hack: enable builds on non-Windows

In some bundler enviroments like vite the output on index.html uses link
tag with rel="modulepreload" to load javascript, add support to handle
this files on assetbundle, more info
https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/modulepreload

fix #620

Co-authored-by: amaury-tobias <amaury.tobiasqr@gmai.com>

.gitignore

@@ -27,3 +27,5 @@ v2/pkg/parser/testproject/frontend/wails
 v2/test/kitchensink/frontend/public
 v2/test/kitchensink/build/darwin/desktop/kitchensink
 v2/test/kitchensink/frontend/package.json.md5
+/v2/internal/ffenestri/windows/test/cmake-build-debug/
+.idea/

CONTRIBUTORS.md

@@ -40,4 +40,5 @@ Wails is what it is because of the time and effort given by these great people.
   * [Balakrishna Prasad Ganne](https://github.com/aayush420)
   * [Charaf Rezrazi](https://github.com/Rezrazi)
   * [misitebao](https://github.com/misitebao)
-  * [Elie Grenon](https://github.com/DrunkenPoney)
+  * [Elie Grenon](https://github.com/DrunkenPoney)
+  * [Amaury Tobias Quiroz](https://github.com/amaury-tobias)

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) {

runtime/js/runtime/.npmignore

@@ -1 +1 @@
-bridge.js
+index.js

scripts/build.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 echo "**** Checking if Wails passes unit tests ****"
-if ! go test ./...
+if ! go test ./lib/... ./runtime/... ./cmd/...
 then
     echo ""
     echo "ERROR: Unit tests failed!"

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

@@ -3,8 +3,10 @@ package build
 import (
 	"fmt"
 	"io"
+	"os"
 	"runtime"
 	"strings"
+	"text/tabwriter"
 	"time"
 
 	"github.com/leaanthony/clir"
@@ -22,10 +24,6 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 
 	command := app.NewSubCommand("build", "Builds the application")
 
-	// Setup target type flag
-	description := "Type of application to build. Valid types: " + validTargetTypes.Join(",")
-	command.StringFlag("t", description, &outputType)
-
 	// Setup production flag
 	production := false
 	command.BoolFlag("production", "Build in production mode", &production)
@@ -37,28 +35,41 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 	compilerCommand := "go"
 	command.StringFlag("compiler", "Use a different go compiler to build, eg go1.15beta1", &compilerCommand)
 
+	compress := false
+	command.BoolFlag("compress", "Compress final binary", &compress)
+
 	// Setup Platform flag
 	platform := runtime.GOOS
 	command.StringFlag("platform", "Platform to target", &platform)
 
-	// Quiet Build
-	quiet := false
-	command.BoolFlag("q", "Suppress output to console", &quiet)
+	// Verbosity
+	verbosity := 1
+	command.IntFlag("v", "Verbosity level (0 - silent, 1 - default, 2 - verbose)", &verbosity)
 
 	// ldflags to pass to `go`
 	ldflags := ""
 	command.StringFlag("ldflags", "optional ldflags", &ldflags)
 
-	// Log to file
-	logFile := ""
-	command.StringFlag("l", "Log to file", &logFile)
+	// tags to pass to `go`
+	tags := ""
+	command.StringFlag("tags", "tags to pass to Go compiler (quoted and space separated)", &tags)
 
 	// Retain assets
 	keepAssets := false
 	command.BoolFlag("k", "Keep generated assets", &keepAssets)
 
+	// Retain assets
+	outputFilename := ""
+	command.StringFlag("o", "Output filename", &outputFilename)
+
+	// Clean build directory
+	cleanBuildDirectory := false
+	command.BoolFlag("clean", "Clean the build directory before building", &cleanBuildDirectory)
+
 	command.Action(func() error {
 
+		quiet := verbosity == 0
+
 		// Create logger
 		logger := clilogger.New(w)
 		logger.Mute(quiet)
@@ -72,28 +83,93 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 			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
 		if production {
 			mode = build.Production
 		}
 
+		// Check platform
+		validPlatformArch := slicer.String([]string{
+			"darwin",
+			"darwin/amd64",
+			"darwin/arm64",
+			"darwin/universal",
+			//"linux/amd64",
+			//"linux/arm-7",
+			"windows",
+			"windows/amd64",
+		})
+		if !validPlatformArch.Contains(platform) {
+			return fmt.Errorf("platform %s is not supported", platform)
+		}
+
+		if compress && platform == "darwin/universal" {
+			println("Warning: compress flag unsupported for universal binaries. Ignoring.")
+			compress = false
+		}
+
+		// Tags
+		userTags := []string{}
+		for _, tag := range strings.Split(tags, " ") {
+			thisTag := strings.TrimSpace(tag)
+			if thisTag != "" {
+				userTags = append(userTags, thisTag)
+			}
+		}
+
 		// Create BuildOptions
 		buildOptions := &build.Options{
-			Logger:     logger,
-			OutputType: outputType,
-			Mode:       mode,
-			Pack:       pack,
-			Platform:   platform,
-			LDFlags:    ldflags,
-			Compiler:   compilerCommand,
-			KeepAssets: keepAssets,
+			Logger:              logger,
+			OutputType:          outputType,
+			OutputFile:          outputFilename,
+			CleanBuildDirectory: cleanBuildDirectory,
+			Mode:                mode,
+			Pack:                pack,
+			LDFlags:             ldflags,
+			Compiler:            compilerCommand,
+			KeepAssets:          keepAssets,
+			Verbosity:           verbosity,
+			Compress:            compress,
+			UserTags:            userTags,
 		}
 
+		// Calculate platform and arch
+		platformSplit := strings.Split(platform, "/")
+		buildOptions.Platform = platformSplit[0]
+		buildOptions.Arch = runtime.GOARCH
+		if len(platformSplit) == 2 {
+			buildOptions.Arch = platformSplit[1]
+		}
+
+		// Start a new tabwriter
+		w := new(tabwriter.Writer)
+		w.Init(os.Stdout, 8, 8, 0, '\t', 0)
+
+		buildModeText := "debug"
+		if production {
+			buildModeText = "production"
+		}
+
+		// Write out the system information
+		fmt.Fprintf(w, "\n")
+		fmt.Fprintf(w, "App Type: \t%s\n", buildOptions.OutputType)
+		fmt.Fprintf(w, "Platform: \t%s\n", buildOptions.Platform)
+		fmt.Fprintf(w, "Arch: \t%s\n", buildOptions.Arch)
+		fmt.Fprintf(w, "Compiler: \t%s\n", buildOptions.Compiler)
+		fmt.Fprintf(w, "Compress: \t%t\n", buildOptions.Compress)
+		fmt.Fprintf(w, "Build Mode: \t%s\n", buildModeText)
+		fmt.Fprintf(w, "Package: \t%t\n", buildOptions.Pack)
+		fmt.Fprintf(w, "Clean Build Dir: \t%t\n", buildOptions.CleanBuildDirectory)
+		fmt.Fprintf(w, "KeepAssets: \t%t\n", buildOptions.KeepAssets)
+		fmt.Fprintf(w, "LDFlags: \t\"%s\"\n", buildOptions.LDFlags)
+		fmt.Fprintf(w, "Tags: \t[%s]\n", strings.Join(buildOptions.UserTags, ","))
+		if len(buildOptions.OutputFile) > 0 {
+			fmt.Fprintf(w, "Output File: \t%s\n", buildOptions.OutputFile)
+		}
+		fmt.Fprintf(w, "\n")
+		w.Flush()
+
 		return doBuild(buildOptions)
 	})
 }

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

@@ -5,33 +5,42 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"syscall"
 	"time"
 
+	"github.com/wailsapp/wails/v2/internal/colour"
+
 	"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"
 	"github.com/wailsapp/wails/v2/pkg/commands/build"
 )
 
+func LogGreen(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.Green(text))
+}
+
+func LogRed(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.Red(text))
+}
+
+func LogDarkYellow(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.DarkYellow(text))
+}
+
 // AddSubcommand adds the `dev` command for the Wails application
 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 +51,17 @@ 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)
+
+	// extensions to trigger rebuilds
+	showWarnings := false
+	command.BoolFlag("w", "Show warnings", &showWarnings)
+
+	loglevel := ""
+	command.StringFlag("loglevel", "Loglevel to use - Trace, Debug, Info, Warning, Error", &loglevel)
 
 	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 +75,6 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		defer watcher.Close()
 
 		var debugBinaryProcess *process.Process = nil
-		var buildFrontend bool = true
 		var extensionsThatTriggerARebuild = strings.Split(extensions, ",")
 
 		// Setup signal handler
@@ -75,8 +85,13 @@ 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)
-
+		newProcess, err := restartApp(logger, "dev", ldflags, compilerCommand, debugBinaryProcess, loglevel)
+		if newProcess != nil {
+			debugBinaryProcess = newProcess
+		}
+		if err != nil {
+			return err
+		}
 		go debounce(100*time.Millisecond, watcher.Events, debounceQuit, func(event fsnotify.Event) {
 			// logger.Println("event: %+v", event)
 
@@ -85,8 +100,11 @@ 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)
-						logger.Println("Watching directory: %s", event.Name)
+						err := watcher.Add(event.Name)
+						if err != nil {
+							logger.Fatal("%s", err.Error())
+						}
+						LogGreen("[New Directory] Watching new directory: %s", event.Name)
 					}
 				}
 				return
@@ -95,38 +113,33 @@ 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)
 				var rebuild bool = false
 
 				// Iterate all file patterns
 				for _, pattern := range extensionsThatTriggerARebuild {
-					rebuild = strings.HasSuffix(event.Name, pattern)
-					if err != nil {
-						logger.Fatal(err.Error())
-					}
-					if rebuild {
-						// Only build frontend when the file isn't a Go file
-						buildFrontend = !strings.HasSuffix(event.Name, "go")
+					if strings.HasSuffix(event.Name, pattern) {
+						rebuild = true
 						break
 					}
 				}
 
 				if !rebuild {
-					logger.Println("Filename change: %s did not match extension list %s", event.Name, extensions)
+					if showWarnings {
+						LogDarkYellow("[File change] %s did not match extension list (%s)", event.Name, extensions)
+					}
 					return
 				}
 
-				if buildFrontend {
-					logger.Println("Full rebuild triggered: %s updated", event.Name)
-				} else {
-					logger.Println("Partial build triggered: %s updated", event.Name)
-				}
+				LogGreen("[Attempting rebuild] %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, loglevel)
+				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
@@ -136,23 +149,28 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		})
 
 		// Get project dir
-		dir, err := os.Getwd()
+		projectDir, err := os.Getwd()
 		if err != nil {
 			return err
 		}
 
 		// Get all subdirectories
-		dirs, err := fs.GetSubdirectories(dir)
+		dirs, err := fs.GetSubdirectories(projectDir)
 		if err != nil {
 			return err
 		}
 
+		LogGreen("Watching (sub)/directory: %s", projectDir)
+
 		// Setup a watcher for non-node_modules directories
 		dirs.Each(func(dir string) {
 			if strings.Contains(dir, "node_modules") {
 				return
 			}
-			logger.Println("Watching directory: %s", dir)
+			// Ignore build directory
+			if strings.HasPrefix(dir, filepath.Join(projectDir, "build")) {
+				return
+			}
 			err = watcher.Add(dir)
 			if err != nil {
 				logger.Fatal(err.Error())
@@ -164,7 +182,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		for quit == false {
 			select {
 			case <-quitChannel:
-				println()
+				LogGreen("\nCaught quit")
 				// Notify debouncer to quit
 				debounceQuit <- true
 				quit = true
@@ -173,10 +191,13 @@ 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")
+		LogGreen("Development mode exited")
 
 		return nil
 	})
@@ -203,15 +224,15 @@ 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, loglevel string) (*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
+		LogRed("Build error - continuing to run current version")
+		LogDarkYellow(err.Error())
+		return nil, nil
 	}
-	logger.Println("Build new binary: %s", appBinary)
 
 	// Kill existing binary if need be
 	if debugBinaryProcess != nil {
@@ -227,21 +248,24 @@ func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string,
 	// TODO: Generate `backend.js`
 
 	// Start up new binary
-	newProcess := process.NewProcess(logger, appBinary)
+	newProcess := process.NewProcess(logger, appBinary, "-loglevel", loglevel)
 	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())
+	outputFile := fmt.Sprintf("dev-%d", time.Now().Unix())
 
 	// Create BuildOptions
 	buildOptions := &build.Options{
@@ -253,7 +277,7 @@ 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/doctor/doctor.go

@@ -48,9 +48,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 		// Exit early if PM not found
 		if info.PM == nil {
-			fmt.Fprintf(w, "\n%s\t%s", "Package Manager:", "Not Found")
 			w.Flush()
-			println()
 			return nil
 		}
 		fmt.Fprintf(w, "%s\t%s\n", "Package Manager: ", info.PM.Name())

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

@@ -9,7 +9,7 @@ import (
 	"github.com/wailsapp/wails/v2/pkg/parser"
 )
 
-// AddSubcommand adds the `dev` command for the Wails application
+// AddSubcommand adds the `generate` command for the Wails application
 func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	command := app.NewSubCommand("generate", "Code Generation Tools")
@@ -19,7 +19,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	// Quiet Init
 	quiet := false
-	backendAPI.BoolFlag("q", "Supress output to console", &quiet)
+	backendAPI.BoolFlag("q", "Suppress output to console", &quiet)
 
 	backendAPI.Action(func() error {
 
@@ -85,7 +85,4 @@ func logPackage(pkg *parser.Package, logger *clilogger.CLILogger) {
 		}
 	}
 	logger.Println("")
-
-	// logger.Println("  Original Go Package Path:", pkg.Gopackage.PkgPath)
-	// logger.Println("  Original Go Package Path:", pkg.Gopackage.PkgPath)
 }

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

@@ -6,9 +6,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/initialise/templates"
+
 	"github.com/leaanthony/clir"
 	"github.com/pkg/errors"
-	"github.com/wailsapp/wails/v2/internal/templates"
 	"github.com/wailsapp/wails/v2/pkg/clilogger"
 	"github.com/wailsapp/wails/v2/pkg/git"
 )

v2/cmd/wails/internal/commands/initialise/templates/templates.go

@@ -1,14 +1,16 @@
 package templates
 
 import (
+	"embed"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	gofs "io/fs"
 	"os"
 	"path/filepath"
 	"runtime"
 	"strings"
 
+	"github.com/leaanthony/debme"
 	"github.com/leaanthony/gosod"
 	"github.com/leaanthony/slicer"
 	"github.com/olekukonko/tablewriter"
@@ -16,6 +18,12 @@ import (
 	"github.com/wailsapp/wails/v2/pkg/clilogger"
 )
 
+//go:embed templates
+var templates embed.FS
+
+//go:embed ides/*
+var ides embed.FS
+
 // Cahce for the templates
 // We use this because we need different views of the same data
 var templateCache []Template = nil
@@ -59,20 +67,21 @@ type Template struct {
 	HelpURL     string `json:"helpurl"`
 
 	// Other data
-	Directory string `json:"-"`
+	FS gofs.FS `json:"-"`
 }
 
-func parseTemplate(directory string) (Template, error) {
-	templateJSON := filepath.Join(directory, "template.json")
+func parseTemplate(template gofs.FS) (Template, error) {
 	var result Template
-	data, err := ioutil.ReadFile(templateJSON)
+	data, err := gofs.ReadFile(template, "template.json")
 	if err != nil {
 		return result, err
 	}
-
-	result.Directory = directory
 	err = json.Unmarshal(data, &result)
-	return result, err
+	if err != nil {
+		return result, err
+	}
+	result.FS = template
+	return result, nil
 }
 
 // TemplateShortNames returns a slicer of short template names
@@ -134,11 +143,13 @@ func getTemplateByShortname(shortname string) (Template, error) {
 // Loads the template cache
 func loadTemplateCache() error {
 
-	// Get local template directory
-	templateDir := fs.RelativePath("templates")
+	templatesFS, err := debme.FS(templates, "templates")
+	if err != nil {
+		return err
+	}
 
 	// Get directories
-	files, err := ioutil.ReadDir(templateDir)
+	files, err := templatesFS.ReadDir(".")
 	if err != nil {
 		return err
 	}
@@ -148,8 +159,11 @@ func loadTemplateCache() error {
 
 	for _, file := range files {
 		if file.IsDir() {
-			templateDir := filepath.Join(templateDir, file.Name())
-			template, err := parseTemplate(templateDir)
+			templateFS, err := templatesFS.FS(file.Name())
+			if err != nil {
+				return err
+			}
+			template, err := parseTemplate(templateFS)
 			if err != nil {
 				// Cannot parse this template, continue
 				continue
@@ -163,7 +177,6 @@ func loadTemplateCache() error {
 
 // Install the given template
 func Install(options *Options) error {
-
 	// Get cwd
 	cwd, err := os.Getwd()
 	if err != nil {
@@ -211,19 +224,16 @@ func Install(options *Options) error {
 	}
 
 	// Use Gosod to install the template
-	installer, err := gosod.TemplateDir(template.Directory)
-	if err != nil {
-		return err
-	}
+	installer := gosod.New(template.FS)
 
 	// Ignore template.json files
-	installer.IgnoreFilename("template.json")
+	installer.IgnoreFile("template.json")
 
 	// Setup the data.
 	// We use the directory name for the binary name, like Go
 	BinaryName := filepath.Base(options.TargetDir)
 	NPMProjectName := strings.ToLower(strings.ReplaceAll(BinaryName, " ", ""))
-	localWailsDirectory := fs.RelativePath("../..")
+	localWailsDirectory := fs.RelativePath("../../../../../..")
 	templateData := &Data{
 		ProjectName:    options.ProjectName,
 		BinaryName:     filepath.Base(options.TargetDir),
@@ -295,14 +305,14 @@ func generateIDEFiles(options *Options) error {
 func generateVSCodeFiles(options *Options) error {
 
 	targetDir := filepath.Join(options.TargetDir, ".vscode")
-	sourceDir := fs.RelativePath(filepath.Join("./ides/vscode"))
-
-	// Use Gosod to install the template
-	installer, err := gosod.TemplateDir(sourceDir)
+	source, err := debme.FS(ides, "ides/vscode")
 	if err != nil {
 		return err
 	}
 
+	// Use gosod to install the template
+	installer := gosod.New(source)
+
 	binaryName := filepath.Base(options.TargetDir)
 	if runtime.GOOS == "windows" {
 		// yay windows

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/basic.tmpl.go

@@ -11,21 +11,20 @@ type Basic struct {
 	runtime *wails.Runtime
 }
 
-// newBasic creates a new Basic application struct
-func newBasic() *Basic {
+// NewBasic creates a new Basic application struct
+func NewBasic() *Basic {
 	return &Basic{}
 }
 
-// WailsInit is called at application startup
-func (b *Basic) WailsInit(runtime *wails.Runtime) error {
+// startup is called at application startup
+func (b *Basic) startup(runtime *wails.Runtime) {
 	// Perform your setup here
 	b.runtime = runtime
 	runtime.Window.SetTitle("{{.ProjectName}}")
-	return nil
 }
 
-// WailsShutdown is called at application termination
-func (b *Basic) WailsShutdown() {
+// shutdown is called at application termination
+func (b *Basic) shutdown() {
 	// Perform your teardown here
 }
 

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/src/index.html

@@ -4,7 +4,7 @@
   <link rel="stylesheet" href="/main.css">
 </head>
 
-<body>
+<body data-wails-drag>
   <div id="logo"></div>
   <div id="input">
     <input id="name" type="text"></input>

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/src/main.js

@@ -1,12 +1,12 @@
 // Get input + focus
-var nameElement = document.getElementById("name");
+let nameElement = document.getElementById("name");
 nameElement.focus();
 
-// Stup the greet function
+// Setup the greet function
 window.greet = function () {
 
   // Get name
-  var name = nameElement.value;
+  let name = nameElement.value;
 
   // Call Basic.Greet(name)
   window.backend.main.Basic.Greet(name).then((result) => {

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/go.mod.tmpl

@@ -1,6 +1,6 @@
 module test
 
-go 1.13
+go 1.16
 
 require (
 	github.com/wailsapp/wails/v2 v2.0.0-alpha

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/main.tmpl.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log"
+
+	"github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/logger"
+	"github.com/wailsapp/wails/v2/pkg/menu"
+	"github.com/wailsapp/wails/v2/pkg/options"
+	"github.com/wailsapp/wails/v2/pkg/options/mac"
+)
+
+func main() {
+
+	// Create application with options
+	app := NewBasic()
+
+	err := wails.Run(&options.App{
+		Title:         "{{.ProjectName}}",
+		Width:         800,
+		Height:        600,
+		DisableResize: true,
+		Mac: &mac.Options{
+			WebviewIsTransparent:          true,
+			WindowBackgroundIsTranslucent: true,
+			TitleBar:                      mac.TitleBarHiddenInset(),
+			Menu:                          menu.DefaultMacMenu(),
+		},
+		LogLevel: logger.DEBUG,
+		Startup:  app.startup,
+		Shutdown: app.shutdown,
+		Bind: []interface{}{
+			app,
+		},
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+}

v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/wails.tmpl.json

@@ -1,7 +1,7 @@
 {
     "name": "{{.ProjectName}}",
     "outputfilename": "{{.BinaryName}}",
-    "html": "frontend/index.html",
+    "html": "frontend/src/index.html",
     "author": {
         "name": "{{.AuthorName}}",
         "email": "{{.AuthorEmail}}"

v2/cmd/wails/internal/commands/initialise/templates/templates_test.go

@@ -0,0 +1,46 @@
+package templates
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/matryer/is"
+)
+
+func TestList(t *testing.T) {
+
+	is2 := is.New(t)
+	templates, err := List()
+	is2.NoErr(err)
+
+	println("Found these templates:")
+	for _, template := range templates {
+		fmt.Printf("%+v\n", template)
+	}
+}
+
+func TestShortname(t *testing.T) {
+
+	is2 := is.New(t)
+
+	template, err := getTemplateByShortname("vanilla")
+	is2.NoErr(err)
+
+	println("Found this template:")
+	fmt.Printf("%+v\n", template)
+}
+
+func TestInstall(t *testing.T) {
+
+	is2 := is.New(t)
+
+	options := &Options{
+		ProjectName:  "test",
+		TemplateName: "vanilla",
+		AuthorName:   "Lea Anthony",
+		AuthorEmail:  "lea.anthony@gmail.com",
+	}
+
+	err := Install(options)
+	is2.NoErr(err)
+}

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 the Wails CLI.`)
+
+	// Setup flags
+	var prereleaseRequired bool
+	command.BoolFlag("pre", "Update CLI to latest Prerelease", &prereleaseRequired)
+
+	var specificVersion string
+	command.StringFlag("version", "Install a specific version (Overrides other flags) of the CLI", &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 CLI " + 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 CLI updated to " + desiredVersion)
+
+	return nil
+}

v2/cmd/wails/main.go

@@ -1,10 +1,16 @@
 package main
 
 import (
+	"fmt"
 	"os"
 
+	"github.com/wailsapp/wails/v2/internal/colour"
+
+	"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"
@@ -16,18 +22,28 @@ func fatal(message string) {
 	os.Exit(1)
 }
 
+func banner(_ *clir.Cli) string {
+	return fmt.Sprintf("%s %s", colour.Yellow("Wails CLI"), colour.DarkRed(version))
+}
+
 func main() {
 
 	var err error
-	version := "v2.0.0-alpha"
 
-	app := clir.NewCli("Wails", "Go/HTML Application Framework", version)
+	app := clir.NewCli("Wails", "Go/HTML Appkit", version)
+
+	app.SetBannerFunction(banner)
 
 	build.AddBuildSubcommand(app, os.Stdout)
 	err = initialise.AddSubcommand(app, os.Stdout)
 	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())
@@ -43,8 +59,14 @@ 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())
+		os.Exit(1)
 	}
 }

v2/cmd/wails/version.go

@@ -0,0 +1,3 @@
+package main
+
+var version = "v2.0.0-alpha.65"

v2/go.mod

@@ -1,28 +1,30 @@
 module github.com/wailsapp/wails/v2
 
-go 1.13
+go 1.16
 
 require (
-	github.com/davecgh/go-spew v1.1.1
+	github.com/Masterminds/semver v1.5.0
 	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
-	github.com/leaanthony/gosod v0.0.4
+	github.com/leaanthony/debme v1.1.2
+	github.com/leaanthony/go-ansi-parser v1.0.1
+	github.com/leaanthony/gosod v1.0.1
 	github.com/leaanthony/slicer v1.5.0
 	github.com/matryer/is v1.4.0
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/pkg/errors v0.9.1
 	github.com/tdewolff/minify v2.3.6+incompatible
 	github.com/tdewolff/parse v2.3.4+incompatible // indirect
 	github.com/tdewolff/test v1.0.6 // indirect
+	github.com/wzshiming/ctc v1.2.3
 	github.com/xyproto/xpm v1.2.1
 	golang.org/x/net v0.0.0-20200822124328-c89045814202
 	golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c
 	golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82
-	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	nhooyr.io/websocket v1.8.6
 )

v2/go.sum

@@ -1,5 +1,6 @@
+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=
 github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4=
 github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
@@ -9,7 +10,6 @@ github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
 github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
-github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
@@ -39,13 +39,15 @@ github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGn
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/klauspost/compress v1.10.3 h1:OP96hzwJVBIHYU52pVTI6CczrxPvrGfgqF9N5eTO0Q8=
 github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/leaanthony/clir v1.0.4 h1:Dov2y9zWJmZr7CjaCe86lKa4b5CSxskGAt2yBkoDyiU=
 github.com/leaanthony/clir v1.0.4/go.mod h1:k/RBkdkFl18xkkACMCLt09bhiZnrGORoxmomeMvDpE0=
-github.com/leaanthony/gosod v0.0.4 h1:v4hepo4IyL8E8c9qzDsvYcA0KGh7Npf8As74K5ibQpI=
-github.com/leaanthony/gosod v0.0.4/go.mod h1:nGMCb1PJfXwBDbOAike78jEYlpqge+xUKFf0iBKjKxU=
+github.com/leaanthony/debme v1.1.1/go.mod h1:3V+sCm5tYAgQymvSOfYQ5Xx2JCr+OXiD9Jkw3otUjiA=
+github.com/leaanthony/debme v1.1.2 h1:dGeQuj0+xPIlDQzGIjmAU52+yRg85u5pWaaqrdLBjD0=
+github.com/leaanthony/debme v1.1.2/go.mod h1:3V+sCm5tYAgQymvSOfYQ5Xx2JCr+OXiD9Jkw3otUjiA=
+github.com/leaanthony/go-ansi-parser v1.0.1 h1:97v6c5kYppVsbScf4r/VZdXyQ21KQIfeQOk2DgKxGG4=
+github.com/leaanthony/go-ansi-parser v1.0.1/go.mod h1:7arTzgVI47srICYhvgUV4CGd063sGEeoSlych5yeSPM=
+github.com/leaanthony/gosod v1.0.1 h1:F+4c3DmEBfigi7oAswCV2RpQ+k4DcNbhuCZUGdBHacQ=
+github.com/leaanthony/gosod v1.0.1/go.mod h1:W8RyeSFBXu7RpIxPGEJfW4moSyGGEjlJMLV25wEbAdU=
 github.com/leaanthony/slicer v1.5.0 h1:aHYTN8xbCCLxJmkNKiLB6tgcMARl4eWmH9/F+S/0HtY=
 github.com/leaanthony/slicer v1.5.0/go.mod h1:FwrApmf8gOrpzEWM2J/9Lh79tyq8KTX5AzRtwV7m4AY=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
@@ -62,17 +64,13 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLD
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/olekukonko/tablewriter v0.0.4 h1:vHD/YYe1Wolo78koG299f7V/VAS08c6IpCLn+Ejf/w8=
 github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/tdewolff/minify v2.3.6+incompatible h1:2hw5/9ZvxhWLvBUnHE06gElGYz+Jv9R4Eys0XUzItYo=
 github.com/tdewolff/minify v2.3.6+incompatible/go.mod h1:9Ov578KJUmAWpS6NeZwRZyT56Uf6o3Mcz9CEsg8USYs=
@@ -84,6 +82,10 @@ github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
+github.com/wzshiming/ctc v1.2.3 h1:q+hW3IQNsjIlOFBTGZZZeIXTElFM4grF4spW/errh/c=
+github.com/wzshiming/ctc v1.2.3/go.mod h1:2tVAtIY7SUyraSk0JxvwmONNPFL4ARavPuEsg5+KA28=
+github.com/wzshiming/winseq v0.0.0-20200112104235-db357dc107ae h1:tpXvBXC3hpQBDCc9OojJZCQMVRAbT3TTdUMP8WguXkY=
+github.com/wzshiming/winseq v0.0.0-20200112104235-db357dc107ae/go.mod h1:VTAq37rkGeV+WOybvZwjXiJOicICdpLCN8ifpISjK20=
 github.com/xyproto/xpm v1.2.1 h1:trdvGjjWBsOOKzBBUPT6JvaIQM3acJEEYfbxN7M96wg=
 github.com/xyproto/xpm v1.2.1/go.mod h1:cMnesLsD0PBXLgjDfTDEaKr8XyTFsnP1QycSqRw7BiY=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -100,33 +102,26 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 h1:L2auWcuQIvxz9xSEqzESnV/QN/gNRXNApHi3fYwl2w0=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c h1:UIcGWL6/wpCfyGuJnRFJRurA+yj8RrW7Q6x2YMCXt6c=
 golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e h1:FDhOuMEY4JVRztM/gsbk+IKUQ8kj74bxZrgw87eMMVc=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82 h1:shxDsb9Dz27xzk3A0DxP0JuJnZMpKrdg8+E14eiUAX4=
 golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U=
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-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

v2/init.go

@@ -0,0 +1,7 @@
+// +build !windows
+
+package wails
+
+func Init() error {
+	return nil
+}

v2/init_windows.go

@@ -0,0 +1,14 @@
+package wails
+
+import (
+	"fmt"
+	"syscall"
+)
+
+func Init() error {
+	status, r, err := syscall.NewLazyDLL("user32.dll").NewProc("SetProcessDPIAware").Call()
+	if status == 0 {
+		return fmt.Errorf("exit status %d: %v %v", status, r, err)
+	}
+	return nil
+}

v2/internal/app/debug.go

@@ -2,11 +2,40 @@
 
 package app
 
+import (
+	"flag"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/pkg/logger"
+)
+
 // 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
+	loglevel := flag.String("loglevel", "debug", "Loglevel to use - Trace, Debug, Info, Warning, Error")
+	flag.Parse()
+	if len(*loglevel) > 0 {
+		switch strings.ToLower(*loglevel) {
+		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 +29,16 @@ 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
+	url        *subsystem.URL
+	dispatcher *messagedispatcher.Dispatcher
+
+	menuManager *menumanager.Manager
 
 	// Indicates if the app is in debug mode
 	debug bool
@@ -42,6 +49,10 @@ type App struct {
 	// Application Stores
 	loglevelStore  *runtime.Store
 	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
 }
 
 // Create App
@@ -54,13 +65,38 @@ 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
@@ -77,13 +113,10 @@ func (a *App) Run() error {
 
 	var err error
 
-	// Setup signal handler
-	signalsubsystem, err := signal.NewManager(a.servicebus, a.logger)
-	if err != nil {
-		return err
-	}
-	a.signal = signalsubsystem
-	a.signal.Start()
+	// Setup a context
+	var subsystemWaitGroup sync.WaitGroup
+	parentContext := context.WithValue(context.Background(), "waitgroup", &subsystemWaitGroup)
+	ctx, cancel := context.WithCancel(parentContext)
 
 	// Start the service bus
 	a.servicebus.Debug()
@@ -92,12 +125,7 @@ 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)
 	if err != nil {
 		return err
 	}
@@ -111,17 +139,6 @@ 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 {
@@ -144,62 +161,47 @@ func (a *App) Run() error {
 		return err
 	}
 
+	if a.options.Mac.URLHandlers != nil {
+		// Start the url handler subsystem
+		url, err := subsystem.NewURL(a.servicebus, a.logger, a.options.Mac.URLHandlers)
+		if err != nil {
+			return err
+		}
+		a.url = url
+		err = a.url.Start()
+		if err != nil {
+			return err
+		}
+	}
+
 	// 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 +213,42 @@ func (a *App) Run() error {
 		return err
 	}
 
-	result := a.window.Run(dispatcher, bindingDump, a.debug)
+	// Setup signal handler
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.signal = signalsubsystem
+	a.signal.Start()
+
+	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())
+	// Shutdown callback
+	if a.shutdownCallback != nil {
+		a.shutdownCallback()
 	}
+
+	return nil
 }

v2/internal/app/dev.go

@@ -0,0 +1,244 @@
+// +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)
+
+	// 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),
+		menuManager:      menuManager,
+	}
+
+	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)
+
+	// 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)
+	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
+	}
+
+	// Generate backend.js
+	a.bindings.GenerateBackendJS()
+
+	// Setup signal handler
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.signal = signalsubsystem
+	a.signal.Start()
+
+	err = a.bridge.Run(dispatcher, a.menuManager, 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
+	}
+
+	// Shutdown callback
+	if a.shutdownCallback != nil {
+		a.shutdownCallback()
+	}
+	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/assets/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "Package to wrap backend method calls",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}

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/generate.go

@@ -0,0 +1,155 @@
+package binding
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/internal/fs"
+
+	"github.com/leaanthony/slicer"
+)
+
+//go:embed assets/package.json
+var packageJSON []byte
+
+func (b *Bindings) GenerateBackendJS() {
+
+	store := b.db.store
+	var output bytes.Buffer
+
+	output.WriteString(`// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+const backend = {`)
+	output.WriteString("\n")
+
+	var sortedPackageNames slicer.StringSlicer
+	for packageName := range store {
+		sortedPackageNames.Add(packageName)
+	}
+	sortedPackageNames.Sort()
+	sortedPackageNames.Each(func(packageName string) {
+		packages := store[packageName]
+		output.WriteString(fmt.Sprintf("  \"%s\": {", packageName))
+		output.WriteString("\n")
+		var sortedStructNames slicer.StringSlicer
+		for structName := range packages {
+			sortedStructNames.Add(structName)
+		}
+		sortedStructNames.Sort()
+
+		sortedStructNames.Each(func(structName string) {
+			structs := packages[structName]
+			output.WriteString(fmt.Sprintf("    \"%s\": {", structName))
+			output.WriteString("\n")
+
+			var sortedMethodNames slicer.StringSlicer
+			for methodName := range structs {
+				sortedMethodNames.Add(methodName)
+			}
+			sortedMethodNames.Sort()
+
+			sortedMethodNames.Each(func(methodName string) {
+				methodDetails := structs[methodName]
+				output.WriteString("      /**\n")
+				output.WriteString("       * " + methodName + "\n")
+				var args slicer.StringSlicer
+				for count, input := range methodDetails.Inputs {
+					arg := fmt.Sprintf("arg%d", count+1)
+					args.Add(arg)
+					output.WriteString(fmt.Sprintf("       * @param {%s} %s - Go Type: %s\n", goTypeToJSDocType(input.TypeName), arg, input.TypeName))
+				}
+				returnType := "Promise"
+				returnTypeDetails := ""
+				if methodDetails.OutputCount() > 0 {
+					firstType := goTypeToJSDocType(methodDetails.Outputs[0].TypeName)
+					returnType += "<" + firstType
+					if methodDetails.OutputCount() == 2 {
+						secondType := goTypeToJSDocType(methodDetails.Outputs[1].TypeName)
+						returnType += "|" + secondType
+					}
+					returnType += ">"
+					returnTypeDetails = " - Go Type: " + methodDetails.Outputs[0].TypeName
+				} else {
+					returnType = "Promise<void>"
+				}
+				output.WriteString("       * @returns {" + returnType + "} " + returnTypeDetails + "\n")
+				output.WriteString("       */\n")
+				argsString := args.Join(", ")
+				output.WriteString(fmt.Sprintf("      \"%s\": (%s) => {", methodName, argsString))
+				output.WriteString("\n")
+				output.WriteString(fmt.Sprintf("        return window.backend.%s.%s.%s(%s);", packageName, structName, methodName, argsString))
+				output.WriteString("\n")
+				output.WriteString(fmt.Sprintf("      },"))
+				output.WriteString("\n")
+
+			})
+
+			output.WriteString(fmt.Sprintf("    }"))
+			output.WriteString("\n")
+		})
+
+		output.WriteString(fmt.Sprintf("  }\n"))
+		output.WriteString("\n")
+	})
+
+	output.WriteString(`};
+export default backend;`)
+	output.WriteString("\n")
+
+	// TODO: Make this configurable in wails.json
+	dirname, err := fs.RelativeToCwd("frontend/src/backend")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if !fs.DirExists(dirname) {
+		err := fs.MkDirs(dirname)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	packageJsonFile := filepath.Join(dirname, "package.json")
+	if !fs.FileExists(packageJsonFile) {
+		err := os.WriteFile(packageJsonFile, packageJSON, 0755)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	filename := filepath.Join(dirname, "index.js")
+	err = os.WriteFile(filename, output.Bytes(), 0755)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func goTypeToJSDocType(input string) string {
+	switch true {
+	case input == "string":
+		return "string"
+	case input == "error":
+		return "Error"
+	case
+		strings.HasPrefix(input, "int"),
+		strings.HasPrefix(input, "uint"),
+		strings.HasPrefix(input, "float"):
+		return "number"
+	case input == "bool":
+		return "boolean"
+	case input == "[]byte":
+		return "string"
+	case strings.HasPrefix(input, "[]"):
+		arrayType := goTypeToJSDocType(input[2:])
+		return "Array.<" + arrayType + ">"
+	default:
+		return "any"
+	}
+}

v2/internal/binding/generate_test.go

@@ -0,0 +1,87 @@
+package binding
+
+import (
+	"testing"
+)
+
+func Test_goTypeToJSDocType(t *testing.T) {
+
+	tests := []struct {
+		name  string
+		input string
+		want  string
+	}{
+		{
+			name:  "string",
+			input: "string",
+			want:  "string",
+		},
+		{
+			name:  "error",
+			input: "error",
+			want:  "Error",
+		},
+		{
+			name:  "int",
+			input: "int",
+			want:  "number",
+		},
+		{
+			name:  "int32",
+			input: "int32",
+			want:  "number",
+		},
+		{
+			name:  "uint",
+			input: "uint",
+			want:  "number",
+		},
+		{
+			name:  "uint32",
+			input: "uint32",
+			want:  "number",
+		},
+		{
+			name:  "float32",
+			input: "float32",
+			want:  "number",
+		},
+		{
+			name:  "float64",
+			input: "float64",
+			want:  "number",
+		},
+		{
+			name:  "bool",
+			input: "bool",
+			want:  "boolean",
+		},
+		{
+			name:  "[]byte",
+			input: "[]byte",
+			want:  "string",
+		},
+		{
+			name:  "[]int",
+			input: "[]int",
+			want:  "Array.<number>",
+		},
+		{
+			name:  "[]bool",
+			input: "[]bool",
+			want:  "Array.<boolean>",
+		},
+		{
+			name:  "anything else",
+			input: "foo",
+			want:  "any",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := goTypeToJSDocType(tt.input); got != tt.want {
+				t.Errorf("goTypeToJSDocType() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

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 +1,113 @@
+package bridge
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
+	"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
+
+	// Dialog client
+	dialog *messagedispatcher.DispatchClient
+
+	// Menus
+	menumanager *menumanager.Manager
+}
+
+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, menumanager *menumanager.Manager, bindings string, debug bool) error {
+
+	// Ensure we cancel the context when we shutdown
+	defer b.cancel()
+
+	b.bindings = bindings
+	b.dispatcher = dispatcher
+	b.menumanager = menumanager
+
+	// Setup dialog handler
+	dialogClient := NewDialogClient(b.myLogger)
+	b.dialog = dispatcher.RegisterClient(dialogClient)
+	dialogClient.dispatcher = b.dialog
+
+	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.menumanager, 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.dispatcher.RemoveClient(s.client)
+		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 +1,133 @@
+package bridge
+
+import (
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
+)
+
+type BridgeClient struct {
+	session *session
+
+	// Tray menu cache to send to reconnecting clients
+	messageCache chan string
+}
+
+func (b BridgeClient) DeleteTrayMenuByID(id string) {
+	b.session.sendMessage("TD" + id)
+}
+
+func NewBridgeClient() *BridgeClient {
+	return &BridgeClient{
+		messageCache: make(chan string, 100),
+	}
+}
+
+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)
+}
+
+func (b BridgeClient) CallResult(message string) {
+	b.session.sendMessage("c" + message)
+}
+
+func (b BridgeClient) OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string) {
+	// Handled by dialog_client
+}
+
+func (b BridgeClient) SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string) {
+	// Handled by dialog_client
+}
+
+func (b BridgeClient) MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string) {
+	// Handled by dialog_client
+}
+
+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.sendMessage("TS" + trayMenuJSON)
+}
+
+func (b BridgeClient) UpdateTrayMenuLabel(trayMenuJSON string) {
+	b.session.sendMessage("TU" + trayMenuJSON)
+}
+
+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/dialog_client.go

@@ -0,0 +1,144 @@
+package bridge
+
+import (
+	"fmt"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+
+	"github.com/wailsapp/wails/v2/internal/logger"
+
+	"github.com/leaanthony/slicer"
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
+)
+
+type DialogClient struct {
+	dispatcher *messagedispatcher.DispatchClient
+	log        *logger.Logger
+}
+
+func (d *DialogClient) DeleteTrayMenuByID(id string) {
+}
+
+func NewDialogClient(log *logger.Logger) *DialogClient {
+	return &DialogClient{
+		log: log,
+	}
+}
+
+func (d *DialogClient) Quit() {
+}
+
+func (d *DialogClient) NotifyEvent(message string) {
+}
+
+func (d *DialogClient) CallResult(message string) {
+}
+
+func (d *DialogClient) OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string) {
+}
+
+func (d *DialogClient) SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string) {
+}
+
+func (d *DialogClient) MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string) {
+
+	osa, err := exec.LookPath("osascript")
+	if err != nil {
+		d.log.Info("MessageDialog unavailable (osascript not found)")
+		return
+	}
+
+	var btns slicer.StringSlicer
+	defaultButton := ""
+	cancelButton := ""
+	for index, btn := range dialogOptions.Buttons {
+		btns.Add(strconv.Quote(btn))
+		if btn == dialogOptions.DefaultButton {
+			defaultButton = fmt.Sprintf("default button %d", index+1)
+		}
+		if btn == dialogOptions.CancelButton {
+			cancelButton = fmt.Sprintf("cancel button %d", index+1)
+		}
+	}
+	buttons := "{" + btns.Join(",") + "}"
+	script := fmt.Sprintf("display dialog \"%s\" buttons %s %s %s with title \"%s\"", dialogOptions.Message, buttons, defaultButton, cancelButton, dialogOptions.Title)
+	go func() {
+		out, err := exec.Command(osa, "-e", script).Output()
+		if err != nil {
+			// Assume user has pressed cancel button
+			if dialogOptions.CancelButton != "" {
+				d.dispatcher.DispatchMessage("DM" + callbackID + "|" + dialogOptions.CancelButton)
+				return
+			}
+			d.log.Error("Dialog had bad exit code. If this was a Cancel button, add 'CancelButton' to the dialog.MessageDialog struct. Error: %s", err.Error())
+			d.dispatcher.DispatchMessage("DM" + callbackID + "|error - check logs")
+			return
+		}
+
+		buttonPressed := strings.TrimSpace(strings.TrimPrefix(string(out), "button returned:"))
+		d.dispatcher.DispatchMessage("DM" + callbackID + "|" + buttonPressed)
+	}()
+}
+
+func (d *DialogClient) WindowSetTitle(title string) {
+}
+
+func (d *DialogClient) WindowShow() {
+}
+
+func (d *DialogClient) WindowHide() {
+}
+
+func (d *DialogClient) WindowCenter() {
+}
+
+func (d *DialogClient) WindowMaximise() {
+}
+
+func (d *DialogClient) WindowUnmaximise() {
+}
+
+func (d *DialogClient) WindowMinimise() {
+}
+
+func (d *DialogClient) WindowUnminimise() {
+}
+
+func (d *DialogClient) WindowPosition(x int, y int) {
+}
+
+func (d *DialogClient) WindowSize(width int, height int) {
+}
+
+func (d *DialogClient) WindowSetMinSize(width int, height int) {
+}
+
+func (d *DialogClient) WindowSetMaxSize(width int, height int) {
+}
+
+func (d *DialogClient) WindowFullscreen() {
+}
+
+func (d *DialogClient) WindowUnFullscreen() {
+}
+
+func (d *DialogClient) WindowSetColour(colour int) {
+}
+
+func (d *DialogClient) DarkModeEnabled(callbackID string) {
+}
+
+func (d *DialogClient) SetApplicationMenu(menuJSON string) {
+}
+
+func (d *DialogClient) SetTrayMenu(trayMenuJSON string) {
+}
+
+func (d *DialogClient) UpdateTrayMenuLabel(trayMenuJSON string) {
+}
+
+func (d *DialogClient) UpdateContextMenu(contextMenuJSON string) {
+}

v2/internal/bridge/session.go

@@ -0,0 +1,162 @@
+package bridge
+
+import (
+	"context"
+	_ "embed"
+	"log"
+	"runtime"
+	"time"
+
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
+	"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
+
+	// Menus
+	menumanager *menumanager.Manager
+}
+
+func newSession(conn *websocket.Conn, menumanager *menumanager.Manager, 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,
+		menumanager: menumanager,
+	}
+
+	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)
+
+	// Send menus
+	traymenus, err := s.menumanager.GetTrayMenus()
+	if err != nil {
+		s.log.Error(err.Error())
+	}
+
+	for _, trayMenu := range traymenus {
+		s.sendMessage("TS" + trayMenu)
+	}
+
+	for {
+		messageType, buffer, err := s.conn.ReadMessage()
+		if messageType == -1 {
+			return
+		}
+		if err != nil {
+			s.log.Error("Error reading message: %v", err)
+			err = s.conn.Close()
+			return
+		}
+
+		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/colour/colour.go

@@ -0,0 +1,89 @@
+package colour
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/wzshiming/ctc"
+)
+
+func Col(col ctc.Color, text string) string {
+	return fmt.Sprintf("%s%s%s", col, text, ctc.Reset)
+}
+
+func Yellow(text string) string {
+	return Col(ctc.ForegroundBrightYellow, text)
+}
+
+func Red(text string) string {
+	return Col(ctc.ForegroundBrightRed, text)
+}
+
+func Blue(text string) string {
+	return Col(ctc.ForegroundBrightBlue, text)
+}
+
+func Green(text string) string {
+	return Col(ctc.ForegroundBrightGreen, text)
+}
+
+func Cyan(text string) string {
+	return Col(ctc.ForegroundBrightCyan, text)
+}
+
+func Magenta(text string) string {
+	return Col(ctc.ForegroundBrightMagenta, text)
+}
+
+func White(text string) string {
+	return Col(ctc.ForegroundBrightWhite, text)
+}
+
+func Black(text string) string {
+	return Col(ctc.ForegroundBrightBlack, text)
+}
+
+func DarkYellow(text string) string {
+	return Col(ctc.ForegroundYellow, text)
+}
+
+func DarkRed(text string) string {
+	return Col(ctc.ForegroundRed, text)
+}
+
+func DarkBlue(text string) string {
+	return Col(ctc.ForegroundBlue, text)
+}
+
+func DarkGreen(text string) string {
+	return Col(ctc.ForegroundGreen, text)
+}
+
+func DarkCyan(text string) string {
+	return Col(ctc.ForegroundCyan, text)
+}
+
+func DarkMagenta(text string) string {
+	return Col(ctc.ForegroundMagenta, text)
+}
+
+func DarkWhite(text string) string {
+	return Col(ctc.ForegroundWhite, text)
+}
+
+func DarkBlack(text string) string {
+	return Col(ctc.ForegroundBlack, text)
+}
+
+var rainbowCols = []func(string) string{Red, Yellow, Green, Cyan, Blue, Magenta}
+
+func Rainbow(text string) string {
+	var builder strings.Builder
+
+	for i := 0; i < len(text); i++ {
+		fn := rainbowCols[i%len(rainbowCols)]
+		builder.WriteString(fn(text[i : i+1]))
+	}
+
+	return builder.String()
+}

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/LICENCES.md

@@ -1,5 +1,11 @@
 # 3rd Party Licenses
 
+## Webview
+Whilst not using the library directly, there is certainly some code that is inspired by or used from the webview library.
+
+Homepage: https://github.com/webview/webview
+License: https://github.com/webview/webview/blob/master/LICENSE
+
 ## vec
 Homepage: https://github.com/rxi/vec
 License: https://github.com/rxi/vec/blob/master/LICENSE

v2/internal/ffenestri/common.c

@@ -0,0 +1,98 @@
+// +build !windows
+
+
+//
+// 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 +1,36 @@
+//
+// Created by Lea Anthony on 6/1/21.
+//
+
+#ifndef COMMON_H
+#define COMMON_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_reg(mainWindow, s("contentView"));
+
+	// Get the triggering event
+	id menuEvent = msg_reg(mainWindow, s("currentEvent"));
+
+	if( contextMenu->nsmenu == NULL ) {
+        // GetMenu creates the NSMenu
+        contextMenu->nsmenu = GetMenu(contextMenu->menu);
+	}
+
+	// Show popup
+	((id(*)(id, SEL, id, id, id))objc_msgSend)(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/effectstructs_windows.h

@@ -0,0 +1,64 @@
+// Credit: https://gist.github.com/ysc3839/b08d2bff1c7dacde529bed1d37e85ccf
+#pragma once
+
+typedef enum _WINDOWCOMPOSITIONATTRIB
+{
+	WCA_UNDEFINED = 0,
+	WCA_NCRENDERING_ENABLED = 1,
+	WCA_NCRENDERING_POLICY = 2,
+	WCA_TRANSITIONS_FORCEDISABLED = 3,
+	WCA_ALLOW_NCPAINT = 4,
+	WCA_CAPTION_BUTTON_BOUNDS = 5,
+	WCA_NONCLIENT_RTL_LAYOUT = 6,
+	WCA_FORCE_ICONIC_REPRESENTATION = 7,
+	WCA_EXTENDED_FRAME_BOUNDS = 8,
+	WCA_HAS_ICONIC_BITMAP = 9,
+	WCA_THEME_ATTRIBUTES = 10,
+	WCA_NCRENDERING_EXILED = 11,
+	WCA_NCADORNMENTINFO = 12,
+	WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
+	WCA_VIDEO_OVERLAY_ACTIVE = 14,
+	WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
+	WCA_DISALLOW_PEEK = 16,
+	WCA_CLOAK = 17,
+	WCA_CLOAKED = 18,
+	WCA_ACCENT_POLICY = 19,
+	WCA_FREEZE_REPRESENTATION = 20,
+	WCA_EVER_UNCLOAKED = 21,
+	WCA_VISUAL_OWNER = 22,
+	WCA_HOLOGRAPHIC = 23,
+	WCA_EXCLUDED_FROM_DDA = 24,
+	WCA_PASSIVEUPDATEMODE = 25,
+	WCA_USEDARKMODECOLORS = 26,
+	WCA_LAST = 27
+} WINDOWCOMPOSITIONATTRIB;
+
+typedef struct _WINDOWCOMPOSITIONATTRIBDATA
+{
+	WINDOWCOMPOSITIONATTRIB Attrib;
+	PVOID pvData;
+	SIZE_T cbData;
+} WINDOWCOMPOSITIONATTRIBDATA;
+
+typedef enum _ACCENT_STATE
+{
+	ACCENT_DISABLED = 0,
+	ACCENT_ENABLE_GRADIENT = 1,
+	ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
+	ACCENT_ENABLE_BLURBEHIND = 3,
+	ACCENT_ENABLE_ACRYLICBLURBEHIND = 4, // RS4 1803
+	ACCENT_ENABLE_HOSTBACKDROP = 5, // RS5 1809
+ 	ACCENT_INVALID_STATE = 6
+} ACCENT_STATE;
+
+typedef struct _ACCENT_POLICY
+{
+	ACCENT_STATE AccentState;
+	DWORD AccentFlags;
+	DWORD GradientColor;
+	DWORD AnimationId;
+} ACCENT_POLICY;
+
+typedef BOOL (WINAPI *pfnGetWindowCompositionAttribute)(HWND, WINDOWCOMPOSITIONATTRIBDATA*);
+
+typedef BOOL (WINAPI *pfnSetWindowCompositionAttribute)(HWND, WINDOWCOMPOSITIONATTRIBDATA*);

v2/internal/ffenestri/ffenestri.go

@@ -5,23 +5,25 @@ 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"
 )
 
 /*
-
 #cgo linux CFLAGS: -DFFENESTRI_LINUX=1
 #cgo linux pkg-config: gtk+-3.0 webkit2gtk-4.0
 
 #cgo darwin CFLAGS: -DFFENESTRI_DARWIN=1
 #cgo darwin LDFLAGS: -framework WebKit -lobjc
 
+#cgo windows CXXFLAGS: -std=c++11
+#cgo windows,amd64 LDFLAGS: -L./windows/x64 -lwebview -lWebView2Loader -lgdi32 -lole32 -lShlwapi -luser32 -loleaut32
+
 #include <stdlib.h>
 #include "ffenestri.h"
-
-
 */
 import "C"
 
@@ -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
@@ -52,18 +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"),
-	}
-}
-
-// NewApplication creates a new Application with the default config
-func NewApplication(logger *logger.Logger) *Application {
-	return &Application{
-		config: options.Default,
-		logger: logger.CustomLogger("Ffenestri"),
+		config:      config,
+		logger:      logger.CustomLogger("Ffenestri"),
+		menuManager: menuManager,
 	}
 }
 
@@ -113,10 +111,11 @@ 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)
@@ -132,9 +131,9 @@ func (a *Application) Run(incomingDispatcher Dispatcher, bindings string, debug
 	C.SetDebug(app, a.bool2Cint(debug))
 
 	// TODO: Move frameless to Linux options
-	// if a.config.Frameless {
-	// 	C.DisableFrame(a.app)
-	// }
+	if a.config.Frameless {
+		C.DisableFrame(a.app)
+	}
 
 	if a.config.RGBA != 0 {
 		r, g, b, alpha := intToColour(a.config.RGBA)
@@ -152,7 +151,10 @@ 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 {
@@ -163,7 +165,7 @@ func (a *Application) Run(incomingDispatcher Dispatcher, bindings string, debug
 		// Oh no! We couldn't initialise the application
 		a.logger.Fatal("Cannot initialise Application.")
 	}
-
+	//println("\n\n\n\n\n\nhererererer\n\n\n\n")
 	a.freeMemory()
 	return nil
 }

v2/internal/ffenestri/ffenestri.h

@@ -1,42 +1,55 @@
 #ifndef __FFENESTRI_H__
 #define __FFENESTRI_H__
 
-#include <stdio.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-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);
+#include <stdio.h>
+struct Application;
+
+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 DeleteTrayMenuByID(struct Application*, const char *id);
+extern void UpdateTrayMenuLabel(struct Application*, const char* JSON);
+extern void AddContextMenu(struct Application*, char *contextMenuJSON);
+extern void UpdateContextMenu(struct Application*, char *contextMenuJSON);
+extern void WebviewIsTransparent(struct Application*);
+extern void WindowBackgroundIsTranslucent(struct Application*);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif

v2/internal/ffenestri/ffenestri_client.go

@@ -1,23 +1,16 @@
 package ffenestri
 
 /*
-
-#cgo linux CFLAGS: -DFFENESTRI_LINUX=1
-#cgo linux pkg-config: gtk+-3.0 webkit2gtk-4.0
-
-#include <stdlib.h>
 #include "ffenestri.h"
-
 */
 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 +108,14 @@ 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 +123,7 @@ 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 +141,7 @@ 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 +155,7 @@ 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 +187,22 @@ 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) UpdateContextMenu(contextMenuJSON string) {
+	C.UpdateContextMenu(c.app.app, c.app.string2CString(contextMenuJSON))
 }
 
-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) DeleteTrayMenuByID(id string) {
+	C.DeleteTrayMenuByID(c.app.app, c.app.string2CString(id))
 }

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 {
 
@@ -52,6 +48,9 @@ func (a *Application) processPlatformSettings() error {
 		C.SetAppearance(a.app, a.string2CString(string(mac.Appearance)))
 	}
 
+	// Set activation policy
+	C.SetActivationPolicy(a.app, C.int(mac.ActivationPolicy))
+
 	// Check if the webview should be transparent
 	if mac.WebviewIsTransparent {
 		C.WebviewIsTransparent(a.app)
@@ -63,54 +62,37 @@ 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)))
+	}
+
+	// Process URL Handlers
+	if a.config.Mac.URLHandlers != nil {
+		C.HasURLHandlers(a.app)
 	}
 
 	return nil

v2/internal/ffenestri/ffenestri_darwin.h

@@ -2,18 +2,153 @@
 #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"
+
+typedef struct {
+    long maj;
+    long min;
+    long patch;
+} OSVersion;
+
+// Macros to make it slightly more sane
+#define msg objc_msgSend
+#define msg_reg ((id(*)(id, SEL))objc_msgSend)
+#define msg_id ((id(*)(id, SEL, id))objc_msgSend)
+#define msg_id_id ((id(*)(id, SEL, id, id))objc_msgSend)
+#define msg_bool ((id(*)(id, SEL, BOOL))objc_msgSend)
+#define msg_int ((id(*)(id, SEL, int))objc_msgSend)
+#define msg_uint ((id(*)(id, SEL, unsigned int))objc_msgSend)
+#define msg_float ((id(*)(id, SEL, float))objc_msgSend)
+#define kInternetEventClass 'GURL'
+#define kAEGetURL 'GURL'
+#define keyDirectObject '----'
+
+#define c(str) (id)objc_getClass(str)
+#define s(str) sel_registerName(str)
+#define u(str) sel_getUid(str)
+#define str(input) ((id(*)(id, SEL, const char *))objc_msgSend)(c("NSString"), s("stringWithUTF8String:"), input)
+#define strunicode(input) ((id(*)(id, SEL, id, unsigned short))objc_msgSend)(c("NSString"), s("stringWithFormat:"), str("%C"), (unsigned short)input)
+#define cstr(input) (const char *)msg_reg(input, s("UTF8String"))
+#define url(input) msg_id(c("NSURL"), s("fileURLWithPath:"), str(input))
+#define ALLOC(classname) msg_reg(c(classname), s("alloc"))
+#define ALLOC_INIT(classname) msg_reg(msg_reg(c(classname), s("alloc")), s("init"))
+
+#if defined (__aarch64__)
+#define GET_FRAME(receiver) ((CGRect(*)(id, SEL))objc_msgSend)(receiver, s("frame"))
+#define GET_BOUNDS(receiver) ((CGRect(*)(id, SEL))objc_msgSend)(receiver, s("bounds"))
+#define GET_OSVERSION(receiver) ((OSVersion(*)(id, SEL))objc_msgSend)(processInfo, s("operatingSystemVersion"));
+#endif
+
+#if defined (__x86_64__)
+#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_OSVERSION(receiver) ((OSVersion(*)(id, SEL))objc_msgSend_stret)(processInfo, s("operatingSystemVersion"));
+#endif
+
+#define GET_BACKINGSCALEFACTOR(receiver) ((CGFloat(*)(id, SEL))objc_msgSend)(receiver, s("backingScaleFactor"))
+
+#define ON_MAIN_THREAD(str) dispatch( ^{ str; } )
+#define MAIN_WINDOW_CALL(str) msg_reg(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
+
+#define NSApplicationActivationPolicyRegular    0
+#define NSApplicationActivationPolicyAccessory  1
+#define NSApplicationActivationPolicyProhibited 2
+
+// 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
+
+#define BrokenImage "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"
+
+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 SetActivationPolicy(struct Application* app, int policy);
+
+void* lookupStringConstant(id constantName);
+
+void HasURLHandlers(struct Application* app);
+
+id createImageFromBase64Data(const char *data, bool isTemplateImage);
 
 #endif

v2/internal/ffenestri/ffenestri_windows.cpp

@@ -0,0 +1,620 @@
+// Some code may be inspired by or directly used from Webview (c) zserge.
+// License included in README.md
+
+#include "ffenestri_windows.h"
+#include "wv2ComHandler_windows.h"
+#include <functional>
+#include <atomic>
+#include <Shlwapi.h>
+#include <locale>
+#include <codecvt>
+#include "windows/WebView2.h"
+#include "effectstructs_windows.h"
+#include <Shlobj.h>
+
+int debug = 0;
+DWORD mainThread;
+
+// --- Assets
+extern const unsigned char runtime;
+extern const unsigned char *defaultDialogIcons[];
+
+// dispatch will execute the given `func` pointer
+void dispatch(dispatchFunction func) {
+    PostThreadMessage(mainThread, WM_APP, 0, (LPARAM) new dispatchFunction(func));
+}
+
+LPWSTR cstrToLPWSTR(const char *cstr) {
+    int wchars_num = MultiByteToWideChar( CP_UTF8 , 0 , cstr , -1, NULL , 0 );
+    wchar_t* wstr = new wchar_t[wchars_num+1];
+    MultiByteToWideChar( CP_UTF8 , 0 , cstr , -1, wstr , wchars_num );
+    return wstr;
+}
+
+// Credit: https://stackoverflow.com/a/9842450
+char* LPWSTRToCstr(LPWSTR input) {
+    int length = WideCharToMultiByte(CP_UTF8, 0, input, -1, 0, 0, NULL, NULL);
+    char* output = new char[length];
+    WideCharToMultiByte(CP_UTF8, 0, input, -1, output , length, NULL, NULL);
+    return output;
+}
+
+struct Application *NewApplication(const char *title, int width, int height, int resizable, int devtools, int fullscreen, int startHidden, int logLevel, int hideWindowOnClose) {
+
+    // Create application
+    struct Application *result = (struct Application*)malloc(sizeof(struct Application));
+
+    result->window = nullptr;
+    result->webview = nullptr;
+    result->webviewController = nullptr;
+
+    result->title = title;
+    result->width = width;
+    result->height = height;
+    result->resizable = resizable;
+    result->devtools = devtools;
+    result->fullscreen = fullscreen;
+    result->startHidden = startHidden;
+    result->logLevel = logLevel;
+    result->hideWindowOnClose = hideWindowOnClose;
+    result->webviewIsTranparent = false;
+    result->windowBackgroundIsTranslucent = false;
+
+    // Min/Max Width/Height
+    result->minWidth = 0;
+    result->minHeight = 0;
+    result->maxWidth = 0;
+    result->maxHeight = 0;
+
+    // Default colour
+    result->backgroundColour.R = 255;
+    result->backgroundColour.G = 255;
+    result->backgroundColour.B = 255;
+    result->backgroundColour.A = 255;
+
+    // Have a frame by default
+    result->frame = 1;
+
+    // Capture Main Thread
+    mainThread = GetCurrentThreadId();
+
+    // Startup url
+    result->startupURL = nullptr;
+
+    return result;
+}
+
+void SetMinWindowSize(struct Application* app, int minWidth, int minHeight) {
+    app->minWidth = (LONG)minWidth;
+    app->minHeight = (LONG)minHeight;
+}
+
+void SetMaxWindowSize(struct Application* app, int maxWidth, int maxHeight) {
+    app->maxWidth = (LONG)maxWidth;
+    app->maxHeight = (LONG)maxHeight;
+}
+
+void SetBindings(struct Application *app, const char *bindings) {
+    std::string temp = std::string("window.wailsbindings = \"") + std::string(bindings) + std::string("\";");
+    app->bindings = new char[temp.length()+1];
+	memcpy(app->bindings, temp.c_str(), temp.length()+1);
+}
+
+void performShutdown(struct Application *app) {
+    if( app->startupURL != nullptr ) {
+        delete[] app->startupURL;
+    }
+    messageFromWindowCallback("WC");
+}
+
+void enableTranslucentBackground(struct Application *app) {
+    HMODULE hUser = GetModuleHandleA("user32.dll");
+    if (hUser)
+    {
+        pfnSetWindowCompositionAttribute setWindowCompositionAttribute = (pfnSetWindowCompositionAttribute)GetProcAddress(hUser, "SetWindowCompositionAttribute");
+        if (setWindowCompositionAttribute)
+        {
+            ACCENT_POLICY accent = { ACCENT_ENABLE_BLURBEHIND, 0, 0, 0 };
+            WINDOWCOMPOSITIONATTRIBDATA data;
+            data.Attrib = WCA_ACCENT_POLICY;
+            data.pvData = &accent;
+            data.cbData = sizeof(accent);
+            setWindowCompositionAttribute(app->window, &data);
+        }
+    }
+}
+
+LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+
+    struct Application *app = (struct Application *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
+
+    switch(msg) {
+
+        case WM_DESTROY: {
+            DestroyApplication(app);
+            break;
+        }
+        case WM_SIZE: {
+            if( app->webviewController != nullptr) {
+                RECT bounds;
+                GetClientRect(app->window, &bounds);
+                app->webviewController->put_Bounds(bounds);
+            }
+            break;
+        }
+        case WM_GETMINMAXINFO: {
+            // Exit early if this is called before the window is created.
+            if ( app == NULL ) {
+                return 0;
+            }
+
+            // get pixel density
+            HDC hDC = GetDC(NULL);
+            double DPIScaleX = GetDeviceCaps(hDC, 88)/96.0;
+            double DPIScaleY = GetDeviceCaps(hDC, 90)/96.0;
+            ReleaseDC(NULL, hDC);
+
+            RECT rcClient, rcWind;
+            POINT ptDiff;
+            GetClientRect(hwnd, &rcClient);
+            GetWindowRect(hwnd, &rcWind);
+
+            int widthExtra = (rcWind.right - rcWind.left) - rcClient.right;
+            int heightExtra = (rcWind.bottom - rcWind.top) - rcClient.bottom;
+
+            LPMINMAXINFO mmi = (LPMINMAXINFO) lParam;
+            if (app->minWidth > 0 && app->minHeight > 0) {
+                mmi->ptMinTrackSize.x = app->minWidth * DPIScaleX + widthExtra;
+                mmi->ptMinTrackSize.y = app->minHeight * DPIScaleY + heightExtra;
+            }
+            if (app->maxWidth > 0 && app->maxHeight > 0) {
+                mmi->ptMaxSize.x = app->maxWidth * DPIScaleX + widthExtra;
+                mmi->ptMaxSize.y = app->maxHeight * DPIScaleY + heightExtra;
+                mmi->ptMaxTrackSize.x = app->maxWidth * DPIScaleX + widthExtra;
+                mmi->ptMaxTrackSize.y = app->maxHeight * DPIScaleY + heightExtra;
+            }
+            return 0;
+        }
+        default:
+            return DefWindowProc(hwnd, msg, wParam, lParam);
+    }
+    return 0;
+}
+
+void init(struct Application *app, const char* js) {
+    LPCWSTR wjs = cstrToLPWSTR(js);
+    app->webview->AddScriptToExecuteOnDocumentCreated(wjs, nullptr);
+    delete[] wjs;
+}
+
+void execJS(struct Application* app, const char *script) {
+    LPWSTR s = cstrToLPWSTR(script);
+    app->webview->ExecuteScript(s, nullptr);
+    delete[] s;
+}
+
+void loadAssets(struct Application* app) {
+
+    // patch window.external.invoke
+    std::string initialCode = std::string("window.external={invoke:s=>window.chrome.webview.postMessage(s)};");
+
+    // Load bindings
+    initialCode += std::string(app->bindings);
+    delete[] app->bindings;
+
+    // Load runtime
+    initialCode += std::string((const char*)&runtime);
+
+    int index = 1;
+    while(1) {
+        // Get next asset pointer
+        const unsigned char *asset = assets[index];
+
+        // If we have no more assets, break
+        if (asset == 0x00) {
+            break;
+        }
+
+        initialCode += std::string((const char*)asset);
+        index++;
+    };
+
+    // Disable context menu if not in debug mode
+    if( debug != 1 ) {
+        initialCode += std::string("wails._.DisableDefaultContextMenu();");
+    }
+
+    initialCode += std::string("window.external.invoke('completed');");
+
+    // Keep a copy of the code
+    app->initialCode = new char[initialCode.length()+1];
+	memcpy(app->initialCode, initialCode.c_str(), initialCode.length()+1);
+
+    execJS(app, app->initialCode);
+
+    // Show app if we need to
+    if( app->startHidden == false ) {
+        Show(app);
+    }
+}
+
+// This is called when all our assets are loaded into the DOM
+void completed(struct Application* app) {
+    delete[] app->initialCode;
+    app->initialCode = nullptr;
+
+    if( app->startupURL == nullptr ) {
+        messageFromWindowCallback("SS");
+        return;
+    }
+    std::string readyMessage = std::string("SS") + std::string(app->startupURL);
+    messageFromWindowCallback(readyMessage.c_str());
+}
+
+
+//
+bool initWebView2(struct Application *app, int debugEnabled, messageCallback cb) {
+
+    debug = debugEnabled;
+
+    CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+    std::atomic_flag flag = ATOMIC_FLAG_INIT;
+    flag.test_and_set();
+
+//    char currentExePath[MAX_PATH];
+//    GetModuleFileNameA(NULL, currentExePath, MAX_PATH);
+//    char *currentExeName = PathFindFileNameA(currentExePath);
+//    std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> wideCharConverter;
+//    auto exeName = wideCharConverter.from_bytes(currentExeName);
+//
+//    PWSTR path;
+//    HRESULT appDataResult = SHGetFolderPathAndSubDir(app->window, CSIDL_LOCAL_APPDATA, nullptr, SHGFP_TYPE_CURRENT, exeName.c_str(), path);
+//    if ( appDataResult == false ) {
+//        path = nullptr;
+//    }
+//
+
+    ICoreWebView2Controller *controller;
+    ICoreWebView2* webview;
+
+    HRESULT res = CreateCoreWebView2EnvironmentWithOptions(
+            nullptr, nullptr, nullptr,
+            new wv2ComHandler(app, app->window, cb,
+                                     [&](ICoreWebView2Controller *webviewController) {
+                                         controller = webviewController;
+                                         controller->get_CoreWebView2(&webview);
+                                         webview->AddRef();
+                                         flag.clear();
+                                     }));
+    if (res != S_OK) {
+        CoUninitialize();
+        return false;
+    }
+
+    MSG msg = {};
+    while (flag.test_and_set() && GetMessage(&msg, NULL, 0, 0)) {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+    app->webviewController = controller;
+    app->webview = webview;
+    // Resize WebView to fit the bounds of the parent window
+    RECT bounds;
+    GetClientRect(app->window, &bounds);
+    app->webviewController->put_Bounds(bounds);
+
+    // Callback hack
+    app->webview->AddScriptToExecuteOnDocumentCreated(L"window.chrome.webview.postMessage('I');", nullptr);
+    // Load the HTML
+    LPCWSTR html = (LPCWSTR) cstrToLPWSTR((char*)assets[0]);
+    app->webview->Navigate(html);
+
+	messageFromWindowCallback("Ej{\"name\":\"wails:launched\",\"data\":[]}");
+    return true;
+}
+
+void initialCallback(std::string message) {
+    printf("MESSAGE=%s\n", message);
+}
+
+void Run(struct Application* app, int argc, char **argv) {
+
+    WNDCLASSEX wc;
+    HINSTANCE hInstance = GetModuleHandle(NULL);
+    ZeroMemory(&wc, sizeof(WNDCLASSEX));
+    wc.cbSize = sizeof(WNDCLASSEX);
+    wc.style = CS_HREDRAW | CS_VREDRAW;
+    wc.hInstance = hInstance;
+    wc.lpszClassName = (LPCWSTR)"ffenestri";
+    wc.lpfnWndProc   = WndProc;
+
+    // TODO: Menu
+//    wc.lpszMenuName = nullptr;
+
+
+    // Process window resizable
+    DWORD windowStyle = WS_OVERLAPPEDWINDOW;
+    if (app->resizable == 0) {
+        windowStyle &= ~WS_MAXIMIZEBOX;
+        windowStyle &= ~WS_THICKFRAME;
+    }
+    if ( app->frame == 0 ) {
+        windowStyle = WS_POPUP;
+    }
+
+    RegisterClassEx(&wc);
+    app->window = CreateWindow((LPCWSTR)"ffenestri", (LPCWSTR)"", windowStyle, CW_USEDEFAULT,
+                                CW_USEDEFAULT, app->width, app->height, NULL, NULL,
+                                hInstance, NULL);
+
+    // Private setTitle as we're on the main thread
+    setTitle(app, app->title);
+
+    // Store application pointer in window handle
+    SetWindowLongPtr(app->window, GWLP_USERDATA, (LONG_PTR)app);
+
+    // Process whether window should show by default
+    int startVisibility = SW_SHOWNORMAL;
+    if ( app->startHidden == 1 ) {
+        startVisibility = SW_HIDE;
+    }
+
+    // TODO: Make configurable
+//    COREWEBVIEW2_COLOR wvColor;
+//    wvColor.A = 255;
+//    std::weak_ptr<ICoreWebView2Controller2> controller2 = app->webviewController->query<ICoreWebView2Controller2>();
+//    controller2->put_DefaultBackgroundColor(wvColor);
+
+    if( app->windowBackgroundIsTranslucent ) {
+        enableTranslucentBackground(app);
+    }
+
+    // private center() as we are on main thread
+    center(app);
+    ShowWindow(app->window, startVisibility);
+    UpdateWindow(app->window);
+    SetFocus(app->window);
+
+    // Add webview2
+    initWebView2(app, 1, initialCallback);
+
+    // Main event loop
+    MSG  msg;
+    BOOL res;
+    while ((res = GetMessage(&msg, NULL, 0, 0)) != -1) {
+      if (msg.hwnd) {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+        continue;
+      }
+      if (msg.message == WM_APP) {
+          dispatchFunction *f = (dispatchFunction*) msg.lParam;
+          (*f)();
+          delete(f);
+      } else if (msg.message == WM_QUIT) {
+        performShutdown(app);
+        return;
+      }
+    }
+}
+
+void DestroyApplication(struct Application* app) {
+    PostQuitMessage(0);
+}
+void SetDebug(struct Application* app, int flag) {
+    debug = flag;
+}
+
+void ExecJS(struct Application* app, const char *script) {
+    ON_MAIN_THREAD(
+        execJS(app, script);
+    );
+}
+
+void hide(struct Application* app) {
+    ShowWindow(app->window, SW_HIDE);
+}
+
+void Hide(struct Application* app) {
+    ON_MAIN_THREAD(
+        hide(app);
+    );
+}
+
+void show(struct Application* app) {
+    ShowWindow(app->window, SW_SHOW);
+}
+
+void Show(struct Application* app) {
+    ON_MAIN_THREAD(
+        show(app);
+    );
+}
+
+void center(struct Application* app) {
+
+    HMONITOR currentMonitor = MonitorFromWindow(app->window, MONITOR_DEFAULTTONEAREST);
+    MONITORINFO info = {0};
+    info.cbSize = sizeof(info);
+    GetMonitorInfoA(currentMonitor, &info);
+    RECT workRect = info.rcWork;
+    LONG screenMiddleW = (workRect.right - workRect.left) / 2;
+    LONG screenMiddleH = (workRect.bottom - workRect.top) / 2;
+    RECT winRect;
+    if (app->frame == 1) {
+        GetWindowRect(app->window, &winRect);
+    } else {
+        GetClientRect(app->window, &winRect);
+    }
+    LONG winWidth = winRect.right - winRect.left;
+    LONG winHeight = winRect.bottom - winRect.top;
+
+    LONG windowX = screenMiddleW - (winWidth / 2);
+    LONG windowY = screenMiddleH - (winHeight / 2);
+
+    SetWindowPos(app->window, HWND_TOP, windowX, windowY, winWidth, winHeight, SWP_NOSIZE);
+}
+
+void Center(struct Application* app) {
+    ON_MAIN_THREAD(
+        center(app);
+    );
+}
+
+UINT getWindowPlacement(struct Application* app) {
+    WINDOWPLACEMENT lpwndpl;
+    lpwndpl.length = sizeof(WINDOWPLACEMENT);
+    BOOL result = GetWindowPlacement(app->window, &lpwndpl);
+    if( result == 0 ) {
+        // TODO: Work out what this call failing means
+        return -1;
+    }
+    return lpwndpl.showCmd;
+}
+
+int isMaximised(struct Application* app) {
+    return getWindowPlacement(app) == SW_SHOWMAXIMIZED;
+}
+
+void maximise(struct Application* app) {
+    ShowWindow(app->window, SW_MAXIMIZE);
+}
+
+void Maximise(struct Application* app) {
+    ON_MAIN_THREAD(
+        maximise(app);
+    );
+}
+
+void unmaximise(struct Application* app) {
+    ShowWindow(app->window, SW_RESTORE);
+}
+
+void Unmaximise(struct Application* app) {
+    ON_MAIN_THREAD(
+        unmaximise(app);
+    );
+}
+
+
+void ToggleMaximise(struct Application* app) {
+    if(isMaximised(app)) {
+        return Unmaximise(app);
+    }
+    return Maximise(app);
+}
+
+int isMinimised(struct Application* app) {
+    return getWindowPlacement(app) == SW_SHOWMINIMIZED;
+}
+
+void minimise(struct Application* app) {
+    ShowWindow(app->window, SW_MINIMIZE);
+}
+
+void Minimise(struct Application* app) {
+    ON_MAIN_THREAD(
+        minimise(app);
+    );
+}
+
+void unminimise(struct Application* app) {
+    ShowWindow(app->window, SW_RESTORE);
+}
+
+void Unminimise(struct Application* app) {
+    ON_MAIN_THREAD(
+        unminimise(app);
+    );
+}
+
+void ToggleMinimise(struct Application* app) {
+    if(isMinimised(app)) {
+        return Unminimise(app);
+    }
+    return Minimise(app);
+}
+
+void SetColour(struct Application* app, int red, int green, int blue, int alpha) {
+// TBD
+}
+
+void SetSize(struct Application* app, int width, int height) {
+    // TBD
+}
+
+void setPosition(struct Application* app, int x, int y) {
+    // TBD
+}
+
+void SetPosition(struct Application* app, int x, int y) {
+//    ON_MAIN_THREAD(
+//        setPosition(app, x, y);
+//    );
+}
+
+void Quit(struct Application* app) {
+    DestroyWindow(app->window);
+}
+
+
+// Credit: https://stackoverflow.com/a/6693107
+void setTitle(struct Application* app, const char *title) {
+    LPCTSTR text = cstrToLPWSTR(title);
+    SetWindowText(app->window, text);
+    delete[] text;
+}
+
+void SetTitle(struct Application* app, const char *title) {
+    ON_MAIN_THREAD(
+        setTitle(app, title);
+    );
+}
+
+void Fullscreen(struct Application* app) {
+}
+
+void UnFullscreen(struct Application* app) {
+}
+
+void ToggleFullscreen(struct Application* app) {
+}
+
+void DisableFrame(struct Application* app) {
+    app->frame = 0;
+}
+
+// WebviewIsTransparent will make the webview transparent
+// revealing the window underneath
+void WebviewIsTransparent(struct Application *app) {
+	app->webviewIsTranparent = true;
+}
+
+void WindowBackgroundIsTranslucent(struct Application *app) {
+	app->windowBackgroundIsTranslucent = true;
+}
+
+
+void OpenDialog(struct Application* app, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int allowFiles, int allowDirs, int allowMultiple, int showHiddenFiles, int canCreateDirectories, int resolvesAliases, int treatPackagesAsDirectories) {
+}
+void SaveDialog(struct Application* app, char *callbackID, char *title, char *filters, char *defaultFilename, char *defaultDir, int showHiddenFiles, int canCreateDirectories, int treatPackagesAsDirectories) {
+}
+void MessageDialog(struct Application* app, char *callbackID, char *type, char *title, char *message, char *icon, char *button1, char *button2, char *button3, char *button4, char *defaultButton, char *cancelButton) {
+}
+void DarkModeEnabled(struct Application* app, char *callbackID) {
+}
+void SetApplicationMenu(struct Application* app, const char *applicationMenuJSON) {
+}
+void AddTrayMenu(struct Application* app, const char *menuTrayJSON) {
+}
+void SetTrayMenu(struct Application* app, const char *menuTrayJSON) {
+}
+void DeleteTrayMenuByID(struct Application* app, const char *id) {
+}
+void UpdateTrayMenuLabel(struct Application* app, const char* JSON) {
+}
+void AddContextMenu(struct Application* app, char *contextMenuJSON) {
+}
+void UpdateContextMenu(struct Application* app, char *contextMenuJSON) {
+}

v2/internal/ffenestri/ffenestri_windows.go

@@ -0,0 +1,63 @@
+package ffenestri
+
+import "C"
+
+/*
+
+#cgo windows CXXFLAGS: -std=c++11
+#cgo windows,amd64 LDFLAGS: -L./windows/x64 -lwebview -lWebView2Loader -lgdi32 -lole32 -lShlwapi -luser32 -loleaut32
+
+#include "ffenestri.h"
+
+*/
+import "C"
+
+func (a *Application) processPlatformSettings() error {
+
+	config := a.config.Windows
+
+	// Check if the webview should be transparent
+	if config.WebviewIsTransparent {
+		C.WebviewIsTransparent(a.app)
+	}
+
+	if config.WindowBackgroundIsTranslucent {
+		C.WindowBackgroundIsTranslucent(a.app)
+	}
+
+	//// Process menu
+	////applicationMenu := options.GetApplicationMenu(a.config)
+	//applicationMenu := a.menuManager.GetApplicationMenuJSON()
+	//if applicationMenu != "" {
+	//	C.SetApplicationMenu(a.app, a.string2CString(applicationMenu))
+	//}
+	//
+	//// Process tray
+	//trays, err := a.menuManager.GetTrayMenus()
+	//if err != nil {
+	//	return err
+	//}
+	//if trays != nil {
+	//	for _, tray := range trays {
+	//		C.AddTrayMenu(a.app, a.string2CString(tray))
+	//	}
+	//}
+	//
+	//// Process context menus
+	//contextMenus, err := a.menuManager.GetContextMenus()
+	//if err != nil {
+	//	return err
+	//}
+	//if contextMenus != nil {
+	//	for _, contextMenu := range contextMenus {
+	//		C.AddContextMenu(a.app, a.string2CString(contextMenu))
+	//	}
+	//}
+	//
+	//// Process URL Handlers
+	//if a.config.Mac.URLHandlers != nil {
+	//	C.HasURLHandlers(a.app)
+	//}
+
+	return nil
+}

v2/internal/ffenestri/ffenestri_windows.h

@@ -0,0 +1,75 @@
+
+#ifndef _FFENESTRI_WINDOWS_H
+#define _FFENESTRI_WINDOWS_H
+
+#define WIN32_LEAN_AND_MEAN
+#define UNICODE 1
+
+#include "ffenestri.h"
+#include <windows.h>
+#include <wingdi.h>
+#include <functional>
+#include <codecvt>
+#include "windows/WebView2.h"
+
+#include "assets.h"
+
+// TODO:
+//#include "userdialogicons.h"
+
+
+struct Application{
+    // Window specific
+    HWND window;
+    ICoreWebView2 *webview;
+    ICoreWebView2Controller* webviewController;
+
+    // Application
+    const char *title;
+    int width;
+    int height;
+    int resizable;
+    int devtools;
+    int fullscreen;
+    int startHidden;
+    int logLevel;
+    int hideWindowOnClose;
+    int minSizeSet;
+    LONG minWidth;
+    LONG minHeight;
+    int maxSizeSet;
+    LONG maxWidth;
+    LONG maxHeight;
+    int frame;
+    char *startupURL;
+    bool webviewIsTranparent;
+    bool windowBackgroundIsTranslucent;
+    COREWEBVIEW2_COLOR backgroundColour;
+
+    // placeholders
+    char* bindings;
+    char* initialCode;
+};
+
+#define ON_MAIN_THREAD(code) dispatch( [=]{ code; } )
+
+typedef std::function<void()> dispatchFunction;
+typedef std::function<void(const std::string)> messageCallback;
+typedef std::function<void(ICoreWebView2Controller *)> comHandlerCallback;
+
+void center(struct Application*);
+void setTitle(struct Application* app, const char *title);
+char* LPWSTRToCstr(LPWSTR input);
+
+// called when the DOM is ready
+void loadAssets(struct Application* app);
+
+// called when the application assets have been loaded into the DOM
+void completed(struct Application* app);
+
+// Callback
+extern "C" {
+    void messageFromWindowCallback(const char *);
+}
+
+#endif

v2/internal/ffenestri/json.c

@@ -1,3 +1,5 @@
+// +build !windows
+
 /*
   Copyright (C) 2011 Joseph A. Adams (joeyadams3.14159@gmail.com)
   All rights reserved.

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.h

@@ -0,0 +1,117 @@
+//
+// 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, bool templateImage, bool alternate, JsonNode* styledLabel);
+void processMenuItem(Menu *menu, id parentMenu, JsonNode *item);
+void processMenuData(Menu *menu, JsonNode *menuData);
+
+void processRadioGroupJSON(Menu *menu, JsonNode *radioGroup);
+id GetMenu(Menu *menu);
+id createAttributedString(const char* title, const char* fontName, int fontSize, const char* RGBA);
+id createAttributedStringFromStyledLabel(JsonNode *styledLabel, const char* fontName, int fontSize);
+
+#endif //ASSETS_C_MENU_DARWIN_H

v2/internal/ffenestri/traymenu_darwin.c

@@ -0,0 +1,248 @@
+//
+// Created by Lea Anthony on 12/1/21.
+//
+
+#include "common.h"
+#include "traymenu_darwin.h"
+#include "trayicons.h"
+
+extern Class trayMenuDelegateClass;
+
+// 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, "Image");
+    result->fontName = getJSONString(processedJSON, "FontName");
+    result->RGBA = getJSONString(processedJSON, "RGBA");
+    getJSONBool(processedJSON, "MacTemplateImage", &result->templateImage);
+    result->fontSize = 0;
+    getJSONInt(processedJSON, "FontSize", &result->fontSize);
+    result->tooltip = NULL;
+    result->tooltip = getJSONString(processedJSON, "Tooltip");
+    result->disabled = false;
+    getJSONBool(processedJSON, "Disabled", &result->disabled);
+
+    result->styledLabel = getJSONObject(processedJSON, "StyledLabel");
+
+    // Create the menu
+    JsonNode* processedMenu = mustJSONObject(processedJSON, "ProcessedMenu");
+    result->menu = NewMenu(processedMenu);
+
+    result->delegate = NULL;
+
+    // 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, const char *fontName, int fontSize, const char *RGBA, const char *tooltip, bool disabled, JsonNode *styledLabel) {
+
+    // Exit early if NULL
+    if( trayMenu->label == NULL ) {
+        return;
+    }
+    // Update button label
+    id statusBarButton = msg_reg(trayMenu->statusbaritem, s("button"));
+    id attributedString = NULL;
+    if( styledLabel != NULL) {
+        attributedString = createAttributedStringFromStyledLabel(styledLabel, fontName, fontSize);
+    } else {
+        attributedString = createAttributedString(label, fontName, fontSize, RGBA);
+    }
+
+    if( tooltip != NULL ) {
+        msg_id(statusBarButton, s("setToolTip:"), str(tooltip));
+    }
+
+    msg_bool(statusBarButton, s("setEnabled:"), !disabled);
+
+    msg_id(statusBarButton, s("setAttributedTitle:"), attributedString);
+}
+
+void UpdateTrayIcon(TrayMenu *trayMenu) {
+
+    // Exit early if NULL
+    if( trayMenu->icon == NULL ) {
+        return;
+    }
+
+    id statusBarButton = msg_reg(trayMenu->statusbaritem, s("button"));
+
+    // Empty icon means remove it
+    if( STREMPTY(trayMenu->icon) ) {
+        // Remove image
+        msg_id(statusBarButton, s("setImage:"), NULL);
+        return;
+    }
+
+    id trayImage = hashmap_get(&trayIconCache, trayMenu->icon, strlen(trayMenu->icon));
+
+    // If we don't have the image in the icon cache then assume it's base64 encoded image data
+    if (trayImage == NULL) {
+        trayImage = createImageFromBase64Data(trayMenu->icon, trayMenu->templateImage);
+    }
+
+    msg_int(statusBarButton, s("setImagePosition:"), trayMenu->trayIconPosition);
+    msg_id(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_reg( c("NSStatusBar"), s("systemStatusBar") );
+        trayMenu->statusbaritem = ((id(*)(id, SEL, CGFloat))objc_msgSend)(statusBar, s("statusItemWithLength:"), NSVariableStatusItemLength);
+        msg_reg(trayMenu->statusbaritem, s("retain"));
+    }
+
+    id statusBarButton = msg_reg(trayMenu->statusbaritem, s("button"));
+    msg_uint(statusBarButton, s("setImagePosition:"), trayMenu->trayIconPosition);
+    // Update the icon if needed
+    UpdateTrayIcon(trayMenu);
+
+    // Update the label if needed
+    UpdateTrayLabel(trayMenu, trayMenu->label, trayMenu->fontName, trayMenu->fontSize, trayMenu->RGBA, trayMenu->tooltip, trayMenu->disabled, trayMenu->styledLabel);
+
+    // Update the menu
+    id menu = GetMenu(trayMenu->menu);
+    objc_setAssociatedObject(menu, "trayMenuID", str(trayMenu->ID), OBJC_ASSOCIATION_ASSIGN);
+
+	// Create delegate
+	id trayMenuDelegate = msg_reg((id)trayMenuDelegateClass, s("new"));
+	msg_id(menu, s("setDelegate:"), trayMenuDelegate);
+    objc_setAssociatedObject(trayMenuDelegate, "menu", menu, OBJC_ASSOCIATION_ASSIGN);
+
+    // Create menu delegate
+    trayMenu->delegate = trayMenuDelegate;
+
+    msg_id(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->styledLabel = newMenu->styledLabel;
+    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_reg( c("NSStatusBar"), s("systemStatusBar") );
+        msg_id(statusBar, s("removeStatusItem:"), trayMenu->statusbaritem);
+        msg_reg(trayMenu->statusbaritem, s("release"));
+        trayMenu->statusbaritem = NULL;
+    }
+
+    if ( trayMenu->delegate != NULL ) {
+        msg_reg(trayMenu->delegate, s("release"));
+    }
+
+    // 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 = ((id(*)(id, SEL, id, int))objc_msgSend)(c("NSData"), s("dataWithBytes:length:"), (id)data, length);
+        id trayImage = ALLOC("NSImage");
+        msg_id(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 +1,50 @@
+//
+// 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;
+    const char *tooltip;
+
+    bool templateImage;
+    const char *fontName;
+    int fontSize;
+    const char *RGBA;
+
+    bool disabled;
+
+    Menu* menu;
+
+    id statusbaritem;
+    unsigned int trayIconPosition;
+
+    JsonNode* processedJSON;
+
+    JsonNode* styledLabel;
+
+    id delegate;
+
+} 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 *label, const char *fontName, int fontSize, const char *RGBA, const char *tooltip, bool disabled, JsonNode *styledLabel);
+
+void LoadTrayIcons();
+void UnloadTrayIcons();
+
+void DeleteTrayMenu(TrayMenu* trayMenu);
+
+#endif //TRAYMENU_DARWIN_H

v2/internal/ffenestri/traymenustore_darwin.c

@@ -0,0 +1,177 @@
+//
+// 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!");
+    }
+
+    if (pthread_mutex_init(&result->lock, NULL) != 0) {
+        printf("\n mutex init has failed\n");
+        exit(1);
+    }
+
+    return result;
+}
+
+int dumpTrayMenu(void *const context, struct hashmap_element_s *const e) {
+    DumpTrayMenu(e->data);
+    return 0;
+}
+
+void DumpTrayMenuStore(TrayMenuStore* store) {
+    pthread_mutex_lock(&store->lock);
+    hashmap_iterate_pairs(&store->trayMenuMap, dumpTrayMenu, NULL);
+    pthread_mutex_unlock(&store->lock);
+}
+
+void AddTrayMenuToStore(TrayMenuStore* store, const char* menuJSON) {
+
+    TrayMenu* newMenu = NewTrayMenu(menuJSON);
+
+    pthread_mutex_lock(&store->lock);
+    //TODO: check if there is already an entry for this menu
+    hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+    pthread_mutex_unlock(&store->lock);
+}
+
+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) {
+    pthread_mutex_lock(&store->lock);
+    if( hashmap_num_entries(&store->trayMenuMap) > 0 ) {
+        hashmap_iterate_pairs(&store->trayMenuMap, showTrayMenu, NULL);
+    }
+    pthread_mutex_unlock(&store->lock);
+}
+
+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);
+
+    pthread_mutex_destroy(&store->lock);
+}
+
+TrayMenu* GetTrayMenuFromStore(TrayMenuStore* store, const char* menuID) {
+    // Get the current menu
+    pthread_mutex_lock(&store->lock);
+    TrayMenu* result = hashmap_get(&store->trayMenuMap, menuID, strlen(menuID));
+    pthread_mutex_unlock(&store->lock);
+    return result;
+}
+
+TrayMenu* MustGetTrayMenuFromStore(TrayMenuStore* store, const char* menuID) {
+    // Get the current menu
+    pthread_mutex_lock(&store->lock);
+    TrayMenu* result = hashmap_get(&store->trayMenuMap, menuID, strlen(menuID));
+    pthread_mutex_unlock(&store->lock);
+
+    if (result == NULL ) {
+        ABORT("Unable to find TrayMenu with ID '%s' in the TrayMenuStore!", menuID);
+    }
+    return result;
+}
+
+void DeleteTrayMenuInStore(TrayMenuStore* store, const char* ID) {
+
+    TrayMenu *menu = MustGetTrayMenuFromStore(store, ID);
+    pthread_mutex_lock(&store->lock);
+    hashmap_remove(&store->trayMenuMap, ID, strlen(ID));
+    pthread_mutex_unlock(&store->lock);
+    DeleteTrayMenu(menu);
+}
+
+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);
+
+    const char *fontName = getJSONString(parsedUpdate, "FontName");
+    const char *RGBA = getJSONString(parsedUpdate, "RGBA");
+    int fontSize = 0;
+    getJSONInt(parsedUpdate, "FontSize", &fontSize);
+    const char *tooltip = getJSONString(parsedUpdate, "Tooltip");
+    bool disabled = false;
+    getJSONBool(parsedUpdate, "Disabled", &disabled);
+
+    JsonNode *styledLabel = getJSONObject(parsedUpdate, "StyledLabel");
+
+    UpdateTrayLabel(menu, Label, fontName, fontSize, RGBA, tooltip, disabled, styledLabel);
+
+
+}
+
+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
+        pthread_mutex_lock(&store->lock);
+        hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+        pthread_mutex_unlock(&store->lock);
+
+        // Show it
+        ShowTrayMenu(newMenu);
+        return;
+    }
+//    DumpTrayMenu(currentMenu);
+
+    // Save the status bar reference
+    newMenu->statusbaritem = currentMenu->statusbaritem;
+
+    pthread_mutex_lock(&store->lock);
+    hashmap_remove(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID));
+    pthread_mutex_unlock(&store->lock);
+
+    // Delete the current menu
+    DeleteMenu(currentMenu->menu);
+    currentMenu->menu = NULL;
+
+    // Free the tray menu memory
+    MEMFREE(currentMenu);
+
+    pthread_mutex_lock(&store->lock);
+    hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+    pthread_mutex_unlock(&store->lock);
+
+    // Show the updated menu
+    ShowTrayMenu(newMenu);
+}

v2/internal/ffenestri/traymenustore_darwin.h

@@ -0,0 +1,36 @@
+//
+// Created by Lea Anthony on 7/1/21.
+//
+
+#ifndef TRAYMENUSTORE_DARWIN_H
+#define TRAYMENUSTORE_DARWIN_H
+
+#include "traymenu_darwin.h"
+
+#include <pthread.h>
+
+typedef struct {
+
+	int dummy;
+
+    // This is our tray menu map
+    // It maps tray IDs to TrayMenu*
+    struct hashmap_s trayMenuMap;
+
+    pthread_mutex_t lock;
+
+} 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);
+
+TrayMenu* GetTrayMenuByID(TrayMenuStore* store, const char* menuID);
+
+void UpdateTrayMenuLabelInStore(TrayMenuStore* store, const char* JSON);
+void DeleteTrayMenuInStore(TrayMenuStore* store, const char* id);
+
+#endif //TRAYMENUSTORE_DARWIN_H

v2/internal/ffenestri/vec.c

@@ -1,4 +1,6 @@
-/** 
+// +build !windows
+
+/**
  * Copyright (c) 2014 rxi
  *
  * This library is free software; you can redistribute it and/or modify it

v2/internal/ffenestri/vec.h

@@ -1,4 +1,4 @@
-/** 
+/**
  * Copyright (c) 2014 rxi
  *
  * This library is free software; you can redistribute it and/or modify it

v2/internal/ffenestri/windows/EventToken.h

@@ -0,0 +1,68 @@
+
+
+/* this ALWAYS GENERATED file contains the definitions for the interfaces */
+
+
+ /* File created by MIDL compiler version 8.01.0622 */
+/* @@MIDL_FILE_HEADING(  ) */
+
+
+
+/* verify that the <rpcndr.h> version is high enough to compile this file*/
+#ifndef __REQUIRED_RPCNDR_H_VERSION__
+#define __REQUIRED_RPCNDR_H_VERSION__ 500
+#endif
+
+/* verify that the <rpcsal.h> version is high enough to compile this file*/
+#ifndef __REQUIRED_RPCSAL_H_VERSION__
+#define __REQUIRED_RPCSAL_H_VERSION__ 100
+#endif
+
+#include "rpc.h"
+#include "rpcndr.h"
+
+#ifndef __RPCNDR_H_VERSION__
+#error this stub requires an updated version of <rpcndr.h>
+#endif /* __RPCNDR_H_VERSION__ */
+
+
+#ifndef __eventtoken_h__
+#define __eventtoken_h__
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#pragma once
+#endif
+
+/* Forward Declarations */
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+
+/* interface __MIDL_itf_eventtoken_0000_0000 */
+/* [local] */
+
+//  Microsoft Windows
+//  Copyright (c) Microsoft Corporation. All rights reserved.
+#pragma once
+typedef struct EventRegistrationToken
+    {
+    __int64 value;
+    } 	EventRegistrationToken;
+
+
+
+extern RPC_IF_HANDLE __MIDL_itf_eventtoken_0000_0000_v0_0_c_ifspec;
+extern RPC_IF_HANDLE __MIDL_itf_eventtoken_0000_0000_v0_0_s_ifspec;
+
+/* Additional Prototypes for ALL interfaces */
+
+/* end of Additional Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

v2/internal/ffenestri/windows/README.md

@@ -0,0 +1 @@
+These files were generated using the scripts in the [webview](https://github.com/webview/webview) project and compressed using UPX.

v2/internal/ffenestri/windows/test/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.19)
+project(test C)
+
+set(CMAKE_C_STANDARD 99)
+set(SOURCES ../../ffenestri_windows.cpp)
+
+add_executable(test ${SOURCES} main.c)

v2/internal/ffenestri/windows/test/compile.bat

@@ -0,0 +1 @@
+g++ main.c ..\..\ffenestri_windows.cpp -lgdi32 -std=c++11

v2/internal/ffenestri/windows/x64/x64.go

@@ -0,0 +1,11 @@
+// +build windows
+
+package x64
+
+import _ "embed"
+
+//go:embed webview.dll
+var WebView2 []byte
+
+//go:embed WebView2Loader.dll
+var WebView2Loader []byte

v2/internal/ffenestri/windows/x64/x64_stub.go

@@ -0,0 +1,9 @@
+// +build !windows
+
+// This is a stub to define the following even though they don't exist
+// on non-Windows systems.  Note: This is not the right way to handle this.
+package x64
+
+var WebView2 []byte
+
+var WebView2Loader []byte

v2/internal/ffenestri/wv2ComHandler_windows.h

@@ -0,0 +1,103 @@
+
+#ifndef WV2COMHANDLER_H
+#define WV2COMHANDLER_H
+
+#include "ffenestri_windows.h"
+#include "windows/WebView2.h"
+
+#include <locale>
+#include <codecvt>
+
+class wv2ComHandler
+        :   public ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler,
+            public ICoreWebView2CreateCoreWebView2ControllerCompletedHandler,
+            public ICoreWebView2WebMessageReceivedEventHandler,
+            public ICoreWebView2PermissionRequestedEventHandler
+{
+
+    struct Application *app;
+    HWND window;
+    messageCallback mcb;
+    comHandlerCallback cb;
+
+    public:
+        wv2ComHandler(struct Application *app, HWND window, messageCallback mcb, comHandlerCallback cb) {
+            this->app = app;
+            this->window = window;
+            this->mcb = mcb;
+            this->cb = cb;
+        }
+        ULONG STDMETHODCALLTYPE AddRef() { return 1; }
+        ULONG STDMETHODCALLTYPE Release() { return 1; }
+        HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, LPVOID *ppv) {
+          return S_OK;
+        }
+        HRESULT STDMETHODCALLTYPE Invoke(HRESULT res,
+                                         ICoreWebView2Environment *env) {
+          env->CreateCoreWebView2Controller(window, this);
+          return S_OK;
+        }
+        HRESULT STDMETHODCALLTYPE Invoke(HRESULT res,
+                                         ICoreWebView2Controller *controller) {
+          controller->AddRef();
+
+          ICoreWebView2 *webview;
+          ::EventRegistrationToken token;
+          controller->get_CoreWebView2(&webview);
+          webview->add_WebMessageReceived(this, &token);
+          webview->add_PermissionRequested(this, &token);
+
+          cb(controller);
+          return S_OK;
+        }
+
+        // This is called when JS posts a message back to webkit
+        HRESULT STDMETHODCALLTYPE Invoke(
+            ICoreWebView2 *sender, ICoreWebView2WebMessageReceivedEventArgs *args) {
+          LPWSTR message;
+          args->TryGetWebMessageAsString(&message);
+          if ( message == nullptr ) {
+            return S_OK;
+          }
+          const char *m = LPWSTRToCstr(message);
+
+          // check for internal messages
+          if (strcmp(m, "completed") == 0) {
+            completed(app);
+            return S_OK;
+          }
+
+          switch(m[0]) {
+
+          // Standard message for backend
+          case 'S':
+            printf("--> Message to backend: %s\n", &m[1]);
+            messageFromWindowCallback(&m[1]);
+            break;
+          // DOM Initialised
+        case 'I':
+            loadAssets(app);
+            break;
+
+          default:
+            printf("----> Unknown message type: %c\n", m[0]);
+          }
+          delete[] m;
+          return S_OK;
+        }
+        HRESULT STDMETHODCALLTYPE
+        Invoke(ICoreWebView2 *sender,
+               ICoreWebView2PermissionRequestedEventArgs *args) {
+                                                        printf("DDDDDDDDDDDD\n");
+
+          COREWEBVIEW2_PERMISSION_KIND kind;
+          args->get_PermissionKind(&kind);
+          if (kind == COREWEBVIEW2_PERMISSION_KIND_CLIPBOARD_READ) {
+            args->put_State(COREWEBVIEW2_PERMISSION_STATE_ALLOW);
+          }
+          return S_OK;
+        }
+
+};
+
+#endif

v2/internal/fs/fs.go

@@ -40,7 +40,7 @@ func Mkdir(dirname string) error {
 // Returns error on failure
 func MkDirs(fullPath string, mode ...os.FileMode) error {
 	var perms os.FileMode
-	perms = 0700
+	perms = 0755
 	if len(mode) == 1 {
 		perms = mode[0]
 	}
@@ -201,10 +201,6 @@ func GetSubdirectories(rootDir string) (*slicer.StringSlicer, error) {
 
 func DirIsEmpty(dir string) (bool, error) {
 
-	if !DirExists(dir) {
-		return false, fmt.Errorf("DirIsEmpty called with a non-existant directory: %s", dir)
-	}
-
 	// CREDIT: https://stackoverflow.com/a/30708914/8325411
 	f, err := os.Open(dir)
 	if err != nil {
@@ -243,7 +239,7 @@ func CopyDir(src string, dst string) (err error) {
 		return fmt.Errorf("destination already exists")
 	}
 
-	err = os.MkdirAll(dst, si.Mode())
+	err = MkDirs(dst)
 	if err != nil {
 		return
 	}

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

@@ -112,6 +112,9 @@ func (a *AssetBundle) processHTML(htmldata string) error {
 					if attr.Key == "as" && attr.Val == "script" {
 						asset.Type = AssetTypes.JS
 					}
+					if attr.Key == "rel" && attr.Val == "modulepreload" {
+						asset.Type = AssetTypes.JS
+					}
 				}
 
 				// Ensure we don't include duplicates

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()
+}