darwin bridge js

TODO: UpdateContextMenu()

.gitignore

@@ -22,8 +22,6 @@ v2/test/**/frontend/dist
 v2/test/**/build/
 v2/test/frameless/icon.png
 v2/test/hidden/icon.png
-v2/internal/ffenestri/runtime.c
-v2/internal/runtime/assets/desktop.js
 v2/test/kitchensink/frontend/public/bundle.*
 v2/pkg/parser/testproject/frontend/wails
 v2/test/kitchensink/frontend/public

README.md

@@ -147,7 +147,12 @@ This project was mainly coded to the following albums:
 
 [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fwailsapp%2Fwails.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fwailsapp%2Fwails?ref=badge_large)
 
-## Special Thank You
+## Special Thanks
+
+<p align="center" style="text-align: center">
+   A *huge* thanks to <a href="https://pace.dev"><img src="pace.jpeg"/> Pace</a> for sponsoring the project and helping the efforts to get Wails ported to Apple Silicon!<br/><br/>
+   If you are looking for a Project Management tool that's powerful but quick and easy to use, check them out!<br/><br/>
+</p>
 
 <p align="center" style="text-align: center">
    A special thank you to JetBrains for donating licenses to us!<br/><br/>

runtime/js/.eslintrc

@@ -3,12 +3,12 @@
         "browser": true,
         "es6": true,
         "amd": true,
-        "node": true,
+        "node": true
     },
     "extends": "eslint:recommended",
     "parserOptions": {
         "ecmaVersion": 2016,
-        "sourceType": "module",
+        "sourceType": "module"
     },
     "rules": {
         "indent": [

runtime/js/core/browser.js

@@ -26,7 +26,7 @@ export function OpenURL(url) {
  * Opens the given filename using the system's default file handler
  *
  * @export
- * @param {sting} filename
+ * @param {string} filename
  * @returns
  */
 export function OpenFile(filename) {

runtime/js/core/calls.js

@@ -62,7 +62,7 @@ if (window.crypto) {
 export function Call(bindingName, data, timeout) {
 
 	// Timeout infinite by default
-	if (timeout == null || timeout == undefined) {
+	if (timeout == null) {
 		timeout = 0;
 	}
 

runtime/js/core/ipc.js

@@ -45,7 +45,7 @@ function Invoke(message) {
  *
  * @export
  * @param {string} type
- * @param {string} payload
+ * @param {Object} payload
  * @param {string=} callbackID
  */
 export function SendMessage(type, payload, callbackID) {

v2/cmd/wails/internal/commands/debug/debug.go

@@ -0,0 +1,123 @@
+package debug
+
+import (
+	"fmt"
+	"github.com/wailsapp/wails/v2/internal/shell"
+	"io"
+	"os"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/leaanthony/clir"
+	"github.com/leaanthony/slicer"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/commands/build"
+)
+
+// AddSubcommand adds the `debug` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	outputType := "desktop"
+
+	validTargetTypes := slicer.String([]string{"desktop", "hybrid", "server"})
+
+	command := app.NewSubCommand("debug", "Builds the application then runs delve on the binary")
+
+	// Setup target type flag
+	description := "Type of application to build. Valid types: " + validTargetTypes.Join(",")
+	command.StringFlag("t", description, &outputType)
+
+	compilerCommand := "go"
+	command.StringFlag("compiler", "Use a different go compiler to build, eg go1.15beta1", &compilerCommand)
+
+	quiet := false
+	command.BoolFlag("q", "Suppress output to console", &quiet)
+
+	// ldflags to pass to `go`
+	ldflags := ""
+	command.StringFlag("ldflags", "optional ldflags", &ldflags)
+
+	// Log to file
+	logFile := ""
+	command.StringFlag("l", "Log to file", &logFile)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		logger.Mute(quiet)
+
+		// Validate output type
+		if !validTargetTypes.Contains(outputType) {
+			return fmt.Errorf("output type '%s' is not valid", outputType)
+		}
+
+		if !quiet {
+			app.PrintBanner()
+		}
+
+		task := fmt.Sprintf("Building %s Application", strings.Title(outputType))
+		logger.Println(task)
+		logger.Println(strings.Repeat("-", len(task)))
+
+		// Setup mode
+		mode := build.Debug
+
+		// Create BuildOptions
+		buildOptions := &build.Options{
+			Logger:     logger,
+			OutputType: outputType,
+			Mode:       mode,
+			Pack:       false,
+			Platform:   runtime.GOOS,
+			LDFlags:    ldflags,
+			Compiler:   compilerCommand,
+			KeepAssets: false,
+		}
+
+		outputFilename, err := doDebugBuild(buildOptions)
+		if err != nil {
+			return err
+		}
+
+		// Check delve exists
+		delveExists := shell.CommandExists("dlv")
+		if !delveExists {
+			return fmt.Errorf("cannot launch delve (Is it installed?)")
+		}
+
+		// Get cwd
+		cwd, err := os.Getwd()
+		if err != nil {
+			return err
+		}
+
+		// Launch delve
+		println("Launching Delve on port 2345...")
+		command := shell.CreateCommand(cwd, "dlv", "--listen=:2345", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", outputFilename)
+		return command.Run()
+	})
+
+	return nil
+}
+
+// doDebugBuild is our main build command
+func doDebugBuild(buildOptions *build.Options) (string, error) {
+
+	// Start Time
+	start := time.Now()
+
+	outputFilename, err := build.Build(buildOptions)
+	if err != nil {
+		return "", err
+	}
+
+	// Output stats
+	elapsed := time.Since(start)
+	buildOptions.Logger.Println("")
+	buildOptions.Logger.Println(fmt.Sprintf("Built '%s' in %s.", outputFilename, elapsed.Round(time.Millisecond).String()))
+	buildOptions.Logger.Println("")
+
+	return outputFilename, nil
+}

v2/cmd/wails/internal/commands/dev/dev.go

@@ -10,9 +10,10 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"github.com/fsnotify/fsnotify"
 	"github.com/leaanthony/clir"
-	"github.com/leaanthony/slicer"
 	"github.com/wailsapp/wails/v2/internal/fs"
 	"github.com/wailsapp/wails/v2/internal/process"
 	"github.com/wailsapp/wails/v2/pkg/clilogger"
@@ -24,14 +25,6 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	command := app.NewSubCommand("dev", "Development mode")
 
-	outputType := "desktop"
-
-	validTargetTypes := slicer.String([]string{"desktop", "hybrid", "server"})
-
-	// Setup target type flag
-	description := "Type of application to develop. Valid types: " + validTargetTypes.Join(",")
-	command.StringFlag("t", description, &outputType)
-
 	// Passthrough ldflags
 	ldflags := ""
 	command.StringFlag("ldflags", "optional ldflags", &ldflags)
@@ -42,15 +35,10 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	// extensions to trigger rebuilds
 	extensions := "go"
-	command.StringFlag("m", "Extensions to trigger rebuilds (comma separated) eg go,js,css,html", &extensions)
+	command.StringFlag("e", "Extensions to trigger rebuilds (comma separated) eg go,js,css,html", &extensions)
 
 	command.Action(func() error {
 
-		// Validate inputs
-		if !validTargetTypes.Contains(outputType) {
-			return fmt.Errorf("output type '%s' is not valid", outputType)
-		}
-
 		// Create logger
 		logger := clilogger.New(w)
 		app.PrintBanner()
@@ -64,7 +52,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		defer watcher.Close()
 
 		var debugBinaryProcess *process.Process = nil
-		var buildFrontend bool = true
+		var buildFrontend bool = false
 		var extensionsThatTriggerARebuild = strings.Split(extensions, ",")
 
 		// Setup signal handler
@@ -75,8 +63,10 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 		// Do initial build
 		logger.Println("Building application for development...")
-		debugBinaryProcess = restartApp(logger, outputType, ldflags, compilerCommand, buildFrontend, debugBinaryProcess)
-
+		debugBinaryProcess, err = restartApp(logger, "dev", ldflags, compilerCommand, debugBinaryProcess)
+		if err != nil {
+			return err
+		}
 		go debounce(100*time.Millisecond, watcher.Events, debounceQuit, func(event fsnotify.Event) {
 			// logger.Println("event: %+v", event)
 
@@ -85,7 +75,10 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 				// If this is a folder, add it to our watch list
 				if fs.DirExists(event.Name) {
 					if !strings.Contains(event.Name, "node_modules") {
-						watcher.Add(event.Name)
+						err := watcher.Add(event.Name)
+						if err != nil {
+							logger.Fatal("%s", err.Error())
+						}
 						logger.Println("Watching directory: %s", event.Name)
 					}
 				}
@@ -95,7 +88,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 			// Check for file writes
 			if event.Op&fsnotify.Write == fsnotify.Write {
 
-				// logger.Println("modified file: %s", event.Name)
+				logger.Println("modified file: %s", event.Name)
 				var rebuild bool = false
 
 				// Iterate all file patterns
@@ -116,17 +109,16 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 					return
 				}
 
-				if buildFrontend {
-					logger.Println("Full rebuild triggered: %s updated", event.Name)
-				} else {
-					logger.Println("Partial build triggered: %s updated", event.Name)
-				}
+				logger.Println("Partial build triggered: %s updated", event.Name)
 
 				// Do a rebuild
 
 				// Try and build the app
-				newBinaryProcess := restartApp(logger, outputType, ldflags, compilerCommand, buildFrontend, debugBinaryProcess)
-
+				newBinaryProcess, err := restartApp(logger, "dev", ldflags, compilerCommand, debugBinaryProcess)
+				if err != nil {
+					fmt.Printf("Error during build: %s", err.Error())
+					return
+				}
 				// If we have a new process, save it
 				if newBinaryProcess != nil {
 					debugBinaryProcess = newBinaryProcess
@@ -164,7 +156,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		for quit == false {
 			select {
 			case <-quitChannel:
-				println()
+				println("Caught quit")
 				// Notify debouncer to quit
 				debounceQuit <- true
 				quit = true
@@ -173,7 +165,10 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 		// Kill the current program if running
 		if debugBinaryProcess != nil {
-			debugBinaryProcess.Kill()
+			err := debugBinaryProcess.Kill()
+			if err != nil {
+				return err
+			}
 		}
 
 		logger.Println("Development mode exited")
@@ -203,13 +198,13 @@ exit:
 	}
 }
 
-func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string, buildFrontend bool, debugBinaryProcess *process.Process) *process.Process {
+func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string, debugBinaryProcess *process.Process) (*process.Process, error) {
 
-	appBinary, err := buildApp(logger, outputType, ldflags, compilerCommand, buildFrontend)
+	appBinary, err := buildApp(logger, outputType, ldflags, compilerCommand)
 	println()
 	if err != nil {
-		logger.Println("[ERROR] Build Failed: %s", err.Error())
-		return nil
+		logger.Fatal(err.Error())
+		return nil, errors.Wrap(err, "Build Failed:")
 	}
 	logger.Println("Build new binary: %s", appBinary)
 
@@ -231,14 +226,17 @@ func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string,
 	err = newProcess.Start()
 	if err != nil {
 		// Remove binary
-		fs.DeleteFile(appBinary)
+		deleteError := fs.DeleteFile(appBinary)
+		if deleteError != nil {
+			logger.Fatal("Unable to delete app binary: " + appBinary)
+		}
 		logger.Fatal("Unable to start application: %s", err.Error())
 	}
 
-	return newProcess
+	return newProcess, nil
 }
 
-func buildApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string, buildFrontend bool) (string, error) {
+func buildApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string) (string, error) {
 
 	// Create random output file
 	outputFile := fmt.Sprintf("debug-%d", time.Now().Unix())
@@ -253,7 +251,7 @@ func buildApp(logger *clilogger.CLILogger, outputType string, ldflags string, co
 		LDFlags:        ldflags,
 		Compiler:       compilerCommand,
 		OutputFile:     outputFile,
-		IgnoreFrontend: !buildFrontend,
+		IgnoreFrontend: true,
 	}
 
 	return build.Build(buildOptions)

v2/cmd/wails/internal/commands/update/update.go

@@ -0,0 +1,164 @@
+package update
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+
+	"github.com/wailsapp/wails/v2/internal/shell"
+
+	"github.com/wailsapp/wails/v2/internal/github"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+)
+
+// AddSubcommand adds the `init` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer, currentVersion string) error {
+
+	command := app.NewSubCommand("update", "Update the Wails CLI")
+	command.LongDescription(`This command allows you to update your version of Wails.`)
+
+	// Setup flags
+	var prereleaseRequired bool
+	command.BoolFlag("pre", "Update to latest Prerelease", &prereleaseRequired)
+
+	var specificVersion string
+	command.StringFlag("version", "Install a specific version (Overrides other flags)", &specificVersion)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+
+		// Print banner
+		app.PrintBanner()
+		logger.Println("Checking for updates...")
+
+		var desiredVersion *github.SemanticVersion
+		var err error
+		var valid bool
+
+		if len(specificVersion) > 0 {
+			// Check if this is a valid version
+			valid, err = github.IsValidTag(specificVersion)
+			if err == nil {
+				if !valid {
+					err = fmt.Errorf("version '%s' is invalid", specificVersion)
+				} else {
+					desiredVersion, err = github.NewSemanticVersion(specificVersion)
+				}
+			}
+		} else {
+			if prereleaseRequired {
+				desiredVersion, err = github.GetLatestPreRelease()
+			} else {
+				desiredVersion, err = github.GetLatestStableRelease()
+			}
+		}
+		if err != nil {
+			return err
+		}
+		fmt.Println()
+
+		fmt.Println("    Current Version : " + currentVersion)
+
+		if len(specificVersion) > 0 {
+			fmt.Printf("    Desired Version : v%s\n", desiredVersion)
+		} else {
+			if prereleaseRequired {
+				fmt.Printf("  Latest Prerelease : v%s\n", desiredVersion)
+			} else {
+				fmt.Printf("     Latest Release : v%s\n", desiredVersion)
+			}
+		}
+
+		return updateToVersion(logger, desiredVersion, len(specificVersion) > 0, currentVersion)
+	})
+
+	return nil
+}
+
+func updateToVersion(logger *clilogger.CLILogger, targetVersion *github.SemanticVersion, force bool, currentVersion string) error {
+
+	var targetVersionString = "v" + targetVersion.String()
+
+	// Early exit
+	if targetVersionString == currentVersion {
+		logger.Println("Looks like you're up to date!")
+		return nil
+	}
+
+	var desiredVersion string
+
+	if !force {
+
+		compareVersion := currentVersion
+
+		currentVersion, err := github.NewSemanticVersion(compareVersion)
+		if err != nil {
+			return err
+		}
+
+		var success bool
+
+		// Release -> Pre-Release = Massage current version to prerelease format
+		if targetVersion.IsPreRelease() && currentVersion.IsRelease() {
+			testVersion, err := github.NewSemanticVersion(compareVersion + "-0")
+			if err != nil {
+				return err
+			}
+			success, _ = targetVersion.IsGreaterThan(testVersion)
+		}
+		// Pre-Release -> Release = Massage target version to prerelease format
+		if targetVersion.IsRelease() && currentVersion.IsPreRelease() {
+			// We are ok with greater than or equal
+			mainversion := currentVersion.MainVersion()
+			targetVersion, err = github.NewSemanticVersion(targetVersion.String())
+			if err != nil {
+				return err
+			}
+			success, _ = targetVersion.IsGreaterThanOrEqual(mainversion)
+		}
+
+		// Release -> Release = Standard check
+		if (targetVersion.IsRelease() && currentVersion.IsRelease()) ||
+			(targetVersion.IsPreRelease() && currentVersion.IsPreRelease()) {
+
+			success, _ = targetVersion.IsGreaterThan(currentVersion)
+		}
+
+		// Compare
+		if !success {
+			logger.Println("Error: The requested version is lower than the current version.")
+			logger.Println("If this is what you really want to do, use `wails update -version %s`", targetVersionString)
+			return nil
+		}
+
+		desiredVersion = "v" + targetVersion.String()
+
+	} else {
+		desiredVersion = "v" + targetVersion.String()
+	}
+
+	fmt.Println()
+	logger.Print("Installing Wails " + desiredVersion + "...")
+
+	// Run command in non module directory
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		log.Fatal("Cannot find home directory! Please file a bug report!")
+	}
+
+	sout, serr, err := shell.RunCommand(homeDir, "go", "get", "github.com/wailsapp/wails/v2/cmd/wails@"+desiredVersion)
+	if err != nil {
+		logger.Println("Failed.")
+		logger.Println(sout + `\n` + serr)
+		return err
+	}
+	fmt.Println()
+	logger.Println("Wails updated to " + desiredVersion)
+
+	return nil
+}

v2/cmd/wails/main.go

@@ -3,8 +3,11 @@ package main
 import (
 	"os"
 
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/update"
+
 	"github.com/leaanthony/clir"
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/build"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/debug"
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/dev"
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/doctor"
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/generate"
@@ -19,7 +22,6 @@ func fatal(message string) {
 func main() {
 
 	var err error
-	version := "v2.0.0-alpha"
 
 	app := clir.NewCli("Wails", "Go/HTML Application Framework", version)
 
@@ -28,6 +30,11 @@ func main() {
 	if err != nil {
 		fatal(err.Error())
 	}
+
+	err = debug.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
 	err = doctor.AddSubcommand(app, os.Stdout)
 	if err != nil {
 		fatal(err.Error())
@@ -43,6 +50,11 @@ func main() {
 		fatal(err.Error())
 	}
 
+	err = update.AddSubcommand(app, os.Stdout, version)
+	if err != nil {
+		fatal(err.Error())
+	}
+
 	err = app.Run()
 	if err != nil {
 		println("\n\nERROR: " + err.Error())

v2/cmd/wails/version.go

@@ -0,0 +1,3 @@
+package main
+
+var version = "v2.0.0-alpha.21"

v2/go.mod

@@ -1,11 +1,13 @@
 module github.com/wailsapp/wails/v2
 
-go 1.13
+go 1.15
 
 require (
+	github.com/Masterminds/semver v1.5.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/fatih/structtag v1.2.0
 	github.com/fsnotify/fsnotify v1.4.9
+	github.com/gorilla/websocket v1.4.1
 	github.com/imdario/mergo v0.3.11
 	github.com/jackmordaunt/icns v1.0.0
 	github.com/leaanthony/clir v1.0.4

v2/go.sum

@@ -1,3 +1,5 @@
+github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
+github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

v2/internal/app/debug.go

@@ -2,11 +2,39 @@
 
 package app
 
+import (
+	"flag"
+	"github.com/wailsapp/wails/v2/pkg/logger"
+	"strings"
+)
+
 // Init initialises the application for a debug environment
 func (a *App) Init() error {
 	// Indicate debug mode
 	a.debug = true
-	// Enable dev tools
-	a.options.DevTools = true
+
+	if a.appType == "desktop" {
+		// Enable dev tools
+		a.options.DevTools = true
+	}
+
+	// Set log levels
+	greeting := flag.String("loglevel", "debug", "Loglevel to use - Trace, Debug, Info, Warning, Error")
+	flag.Parse()
+	if len(*greeting) > 0 {
+		switch strings.ToLower(*greeting) {
+		case "trace":
+			a.logger.SetLogLevel(logger.TRACE)
+		case "info":
+			a.logger.SetLogLevel(logger.INFO)
+		case "warning":
+			a.logger.SetLogLevel(logger.WARNING)
+		case "error":
+			a.logger.SetLogLevel(logger.ERROR)
+		default:
+			a.logger.SetLogLevel(logger.DEBUG)
+		}
+	}
+
 	return nil
 }

v2/internal/app/default.go

@@ -1,4 +1,4 @@
-// +build !desktop,!hybrid,!server
+// +build !desktop,!hybrid,!server,!dev
 
 package app
 
@@ -10,6 +10,8 @@ package app
 import (
 	"os"
 
+	"github.com/wailsapp/wails/v2/internal/logger"
+
 	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
@@ -22,6 +24,8 @@ type App struct {
 
 	// Indicates if the app is running in debug mode
 	debug bool
+
+	logger *logger.Logger
 }
 
 // CreateApp returns a null application
@@ -35,7 +39,3 @@ func (a *App) Run() error {
 	os.Exit(1)
 	return nil
 }
-
-// Bind the dummy interface
-func (a *App) Bind(_ interface{}) {
-}

v2/internal/app/desktop.go

@@ -3,9 +3,13 @@
 package app
 
 import (
+	"context"
+	"sync"
+
 	"github.com/wailsapp/wails/v2/internal/binding"
 	"github.com/wailsapp/wails/v2/internal/ffenestri"
 	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/menumanager"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
 	"github.com/wailsapp/wails/v2/internal/runtime"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
@@ -16,6 +20,8 @@ import (
 
 // App defines a Wails application structure
 type App struct {
+	appType string
+
 	window     *ffenestri.Application
 	servicebus *servicebus.ServiceBus
 	logger     *logger.Logger
@@ -23,15 +29,15 @@ type App struct {
 	options    *options.App
 
 	// Subsystems
-	log          *subsystem.Log
-	runtime      *subsystem.Runtime
-	event        *subsystem.Event
-	binding      *subsystem.Binding
-	call         *subsystem.Call
-	menu         *subsystem.Menu
-	tray         *subsystem.Tray
-	contextmenus *subsystem.ContextMenus
-	dispatcher   *messagedispatcher.Dispatcher
+	log     *subsystem.Log
+	runtime *subsystem.Runtime
+	event   *subsystem.Event
+	//binding    *subsystem.Binding
+	call       *subsystem.Call
+	menu       *subsystem.Menu
+	dispatcher *messagedispatcher.Dispatcher
+
+	menuManager *menumanager.Manager
 
 	// Indicates if the app is in debug mode
 	debug bool
@@ -42,6 +48,10 @@ type App struct {
 	// Application Stores
 	loglevelStore  *runtime.Store
 	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
 }
 
 // Create App
@@ -54,13 +64,38 @@ func CreateApp(appoptions *options.App) (*App, error) {
 	myLogger := logger.New(appoptions.Logger)
 	myLogger.SetLogLevel(appoptions.LogLevel)
 
-	window := ffenestri.NewApplicationWithConfig(appoptions, myLogger)
+	// Create the menu manager
+	menuManager := menumanager.NewManager()
+
+	// Process the application menu
+	menuManager.SetApplicationMenu(options.GetApplicationMenu(appoptions))
+
+	// Process context menus
+	contextMenus := options.GetContextMenus(appoptions)
+	for _, contextMenu := range contextMenus {
+		menuManager.AddContextMenu(contextMenu)
+	}
+
+	// Process tray menus
+	trayMenus := options.GetTrayMenus(appoptions)
+	for _, trayMenu := range trayMenus {
+		menuManager.AddTrayMenu(trayMenu)
+	}
+
+	window := ffenestri.NewApplicationWithConfig(appoptions, myLogger, menuManager)
+
+	// Create binding exemptions - Ugly hack. There must be a better way
+	bindingExemptions := []interface{}{appoptions.Startup, appoptions.Shutdown}
 
 	result := &App{
-		window:     window,
-		servicebus: servicebus.New(myLogger),
-		logger:     myLogger,
-		bindings:   binding.NewBindings(myLogger),
+		appType:          "desktop",
+		window:           window,
+		servicebus:       servicebus.New(myLogger),
+		logger:           myLogger,
+		bindings:         binding.NewBindings(myLogger, appoptions.Bind, bindingExemptions),
+		menuManager:      menuManager,
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
 	}
 
 	result.options = appoptions
@@ -77,8 +112,13 @@ func (a *App) Run() error {
 
 	var err error
 
+	// Setup a context
+	var subsystemWaitGroup sync.WaitGroup
+	parentContext := context.WithValue(context.Background(), "waitgroup", &subsystemWaitGroup)
+	ctx, cancel := context.WithCancel(parentContext)
+
 	// Setup signal handler
-	signalsubsystem, err := signal.NewManager(a.servicebus, a.logger)
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger, a.shutdownCallback)
 	if err != nil {
 		return err
 	}
@@ -92,12 +132,7 @@ func (a *App) Run() error {
 		return err
 	}
 
-	// Start the runtime
-	applicationMenu := options.GetApplicationMenu(a.options)
-	trayMenu := options.GetTray(a.options)
-	contextMenus := options.GetContextMenus(a.options)
-
-	runtimesubsystem, err := subsystem.NewRuntime(a.servicebus, a.logger, applicationMenu, trayMenu, contextMenus)
+	runtimesubsystem, err := subsystem.NewRuntime(ctx, a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
 	if err != nil {
 		return err
 	}
@@ -111,17 +146,6 @@ func (a *App) Run() error {
 	a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
 	a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
 
-	// Start the binding subsystem
-	bindingsubsystem, err := subsystem.NewBinding(a.servicebus, a.logger, a.bindings, a.runtime.GoRuntime())
-	if err != nil {
-		return err
-	}
-	a.binding = bindingsubsystem
-	err = a.binding.Start()
-	if err != nil {
-		return err
-	}
-
 	// Start the logging subsystem
 	log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
 	if err != nil {
@@ -145,61 +169,33 @@ func (a *App) Run() error {
 	}
 
 	// Start the eventing subsystem
-	event, err := subsystem.NewEvent(a.servicebus, a.logger)
+	eventsubsystem, err := subsystem.NewEvent(ctx, a.servicebus, a.logger)
 	if err != nil {
 		return err
 	}
-	a.event = event
+	a.event = eventsubsystem
 	err = a.event.Start()
 	if err != nil {
 		return err
 	}
 
-	// Optionally start the menu subsystem
-	if applicationMenu != nil {
-		menusubsystem, err := subsystem.NewMenu(applicationMenu, a.servicebus, a.logger)
-		if err != nil {
-			return err
-		}
-		a.menu = menusubsystem
-		err = a.menu.Start()
-		if err != nil {
-			return err
-		}
-	}
-
-	// Optionally start the tray subsystem
-	if trayMenu != nil {
-		traysubsystem, err := subsystem.NewTray(trayMenu, a.servicebus, a.logger)
-		if err != nil {
-			return err
-		}
-		a.tray = traysubsystem
-		err = a.tray.Start()
-		if err != nil {
-			return err
-		}
-	}
-
-	// Optionally start the context menu subsystem
-	if contextMenus != nil {
-		contextmenussubsystem, err := subsystem.NewContextMenus(contextMenus, a.servicebus, a.logger)
-		if err != nil {
-			return err
-		}
-		a.contextmenus = contextmenussubsystem
-		err = a.contextmenus.Start()
-		if err != nil {
-			return err
-		}
-	}
-
-	// Start the call subsystem
-	call, err := subsystem.NewCall(a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+	// Start the menu subsystem
+	menusubsystem, err := subsystem.NewMenu(ctx, a.servicebus, a.logger, a.menuManager)
 	if err != nil {
 		return err
 	}
-	a.call = call
+	a.menu = menusubsystem
+	err = a.menu.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the call subsystem
+	callSubsystem, err := subsystem.NewCall(ctx, a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+	if err != nil {
+		return err
+	}
+	a.call = callSubsystem
 	err = a.call.Start()
 	if err != nil {
 		return err
@@ -211,23 +207,29 @@ func (a *App) Run() error {
 		return err
 	}
 
-	result := a.window.Run(dispatcher, bindingDump, a.debug)
+	err = a.window.Run(dispatcher, bindingDump, a.debug)
 	a.logger.Trace("Ffenestri.Run() exited")
+	if err != nil {
+		return err
+	}
+
+	// Close down all the subsystems
+	a.logger.Trace("Cancelling subsystems")
+	cancel()
+	subsystemWaitGroup.Wait()
+
+	a.logger.Trace("Cancelling dispatcher")
+	dispatcher.Close()
+
+	// Close log
+	a.logger.Trace("Stopping log")
+	log.Close()
+
+	a.logger.Trace("Stopping Service bus")
 	err = a.servicebus.Stop()
 	if err != nil {
 		return err
 	}
 
-	return result
-}
-
-// Bind a struct to the application by passing in
-// a pointer to it
-func (a *App) Bind(structPtr interface{}) {
-
-	// Add the struct to the bindings
-	err := a.bindings.Add(structPtr)
-	if err != nil {
-		a.logger.Fatal("Error during binding: " + err.Error())
-	}
+	return nil
 }

v2/internal/app/dev.go

@@ -0,0 +1,237 @@
+// +build dev
+
+package app
+
+import (
+	"context"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/bridge"
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
+	"github.com/wailsapp/wails/v2/pkg/options"
+
+	"github.com/wailsapp/wails/v2/internal/binding"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/runtime"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/internal/signal"
+	"github.com/wailsapp/wails/v2/internal/subsystem"
+)
+
+// App defines a Wails application structure
+type App struct {
+	appType string
+
+	servicebus *servicebus.ServiceBus
+	logger     *logger.Logger
+	signal     *signal.Manager
+	options    *options.App
+
+	// Subsystems
+	log     *subsystem.Log
+	runtime *subsystem.Runtime
+	event   *subsystem.Event
+	//binding    *subsystem.Binding
+	call       *subsystem.Call
+	menu       *subsystem.Menu
+	dispatcher *messagedispatcher.Dispatcher
+
+	menuManager *menumanager.Manager
+
+	// Indicates if the app is in debug mode
+	debug bool
+
+	// This is our binding DB
+	bindings *binding.Bindings
+
+	// Application Stores
+	loglevelStore  *runtime.Store
+	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+
+	// Bridge
+	bridge *bridge.Bridge
+}
+
+// Create App
+func CreateApp(appoptions *options.App) (*App, error) {
+
+	// Merge default options
+	options.MergeDefaults(appoptions)
+
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
+
+	// Create the menu manager
+	menuManager := menumanager.NewManager()
+
+	// Process the application menu
+	menuManager.SetApplicationMenu(options.GetApplicationMenu(appoptions))
+
+	// Process context menus
+	contextMenus := options.GetContextMenus(appoptions)
+	for _, contextMenu := range contextMenus {
+		menuManager.AddContextMenu(contextMenu)
+	}
+
+	// Process tray menus
+	trayMenus := options.GetTrayMenus(appoptions)
+	for _, trayMenu := range trayMenus {
+		menuManager.AddTrayMenu(trayMenu)
+	}
+
+	// Create binding exemptions - Ugly hack. There must be a better way
+	bindingExemptions := []interface{}{appoptions.Startup, appoptions.Shutdown}
+
+	result := &App{
+		appType:          "dev",
+		bindings:         binding.NewBindings(myLogger, appoptions.Bind, bindingExemptions),
+		logger:           myLogger,
+		servicebus:       servicebus.New(myLogger),
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
+		bridge:           bridge.NewBridge(myLogger),
+	}
+
+	result.options = appoptions
+
+	// Initialise the app
+	err := result.Init()
+
+	return result, err
+
+}
+
+// Run the application
+func (a *App) Run() error {
+
+	var err error
+
+	// Setup a context
+	var subsystemWaitGroup sync.WaitGroup
+	parentContext := context.WithValue(context.Background(), "waitgroup", &subsystemWaitGroup)
+	ctx, cancel := context.WithCancel(parentContext)
+
+	// Setup signal handler
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.signal = signalsubsystem
+	a.signal.Start()
+
+	// Start the service bus
+	a.servicebus.Debug()
+	err = a.servicebus.Start()
+	if err != nil {
+		return err
+	}
+
+	runtimesubsystem, err := subsystem.NewRuntime(ctx, a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.runtime = runtimesubsystem
+	err = a.runtime.Start()
+	if err != nil {
+		return err
+	}
+
+	// Application Stores
+	a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
+	a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
+
+	// Start the logging subsystem
+	log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
+	if err != nil {
+		return err
+	}
+	a.log = log
+	err = a.log.Start()
+	if err != nil {
+		return err
+	}
+
+	// create the dispatcher
+	dispatcher, err := messagedispatcher.New(a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.dispatcher = dispatcher
+	err = dispatcher.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the eventing subsystem
+	eventsubsystem, err := subsystem.NewEvent(ctx, a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.event = eventsubsystem
+	err = a.event.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the menu subsystem
+	menusubsystem, err := subsystem.NewMenu(ctx, a.servicebus, a.logger, a.menuManager)
+	if err != nil {
+		return err
+	}
+	a.menu = menusubsystem
+	err = a.menu.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the call subsystem
+	callSubsystem, err := subsystem.NewCall(ctx, a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+	if err != nil {
+		return err
+	}
+	a.call = callSubsystem
+	err = a.call.Start()
+	if err != nil {
+		return err
+	}
+
+	// Dump bindings as a debug
+	bindingDump, err := a.bindings.ToJSON()
+	if err != nil {
+		return err
+	}
+
+	err = a.bridge.Run(dispatcher, bindingDump, a.debug)
+	a.logger.Trace("Bridge.Run() exited")
+	if err != nil {
+		return err
+	}
+
+	// Close down all the subsystems
+	a.logger.Trace("Cancelling subsystems")
+	cancel()
+	subsystemWaitGroup.Wait()
+
+	a.logger.Trace("Cancelling dispatcher")
+	dispatcher.Close()
+
+	// Close log
+	a.logger.Trace("Stopping log")
+	log.Close()
+
+	a.logger.Trace("Stopping Service bus")
+	err = a.servicebus.Stop()
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}

v2/internal/app/hybrid.go

@@ -75,7 +75,7 @@ func CreateApp(options *Options) *App {
 		webserver:  webserver.NewWebServer(myLogger),
 		servicebus: servicebus.New(myLogger),
 		logger:     myLogger,
-		bindings:   binding.NewBindings(myLogger),
+		bindings:   binding.NewBindings(myLogger, options.Bind),
 	}
 
 	// Initialise the app
@@ -192,14 +192,3 @@ func (a *App) Run() error {
 
 	return cli.Run()
 }
-
-// Bind a struct to the application by passing in
-// a pointer to it
-func (a *App) Bind(structPtr interface{}) {
-
-	// Add the struct to the bindings
-	err := a.bindings.Add(structPtr)
-	if err != nil {
-		a.logger.Fatal("Error during binding: " + err.Error())
-	}
-}

v2/internal/app/server.go

@@ -6,10 +6,13 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/wailsapp/wails/v2/pkg/options"
+
 	"github.com/leaanthony/clir"
 	"github.com/wailsapp/wails/v2/internal/binding"
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/runtime"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
 	"github.com/wailsapp/wails/v2/internal/subsystem"
 	"github.com/wailsapp/wails/v2/internal/webserver"
@@ -17,12 +20,16 @@ import (
 
 // App defines a Wails application structure
 type App struct {
+	appType string
+
 	binding *subsystem.Binding
 	call    *subsystem.Call
 	event   *subsystem.Event
 	log     *subsystem.Log
 	runtime *subsystem.Runtime
 
+	options *options.App
+
 	bindings   *binding.Bindings
 	logger     *logger.Logger
 	dispatcher *messagedispatcher.Dispatcher
@@ -30,28 +37,40 @@ type App struct {
 	webserver  *webserver.WebServer
 
 	debug bool
+
+	// Application Stores
+	loglevelStore  *runtime.Store
+	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
 }
 
 // Create App
-func CreateApp(options *Options) *App {
-	options.mergeDefaults()
-	// We ignore the inputs (for now)
+func CreateApp(appoptions *options.App) (*App, error) {
 
-	// TODO: Allow logger output override on CLI
-	myLogger := logger.New(os.Stdout)
-	myLogger.SetLogLevel(logger.TRACE)
+	// Merge default options
+	options.MergeDefaults(appoptions)
+
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
 
 	result := &App{
-		bindings:   binding.NewBindings(myLogger),
-		logger:     myLogger,
-		servicebus: servicebus.New(myLogger),
-		webserver:  webserver.NewWebServer(myLogger),
+		appType:          "server",
+		bindings:         binding.NewBindings(myLogger, options.Bind),
+		logger:           myLogger,
+		servicebus:       servicebus.New(myLogger),
+		webserver:        webserver.NewWebServer(myLogger),
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
 	}
 
 	// Initialise app
 	result.Init()
 
-	return result
+	return result, nil
 }
 
 // Run the application
@@ -88,8 +107,21 @@ func (a *App) Run() error {
 		if debugMode {
 			a.servicebus.Debug()
 		}
+
+		// Start the runtime
+		runtime, err := subsystem.NewRuntime(a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
+		if err != nil {
+			return err
+		}
+		a.runtime = runtime
+		a.runtime.Start()
+
+		// Application Stores
+		a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
+		a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
+
 		a.servicebus.Start()
-		log, err := subsystem.NewLog(a.servicebus, a.logger)
+		log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
 		if err != nil {
 			return err
 		}
@@ -102,14 +134,6 @@ func (a *App) Run() error {
 		a.dispatcher = dispatcher
 		a.dispatcher.Start()
 
-		// Start the runtime
-		runtime, err := subsystem.NewRuntime(a.servicebus, a.logger)
-		if err != nil {
-			return err
-		}
-		a.runtime = runtime
-		a.runtime.Start()
-
 		// Start the binding subsystem
 		binding, err := subsystem.NewBinding(a.servicebus, a.logger, a.bindings, runtime.GoRuntime())
 		if err != nil {
@@ -127,7 +151,7 @@ func (a *App) Run() error {
 		a.event.Start()
 
 		// Start the call subsystem
-		call, err := subsystem.NewCall(a.servicebus, a.logger, a.bindings.DB())
+		call, err := subsystem.NewCall(a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
 		if err != nil {
 			return err
 		}
@@ -147,14 +171,3 @@ func (a *App) Run() error {
 
 	return cli.Run()
 }
-
-// Bind a struct to the application by passing in
-// a pointer to it
-func (a *App) Bind(structPtr interface{}) {
-
-	// Add the struct to the bindings
-	err := a.bindings.Add(structPtr)
-	if err != nil {
-		a.logger.Fatal("Error during binding: " + err.Error())
-	}
-}

v2/internal/binding/binding.go

@@ -2,28 +2,53 @@ package binding
 
 import (
 	"fmt"
+	"reflect"
+	"runtime"
 	"strings"
 
+	"github.com/leaanthony/slicer"
+
 	"github.com/wailsapp/wails/v2/internal/logger"
 )
 
 type Bindings struct {
-	db     *DB
-	logger logger.CustomLogger
+	db         *DB
+	logger     logger.CustomLogger
+	exemptions slicer.StringSlicer
 }
 
 // NewBindings returns a new Bindings object
-func NewBindings(logger *logger.Logger) *Bindings {
-	return &Bindings{
+func NewBindings(logger *logger.Logger, structPointersToBind []interface{}, exemptions []interface{}) *Bindings {
+	result := &Bindings{
 		db:     newDB(),
 		logger: logger.CustomLogger("Bindings"),
 	}
+
+	for _, exemption := range exemptions {
+		if exemptions == nil {
+			continue
+		}
+		name := runtime.FuncForPC(reflect.ValueOf(exemption).Pointer()).Name()
+		// Yuk yuk yuk! Is there a better way?
+		name = strings.TrimSuffix(name, "-fm")
+		result.exemptions.Add(name)
+	}
+
+	// Add the structs to bind
+	for _, ptr := range structPointersToBind {
+		err := result.Add(ptr)
+		if err != nil {
+			logger.Fatal("Error during binding: " + err.Error())
+		}
+	}
+
+	return result
 }
 
 // Add the given struct methods to the Bindings
 func (b *Bindings) Add(structPtr interface{}) error {
 
-	methods, err := getMethods(structPtr)
+	methods, err := b.getMethods(structPtr)
 	if err != nil {
 		return fmt.Errorf("cannot bind value to app: %s", err.Error())
 	}
@@ -34,29 +59,8 @@ func (b *Bindings) Add(structPtr interface{}) error {
 		structName := splitName[1]
 		methodName := splitName[2]
 
-		// Is this WailsInit?
-		if method.IsWailsInit() {
-			err := b.db.AddWailsInit(method)
-			if err != nil {
-				return err
-			}
-			b.logger.Trace("Registered WailsInit method: %s", method.Name)
-			continue
-		}
-
-		// Is this WailsShutdown?
-		if method.IsWailsShutdown() {
-			err := b.db.AddWailsShutdown(method)
-			if err != nil {
-				return err
-			}
-			b.logger.Trace("Registered WailsShutdown method: %s", method.Name)
-			continue
-		}
-
 		// Add it as a regular method
 		b.db.AddMethod(packageName, structName, methodName, method)
-
 	}
 	return nil
 }

v2/internal/binding/boundMethod.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
-	"strings"
 )
 
 // BoundMethod defines all the data related to a Go method that is
@@ -17,58 +16,6 @@ type BoundMethod struct {
 	Method   reflect.Value `json:"-"`
 }
 
-// IsWailsInit returns true if the method name is "WailsInit"
-func (b *BoundMethod) IsWailsInit() bool {
-	return strings.HasSuffix(b.Name, "WailsInit")
-}
-
-// IsWailsShutdown returns true if the method name is "WailsShutdown"
-func (b *BoundMethod) IsWailsShutdown() bool {
-	return strings.HasSuffix(b.Name, "WailsShutdown")
-}
-
-// VerifyWailsInit checks if the WailsInit signature is correct
-func (b *BoundMethod) VerifyWailsInit() error {
-	// Must only have 1 input
-	if b.InputCount() != 1 {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Check input type
-	if !b.Inputs[0].IsType("*runtime.Runtime") {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Must only have 1 output
-	if b.OutputCount() != 1 {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Check output type
-	if !b.Outputs[0].IsError() {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Input must be of type Runtime
-	return nil
-}
-
-// VerifyWailsShutdown checks if the WailsShutdown signature is correct
-func (b *BoundMethod) VerifyWailsShutdown() error {
-	// Must have no inputs
-	if b.InputCount() != 0 {
-		return fmt.Errorf("invalid method signature for WailsShutdown: expected `WailsShutdown()`")
-	}
-
-	// Must have no outputs
-	if b.OutputCount() != 0 {
-		return fmt.Errorf("invalid method signature for WailsShutdown: expected `WailsShutdown()`")
-	}
-
-	// Input must be of type Runtime
-	return nil
-}
-
 // InputCount returns the number of inputs this bound method has
 func (b *BoundMethod) InputCount() int {
 	return len(b.Inputs)
@@ -83,6 +30,9 @@ func (b *BoundMethod) OutputCount() int {
 func (b *BoundMethod) ParseArgs(args []json.RawMessage) ([]interface{}, error) {
 
 	result := make([]interface{}, b.InputCount())
+	if len(args) != b.InputCount() {
+		return nil, fmt.Errorf("received %d arguments to method '%s', expected %d", len(args), b.Name, b.InputCount())
+	}
 	for index, arg := range args {
 		typ := b.Inputs[index].reflectType
 		inputValue := reflect.New(typ).Interface()

v2/internal/binding/db.go

@@ -15,10 +15,6 @@ type DB struct {
 	// It used for performance gains at runtime
 	methodMap map[string]*BoundMethod
 
-	// These are slices of methods registered using WailsInit and WailsShutdown
-	wailsInitMethods     []*BoundMethod
-	wailsShutdownMethods []*BoundMethod
-
 	// Lock to ensure sync access to the data
 	lock sync.RWMutex
 }
@@ -94,38 +90,6 @@ func (d *DB) AddMethod(packageName string, structName string, methodName string,
 
 }
 
-// AddWailsInit checks the given method is a WailsInit method and if it
-// is, adds it to the list of WailsInit methods
-func (d *DB) AddWailsInit(method *BoundMethod) error {
-	err := method.VerifyWailsInit()
-	if err != nil {
-		return err
-	}
-
-	// Lock the db whilst processing and unlock on return
-	d.lock.Lock()
-	defer d.lock.Unlock()
-
-	d.wailsInitMethods = append(d.wailsInitMethods, method)
-	return nil
-}
-
-// AddWailsShutdown checks the given method is a WailsInit method and if it
-// is, adds it to the list of WailsShutdown methods
-func (d *DB) AddWailsShutdown(method *BoundMethod) error {
-	err := method.VerifyWailsShutdown()
-	if err != nil {
-		return err
-	}
-
-	// Lock the db whilst processing and unlock on return
-	d.lock.Lock()
-	defer d.lock.Unlock()
-
-	d.wailsShutdownMethods = append(d.wailsShutdownMethods, method)
-	return nil
-}
-
 // ToJSON converts the method map to JSON
 func (d *DB) ToJSON() (string, error) {
 
@@ -138,13 +102,3 @@ func (d *DB) ToJSON() (string, error) {
 	// Return zero copy string as this string will be read only
 	return *(*string)(unsafe.Pointer(&bytes)), err
 }
-
-// WailsInitMethods returns the list of registered WailsInit methods
-func (d *DB) WailsInitMethods() []*BoundMethod {
-	return d.wailsInitMethods
-}
-
-// WailsShutdownMethods returns the list of registered WailsInit methods
-func (d *DB) WailsShutdownMethods() []*BoundMethod {
-	return d.wailsShutdownMethods
-}

v2/internal/binding/reflect.go

@@ -23,7 +23,7 @@ func isStruct(value interface{}) bool {
 	return reflect.ValueOf(value).Kind() == reflect.Struct
 }
 
-func getMethods(value interface{}) ([]*BoundMethod, error) {
+func (b *Bindings) getMethods(value interface{}) ([]*BoundMethod, error) {
 
 	// Create result placeholder
 	var result []*BoundMethod
@@ -56,6 +56,11 @@ func getMethods(value interface{}) ([]*BoundMethod, error) {
 		fullMethodName := baseName + "." + methodName
 		method := structValue.MethodByName(methodName)
 
+		methodReflectName := runtime.FuncForPC(methodDef.Func.Pointer()).Name()
+		if b.exemptions.Contains(methodReflectName) {
+			continue
+		}
+
 		// Create new method
 		boundMethod := &BoundMethod{
 			Name:     fullMethodName,

v2/internal/bridge/bridge.go

@@ -0,0 +1,99 @@
+package bridge
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+
+	"github.com/gorilla/websocket"
+	"github.com/wailsapp/wails/v2/internal/logger"
+)
+
+type Bridge struct {
+	upgrader websocket.Upgrader
+	server   *http.Server
+	myLogger *logger.Logger
+
+	bindings   string
+	dispatcher *messagedispatcher.Dispatcher
+
+	mu       sync.Mutex
+	sessions map[string]*session
+
+	ctx    context.Context
+	cancel context.CancelFunc
+}
+
+func NewBridge(myLogger *logger.Logger) *Bridge {
+	result := &Bridge{
+		myLogger: myLogger,
+		upgrader: websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }},
+		sessions: make(map[string]*session),
+	}
+
+	myLogger.SetLogLevel(1)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	result.ctx = ctx
+	result.cancel = cancel
+	result.server = &http.Server{Addr: ":34115"}
+	http.HandleFunc("/bridge", result.wsBridgeHandler)
+	return result
+}
+
+func (b *Bridge) Run(dispatcher *messagedispatcher.Dispatcher, bindings string, debug bool) error {
+
+	// Ensure we cancel the context when we shutdown
+	defer b.cancel()
+
+	b.bindings = bindings
+	b.dispatcher = dispatcher
+
+	b.myLogger.Info("Bridge mode started.")
+
+	err := b.server.ListenAndServe()
+	if err != nil && err != http.ErrServerClosed {
+		return err
+	}
+
+	return nil
+}
+
+func (b *Bridge) wsBridgeHandler(w http.ResponseWriter, r *http.Request) {
+	c, err := b.upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Print("upgrade:", err)
+		return
+	}
+
+	if err != nil {
+		http.Error(w, "Could not open websocket connection", http.StatusBadRequest)
+	}
+	b.myLogger.Info("Connection from frontend accepted [%s].", c.RemoteAddr().String())
+	b.startSession(c)
+
+}
+
+func (b *Bridge) startSession(conn *websocket.Conn) {
+
+	// Create a new session for this connection
+	s := newSession(conn, b.bindings, b.dispatcher, b.myLogger, b.ctx)
+
+	// Setup the close handler
+	conn.SetCloseHandler(func(int, string) error {
+		b.myLogger.Info("Connection dropped [%s].", s.Identifier())
+
+		b.mu.Lock()
+		delete(b.sessions, s.Identifier())
+		b.mu.Unlock()
+		return nil
+	})
+
+	b.mu.Lock()
+	go s.start(len(b.sessions) == 0)
+	b.sessions[s.Identifier()] = s
+	b.mu.Unlock()
+}

v2/internal/bridge/client.go

@@ -0,0 +1,121 @@
+package bridge
+
+import (
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
+)
+
+type BridgeClient struct {
+	session *session
+}
+
+func (b BridgeClient) Quit() {
+	b.session.log.Info("Quit unsupported in Bridge mode")
+}
+
+func (b BridgeClient) NotifyEvent(message string) {
+	//b.session.sendMessage("n" + message)
+	b.session.log.Info("NotifyEvent: %s", message)
+	b.session.log.Info("NotifyEvent unsupported in Bridge mode")
+}
+
+func (b BridgeClient) CallResult(message string) {
+	b.session.sendMessage("c" + message)
+}
+
+func (b BridgeClient) OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string) {
+	b.session.log.Info("OpenDialog unsupported in Bridge mode")
+}
+
+func (b BridgeClient) SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string) {
+	b.session.log.Info("SaveDialog unsupported in Bridge mode")
+}
+
+func (b BridgeClient) MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string) {
+	b.session.log.Info("MessageDialog unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowSetTitle(title string) {
+	b.session.log.Info("WindowSetTitle unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowShow() {
+	b.session.log.Info("WindowShow unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowHide() {
+	b.session.log.Info("WindowHide unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowCenter() {
+	b.session.log.Info("WindowCenter unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowMaximise() {
+	b.session.log.Info("WindowMaximise unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowUnmaximise() {
+	b.session.log.Info("WindowUnmaximise unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowMinimise() {
+	b.session.log.Info("WindowMinimise unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowUnminimise() {
+	b.session.log.Info("WindowUnminimise unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowPosition(x int, y int) {
+	b.session.log.Info("WindowPosition unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowSize(width int, height int) {
+	b.session.log.Info("WindowSize unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowSetMinSize(width int, height int) {
+	b.session.log.Info("WindowSetMinSize unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowSetMaxSize(width int, height int) {
+	b.session.log.Info("WindowSetMaxSize unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowFullscreen() {
+	b.session.log.Info("WindowFullscreen unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowUnFullscreen() {
+	b.session.log.Info("WindowUnFullscreen unsupported in Bridge mode")
+}
+
+func (b BridgeClient) WindowSetColour(colour int) {
+	b.session.log.Info("WindowSetColour unsupported in Bridge mode")
+}
+
+func (b BridgeClient) DarkModeEnabled(callbackID string) {
+	b.session.log.Info("DarkModeEnabled unsupported in Bridge mode")
+}
+
+func (b BridgeClient) SetApplicationMenu(menuJSON string) {
+	b.session.log.Info("SetApplicationMenu unsupported in Bridge mode")
+}
+
+func (b BridgeClient) SetTrayMenu(trayMenuJSON string) {
+	b.session.log.Info("SetTrayMenu unsupported in Bridge mode")
+}
+
+func (b BridgeClient) UpdateTrayMenuLabel(JSON string) {
+	b.session.log.Info("UpdateTrayMenuLabel unsupported in Bridge mode")
+}
+
+func (b BridgeClient) UpdateContextMenu(contextMenuJSON string) {
+	b.session.log.Info("UpdateContextMenu unsupported in Bridge mode")
+}
+
+func newBridgeClient(session *session) *BridgeClient {
+	return &BridgeClient{
+		session: session,
+	}
+}

v2/internal/bridge/session.go

@@ -0,0 +1,145 @@
+package bridge
+
+import (
+	"context"
+	_ "embed"
+	"log"
+	"runtime"
+	"time"
+
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+
+	"github.com/gorilla/websocket"
+	"github.com/wailsapp/wails/v2/internal/logger"
+)
+
+//go:embed darwin.js
+var darwinRuntime string
+
+// session represents a single websocket session
+type session struct {
+	bindings string
+	conn     *websocket.Conn
+	//eventManager interfaces.EventManager
+	log *logger.Logger
+	//ipc          interfaces.IPCManager
+
+	// Mutex for writing to the socket
+	shutdown  chan bool
+	writeChan chan []byte
+
+	done bool
+
+	// context
+	ctx context.Context
+
+	// client
+	client *messagedispatcher.DispatchClient
+}
+
+func newSession(conn *websocket.Conn, bindings string, dispatcher *messagedispatcher.Dispatcher, logger *logger.Logger, ctx context.Context) *session {
+	result := &session{
+		conn:      conn,
+		bindings:  bindings,
+		log:       logger,
+		shutdown:  make(chan bool),
+		writeChan: make(chan []byte, 100),
+		ctx:       ctx,
+	}
+
+	result.client = dispatcher.RegisterClient(newBridgeClient(result))
+
+	return result
+
+}
+
+// Identifier returns a string identifier for the remote connection.
+// Taking the form of the client's <ip address>:<port>.
+func (s *session) Identifier() string {
+	if s.conn != nil {
+		return s.conn.RemoteAddr().String()
+	}
+	return ""
+}
+
+func (s *session) sendMessage(msg string) error {
+	if !s.done {
+		s.writeChan <- []byte(msg)
+	}
+	return nil
+}
+
+func (s *session) start(firstSession bool) {
+	s.log.SetLogLevel(1)
+	s.log.Info("Connected to frontend.")
+	go s.writePump()
+
+	var wailsRuntime string
+	switch runtime.GOOS {
+	case "darwin":
+		wailsRuntime = darwinRuntime
+	default:
+		log.Fatal("platform not supported")
+	}
+
+	bindingsMessage := "window.wailsbindings = `" + s.bindings + "`;"
+	s.log.Info(bindingsMessage)
+	bootstrapMessage := bindingsMessage + wailsRuntime
+
+	s.sendMessage("b" + bootstrapMessage)
+
+	for {
+		messageType, buffer, err := s.conn.ReadMessage()
+		if messageType == -1 {
+			return
+		}
+		if err != nil {
+			s.log.Error("Error reading message: %v", err)
+			continue
+		}
+
+		message := string(buffer)
+
+		s.log.Debug("Got message: %#v\n", message)
+
+		// Dispatch message as normal
+		s.client.DispatchMessage(message)
+
+		if s.done {
+			break
+		}
+	}
+}
+
+// Shutdown
+func (s *session) Shutdown() {
+	s.conn.Close()
+	s.done = true
+	s.log.Info("session %v exit", s.Identifier())
+}
+
+// writePump pulls messages from the writeChan and sends them to the client
+// since it uses a channel to read the messages the socket is protected without locks
+func (s *session) writePump() {
+	s.log.Debug("Session %v - writePump start", s.Identifier())
+	defer s.log.Debug("Session %v - writePump shutdown", s.Identifier())
+	for {
+		select {
+		case <-s.ctx.Done():
+			s.Shutdown()
+			return
+		case msg, ok := <-s.writeChan:
+			s.conn.SetWriteDeadline(time.Now().Add(1 * time.Second))
+			if !ok {
+				s.log.Debug("writeChan was closed!")
+				s.conn.WriteMessage(websocket.CloseMessage, []byte{})
+				return
+			}
+
+			if err := s.conn.WriteMessage(websocket.TextMessage, msg); err != nil {
+				s.log.Debug(err.Error())
+				return
+			}
+		}
+	}
+}

v2/internal/deepcopy/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Joel
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

v2/internal/deepcopy/deepcopy.go

@@ -0,0 +1,125 @@
+// deepcopy makes deep copies of things. A standard copy will copy the
+// pointers: deep copy copies the values pointed to.  Unexported field
+// values are not copied.
+//
+// Copyright (c)2014-2016, Joel Scoble (github.com/mohae), all rights reserved.
+// License: MIT, for more details check the included LICENSE file.
+package deepcopy
+
+import (
+	"reflect"
+	"time"
+)
+
+// Interface for delegating copy process to type
+type Interface interface {
+	DeepCopy() interface{}
+}
+
+// Iface is an alias to Copy; this exists for backwards compatibility reasons.
+func Iface(iface interface{}) interface{} {
+	return Copy(iface)
+}
+
+// Copy creates a deep copy of whatever is passed to it and returns the copy
+// in an interface{}.  The returned value will need to be asserted to the
+// correct type.
+func Copy(src interface{}) interface{} {
+	if src == nil {
+		return nil
+	}
+
+	// Make the interface a reflect.Value
+	original := reflect.ValueOf(src)
+
+	// Make a copy of the same type as the original.
+	cpy := reflect.New(original.Type()).Elem()
+
+	// Recursively copy the original.
+	copyRecursive(original, cpy)
+
+	// Return the copy as an interface.
+	return cpy.Interface()
+}
+
+// copyRecursive does the actual copying of the interface. It currently has
+// limited support for what it can handle. Add as needed.
+func copyRecursive(original, cpy reflect.Value) {
+	// check for implement deepcopy.Interface
+	if original.CanInterface() {
+		if copier, ok := original.Interface().(Interface); ok {
+			cpy.Set(reflect.ValueOf(copier.DeepCopy()))
+			return
+		}
+	}
+
+	// handle according to original's Kind
+	switch original.Kind() {
+	case reflect.Ptr:
+		// Get the actual value being pointed to.
+		originalValue := original.Elem()
+
+		// if  it isn't valid, return.
+		if !originalValue.IsValid() {
+			return
+		}
+		cpy.Set(reflect.New(originalValue.Type()))
+		copyRecursive(originalValue, cpy.Elem())
+
+	case reflect.Interface:
+		// If this is a nil, don't do anything
+		if original.IsNil() {
+			return
+		}
+		// Get the value for the interface, not the pointer.
+		originalValue := original.Elem()
+
+		// Get the value by calling Elem().
+		copyValue := reflect.New(originalValue.Type()).Elem()
+		copyRecursive(originalValue, copyValue)
+		cpy.Set(copyValue)
+
+	case reflect.Struct:
+		t, ok := original.Interface().(time.Time)
+		if ok {
+			cpy.Set(reflect.ValueOf(t))
+			return
+		}
+		// Go through each field of the struct and copy it.
+		for i := 0; i < original.NumField(); i++ {
+			// The Type's StructField for a given field is checked to see if StructField.PkgPath
+			// is set to determine if the field is exported or not because CanSet() returns false
+			// for settable fields.  I'm not sure why.  -mohae
+			if original.Type().Field(i).PkgPath != "" {
+				continue
+			}
+			copyRecursive(original.Field(i), cpy.Field(i))
+		}
+
+	case reflect.Slice:
+		if original.IsNil() {
+			return
+		}
+		// Make a new slice and copy each element.
+		cpy.Set(reflect.MakeSlice(original.Type(), original.Len(), original.Cap()))
+		for i := 0; i < original.Len(); i++ {
+			copyRecursive(original.Index(i), cpy.Index(i))
+		}
+
+	case reflect.Map:
+		if original.IsNil() {
+			return
+		}
+		cpy.Set(reflect.MakeMap(original.Type()))
+		for _, key := range original.MapKeys() {
+			originalValue := original.MapIndex(key)
+			copyValue := reflect.New(originalValue.Type()).Elem()
+			copyRecursive(originalValue, copyValue)
+			copyKey := Copy(key.Interface())
+			cpy.SetMapIndex(reflect.ValueOf(copyKey), copyValue)
+		}
+
+	default:
+		cpy.Set(original)
+	}
+}

v2/internal/ffenestri/common.c

@@ -0,0 +1,95 @@
+//
+// Created by Lea Anthony on 6/1/21.
+//
+
+#include "common.h"
+
+// Credit: https://stackoverflow.com/a/8465083
+char* concat(const char *string1, const char *string2)
+{
+    const size_t len1 = strlen(string1);
+    const size_t len2 = strlen(string2);
+    char *result = malloc(len1 + len2 + 1);
+    strcpy(result, string1);
+    memcpy(result + len1, string2, len2 + 1);
+    return result;
+}
+
+// 10k is more than enough for a log message
+#define MAXMESSAGE 1024*10
+char abortbuffer[MAXMESSAGE];
+
+void ABORT(const char *message, ...) {
+    const char *temp = concat("FATAL: ", message);
+    va_list args;
+    va_start(args, message);
+    vsnprintf(abortbuffer, MAXMESSAGE, temp, args);
+    printf("%s\n", &abortbuffer[0]);
+    MEMFREE(temp);
+    va_end(args);
+    exit(1);
+}
+
+int freeHashmapItem(void *const context, struct hashmap_element_s *const e) {
+    free(e->data);
+    return -1;
+}
+
+const char* getJSONString(JsonNode *item, const char* key) {
+    // Get key
+    JsonNode *node = json_find_member(item, key);
+    const char *result = "";
+    if ( node != NULL && node->tag == JSON_STRING) {
+        result = node->string_;
+    }
+    return result;
+}
+
+void ABORT_JSON(JsonNode *node, const char* key) {
+    ABORT("Unable to read required key '%s' from JSON: %s\n", key, json_encode(node));
+}
+
+const char* mustJSONString(JsonNode *node, const char* key) {
+    const char* result = getJSONString(node, key);
+    if ( result == NULL ) {
+        ABORT_JSON(node, key);
+    }
+    return result;
+}
+JsonNode* mustJSONObject(JsonNode *node, const char* key) {
+    struct JsonNode* result = getJSONObject(node, key);
+    if ( result == NULL ) {
+        ABORT_JSON(node, key);
+    }
+    return result;
+}
+
+JsonNode* getJSONObject(JsonNode* node, const char* key) {
+    return json_find_member(node, key);
+}
+
+bool getJSONBool(JsonNode *item, const char* key, bool *result) {
+    JsonNode *node = json_find_member(item, key);
+    if ( node != NULL && node->tag == JSON_BOOL) {
+        *result = node->bool_;
+        return true;
+    }
+    return false;
+}
+
+bool getJSONInt(JsonNode *item, const char* key, int *result) {
+    JsonNode *node = json_find_member(item, key);
+    if ( node != NULL && node->tag == JSON_NUMBER) {
+        *result = (int) node->number_;
+        return true;
+    }
+    return false;
+}
+
+JsonNode* mustParseJSON(const char* JSON) {
+    JsonNode* parsedUpdate = json_decode(JSON);
+    if ( parsedUpdate == NULL ) {
+        ABORT("Unable to decode JSON: %s\n", JSON);
+    }
+    return parsedUpdate;
+}

v2/internal/ffenestri/common.h

@@ -0,0 +1,40 @@
+//
+// Created by Lea Anthony on 6/1/21.
+//
+
+#ifndef COMMON_H
+#define COMMON_H
+
+#define OBJC_OLD_DISPATCH_PROTOTYPES 1
+#include <objc/objc-runtime.h>
+#include <CoreGraphics/CoreGraphics.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include "string.h"
+#include "hashmap.h"
+#include "vec.h"
+#include "json.h"
+
+#define STREQ(a,b) strcmp(a, b) == 0
+#define STREMPTY(string) strlen(string) == 0
+#define STRCOPY(a) concat(a, "")
+#define STR_HAS_CHARS(input) input != NULL && strlen(input) > 0
+#define MEMFREE(input) free((void*)input); input = NULL;
+#define FREE_AND_SET(variable, value) if( variable != NULL ) { MEMFREE(variable); } variable = value
+
+// Credit: https://stackoverflow.com/a/8465083
+char* concat(const char *string1, const char *string2);
+void ABORT(const char *message, ...);
+int freeHashmapItem(void *const context, struct hashmap_element_s *const e);
+const char* getJSONString(JsonNode *item, const char* key);
+const char* mustJSONString(JsonNode *node, const char* key);
+JsonNode* getJSONObject(JsonNode* node, const char* key);
+JsonNode* mustJSONObject(JsonNode *node, const char* key);
+
+bool getJSONBool(JsonNode *item, const char* key, bool *result);
+bool getJSONInt(JsonNode *item, const char* key, int *result);
+
+JsonNode* mustParseJSON(const char* JSON);
+
+#endif //ASSETS_C_COMMON_H

v2/internal/ffenestri/contextmenus_darwin.c

@@ -0,0 +1,99 @@
+////
+//// Created by Lea Anthony on 6/1/21.
+////
+//
+
+#include "ffenestri_darwin.h"
+#include "common.h"
+#include "contextmenus_darwin.h"
+#include "menu_darwin.h"
+
+ContextMenu* NewContextMenu(const char* contextMenuJSON) {
+    ContextMenu* result = malloc(sizeof(ContextMenu));
+
+    JsonNode* processedJSON = json_decode(contextMenuJSON);
+    if( processedJSON == NULL ) {
+        ABORT("[NewTrayMenu] Unable to parse TrayMenu JSON: %s", contextMenuJSON);
+    }
+    // Save reference to this json
+    result->processedJSON = processedJSON;
+
+    result->ID = mustJSONString(processedJSON, "ID");
+    JsonNode* processedMenu = mustJSONObject(processedJSON, "ProcessedMenu");
+
+    result->menu = NewMenu(processedMenu);
+    result->nsmenu = NULL;
+    result->menu->menuType = ContextMenuType;
+    result->menu->parentData = result;
+    result->contextMenuData = NULL;
+    return result;
+}
+
+ContextMenu* GetContextMenuByID(ContextMenuStore* store, const char *contextMenuID) {
+    return (ContextMenu*)hashmap_get(&store->contextMenuMap, (char*)contextMenuID, strlen(contextMenuID));
+}
+
+void DeleteContextMenu(ContextMenu* contextMenu) {
+    // Free Menu
+    DeleteMenu(contextMenu->menu);
+
+    // Delete any context menu data we may have stored
+    if( contextMenu->contextMenuData != NULL ) {
+        MEMFREE(contextMenu->contextMenuData);
+    }
+
+    // Free JSON
+    if (contextMenu->processedJSON != NULL ) {
+        json_delete(contextMenu->processedJSON);
+        contextMenu->processedJSON = NULL;
+    }
+
+    // Free context menu
+    free(contextMenu);
+}
+
+int freeContextMenu(void *const context, struct hashmap_element_s *const e) {
+    DeleteContextMenu(e->data);
+    return -1;
+}
+
+void ShowContextMenu(ContextMenuStore* store, id mainWindow, const char *contextMenuID, const char *contextMenuData) {
+
+	// If no context menu ID was given, abort
+	if( contextMenuID == NULL ) {
+		return;
+	}
+
+	ContextMenu* contextMenu = GetContextMenuByID(store, contextMenuID);
+
+	// We don't need the ID now
+    MEMFREE(contextMenuID);
+
+    if( contextMenu == NULL ) {
+        // Free context menu data
+        if( contextMenuData != NULL ) {
+	        MEMFREE(contextMenuData);
+			return;
+		}
+	}
+
+    // We need to store the context menu data. Free existing data if we have it
+    // and set to the new value.
+    FREE_AND_SET(contextMenu->contextMenuData, contextMenuData);
+
+	// Grab the content view and show the menu
+	id contentView = msg(mainWindow, s("contentView"));
+
+	// Get the triggering event
+	id menuEvent = msg(mainWindow, s("currentEvent"));
+
+	if( contextMenu->nsmenu == NULL ) {
+        // GetMenu creates the NSMenu
+        contextMenu->nsmenu = GetMenu(contextMenu->menu);
+	}
+
+	// Show popup
+	msg(c("NSMenu"), s("popUpContextMenu:withEvent:forView:"), contextMenu->nsmenu, menuEvent, contentView);
+
+}
+

v2/internal/ffenestri/contextmenus_darwin.h

@@ -0,0 +1,33 @@
+////
+//// Created by Lea Anthony on 6/1/21.
+////
+//
+#ifndef CONTEXTMENU_DARWIN_H
+#define CONTEXTMENU_DARWIN_H
+
+#include "json.h"
+#include "menu_darwin.h"
+#include "contextmenustore_darwin.h"
+
+typedef struct {
+    const char* ID;
+    id nsmenu;
+    Menu* menu;
+
+    JsonNode* processedJSON;
+
+    // Context menu data is given by the frontend when clicking a context menu.
+    // We send this to the backend when an item is selected
+	const char* contextMenuData;
+} ContextMenu;
+
+
+ContextMenu* NewContextMenu(const char* contextMenuJSON);
+
+ContextMenu* GetContextMenuByID( ContextMenuStore* store, const char *contextMenuID);
+void DeleteContextMenu(ContextMenu* contextMenu);
+int freeContextMenu(void *const context, struct hashmap_element_s *const e);
+
+void ShowContextMenu(ContextMenuStore* store, id mainWindow, const char *contextMenuID, const char *contextMenuData);
+
+#endif //CONTEXTMENU_DARWIN_H

v2/internal/ffenestri/contextmenustore_darwin.c

@@ -0,0 +1,65 @@
+
+#include "contextmenus_darwin.h"
+#include "contextmenustore_darwin.h"
+
+ContextMenuStore* NewContextMenuStore() {
+
+    ContextMenuStore* result = malloc(sizeof(ContextMenuStore));
+
+    // Allocate Context Menu Store
+    if( 0 != hashmap_create((const unsigned)4, &result->contextMenuMap)) {
+        ABORT("[NewContextMenus] Not enough memory to allocate contextMenuStore!");
+    }
+
+    return result;
+}
+
+void AddContextMenuToStore(ContextMenuStore* store, const char* contextMenuJSON) {
+    ContextMenu* newMenu = NewContextMenu(contextMenuJSON);
+
+    //TODO: check if there is already an entry for this menu
+    hashmap_put(&store->contextMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+}
+
+ContextMenu* GetContextMenuFromStore(ContextMenuStore* store, const char* menuID) {
+    // Get the current menu
+    return hashmap_get(&store->contextMenuMap, menuID, strlen(menuID));
+}
+
+void UpdateContextMenuInStore(ContextMenuStore* store, const char* menuJSON) {
+    ContextMenu* newContextMenu = NewContextMenu(menuJSON);
+
+    // Get the current menu
+    ContextMenu *currentMenu = GetContextMenuFromStore(store, newContextMenu->ID);
+    if ( currentMenu == NULL ) {
+        ABORT("Attempted to update unknown context menu with ID '%s'.", newContextMenu->ID);
+    }
+
+    hashmap_remove(&store->contextMenuMap, newContextMenu->ID, strlen(newContextMenu->ID));
+
+    // Save the status bar reference
+    DeleteContextMenu(currentMenu);
+
+    hashmap_put(&store->contextMenuMap, newContextMenu->ID, strlen(newContextMenu->ID), newContextMenu);
+
+}
+
+
+void DeleteContextMenuStore(ContextMenuStore* store) {
+
+    // Guard against NULLs
+    if( store == NULL ) {
+        return;
+    }
+
+    // Delete context menus
+    if( hashmap_num_entries(&store->contextMenuMap) > 0 ) {
+        if (0 != hashmap_iterate_pairs(&store->contextMenuMap, freeContextMenu, NULL)) {
+            ABORT("[DeleteContextMenuStore] Failed to release contextMenuStore entries!");
+        }
+    }
+
+    // Free context menu hashmap
+    hashmap_destroy(&store->contextMenuMap);
+
+}

v2/internal/ffenestri/contextmenustore_darwin.h

@@ -0,0 +1,27 @@
+//
+// Created by Lea Anthony on 7/1/21.
+//
+
+#ifndef CONTEXTMENUSTORE_DARWIN_H
+#define CONTEXTMENUSTORE_DARWIN_H
+
+#include "common.h"
+
+typedef struct {
+
+    int dummy;
+
+    // This is our context menu store which keeps track
+    // of all instances of ContextMenus
+    struct hashmap_s contextMenuMap;
+
+} ContextMenuStore;
+
+ContextMenuStore* NewContextMenuStore();
+
+void DeleteContextMenuStore(ContextMenuStore* store);
+void UpdateContextMenuInStore(ContextMenuStore* store, const char* menuJSON);
+
+void AddContextMenuToStore(ContextMenuStore* store, const char* contextMenuJSON);
+
+#endif //CONTEXTMENUSTORE_DARWIN_H

v2/internal/ffenestri/ffenestri.go

@@ -5,6 +5,8 @@ import (
 	"strings"
 	"unsafe"
 
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
 	"github.com/wailsapp/wails/v2/pkg/options"
@@ -31,7 +33,10 @@ type Application struct {
 	memory []unsafe.Pointer
 
 	// This is the main app pointer
-	app unsafe.Pointer
+	app *C.struct_Application
+
+	// Manages menus
+	menuManager *menumanager.Manager
 
 	// Logger
 	logger logger.CustomLogger
@@ -52,10 +57,11 @@ func init() {
 }
 
 // NewApplicationWithConfig creates a new application based on the given config
-func NewApplicationWithConfig(config *options.App, logger *logger.Logger) *Application {
+func NewApplicationWithConfig(config *options.App, logger *logger.Logger, menuManager *menumanager.Manager) *Application {
 	return &Application{
-		config: config,
-		logger: logger.CustomLogger("Ffenestri"),
+		config:      config,
+		logger:      logger.CustomLogger("Ffenestri"),
+		menuManager: menuManager,
 	}
 }
 
@@ -113,10 +119,11 @@ func (a *Application) Run(incomingDispatcher Dispatcher, bindings string, debug
 	fullscreen := a.bool2Cint(a.config.Fullscreen)
 	startHidden := a.bool2Cint(a.config.StartHidden)
 	logLevel := C.int(a.config.LogLevel)
-	app := C.NewApplication(title, width, height, resizable, devtools, fullscreen, startHidden, logLevel)
+	hideWindowOnClose := a.bool2Cint(a.config.HideWindowOnClose)
+	app := C.NewApplication(title, width, height, resizable, devtools, fullscreen, startHidden, logLevel, hideWindowOnClose)
 
 	// Save app reference
-	a.app = unsafe.Pointer(app)
+	a.app = (*C.struct_Application)(app)
 
 	// Set Min Window Size
 	minWidth := C.int(a.config.MinWidth)
@@ -152,7 +159,10 @@ func (a *Application) Run(incomingDispatcher Dispatcher, bindings string, debug
 	dispatcher = incomingDispatcher.RegisterClient(newClient(a))
 
 	// Process platform settings
-	a.processPlatformSettings()
+	err := a.processPlatformSettings()
+	if err != nil {
+		return err
+	}
 
 	// Check we could initialise the application
 	if app != nil {

v2/internal/ffenestri/ffenestri.h

@@ -2,41 +2,43 @@
 #define __FFENESTRI_H__
 
 #include <stdio.h>
+struct Application;
 
-extern void *NewApplication(const char *title, int width, int height, int resizable, int devtools, int fullscreen, int startHidden, int logLevel);
-extern void SetMinWindowSize(void *app, int minWidth, int minHeight);
-extern void SetMaxWindowSize(void *app, int maxWidth, int maxHeight);
-extern void Run(void *app, int argc, char **argv);
-extern void DestroyApplication(void *app);
-extern void SetDebug(void *app, int flag);
-extern void SetBindings(void *app, const char *bindings);
-extern void ExecJS(void *app, const char *script);
-extern void Hide(void *app);
-extern void Show(void *app);
-extern void Center(void *app);
-extern void Maximise(void *app);
-extern void Unmaximise(void *app);
-extern void ToggleMaximise(void *app);
-extern void Minimise(void *app);
-extern void Unminimise(void *app);
-extern void ToggleMinimise(void *app);
-extern void SetColour(void *app, int red, int green, int blue, int alpha);
-extern void SetSize(void *app, int width, int height);
-extern void SetPosition(void *app, int x, int y);
-extern void Quit(void *app);
-extern void SetTitle(void *app, const char *title);
-extern void Fullscreen(void *app);
-extern void UnFullscreen(void *app);
-extern void ToggleFullscreen(void *app);
-extern void DisableFrame(void *app);
-extern void OpenDialog(void *appPointer, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int allowFiles, int allowDirs, int allowMultiple, int showHiddenFiles, int canCreateDirectories, int resolvesAliases, int treatPackagesAsDirectories);
-extern void SaveDialog(void *appPointer, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int showHiddenFiles, int canCreateDirectories, int treatPackagesAsDirectories);
-extern void MessageDialog(void *appPointer, char *callbackID, char *type, char *title, char *message, char *icon, char *button1, char *button2, char *button3, char *button4, char *defaultButton, char *cancelButton);
-extern void DarkModeEnabled(void *appPointer, char *callbackID);
-extern void UpdateMenu(void *app, char *menuAsJSON);
-extern void UpdateTray(void *app, char *menuAsJSON);
-extern void UpdateContextMenus(void *app, char *contextMenusAsJSON);
-extern void UpdateTrayLabel(void *app, const char *label);
-extern void UpdateTrayIcon(void *app, const char *label);
+extern struct Application *NewApplication(const char *title, int width, int height, int resizable, int devtools, int fullscreen, int startHidden, int logLevel, int hideWindowOnClose);
+extern void SetMinWindowSize(struct Application*, int minWidth, int minHeight);
+extern void SetMaxWindowSize(struct Application*, int maxWidth, int maxHeight);
+extern void Run(struct Application*, int argc, char **argv);
+extern void DestroyApplication(struct Application*);
+extern void SetDebug(struct Application*, int flag);
+extern void SetBindings(struct Application*, const char *bindings);
+extern void ExecJS(struct Application*, const char *script);
+extern void Hide(struct Application*);
+extern void Show(struct Application*);
+extern void Center(struct Application*);
+extern void Maximise(struct Application*);
+extern void Unmaximise(struct Application*);
+extern void ToggleMaximise(struct Application*);
+extern void Minimise(struct Application*);
+extern void Unminimise(struct Application*);
+extern void ToggleMinimise(struct Application*);
+extern void SetColour(struct Application*, int red, int green, int blue, int alpha);
+extern void SetSize(struct Application*, int width, int height);
+extern void SetPosition(struct Application*, int x, int y);
+extern void Quit(struct Application*);
+extern void SetTitle(struct Application*, const char *title);
+extern void Fullscreen(struct Application*);
+extern void UnFullscreen(struct Application*);
+extern void ToggleFullscreen(struct Application*);
+extern void DisableFrame(struct Application*);
+extern void OpenDialog(struct Application*, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int allowFiles, int allowDirs, int allowMultiple, int showHiddenFiles, int canCreateDirectories, int resolvesAliases, int treatPackagesAsDirectories);
+extern void SaveDialog(struct Application*, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int showHiddenFiles, int canCreateDirectories, int treatPackagesAsDirectories);
+extern void MessageDialog(struct Application*, char *callbackID, char *type, char *title, char *message, char *icon, char *button1, char *button2, char *button3, char *button4, char *defaultButton, char *cancelButton);
+extern void DarkModeEnabled(struct Application*, char *callbackID);
+extern void SetApplicationMenu(struct Application*, const char *);
+extern void AddTrayMenu(struct Application*, const char *menuTrayJSON);
+extern void SetTrayMenu(struct Application*, const char *menuTrayJSON);
+extern void UpdateTrayMenuLabel(struct Application*, const char* JSON);
+extern void AddContextMenu(struct Application*, char *contextMenuJSON);
+extern void UpdateContextMenu(struct Application*, char *contextMenuJSON);
 
 #endif

v2/internal/ffenestri/ffenestri_client.go

@@ -12,12 +12,11 @@ package ffenestri
 import "C"
 
 import (
-	"encoding/json"
-	"github.com/wailsapp/wails/v2/pkg/menu"
 	"strconv"
 
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
+
 	"github.com/wailsapp/wails/v2/internal/logger"
-	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 // Client is our implentation of messageDispatcher.Client
@@ -115,6 +114,14 @@ func (c *Client) WindowSize(width int, height int) {
 	C.SetSize(c.app.app, C.int(width), C.int(height))
 }
 
+func (c *Client) WindowSetMinSize(width int, height int) {
+	C.SetMinWindowSize(c.app.app, C.int(width), C.int(height))
+}
+
+func (c *Client) WindowSetMaxSize(width int, height int) {
+	C.SetMaxWindowSize(c.app.app, C.int(width), C.int(height))
+}
+
 // WindowSetColour sets the window colour
 func (c *Client) WindowSetColour(colour int) {
 	r, g, b, a := intToColour(colour)
@@ -122,7 +129,7 @@ func (c *Client) WindowSetColour(colour int) {
 }
 
 // OpenDialog will open a dialog with the given title and filter
-func (c *Client) OpenDialog(dialogOptions *options.OpenDialog, callbackID string) {
+func (c *Client) OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string) {
 	C.OpenDialog(c.app.app,
 		c.app.string2CString(callbackID),
 		c.app.string2CString(dialogOptions.Title),
@@ -140,7 +147,7 @@ func (c *Client) OpenDialog(dialogOptions *options.OpenDialog, callbackID string
 }
 
 // SaveDialog will open a dialog with the given title and filter
-func (c *Client) SaveDialog(dialogOptions *options.SaveDialog, callbackID string) {
+func (c *Client) SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string) {
 	C.SaveDialog(c.app.app,
 		c.app.string2CString(callbackID),
 		c.app.string2CString(dialogOptions.Title),
@@ -154,7 +161,7 @@ func (c *Client) SaveDialog(dialogOptions *options.SaveDialog, callbackID string
 }
 
 // MessageDialog will open a message dialog with the given options
-func (c *Client) MessageDialog(dialogOptions *options.MessageDialog, callbackID string) {
+func (c *Client) MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string) {
 
 	// Sanity check button length
 	if len(dialogOptions.Buttons) > 4 {
@@ -186,57 +193,18 @@ func (c *Client) DarkModeEnabled(callbackID string) {
 	C.DarkModeEnabled(c.app.app, c.app.string2CString(callbackID))
 }
 
-func (c *Client) UpdateMenu(menu *menu.Menu) {
-
-	// Guard against nil menus
-	if menu == nil {
-		return
-	}
-	// Process the menu
-	processedMenu := NewProcessedMenu(menu)
-	menuJSON, err := json.Marshal(processedMenu)
-	if err != nil {
-		c.app.logger.Error("Error processing updated Menu: %s", err.Error())
-		return
-	}
-	C.UpdateMenu(c.app.app, c.app.string2CString(string(menuJSON)))
+func (c *Client) SetApplicationMenu(applicationMenuJSON string) {
+	C.SetApplicationMenu(c.app.app, c.app.string2CString(applicationMenuJSON))
 }
 
-func (c *Client) UpdateTray(menu *menu.Menu) {
-
-	// Guard against nil menus
-	if menu == nil {
-		return
-	}
-	// Process the menu
-	processedMenu := NewProcessedMenu(menu)
-	trayMenuJSON, err := json.Marshal(processedMenu)
-	if err != nil {
-		c.app.logger.Error("Error processing updated Tray: %s", err.Error())
-		return
-	}
-	C.UpdateTray(c.app.app, c.app.string2CString(string(trayMenuJSON)))
+func (c *Client) SetTrayMenu(trayMenuJSON string) {
+	C.SetTrayMenu(c.app.app, c.app.string2CString(trayMenuJSON))
 }
 
-func (c *Client) UpdateTrayLabel(label string) {
-	C.UpdateTrayLabel(c.app.app, c.app.string2CString(label))
+func (c *Client) UpdateTrayMenuLabel(JSON string) {
+	C.UpdateTrayMenuLabel(c.app.app, c.app.string2CString(JSON))
 }
 
-func (c *Client) UpdateTrayIcon(name string) {
-	C.UpdateTrayIcon(c.app.app, c.app.string2CString(name))
-}
-
-func (c *Client) UpdateContextMenus(contextMenus *menu.ContextMenus) {
-
-	// Guard against nil contextMenus
-	if contextMenus == nil {
-		return
-	}
-	// Process the menu
-	contextMenusJSON, err := json.Marshal(contextMenus)
-	if err != nil {
-		c.app.logger.Error("Error processing updated Context Menus: %s", err.Error())
-		return
-	}
-	C.UpdateContextMenus(c.app.app, c.app.string2CString(string(contextMenusJSON)))
+func (c *Client) UpdateContextMenu(contextMenuJSON string) {
+	C.UpdateContextMenu(c.app.app, c.app.string2CString(contextMenuJSON))
 }

v2/internal/ffenestri/ffenestri_darwin.go

@@ -2,17 +2,13 @@ package ffenestri
 
 /*
 #cgo darwin CFLAGS: -DFFENESTRI_DARWIN=1
-#cgo darwin LDFLAGS: -framework WebKit -lobjc
+#cgo darwin LDFLAGS: -framework WebKit -framework CoreFoundation -lobjc
 
+#include "ffenestri.h"
 #include "ffenestri_darwin.h"
 
 */
 import "C"
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/wailsapp/wails/v2/pkg/options"
-)
 
 func (a *Application) processPlatformSettings() error {
 
@@ -63,54 +59,32 @@ func (a *Application) processPlatformSettings() error {
 	}
 
 	// Process menu
-	applicationMenu := options.GetApplicationMenu(a.config)
-	if applicationMenu != nil {
-
-		/*
-			As radio groups need to be manually managed on OSX,
-			we preprocess the menu to determine the radio groups.
-			This is defined as any adjacent menu item of type "RadioType".
-			We keep a record of every radio group member we discover by saving
-			a list of all members of the group and the number of members
-			in the group (this last one is for optimisation at the C layer).
-		*/
-		processedMenu := NewProcessedMenu(applicationMenu)
-		applicationMenuJSON, err := json.Marshal(processedMenu)
-		if err != nil {
-			return err
-		}
-		C.SetMenu(a.app, a.string2CString(string(applicationMenuJSON)))
+	//applicationMenu := options.GetApplicationMenu(a.config)
+	applicationMenu := a.menuManager.GetApplicationMenuJSON()
+	if applicationMenu != "" {
+		C.SetApplicationMenu(a.app, a.string2CString(applicationMenu))
 	}
 
 	// Process tray
-	tray := options.GetTray(a.config)
-	if tray != nil {
-
-		/*
-			As radio groups need to be manually managed on OSX,
-			we preprocess the menu to determine the radio groups.
-			This is defined as any adjacent menu item of type "RadioType".
-			We keep a record of every radio group member we discover by saving
-			a list of all members of the group and the number of members
-			in the group (this last one is for optimisation at the C layer).
-		*/
-		processedMenu := NewProcessedMenu(tray.Menu)
-		trayMenuJSON, err := json.Marshal(processedMenu)
-		if err != nil {
-			return err
+	trays, err := a.menuManager.GetTrayMenus()
+	if err != nil {
+		return err
+	}
+	if trays != nil {
+		for _, tray := range trays {
+			C.AddTrayMenu(a.app, a.string2CString(tray))
 		}
-		C.SetTray(a.app, a.string2CString(string(trayMenuJSON)), a.string2CString(tray.Label), a.string2CString(tray.Icon))
 	}
 
 	// Process context menus
-	contextMenus := options.GetContextMenus(a.config)
+	contextMenus, err := a.menuManager.GetContextMenus()
+	if err != nil {
+		return err
+	}
 	if contextMenus != nil {
-		contextMenusJSON, err := json.Marshal(contextMenus)
-		fmt.Printf("\n\nCONTEXT MENUS:\n %+v\n\n", string(contextMenusJSON))
-		if err != nil {
-			return err
+		for _, contextMenu := range contextMenus {
+			C.AddContextMenu(a.app, a.string2CString(contextMenu))
 		}
-		C.SetContextMenus(a.app, a.string2CString(string(contextMenusJSON)))
 	}
 
 	return nil

v2/internal/ffenestri/ffenestri_darwin.h

@@ -2,18 +2,114 @@
 #ifndef FFENESTRI_DARWIN_H
 #define FFENESTRI_DARWIN_H
 
-extern void TitlebarAppearsTransparent(void *);
-extern void HideTitle(void *);
-extern void HideTitleBar(void *);
-extern void FullSizeContent(void *);
-extern void UseToolbar(void *);
-extern void HideToolbarSeparator(void *);
-extern void DisableFrame(void *);
-extern void SetAppearance(void *, const char *);
-extern void WebviewIsTransparent(void *);
-extern void WindowBackgroundIsTranslucent(void *);
-extern void SetMenu(void *, const char *);
-extern void SetTray(void *, const char *, const char *, const char *);
-extern void SetContextMenus(void *, const char *);
+
+#define OBJC_OLD_DISPATCH_PROTOTYPES 1
+#include <objc/objc-runtime.h>
+#include <CoreGraphics/CoreGraphics.h>
+#include <CoreFoundation/CoreFoundation.h>
+#include "json.h"
+#include "hashmap.h"
+#include "stdlib.h"
+
+// Macros to make it slightly more sane
+#define msg objc_msgSend
+
+#define c(str) (id)objc_getClass(str)
+#define s(str) sel_registerName(str)
+#define u(str) sel_getUid(str)
+#define str(input) msg(c("NSString"), s("stringWithUTF8String:"), input)
+#define strunicode(input) msg(c("NSString"), s("stringWithFormat:"), str("%C"), (unsigned short)input)
+#define cstr(input) (const char *)msg(input, s("UTF8String"))
+#define url(input) msg(c("NSURL"), s("fileURLWithPath:"), str(input))
+#define ALLOC(classname) msg(c(classname), s("alloc"))
+#define ALLOC_INIT(classname) msg(msg(c(classname), s("alloc")), s("init"))
+#define GET_FRAME(receiver) ((CGRect(*)(id, SEL))objc_msgSend_stret)(receiver, s("frame"))
+#define GET_BOUNDS(receiver) ((CGRect(*)(id, SEL))objc_msgSend_stret)(receiver, s("bounds"))
+#define GET_BACKINGSCALEFACTOR(receiver) ((CGFloat(*)(id, SEL))msg)(receiver, s("backingScaleFactor"))
+
+#define ON_MAIN_THREAD(str) dispatch( ^{ str; } )
+#define MAIN_WINDOW_CALL(str) msg(app->mainWindow, s((str)))
+
+#define NSBackingStoreBuffered 2
+
+#define NSWindowStyleMaskBorderless 0
+#define NSWindowStyleMaskTitled 1
+#define NSWindowStyleMaskClosable 2
+#define NSWindowStyleMaskMiniaturizable 4
+#define NSWindowStyleMaskResizable 8
+#define NSWindowStyleMaskFullscreen 1 << 14
+
+#define NSVisualEffectMaterialWindowBackground 12
+#define NSVisualEffectBlendingModeBehindWindow 0
+#define NSVisualEffectStateFollowsWindowActiveState 0
+#define NSVisualEffectStateActive 1
+#define NSVisualEffectStateInactive 2
+
+#define NSViewWidthSizable 2
+#define NSViewHeightSizable 16
+
+#define NSWindowBelow -1
+#define NSWindowAbove 1
+
+#define NSSquareStatusItemLength   -2.0
+#define NSVariableStatusItemLength -1.0
+
+#define NSWindowTitleHidden 1
+#define NSWindowStyleMaskFullSizeContentView 1 << 15
+
+#define NSEventModifierFlagCommand 1 << 20
+#define NSEventModifierFlagOption 1 << 19
+#define NSEventModifierFlagControl 1 << 18
+#define NSEventModifierFlagShift 1 << 17
+
+#define NSControlStateValueMixed -1
+#define NSControlStateValueOff 0
+#define NSControlStateValueOn 1
+
+// Unbelievably, if the user swaps their button preference
+// then right buttons are reported as left buttons
+#define NSEventMaskLeftMouseDown 1 << 1
+#define NSEventMaskLeftMouseUp 1 << 2
+#define NSEventMaskRightMouseDown 1 << 3
+#define NSEventMaskRightMouseUp 1 << 4
+
+#define NSEventTypeLeftMouseDown 1
+#define NSEventTypeLeftMouseUp 2
+#define NSEventTypeRightMouseDown 3
+#define NSEventTypeRightMouseUp 4
+
+#define NSNoImage       0
+#define NSImageOnly     1
+#define NSImageLeft     2
+#define NSImageRight    3
+#define NSImageBelow    4
+#define NSImageAbove    5
+#define NSImageOverlaps 6
+
+#define NSAlertStyleWarning 0
+#define NSAlertStyleInformational 1
+#define NSAlertStyleCritical 2
+
+#define NSAlertFirstButtonReturn   1000
+#define NSAlertSecondButtonReturn  1001
+#define NSAlertThirdButtonReturn   1002
+
+struct Application;
+int releaseNSObject(void *const context, struct hashmap_element_s *const e);
+void TitlebarAppearsTransparent(struct Application* app);
+void HideTitle(struct Application* app);
+void HideTitleBar(struct Application* app);
+void FullSizeContent(struct Application* app);
+void UseToolbar(struct Application* app);
+void HideToolbarSeparator(struct Application* app);
+void DisableFrame(struct Application* app);
+void SetAppearance(struct Application* app, const char *);
+void WebviewIsTransparent(struct Application* app);
+void WindowBackgroundIsTranslucent(struct Application* app);
+void SetTray(struct Application* app, const char *, const char *, const char *);
+//void SetContextMenus(struct Application* app, const char *);
+void AddTrayMenu(struct Application* app, const char *);
+
+void* lookupStringConstant(id constantName);
 
 #endif

v2/internal/ffenestri/menu.go

@@ -1,80 +0,0 @@
-package ffenestri
-
-import "github.com/wailsapp/wails/v2/pkg/menu"
-
-// ProcessedMenu is the original menu with the addition
-// of radio groups extracted from the menu data
-type ProcessedMenu struct {
-	Menu              *menu.Menu
-	RadioGroups       []*RadioGroup
-	currentRadioGroup []string
-}
-
-// RadioGroup holds all the members of the same radio group
-type RadioGroup struct {
-	Members []string
-	Length  int
-}
-
-// NewProcessedMenu processed the given menu and returns
-// the original menu with the extracted radio groups
-func NewProcessedMenu(menu *menu.Menu) *ProcessedMenu {
-	result := &ProcessedMenu{
-		Menu:              menu,
-		RadioGroups:       []*RadioGroup{},
-		currentRadioGroup: []string{},
-	}
-
-	result.processMenu()
-
-	return result
-}
-
-func (p *ProcessedMenu) processMenu() {
-	// Loop over top level menus
-	for _, item := range p.Menu.Items {
-		// Process MenuItem
-		p.processMenuItem(item)
-	}
-
-	p.finaliseRadioGroup()
-}
-
-func (p *ProcessedMenu) processMenuItem(item *menu.MenuItem) {
-
-	switch item.Type {
-
-	// We need to recurse submenus
-	case menu.SubmenuType:
-
-		// Finalise any current radio groups as they don't trickle down to submenus
-		p.finaliseRadioGroup()
-
-		// Process each submenu item
-		for _, subitem := range item.SubMenu {
-			p.processMenuItem(subitem)
-		}
-	case menu.RadioType:
-		// Add the item to the radio group
-		p.currentRadioGroup = append(p.currentRadioGroup, item.ID)
-	default:
-		p.finaliseRadioGroup()
-	}
-}
-
-func (p *ProcessedMenu) finaliseRadioGroup() {
-
-	// If we were processing a radio group, fix up the references
-	if len(p.currentRadioGroup) > 0 {
-
-		// Create new radiogroup
-		group := &RadioGroup{
-			Members: p.currentRadioGroup,
-			Length:  len(p.currentRadioGroup),
-		}
-		p.RadioGroups = append(p.RadioGroups, group)
-
-		// Empty the radio group
-		p.currentRadioGroup = []string{}
-	}
-}

v2/internal/ffenestri/menu_darwin.c

@@ -0,0 +1,885 @@
+//
+// Created by Lea Anthony on 6/1/21.
+//
+
+#include "ffenestri_darwin.h"
+#include "menu_darwin.h"
+#include "contextmenus_darwin.h"
+#include "common.h"
+
+// NewMenu creates a new Menu struct, saving the given menu structure as JSON
+Menu* NewMenu(JsonNode *menuData) {
+
+    Menu *result = malloc(sizeof(Menu));
+
+    result->processedMenu = menuData;
+
+    // No title by default
+    result->title = "";
+
+    // Initialise menuCallbackDataCache
+    vec_init(&result->callbackDataCache);
+
+    // Allocate MenuItem Map
+    if( 0 != hashmap_create((const unsigned)16, &result->menuItemMap)) {
+        ABORT("[NewMenu] Not enough memory to allocate menuItemMap!");
+    }
+    // Allocate the Radio Group Map
+    if( 0 != hashmap_create((const unsigned)4, &result->radioGroupMap)) {
+        ABORT("[NewMenu] Not enough memory to allocate radioGroupMap!");
+    }
+
+    // Init other members
+    result->menu = NULL;
+    result->parentData = NULL;
+
+    return result;
+}
+
+Menu* NewApplicationMenu(const char *menuAsJSON) {
+
+    // Parse the menu json
+    JsonNode *processedMenu = json_decode(menuAsJSON);
+    if( processedMenu == NULL ) {
+        // Parse error!
+        ABORT("Unable to parse Menu JSON: %s", menuAsJSON);
+    }
+
+    Menu *result = NewMenu(processedMenu);
+    result->menuType = ApplicationMenuType;
+    return result;
+}
+
+MenuItemCallbackData* CreateMenuItemCallbackData(Menu *menu, id menuItem, const char *menuID, enum MenuItemType menuItemType) {
+    MenuItemCallbackData* result = malloc(sizeof(MenuItemCallbackData));
+
+    result->menu = menu;
+    result->menuID = menuID;
+    result->menuItem = menuItem;
+    result->menuItemType = menuItemType;
+
+    // Store reference to this so we can destroy later
+    vec_push(&menu->callbackDataCache, result);
+
+    return result;
+}
+
+void DeleteMenu(Menu *menu) {
+
+    // Free menu item hashmap
+    hashmap_destroy(&menu->menuItemMap);
+
+    // Free radio group members
+    if( hashmap_num_entries(&menu->radioGroupMap) > 0 ) {
+        if (0 != hashmap_iterate_pairs(&menu->radioGroupMap, freeHashmapItem, NULL)) {
+            ABORT("[DeleteMenu] Failed to release radioGroupMap entries!");
+        }
+    }
+
+    // Free radio groups hashmap
+    hashmap_destroy(&menu->radioGroupMap);
+
+    // Free up the processed menu memory
+    if (menu->processedMenu != NULL) {
+        json_delete(menu->processedMenu);
+        menu->processedMenu = NULL;
+    }
+
+    // Release the vector memory
+    vec_deinit(&menu->callbackDataCache);
+
+    // Free nsmenu if we have it
+    if ( menu->menu != NULL ) {
+        msg(menu->menu, s("release"));
+    }
+
+    free(menu);
+}
+
+// Creates a JSON message for the given menuItemID and data
+const char* createMenuClickedMessage(const char *menuItemID, const char *data, enum MenuType menuType, const char *parentID) {
+
+    JsonNode *jsonObject = json_mkobject();
+    if (menuItemID == NULL ) {
+        ABORT("Item ID NULL for menu!!\n");
+    }
+    json_append_member(jsonObject, "menuItemID", json_mkstring(menuItemID));
+    json_append_member(jsonObject, "menuType", json_mkstring(MenuTypeAsString[(int)menuType]));
+    if (data != NULL) {
+        json_append_member(jsonObject, "data", json_mkstring(data));
+    }
+    if (parentID != NULL) {
+        json_append_member(jsonObject, "parentID", json_mkstring(parentID));
+    }
+    const char *payload = json_encode(jsonObject);
+    json_delete(jsonObject);
+    const char *result = concat("MC", payload);
+    MEMFREE(payload);
+    return result;
+}
+
+// Callback for text menu items
+void menuItemCallback(id self, SEL cmd, id sender) {
+    MenuItemCallbackData *callbackData = (MenuItemCallbackData *)msg(msg(sender, s("representedObject")), s("pointerValue"));
+    const char *message;
+
+    // Update checkbox / radio item
+    if( callbackData->menuItemType == Checkbox) {
+        // Toggle state
+        bool state = msg(callbackData->menuItem, s("state"));
+        msg(callbackData->menuItem, s("setState:"), (state? NSControlStateValueOff : NSControlStateValueOn));
+    } else if( callbackData->menuItemType == Radio ) {
+        // Check the menu items' current state
+        bool selected = msg(callbackData->menuItem, s("state"));
+
+        // If it's already selected, exit early
+        if (selected) return;
+
+        // Get this item's radio group members and turn them off
+        id *members = (id*)hashmap_get(&(callbackData->menu->radioGroupMap), (char*)callbackData->menuID, strlen(callbackData->menuID));
+
+        // Uncheck all members of the group
+        id thisMember = members[0];
+        int count = 0;
+        while(thisMember != NULL) {
+            msg(thisMember, s("setState:"), NSControlStateValueOff);
+            count = count + 1;
+            thisMember = members[count];
+        }
+
+        // check the selected menu item
+        msg(callbackData->menuItem, s("setState:"), NSControlStateValueOn);
+    }
+
+    const char *menuID = callbackData->menuID;
+    const char *data = NULL;
+    enum MenuType menuType = callbackData->menu->menuType;
+    const char *parentID = NULL;
+
+    // Generate message to send to backend
+    if( menuType == ContextMenuType ) {
+        // Get the context menu data from the menu
+        ContextMenu* contextMenu = (ContextMenu*) callbackData->menu->parentData;
+        data = contextMenu->contextMenuData;
+        parentID = contextMenu->ID;
+    } else if ( menuType == TrayMenuType ) {
+        parentID = (const char*) callbackData->menu->parentData;
+    }
+
+    message = createMenuClickedMessage(menuID, data, menuType, parentID);
+
+    // Notify the backend
+    messageFromWindowCallback(message);
+    MEMFREE(message);
+}
+
+id processAcceleratorKey(const char *key) {
+
+    // Guard against no accelerator key
+    if( key == NULL ) {
+        return str("");
+    }
+
+    if( STREQ(key, "Backspace") ) {
+        return strunicode(0x0008);
+    }
+    if( STREQ(key, "Tab") ) {
+        return strunicode(0x0009);
+    }
+    if( STREQ(key, "Return") ) {
+        return strunicode(0x000d);
+    }
+    if( STREQ(key, "Escape") ) {
+        return strunicode(0x001b);
+    }
+    if( STREQ(key, "Left") ) {
+        return strunicode(0x001c);
+    }
+    if( STREQ(key, "Right") ) {
+        return strunicode(0x001d);
+    }
+    if( STREQ(key, "Up") ) {
+        return strunicode(0x001e);
+    }
+    if( STREQ(key, "Down") ) {
+        return strunicode(0x001f);
+    }
+    if( STREQ(key, "Space") ) {
+        return strunicode(0x0020);
+    }
+    if( STREQ(key, "Delete") ) {
+        return strunicode(0x007f);
+    }
+    if( STREQ(key, "Home") ) {
+        return strunicode(0x2196);
+    }
+    if( STREQ(key, "End") ) {
+        return strunicode(0x2198);
+    }
+    if( STREQ(key, "Page Up") ) {
+        return strunicode(0x21de);
+    }
+    if( STREQ(key, "Page Down") ) {
+        return strunicode(0x21df);
+    }
+    if( STREQ(key, "F1") ) {
+        return strunicode(0xf704);
+    }
+    if( STREQ(key, "F2") ) {
+        return strunicode(0xf705);
+    }
+    if( STREQ(key, "F3") ) {
+        return strunicode(0xf706);
+    }
+    if( STREQ(key, "F4") ) {
+        return strunicode(0xf707);
+    }
+    if( STREQ(key, "F5") ) {
+        return strunicode(0xf708);
+    }
+    if( STREQ(key, "F6") ) {
+        return strunicode(0xf709);
+    }
+    if( STREQ(key, "F7") ) {
+        return strunicode(0xf70a);
+    }
+    if( STREQ(key, "F8") ) {
+        return strunicode(0xf70b);
+    }
+    if( STREQ(key, "F9") ) {
+        return strunicode(0xf70c);
+    }
+    if( STREQ(key, "F10") ) {
+        return strunicode(0xf70d);
+    }
+    if( STREQ(key, "F11") ) {
+        return strunicode(0xf70e);
+    }
+    if( STREQ(key, "F12") ) {
+        return strunicode(0xf70f);
+    }
+    if( STREQ(key, "F13") ) {
+        return strunicode(0xf710);
+    }
+    if( STREQ(key, "F14") ) {
+        return strunicode(0xf711);
+    }
+    if( STREQ(key, "F15") ) {
+        return strunicode(0xf712);
+    }
+    if( STREQ(key, "F16") ) {
+        return strunicode(0xf713);
+    }
+    if( STREQ(key, "F17") ) {
+        return strunicode(0xf714);
+    }
+    if( STREQ(key, "F18") ) {
+        return strunicode(0xf715);
+    }
+    if( STREQ(key, "F19") ) {
+        return strunicode(0xf716);
+    }
+    if( STREQ(key, "F20") ) {
+        return strunicode(0xf717);
+    }
+    if( STREQ(key, "F21") ) {
+        return strunicode(0xf718);
+    }
+    if( STREQ(key, "F22") ) {
+        return strunicode(0xf719);
+    }
+    if( STREQ(key, "F23") ) {
+        return strunicode(0xf71a);
+    }
+    if( STREQ(key, "F24") ) {
+        return strunicode(0xf71b);
+    }
+    if( STREQ(key, "F25") ) {
+        return strunicode(0xf71c);
+    }
+    if( STREQ(key, "F26") ) {
+        return strunicode(0xf71d);
+    }
+    if( STREQ(key, "F27") ) {
+        return strunicode(0xf71e);
+    }
+    if( STREQ(key, "F28") ) {
+        return strunicode(0xf71f);
+    }
+    if( STREQ(key, "F29") ) {
+        return strunicode(0xf720);
+    }
+    if( STREQ(key, "F30") ) {
+        return strunicode(0xf721);
+    }
+    if( STREQ(key, "F31") ) {
+        return strunicode(0xf722);
+    }
+    if( STREQ(key, "F32") ) {
+        return strunicode(0xf723);
+    }
+    if( STREQ(key, "F33") ) {
+        return strunicode(0xf724);
+    }
+    if( STREQ(key, "F34") ) {
+        return strunicode(0xf725);
+    }
+    if( STREQ(key, "F35") ) {
+        return strunicode(0xf726);
+    }
+//  if( STREQ(key, "Insert") ) {
+//	return strunicode(0xf727);
+//  }
+//  if( STREQ(key, "PrintScreen") ) {
+//	return strunicode(0xf72e);
+//  }
+//  if( STREQ(key, "ScrollLock") ) {
+//	return strunicode(0xf72f);
+//  }
+    if( STREQ(key, "NumLock") ) {
+        return strunicode(0xf739);
+    }
+
+    return str(key);
+}
+
+
+void addSeparator(id menu) {
+    id item = msg(c("NSMenuItem"), s("separatorItem"));
+    msg(menu, s("addItem:"), item);
+}
+
+id createMenuItemNoAutorelease( id title, const char *action, const char *key) {
+    id item = ALLOC("NSMenuItem");
+    msg(item, s("initWithTitle:action:keyEquivalent:"), title, s(action), str(key));
+    return item;
+}
+
+id createMenuItem(id title, const char *action, const char *key) {
+    id item = ALLOC("NSMenuItem");
+    msg(item, s("initWithTitle:action:keyEquivalent:"), title, s(action), str(key));
+    msg(item, s("autorelease"));
+    return item;
+}
+
+id addMenuItem(id menu, const char *title, const char *action, const char *key, bool disabled) {
+    id item = createMenuItem(str(title), action, key);
+    msg(item, s("setEnabled:"), !disabled);
+    msg(menu, s("addItem:"), item);
+    return item;
+}
+
+id createMenu(id title) {
+    id menu = ALLOC("NSMenu");
+    msg(menu, s("initWithTitle:"), title);
+    msg(menu, s("setAutoenablesItems:"), NO);
+//  msg(menu, s("autorelease"));
+    return menu;
+}
+
+void createDefaultAppMenu(id parentMenu) {
+// App Menu
+    id appName = msg(msg(c("NSProcessInfo"), s("processInfo")), s("processName"));
+    id appMenuItem = createMenuItemNoAutorelease(appName, NULL, "");
+    id appMenu = createMenu(appName);
+
+    msg(appMenuItem, s("setSubmenu:"), appMenu);
+    msg(parentMenu, s("addItem:"), appMenuItem);
+
+    id title = msg(str("Hide "), s("stringByAppendingString:"), appName);
+    id item = createMenuItem(title, "hide:", "h");
+    msg(appMenu, s("addItem:"), item);
+
+    id hideOthers = addMenuItem(appMenu, "Hide Others", "hideOtherApplications:", "h", FALSE);
+    msg(hideOthers, s("setKeyEquivalentModifierMask:"), (NSEventModifierFlagOption | NSEventModifierFlagCommand));
+
+    addMenuItem(appMenu, "Show All", "unhideAllApplications:", "", FALSE);
+
+    addSeparator(appMenu);
+
+    title = msg(str("Quit "), s("stringByAppendingString:"), appName);
+    item = createMenuItem(title, "terminate:", "q");
+    msg(appMenu, s("addItem:"), item);
+}
+
+void createDefaultEditMenu(id parentMenu) {
+    // Edit Menu
+    id editMenuItem = createMenuItemNoAutorelease(str("Edit"), NULL, "");
+    id editMenu = createMenu(str("Edit"));
+
+    msg(editMenuItem, s("setSubmenu:"), editMenu);
+    msg(parentMenu, s("addItem:"), editMenuItem);
+
+    addMenuItem(editMenu, "Undo", "undo:", "z", FALSE);
+    addMenuItem(editMenu, "Redo", "redo:", "y", FALSE);
+    addSeparator(editMenu);
+    addMenuItem(editMenu, "Cut", "cut:", "x", FALSE);
+    addMenuItem(editMenu, "Copy", "copy:", "c", FALSE);
+    addMenuItem(editMenu, "Paste", "paste:", "v", FALSE);
+    addMenuItem(editMenu, "Select All", "selectAll:", "a", FALSE);
+}
+
+void processMenuRole(Menu *menu, id parentMenu, JsonNode *item) {
+    const char *roleName = item->string_;
+
+    if ( STREQ(roleName, "appMenu") ) {
+        createDefaultAppMenu(parentMenu);
+        return;
+    }
+    if ( STREQ(roleName, "editMenu")) {
+        createDefaultEditMenu(parentMenu);
+        return;
+    }
+    if ( STREQ(roleName, "hide")) {
+        addMenuItem(parentMenu, "Hide Window", "hide:", "h", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "hideothers")) {
+        id hideOthers = addMenuItem(parentMenu, "Hide Others", "hideOtherApplications:", "h", FALSE);
+        msg(hideOthers, s("setKeyEquivalentModifierMask:"), (NSEventModifierFlagOption | NSEventModifierFlagCommand));
+        return;
+    }
+    if ( STREQ(roleName, "unhide")) {
+        addMenuItem(parentMenu, "Show All", "unhideAllApplications:", "", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "front")) {
+        addMenuItem(parentMenu, "Bring All to Front", "arrangeInFront:", "", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "undo")) {
+        addMenuItem(parentMenu, "Undo", "undo:", "z", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "redo")) {
+        addMenuItem(parentMenu, "Redo", "redo:", "y", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "cut")) {
+        addMenuItem(parentMenu, "Cut", "cut:", "x", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "copy")) {
+        addMenuItem(parentMenu, "Copy", "copy:", "c", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "paste")) {
+        addMenuItem(parentMenu, "Paste", "paste:", "v", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "delete")) {
+        addMenuItem(parentMenu, "Delete", "delete:", "", FALSE);
+        return;
+    }
+    if( STREQ(roleName, "pasteandmatchstyle")) {
+        id pasteandmatchstyle = addMenuItem(parentMenu, "Paste and Match Style", "pasteandmatchstyle:", "v", FALSE);
+        msg(pasteandmatchstyle, s("setKeyEquivalentModifierMask:"), (NSEventModifierFlagOption | NSEventModifierFlagShift | NSEventModifierFlagCommand));
+    }
+    if ( STREQ(roleName, "selectall")) {
+        addMenuItem(parentMenu, "Select All", "selectAll:", "a", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "minimize")) {
+        addMenuItem(parentMenu, "Minimize", "miniaturize:", "m", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "zoom")) {
+        addMenuItem(parentMenu, "Zoom", "performZoom:", "", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "quit")) {
+        addMenuItem(parentMenu, "Quit (More work TBD)", "terminate:", "q", FALSE);
+        return;
+    }
+    if ( STREQ(roleName, "togglefullscreen")) {
+        addMenuItem(parentMenu, "Toggle Full Screen", "toggleFullScreen:", "f", FALSE);
+        return;
+    }
+
+}
+
+// This converts a string array of modifiers into the
+// equivalent MacOS Modifier Flags
+unsigned long parseModifiers(const char **modifiers) {
+
+    // Our result is a modifier flag list
+    unsigned long result = 0;
+
+    const char *thisModifier = modifiers[0];
+    int count = 0;
+    while( thisModifier != NULL ) {
+        // Determine flags
+        if( STREQ(thisModifier, "CmdOrCtrl") ) {
+            result |= NSEventModifierFlagCommand;
+        }
+        if( STREQ(thisModifier, "OptionOrAlt") ) {
+            result |= NSEventModifierFlagOption;
+        }
+        if( STREQ(thisModifier, "Shift") ) {
+            result |= NSEventModifierFlagShift;
+        }
+        if( STREQ(thisModifier, "Super") ) {
+            result |= NSEventModifierFlagCommand;
+        }
+        if( STREQ(thisModifier, "Control") ) {
+            result |= NSEventModifierFlagControl;
+        }
+        count++;
+        thisModifier = modifiers[count];
+    }
+    return result;
+}
+
+id processRadioMenuItem(Menu *menu, id parentmenu, const char *title, const char *menuid, bool disabled, bool checked, const char *acceleratorkey) {
+    id item = ALLOC("NSMenuItem");
+
+    // Store the item in the menu item map
+    hashmap_put(&menu->menuItemMap, (char*)menuid, strlen(menuid), item);
+
+    // Create a MenuItemCallbackData
+    MenuItemCallbackData *callback = CreateMenuItemCallbackData(menu, item, menuid, Radio);
+
+    id wrappedId = msg(c("NSValue"), s("valueWithPointer:"), callback);
+    msg(item, s("setRepresentedObject:"), wrappedId);
+
+    id key = processAcceleratorKey(acceleratorkey);
+
+    msg(item, s("initWithTitle:action:keyEquivalent:"), str(title), s("menuItemCallback:"), key);
+
+    msg(item, s("setEnabled:"), !disabled);
+    msg(item, s("autorelease"));
+    msg(item, s("setState:"), (checked ? NSControlStateValueOn : NSControlStateValueOff));
+
+    msg(parentmenu, s("addItem:"), item);
+    return item;
+
+}
+
+id processCheckboxMenuItem(Menu *menu, id parentmenu, const char *title, const char *menuid, bool disabled, bool checked, const char *key) {
+
+    id item = ALLOC("NSMenuItem");
+
+    // Store the item in the menu item map
+    hashmap_put(&menu->menuItemMap, (char*)menuid, strlen(menuid), item);
+
+    // Create a MenuItemCallbackData
+    MenuItemCallbackData *callback = CreateMenuItemCallbackData(menu, item, menuid, Checkbox);
+
+    id wrappedId = msg(c("NSValue"), s("valueWithPointer:"), callback);
+    msg(item, s("setRepresentedObject:"), wrappedId);
+    msg(item, s("initWithTitle:action:keyEquivalent:"), str(title), s("menuItemCallback:"), str(key));
+    msg(item, s("setEnabled:"), !disabled);
+    msg(item, s("autorelease"));
+    msg(item, s("setState:"), (checked ? NSControlStateValueOn : NSControlStateValueOff));
+    msg(parentmenu, s("addItem:"), item);
+    return item;
+}
+
+id processTextMenuItem(Menu *menu, id parentMenu, const char *title, const char *menuid, bool disabled, const char *acceleratorkey, const char **modifiers, const char* tooltip, const char* image, const char* fontName, int fontSize, const char* RGBA) {
+    id item = ALLOC("NSMenuItem");
+
+    // Create a MenuItemCallbackData
+    MenuItemCallbackData *callback = CreateMenuItemCallbackData(menu, item, menuid, Text);
+
+    id wrappedId = msg(c("NSValue"), s("valueWithPointer:"), callback);
+    msg(item, s("setRepresentedObject:"), wrappedId);
+
+    id key = processAcceleratorKey(acceleratorkey);
+    msg(item, s("initWithTitle:action:keyEquivalent:"), str(title),
+        s("menuItemCallback:"), key);
+
+    if( tooltip != NULL ) {
+        msg(item, s("setToolTip:"), str(tooltip));
+    }
+
+    // Process image
+    if( image != NULL && strlen(image) > 0) {
+        id data = ALLOC("NSData");
+        id imageData = msg(data, s("initWithBase64EncodedString:options:"), str(image), 0);
+        id nsimage = ALLOC("NSImage");
+        msg(nsimage, s("initWithData:"), imageData);
+        msg(item, s("setImage:"), nsimage);
+    }
+
+    // Process Menu Item attributes
+    id dictionary = ALLOC_INIT("NSMutableDictionary");
+
+    // Process font
+    id font;
+    CGFloat fontSizeFloat = (CGFloat)fontSize;
+
+    // Check if valid
+    id fontNameAsNSString = str(fontName);
+    id fontsOnSystem = msg(msg(c("NSFontManager"), s("sharedFontManager")), s("availableFonts"));
+    bool valid = msg(fontsOnSystem, s("containsObject:"), fontNameAsNSString);
+    if( valid ) {
+        font = msg(c("NSFont"), s("fontWithName:size:"), fontNameAsNSString, fontSizeFloat);
+    } else {
+        bool supportsMonospacedDigitSystemFont = (bool) msg(c("NSFont"), s("respondsToSelector:"), s("monospacedDigitSystemFontOfSize:weight:"));
+        if( supportsMonospacedDigitSystemFont ) {
+            font = msg(c("NSFont"), s("monospacedDigitSystemFontOfSize:weight:"), fontSizeFloat, NSFontWeightRegular);
+        } else {
+            font = msg(c("NSFont"), s("menuFontOfSize:"), fontSizeFloat);
+        }
+    }
+
+    // Add font to dictionary
+    msg(dictionary, s("setObject:forKey:"), font, lookupStringConstant(str("NSFontAttributeName")));
+
+    // Add offset to dictionary
+    id offset = msg(c("NSNumber"), s("numberWithFloat:"), 0.0);
+    msg(dictionary, s("setObject:forKey:"), offset, lookupStringConstant(str("NSBaselineOffsetAttributeName")));
+
+    // RGBA
+    if( RGBA != NULL && strlen(RGBA) > 0) {
+        unsigned short r, g, b, a;
+
+        // white by default
+        r = g = b = a = 255;
+        int count = sscanf(RGBA, "#%02hx%02hx%02hx%02hx", &r, &g, &b, &a);
+        if (count > 0) {
+			id colour = msg(c("NSColor"), s("colorWithCalibratedRed:green:blue:alpha:"),
+								(float)r / 255.0,
+								(float)g / 255.0,
+								(float)b / 255.0,
+								(float)a / 255.0);
+            msg(dictionary, s("setObject:forKey:"), colour, lookupStringConstant(str("NSForegroundColorAttributeName")));
+            msg(colour, s("release"));
+        }
+    }
+
+    id attributedString = ALLOC("NSMutableAttributedString");
+    msg(attributedString, s("initWithString:attributes:"), str(title), dictionary);
+    msg(dictionary, s("release"));
+
+    msg(item, s("setAttributedTitle:"), attributedString);
+    msg(attributedString, s("autorelease"));
+
+    msg(item, s("setEnabled:"), !disabled);
+    msg(item, s("autorelease"));
+
+    // Process modifiers
+    if( modifiers != NULL ) {
+        unsigned long modifierFlags = parseModifiers(modifiers);
+        msg(item, s("setKeyEquivalentModifierMask:"), modifierFlags);
+    }
+    msg(parentMenu, s("addItem:"), item);
+
+    return item;
+}
+
+void processMenuItem(Menu *menu, id parentMenu, JsonNode *item) {
+
+    // Check if this item is hidden and if so, exit early!
+    bool hidden = false;
+    getJSONBool(item, "Hidden", &hidden);
+    if( hidden ) {
+        return;
+    }
+
+    // Get the role
+    JsonNode *role = json_find_member(item, "Role");
+    if( role != NULL ) {
+        processMenuRole(menu, parentMenu, role);
+        return;
+    }
+
+    // Check if this is a submenu
+    JsonNode *submenu = json_find_member(item, "SubMenu");
+    if( submenu != NULL ) {
+        // Get the label
+        JsonNode *menuNameNode = json_find_member(item, "Label");
+        const char *name = "";
+        if ( menuNameNode != NULL) {
+            name = menuNameNode->string_;
+        }
+
+        id thisMenuItem = createMenuItemNoAutorelease(str(name), NULL, "");
+        id thisMenu = createMenu(str(name));
+
+        msg(thisMenuItem, s("setSubmenu:"), thisMenu);
+        msg(parentMenu, s("addItem:"), thisMenuItem);
+
+        JsonNode *submenuItems = json_find_member(submenu, "Items");
+        // If we have no items, just return
+        if ( submenuItems == NULL ) {
+            return;
+        }
+
+        // Loop over submenu items
+        JsonNode *item;
+        json_foreach(item, submenuItems) {
+            // Get item label
+            processMenuItem(menu, thisMenu, item);
+        }
+
+        return;
+    }
+
+    // This is a user menu. Get the common data
+    // Get the label
+    const char *label = getJSONString(item, "Label");
+    if ( label == NULL) {
+        label = "(empty)";
+    }
+
+    const char *menuid = getJSONString(item, "ID");
+    if ( menuid == NULL) {
+        menuid = "";
+    }
+
+    bool disabled = false;
+    getJSONBool(item, "Disabled", &disabled);
+
+    // Get the Accelerator
+    JsonNode *accelerator = json_find_member(item, "Accelerator");
+    const char *acceleratorkey = NULL;
+    const char **modifiers = NULL;
+
+    const char *tooltip = getJSONString(item, "Tooltip");
+    const char *image = getJSONString(item, "Image");
+    const char *fontName = getJSONString(item, "FontName");
+    const char *RGBA = getJSONString(item, "RGBA");
+    int fontSize = 12;
+    getJSONInt(item, "FontSize", &fontSize);
+
+    // If we have an accelerator
+    if( accelerator != NULL ) {
+        // Get the key
+        acceleratorkey = getJSONString(accelerator, "Key");
+        // Check if there are modifiers
+        JsonNode *modifiersList = json_find_member(accelerator, "Modifiers");
+        if ( modifiersList != NULL ) {
+            // Allocate an array of strings
+            int noOfModifiers = json_array_length(modifiersList);
+
+            // Do we have any?
+            if (noOfModifiers > 0) {
+                modifiers = malloc(sizeof(const char *) * (noOfModifiers + 1));
+                JsonNode *modifier;
+                int count = 0;
+                // Iterate the modifiers and save a reference to them in our new array
+                json_foreach(modifier, modifiersList) {
+                    // Get modifier name
+                    modifiers[count] = modifier->string_;
+                    count++;
+                }
+                // Null terminate the modifier list
+                modifiers[count] = NULL;
+            }
+        }
+    }
+
+    // Get the Type
+    JsonNode *type = json_find_member(item, "Type");
+    if( type != NULL ) {
+
+        if( STREQ(type->string_, "Text")) {
+            processTextMenuItem(menu, parentMenu, label, menuid, disabled, acceleratorkey, modifiers, tooltip, image, fontName, fontSize, RGBA);
+        }
+        else if ( STREQ(type->string_, "Separator")) {
+            addSeparator(parentMenu);
+        }
+        else if ( STREQ(type->string_, "Checkbox")) {
+            // Get checked state
+            bool checked = false;
+            getJSONBool(item, "Checked", &checked);
+
+            processCheckboxMenuItem(menu, parentMenu, label, menuid, disabled, checked, "");
+        }
+        else if ( STREQ(type->string_, "Radio")) {
+            // Get checked state
+            bool checked = false;
+            getJSONBool(item, "Checked", &checked);
+
+            processRadioMenuItem(menu, parentMenu, label, menuid, disabled, checked, "");
+        }
+
+    }
+
+    if ( modifiers != NULL ) {
+        free(modifiers);
+    }
+
+    return;
+}
+
+void processMenuData(Menu *menu, JsonNode *menuData) {
+    JsonNode *items = json_find_member(menuData, "Items");
+    if( items == NULL ) {
+        // Parse error!
+        ABORT("Unable to find 'Items' in menu JSON!");
+    }
+
+    // Iterate items
+    JsonNode *item;
+    json_foreach(item, items) {
+        // Process each menu item
+        processMenuItem(menu, menu->menu, item);
+    }
+}
+
+void processRadioGroupJSON(Menu *menu, JsonNode *radioGroup) {
+
+    int groupLength;
+    getJSONInt(radioGroup, "Length", &groupLength);
+    JsonNode *members = json_find_member(radioGroup, "Members");
+    JsonNode *member;
+
+    // Allocate array
+    size_t arrayLength = sizeof(id)*(groupLength+1);
+    id memberList[arrayLength];
+
+    // Build the radio group items
+    int count=0;
+    json_foreach(member, members) {
+        // Get menu by id
+        id menuItem = (id)hashmap_get(&menu->menuItemMap, (char*)member->string_, strlen(member->string_));
+        // Save Member
+        memberList[count] = menuItem;
+        count = count + 1;
+    }
+    // Null terminate array
+    memberList[groupLength] = 0;
+
+    // Store the members
+    json_foreach(member, members) {
+        // Copy the memberList
+        char *newMemberList = (char *)malloc(arrayLength);
+        memcpy(newMemberList, memberList, arrayLength);
+        // add group to each member of group
+        hashmap_put(&menu->radioGroupMap, member->string_, strlen(member->string_), newMemberList);
+    }
+
+}
+
+id GetMenu(Menu *menu) {
+
+    // Pull out the menu data
+    JsonNode *menuData = json_find_member(menu->processedMenu, "Menu");
+    if( menuData == NULL ) {
+        ABORT("Unable to find Menu data: %s", menu->processedMenu);
+    }
+
+    menu->menu = createMenu(str(""));
+
+    // Process the menu data
+    processMenuData(menu, menuData);
+
+    // Create the radiogroup cache
+    JsonNode *radioGroups = json_find_member(menu->processedMenu, "RadioGroups");
+    if( radioGroups == NULL ) {
+        // Parse error!
+        ABORT("Unable to find RadioGroups data: %s", menu->processedMenu);
+    }
+
+    // Iterate radio groups
+    JsonNode *radioGroup;
+    json_foreach(radioGroup, radioGroups) {
+        // Get item label
+        processRadioGroupJSON(menu, radioGroup);
+    }
+
+    return menu->menu;
+}
+

v2/internal/ffenestri/menu_darwin.h

@@ -0,0 +1,114 @@
+//
+// Created by Lea Anthony on 6/1/21.
+//
+
+#ifndef MENU_DARWIN_H
+#define MENU_DARWIN_H
+
+#include "common.h"
+#include "ffenestri_darwin.h"
+
+enum MenuItemType {Text = 0, Checkbox = 1, Radio = 2};
+enum MenuType {ApplicationMenuType = 0, ContextMenuType = 1, TrayMenuType = 2};
+static const char *MenuTypeAsString[] = {
+        "ApplicationMenu", "ContextMenu", "TrayMenu",
+};
+
+typedef struct _NSRange {
+    unsigned long location;
+    unsigned long length;
+} NSRange;
+
+#define NSFontWeightUltraLight -0.8
+#define NSFontWeightThin -0.6
+#define NSFontWeightLight -0.4
+#define NSFontWeightRegular 0.0
+#define NSFontWeightMedium 0.23
+#define NSFontWeightSemibold 0.3
+#define NSFontWeightBold 0.4
+#define NSFontWeightHeavy 0.56
+#define NSFontWeightBlack 0.62
+
+extern void messageFromWindowCallback(const char *);
+
+typedef struct {
+
+    const char *title;
+
+    /*** Internal ***/
+
+    // The decoded version of the Menu JSON
+    JsonNode *processedMenu;
+
+    struct hashmap_s menuItemMap;
+    struct hashmap_s radioGroupMap;
+
+    // Vector to keep track of callback data memory
+    vec_void_t callbackDataCache;
+
+    // The NSMenu for this menu
+    id menu;
+
+    // The parent data, eg ContextMenuStore or Tray
+    void *parentData;
+
+    // The commands for the menu callbacks
+    const char *callbackCommand;
+
+    // This indicates if we are an Application Menu, tray menu or context menu
+    enum MenuType menuType;
+
+
+} Menu;
+
+
+typedef struct {
+    id menuItem;
+    Menu *menu;
+    const char *menuID;
+    enum MenuItemType menuItemType;
+} MenuItemCallbackData;
+
+
+
+// NewMenu creates a new Menu struct, saving the given menu structure as JSON
+Menu* NewMenu(JsonNode *menuData);
+
+Menu* NewApplicationMenu(const char *menuAsJSON);
+MenuItemCallbackData* CreateMenuItemCallbackData(Menu *menu, id menuItem, const char *menuID, enum MenuItemType menuItemType);
+
+void DeleteMenu(Menu *menu);
+
+// Creates a JSON message for the given menuItemID and data
+const char* createMenuClickedMessage(const char *menuItemID, const char *data, enum MenuType menuType, const char *parentID);
+// Callback for text menu items
+void menuItemCallback(id self, SEL cmd, id sender);
+id processAcceleratorKey(const char *key);
+
+
+void addSeparator(id menu);
+id createMenuItemNoAutorelease( id title, const char *action, const char *key);
+
+id createMenuItem(id title, const char *action, const char *key);
+
+id addMenuItem(id menu, const char *title, const char *action, const char *key, bool disabled);
+
+id createMenu(id title);
+void createDefaultAppMenu(id parentMenu);
+void createDefaultEditMenu(id parentMenu);
+
+void processMenuRole(Menu *menu, id parentMenu, JsonNode *item);
+// This converts a string array of modifiers into the
+// equivalent MacOS Modifier Flags
+unsigned long parseModifiers(const char **modifiers);
+id processRadioMenuItem(Menu *menu, id parentmenu, const char *title, const char *menuid, bool disabled, bool checked, const char *acceleratorkey);
+
+id processCheckboxMenuItem(Menu *menu, id parentmenu, const char *title, const char *menuid, bool disabled, bool checked, const char *key);
+
+id processTextMenuItem(Menu *menu, id parentMenu, const char *title, const char *menuid, bool disabled, const char *acceleratorkey, const char **modifiers, const char* tooltip, const char* image, const char* fontName, int fontSize, const char* RGBA);
+void processMenuItem(Menu *menu, id parentMenu, JsonNode *item);
+void processMenuData(Menu *menu, JsonNode *menuData);
+
+void processRadioGroupJSON(Menu *menu, JsonNode *radioGroup) ;
+id GetMenu(Menu *menu);
+#endif //ASSETS_C_MENU_DARWIN_H

v2/internal/ffenestri/traymenu_darwin.c

@@ -0,0 +1,202 @@
+//
+// Created by Lea Anthony on 12/1/21.
+//
+
+#include "common.h"
+#include "traymenu_darwin.h"
+#include "trayicons.h"
+
+// A cache for all our tray menu icons
+// Global because it's a singleton
+struct hashmap_s trayIconCache;
+
+TrayMenu* NewTrayMenu(const char* menuJSON) {
+    TrayMenu* result = malloc(sizeof(TrayMenu));
+
+/*
+ {"ID":"0","Label":"Test Tray Label","Icon":"","ProcessedMenu":{"Menu":{"Items":[{"ID":"0","Label":"Show Window","Type":"Text","Disabled":false,"Hidden":false,"Checked":false,"Foreground":0,"Background":0},{"ID":"1","Label":"Hide Window","Type":"Text","Disabled":false,"Hidden":false,"Checked":false,"Foreground":0,"Background":0},{"ID":"2","Label":"Minimise Window","Type":"Text","Disabled":false,"Hidden":false,"Checked":false,"Foreground":0,"Background":0},{"ID":"3","Label":"Unminimise Window","Type":"Text","Disabled":false,"Hidden":false,"Checked":false,"Foreground":0,"Background":0}]},"RadioGroups":null}}
+*/
+    JsonNode* processedJSON = json_decode(menuJSON);
+    if( processedJSON == NULL ) {
+        ABORT("[NewTrayMenu] Unable to parse TrayMenu JSON: %s", menuJSON);
+    }
+
+    // Save reference to this json
+    result->processedJSON = processedJSON;
+
+    // TODO: Make this configurable
+    result->trayIconPosition = NSImageLeft;
+
+    result->ID = mustJSONString(processedJSON, "ID");
+    result->label = mustJSONString(processedJSON, "Label");
+    result->icon = mustJSONString(processedJSON, "Icon");
+    JsonNode* processedMenu = mustJSONObject(processedJSON, "ProcessedMenu");
+
+    // Create the menu
+    result->menu = NewMenu(processedMenu);
+
+    // Init tray status bar item
+    result->statusbaritem = NULL;
+
+    // Set the menu type and store the tray ID in the parent data
+    result->menu->menuType = TrayMenuType;
+    result->menu->parentData = (void*) result->ID;
+
+    return result;
+}
+
+void DumpTrayMenu(TrayMenu* trayMenu) {
+    printf("    ['%s':%p] = { label: '%s', icon: '%s', menu: %p, statusbar: %p  }\n", trayMenu->ID, trayMenu, trayMenu->label, trayMenu->icon, trayMenu->menu, trayMenu->statusbaritem );
+}
+
+
+void UpdateTrayLabel(TrayMenu *trayMenu, const char *label) {
+
+    // Exit early if NULL
+    if( trayMenu->label == NULL ) {
+        return;
+    }
+    // Update button label
+    id statusBarButton = msg(trayMenu->statusbaritem, s("button"));
+    msg(statusBarButton, s("setTitle:"), str(label));
+}
+
+void UpdateTrayIcon(TrayMenu *trayMenu) {
+
+    // Exit early if NULL
+    if( trayMenu->icon == NULL ) {
+        return;
+    }
+
+    id statusBarButton = msg(trayMenu->statusbaritem, s("button"));
+
+    // Empty icon means remove it
+    if( STREMPTY(trayMenu->icon) ) {
+        // Remove image
+        msg(statusBarButton, s("setImage:"), NULL);
+        return;
+    }
+
+    id trayImage = hashmap_get(&trayIconCache, trayMenu->icon, strlen(trayMenu->icon));
+    msg(statusBarButton, s("setImagePosition:"), trayMenu->trayIconPosition);
+    msg(statusBarButton, s("setImage:"), trayImage);
+}
+
+
+
+void ShowTrayMenu(TrayMenu* trayMenu) {
+
+    // Create a status bar item if we don't have one
+    if( trayMenu->statusbaritem == NULL ) {
+        id statusBar = msg( c("NSStatusBar"), s("systemStatusBar") );
+        trayMenu->statusbaritem = msg(statusBar, s("statusItemWithLength:"), NSVariableStatusItemLength);
+        msg(trayMenu->statusbaritem, s("retain"));
+
+    }
+
+    id statusBarButton = msg(trayMenu->statusbaritem, s("button"));
+    msg(statusBarButton, s("setImagePosition:"), trayMenu->trayIconPosition);
+
+    // Update the icon if needed
+    UpdateTrayIcon(trayMenu);
+
+    // Update the label if needed
+    UpdateTrayLabel(trayMenu, trayMenu->label);
+
+    // Update the menu
+    id menu = GetMenu(trayMenu->menu);
+    msg(trayMenu->statusbaritem, s("setMenu:"), menu);
+}
+
+// UpdateTrayMenuInPlace receives 2 menus. The current menu gets
+// updated with the data from the new menu.
+void UpdateTrayMenuInPlace(TrayMenu* currentMenu, TrayMenu* newMenu) {
+
+    // Delete the old menu
+    DeleteMenu(currentMenu->menu);
+
+    // Set the new one
+    currentMenu->menu = newMenu->menu;
+
+    // Delete the old JSON
+    json_delete(currentMenu->processedJSON);
+
+    // Set the new JSON
+    currentMenu->processedJSON = newMenu->processedJSON;
+
+    // Copy the other data
+    currentMenu->ID = newMenu->ID;
+    currentMenu->label = newMenu->label;
+    currentMenu->trayIconPosition = newMenu->trayIconPosition;
+    currentMenu->icon = newMenu->icon;
+
+}
+
+void DeleteTrayMenu(TrayMenu* trayMenu) {
+
+//    printf("Freeing TrayMenu:\n");
+//    DumpTrayMenu(trayMenu);
+
+    // Delete the menu
+    DeleteMenu(trayMenu->menu);
+
+    // Free JSON
+    if (trayMenu->processedJSON != NULL ) {
+        json_delete(trayMenu->processedJSON);
+    }
+
+    // Free the status item
+    if ( trayMenu->statusbaritem != NULL ) {
+        id statusBar = msg( c("NSStatusBar"), s("systemStatusBar") );
+        msg(statusBar, s("removeStatusItem:"), trayMenu->statusbaritem);
+        msg(trayMenu->statusbaritem, s("release"));
+        trayMenu->statusbaritem = NULL;
+    }
+
+    // Free the tray menu memory
+    MEMFREE(trayMenu);
+}
+
+void LoadTrayIcons() {
+
+    // Allocate the Tray Icons
+    if( 0 != hashmap_create((const unsigned)4, &trayIconCache)) {
+        // Couldn't allocate map
+        ABORT("Not enough memory to allocate trayIconCache!");
+    }
+
+    unsigned int count = 0;
+    while( 1 ) {
+        const unsigned char *name = trayIcons[count++];
+        if( name == 0x00 ) {
+            break;
+        }
+        const unsigned char *lengthAsString = trayIcons[count++];
+        if( name == 0x00 ) {
+            break;
+        }
+        const unsigned char *data = trayIcons[count++];
+        if( data == 0x00 ) {
+            break;
+        }
+        int length = atoi((const char *)lengthAsString);
+
+        // Create the icon and add to the hashmap
+        id imageData = msg(c("NSData"), s("dataWithBytes:length:"), data, length);
+        id trayImage = ALLOC("NSImage");
+        msg(trayImage, s("initWithData:"), imageData);
+        hashmap_put(&trayIconCache, (const char *)name, strlen((const char *)name), trayImage);
+    }
+}
+
+void UnloadTrayIcons() {
+    // Release the tray cache images
+    if( hashmap_num_entries(&trayIconCache) > 0 ) {
+        if (0!=hashmap_iterate_pairs(&trayIconCache, releaseNSObject, NULL)) {
+            ABORT("failed to release hashmap entries!");
+        }
+    }
+
+    //Free radio groups hashmap
+    hashmap_destroy(&trayIconCache);
+}

v2/internal/ffenestri/traymenu_darwin.h

@@ -0,0 +1,38 @@
+//
+// Created by Lea Anthony on 12/1/21.
+//
+
+#ifndef TRAYMENU_DARWIN_H
+#define TRAYMENU_DARWIN_H
+
+#include "common.h"
+#include "menu_darwin.h"
+
+typedef struct {
+
+    const char *label;
+    const char *icon;
+    const char *ID;
+
+    Menu* menu;
+
+    id statusbaritem;
+    int trayIconPosition;
+
+    JsonNode* processedJSON;
+
+} TrayMenu;
+
+TrayMenu* NewTrayMenu(const char *trayJSON);
+void DumpTrayMenu(TrayMenu* trayMenu);
+void ShowTrayMenu(TrayMenu* trayMenu);
+void UpdateTrayMenuInPlace(TrayMenu* currentMenu, TrayMenu* newMenu);
+void UpdateTrayIcon(TrayMenu *trayMenu);
+void UpdateTrayLabel(TrayMenu *trayMenu, const char*);
+
+void LoadTrayIcons();
+void UnloadTrayIcons();
+
+void DeleteTrayMenu(TrayMenu* trayMenu);
+
+#endif //TRAYMENU_DARWIN_H

v2/internal/ffenestri/traymenustore_darwin.c

@@ -0,0 +1,133 @@
+//
+// Created by Lea Anthony on 12/1/21.
+//
+
+#include "common.h"
+#include "traymenustore_darwin.h"
+#include "traymenu_darwin.h"
+#include <stdlib.h>
+
+TrayMenuStore* NewTrayMenuStore() {
+
+    TrayMenuStore* result = malloc(sizeof(TrayMenuStore));
+
+    // Allocate Tray Menu Store
+    if( 0 != hashmap_create((const unsigned)4, &result->trayMenuMap)) {
+        ABORT("[NewTrayMenuStore] Not enough memory to allocate trayMenuMap!");
+    }
+
+    return result;
+}
+
+int dumpTrayMenu(void *const context, struct hashmap_element_s *const e) {
+    DumpTrayMenu(e->data);
+    return 0;
+}
+
+void DumpTrayMenuStore(TrayMenuStore* store) {
+    hashmap_iterate_pairs(&store->trayMenuMap, dumpTrayMenu, NULL);
+}
+
+void AddTrayMenuToStore(TrayMenuStore* store, const char* menuJSON) {
+    TrayMenu* newMenu = NewTrayMenu(menuJSON);
+
+    //TODO: check if there is already an entry for this menu
+    hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+
+}
+
+int showTrayMenu(void *const context, struct hashmap_element_s *const e) {
+    ShowTrayMenu(e->data);
+    // 0 to retain element, -1 to delete.
+    return 0;
+}
+
+void ShowTrayMenusInStore(TrayMenuStore* store) {
+    if( hashmap_num_entries(&store->trayMenuMap) > 0 ) {
+        hashmap_iterate_pairs(&store->trayMenuMap, showTrayMenu, NULL);
+    }
+}
+
+
+int freeTrayMenu(void *const context, struct hashmap_element_s *const e) {
+    DeleteTrayMenu(e->data);
+    return -1;
+}
+
+void DeleteTrayMenuStore(TrayMenuStore *store) {
+
+    // Delete context menus
+    if (hashmap_num_entries(&store->trayMenuMap) > 0) {
+        if (0 != hashmap_iterate_pairs(&store->trayMenuMap, freeTrayMenu, NULL)) {
+            ABORT("[DeleteContextMenuStore] Failed to release contextMenuStore entries!");
+        }
+    }
+
+    // Destroy tray menu map
+    hashmap_destroy(&store->trayMenuMap);
+}
+
+TrayMenu* GetTrayMenuFromStore(TrayMenuStore* store, const char* menuID) {
+    // Get the current menu
+    return hashmap_get(&store->trayMenuMap, menuID, strlen(menuID));
+}
+
+TrayMenu* MustGetTrayMenuFromStore(TrayMenuStore* store, const char* menuID) {
+    // Get the current menu
+    TrayMenu* result = hashmap_get(&store->trayMenuMap, menuID, strlen(menuID));
+    if (result == NULL ) {
+        ABORT("Unable to find TrayMenu with ID '%s' in the TrayMenuStore!", menuID);
+    }
+    return result;
+}
+
+void UpdateTrayMenuLabelInStore(TrayMenuStore* store, const char* JSON) {
+    // Parse the JSON
+    JsonNode *parsedUpdate = mustParseJSON(JSON);
+
+    // Get the data out
+    const char* ID = mustJSONString(parsedUpdate, "ID");
+    const char* Label = mustJSONString(parsedUpdate, "Label");
+
+    // Check we have this menu
+    TrayMenu *menu = MustGetTrayMenuFromStore(store, ID);
+    UpdateTrayLabel(menu, Label);
+
+}
+
+void UpdateTrayMenuInStore(TrayMenuStore* store, const char* menuJSON) {
+    TrayMenu* newMenu = NewTrayMenu(menuJSON);
+//    DumpTrayMenu(newMenu);
+
+    // Get the current menu
+    TrayMenu *currentMenu = GetTrayMenuFromStore(store, newMenu->ID);
+
+    // If we don't have a menu, we create one
+    if ( currentMenu == NULL ) {
+        // Store the new menu
+        hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+
+        // Show it
+        ShowTrayMenu(newMenu);
+        return;
+    }
+//    DumpTrayMenu(currentMenu);
+
+    // Save the status bar reference
+    newMenu->statusbaritem = currentMenu->statusbaritem;
+
+    hashmap_remove(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID));
+
+    // Delete the current menu
+    DeleteMenu(currentMenu->menu);
+    currentMenu->menu = NULL;
+
+    // Free the tray menu memory
+    MEMFREE(currentMenu);
+
+    hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+
+    // Show the updated menu
+    ShowTrayMenu(newMenu);
+
+}

v2/internal/ffenestri/traymenustore_darwin.h

@@ -0,0 +1,27 @@
+//
+// Created by Lea Anthony on 7/1/21.
+//
+
+#ifndef TRAYMENUSTORE_DARWIN_H
+#define TRAYMENUSTORE_DARWIN_H
+
+typedef struct {
+
+	int dummy;
+
+    // This is our tray menu map
+    // It maps tray IDs to TrayMenu*
+    struct hashmap_s trayMenuMap;
+
+} TrayMenuStore;
+
+TrayMenuStore* NewTrayMenuStore();
+
+void AddTrayMenuToStore(TrayMenuStore* store, const char* menuJSON);
+void UpdateTrayMenuInStore(TrayMenuStore* store, const char* menuJSON);
+void ShowTrayMenusInStore(TrayMenuStore* store);
+void DeleteTrayMenuStore(TrayMenuStore* store);
+
+void UpdateTrayMenuLabelInStore(TrayMenuStore* store, const char* JSON);
+
+#endif //TRAYMENUSTORE_DARWIN_H

v2/internal/github/github.go

@@ -0,0 +1,103 @@
+package github
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"sort"
+	"strings"
+)
+
+// GetVersionTags gets the list of tags on the Wails repo
+// It returns a list of sorted tags in descending order
+func GetVersionTags() ([]*SemanticVersion, error) {
+
+	result := []*SemanticVersion{}
+	var err error
+
+	resp, err := http.Get("https://api.github.com/repos/wailsapp/wails/tags")
+	if err != nil {
+		return result, err
+	}
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return result, err
+	}
+
+	data := []map[string]interface{}{}
+	err = json.Unmarshal(body, &data)
+	if err != nil {
+		return result, err
+	}
+
+	// Convert tag data to Version structs
+	for _, tag := range data {
+		version := tag["name"].(string)
+		if !strings.HasPrefix(version, "v2") {
+			continue
+		}
+		semver, err := NewSemanticVersion(version)
+		if err != nil {
+			return result, err
+		}
+		result = append(result, semver)
+	}
+
+	// Reverse Sort
+	sort.Sort(sort.Reverse(SemverCollection(result)))
+
+	return result, err
+}
+
+// GetLatestStableRelease gets the latest stable release on GitHub
+func GetLatestStableRelease() (result *SemanticVersion, err error) {
+
+	tags, err := GetVersionTags()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, tag := range tags {
+		if tag.IsRelease() {
+			return tag, nil
+		}
+	}
+
+	return nil, fmt.Errorf("no release tag found")
+}
+
+// GetLatestPreRelease gets the latest prerelease on GitHub
+func GetLatestPreRelease() (result *SemanticVersion, err error) {
+
+	tags, err := GetVersionTags()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, tag := range tags {
+		if tag.IsPreRelease() {
+			return tag, nil
+		}
+	}
+
+	return nil, fmt.Errorf("no prerelease tag found")
+}
+
+// IsValidTag returns true if the given string is a valid tag
+func IsValidTag(tagVersion string) (bool, error) {
+	if tagVersion[0] == 'v' {
+		tagVersion = tagVersion[1:]
+	}
+	tags, err := GetVersionTags()
+	if err != nil {
+		return false, err
+	}
+
+	for _, tag := range tags {
+		if tag.String() == tagVersion {
+			return true, nil
+		}
+	}
+	return false, nil
+}

v2/internal/github/semver.go

@@ -0,0 +1,106 @@
+package github
+
+import (
+	"fmt"
+
+	"github.com/Masterminds/semver"
+)
+
+// SemanticVersion is a struct containing a semantic version
+type SemanticVersion struct {
+	Version *semver.Version
+}
+
+// NewSemanticVersion creates a new SemanticVersion object with the given version string
+func NewSemanticVersion(version string) (*SemanticVersion, error) {
+	semverVersion, err := semver.NewVersion(version)
+	if err != nil {
+		return nil, err
+	}
+	return &SemanticVersion{
+		Version: semverVersion,
+	}, nil
+}
+
+// IsRelease returns true if it's a release version
+func (s *SemanticVersion) IsRelease() bool {
+	// Limit to v2
+	if s.Version.Major() != 2 {
+		return false
+	}
+	return len(s.Version.Prerelease()) == 0 && len(s.Version.Metadata()) == 0
+}
+
+// IsPreRelease returns true if it's a prerelease version
+func (s *SemanticVersion) IsPreRelease() bool {
+	// Limit to v1
+	if s.Version.Major() != 2 {
+		return false
+	}
+	return len(s.Version.Prerelease()) > 0
+}
+
+func (s *SemanticVersion) String() string {
+	return s.Version.String()
+}
+
+// IsGreaterThan returns true if this version is greater than the given version
+func (s *SemanticVersion) IsGreaterThan(version *SemanticVersion) (bool, error) {
+	// Set up new constraint
+	constraint, err := semver.NewConstraint("> " + version.Version.String())
+	if err != nil {
+		return false, err
+	}
+
+	// Check if the desired one is greater than the requested on
+	success, msgs := constraint.Validate(s.Version)
+	if !success {
+		return false, msgs[0]
+	}
+	return true, nil
+}
+
+// IsGreaterThanOrEqual returns true if this version is greater than or equal the given version
+func (s *SemanticVersion) IsGreaterThanOrEqual(version *SemanticVersion) (bool, error) {
+	// Set up new constraint
+	constraint, err := semver.NewConstraint(">= " + version.Version.String())
+	if err != nil {
+		return false, err
+	}
+
+	// Check if the desired one is greater than the requested on
+	success, msgs := constraint.Validate(s.Version)
+	if !success {
+		return false, msgs[0]
+	}
+	return true, nil
+}
+
+// MainVersion returns the main version of any version+prerelease+metadata
+// EG: MainVersion("1.2.3-pre") => "1.2.3"
+func (s *SemanticVersion) MainVersion() *SemanticVersion {
+	mainVersion := fmt.Sprintf("%d.%d.%d", s.Version.Major(), s.Version.Minor(), s.Version.Patch())
+	result, _ := NewSemanticVersion(mainVersion)
+	return result
+}
+
+// SemverCollection is a collection of SemanticVersion objects
+type SemverCollection []*SemanticVersion
+
+// Len returns the length of a collection. The number of Version instances
+// on the slice.
+func (c SemverCollection) Len() int {
+	return len(c)
+}
+
+// Less is needed for the sort interface to compare two Version objects on the
+// slice. If checks if one is less than the other.
+func (c SemverCollection) Less(i, j int) bool {
+	return c[i].Version.LessThan(c[j].Version)
+}
+
+// Swap is needed for the sort interface to replace the Version objects
+// at two different positions in the slice.
+func (c SemverCollection) Swap(i, j int) {
+	c[i], c[j] = c[j], c[i]
+}

v2/internal/html/assetbundle.go

@@ -156,7 +156,7 @@ func (a *AssetBundle) WriteToCFile(targetDir string) (string, error) {
 	var cdata strings.Builder
 
 	// Write header
-	header := `// assets.c
+	header := `// assets.h
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL.
 // This file was auto-generated. DO NOT MODIFY.
 
@@ -185,7 +185,7 @@ func (a *AssetBundle) WriteToCFile(targetDir string) (string, error) {
 	}
 
 	// Save file
-	assetsFile := filepath.Join(targetDir, "assets.c")
+	assetsFile := filepath.Join(targetDir, "assets.h")
 	err = ioutil.WriteFile(assetsFile, []byte(cdata.String()), 0600)
 	if err != nil {
 		return "", err

v2/internal/menumanager/applicationmenu.go

@@ -0,0 +1,46 @@
+package menumanager
+
+import "github.com/wailsapp/wails/v2/pkg/menu"
+
+func (m *Manager) SetApplicationMenu(applicationMenu *menu.Menu) error {
+
+	if applicationMenu == nil {
+		return nil
+	}
+
+	m.applicationMenu = applicationMenu
+
+	// Reset the menu map
+	m.applicationMenuItemMap = NewMenuItemMap()
+
+	// Add the menu to the menu map
+	m.applicationMenuItemMap.AddMenu(applicationMenu)
+
+	return m.processApplicationMenu()
+}
+
+func (m *Manager) GetApplicationMenuJSON() string {
+	return m.applicationMenuJSON
+}
+
+// UpdateApplicationMenu reprocesses the application menu to pick up structure
+// changes etc
+// Returns the JSON representation of the updated menu
+func (m *Manager) UpdateApplicationMenu() (string, error) {
+	m.applicationMenuItemMap = NewMenuItemMap()
+	m.applicationMenuItemMap.AddMenu(m.applicationMenu)
+	err := m.processApplicationMenu()
+	return m.applicationMenuJSON, err
+}
+
+func (m *Manager) processApplicationMenu() error {
+
+	// Process the menu
+	processedApplicationMenu := NewWailsMenu(m.applicationMenuItemMap, m.applicationMenu)
+	applicationMenuJSON, err := processedApplicationMenu.AsJSON()
+	if err != nil {
+		return err
+	}
+	m.applicationMenuJSON = applicationMenuJSON
+	return nil
+}

v2/internal/menumanager/contextmenu.go

@@ -0,0 +1,60 @@
+package menumanager
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+)
+
+type ContextMenu struct {
+	ID            string
+	ProcessedMenu *WailsMenu
+	menuItemMap   *MenuItemMap
+	menu          *menu.Menu
+}
+
+func (t *ContextMenu) AsJSON() (string, error) {
+	data, err := json.Marshal(t)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}
+
+func NewContextMenu(contextMenu *menu.ContextMenu) *ContextMenu {
+
+	result := &ContextMenu{
+		ID:          contextMenu.ID,
+		menu:        contextMenu.Menu,
+		menuItemMap: NewMenuItemMap(),
+	}
+
+	result.menuItemMap.AddMenu(contextMenu.Menu)
+	result.ProcessedMenu = NewWailsMenu(result.menuItemMap, result.menu)
+
+	return result
+}
+
+func (m *Manager) AddContextMenu(contextMenu *menu.ContextMenu) {
+
+	newContextMenu := NewContextMenu(contextMenu)
+
+	// Save the references
+	m.contextMenus[contextMenu.ID] = newContextMenu
+	m.contextMenuPointers[contextMenu] = contextMenu.ID
+}
+
+func (m *Manager) UpdateContextMenu(contextMenu *menu.ContextMenu) (string, error) {
+	contextMenuID, contextMenuKnown := m.contextMenuPointers[contextMenu]
+	if !contextMenuKnown {
+		return "", fmt.Errorf("unknown Context Menu '%s'. Please add the context menu using AddContextMenu()", contextMenu.ID)
+	}
+
+	// Create the updated context menu
+	updatedContextMenu := NewContextMenu(contextMenu)
+
+	// Save the reference
+	m.contextMenus[contextMenuID] = updatedContextMenu
+
+	return updatedContextMenu.AsJSON()
+}

v2/internal/menumanager/menuitemmap.go

@@ -0,0 +1,75 @@
+package menumanager
+
+import (
+	"fmt"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+	"sync"
+)
+
+// MenuItemMap holds a mapping between menuIDs and menu items
+type MenuItemMap struct {
+	idToMenuItemMap map[string]*menu.MenuItem
+	menuItemToIDMap map[*menu.MenuItem]string
+
+	// We use a simple counter to keep track of unique menu IDs
+	menuIDCounter      int64
+	menuIDCounterMutex sync.Mutex
+}
+
+func NewMenuItemMap() *MenuItemMap {
+	result := &MenuItemMap{
+		idToMenuItemMap: make(map[string]*menu.MenuItem),
+		menuItemToIDMap: make(map[*menu.MenuItem]string),
+	}
+
+	return result
+}
+
+func (m *MenuItemMap) AddMenu(menu *menu.Menu) {
+	if menu == nil {
+		return
+	}
+	for _, item := range menu.Items {
+		m.processMenuItem(item)
+	}
+}
+
+func (m *MenuItemMap) Dump() {
+	println("idToMenuItemMap:")
+	for key, value := range m.idToMenuItemMap {
+		fmt.Printf("  %s\t%p\n", key, value)
+	}
+	println("\nmenuItemToIDMap")
+	for key, value := range m.menuItemToIDMap {
+		fmt.Printf("  %p\t%s\n", key, value)
+	}
+}
+
+// GenerateMenuID returns a unique string ID for a menu item
+func (m *MenuItemMap) generateMenuID() string {
+	m.menuIDCounterMutex.Lock()
+	result := fmt.Sprintf("%d", m.menuIDCounter)
+	m.menuIDCounter++
+	m.menuIDCounterMutex.Unlock()
+	return result
+}
+
+func (m *MenuItemMap) processMenuItem(item *menu.MenuItem) {
+
+	if item.SubMenu != nil {
+		for _, submenuitem := range item.SubMenu.Items {
+			m.processMenuItem(submenuitem)
+		}
+	}
+
+	// Create a unique ID for this menu item
+	menuID := m.generateMenuID()
+
+	// Store references
+	m.idToMenuItemMap[menuID] = item
+	m.menuItemToIDMap[item] = menuID
+}
+
+func (m *MenuItemMap) getMenuItemByID(menuId string) *menu.MenuItem {
+	return m.idToMenuItemMap[menuId]
+}

v2/internal/menumanager/menumanager.go

@@ -0,0 +1,90 @@
+package menumanager
+
+import (
+	"fmt"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+)
+
+type Manager struct {
+
+	// The application menu.
+	applicationMenu     *menu.Menu
+	applicationMenuJSON string
+
+	// Our application menu mappings
+	applicationMenuItemMap *MenuItemMap
+
+	// Context menus
+	contextMenus        map[string]*ContextMenu
+	contextMenuPointers map[*menu.ContextMenu]string
+
+	// Tray menu stores
+	trayMenus        map[string]*TrayMenu
+	trayMenuPointers map[*menu.TrayMenu]string
+}
+
+func NewManager() *Manager {
+	return &Manager{
+		applicationMenuItemMap: NewMenuItemMap(),
+		contextMenus:           make(map[string]*ContextMenu),
+		contextMenuPointers:    make(map[*menu.ContextMenu]string),
+		trayMenus:              make(map[string]*TrayMenu),
+		trayMenuPointers:       make(map[*menu.TrayMenu]string),
+	}
+}
+
+func (m *Manager) getMenuItemByID(menuMap *MenuItemMap, menuId string) *menu.MenuItem {
+	return menuMap.idToMenuItemMap[menuId]
+}
+
+func (m *Manager) ProcessClick(menuID string, data string, menuType string, parentID string) error {
+
+	var menuItemMap *MenuItemMap
+
+	switch menuType {
+	case "ApplicationMenu":
+		menuItemMap = m.applicationMenuItemMap
+	case "ContextMenu":
+		contextMenu := m.contextMenus[parentID]
+		if contextMenu == nil {
+			return fmt.Errorf("unknown context menu: %s", parentID)
+		}
+		menuItemMap = contextMenu.menuItemMap
+	case "TrayMenu":
+		trayMenu := m.trayMenus[parentID]
+		if trayMenu == nil {
+			return fmt.Errorf("unknown tray menu: %s", parentID)
+		}
+		menuItemMap = trayMenu.menuItemMap
+	default:
+		return fmt.Errorf("unknown menutype: %s", menuType)
+	}
+
+	// Get the menu item
+	menuItem := menuItemMap.getMenuItemByID(menuID)
+	if menuItem == nil {
+		return fmt.Errorf("Cannot process menuid %s - unknown", menuID)
+	}
+
+	// Is the menu item a checkbox?
+	if menuItem.Type == menu.CheckboxType {
+		// Toggle state
+		menuItem.Checked = !menuItem.Checked
+	}
+
+	if menuItem.Click == nil {
+		// No callback
+		return fmt.Errorf("No callback for menu '%s'", menuItem.Label)
+	}
+
+	// Create new Callback struct
+	callbackData := &menu.CallbackData{
+		MenuItem:    menuItem,
+		ContextData: data,
+	}
+
+	// Call back!
+	go menuItem.Click(callbackData)
+
+	return nil
+}

v2/internal/menumanager/processedMenu.go

@@ -0,0 +1,169 @@
+package menumanager
+
+import (
+	"encoding/json"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+	"github.com/wailsapp/wails/v2/pkg/menu/keys"
+)
+
+type ProcessedMenuItem struct {
+	ID string
+	// Label is what appears as the menu text
+	Label string `json:",omitempty"`
+	// Role is a predefined menu type
+	Role menu.Role `json:",omitempty"`
+	// Accelerator holds a representation of a key binding
+	Accelerator *keys.Accelerator `json:",omitempty"`
+	// Type of MenuItem, EG: Checkbox, Text, Separator, Radio, Submenu
+	Type menu.Type
+	// Disabled makes the item unselectable
+	Disabled bool `json:",omitempty"`
+	// Hidden ensures that the item is not shown in the menu
+	Hidden bool `json:",omitempty"`
+	// Checked indicates if the item is selected (used by Checkbox and Radio types only)
+	Checked bool `json:",omitempty"`
+	// Submenu contains a list of menu items that will be shown as a submenu
+	//SubMenu []*MenuItem `json:"SubMenu,omitempty"`
+	SubMenu *ProcessedMenu `json:",omitempty"`
+
+	// Colour
+	RGBA string `json:",omitempty"`
+
+	// Font
+	FontSize int    `json:",omitempty"`
+	FontName string `json:",omitempty"`
+
+	// Image - base64 image data
+	Image string `json:",omitempty"`
+
+	// Tooltip
+	Tooltip string `json:",omitempty"`
+}
+
+func NewProcessedMenuItem(menuItemMap *MenuItemMap, menuItem *menu.MenuItem) *ProcessedMenuItem {
+
+	ID := menuItemMap.menuItemToIDMap[menuItem]
+	result := &ProcessedMenuItem{
+		ID:          ID,
+		Label:       menuItem.Label,
+		Role:        menuItem.Role,
+		Accelerator: menuItem.Accelerator,
+		Type:        menuItem.Type,
+		Disabled:    menuItem.Disabled,
+		Hidden:      menuItem.Hidden,
+		Checked:     menuItem.Checked,
+		SubMenu:     nil,
+		RGBA:        menuItem.RGBA,
+		FontSize:    menuItem.FontSize,
+		FontName:    menuItem.FontName,
+		Image:       menuItem.Image,
+		Tooltip:     menuItem.Tooltip,
+	}
+
+	if menuItem.SubMenu != nil {
+		result.SubMenu = NewProcessedMenu(menuItemMap, menuItem.SubMenu)
+	}
+
+	return result
+}
+
+type ProcessedMenu struct {
+	Items []*ProcessedMenuItem
+}
+
+func NewProcessedMenu(menuItemMap *MenuItemMap, menu *menu.Menu) *ProcessedMenu {
+
+	result := &ProcessedMenu{}
+	if menu != nil {
+		for _, item := range menu.Items {
+			processedMenuItem := NewProcessedMenuItem(menuItemMap, item)
+			result.Items = append(result.Items, processedMenuItem)
+		}
+	}
+
+	return result
+}
+
+// WailsMenu is the original menu with the addition
+// of radio groups extracted from the menu data
+type WailsMenu struct {
+	Menu              *ProcessedMenu
+	RadioGroups       []*RadioGroup
+	currentRadioGroup []string
+}
+
+// RadioGroup holds all the members of the same radio group
+type RadioGroup struct {
+	Members []string
+	Length  int
+}
+
+func NewWailsMenu(menuItemMap *MenuItemMap, menu *menu.Menu) *WailsMenu {
+	result := &WailsMenu{}
+
+	// Process the menus
+	result.Menu = NewProcessedMenu(menuItemMap, menu)
+
+	// Process the radio groups
+	result.processRadioGroups()
+
+	return result
+}
+
+func (w *WailsMenu) AsJSON() (string, error) {
+
+	menuAsJSON, err := json.Marshal(w)
+	if err != nil {
+		return "", err
+	}
+	return string(menuAsJSON), nil
+}
+
+func (w *WailsMenu) processRadioGroups() {
+	// Loop over top level menus
+	for _, item := range w.Menu.Items {
+		// Process MenuItem
+		w.processMenuItem(item)
+	}
+
+	w.finaliseRadioGroup()
+}
+
+func (w *WailsMenu) processMenuItem(item *ProcessedMenuItem) {
+
+	switch item.Type {
+
+	// We need to recurse submenus
+	case menu.SubmenuType:
+
+		// Finalise any current radio groups as they don't trickle down to submenus
+		w.finaliseRadioGroup()
+
+		// Process each submenu item
+		for _, subitem := range item.SubMenu.Items {
+			w.processMenuItem(subitem)
+		}
+	case menu.RadioType:
+		// Add the item to the radio group
+		w.currentRadioGroup = append(w.currentRadioGroup, item.ID)
+	default:
+		w.finaliseRadioGroup()
+	}
+}
+
+func (w *WailsMenu) finaliseRadioGroup() {
+
+	// If we were processing a radio group, fix up the references
+	if len(w.currentRadioGroup) > 0 {
+
+		// Create new radiogroup
+		group := &RadioGroup{
+			Members: w.currentRadioGroup,
+			Length:  len(w.currentRadioGroup),
+		}
+		w.RadioGroups = append(w.RadioGroups, group)
+
+		// Empty the radio group
+		w.currentRadioGroup = []string{}
+	}
+}

v2/internal/menumanager/traymenu.go

@@ -0,0 +1,134 @@
+package menumanager
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/pkg/errors"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+	"sync"
+)
+
+var trayMenuID int
+var trayMenuIDMutex sync.Mutex
+
+func generateTrayID() string {
+	trayMenuIDMutex.Lock()
+	result := fmt.Sprintf("%d", trayMenuID)
+	trayMenuID++
+	trayMenuIDMutex.Unlock()
+	return result
+}
+
+type TrayMenu struct {
+	ID            string
+	Label         string
+	Icon          string
+	menuItemMap   *MenuItemMap
+	menu          *menu.Menu
+	ProcessedMenu *WailsMenu
+}
+
+func (t *TrayMenu) AsJSON() (string, error) {
+	data, err := json.Marshal(t)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}
+
+func NewTrayMenu(trayMenu *menu.TrayMenu) *TrayMenu {
+
+	result := &TrayMenu{
+		Label:       trayMenu.Label,
+		Icon:        trayMenu.Icon,
+		menu:        trayMenu.Menu,
+		menuItemMap: NewMenuItemMap(),
+	}
+
+	result.menuItemMap.AddMenu(trayMenu.Menu)
+	result.ProcessedMenu = NewWailsMenu(result.menuItemMap, result.menu)
+
+	return result
+}
+
+func (m *Manager) AddTrayMenu(trayMenu *menu.TrayMenu) (string, error) {
+	newTrayMenu := NewTrayMenu(trayMenu)
+
+	// Hook up a new ID
+	trayID := generateTrayID()
+	newTrayMenu.ID = trayID
+
+	// Save the references
+	m.trayMenus[trayID] = newTrayMenu
+	m.trayMenuPointers[trayMenu] = trayID
+
+	return newTrayMenu.AsJSON()
+}
+
+// SetTrayMenu updates or creates a menu
+func (m *Manager) SetTrayMenu(trayMenu *menu.TrayMenu) (string, error) {
+	trayID, trayMenuKnown := m.trayMenuPointers[trayMenu]
+	if !trayMenuKnown {
+		return m.AddTrayMenu(trayMenu)
+	}
+
+	// Create the updated tray menu
+	updatedTrayMenu := NewTrayMenu(trayMenu)
+	updatedTrayMenu.ID = trayID
+
+	// Save the reference
+	m.trayMenus[trayID] = updatedTrayMenu
+
+	return updatedTrayMenu.AsJSON()
+}
+
+func (m *Manager) GetTrayMenus() ([]string, error) {
+	result := []string{}
+	for _, trayMenu := range m.trayMenus {
+		JSON, err := trayMenu.AsJSON()
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, JSON)
+	}
+
+	return result, nil
+}
+
+func (m *Manager) UpdateTrayMenuLabel(trayMenu *menu.TrayMenu) (string, error) {
+	trayID, trayMenuKnown := m.trayMenuPointers[trayMenu]
+	if !trayMenuKnown {
+		return "", fmt.Errorf("[UpdateTrayMenuLabel] unknown tray id for tray %s", trayMenu.Label)
+	}
+
+	type LabelUpdate struct {
+		ID    string
+		Label string
+	}
+
+	update := &LabelUpdate{
+		ID:    trayID,
+		Label: trayMenu.Label,
+	}
+
+	data, err := json.Marshal(update)
+	if err != nil {
+		return "", errors.Wrap(err, "[UpdateTrayMenuLabel] ")
+	}
+
+	return string(data), nil
+
+}
+
+func (m *Manager) GetContextMenus() ([]string, error) {
+	result := []string{}
+	for _, contextMenu := range m.contextMenus {
+		JSON, err := contextMenu.AsJSON()
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, JSON)
+	}
+
+	return result, nil
+}

v2/internal/messagedispatcher/dispatchclient.go

@@ -2,12 +2,11 @@ package messagedispatcher
 
 import (
 	"fmt"
-	"github.com/wailsapp/wails/v2/pkg/menu"
 
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
 )
 
 // Client defines what a frontend client can do
@@ -15,9 +14,9 @@ type Client interface {
 	Quit()
 	NotifyEvent(message string)
 	CallResult(message string)
-	OpenDialog(dialogOptions *options.OpenDialog, callbackID string)
-	SaveDialog(dialogOptions *options.SaveDialog, callbackID string)
-	MessageDialog(dialogOptions *options.MessageDialog, callbackID string)
+	OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string)
+	SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string)
+	MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string)
 	WindowSetTitle(title string)
 	WindowShow()
 	WindowHide()
@@ -28,15 +27,16 @@ type Client interface {
 	WindowUnminimise()
 	WindowPosition(x int, y int)
 	WindowSize(width int, height int)
+	WindowSetMinSize(width int, height int)
+	WindowSetMaxSize(width int, height int)
 	WindowFullscreen()
 	WindowUnFullscreen()
 	WindowSetColour(colour int)
 	DarkModeEnabled(callbackID string)
-	UpdateMenu(menu *menu.Menu)
-	UpdateTray(menu *menu.Menu)
-	UpdateTrayLabel(label string)
-	UpdateTrayIcon(name string)
-	UpdateContextMenus(contextMenus *menu.ContextMenus)
+	SetApplicationMenu(menuJSON string)
+	SetTrayMenu(trayMenuJSON string)
+	UpdateTrayMenuLabel(JSON string)
+	UpdateContextMenu(contextMenuJSON string)
 }
 
 // DispatchClient is what the frontends use to interface with the

v2/internal/messagedispatcher/message/messageparser.go

@@ -26,6 +26,10 @@ var messageParsers = map[byte]func(string) (*parsedMessage, error){
 // Parse will attempt to parse the given message
 func Parse(message string) (*parsedMessage, error) {
 
+	if len(message) == 0 {
+		return nil, fmt.Errorf("MessageParser received blank message");
+	}
+
 	parseMethod := messageParsers[message[0]]
 	if parseMethod == nil {
 		return nil, fmt.Errorf("message type '%c' invalid", message[0])

v2/internal/messagedispatcher/message/system.go

@@ -8,8 +8,8 @@ import (
 // systemMessageParser does what it says on the tin!
 func systemMessageParser(message string) (*parsedMessage, error) {
 
-	// Sanity check: system messages must be at least 4 bytes
-	if len(message) < 4 {
+	// Sanity check: system messages must be at least 2 bytes
+	if len(message) < 2 {
 		return nil, fmt.Errorf("system message was an invalid length")
 	}
 
@@ -23,6 +23,9 @@ func systemMessageParser(message string) (*parsedMessage, error) {
 	// Format of system response messages: S<command><callbackID>|<payload>
 	// DarkModeEnabled
 	case 'D':
+		if len(message) < 4 {
+			return nil, fmt.Errorf("system message was an invalid length")
+		}
 		message = message[1:]
 		idx := strings.IndexByte(message, '|')
 		if idx < 0 {
@@ -34,6 +37,10 @@ func systemMessageParser(message string) (*parsedMessage, error) {
 		topic := "systemresponse:" + callbackID
 		responseMessage = &parsedMessage{Topic: topic, Data: payloadData == "T"}
 
+		// This is our startup hook - the frontend is now ready
+	case 'S':
+		topic := "hooks:startup"
+		responseMessage = &parsedMessage{Topic: topic, Data: nil}
 	default:
 		return nil, fmt.Errorf("Invalid message to systemMessageParser()")
 	}

v2/internal/messagedispatcher/messagedispatcher.go

@@ -1,32 +1,30 @@
 package messagedispatcher
 
 import (
+	"context"
 	"encoding/json"
-	"github.com/wailsapp/wails/v2/pkg/menu"
 	"strconv"
 	"strings"
 	"sync"
 
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
+
 	"github.com/wailsapp/wails/v2/internal/crypto"
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 // Dispatcher translates messages received from the frontend
 // and publishes them onto the service bus
 type Dispatcher struct {
-	quitChannel        <-chan *servicebus.Message
-	resultChannel      <-chan *servicebus.Message
-	eventChannel       <-chan *servicebus.Message
-	windowChannel      <-chan *servicebus.Message
-	dialogChannel      <-chan *servicebus.Message
-	systemChannel      <-chan *servicebus.Message
-	menuChannel        <-chan *servicebus.Message
-	contextMenuChannel <-chan *servicebus.Message
-	trayChannel        <-chan *servicebus.Message
-	running            bool
+	quitChannel   <-chan *servicebus.Message
+	resultChannel <-chan *servicebus.Message
+	eventChannel  <-chan *servicebus.Message
+	windowChannel <-chan *servicebus.Message
+	dialogChannel <-chan *servicebus.Message
+	systemChannel <-chan *servicebus.Message
+	menuChannel   <-chan *servicebus.Message
 
 	servicebus *servicebus.ServiceBus
 	logger     logger.CustomLogger
@@ -34,6 +32,13 @@ type Dispatcher struct {
 	// Clients
 	clients map[string]*DispatchClient
 	lock    sync.RWMutex
+
+	// Context for cancellation
+	ctx    context.Context
+	cancel context.CancelFunc
+
+	// internal wait group
+	wg sync.WaitGroup
 }
 
 // New dispatcher. Needs a service bus to send to.
@@ -78,29 +83,22 @@ func New(servicebus *servicebus.ServiceBus, logger *logger.Logger) (*Dispatcher,
 		return nil, err
 	}
 
-	contextMenuChannel, err := servicebus.Subscribe("contextmenufrontend:")
-	if err != nil {
-		return nil, err
-	}
-
-	trayChannel, err := servicebus.Subscribe("trayfrontend:")
-	if err != nil {
-		return nil, err
-	}
+	// Create context
+	ctx, cancel := context.WithCancel(context.Background())
 
 	result := &Dispatcher{
-		servicebus:         servicebus,
-		eventChannel:       eventChannel,
-		logger:             logger.CustomLogger("Message Dispatcher"),
-		clients:            make(map[string]*DispatchClient),
-		resultChannel:      resultChannel,
-		quitChannel:        quitChannel,
-		windowChannel:      windowChannel,
-		dialogChannel:      dialogChannel,
-		systemChannel:      systemChannel,
-		menuChannel:        menuChannel,
-		trayChannel:        trayChannel,
-		contextMenuChannel: contextMenuChannel,
+		servicebus:    servicebus,
+		eventChannel:  eventChannel,
+		logger:        logger.CustomLogger("Message Dispatcher"),
+		clients:       make(map[string]*DispatchClient),
+		resultChannel: resultChannel,
+		quitChannel:   quitChannel,
+		windowChannel: windowChannel,
+		dialogChannel: dialogChannel,
+		systemChannel: systemChannel,
+		menuChannel:   menuChannel,
+		ctx:           ctx,
+		cancel:        cancel,
 	}
 
 	return result, nil
@@ -111,15 +109,18 @@ func (d *Dispatcher) Start() error {
 
 	d.logger.Trace("Starting")
 
-	d.running = true
+	d.wg.Add(1)
 
 	// Spin off a go routine
 	go func() {
-		for d.running {
+		defer d.logger.Trace("Shutdown")
+		for {
 			select {
+			case <-d.ctx.Done():
+				d.wg.Done()
+				return
 			case <-d.quitChannel:
 				d.processQuit()
-				d.running = false
 			case resultMessage := <-d.resultChannel:
 				d.processCallResult(resultMessage)
 			case eventMessage := <-d.eventChannel:
@@ -132,15 +133,8 @@ func (d *Dispatcher) Start() error {
 				d.processSystemMessage(systemMessage)
 			case menuMessage := <-d.menuChannel:
 				d.processMenuMessage(menuMessage)
-			case contextMenuMessage := <-d.contextMenuChannel:
-				d.processContextMenuMessage(contextMenuMessage)
-			case trayMessage := <-d.trayChannel:
-				d.processTrayMessage(trayMessage)
 			}
 		}
-
-		// Call shutdown
-		d.shutdown()
 	}()
 
 	return nil
@@ -154,10 +148,6 @@ func (d *Dispatcher) processQuit() {
 	}
 }
 
-func (d *Dispatcher) shutdown() {
-	d.logger.Trace("Shutdown")
-}
-
 // RegisterClient will register the given callback with the dispatcher
 // and return a DispatchClient that the caller can use to send messages
 func (d *Dispatcher) RegisterClient(client Client) *DispatchClient {
@@ -368,6 +358,38 @@ func (d *Dispatcher) processWindowMessage(result *servicebus.Message) {
 		for _, client := range d.clients {
 			client.frontend.WindowSize(w, h)
 		}
+	case "minsize":
+		// We need 2 arguments
+		if len(splitTopic) != 4 {
+			d.logger.Error("Invalid number of parameters for 'window:minsize' : %#v", result.Data())
+			return
+		}
+		w, err1 := strconv.Atoi(splitTopic[2])
+		h, err2 := strconv.Atoi(splitTopic[3])
+		if err1 != nil || err2 != nil {
+			d.logger.Error("Invalid integer parameters for 'window:minsize' : %#v", result.Data())
+			return
+		}
+		// Notifh clients
+		for _, client := range d.clients {
+			client.frontend.WindowSetMinSize(w, h)
+		}
+	case "maxsize":
+		// We need 2 arguments
+		if len(splitTopic) != 4 {
+			d.logger.Error("Invalid number of parameters for 'window:maxsize' : %#v", result.Data())
+			return
+		}
+		w, err1 := strconv.Atoi(splitTopic[2])
+		h, err2 := strconv.Atoi(splitTopic[3])
+		if err1 != nil || err2 != nil {
+			d.logger.Error("Invalid integer parameters for 'window:maxsize' : %#v", result.Data())
+			return
+		}
+		// Notifh clients
+		for _, client := range d.clients {
+			client.frontend.WindowSetMaxSize(w, h)
+		}
 	default:
 		d.logger.Error("Unknown window command: %s", command)
 	}
@@ -389,7 +411,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 		dialogType := splitTopic[2]
 		switch dialogType {
 		case "open":
-			dialogOptions, ok := result.Data().(*options.OpenDialog)
+			dialogOptions, ok := result.Data().(*dialog.OpenDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:open' : %#v", result.Data())
 				return
@@ -403,7 +425,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 				client.frontend.OpenDialog(dialogOptions, callbackID)
 			}
 		case "save":
-			dialogOptions, ok := result.Data().(*options.SaveDialog)
+			dialogOptions, ok := result.Data().(*dialog.SaveDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:save' : %#v", result.Data())
 				return
@@ -417,7 +439,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 				client.frontend.SaveDialog(dialogOptions, callbackID)
 			}
 		case "message":
-			dialogOptions, ok := result.Data().(*options.MessageDialog)
+			dialogOptions, ok := result.Data().(*dialog.MessageDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:message' : %#v", result.Data())
 				return
@@ -449,11 +471,11 @@ func (d *Dispatcher) processMenuMessage(result *servicebus.Message) {
 
 	command := splitTopic[1]
 	switch command {
-	case "update":
+	case "updateappmenu":
 
-		updatedMenu, ok := result.Data().(*menu.Menu)
+		updatedMenu, ok := result.Data().(string)
 		if !ok {
-			d.logger.Error("Invalid data for 'menufrontend:update' : %#v",
+			d.logger.Error("Invalid data for 'menufrontend:updateappmenu' : %#v",
 				result.Data())
 			return
 		}
@@ -461,97 +483,57 @@ func (d *Dispatcher) processMenuMessage(result *servicebus.Message) {
 		// TODO: Work out what we mean in a multi window environment...
 		// For now we will just pick the first one
 		for _, client := range d.clients {
-			client.frontend.UpdateMenu(updatedMenu)
+			client.frontend.SetApplicationMenu(updatedMenu)
+		}
+
+	case "settraymenu":
+		trayMenuJSON, ok := result.Data().(string)
+		if !ok {
+			d.logger.Error("Invalid data for 'menufrontend:settraymenu' : %#v",
+				result.Data())
+			return
+		}
+
+		// TODO: Work out what we mean in a multi window environment...
+		// For now we will just pick the first one
+		for _, client := range d.clients {
+			client.frontend.SetTrayMenu(trayMenuJSON)
+		}
+
+	case "updatecontextmenu":
+		updatedContextMenu, ok := result.Data().(string)
+		if !ok {
+			d.logger.Error("Invalid data for 'menufrontend:updatecontextmenu' : %#v",
+				result.Data())
+			return
+		}
+
+		// TODO: Work out what we mean in a multi window environment...
+		// For now we will just pick the first one
+		for _, client := range d.clients {
+			client.frontend.UpdateContextMenu(updatedContextMenu)
+		}
+
+	case "updatetraymenulabel":
+		updatedTrayMenuLabel, ok := result.Data().(string)
+		if !ok {
+			d.logger.Error("Invalid data for 'menufrontend:updatetraymenulabel' : %#v",
+				result.Data())
+			return
+		}
+
+		// TODO: Work out what we mean in a multi window environment...
+		// For now we will just pick the first one
+		for _, client := range d.clients {
+			client.frontend.UpdateTrayMenuLabel(updatedTrayMenuLabel)
 		}
 
 	default:
 		d.logger.Error("Unknown menufrontend command: %s", command)
 	}
 }
-func (d *Dispatcher) processContextMenuMessage(result *servicebus.Message) {
-	splitTopic := strings.Split(result.Topic(), ":")
-	if len(splitTopic) < 2 {
-		d.logger.Error("Invalid contextmenu message : %#v", result.Data())
-		return
-	}
 
-	command := splitTopic[1]
-	switch command {
-	case "update":
-
-		updatedContextMenus, ok := result.Data().(*menu.ContextMenus)
-		if !ok {
-			d.logger.Error("Invalid data for 'contextmenufrontend:update' : %#v",
-				result.Data())
-			return
-		}
-
-		// TODO: Work out what we mean in a multi window environment...
-		// For now we will just pick the first one
-		for _, client := range d.clients {
-			client.frontend.UpdateContextMenus(updatedContextMenus)
-		}
-
-	default:
-		d.logger.Error("Unknown contextmenufrontend command: %s", command)
-	}
-}
-
-func (d *Dispatcher) processTrayMessage(result *servicebus.Message) {
-	splitTopic := strings.Split(result.Topic(), ":")
-	if len(splitTopic) < 2 {
-		d.logger.Error("Invalid tray message : %#v", result.Data())
-		return
-	}
-
-	command := splitTopic[1]
-	switch command {
-	case "update":
-
-		updatedMenu, ok := result.Data().(*menu.Menu)
-		if !ok {
-			d.logger.Error("Invalid data for 'trayfrontend:update' : %#v",
-				result.Data())
-			return
-		}
-
-		// TODO: Work out what we mean in a multi window environment...
-		// For now we will just pick the first one
-		for _, client := range d.clients {
-			client.frontend.UpdateTray(updatedMenu)
-		}
-
-	case "setlabel":
-
-		updatedLabel, ok := result.Data().(string)
-		if !ok {
-			d.logger.Error("Invalid data for 'trayfrontend:setlabel' : %#v",
-				result.Data())
-			return
-		}
-
-		// TODO: Work out what we mean in a multi window environment...
-		// For now we will just pick the first one
-		for _, client := range d.clients {
-			client.frontend.UpdateTrayLabel(updatedLabel)
-		}
-
-	case "seticon":
-
-		iconname, ok := result.Data().(string)
-		if !ok {
-			d.logger.Error("Invalid data for 'trayfrontend:seticon' : %#v",
-				result.Data())
-			return
-		}
-
-		// TODO: Work out what we mean in a multi window environment...
-		// For now we will just pick the first one
-		for _, client := range d.clients {
-			client.frontend.UpdateTrayIcon(iconname)
-		}
-
-	default:
-		d.logger.Error("Unknown menufrontend command: %s", command)
-	}
+func (d *Dispatcher) Close() {
+	d.cancel()
+	d.wg.Wait()
 }

v2/internal/parse/parse.go

@@ -10,8 +10,6 @@ import (
 	"golang.org/x/tools/go/packages"
 )
 
-var internalMethods = slicer.String([]string{"WailsInit", "Wails Shutdown"})
-
 var structCache = make(map[string]*ParsedStruct)
 var boundStructs = make(map[string]*ParsedStruct)
 var boundMethods = []string{}
@@ -49,7 +47,7 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 	cfg := &packages.Config{Mode: packages.NeedFiles | packages.NeedSyntax | packages.NeedTypesInfo}
 	pkgs, err := packages.Load(cfg, projectPath)
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "load: %v\n", err)
+		_, _ = fmt.Fprintf(os.Stderr, "load: %v\n", err)
 		os.Exit(1)
 	}
 	if packages.PrintErrors(pkgs) > 0 {
@@ -203,10 +201,6 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 								// This is a struct pointer method
 								i, ok := se.X.(*ast.Ident)
 								if ok {
-									// We want to ignore Internal functions
-									if internalMethods.Contains(x.Name.Name) {
-										continue
-									}
 									// If we haven't already found this struct,
 									// Create a placeholder in the cache
 									parsedStruct := structCache[i.Name]
@@ -437,4 +431,6 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 	println()
 	println("}")
 	println()
+
+	return nil, nil
 }

v2/internal/process/process.go

@@ -1,6 +1,7 @@
 package process
 
 import (
+	"os"
 	"os/exec"
 
 	"github.com/wailsapp/wails/v2/pkg/clilogger"
@@ -16,11 +17,14 @@ type Process struct {
 
 // NewProcess creates a new process struct
 func NewProcess(logger *clilogger.CLILogger, cmd string, args ...string) *Process {
-	return &Process{
+	result := &Process{
 		logger:      logger,
 		cmd:         exec.Command(cmd, args...),
 		exitChannel: make(chan bool, 1),
 	}
+	result.cmd.Stdout = os.Stdout
+	result.cmd.Stderr = os.Stderr
+	return result
 }
 
 // Start the process

v2/internal/runtime/contextmenus.go

@@ -1,48 +0,0 @@
-package runtime
-
-import (
-	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
-	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/menu"
-)
-
-// ContextMenus defines all ContextMenu related operations
-type ContextMenus interface {
-	On(menuID string, callback func(*menu.MenuItem, string))
-	Update()
-	GetByID(menuID string) *menu.MenuItem
-	RemoveByID(id string) bool
-}
-
-type contextMenus struct {
-	bus          *servicebus.ServiceBus
-	contextmenus *menu.ContextMenus
-}
-
-// newContextMenus creates a new ContextMenu struct
-func newContextMenus(bus *servicebus.ServiceBus, contextmenus *menu.ContextMenus) ContextMenus {
-	return &contextMenus{
-		bus:          bus,
-		contextmenus: contextmenus,
-	}
-}
-
-// On registers a listener for a particular event
-func (t *contextMenus) On(menuID string, callback func(*menu.MenuItem, string)) {
-	t.bus.Publish("contextmenus:on", &message.ContextMenusOnMessage{
-		MenuID:   menuID,
-		Callback: callback,
-	})
-}
-
-func (t *contextMenus) Update() {
-	t.bus.Publish("contextmenus:update", t.contextmenus)
-}
-
-func (t *contextMenus) GetByID(menuItemID string) *menu.MenuItem {
-	return t.contextmenus.GetByID(menuItemID)
-}
-
-func (t *contextMenus) RemoveByID(menuItemID string) bool {
-	return t.contextmenus.RemoveByID(menuItemID)
-}

v2/internal/runtime/dialog.go

@@ -5,14 +5,14 @@ import (
 
 	"github.com/wailsapp/wails/v2/internal/crypto"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
+	dialogoptions "github.com/wailsapp/wails/v2/pkg/options/dialog"
 )
 
 // Dialog defines all Dialog related operations
 type Dialog interface {
-	Open(dialogOptions *options.OpenDialog) []string
-	Save(dialogOptions *options.SaveDialog) string
-	Message(dialogOptions *options.MessageDialog) string
+	Open(dialogOptions *dialogoptions.OpenDialog) []string
+	Save(dialogOptions *dialogoptions.SaveDialog) string
+	Message(dialogOptions *dialogoptions.MessageDialog) string
 }
 
 // dialog exposes the Dialog interface
@@ -45,7 +45,7 @@ func (r *dialog) processTitleAndFilter(params ...string) (string, string) {
 }
 
 // Open prompts the user to select a file
-func (r *dialog) Open(dialogOptions *options.OpenDialog) []string {
+func (r *dialog) Open(dialogOptions *dialogoptions.OpenDialog) []string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()
@@ -70,7 +70,7 @@ func (r *dialog) Open(dialogOptions *options.OpenDialog) []string {
 }
 
 // Save prompts the user to select a file
-func (r *dialog) Save(dialogOptions *options.SaveDialog) string {
+func (r *dialog) Save(dialogOptions *dialogoptions.SaveDialog) string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()
@@ -95,7 +95,7 @@ func (r *dialog) Save(dialogOptions *options.SaveDialog) string {
 }
 
 // Message show a message to the user
-func (r *dialog) Message(dialogOptions *options.MessageDialog) string {
+func (r *dialog) Message(dialogOptions *dialogoptions.MessageDialog) string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()

v2/internal/runtime/js/core/bindings.js

@@ -65,7 +65,7 @@ export function SetBindings(bindingsMap) {
 				window.backend[packageName][structName][methodName] = function () {
 
 					// No timeout by default
-					var timeout = 0;
+					let timeout = 0;
 
 					// Actual function
 					function dynamic() {
@@ -89,19 +89,3 @@ export function SetBindings(bindingsMap) {
 		});
 	});
 }
-// /**
-//  * Determines if the given identifier is valid Javascript
-//  *
-//  * @param {boolean} name
-//  * @returns
-//  */
-// function isValidIdentifier(name) {
-// 	// Don't xss yourself :-)
-// 	try {
-// 		new Function('var ' + name);
-// 		return true;
-// 	} catch (e) {
-// 		return false;
-// 	}
-// }
-

v2/internal/runtime/js/core/desktop.js

@@ -10,6 +10,7 @@ The lightweight framework for web-like apps
 /* jshint esversion: 6 */
 import { SetBindings } from './bindings';
 import { Init } from './main';
+import {RaiseError} from '../desktop/darwin';
 
 // Setup global error handler
 window.onerror = function (msg, url, lineNo, columnNo, error) {
@@ -21,7 +22,7 @@ window.onerror = function (msg, url, lineNo, columnNo, error) {
 		error: JSON.stringify(error),
 		stack: function() { return JSON.stringify(new Error().stack); }(),
 	};
-	window.wails.Log.Error(JSON.stringify(errorMessage));
+	RaiseError(errorMessage);
 };
 
 // Initialise the Runtime

v2/internal/runtime/js/core/events.js

@@ -13,6 +13,7 @@ import { Error } from './log';
 import { SendMessage } from 'ipc';
 
 // Defines a single listener with a maximum number of times to callback
+
 /**
  * The Listener class defines a listener! :-)
  *
@@ -43,7 +44,7 @@ class Listener {
 	}
 }
 
-var eventListeners = {};
+let eventListeners = {};
 
 /**
  * Registers an event listener that will be invoked `maxCallbacks` times before being destroyed
@@ -96,7 +97,7 @@ export function Once(eventName, callback) {
 function notifyListeners(eventData) {
 
 	// Get the event name
-	var eventName = eventData.name;
+	let eventName = eventData.name;
 
 	// Check if we have any listeners for this event
 	if (eventListeners[eventName]) {
@@ -110,7 +111,7 @@ function notifyListeners(eventData) {
 			// Get next listener
 			const listener = eventListeners[eventName][count];
 
-			var data = eventData.data;
+			let data = eventData.data;
 
 			// Do the callback
 			const destroy = listener.Callback(data);
@@ -120,7 +121,7 @@ function notifyListeners(eventData) {
 			}
 		}
 
-		// Update callbacks with new list of listners
+		// Update callbacks with new list of listeners
 		eventListeners[eventName] = newEventListenerList;
 	}
 }

v2/internal/runtime/js/core/main.js

@@ -62,6 +62,4 @@ export function Init() {
 
 	// Do platform specific Init
 	Platform.Init();
-
-	window.wailsloader.runtime = true;
 }

v2/internal/runtime/js/desktop/darwin.js

@@ -25,6 +25,10 @@ export function SendMessage(message) {
     window.webkit.messageHandlers.external.postMessage(message);
 }
 
+export function RaiseError(message) {
+    window.webkit.messageHandlers.error.postMessage(message);
+}
+
 export function Init() {
 
     // Setup drag handler

v2/internal/runtime/js/desktop/linux.js

@@ -27,7 +27,7 @@ export function Init() {
     // Setup drag handler
     // Based on code from: https://github.com/patr0nus/DeskGap
     window.addEventListener('mousedown', function (e) {
-        var currentElement = e.target;
+        let currentElement = e.target;
         while (currentElement != null) {
             if (currentElement.hasAttribute('data-wails-no-drag')) {
                 break;

v2/internal/runtime/js/runtime/.npmignore

@@ -1 +0,0 @@
-bridge.js

v2/internal/runtime/js/runtime/bridge.js

@@ -0,0 +1,225 @@
+/*
+ _       __      _ __
+| |     / /___ _(_) /____
+| | /| / / __ `/ / / ___/
+| |/ |/ / /_/ / / (__  )
+|__/|__/\__,_/_/_/____/
+The lightweight framework for web-like apps
+(c) Lea Anthony 2019-present
+*/
+/* jshint esversion: 6 */
+
+function init() {
+	// Bridge object
+	window.wailsbridge = {
+		reconnectOverlay: null,
+		reconnectTimer: 300,
+		wsURL: 'ws://' + window.location.hostname + ':34115/bridge',
+		connectionState: null,
+		config: {},
+		websocket: null,
+		callback: null,
+		overlayHTML:
+			'<div class="wails-reconnect-overlay"><div class="wails-reconnect-overlay-content"><div class="wails-reconnect-overlay-loadingspinner"></div></div></div>',
+		overlayCSS:
+			'.wails-reconnect-overlay{position:fixed;top:0;left:0;width:100%;height:100%;backdrop-filter: blur(20px) saturate(160%) contrast(45%) brightness(140%);display:none;z-index:999999}.wails-reconnect-overlay-content{position:relative;top:50%;transform:translateY(-50%);margin: 0;background-image:url(data:image/png;base64,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);background-repeat:no-repeat;background-position:center}.wails-reconnect-overlay-loadingspinner{pointer-events:none;width:2.5em;height:2.5em;border:.4em solid transparent;border-color:#f00 #eee0 #f00 #eee0;border-radius:50%;animation:loadingspin 1s linear infinite;margin:auto;padding:2.5em}@keyframes loadingspin{100%{transform:rotate(360deg); opacity}}',
+		log: function (message) {
+			// eslint-disable-next-line
+			console.log(
+				'%c wails bridge %c ' + message + ' ',
+				'background: #aa0000; color: #fff; border-radius: 3px 0px 0px 3px; padding: 1px; font-size: 0.7rem',
+				'background: #009900; color: #fff; border-radius: 0px 3px 3px 0px; padding: 1px; font-size: 0.7rem'
+			);
+		}
+	};
+}
+
+function setupIPCBridge() {
+	// darwin
+	window.webkit = {
+		messageHandlers: {
+			external: {
+				postMessage: (message) => {
+					window.wailsbridge.websocket.send(message);
+				}
+			}
+		}
+	};
+}
+
+// Adapted from webview - thanks zserge!
+function injectCSS(css) {
+	const elem = document.createElement('style');
+	elem.setAttribute('type', 'text/css');
+	elem.appendChild(document.createTextNode(css));
+	const head = document.head || document.getElementsByTagName('head')[0];
+	head.appendChild(elem);
+}
+
+// Creates a node in the Dom
+/**
+ * @param {HTMLElement} parent
+ * @param {string} elementType
+ * @param {string} id
+ * @param {string|null} className
+ * @param {string|null} content
+ */
+function createNode(parent, elementType, id, className, content) {
+	const d = document.createElement(elementType);
+	if (id) {
+		d.id = id;
+	}
+	if (className) {
+		d.className = className;
+	}
+	if (content) {
+		d.innerHTML = content;
+	}
+	parent.appendChild(d);
+	return d;
+}
+
+// Sets up the overlay
+function setupOverlay() {
+	const body = document.body;
+	const wailsBridgeNode = createNode(body, 'div', 'wails-bridge', null, null);
+	wailsBridgeNode.innerHTML = window.wailsbridge.overlayHTML;
+
+	// Inject the overlay CSS
+	injectCSS(window.wailsbridge.overlayCSS);
+}
+
+// Start the Wails Bridge
+function startBridge() {
+	// Setup the overlay
+	setupOverlay();
+
+	window.wailsbridge.websocket = null;
+	window.wailsbridge.connectTimer = null;
+	window.wailsbridge.reconnectOverlay = document.querySelector(
+		'.wails-reconnect-overlay'
+	);
+	window.wailsbridge.connectionState = 'disconnected';
+
+	// Shows the overlay
+	function showReconnectOverlay() {
+		window.wailsbridge.reconnectOverlay.style.display = 'block';
+	}
+
+	// Hides the overlay
+	const hideReconnectOverlay = function () {
+		window.wailsbridge.reconnectOverlay.style.display = 'none';
+	}
+	window.wailsbridge.hideReconnectOverlay = hideReconnectOverlay;
+
+	// Adds a script to the Dom.
+	// Removes it if second parameter is true.
+	function addScript(script, remove) {
+		const s = document.createElement('script');
+		s.setAttribute('type', 'text/javascript');
+		s.textContent = script;
+		document.head.appendChild(s);
+
+		// Remove internal messages from the DOM
+		if (remove) {
+			s.parentNode.removeChild(s);
+		}
+	}
+
+	// Handles incoming websocket connections
+	function handleConnect() {
+		window.wailsbridge.log('Connected to backend');
+		setupIPCBridge();
+		hideReconnectOverlay();
+		clearInterval(window.wailsbridge.connectTimer);
+		window.wailsbridge.websocket.onclose = handleDisconnect;
+		window.wailsbridge.websocket.onmessage = handleMessage;
+		window.wailsbridge.connectionState = 'connected';
+	}
+
+	// Handles websocket disconnects
+	function handleDisconnect() {
+		window.wailsbridge.log('Disconnected from backend');
+		window.wailsbridge.websocket = null;
+		window.wailsbridge.connectionState = 'disconnected';
+		showReconnectOverlay();
+		connect();
+	}
+
+	// Try to connect to the backend every 1s (default value).
+	// Change this value in the main wailsbridge object.
+	function connect() {
+		window.wailsbridge.connectTimer = setInterval(function () {
+			if (window.wailsbridge.websocket == null) {
+				window.wailsbridge.websocket = new WebSocket(window.wailsbridge.wsURL);
+				window.wailsbridge.websocket.onopen = handleConnect;
+				window.wailsbridge.websocket.onerror = function (e) {
+					e.stopImmediatePropagation();
+					e.stopPropagation();
+					e.preventDefault();
+					window.wailsbridge.websocket = null;
+					return false;
+				};
+			}
+		}, window.wailsbridge.reconnectTimer);
+	}
+
+	function handleMessage(message) {
+		// As a bridge we ignore js and css injections
+		switch (message.data[0]) {
+		// Wails library - inject!
+		case 'b':
+			message = message.data.slice(1)
+			addScript(message);
+			window.wailsbridge.log('Loaded Wails Runtime');
+
+			// Now wails runtime is loaded, wails for the ready event
+			// and callback to the main app
+			// window.wails.Events.On('wails:loaded', function () {
+			if (window.wailsbridge.callback) {
+				window.wailsbridge.log('Notifying application');
+				window.wailsbridge.callback(window.wails);
+			}
+			// });
+			break;
+		// 	// Notifications
+		// case 'n':
+		// 	addScript(message.data.slice(1), true);
+		// 	break;
+		// 	// Binding
+		// case 'b':
+		// 	const binding = message.data.slice(1);
+		// 	//log("Binding: " + binding)
+		// 	window.wails._.NewBinding(binding);
+		// 	break;
+		// 	// Call back
+		case 'c':
+			const callbackData = message.data.slice(1);
+			window.wails._.Callback(callbackData);
+			break;
+		default:
+			window.wailsbridge.log('Unknown message: ' + message.data);
+		}
+	}
+
+	// Start by showing the overlay...
+	showReconnectOverlay();
+
+	// ...and attempt to connect
+	connect();
+}
+
+function InitBridge(callback) {
+	// Set up the bridge
+	init();
+
+	// Save the callback
+	window.wailsbridge.callback = callback;
+
+	// Start Bridge
+	startBridge();
+}
+
+module.exports = {
+	InitBridge: InitBridge,
+}

v2/internal/runtime/js/runtime/init.js

@@ -9,13 +9,25 @@ The lightweight framework for web-like apps
 */
 /* jshint esversion: 6 */
 
+import { InitBridge } from './bridge';
+
 /**
- * Initialises the Wails runtime
+ * ready will execute the callback when Wails has loaded
+ * and initialised.
  *
  * @param {function} callback
  */
-function Init(callback) {
-	window.wails._.Init(callback);
+function ready(callback) {
+
+	// If window.wails exists, we are ready
+	if( window.wails ) {
+		return callback();
+	}
+
+	// If not we need to setup the bridge
+	InitBridge(callback);
 }
 
-module.exports = Init;
+module.exports = {
+	ready: ready,
+};

v2/internal/runtime/js/runtime/main.js

@@ -23,7 +23,7 @@ module.exports = {
 	Browser: Browser,
 	Dialog: Dialog,
 	Events: Events,
-	Init: Init,
+	ready: Init.ready,
 	Log: Log,
 	System: System,
 	Store: Store,

v2/internal/runtime/js/runtime/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@wails/runtime",
-  "version": "1.2.13",
+  "version": "1.2.24",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

v2/internal/runtime/js/runtime/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wails/runtime",
-  "version": "1.2.22",
+  "version": "1.3.6",
   "description": "Wails V2 Javascript runtime library",
   "main": "main.js",
   "types": "runtime.d.ts",

v2/internal/runtime/js/runtime/system.js

@@ -13,7 +13,7 @@ const Events = require('./events');
 
 /**
  * Registers an event listener that will be invoked when the user changes the
- * desktop theme (light mode / dark mode). The callback receives a boolean which
+ * desktop theme (light mode / dark mode). The callback receives a booleanean which
  * indicates if dark mode is enabled.
  *
  * @export
@@ -43,12 +43,12 @@ function DarkModeEnabled() {
  * Mac Title Bar Config
  * Check out https://github.com/lukakerr/NSWindowStyles for some examples of these settings
  * @typedef {Object} MacTitleBar
- * @param {bool} TitleBarAppearsTransparent - NSWindow.titleBarAppearsTransparent
- * @param {bool} HideTitle - NSWindow.hideTitle
- * @param {bool} HideTitleBar - NSWindow.hideTitleBar
- * @param {bool} FullSizeContent - Makes the webview portion of the window the full size of the window, even over the titlebar
- * @param {bool} UseToolbar - Set true to add a blank toolbar to the window (makes the title bar larger)
- * @param {bool} HideToolbarSeparator - Set true to remove the separator between the toolbar and the main content area
+ * @param {boolean} TitleBarAppearsTransparent - NSWindow.titleBarAppearsTransparent
+ * @param {boolean} HideTitle - NSWindow.hideTitle
+ * @param {boolean} HideTitleBar - NSWindow.hideTitleBar
+ * @param {boolean} FullSizeContent - Makes the webview portion of the window the full size of the window, even over the titlebar
+ * @param {boolean} UseToolbar - Set true to add a blank toolbar to the window (makes the title bar larger)
+ * @param {boolean} HideToolbarSeparator - Set true to remove the separator between the toolbar and the main content area
  * 
  */
 
@@ -65,8 +65,8 @@ function DarkModeEnabled() {
  * @param {number} MinHeight - Window Minimum Height
  * @param {number} MaxWidth - Window Maximum Width
  * @param {number} MaxHeight - Window Maximum Height
- * @param {bool} StartHidden - Start with window hidden
- * @param {bool} DevTools - Enables the window devtools
+ * @param {boolean} StartHidden - Start with window hidden
+ * @param {boolean} DevTools - Enables the window devtools
  * @param {number} RBGA - The initial window colour. Convert to hex then it'll mean 0xRRGGBBAA
  * @param {MacAppConfig} [Mac] - Configuration when running on Mac
  * @param {LinuxAppConfig} [Linux] - Configuration when running on Linux
@@ -88,11 +88,23 @@ function AppConfig() {
 	return window.wails.System.AppConfig.get();
 }
 
+function LogLevel() {
+	return window.wails.System.LogLevel();
+}
+
+function Platform() {
+	return window.wails.System.Platform();
+}
+
+function AppType() {
+	return window.wails.System.AppType();
+}
+
 module.exports = {
 	OnThemeChange: OnThemeChange,
 	DarkModeEnabled: DarkModeEnabled,
-	LogLevel: window.wails.System.LogLevel,
-	Platform: window.wails.System.Platform,
-	AppType: window.wails.System.AppType,
+	LogLevel: LogLevel,
+	Platform: Platform,
+	AppType: AppType,
 	AppConfig: AppConfig,
 };

v2/internal/runtime/js/webpack.desktop.js

@@ -13,7 +13,7 @@ module.exports = {
   mode: 'production',
   output: {
     path: path.resolve(__dirname, '..', 'assets'),
-    filename: 'desktop.js',
+    filename: 'desktop_'+platform+'.js',
     library: 'Wails'
   },
   resolve: {

v2/internal/runtime/menu.go

@@ -1,48 +1,41 @@
 package runtime
 
 import (
-	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
 	"github.com/wailsapp/wails/v2/pkg/menu"
 )
 
 // Menu defines all Menu related operations
 type Menu interface {
-	On(menuID string, callback func(*menu.MenuItem))
-	Update()
-	GetByID(menuID string) *menu.MenuItem
-	RemoveByID(id string) bool
+	UpdateApplicationMenu()
+	UpdateContextMenu(contextMenu *menu.ContextMenu)
+	SetTrayMenu(trayMenu *menu.TrayMenu)
+	UpdateTrayMenuLabel(trayMenu *menu.TrayMenu)
 }
 
 type menuRuntime struct {
-	bus  *servicebus.ServiceBus
-	menu *menu.Menu
+	bus *servicebus.ServiceBus
 }
 
 // newMenu creates a new Menu struct
-func newMenu(bus *servicebus.ServiceBus, menu *menu.Menu) Menu {
+func newMenu(bus *servicebus.ServiceBus) Menu {
 	return &menuRuntime{
-		bus:  bus,
-		menu: menu,
+		bus: bus,
 	}
 }
 
-// On registers a listener for a particular event
-func (m *menuRuntime) On(menuID string, callback func(*menu.MenuItem)) {
-	m.bus.Publish("menu:on", &message.MenuOnMessage{
-		MenuID:   menuID,
-		Callback: callback,
-	})
+func (m *menuRuntime) UpdateApplicationMenu() {
+	m.bus.Publish("menu:updateappmenu", nil)
 }
 
-func (m *menuRuntime) Update() {
-	m.bus.Publish("menu:update", m.menu)
+func (m *menuRuntime) UpdateContextMenu(contextMenu *menu.ContextMenu) {
+	m.bus.Publish("menu:updatecontextmenu", contextMenu)
 }
 
-func (m *menuRuntime) GetByID(menuID string) *menu.MenuItem {
-	return m.menu.GetByID(menuID)
+func (m *menuRuntime) SetTrayMenu(trayMenu *menu.TrayMenu) {
+	m.bus.Publish("menu:settraymenu", trayMenu)
 }
 
-func (m *menuRuntime) RemoveByID(id string) bool {
-	return m.menu.RemoveByID(id)
+func (m *menuRuntime) UpdateTrayMenuLabel(trayMenu *menu.TrayMenu) {
+	m.bus.Publish("menu:updatetraymenulabel", trayMenu)
 }

v2/internal/runtime/runtime.go

@@ -2,37 +2,33 @@ package runtime
 
 import (
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/menu"
 )
 
 // Runtime is a means for the user to interact with the application at runtime
 type Runtime struct {
-	Browser     Browser
-	Events      Events
-	Window      Window
-	Dialog      Dialog
-	System      System
-	Menu        Menu
-	ContextMenu ContextMenus
-	Tray        Tray
-	Store       *StoreProvider
-	Log         Log
-	bus         *servicebus.ServiceBus
+	Browser          Browser
+	Events           Events
+	Window           Window
+	Dialog           Dialog
+	System           System
+	Menu             Menu
+	Store            *StoreProvider
+	Log              Log
+	bus              *servicebus.ServiceBus
+	shutdownCallback func()
 }
 
 // New creates a new runtime
-func New(serviceBus *servicebus.ServiceBus, menu *menu.Menu, trayMenu *menu.TrayOptions, contextMenus *menu.ContextMenus) *Runtime {
+func New(serviceBus *servicebus.ServiceBus, shutdownCallback func()) *Runtime {
 	result := &Runtime{
-		Browser:     newBrowser(),
-		Events:      newEvents(serviceBus),
-		Window:      newWindow(serviceBus),
-		Dialog:      newDialog(serviceBus),
-		System:      newSystem(serviceBus),
-		Menu:        newMenu(serviceBus, menu),
-		Tray:        newTray(serviceBus, trayMenu),
-		ContextMenu: newContextMenus(serviceBus, contextMenus),
-		Log:         newLog(serviceBus),
-		bus:         serviceBus,
+		Browser: newBrowser(),
+		Events:  newEvents(serviceBus),
+		Window:  newWindow(serviceBus),
+		Dialog:  newDialog(serviceBus),
+		System:  newSystem(serviceBus),
+		Menu:    newMenu(serviceBus),
+		Log:     newLog(serviceBus),
+		bus:     serviceBus,
 	}
 	result.Store = newStore(result)
 	return result
@@ -40,5 +36,11 @@ func New(serviceBus *servicebus.ServiceBus, menu *menu.Menu, trayMenu *menu.Tray
 
 // Quit the application
 func (r *Runtime) Quit() {
+	// Call back to user's shutdown method if defined
+	if r.shutdownCallback != nil {
+		r.shutdownCallback()
+	}
+
+	// Start shutdown of Wails
 	r.bus.Publish("quit", "runtime.Quit()")
 }

v2/internal/runtime/scripts/rebuild.go

@@ -0,0 +1,85 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/internal/fs"
+	"github.com/wailsapp/wails/v2/internal/shell"
+)
+
+func main() {
+
+	sourceDir := fs.RelativePath("../../../internal/runtime/js")
+
+	platforms := []string{"darwin"}
+
+	for _, platform := range platforms {
+		println("Building JS Runtime for " + platform)
+		envvars := []string{"WAILSPLATFORM=" + platform}
+
+		// Split up the InstallCommand and execute it
+		stdout, stderr, err := shell.RunCommand(sourceDir, "npm", "install")
+		if err != nil {
+			for _, l := range strings.Split(stdout, "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			for _, l := range strings.Split(stderr, "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+		}
+
+		runtimeDir := fs.RelativePath("../js")
+		cmd := shell.CreateCommand(runtimeDir, "npm", "run", "build:desktop")
+		cmd.Env = append(os.Environ(), envvars...)
+		var stdo, stde bytes.Buffer
+		cmd.Stdout = &stdo
+		cmd.Stderr = &stde
+		err = cmd.Run()
+		if err != nil {
+			for _, l := range strings.Split(stdo.String(), "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			for _, l := range strings.Split(stde.String(), "\n") {
+				fmt.Printf("    %s\n", l)
+			}
+			log.Fatal(err)
+		}
+
+		wailsJS := fs.RelativePath("../assets/desktop_" + platform + ".js")
+		runtimeData, err := ioutil.ReadFile(wailsJS)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		// Copy this file to bridge directory for embedding
+		bridgeDir := fs.RelativePath("../../bridge/" + platform + ".js")
+		println("Copying", wailsJS, "to", bridgeDir)
+		err = fs.CopyFile(wailsJS, bridgeDir)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		// Convert to C structure
+		runtimeC := `
+// runtime.c (c) 2019-Present Lea Anthony.
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file was auto-generated. DO NOT MODIFY.
+const unsigned char runtime[]={`
+		for _, b := range runtimeData {
+			runtimeC += fmt.Sprintf("0x%x, ", b)
+		}
+		runtimeC += "0x00};"
+
+		// Save file
+		outputFile := fs.RelativePath(fmt.Sprintf("../../ffenestri/runtime_%s.c", platform))
+
+		if err := ioutil.WriteFile(outputFile, []byte(runtimeC), 0600); err != nil {
+			log.Fatal(err)
+		}
+	}
+}

v2/internal/runtime/store.go

@@ -6,9 +6,12 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	golog "log"
 	"os"
 	"reflect"
 	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/deepcopy"
 )
 
 // Options defines the optional data that may be used
@@ -64,21 +67,31 @@ func fatal(err error) {
 // New creates a new store
 func (p *StoreProvider) New(name string, defaultValue interface{}) *Store {
 
-	dataType := reflect.TypeOf(defaultValue)
+	if defaultValue == nil {
+		golog.Fatal("Cannot initialise a store with nil")
+	}
 
 	result := Store{
-		name:     name,
-		runtime:  p.runtime,
-		data:     reflect.ValueOf(defaultValue),
-		dataType: dataType,
+		name:    name,
+		runtime: p.runtime,
 	}
 
 	// Setup the sync listener
 	result.setupListener()
 
+	result.Set(defaultValue)
+
 	return &result
 }
 
+func (s *Store) lock() {
+	s.mux.Lock()
+}
+
+func (s *Store) unlock() {
+	s.mux.Unlock()
+}
+
 // OnError takes a function that will be called
 // whenever an error occurs
 func (s *Store) OnError(callback func(error)) {
@@ -105,7 +118,7 @@ func (s *Store) processUpdatedData(data string) error {
 	}
 
 	// Lock mutex for writing
-	s.mux.Lock()
+	s.lock()
 
 	// Handle nulls
 	if newData == nil {
@@ -116,7 +129,7 @@ func (s *Store) processUpdatedData(data string) error {
 	}
 
 	// Unlock mutex
-	s.mux.Unlock()
+	s.unlock()
 
 	return nil
 }
@@ -146,20 +159,34 @@ func (s *Store) setupListener() {
 		// Resetting the curent data will resync
 		s.resync()
 	})
+
+	// Do initial resync
+	s.resync()
 }
 
 func (s *Store) resync() {
-	// Stringify data
-	newdata, err := json.Marshal(s.data.Interface())
-	if err != nil {
-		if s.errorHandler != nil {
-			s.errorHandler(err)
-			return
+
+	// Lock
+	s.lock()
+	defer s.unlock()
+
+	var result string
+
+	if s.data.IsValid() {
+		rawdata, err := json.Marshal(s.data.Interface())
+		if err != nil {
+			if s.errorHandler != nil {
+				s.errorHandler(err)
+				return
+			}
 		}
+		result = string(rawdata)
+	} else {
+		result = "{}"
 	}
 
 	// Emit event to front end
-	s.runtime.Events.Emit("wails:sync:store:updatedbybackend:"+s.name, string(newdata))
+	s.runtime.Events.Emit("wails:sync:store:updatedbybackend:"+s.name, result)
 
 	// Notify subscribers
 	s.notify()
@@ -172,7 +199,9 @@ func (s *Store) notify() {
 	for _, callback := range s.callbacks {
 
 		// Build args
+		s.lock()
 		args := []reflect.Value{s.data}
+		s.unlock()
 
 		if s.notifySynchronously {
 			callback.Call(args)
@@ -187,16 +216,31 @@ func (s *Store) notify() {
 // and notify listeners of the change
 func (s *Store) Set(data interface{}) error {
 
-	inType := reflect.TypeOf(data)
+	if data == nil {
+		return fmt.Errorf("cannot set store to nil")
+	}
 
-	if inType != s.dataType {
-		return fmt.Errorf("invalid data given in Store.Set(). Expected %s, got %s", s.dataType.String(), inType.String())
+	s.lock()
+
+	dataCopy := deepcopy.Copy(data)
+
+	if dataCopy != nil {
+		inType := reflect.TypeOf(dataCopy)
+
+		if inType != s.dataType && s.data.IsValid() {
+			s.unlock()
+			return fmt.Errorf("invalid data given in Store.Set(). Expected %s, got %s", s.dataType.String(), inType.String())
+		}
+	}
+
+	if s.dataType == nil {
+		s.dataType = reflect.TypeOf(dataCopy)
 	}
 
 	// Save data
-	s.mux.Lock()
-	s.data = reflect.ValueOf(data)
-	s.mux.Unlock()
+	s.data = reflect.ValueOf(dataCopy)
+
+	s.unlock()
 
 	// Resync with subscribers
 	s.resync()
@@ -247,7 +291,9 @@ func (s *Store) Subscribe(callback interface{}) {
 
 	callbackFunc := reflect.ValueOf(callback)
 
+	s.lock()
 	s.callbacks = append(s.callbacks, callbackFunc)
+	s.unlock()
 }
 
 // updaterCheck ensures the given function to Update() is
@@ -297,7 +343,9 @@ func (s *Store) Update(updater interface{}) {
 	}
 
 	// Build args
+	s.lock()
 	args := []reflect.Value{s.data}
+	s.unlock()
 
 	// Make call
 	results := reflect.ValueOf(updater).Call(args)
@@ -308,5 +356,12 @@ func (s *Store) Update(updater interface{}) {
 
 // Get returns the value of the data that's kept in the current state / Store
 func (s *Store) Get() interface{} {
+	s.lock()
+	defer s.unlock()
+
+	if !s.data.IsValid() {
+		return nil
+	}
+
 	return s.data.Interface()
 }

v2/internal/runtime/store_test.go

@@ -0,0 +1,165 @@
+package runtime
+
+import (
+	"context"
+	"math/rand"
+	"sync"
+	"testing"
+	"time"
+
+	internallogger "github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/pkg/logger"
+
+	is2 "github.com/matryer/is"
+)
+
+func TestStoreProvider_NewWithNilDefault(t *testing.T) {
+	is := is2.New(t)
+
+	defaultLogger := logger.NewDefaultLogger()
+	testLogger := internallogger.New(defaultLogger)
+	//testLogger.SetLogLevel(logger.TRACE)
+	serviceBus := servicebus.New(testLogger)
+	err := serviceBus.Start()
+	is.NoErr(err)
+	defer serviceBus.Stop()
+
+	testRuntime := New(serviceBus)
+	storeProvider := newStore(testRuntime)
+
+	testStore := storeProvider.New("test", 0)
+
+	// You should be able to write a new value into a
+	// store initialised with nil
+	err = testStore.Set(100)
+	is.NoErr(err)
+
+	// You shouldn't be able to write different types to the
+	// store
+	err = testStore.Set(false)
+	is.True(err != nil)
+}
+
+func TestStoreProvider_NewWithScalarDefault(t *testing.T) {
+	is := is2.New(t)
+
+	defaultLogger := logger.NewDefaultLogger()
+	testLogger := internallogger.New(defaultLogger)
+	//testLogger.SetLogLevel(logger.TRACE)
+	serviceBus := servicebus.New(testLogger)
+	err := serviceBus.Start()
+	is.NoErr(err)
+	defer serviceBus.Stop()
+
+	testRuntime := New(serviceBus)
+	storeProvider := newStore(testRuntime)
+	testStore := storeProvider.New("test", 100)
+	value := testStore.Get()
+	is.Equal(value, 100)
+	testStore.resync()
+	value = testStore.Get()
+	is.Equal(value, 100)
+}
+
+func TestStoreProvider_NewWithStructDefault(t *testing.T) {
+	is := is2.New(t)
+
+	defaultLogger := logger.NewDefaultLogger()
+	testLogger := internallogger.New(defaultLogger)
+	//testLogger.SetLogLevel(logger.TRACE)
+	serviceBus := servicebus.New(testLogger)
+	err := serviceBus.Start()
+	is.NoErr(err)
+	defer serviceBus.Stop()
+
+	testRuntime := New(serviceBus)
+	storeProvider := newStore(testRuntime)
+
+	type TestValue struct {
+		Name string
+	}
+	testValue := &TestValue{
+		Name: "hi",
+	}
+
+	testStore := storeProvider.New("test", testValue)
+
+	err = testStore.Set(testValue)
+	is.NoErr(err)
+	testStore.resync()
+	value := testStore.Get()
+	is.Equal(value, testValue)
+	is.Equal(value.(*TestValue).Name, "hi")
+
+	testValue = &TestValue{
+		Name: "there",
+	}
+	err = testStore.Set(testValue)
+	is.NoErr(err)
+	testStore.resync()
+	value = testStore.Get()
+	is.Equal(value, testValue)
+	is.Equal(value.(*TestValue).Name, "there")
+
+}
+
+func TestStoreProvider_RapidReadWrite(t *testing.T) {
+	is := is2.New(t)
+
+	defaultLogger := logger.NewDefaultLogger()
+	testLogger := internallogger.New(defaultLogger)
+	//testLogger.SetLogLevel(logger.TRACE)
+	serviceBus := servicebus.New(testLogger)
+	err := serviceBus.Start()
+	is.NoErr(err)
+	defer serviceBus.Stop()
+
+	testRuntime := New(serviceBus)
+	storeProvider := newStore(testRuntime)
+
+	testStore := storeProvider.New("test", 1)
+
+	ctx, _ := context.WithTimeout(context.Background(), 3*time.Second)
+
+	var wg sync.WaitGroup
+	readers := 100
+	writers := 100
+	wg.Add(readers + writers)
+	// Setup readers
+	go func(testStore *Store, ctx context.Context) {
+		for readerCount := 0; readerCount < readers; readerCount++ {
+			go func(store *Store, ctx context.Context, id int) {
+				for {
+					select {
+					case <-ctx.Done():
+						wg.Done()
+						return
+					default:
+						store.Get()
+					}
+				}
+			}(testStore, ctx, readerCount)
+		}
+	}(testStore, ctx)
+
+	// Setup writers
+	go func(testStore *Store, ctx context.Context) {
+		for writerCount := 0; writerCount < writers; writerCount++ {
+			go func(store *Store, ctx context.Context, id int) {
+				for {
+					select {
+					case <-ctx.Done():
+						wg.Done()
+						return
+					default:
+						err := store.Set(rand.Int())
+						is.NoErr(err)
+					}
+				}
+			}(testStore, ctx, writerCount)
+		}
+	}(testStore, ctx)
+
+	wg.Wait()
+}

v2/internal/runtime/system.go

@@ -44,6 +44,7 @@ func (r *system) IsDarkMode() bool {
 	systemResponseChannel, err := r.bus.Subscribe(responseTopic)
 	if err != nil {
 		fmt.Printf("ERROR: Cannot subscribe to bus topic: %+v\n", err.Error())
+		return false
 	}
 
 	message := "system:isdarkmode:" + uniqueCallback

v2/internal/runtime/system_default.go

@@ -0,0 +1,8 @@
+// +build !desktop,!server
+
+package runtime
+
+// AppType returns the application type, EG: desktop
+func (r *system) AppType() string {
+	return "default"
+}

v2/internal/runtime/tray.go

@@ -1,57 +0,0 @@
-package runtime
-
-import (
-	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
-	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/menu"
-)
-
-// Tray defines all Tray related operations
-type Tray interface {
-	On(menuID string, callback func(*menu.MenuItem))
-	Update()
-	GetByID(menuID string) *menu.MenuItem
-	RemoveByID(id string) bool
-	SetLabel(label string)
-	SetIcon(name string)
-}
-
-type trayRuntime struct {
-	bus      *servicebus.ServiceBus
-	trayMenu *menu.TrayOptions
-}
-
-// newTray creates a new Menu struct
-func newTray(bus *servicebus.ServiceBus, menu *menu.TrayOptions) Tray {
-	return &trayRuntime{
-		bus:      bus,
-		trayMenu: menu,
-	}
-}
-
-// On registers a listener for a particular event
-func (t *trayRuntime) On(menuID string, callback func(*menu.MenuItem)) {
-	t.bus.Publish("tray:on", &message.TrayOnMessage{
-		MenuID:   menuID,
-		Callback: callback,
-	})
-}
-
-func (t *trayRuntime) Update() {
-	t.bus.Publish("tray:update", t.trayMenu)
-}
-
-func (t *trayRuntime) SetLabel(label string) {
-	t.bus.Publish("tray:setlabel", label)
-}
-func (t *trayRuntime) SetIcon(name string) {
-	t.bus.Publish("tray:seticon", name)
-}
-
-func (t *trayRuntime) GetByID(menuID string) *menu.MenuItem {
-	return t.trayMenu.Menu.GetByID(menuID)
-}
-
-func (t *trayRuntime) RemoveByID(id string) bool {
-	return t.trayMenu.Menu.RemoveByID(id)
-}

v2/internal/runtime/window.go

@@ -18,6 +18,8 @@ type Window interface {
 	Unminimise()
 	SetTitle(title string)
 	SetSize(width int, height int)
+	SetMinSize(width int, height int)
+	SetMaxSize(width int, height int)
 	SetPosition(x int, y int)
 	Fullscreen()
 	UnFullscreen()
@@ -85,6 +87,18 @@ func (w *window) SetSize(width int, height int) {
 	w.bus.Publish(message, "")
 }
 
+// SetSize sets the size of the window
+func (w *window) SetMinSize(width int, height int) {
+	message := fmt.Sprintf("window:minsize:%d:%d", width, height)
+	w.bus.Publish(message, "")
+}
+
+// SetSize sets the size of the window
+func (w *window) SetMaxSize(width int, height int) {
+	message := fmt.Sprintf("window:maxsize:%d:%d", width, height)
+	w.bus.Publish(message, "")
+}
+
 // SetPosition sets the position of the window
 func (w *window) SetPosition(x int, y int) {
 	message := fmt.Sprintf("window:position:%d:%d", x, y)

v2/internal/servicebus/servicebus.go

@@ -1,6 +1,7 @@
 package servicebus
 
 import (
+	"context"
 	"fmt"
 	"strings"
 	"sync"
@@ -12,23 +13,26 @@ import (
 type ServiceBus struct {
 	listeners    map[string][]chan *Message
 	messageQueue chan *Message
-	quitChannel  chan struct{}
-	wg           sync.WaitGroup
 	lock         sync.RWMutex
 	closed       bool
 	debug        bool
 	logger       logger.CustomLogger
+	ctx          context.Context
+	cancel       context.CancelFunc
 }
 
 // New creates a new ServiceBus
 // The internal message queue is set to 100 messages
 // Listener queues are set to 10
 func New(logger *logger.Logger) *ServiceBus {
+
+	ctx, cancel := context.WithCancel(context.Background())
 	return &ServiceBus{
 		listeners:    make(map[string][]chan *Message),
 		messageQueue: make(chan *Message, 100),
-		quitChannel:  make(chan struct{}, 1),
 		logger:       logger.CustomLogger("Service Bus"),
+		ctx:          ctx,
+		cancel:       cancel,
 	}
 }
 
@@ -63,23 +67,22 @@ func (s *ServiceBus) Debug() {
 // Start the service bus
 func (s *ServiceBus) Start() error {
 
-	s.logger.Trace("Starting")
-
 	// Prevent starting when closed
 	if s.closed {
 		return fmt.Errorf("cannot call start on closed servicebus")
 	}
 
-	// We run in a different thread
-	go func() {
+	s.logger.Trace("Starting")
 
-		quit := false
-		s.wg.Add(1)
+	go func() {
+		defer s.logger.Trace("Stopped")
 
 		// Loop until we get a quit message
-		for !quit {
+		for {
 
 			select {
+			case <-s.ctx.Done():
+				return
 
 			// Listen for messages
 			case message := <-s.messageQueue:
@@ -90,16 +93,9 @@ func (s *ServiceBus) Start() error {
 				}
 				// Dispatch message
 				s.dispatchMessage(message)
-
-			// Listen for quit messages
-			case <-s.quitChannel:
-				quit = true
 			}
 		}
 
-		// Indicate we have shut down
-		s.wg.Done()
-
 	}()
 
 	return nil
@@ -116,10 +112,7 @@ func (s *ServiceBus) Stop() error {
 	s.closed = true
 
 	// Send quit message
-	s.quitChannel <- struct{}{}
-
-	// Wait for dispatcher to stop
-	s.wg.Wait()
+	s.cancel()
 
 	// Close down subscriber channels
 	s.lock.Lock()
@@ -134,7 +127,6 @@ func (s *ServiceBus) Stop() error {
 	// Close message queue
 	close(s.messageQueue)
 
-	s.logger.Trace("Stopped")
 	return nil
 }
 
@@ -171,7 +163,6 @@ func (s *ServiceBus) Subscribe(topic string) (<-chan *Message, error) {
 func (s *ServiceBus) Publish(topic string, data interface{}) {
 	// Prevent publish when closed
 	if s.closed {
-		s.logger.Fatal("cannot call publish on closed servicebus")
 		return
 	}
 
@@ -183,7 +174,6 @@ func (s *ServiceBus) Publish(topic string, data interface{}) {
 func (s *ServiceBus) PublishForTarget(topic string, data interface{}, target string) {
 	// Prevent publish when closed
 	if s.closed {
-		s.logger.Fatal("cannot call publish on closed servicebus")
 		return
 	}
 	message := NewMessageForTarget(topic, data, target)

v2/internal/signal/signal.go

@@ -1,8 +1,10 @@
 package signal
 
 import (
+	"context"
 	"os"
 	gosignal "os/signal"
+	"sync"
 	"syscall"
 
 	"github.com/wailsapp/wails/v2/internal/logger"
@@ -20,24 +22,29 @@ type Manager struct {
 	// signalChannel
 	signalchannel chan os.Signal
 
-	// Quit channel
-	quitChannel <-chan *servicebus.Message
+	// ctx
+	ctx    context.Context
+	cancel context.CancelFunc
+
+	// The shutdown callback to notify the user's app that a shutdown
+	// has started
+	shutdownCallback func()
+
+	// Parent waitgroup
+	wg *sync.WaitGroup
 }
 
 // NewManager creates a new signal manager
-func NewManager(bus *servicebus.ServiceBus, logger *logger.Logger) (*Manager, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+func NewManager(ctx context.Context, cancel context.CancelFunc, bus *servicebus.ServiceBus, logger *logger.Logger, shutdownCallback func()) (*Manager, error) {
 
 	result := &Manager{
-		bus:           bus,
-		logger:        logger.CustomLogger("Event Manager"),
-		signalchannel: make(chan os.Signal, 2),
-		quitChannel:   quitChannel,
+		bus:              bus,
+		logger:           logger.CustomLogger("Event Manager"),
+		signalchannel:    make(chan os.Signal, 2),
+		ctx:              ctx,
+		cancel:           cancel,
+		shutdownCallback: shutdownCallback,
+		wg:               ctx.Value("waitgroup").(*sync.WaitGroup),
 	}
 
 	return result, nil
@@ -49,20 +56,28 @@ func (m *Manager) Start() {
 	// Hook into interrupts
 	gosignal.Notify(m.signalchannel, os.Interrupt, syscall.SIGTERM)
 
-	// Spin off signal listener
+	m.wg.Add(1)
+
+	// Spin off signal listener and wait for either a cancellation
+	// or signal
 	go func() {
-		running := true
-		for running {
-			select {
-			case <-m.signalchannel:
-				println()
-				m.logger.Trace("Ctrl+C detected. Shutting down...")
-				m.bus.Publish("quit", "ctrl-c pressed")
-			case <-m.quitChannel:
-				running = false
-				break
+		select {
+		case <-m.signalchannel:
+			println()
+			m.logger.Trace("Ctrl+C detected. Shutting down...")
+			m.bus.Publish("quit", "ctrl-c pressed")
+
+			// Shutdown app first
+			if m.shutdownCallback != nil {
+				m.shutdownCallback()
 			}
+
+			// Start shutdown of Wails
+			m.cancel()
+
+		case <-m.ctx.Done():
 		}
 		m.logger.Trace("Shutdown")
+		m.wg.Done()
 	}()
 }

v2/internal/subsystem/binding.go

@@ -5,16 +5,14 @@ import (
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/runtime"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"os"
-	"time"
 )
 
 // Binding is the Binding subsystem. It manages all service bus messages
 // starting with "binding".
 type Binding struct {
-	quitChannel    <-chan *servicebus.Message
 	bindingChannel <-chan *servicebus.Message
-	running        bool
+
+	running bool
 
 	// Binding db
 	bindings *binding.Bindings
@@ -26,22 +24,9 @@ type Binding struct {
 	runtime *runtime.Runtime
 }
 
-func showError(err error) {
-	// Add a slight delay so log buffer clears
-	time.Sleep(1 * time.Second)
-	println("\n\n\n\n\n\n")
-	println("Fatal Error in WailsInit(): " + err.Error())
-}
-
 // NewBinding creates a new binding subsystem. Uses the given bindings db for reference.
 func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *binding.Bindings, runtime *runtime.Runtime) (*Binding, error) {
 
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
-
 	// Subscribe to event messages
 	bindingChannel, err := bus.Subscribe("binding")
 	if err != nil {
@@ -49,23 +34,12 @@ func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *bin
 	}
 
 	result := &Binding{
-		quitChannel:    quitChannel,
 		bindingChannel: bindingChannel,
 		logger:         logger.CustomLogger("Binding Subsystem"),
 		bindings:       bindings,
 		runtime:        runtime,
 	}
 
-	// Call WailsInit methods once the frontend is loaded
-	runtime.Events.On("wails:loaded", func(...interface{}) {
-		result.logger.Trace("Calling WailsInit() methods")
-		err := result.CallWailsInit()
-		if err != nil {
-			showError(err)
-			os.Exit(1)
-		}
-	})
-
 	return result, nil
 }
 
@@ -80,48 +54,16 @@ func (b *Binding) Start() error {
 	go func() {
 		for b.running {
 			select {
-			case <-b.quitChannel:
-				b.running = false
 			case bindingMessage := <-b.bindingChannel:
 				b.logger.Trace("Got binding message: %+v", bindingMessage)
 			}
 		}
-
-		// Call shutdown
-		b.shutdown()
+		b.logger.Trace("Shutdown")
 	}()
 
 	return nil
 }
 
-// CallWailsInit will callback to the registered WailsInit
-// methods with the runtime object
-func (b *Binding) CallWailsInit() error {
-	for _, wailsinit := range b.bindings.DB().WailsInitMethods() {
-		_, err := wailsinit.Call([]interface{}{b.runtime})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// CallWailsShutdown will callback to the registered WailsShutdown
-// methods with the runtime object
-func (b *Binding) CallWailsShutdown() error {
-	for _, wailsshutdown := range b.bindings.DB().WailsShutdownMethods() {
-		_, err := wailsshutdown.Call([]interface{}{})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (b *Binding) shutdown() {
-	err := b.CallWailsShutdown()
-	if err != nil {
-		showError(err)
-	}
-	b.logger.Trace("Shutdown")
+func (b *Binding) Close() {
+	b.running = false
 }

v2/internal/subsystem/call.go

@@ -1,24 +1,28 @@
 package subsystem
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"strings"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
 
 	"github.com/wailsapp/wails/v2/internal/binding"
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/runtime"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 // Call is the Call subsystem. It manages all service bus messages
 // starting with "call".
 type Call struct {
-	quitChannel <-chan *servicebus.Message
 	callChannel <-chan *servicebus.Message
-	running     bool
+
+	// quit flag
+	shouldQuit bool
 
 	// bindings DB
 	DB *binding.DB
@@ -31,16 +35,16 @@ type Call struct {
 
 	// runtime
 	runtime *runtime.Runtime
+
+	// context
+	ctx context.Context
+
+	// parent waitgroup
+	wg *sync.WaitGroup
 }
 
 // NewCall creates a new call subsystem
-func NewCall(bus *servicebus.ServiceBus, logger *logger.Logger, DB *binding.DB, runtime *runtime.Runtime) (*Call, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+func NewCall(ctx context.Context, bus *servicebus.ServiceBus, logger *logger.Logger, DB *binding.DB, runtime *runtime.Runtime) (*Call, error) {
 
 	// Subscribe to event messages
 	callChannel, err := bus.Subscribe("call:invoke")
@@ -49,12 +53,13 @@ func NewCall(bus *servicebus.ServiceBus, logger *logger.Logger, DB *binding.DB,
 	}
 
 	result := &Call{
-		quitChannel: quitChannel,
 		callChannel: callChannel,
 		logger:      logger.CustomLogger("Call Subsystem"),
 		DB:          DB,
 		bus:         bus,
 		runtime:     runtime,
+		ctx:         ctx,
+		wg:          ctx.Value("waitgroup").(*sync.WaitGroup),
 	}
 
 	return result, nil
@@ -63,22 +68,21 @@ func NewCall(bus *servicebus.ServiceBus, logger *logger.Logger, DB *binding.DB,
 // Start the subsystem
 func (c *Call) Start() error {
 
-	c.running = true
+	c.wg.Add(1)
 
 	// Spin off a go routine
 	go func() {
-		for c.running {
+		defer c.logger.Trace("Shutdown")
+		for {
 			select {
-			case <-c.quitChannel:
-				c.running = false
+			case <-c.ctx.Done():
+				c.wg.Done()
+				return
 			case callMessage := <-c.callChannel:
-				// TODO: Check if this works ok in a goroutine
 				c.processCall(callMessage)
 			}
 		}
 
-		// Call shutdown
-		c.shutdown()
 	}()
 
 	return nil
@@ -131,7 +135,7 @@ func (c *Call) processSystemCall(payload *message.CallMessage, clientID string)
 		darkModeEnabled := c.runtime.System.IsDarkMode()
 		c.sendResult(darkModeEnabled, payload, clientID)
 	case "Dialog.Open":
-		dialogOptions := new(options.OpenDialog)
+		dialogOptions := new(dialog.OpenDialog)
 		err := json.Unmarshal(payload.Args[0], dialogOptions)
 		if err != nil {
 			c.logger.Error("Error decoding: %s", err)
@@ -139,7 +143,7 @@ func (c *Call) processSystemCall(payload *message.CallMessage, clientID string)
 		result := c.runtime.Dialog.Open(dialogOptions)
 		c.sendResult(result, payload, clientID)
 	case "Dialog.Save":
-		dialogOptions := new(options.SaveDialog)
+		dialogOptions := new(dialog.SaveDialog)
 		err := json.Unmarshal(payload.Args[0], dialogOptions)
 		if err != nil {
 			c.logger.Error("Error decoding: %s", err)
@@ -147,7 +151,7 @@ func (c *Call) processSystemCall(payload *message.CallMessage, clientID string)
 		result := c.runtime.Dialog.Save(dialogOptions)
 		c.sendResult(result, payload, clientID)
 	case "Dialog.Message":
-		dialogOptions := new(options.MessageDialog)
+		dialogOptions := new(dialog.MessageDialog)
 		err := json.Unmarshal(payload.Args[0], dialogOptions)
 		if err != nil {
 			c.logger.Error("Error decoding: %s", err)
@@ -190,10 +194,6 @@ func (c *Call) sendError(err error, payload *message.CallMessage, clientID strin
 	c.bus.PublishForTarget("call:result", string(messageData), clientID)
 }
 
-func (c *Call) shutdown() {
-	c.logger.Trace("Shutdown")
-}
-
 // CallbackMessage defines a message that contains the result of a call
 type CallbackMessage struct {
 	Result     interface{} `json:"result"`

v2/internal/subsystem/contextmenus.go

@@ -1,200 +0,0 @@
-package subsystem
-
-import (
-	"encoding/json"
-	"strings"
-	"sync"
-
-	"github.com/wailsapp/wails/v2/internal/logger"
-	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
-	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/menu"
-)
-
-// ContextMenus is the subsystem that handles the operation of context menus. It manages all service bus messages
-// starting with "contextmenus".
-type ContextMenus struct {
-	quitChannel <-chan *servicebus.Message
-	menuChannel <-chan *servicebus.Message
-	running     bool
-
-	// Event listeners
-	listeners  map[string][]func(*menu.MenuItem, string)
-	menuItems  map[string]*menu.MenuItem
-	notifyLock sync.RWMutex
-
-	// logger
-	logger logger.CustomLogger
-
-	// The context menus
-	contextMenus *menu.ContextMenus
-
-	// Service Bus
-	bus *servicebus.ServiceBus
-}
-
-// NewContextMenus creates a new context menu subsystem
-func NewContextMenus(contextMenus *menu.ContextMenus, bus *servicebus.ServiceBus, logger *logger.Logger) (*ContextMenus, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
-
-	// Subscribe to menu messages
-	menuChannel, err := bus.Subscribe("contextmenus:")
-	if err != nil {
-		return nil, err
-	}
-
-	result := &ContextMenus{
-		quitChannel:  quitChannel,
-		menuChannel:  menuChannel,
-		logger:       logger.CustomLogger("Context Menu Subsystem"),
-		listeners:    make(map[string][]func(*menu.MenuItem, string)),
-		menuItems:    make(map[string]*menu.MenuItem),
-		contextMenus: contextMenus,
-		bus:          bus,
-	}
-
-	// Build up list of item/id pairs
-	result.processContextMenus(contextMenus)
-
-	return result, nil
-}
-
-type contextMenuData struct {
-	MenuItemID string `json:"menuItemID"`
-	Data       string `json:"data"`
-}
-
-// Start the subsystem
-func (c *ContextMenus) Start() error {
-
-	c.logger.Trace("Starting")
-
-	c.running = true
-
-	// Spin off a go routine
-	go func() {
-		for c.running {
-			select {
-			case <-c.quitChannel:
-				c.running = false
-				break
-			case menuMessage := <-c.menuChannel:
-				splitTopic := strings.Split(menuMessage.Topic(), ":")
-				menuMessageType := splitTopic[1]
-				switch menuMessageType {
-				case "clicked":
-					if len(splitTopic) != 2 {
-						c.logger.Error("Received clicked message with invalid topic format. Expected 2 sections in topic, got %s", splitTopic)
-						continue
-					}
-					c.logger.Trace("Got Context Menu clicked Message: %s %+v", menuMessage.Topic(), menuMessage.Data())
-					contextMenuDataJSON := menuMessage.Data().(string)
-
-					var data contextMenuData
-					err := json.Unmarshal([]byte(contextMenuDataJSON), &data)
-					if err != nil {
-						c.logger.Trace("Cannot process contextMenuDataJSON %s", string(contextMenuDataJSON))
-						return
-					}
-
-					// Get the menu item
-					menuItem := c.menuItems[data.MenuItemID]
-					if menuItem == nil {
-						c.logger.Trace("Cannot process menuitem id %s - unknown", data.MenuItemID)
-						return
-					}
-
-					// Is the menu item a checkbox?
-					if menuItem.Type == menu.CheckboxType {
-						// Toggle state
-						menuItem.Checked = !menuItem.Checked
-					}
-
-					// Notify listeners
-					c.notifyListeners(data, menuItem)
-				case "on":
-					listenerDetails := menuMessage.Data().(*message.ContextMenusOnMessage)
-					id := listenerDetails.MenuID
-					c.listeners[id] = append(c.listeners[id], listenerDetails.Callback)
-
-				// Make sure we catch any menu updates
-				case "update":
-					updatedMenu := menuMessage.Data().(*menu.ContextMenus)
-					c.processContextMenus(updatedMenu)
-
-					// Notify frontend of menu change
-					c.bus.Publish("contextmenufrontend:update", updatedMenu)
-
-				default:
-					c.logger.Error("unknown context menu message: %+v", menuMessage)
-				}
-			}
-		}
-
-		// Call shutdown
-		c.shutdown()
-	}()
-
-	return nil
-}
-
-func (c *ContextMenus) processContextMenus(contextMenus *menu.ContextMenus) {
-	// Initialise the variables
-	c.menuItems = make(map[string]*menu.MenuItem)
-	c.contextMenus = contextMenus
-
-	for _, contextMenu := range contextMenus.Items {
-		for _, item := range contextMenu.Items {
-			c.processMenuItem(item)
-		}
-	}
-}
-
-func (c *ContextMenus) processMenuItem(item *menu.MenuItem) {
-
-	if item.SubMenu != nil {
-		for _, submenuitem := range item.SubMenu {
-			c.processMenuItem(submenuitem)
-		}
-		return
-	}
-
-	if item.ID != "" {
-		if c.menuItems[item.ID] != nil {
-			c.logger.Error("Context Menu id '%s' is used by multiple menu items: %s %s", c.menuItems[item.ID].Label, item.Label)
-			return
-		}
-		c.menuItems[item.ID] = item
-	}
-}
-
-// Notifies listeners that the given menu was clicked
-func (c *ContextMenus) notifyListeners(contextData contextMenuData, menuItem *menu.MenuItem) {
-
-	// Get list of menu listeners
-	listeners := c.listeners[contextData.MenuItemID]
-	if listeners == nil {
-		c.logger.Trace("No listeners for MenuItem with ID '%s'", contextData.MenuItemID)
-		return
-	}
-
-	// Lock the listeners
-	c.notifyLock.Lock()
-
-	// Callback in goroutine
-	for _, listener := range listeners {
-		go listener(menuItem, contextData.Data)
-	}
-
-	// Unlock
-	c.notifyLock.Unlock()
-}
-
-func (c *ContextMenus) shutdown() {
-	c.logger.Trace("Shutdown")
-}

v2/internal/subsystem/event.go

@@ -1,6 +1,7 @@
 package subsystem
 
 import (
+	"context"
 	"strings"
 	"sync"
 
@@ -22,9 +23,7 @@ type eventListener struct {
 // Event is the Eventing subsystem. It manages all service bus messages
 // starting with "event".
 type Event struct {
-	quitChannel  <-chan *servicebus.Message
 	eventChannel <-chan *servicebus.Message
-	running      bool
 
 	// Event listeners
 	listeners  map[string][]*eventListener
@@ -32,16 +31,16 @@ type Event struct {
 
 	// logger
 	logger logger.CustomLogger
+
+	// ctx
+	ctx context.Context
+
+	// parent waitgroup
+	wg *sync.WaitGroup
 }
 
 // NewEvent creates a new log subsystem
-func NewEvent(bus *servicebus.ServiceBus, logger *logger.Logger) (*Event, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+func NewEvent(ctx context.Context, bus *servicebus.ServiceBus, logger *logger.Logger) (*Event, error) {
 
 	// Subscribe to event messages
 	eventChannel, err := bus.Subscribe("event")
@@ -50,10 +49,11 @@ func NewEvent(bus *servicebus.ServiceBus, logger *logger.Logger) (*Event, error)
 	}
 
 	result := &Event{
-		quitChannel:  quitChannel,
 		eventChannel: eventChannel,
 		logger:       logger.CustomLogger("Event Subsystem"),
 		listeners:    make(map[string][]*eventListener),
+		ctx:          ctx,
+		wg:           ctx.Value("waitgroup").(*sync.WaitGroup),
 	}
 
 	return result, nil
@@ -80,15 +80,16 @@ func (e *Event) Start() error {
 
 	e.logger.Trace("Starting")
 
-	e.running = true
+	e.wg.Add(1)
 
 	// Spin off a go routine
 	go func() {
-		for e.running {
+		defer e.logger.Trace("Shutdown")
+		for {
 			select {
-			case <-e.quitChannel:
-				e.running = false
-				break
+			case <-e.ctx.Done():
+				e.wg.Done()
+				return
 			case eventMessage := <-e.eventChannel:
 				splitTopic := strings.Split(eventMessage.Topic(), ":")
 				eventType := splitTopic[1]
@@ -128,8 +129,6 @@ func (e *Event) Start() error {
 			}
 		}
 
-		// Call shutdown
-		e.shutdown()
 	}()
 
 	return nil
@@ -190,7 +189,3 @@ func (e *Event) notifyListeners(eventName string, message *message.EventMessage)
 	// Unlock
 	e.notifyLock.Unlock()
 }
-
-func (e *Event) shutdown() {
-	e.logger.Trace("Shutdown")
-}

v2/internal/subsystem/log.go

@@ -1,8 +1,10 @@
 package subsystem
 
 import (
+	"context"
 	"strconv"
 	"strings"
+	"sync"
 
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/runtime"
@@ -12,15 +14,23 @@ import (
 // Log is the Logging subsystem. It handles messages with topics starting
 // with "log:"
 type Log struct {
-	logChannel  <-chan *servicebus.Message
-	quitChannel <-chan *servicebus.Message
-	running     bool
+	logChannel <-chan *servicebus.Message
+
+	// quit flag
+	shouldQuit bool
 
 	// Logger!
 	logger *logger.Logger
 
 	// Loglevel store
 	logLevelStore *runtime.Store
+
+	// Context for shutdown
+	ctx    context.Context
+	cancel context.CancelFunc
+
+	// internal waitgroup
+	wg sync.WaitGroup
 }
 
 // NewLog creates a new log subsystem
@@ -32,17 +42,14 @@ func NewLog(bus *servicebus.ServiceBus, logger *logger.Logger, logLevelStore *ru
 		return nil, err
 	}
 
-	// Subscribe to quit messages
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+	ctx, cancel := context.WithCancel(context.Background())
 
 	result := &Log{
 		logChannel:    logChannel,
-		quitChannel:   quitChannel,
 		logger:        logger,
 		logLevelStore: logLevelStore,
+		ctx:           ctx,
+		cancel:        cancel,
 	}
 
 	return result, nil
@@ -51,15 +58,17 @@ func NewLog(bus *servicebus.ServiceBus, logger *logger.Logger, logLevelStore *ru
 // Start the subsystem
 func (l *Log) Start() error {
 
-	l.running = true
+	l.wg.Add(1)
 
 	// Spin off a go routine
 	go func() {
-		for l.running {
+		defer l.logger.Trace("Logger Shutdown")
+
+		for l.shouldQuit == false {
 			select {
-			case <-l.quitChannel:
-				l.running = false
-				break
+			case <-l.ctx.Done():
+				l.wg.Done()
+				return
 			case logMessage := <-l.logChannel:
 				logType := strings.TrimPrefix(logMessage.Topic(), "log:")
 				switch logType {
@@ -98,8 +107,12 @@ func (l *Log) Start() error {
 				}
 			}
 		}
-		l.logger.Trace("Logger Shutdown")
 	}()
 
 	return nil
 }
+
+func (l *Log) Close() {
+	l.cancel()
+	l.wg.Wait()
+}

v2/internal/subsystem/menu.go

@@ -1,55 +1,44 @@
 package subsystem
 
 import (
+	"context"
+	"encoding/json"
 	"strings"
 	"sync"
 
-	"github.com/wailsapp/wails/v2/internal/logger"
-	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
-	"github.com/wailsapp/wails/v2/internal/servicebus"
 	"github.com/wailsapp/wails/v2/pkg/menu"
-)
 
-// eventListener holds a callback function which is invoked when
-// the event listened for is emitted. It has a counter which indicates
-// how the total number of events it is interested in. A value of zero
-// means it does not expire (default).
-// type eventListener struct {
-// 	callback func(...interface{}) // Function to call with emitted event data
-// 	counter  int                  // The number of times this callback may be called. -1 = infinite
-// 	delete   bool                 // Flag to indicate that this listener should be deleted
-// }
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+)
 
 // Menu is the subsystem that handles the operation of menus. It manages all service bus messages
 // starting with "menu".
 type Menu struct {
-	quitChannel <-chan *servicebus.Message
 	menuChannel <-chan *servicebus.Message
-	running     bool
 
-	// Event listeners
-	listeners  map[string][]func(*menu.MenuItem)
-	menuItems  map[string]*menu.MenuItem
-	notifyLock sync.RWMutex
+	// shutdown flag
+	shouldQuit bool
 
 	// logger
 	logger logger.CustomLogger
 
-	// The application menu
-	applicationMenu *menu.Menu
-
 	// Service Bus
 	bus *servicebus.ServiceBus
+
+	// Menu Manager
+	menuManager *menumanager.Manager
+
+	// ctx
+	ctx context.Context
+
+	// parent waitgroup
+	wg *sync.WaitGroup
 }
 
 // NewMenu creates a new menu subsystem
-func NewMenu(applicationMenu *menu.Menu, bus *servicebus.ServiceBus, logger *logger.Logger) (*Menu, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+func NewMenu(ctx context.Context, bus *servicebus.ServiceBus, logger *logger.Logger, menuManager *menumanager.Manager) (*Menu, error) {
 
 	// Subscribe to menu messages
 	menuChannel, err := bus.Subscribe("menu:")
@@ -58,18 +47,14 @@ func NewMenu(applicationMenu *menu.Menu, bus *servicebus.ServiceBus, logger *log
 	}
 
 	result := &Menu{
-		quitChannel:     quitChannel,
-		menuChannel:     menuChannel,
-		logger:          logger.CustomLogger("Menu Subsystem"),
-		listeners:       make(map[string][]func(*menu.MenuItem)),
-		menuItems:       make(map[string]*menu.MenuItem),
-		applicationMenu: applicationMenu,
-		bus:             bus,
+		menuChannel: menuChannel,
+		logger:      logger.CustomLogger("Menu Subsystem"),
+		bus:         bus,
+		menuManager: menuManager,
+		ctx:         ctx,
+		wg:          ctx.Value("waitgroup").(*sync.WaitGroup),
 	}
 
-	// Build up list of item/id pairs
-	result.processMenu(applicationMenu)
-
 	return result, nil
 }
 
@@ -78,15 +63,16 @@ func (m *Menu) Start() error {
 
 	m.logger.Trace("Starting")
 
-	m.running = true
+	m.wg.Add(1)
 
 	// Spin off a go routine
 	go func() {
-		for m.running {
+		defer m.logger.Trace("Shutdown")
+		for {
 			select {
-			case <-m.quitChannel:
-				m.running = false
-				break
+			case <-m.ctx.Done():
+				m.wg.Done()
+				return
 			case menuMessage := <-m.menuChannel:
 				splitTopic := strings.Split(menuMessage.Topic(), ":")
 				menuMessageType := splitTopic[1]
@@ -97,99 +83,77 @@ func (m *Menu) Start() error {
 						continue
 					}
 					m.logger.Trace("Got Menu clicked Message: %s %+v", menuMessage.Topic(), menuMessage.Data())
-					menuid := menuMessage.Data().(string)
 
-					// Get the menu item
-					menuItem := m.menuItems[menuid]
-					if menuItem == nil {
-						m.logger.Trace("Cannot process menuid %s - unknown", menuid)
+					type ClickCallbackMessage struct {
+						MenuItemID string `json:"menuItemID"`
+						MenuType   string `json:"menuType"`
+						Data       string `json:"data"`
+						ParentID   string `json:"parentID"`
+					}
+
+					var callbackData ClickCallbackMessage
+					payload := []byte(menuMessage.Data().(string))
+					err := json.Unmarshal(payload, &callbackData)
+					if err != nil {
+						m.logger.Error("%s", err.Error())
 						return
 					}
 
-					// Is the menu item a checkbox?
-					if menuItem.Type == menu.CheckboxType {
-						// Toggle state
-						menuItem.Checked = !menuItem.Checked
+					err = m.menuManager.ProcessClick(callbackData.MenuItemID, callbackData.Data, callbackData.MenuType, callbackData.ParentID)
+					if err != nil {
+						m.logger.Trace("%s", err.Error())
 					}
 
-					// Notify listeners
-					m.notifyListeners(menuid, menuItem)
-				case "on":
-					listenerDetails := menuMessage.Data().(*message.MenuOnMessage)
-					id := listenerDetails.MenuID
-					m.listeners[id] = append(m.listeners[id], listenerDetails.Callback)
-
 				// Make sure we catch any menu updates
-				case "update":
-					updatedMenu := menuMessage.Data().(*menu.Menu)
-					m.processMenu(updatedMenu)
+				case "updateappmenu":
+					updatedMenu, err := m.menuManager.UpdateApplicationMenu()
+					if err != nil {
+						m.logger.Trace("%s", err.Error())
+						return
+					}
 
 					// Notify frontend of menu change
-					m.bus.Publish("menufrontend:update", updatedMenu)
+					m.bus.Publish("menufrontend:updateappmenu", updatedMenu)
+
+				case "updatecontextmenu":
+					contextMenu := menuMessage.Data().(*menu.ContextMenu)
+					updatedMenu, err := m.menuManager.UpdateContextMenu(contextMenu)
+					if err != nil {
+						m.logger.Trace("%s", err.Error())
+						return
+					}
+
+					// Notify frontend of menu change
+					m.bus.Publish("menufrontend:updatecontextmenu", updatedMenu)
+
+				case "settraymenu":
+					trayMenu := menuMessage.Data().(*menu.TrayMenu)
+					updatedMenu, err := m.menuManager.SetTrayMenu(trayMenu)
+					if err != nil {
+						m.logger.Trace("%s", err.Error())
+						return
+					}
+
+					// Notify frontend of menu change
+					m.bus.Publish("menufrontend:settraymenu", updatedMenu)
+
+				case "updatetraymenulabel":
+					trayMenu := menuMessage.Data().(*menu.TrayMenu)
+					updatedLabel, err := m.menuManager.UpdateTrayMenuLabel(trayMenu)
+					if err != nil {
+						m.logger.Trace("%s", err.Error())
+						return
+					}
+
+					// Notify frontend of menu change
+					m.bus.Publish("menufrontend:updatetraymenulabel", updatedLabel)
 
 				default:
 					m.logger.Error("unknown menu message: %+v", menuMessage)
 				}
 			}
 		}
-
-		// Call shutdown
-		m.shutdown()
 	}()
 
 	return nil
 }
-
-func (m *Menu) processMenu(applicationMenu *menu.Menu) {
-	// Initialise the variables
-	m.menuItems = make(map[string]*menu.MenuItem)
-	m.applicationMenu = applicationMenu
-
-	for _, item := range applicationMenu.Items {
-		m.processMenuItem(item)
-	}
-}
-
-func (m *Menu) processMenuItem(item *menu.MenuItem) {
-
-	if item.SubMenu != nil {
-		for _, submenuitem := range item.SubMenu {
-			m.processMenuItem(submenuitem)
-		}
-		return
-	}
-
-	if item.ID != "" {
-		if m.menuItems[item.ID] != nil {
-			m.logger.Error("Menu id '%s' is used by multiple menu items: %s %s", m.menuItems[item.ID].Label, item.Label)
-			return
-		}
-		m.menuItems[item.ID] = item
-	}
-}
-
-// Notifies listeners that the given menu was clicked
-func (m *Menu) notifyListeners(menuid string, menuItem *menu.MenuItem) {
-
-	// Get list of menu listeners
-	listeners := m.listeners[menuid]
-	if listeners == nil {
-		m.logger.Trace("No listeners for MenuItem with ID '%s'", menuid)
-		return
-	}
-
-	// Lock the listeners
-	m.notifyLock.Lock()
-
-	// Callback in goroutine
-	for _, listener := range listeners {
-		go listener(menuItem)
-	}
-
-	// Unlock
-	m.notifyLock.Unlock()
-}
-
-func (m *Menu) shutdown() {
-	m.logger.Trace("Shutdown")
-}

v2/internal/subsystem/runtime.go

@@ -1,8 +1,8 @@
 package subsystem
 
 import (
+	"context"
 	"fmt"
-	"github.com/wailsapp/wails/v2/pkg/menu"
 	"strings"
 
 	"github.com/wailsapp/wails/v2/internal/logger"
@@ -13,24 +13,27 @@ import (
 // Runtime is the Runtime subsystem. It handles messages with topics starting
 // with "runtime:"
 type Runtime struct {
-	quitChannel    <-chan *servicebus.Message
 	runtimeChannel <-chan *servicebus.Message
-	running        bool
+
+	// The hooks channel allows us to hook into frontend startup
+	hooksChannel     <-chan *servicebus.Message
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+
+	// quit flag
+	shouldQuit bool
 
 	logger logger.CustomLogger
 
 	// Runtime library
 	runtime *runtime.Runtime
+
+	//ctx
+	ctx context.Context
 }
 
 // NewRuntime creates a new runtime subsystem
-func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger, menu *menu.Menu, trayMenu *menu.TrayOptions, contextMenus *menu.ContextMenus) (*Runtime, error) {
-
-	// Register quit channel
-	quitChannel, err := bus.Subscribe("quit")
-	if err != nil {
-		return nil, err
-	}
+func NewRuntime(ctx context.Context, bus *servicebus.ServiceBus, logger *logger.Logger, startupCallback func(*runtime.Runtime), shutdownCallback func()) (*Runtime, error) {
 
 	// Subscribe to log messages
 	runtimeChannel, err := bus.Subscribe("runtime:")
@@ -38,11 +41,20 @@ func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger, menu *menu.Me
 		return nil, err
 	}
 
+	// Subscribe to log messages
+	hooksChannel, err := bus.Subscribe("hooks:")
+	if err != nil {
+		return nil, err
+	}
+
 	result := &Runtime{
-		quitChannel:    quitChannel,
-		runtimeChannel: runtimeChannel,
-		logger:         logger.CustomLogger("Runtime Subsystem"),
-		runtime:        runtime.New(bus, menu, trayMenu, contextMenus),
+		runtimeChannel:   runtimeChannel,
+		hooksChannel:     hooksChannel,
+		logger:           logger.CustomLogger("Runtime Subsystem"),
+		runtime:          runtime.New(bus, shutdownCallback),
+		startupCallback:  startupCallback,
+		shutdownCallback: shutdownCallback,
+		ctx:              ctx,
 	}
 
 	return result, nil
@@ -51,15 +63,26 @@ func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger, menu *menu.Me
 // Start the subsystem
 func (r *Runtime) Start() error {
 
-	r.running = true
-
 	// Spin off a go routine
 	go func() {
-		for r.running {
+		defer r.logger.Trace("Shutdown")
+		for {
 			select {
-			case <-r.quitChannel:
-				r.running = false
-				break
+			case hooksMessage := <-r.hooksChannel:
+				r.logger.Trace(fmt.Sprintf("Received hooksmessage: %+v", hooksMessage))
+				messageSlice := strings.Split(hooksMessage.Topic(), ":")
+				hook := messageSlice[1]
+				switch hook {
+				case "startup":
+					if r.startupCallback != nil {
+						go r.startupCallback(r.runtime)
+					} else {
+						r.logger.Warning("no startup callback registered!")
+					}
+				default:
+					r.logger.Error("unknown hook message: %+v", hooksMessage)
+					continue
+				}
 			case runtimeMessage := <-r.runtimeChannel:
 				r.logger.Trace(fmt.Sprintf("Received message: %+v", runtimeMessage))
 				// Topics have the format: "runtime:category:call"
@@ -84,11 +107,10 @@ func (r *Runtime) Start() error {
 				if err != nil {
 					r.logger.Error(err.Error())
 				}
+			case <-r.ctx.Done():
+				return
 			}
 		}
-
-		// Call shutdown
-		r.shutdown()
 	}()
 
 	return nil
@@ -99,10 +121,6 @@ func (r *Runtime) GoRuntime() *runtime.Runtime {
 	return r.runtime
 }
 
-func (r *Runtime) shutdown() {
-	r.logger.Trace("Shutdown")
-}
-
 func (r *Runtime) processBrowserMessage(method string, data interface{}) error {
 	switch method {
 	case "open":