angular windows fixes

* Add global error handler for runtime

* Set DPI Aware on windows

CONTRIBUTORS.md

@@ -18,3 +18,6 @@ Wails is what it is because of the time and effort given by these great people.
 * [Florian Didran](https://github.com/fdidron)
 * [Nikolai Zimmermann](https://github.com/Chronophylos)
 * [Toyam Cox](https://github.com/Vaelatern)
+* [Robin Eklind](https://github.com/mewmew)
+* [Kris Raney](https://github.com/kraney)
+* [Jack Mordaunt](https://github.com/JackMordaunt)

app.go

@@ -1,6 +1,12 @@
 package wails
 
 import (
+	"fmt"
+	"os"
+	"runtime"
+	"syscall"
+
+	"github.com/syossan27/tebata"
 	"github.com/wailsapp/wails/cmd"
 	"github.com/wailsapp/wails/lib/binding"
 	"github.com/wailsapp/wails/lib/event"
@@ -61,11 +67,31 @@ func CreateApp(optionalConfig ...*AppConfig) *App {
 		result.config.DisableInspector = true
 	}
 
+	// If running windows, do a hidpi fix
+	if runtime.GOOS == "windows" {
+		err := SetProcessDPIAware()
+		if err != nil {
+			result.log.Fatalf(err.Error())
+		}
+	}
+
 	return result
 }
 
+// SetProcessDPIAware via user32.dll
+// https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setprocessdpiaware
+// Also, thanks Jack Mordaunt! https://github.com/wailsapp/wails/issues/293
+func SetProcessDPIAware() 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
+}
+
 // Run the app
 func (a *App) Run() error {
+
 	if BuildMode != cmd.BuildModeProd {
 		return a.cli.Run()
 	}
@@ -97,6 +123,13 @@ func (a *App) start() error {
 		return err
 	}
 
+	// Start signal handler
+	t := tebata.New(os.Interrupt, os.Kill, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
+	t.Reserve(func() {
+		a.log.Debug("SIGNAL CAUGHT! Starting Shutdown")
+		a.renderer.Close()
+	})
+
 	// Start event manager and give it our renderer
 	a.eventManager.Start(a.renderer)
 
@@ -112,8 +145,33 @@ func (a *App) start() error {
 		return err
 	}
 
+	// Defer the shutdown
+	defer a.shutdown()
+
 	// Run the renderer
-	return a.renderer.Run()
+	err = a.renderer.Run()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// shutdown the app
+func (a *App) shutdown() {
+	// Make sure this is only called once
+	a.log.Debug("Shutting down")
+
+	// Shutdown Binding Manager
+	a.bindingManager.Shutdown()
+
+	// Shutdown IPC Manager
+	a.ipc.Shutdown()
+
+	// Shutdown Event Manager
+	a.eventManager.Shutdown()
+
+	a.log.Debug("Cleanly Shutdown")
 }
 
 // Bind allows the user to bind the given object

cmd/helpers.go

@@ -7,6 +7,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/leaanthony/mewn"
@@ -87,6 +88,17 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 	buildCommand.Add("build")
 
 	if binaryName != "" {
+		// Alter binary name based on OS
+		switch runtime.GOOS {
+		case "windows":
+			if !strings.HasSuffix(binaryName, ".exe") {
+				binaryName += ".exe"
+			}
+		default:
+			if strings.HasSuffix(binaryName, ".exe") {
+				binaryName = strings.TrimSuffix(binaryName, ".exe")
+			}
+		}
 		buildCommand.Add("-o")
 		buildCommand.Add(binaryName)
 	}
@@ -103,7 +115,7 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 	}
 
 	// Add windows flags
-	if runtime.GOOS == "windows" {
+	if runtime.GOOS == "windows" && buildMode == BuildModeProd {
 		ldflags += "-H windowsgui "
 	}
 
@@ -219,6 +231,15 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 
 	const md5sumFile = "package.json.md5"
 
+	// If node_modules does not exist, force a rebuild.
+	nodeModulesPath, err := filepath.Abs(filepath.Join(".", "node_modules"))
+	if err != nil {
+		return err
+	}
+	if !fs.DirExists(nodeModulesPath) {
+		forceRebuild = true
+	}
+
 	// If we aren't forcing the install and the md5sum file exists
 	if !forceRebuild && fs.FileExists(md5sumFile) {
 		// Yes - read contents

cmd/package.go

@@ -191,8 +191,15 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 
 	// Build syso
 	sysofile := filepath.Join(b.fs.Cwd(), basename+"-res.syso")
-	windresCommand := []string{"windres", "-o", sysofile, tgtRCFile}
-	err := NewProgramHelper().RunCommandArray(windresCommand)
+
+	batfile, err := fs.LocalDir(".")
+	if err != nil {
+		return err
+	}
+
+	windresBatFile := filepath.Join(batfile.fullPath, "windres.bat")
+	windresCommand := []string{windresBatFile, sysofile, tgtRCFile}
+	err = NewProgramHelper().RunCommandArray(windresCommand)
 	if err != nil {
 		return err
 	}

cmd/program.go

@@ -100,6 +100,19 @@ func (p *ProgramHelper) InstallGoPackage(packageName string) error {
 	return err
 }
 
+// InstallNPMPackage installs the given npm package
+func (p *ProgramHelper) InstallNPMPackage(packageName string, save bool) error {
+	args := strings.Split("install "+packageName, " ")
+	if save {
+		args = append(args, "--save")
+	}
+	_, stderr, err := p.shell.Run("npm", args...)
+	if err != nil {
+		fmt.Println(stderr)
+	}
+	return err
+}
+
 // RunCommand runs the given command
 func (p *ProgramHelper) RunCommand(command string) error {
 	args := strings.Split(command, " ")
@@ -115,6 +128,7 @@ func (p *ProgramHelper) RunCommandArray(args []string, dir ...string) error {
 		fmt.Printf("ERROR: Looks like '%s' isn't installed. Please install and try again.", program)
 		return err
 	}
+
 	args = args[1:]
 	var stderr string
 	var stdout string

cmd/project.go

@@ -13,6 +13,18 @@ import (
 	"github.com/leaanthony/slicer"
 )
 
+// PackageManager indicates different package managers
+type PackageManager int
+
+const (
+	// UNKNOWN package manager
+	UNKNOWN PackageManager = iota
+	// NPM package manager
+	NPM
+	// YARN package manager
+	YARN
+)
+
 type author struct {
 	Name  string `json:"name"`
 	Email string `json:"email"`
@@ -153,6 +165,23 @@ func (po *ProjectOptions) Defaults() {
 	po.WailsVersion = Version
 }
 
+// GetNPMBinaryName returns the type of package manager used by the project
+func (po *ProjectOptions) GetNPMBinaryName() (PackageManager, error) {
+	if po.FrontEnd == nil {
+		return UNKNOWN, fmt.Errorf("No frontend specified in project options")
+	}
+
+	if strings.Index(po.FrontEnd.Install, "npm") > -1 {
+		return NPM, nil
+	}
+
+	if strings.Index(po.FrontEnd.Install, "yarn") > -1 {
+		return YARN, nil
+	}
+
+	return UNKNOWN, nil
+}
+
 // PromptForInputs asks the user to input project details
 func (po *ProjectOptions) PromptForInputs() error {
 

cmd/templates/angular-template/frontend/browserslist

@@ -9,4 +9,4 @@
 last 2 versions
 Firefox ESR
 not dead
-not IE 9-11 # For IE 9-11 support, remove 'not'.
+IE 9-11 # For IE 9-11 support, remove 'not'.

cmd/templates/angular-template/frontend/package.json.template

@@ -22,6 +22,7 @@
     "@angular/platform-browser-dynamic": "~8.0.1",
     "@angular/router": "~8.0.1",
     "@wailsapp/runtime": "^1.0.0",
+    "core-js": "^3.4.4",
     "ngx-build-plus": "^8.0.3",
     "rxjs": "~6.4.0",
     "tslib": "^1.9.0",

cmd/templates/angular-template/frontend/src/main.ts

@@ -1,3 +1,4 @@
+import 'core-js/stable';
 import { enableProdMode } from '@angular/core';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
@@ -6,7 +7,7 @@ import { environment } from './environments/environment';
 
 import 'zone.js'
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 if (environment.production) {
   enableProdMode();

cmd/templates/angular-template/frontend/src/wailsbridge.js

@@ -1,17 +0,0 @@
-/*
-    Wails Bridge (c) 2019-present Lea Anthony
-
-    This prod version is to get around having to rewrite your code
-    for production. When doing a release build, this file will be used 
-    instead of the full version.
-*/
-
-export default {
-  // The main function
-  // Passes the main Wails object to the callback if given.
-  Start: function(callback) {
-    if (callback) {
-      window.wails.events.on("wails:ready", callback);
-    }
-  }
-};

cmd/templates/angular-template/frontend/tsconfig.json

@@ -11,7 +11,7 @@
     "module": "esnext",
     "moduleResolution": "node",
     "importHelpers": true,
-    "target": "es2015",
+    "target": "es5",
     "typeRoots": [
       "node_modules/@types"
     ],
@@ -20,4 +20,4 @@
       "dom"
     ]
   }
-}
+}

cmd/templates/angular-template/main.go.template

@@ -11,7 +11,7 @@ func basic() string {
 
 func main() {
 
-	js := mewn.String("./frontend/dist/my-app/main-es2015.js")
+	js := mewn.String("./frontend/dist/my-app/main.js")
 	css := mewn.String("./frontend/dist/my-app/styles.css")
 
 	app := wails.CreateApp(&wails.AppConfig{

cmd/templates/create-react-app/frontend/src/index.js

@@ -4,7 +4,7 @@ import 'core-js/stable';
 import './index.css';
 import App from './App';
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
   ReactDOM.render(<App />, document.getElementById('app'));

cmd/templates/create-react-app/frontend/src/wailsbridge.js

@@ -1,17 +0,0 @@
-/*
-    Wails Bridge (c) 2019-present Lea Anthony
-
-    This prod version is to get around having to rewrite your code
-    for production. When doing a release build, this file will be used 
-    instead of the full version.
-*/
-
-export default {
-  // The main function
-  // Passes the main Wails object to the callback if given.
-  Start: function (callback) {
-    if (callback) {
-      window.wails.Events.On("wails:ready", callback);
-    }
-  }
-};

cmd/templates/vuebasic/frontend/src/main.js

@@ -4,7 +4,7 @@ import App from './App.vue';
 Vue.config.productionTip = false;
 Vue.config.devtools = true;
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
 	new Vue({

cmd/templates/vuetify-basic/frontend/src/main.js

@@ -12,7 +12,7 @@ import App from './App.vue';
 Vue.config.productionTip = false;
 Vue.config.devtools = true;
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
 	new Vue({

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v0.18.2"
+const Version = "v0.19.0"

cmd/wails/15_migrate.go

@@ -0,0 +1,408 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/Masterminds/semver"
+	"github.com/leaanthony/spinner"
+	"github.com/wailsapp/wails/cmd"
+)
+
+// Constants
+var checkSpinner = spinner.NewSpinner()
+var migrateProjectOptions = &cmd.ProjectOptions{}
+var migrateFS = cmd.NewFSHelper()
+var migrateGithub = cmd.NewGitHubHelper()
+var programHelper = cmd.NewProgramHelper()
+var lessThanV1 *semver.Constraints
+
+// The user's go.mod
+var goMod string
+var goModFile string
+
+// The user's main.js
+var mainJSFile string
+var mainJSContents string
+
+// Frontend directory
+var frontEndDir string
+
+func init() {
+
+	var dryrun bool
+	var err error
+
+	lessThanV1, err = semver.NewConstraint("< v1.0.0")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// var forceRebuild = false
+	checkSpinner.SetSpinSpeed(50)
+
+	commandDescription := `EXPERIMENTAL - This command attempts to migrate projects to the latest Wails version.`
+	updateCmd := app.Command("migrate", "Migrate projects to latest Wails release").
+		LongDescription(commandDescription).
+		BoolFlag("dryrun", "Only display what would be done", &dryrun)
+
+	updateCmd.Action(func() error {
+
+		message := "Migrate Project"
+		logger.PrintSmallBanner(message)
+		logger.Red("WARNING: This is an experimental command. Ensure you have backups of your project!")
+		logger.Red("It currently only supports npm based projects.")
+		fmt.Println()
+
+		// Check project directory
+		err := checkProjectDirectory()
+		if err != nil {
+			return err
+		}
+
+		// Find Wails version from go.mod
+		wailsVersion, err := getWailsVersion()
+		if err != nil {
+			return err
+		}
+
+		// Get latest stable version
+		var latestVersion *semver.Version
+		latestVersion, err = getLatestWailsVersion()
+		if err != nil {
+			return err
+		}
+
+		var canMigrate bool
+		canMigrate, err = canMigrateVersion(wailsVersion, latestVersion)
+		if err != nil {
+			return err
+		}
+
+		if !canMigrate {
+			return nil
+		}
+
+		// Check for wailsbridge
+		wailsBridge, err := checkWailsBridge()
+		if err != nil {
+			return err
+		}
+
+		// Is main.js using bridge.Init()
+		canUpdateMainJS, err := checkMainJS()
+		if err != nil {
+			return err
+		}
+
+		// TODO: Check if we are using legacy js runtime
+
+		// Operations
+		logger.Yellow("Operations to perform:")
+
+		logger.Yellowf("  - Update to Wails v%s\n", latestVersion)
+
+		if len(wailsBridge) > 0 {
+			logger.Yellow("  - Delete wailsbridge.js")
+		}
+
+		if canUpdateMainJS {
+			logger.Yellow("  - Patch main.js")
+		}
+
+		logger.Yellow("  - Ensure '@wailsapp/runtime` module is installed")
+
+		if dryrun {
+			logger.White("Exiting: Dry Run")
+			return nil
+		}
+
+		logger.Red("*WARNING* About to modify your project!")
+		logger.Red("Type 'YES' to continue: ")
+		scanner := bufio.NewScanner(os.Stdin)
+		scanner.Scan()
+		input := scanner.Text()
+		if input != "YES" {
+			logger.Red("ABORTED!")
+			return nil
+		}
+
+		logger.Yellow("Let's do this!")
+
+		err = updateWailsVersion(wailsVersion, latestVersion)
+		if err != nil {
+			return err
+		}
+
+		if len(wailsBridge) > 0 {
+			err = deleteWailsBridge(wailsBridge)
+			if err != nil {
+				return err
+			}
+		}
+
+		if canUpdateMainJS {
+			err = patchMainJS()
+			if err != nil {
+				return err
+			}
+		}
+
+		// Install runtime
+		err = installWailsRuntime()
+		if err != nil {
+			return err
+		}
+
+		fmt.Println()
+		logger.Yellow("Migration complete! Check project by running `wails build`.")
+		return nil
+	})
+}
+
+func checkProjectDirectory() error {
+	// Get versions
+	checkSpinner.Start("Check Project Directory")
+
+	// Check we are in project directory
+	err := migrateProjectOptions.LoadConfig(migrateFS.Cwd())
+	if err != nil {
+		checkSpinner.Error()
+		return fmt.Errorf("Unable to find 'project.json'. Please check you are in a Wails project directory")
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func getWailsVersion() (*semver.Version, error) {
+	checkSpinner.Start("Get Wails Version")
+	var result *semver.Version
+
+	// Load file
+	var err error
+	goModFile, err = filepath.Abs(filepath.Join(".", "go.mod"))
+	if err != nil {
+		checkSpinner.Error()
+		return nil, fmt.Errorf("Unable to load go.mod at %s", goModFile)
+	}
+	goMod, err = migrateFS.LoadAsString(goModFile)
+	if err != nil {
+		checkSpinner.Error()
+		return nil, fmt.Errorf("Unable to load go.mod")
+	}
+
+	// Find wails version
+	versionRegexp := regexp.MustCompile(`.*github.com/wailsapp/wails.*(v\d+.\d+.\d+)`)
+	versions := versionRegexp.FindStringSubmatch(goMod)
+
+	if len(versions) != 2 {
+		return nil, fmt.Errorf("Unable to determine Wails version")
+	}
+
+	version := versions[1]
+	result, err = semver.NewVersion(version)
+	if err != nil {
+		return nil, fmt.Errorf("Unable to parse Wails version: %s", version)
+	}
+	checkSpinner.Success("Found Wails Version: " + version)
+	return result, nil
+
+}
+
+func canMigrateVersion(wailsVersion *semver.Version, latestVersion *semver.Version) (bool, error) {
+	checkSpinner.Start("Checking ability to Migrate")
+
+	// Check if we are at the latest version!!!!
+	if wailsVersion.Equal(latestVersion) || wailsVersion.GreaterThan(latestVersion) {
+		checkSpinner.Errorf("Checking ability to Migrate: No! (v%s >= v%s)", wailsVersion, latestVersion)
+		return false, nil
+	}
+
+	// Check for < v1.0.0
+	if lessThanV1.Check(wailsVersion) {
+		checkSpinner.Successf("Checking ability to Migrate: Yes! (v%s < v1.0.0)", wailsVersion)
+		return true, nil
+	}
+	checkSpinner.Error("Unable to migrate")
+	return false, fmt.Errorf("No migration rules for version %s", wailsVersion)
+}
+
+func checkWailsBridge() (string, error) {
+	checkSpinner.Start("Checking if legacy Wails Bridge present")
+
+	// Check frontend dir is available
+	if migrateProjectOptions.FrontEnd == nil ||
+		len(migrateProjectOptions.FrontEnd.Dir) == 0 ||
+		!migrateFS.DirExists(migrateProjectOptions.FrontEnd.Dir) {
+		checkSpinner.Error("Unable to determine frontend directory")
+		return "", fmt.Errorf("Unable to determine frontend directory")
+	}
+
+	frontEndDir = migrateProjectOptions.FrontEnd.Dir
+
+	wailsBridgePath, err := filepath.Abs(filepath.Join(".", frontEndDir, "src", "wailsbridge.js"))
+	if err != nil {
+		checkSpinner.Error(err.Error())
+		return "", err
+	}
+
+	// If it doesn't exist, return blank string
+	if !migrateFS.FileExists(wailsBridgePath) {
+		checkSpinner.Success("Checking if legacy Wails Bridge present: No")
+		return "", nil
+	}
+
+	checkSpinner.Success("Checking if legacy Wails Bridge present: Yes")
+	return wailsBridgePath, nil
+
+}
+
+// This function determines if the main.js file using wailsbridge can be auto-updated
+func checkMainJS() (bool, error) {
+
+	checkSpinner.Start("Checking if main.js can be migrated")
+	var err error
+
+	// Check main.js is there
+	if migrateProjectOptions.FrontEnd == nil ||
+		len(migrateProjectOptions.FrontEnd.Dir) == 0 ||
+		!migrateFS.DirExists(migrateProjectOptions.FrontEnd.Dir) {
+		checkSpinner.Error("Unable to determine frontend directory")
+		return false, fmt.Errorf("Unable to determine frontend directory")
+	}
+
+	frontEndDir = migrateProjectOptions.FrontEnd.Dir
+
+	mainJSFile, err = filepath.Abs(filepath.Join(".", frontEndDir, "src", "main.js"))
+	if err != nil {
+		checkSpinner.Error("Unable to find main.js")
+		return false, err
+	}
+
+	mainJSContents, err = migrateFS.LoadAsString(mainJSFile)
+	if err != nil {
+		checkSpinner.Error("Unable to load main.js")
+		return false, err
+	}
+
+	// Check we have a line like: import Bridge from "./wailsbridge";
+	if strings.Index(mainJSContents, `import Bridge from "./wailsbridge";`) == -1 {
+		checkSpinner.Success("Checking if main.js can be migrated: No - Cannot find `import Bridge`")
+		return false, nil
+	}
+
+	// Check we have a line like: Bridge.Start(() => {
+	if strings.Index(mainJSContents, `Bridge.Start(`) == -1 {
+		checkSpinner.Success("Checking if main.js can be migrated: No - Cannot find `Bridge.Start`")
+		return false, nil
+	}
+	checkSpinner.Success("Checking if main.js can be migrated: Yes")
+	return true, nil
+}
+
+func getLatestWailsVersion() (*semver.Version, error) {
+	checkSpinner.Start("Checking GitHub for latest Wails version")
+	version, err := migrateGithub.GetLatestStableRelease()
+	if err != nil {
+		checkSpinner.Error("Checking GitHub for latest Wails version: Failed")
+		return nil, err
+	}
+
+	checkSpinner.Successf("Checking GitHub for latest Wails version: v%s", version)
+	return version.Version, nil
+}
+
+func updateWailsVersion(currentVersion, latestVersion *semver.Version) error {
+	// Patch go.mod
+	checkSpinner.Start("Patching go.mod")
+
+	wailsModule := "github.com/wailsapp/wails"
+	old := fmt.Sprintf("%s v%s", wailsModule, currentVersion)
+	new := fmt.Sprintf("%s v%s", wailsModule, latestVersion)
+
+	goMod = strings.Replace(goMod, old, new, -1)
+	err := ioutil.WriteFile(goModFile, []byte(goMod), 0600)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func deleteWailsBridge(bridgeFilename string) error {
+	// Patch go.mod
+	checkSpinner.Start("Delete legacy wailsbridge.js")
+
+	err := migrateFS.RemoveFile(bridgeFilename)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func patchMainJS() error {
+	// Patch main.js
+	checkSpinner.Start("Patching main.js")
+
+	// Patch import line
+	oldImportLine := `import Bridge from "./wailsbridge";`
+	newImportLine := `import * as Wails from "@wailsapp/runtime";`
+	mainJSContents = strings.Replace(mainJSContents, oldImportLine, newImportLine, -1)
+
+	// Patch Start line
+	oldStartLine := `Bridge.Start`
+	newStartLine := `Wails.Init`
+	mainJSContents = strings.Replace(mainJSContents, oldStartLine, newStartLine, -1)
+
+	err := ioutil.WriteFile(mainJSFile, []byte(mainJSContents), 0600)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func installWailsRuntime() error {
+
+	checkSpinner.Start("Installing @wailsapp/runtime module")
+
+	// Change to the frontend directory
+	err := os.Chdir(frontEndDir)
+	if err != nil {
+		checkSpinner.Error()
+		return nil
+	}
+
+	// Determine package manager
+	packageManager, err := migrateProjectOptions.GetNPMBinaryName()
+	if err != nil {
+		checkSpinner.Error()
+		return nil
+	}
+
+	switch packageManager {
+	case cmd.NPM:
+		// npm install --save @wailsapp/runtime
+		programHelper.InstallNPMPackage("@wailsapp/runtime", true)
+	default:
+		checkSpinner.Error()
+		return fmt.Errorf("Unknown package manager")
+	}
+
+	checkSpinner.Success()
+	return nil
+}

cmd/wails/9_issue.go

@@ -80,15 +80,16 @@ To help you in this process, we will ask for some information, add Go/Wails deta
 		npm := program.FindProgram("npm")
 		if npm != nil {
 			stdout, _, _, _ := npm.Run("--version")
-			nodeVersion = stdout
-			nodeVersion = nodeVersion[:len(nodeVersion)-1]
+			npmVersion = stdout
+			npmVersion = npmVersion[:len(npmVersion)-1]
+			npmVersion = strings.TrimSpace(npmVersion)
 		}
 
 		node := program.FindProgram("node")
 		if node != nil {
 			stdout, _, _, _ := node.Run("--version")
-			npmVersion = stdout
-			npmVersion = npmVersion[:len(npmVersion)-1]
+			nodeVersion = stdout
+			nodeVersion = nodeVersion[:len(nodeVersion)-1]
 		}
 
 		str.WriteString("\n| Name   | Value |\n| ----- | ----- |\n")

cmd/wails/main.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"os"
+	"os/exec"
+
 	"github.com/wailsapp/wails/cmd"
 )
 
@@ -15,5 +18,9 @@ func main() {
 	err := app.Run()
 	if err != nil {
 		logger.Error(err.Error())
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			os.Exit(exitErr.ExitCode())
+		}
+		os.Exit(1)
 	}
 }

cmd/windres.bat

@@ -0,0 +1 @@
+windres.exe -o %1 %2

config.go

@@ -1,6 +1,9 @@
 package wails
 
-import "github.com/leaanthony/mewn"
+import (
+	"github.com/leaanthony/mewn"
+	"github.com/wailsapp/wails/runtime"
+)
 
 // AppConfig is the configuration structure used when creating a Wails App object
 type AppConfig struct {
@@ -65,7 +68,7 @@ func (a *AppConfig) merge(in *AppConfig) error {
 		a.CSS = in.CSS
 	}
 	if in.Title != "" {
-		a.Title = in.Title
+		a.Title = runtime.ProcessEncoding(in.Title)
 	}
 
 	if in.Colour != "" {

go.mod

@@ -2,6 +2,7 @@ module github.com/wailsapp/wails
 
 require (
 	github.com/Masterminds/semver v1.4.2
+	github.com/abadojack/whatlanggo v1.0.1
 	github.com/dchest/cssmin v0.0.0-20151210170030-fb8d9b44afdc // indirect
 	github.com/dchest/htmlmin v0.0.0-20150526090704-e254725e81ac
 	github.com/dchest/jsmin v0.0.0-20160823214000-faeced883947 // indirect
@@ -22,9 +23,11 @@ require (
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/sirupsen/logrus v1.4.1
 	github.com/stretchr/testify v1.3.0 // indirect
+	github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba
 	golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 // indirect
 	golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 // indirect
 	golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862
+	golang.org/x/text v0.3.0
 	gopkg.in/AlecAivazis/survey.v1 v1.8.4
 	gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22
 )

go.sum

@@ -2,6 +2,8 @@ github.com/Masterminds/semver v1.4.2 h1:WBLTQ37jOCzSLtXNdoo8bNM8876KhNqOKvrlGITg
 github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8 h1:xzYJEypr/85nBpB11F9br+3HUrpgb+fcm5iADzXXYEw=
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8/go.mod h1:oX5x61PbNXchhh0oikYAH+4Pcfw5LKv21+Jnpr6r6Pc=
+github.com/abadojack/whatlanggo v1.0.1 h1:19N6YogDnf71CTHm3Mp2qhYfkRdyvbgwWdd2EPxJRG4=
+github.com/abadojack/whatlanggo v1.0.1/go.mod h1:66WiQbSbJBIlOZMsvbKe5m6pzQovxCH9B/K8tQB2uoc=
 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=
@@ -68,6 +70,8 @@ github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba h1:2DHfQOxcpWdGf5q5IzCUFPNvRX9Icf+09RvQK2VnJq0=
+github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba/go.mod h1:iLnlXG2Pakcii2CU0cbY07DRCSvpWNa7nFxtevhOChk=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 h1:iMGN4xG0cnqj3t+zOM8wUB0BiPKHEwSxEZCvzcbZuvk=
@@ -83,6 +87,7 @@ golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862 h1:rM0ROo5vb9AdYJi1110yjWGMej9ITfKddS89P3Fkhug=
 golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4 h1:10xXXN3wgIhPheb5NI58zFgZv32Ana7P3Tl4shW+0Qc=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4/go.mod h1:iBNOmqKz/NUbZx3bA+4hAGLRC7fSK7tgtVDT4tB22XA=

lib/binding/manager.go

@@ -16,6 +16,7 @@ type Manager struct {
 	functions        map[string]*boundFunction
 	internalMethods  *internalMethods
 	initMethods      []*boundMethod
+	shutdownMethods  []*boundMethod
 	log              *logger.CustomLogger
 	renderer         interfaces.Renderer
 	runtime          interfaces.Runtime // The runtime object to pass to bound structs
@@ -127,6 +128,9 @@ func (b *Manager) bindMethod(object interface{}) error {
 		if newMethod.isWailsInit {
 			b.log.Debugf("Detected WailsInit function: %s", fullMethodName)
 			b.initMethods = append(b.initMethods, newMethod)
+		} else if newMethod.isWailsShutdown {
+			b.log.Debugf("Detected WailsShutdown function: %s", fullMethodName)
+			b.shutdownMethods = append(b.shutdownMethods, newMethod)
 		} else {
 			// Save boundMethod
 			b.log.Infof("Bound Method: %s()", fullMethodName)
@@ -292,3 +296,13 @@ func (b *Manager) callWailsInitMethods() error {
 	}
 	return nil
 }
+
+// Shutdown the binding manager
+func (b *Manager) Shutdown() {
+	b.log.Debug("Shutdown called")
+	for _, method := range b.shutdownMethods {
+		b.log.Debugf("Calling Shutdown for method: %s", method.fullName)
+		method.call("[]")
+	}
+	b.log.Debug("Shutdown complete")
+}

lib/binding/method.go

@@ -18,6 +18,7 @@ type boundMethod struct {
 	log                *logger.CustomLogger
 	hasErrorReturnType bool // Indicates if there is an error return type
 	isWailsInit        bool
+	isWailsShutdown    bool
 }
 
 // Creates a new bound method based on the given method + type
@@ -39,6 +40,11 @@ func newBoundMethod(name string, fullName string, method reflect.Value, objectTy
 		err = result.processWailsInit()
 	}
 
+	// Are we a WailsShutdown method?
+	if result.Name == "WailsShutdown" {
+		err = result.processWailsShutdown()
+	}
+
 	return result, err
 }
 
@@ -211,3 +217,20 @@ func (b *boundMethod) processWailsInit() error {
 
 	return nil
 }
+
+func (b *boundMethod) processWailsShutdown() error {
+	// We must have only 1 input, it must be *wails.Runtime
+	if len(b.inputs) != 0 {
+		return fmt.Errorf("Invalid WailsShutdown() definition. Expected 0 inputs, but got %d", len(b.inputs))
+	}
+
+	// We must have only 1 output, it must be error
+	if len(b.returnTypes) != 0 {
+		return fmt.Errorf("Invalid WailsShutdown() definition. Expected 0 return types, but got %d", len(b.returnTypes))
+	}
+
+	// We are indeed a wails Shutdown method
+	b.isWailsShutdown = true
+
+	return nil
+}

lib/event/manager.go

@@ -3,18 +3,21 @@ package event
 import (
 	"fmt"
 	"sync"
+	"time"
+
+	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
-	"github.com/wailsapp/wails/lib/interfaces"
 )
 
 // Manager handles and processes events
 type Manager struct {
 	incomingEvents chan *messages.EventData
 	listeners      map[string][]*eventListener
-	exit           bool
+	running        bool
 	log            *logger.CustomLogger
 	renderer       interfaces.Renderer // Messages will be dispatched to the frontend
+	wg             sync.WaitGroup
 }
 
 // NewManager creates a new event manager with a 100 event buffer
@@ -22,7 +25,7 @@ func NewManager() interfaces.EventManager {
 	return &Manager{
 		incomingEvents: make(chan *messages.EventData, 100),
 		listeners:      make(map[string][]*eventListener),
-		exit:           false,
+		running:        false,
 		log:            logger.NewCustomLogger("Events"),
 	}
 }
@@ -87,15 +90,14 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 	// Store renderer
 	e.renderer = renderer
 
-	// Set up waitgroup so we can wait for goroutine to start
-	var wg sync.WaitGroup
-	wg.Add(1)
+	// Set up waitgroup so we can wait for goroutine to quit
+	e.running = true
+	e.wg.Add(1)
 
 	// Run main loop in separate goroutine
 	go func() {
-		wg.Done()
 		e.log.Info("Listening")
-		for e.exit == false {
+		for e.running {
 			// TODO: Listen for application exit
 			select {
 			case event := <-e.incomingEvents:
@@ -139,14 +141,18 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 						}
 					}
 				}
+			default:
+				time.Sleep(1 * time.Millisecond)
 			}
 		}
+		e.wg.Done()
 	}()
-
-	// Wait for goroutine to start
-	wg.Wait()
 }
 
-func (e *Manager) stop() {
-	e.exit = true
+// Shutdown is called when exiting the Application
+func (e *Manager) Shutdown() {
+	e.log.Debug("Shutting Down")
+	e.running = false
+	e.log.Debug("Waiting for main loop to exit")
+	e.wg.Wait()
 }

lib/interfaces/bindingmanager.go

@@ -7,4 +7,5 @@ type BindingManager interface {
 	Bind(object interface{})
 	Start(renderer Renderer, runtime Runtime) error
 	ProcessCall(callData *messages.CallData) (result interface{}, err error)
+	Shutdown()
 }

lib/interfaces/eventmanager.go

@@ -8,4 +8,5 @@ type EventManager interface {
 	Emit(eventName string, optionalData ...interface{})
 	On(eventName string, callback func(...interface{}))
 	Start(Renderer)
+	Shutdown()
 }

lib/interfaces/ipcmanager.go

@@ -5,4 +5,5 @@ type IPCManager interface {
 	BindRenderer(Renderer)
 	Dispatch(message string)
 	Start(eventManager EventManager, bindingManager BindingManager)
+	Shutdown()
 }

lib/ipc/manager.go

@@ -2,6 +2,8 @@ package ipc
 
 import (
 	"fmt"
+	"sync"
+	"time"
 
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
@@ -12,18 +14,20 @@ import (
 type Manager struct {
 	renderer     interfaces.Renderer // The renderer
 	messageQueue chan *ipcMessage
-	// quitChannel  chan struct{}
+	quitChannel  chan struct{}
 	// signals      chan os.Signal
 	log            *logger.CustomLogger
 	eventManager   interfaces.EventManager
 	bindingManager interfaces.BindingManager
+	running        bool
+	wg             sync.WaitGroup
 }
 
 // NewManager creates a new IPC Manager
 func NewManager() interfaces.IPCManager {
 	result := &Manager{
 		messageQueue: make(chan *ipcMessage, 100),
-		// 		quitChannel:  make(chan struct{}),
+		quitChannel:  make(chan struct{}),
 		// 		signals:      make(chan os.Signal, 1),
 		log: logger.NewCustomLogger("IPC"),
 	}
@@ -44,9 +48,12 @@ func (i *Manager) Start(eventManager interfaces.EventManager, bindingManager int
 
 	i.log.Info("Starting")
 	// signal.Notify(manager.signals, os.Interrupt)
+	i.running = true
+
+	// Keep track of this goroutine
+	i.wg.Add(1)
 	go func() {
-		running := true
-		for running {
+		for i.running {
 			select {
 			case incomingMessage := <-i.messageQueue:
 				i.log.DebugFields("Processing message", logger.Fields{
@@ -117,15 +124,12 @@ func (i *Manager) Start(eventManager interfaces.EventManager, bindingManager int
 				i.log.DebugFields("Finished processing message", logger.Fields{
 					"1D": &incomingMessage,
 				})
-				// 			case <-manager.quitChannel:
-				// 				Debug("[MessageQueue] Quit caught")
-				// 				running = false
-				// 			case <-manager.signals:
-				// 				Debug("[MessageQueue] Signal caught")
-				// 				running = false
+			default:
+				time.Sleep(1 * time.Millisecond)
 			}
 		}
 		i.log.Debug("Stopping")
+		i.wg.Done()
 	}()
 }
 
@@ -167,3 +171,11 @@ func (i *Manager) SendResponse(response *ipcResponse) error {
 	// Call back to the front end
 	return i.renderer.Callback(data)
 }
+
+// Shutdown is called when exiting the Application
+func (i *Manager) Shutdown() {
+	i.log.Debug("Shutdown called")
+	i.running = false
+	i.log.Debug("Waiting of main loop shutdown")
+	i.wg.Wait()
+}

lib/renderer/bridge.go

@@ -156,7 +156,7 @@ func (h *Bridge) Run() error {
 	h.log.Info("The frontend will connect automatically.")
 
 	err := h.server.ListenAndServe()
-	if err != nil {
+	if err != nil && err != http.ErrServerClosed {
 		h.log.Fatal(err.Error())
 	}
 	return err
@@ -250,5 +250,9 @@ func (h *Bridge) SetTitle(title string) {
 // Close is unsupported for Bridge but required
 // for the Renderer interface
 func (h *Bridge) Close() {
-	h.log.Warn("Close() unsupported in bridge mode")
+	h.log.Debug("Shutting down")
+	err := h.server.Close()
+	if err != nil {
+		h.log.Errorf(err.Error())
+	}
 }

lib/renderer/webview/webview.go

@@ -1,6 +1,5 @@
-// Package wails implements Go bindings to https://github.com/zserge/webview C library.
+// Package webview implements Go bindings to https://github.com/zserge/webview C library.
 // It is a modified version of webview.go from that repository
-
 // Bindings closely repeat the C APIs and include both, a simplified
 // single-function API to just open a full-screen webview window, and a more
 // advanced and featureful set of APIs, including Go-to-JavaScript bindings.
@@ -11,10 +10,10 @@
 package webview
 
 /*
-#cgo linux openbsd freebsd CFLAGS: -DWEBVIEW_GTK=1
+#cgo linux openbsd freebsd CFLAGS: -DWEBVIEW_GTK=1 -Wno-deprecated-declarations
 #cgo linux openbsd freebsd pkg-config: gtk+-3.0 webkit2gtk-4.0
 
-#cgo windows CFLAGS: -DWEBVIEW_WINAPI=1
+#cgo windows CFLAGS: -DWEBVIEW_WINAPI=1 -std=c99
 #cgo windows LDFLAGS: -lole32 -lcomctl32 -loleaut32 -luuid -lgdi32
 
 #cgo darwin CFLAGS: -DWEBVIEW_COCOA=1 -x objective-c

lib/renderer/webview/webview.h

@@ -86,7 +86,7 @@ struct webview_priv
   NSAutoreleasePool *pool;
   NSWindow *window;
   WebView *webview;
-  id windowDelegate;
+  id delegate;
   int should_exit;
 };
 #else
@@ -1038,7 +1038,7 @@ struct webview_priv
     return S_FALSE;
   }
 
-  static const TCHAR *classname = "WebView";
+  static const TCHAR *classname = TEXT("WebView");
   static const SAFEARRAYBOUND ArrayBound = {1, 0};
 
   static IOleClientSiteVtbl MyIOleClientSiteTable = {
@@ -1227,7 +1227,7 @@ struct webview_priv
       }
       VariantInit(&myURL);
       myURL.vt = VT_BSTR;
-#ifndef UNICODE
+// #ifndef UNICODE
       {
         wchar_t *buffer = webview_to_utf16(webPageName);
         if (buffer == NULL)
@@ -1237,9 +1237,9 @@ struct webview_priv
         myURL.bstrVal = SysAllocString(buffer);
         GlobalFree(buffer);
       }
-#else
-      myURL.bstrVal = SysAllocString(webPageName);
-#endif
+// #else
+//       myURL.bstrVal = SysAllocString(webPageName);
+// #endif
       if (!myURL.bstrVal)
       {
       badalloc:
@@ -1277,7 +1277,7 @@ struct webview_priv
             if (!SafeArrayAccessData(sfArray, (void **)&pVar))
             {
               pVar->vt = VT_BSTR;
-#ifndef UNICODE
+// #ifndef UNICODE
               {
                 wchar_t *buffer = webview_to_utf16(url);
                 if (buffer == NULL)
@@ -1287,9 +1287,9 @@ struct webview_priv
                 bstr = SysAllocString(buffer);
                 GlobalFree(buffer);
               }
-#else
-              bstr = SysAllocString(string);
-#endif
+// #else
+//               bstr = SysAllocString(url);
+// #endif
               if ((pVar->bstrVal = bstr))
               {
                 htmlDoc2->lpVtbl->write(htmlDoc2, sfArray);
@@ -1404,6 +1404,7 @@ struct webview_priv
     {
       return -1;
     }
+
     ZeroMemory(&wc, sizeof(WNDCLASSEX));
     wc.cbSize = sizeof(WNDCLASSEX);
     wc.hInstance = hInstance;
@@ -1431,10 +1432,24 @@ struct webview_priv
     rect.bottom = rect.bottom - rect.top + top;
     rect.top = top;
 
+#ifdef UNICODE
+    wchar_t *u16title = webview_to_utf16(w->title);
+    if (u16title == NULL)
+    {
+      return -1;
+    }
+
     w->priv.hwnd =
+        CreateWindowEx(0, classname, u16title, style, rect.left, rect.top,
+                       rect.right - rect.left, rect.bottom - rect.top,
+                       HWND_DESKTOP, NULL, hInstance, (void *)w);
+#else
+  w->priv.hwnd =
         CreateWindowEx(0, classname, w->title, style, rect.left, rect.top,
                        rect.right - rect.left, rect.bottom - rect.top,
                        HWND_DESKTOP, NULL, hInstance, (void *)w);
+#endif
+    
     if (w->priv.hwnd == 0)
     {
       OleUninitialize();
@@ -1445,7 +1460,14 @@ struct webview_priv
 
     DisplayHTMLPage(w);
 
+#ifdef UNICODE
+    SetWindowText(w->priv.hwnd, u16title);
+    GlobalFree(u16title);
+#else
     SetWindowText(w->priv.hwnd, w->title);
+#endif
+    
+    
     ShowWindow(w->priv.hwnd, SW_SHOWDEFAULT);
     UpdateWindow(w->priv.hwnd);
     SetFocus(w->priv.hwnd);
@@ -1581,9 +1603,20 @@ struct webview_priv
 
   WEBVIEW_API void webview_set_title(struct webview *w, const char *title)
   {
+  #ifdef UNICODE
+    wchar_t *u16title = webview_to_utf16(title);
+    if (u16title == NULL)
+    {
+      return;
+    }
+    SetWindowText(w->priv.hwnd, u16title);
+    GlobalFree(u16title);
+  #else
     SetWindowText(w->priv.hwnd, title);
+  #endif
   }
 
+
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (w->priv.is_fullscreen == !!fullscreen)
@@ -1894,6 +1927,22 @@ struct webview_priv
     [script setValue:self forKey:@"external"];
   }
 
+static void webview_run_input_open_panel(id self, SEL cmd, id webview,
+                                           id listener, BOOL allowMultiple) {
+    char filename[256] = "";
+    struct webview *w =
+        (struct webview *)objc_getAssociatedObject(self, "webview");
+
+    webview_dialog(w, WEBVIEW_DIALOG_TYPE_OPEN, WEBVIEW_DIALOG_FLAG_FILE, "", "",
+                   filename, 255);
+    if (strlen(filename)) {
+      [listener chooseFilename:[NSString stringWithUTF8String:filename]];
+    } else {
+      [listener cancel];
+    }
+  }
+
+
   static void webview_external_invoke(id self, SEL cmd, id arg)
   {
     struct webview *w =
@@ -1927,12 +1976,17 @@ struct webview_priv
     class_addMethod(webViewDelegateClass,
                     sel_registerName("webView:didClearWindowObject:forFrame:"),
                     (IMP)webview_did_clear_window_object, "v@:@@@");
+    class_addMethod(
+        webViewDelegateClass,
+        sel_registerName("webView:runOpenPanelForFileButtonWithResultListener:"
+                         "allowMultipleFiles:"),
+        (IMP)webview_run_input_open_panel, "v@:@@c");
     class_addMethod(webViewDelegateClass, sel_registerName("invoke:"),
                     (IMP)webview_external_invoke, "v@:@");
     objc_registerClassPair(webViewDelegateClass);
 
-    w->priv.windowDelegate = [[webViewDelegateClass alloc] init];
-    objc_setAssociatedObject(w->priv.windowDelegate, "webview", (id)(w),
+    w->priv.delegate = [[webViewDelegateClass alloc] init];
+    objc_setAssociatedObject(w->priv.delegate, "webview", (id)(w),
                              OBJC_ASSOCIATION_ASSIGN);
 
     NSRect r = NSMakeRect(0, 0, w->width, w->height);
@@ -1960,7 +2014,7 @@ struct webview_priv
     NSString *nsTitle = [NSString stringWithUTF8String:w->title];
     [w->priv.window setTitle:nsTitle];
 
-    [w->priv.window setDelegate:w->priv.windowDelegate];
+    [w->priv.window setDelegate:w->priv.delegate];
     [w->priv.window center];
 
     //  NSToolbar *toolbar = [[NSToolbar alloc] initWithIdentifier:@"wat"];
@@ -1989,7 +2043,8 @@ struct webview_priv
     [w->priv.webview setAutoresizesSubviews:YES];
     [w->priv.webview
         setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
-    w->priv.webview.frameLoadDelegate = w->priv.windowDelegate;
+    w->priv.webview.frameLoadDelegate = w->priv.delegate;
+    w->priv.webview.UIDelegate = w->priv.delegate;
     [[w->priv.window contentView] addSubview:w->priv.webview];
     [w->priv.window orderFrontRegardless];
 

runtime/assets/bridge.js

@@ -95,13 +95,6 @@ function startBridge() {
 		window.wailsbridge.reconnectOverlay.style.display = 'none';
 	}
 
-	// Bridge external.invoke
-	window.external = {
-		invoke: function (msg) {
-			window.wailsbridge.websocket.send(msg);
-		}
-	};
-
 	// Adds a script to the Dom.
 	// Removes it if second parameter is true.
 	function addScript(script, remove) {
@@ -214,4 +207,4 @@ function Init(callback) {
 	start(callback);
 }
 
-module.exports = Init;
+module.exports = Init;

runtime/js/.eslintrc

@@ -15,10 +15,7 @@
             "error",
             "tab"
         ],
-        "linebreak-style": [
-            "error",
-            "unix"
-        ],
+        "linebreak-style": 0,
         "quotes": [
             "error",
             "single"
@@ -28,4 +25,4 @@
             "always"
         ]
     }
-}
+}

runtime/js/core/ipc.js

@@ -15,7 +15,11 @@ The lightweight framework for web-like apps
  * @param {string} message
  */
 function Invoke(message) {
-	window.external.invoke(message);
+	if ( window.wailsbridge ) {
+		window.wailsbridge.websocket.send(message);
+	} else {
+		window.external.invoke(message);
+	}
 }
 
 /**

runtime/js/core/main.js

@@ -46,6 +46,16 @@ var runtime = {
 // Augment global
 Object.assign(window.wails, runtime);
 
+// Setup global error handler
+window.onerror = function (msg, url, lineNo, columnNo, error) {
+	window.wails.Log.Error('**** Caught Unhandled Error ****');
+	window.wails.Log.Error('Message: ' + msg);
+	window.wails.Log.Error('URL: ' + url);
+	window.wails.Log.Error('Line No: ' + lineNo);
+	window.wails.Log.Error('Column No: ' + columnNo);
+	window.wails.Log.Error('error: ' + error);
+};
+
 // Emit loaded event
 Emit('wails:loaded');
 

runtime/js/runtime/browser.js

@@ -32,6 +32,6 @@ function OpenFile(filename) {
 }
 
 module.exports = {
-	OpenURL,
-	OpenFile
+	OpenURL: OpenURL,
+	OpenFile: OpenFile
 };

runtime/js/runtime/events.js

@@ -80,10 +80,10 @@ function Acknowledge(eventName) {
 }
 
 module.exports = {
-	OnMultiple,
-	On,
-	Once,
-	Emit,
-	Heartbeat,
-	Acknowledge
+	OnMultiple: OnMultiple,
+	On: On,
+	Once: Once,
+	Emit: Emit,
+	Heartbeat: Heartbeat,
+	Acknowledge: Acknowledge
 };

runtime/js/runtime/log.js

@@ -62,9 +62,9 @@ function Fatal(message) {
 }
 
 module.exports = {
-	Debug,
-	Info,
-	Warning,
-	Error,
-	Fatal
+	Debug: Debug,
+	Info: Info,
+	Warning: Warning,
+	Error: Error,
+	Fatal: Fatal
 };

runtime/js/runtime/main.js

@@ -15,8 +15,8 @@ const Events = require('./events');
 const Init = require('./init');
 
 module.exports = {
-	Log,
-	Browser,
-	Events,
-	Init
+	Log: Log,
+	Browser: Browser,
+	Events: Events,
+	Init: Init
 };

runtime/js/runtime/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wailsapp/runtime",
-  "version": "1.0.6",
+  "version": "1.0.9",
   "description": "Wails Javascript runtime library",
   "main": "main.js",
   "types": "runtime.d.ts",

runtime/window.go

@@ -1,6 +1,54 @@
 package runtime
 
-import "github.com/wailsapp/wails/lib/interfaces"
+import (
+	"bytes"
+	"runtime"
+
+	"github.com/abadojack/whatlanggo"
+	"github.com/wailsapp/wails/lib/interfaces"
+	"golang.org/x/text/encoding"
+	"golang.org/x/text/encoding/japanese"
+	"golang.org/x/text/encoding/korean"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func detectEncoding(text string) (encoding.Encoding, string) {
+	// korean
+	var enc encoding.Encoding
+	info := whatlanggo.Detect(text)
+	//fmt.Println("Language:", info.Lang.String(), " Script:", whatlanggo.Scripts[info.Script], " Confidence: ", info.Confidence)
+	switch info.Lang.String() {
+	case "Korean":
+		enc = korean.EUCKR
+	case "Mandarin":
+		enc = simplifiedchinese.GBK
+	case "Japanese":
+		enc = japanese.EUCJP
+	}
+	return enc, info.Lang.String()
+}
+
+// ProcessEncoding attempts to convert CKJ strings to UTF-8
+func ProcessEncoding(text string) string {
+	if runtime.GOOS != "windows" {
+		return text
+	}
+
+	encoding, _ := detectEncoding(text)
+	if encoding != nil {
+		var bufs bytes.Buffer
+		wr := transform.NewWriter(&bufs, encoding.NewEncoder())
+		_, err := wr.Write([]byte(text))
+		defer wr.Close()
+		if err != nil {
+			return ""
+		}
+
+		return bufs.String()
+	}
+	return text
+}
 
 // Window exposes an interface for manipulating the window
 type Window struct {
@@ -31,6 +79,7 @@ func (r *Window) UnFullscreen() {
 
 // SetTitle sets the the window title
 func (r *Window) SetTitle(title string) {
+	title = ProcessEncoding(title)
 	r.renderer.SetTitle(title)
 }
 

scripts/build.go

@@ -0,0 +1,84 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+// Default target to run when none is specified
+// If not set, running mage will list available targets
+// var Default = Build
+
+/*
+# Build runtime
+echo "**** Building Runtime ****"
+cd runtime/js
+npm install
+npm run build
+cd ../..
+
+echo "**** Packing Assets ****"
+cd cmd
+mewn
+cd ..
+cd lib/renderer
+mewn
+cd ../..
+
+echo "**** Installing Wails locally ****"
+cd cmd/wails
+go install
+cd ../..
+
+echo "**** Tidying the mods! ****"
+go mod tidy
+
+echo "**** WE ARE DONE! ****"
+
+*/
+
+func runCommand(command string, args ...string) {
+	cmd := exec.Command(command, args...)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		log.Println(string(output))
+		log.Fatal(err)
+	}
+	cmd.Run()
+	fmt.Println(string(output))
+}
+
+// A build step that requires additional params, or platform specific steps for example
+func main() {
+
+	dir, _ := os.Getwd()
+
+	// Build Runtime
+	fmt.Println("**** Building Runtime ****")
+	runtimeDir, _ := filepath.Abs(filepath.Join(dir, "..", "runtime", "js"))
+	os.Chdir(runtimeDir)
+	runCommand("npm", "install")
+	runCommand("npm", "run", "build")
+
+	// Pack assets
+	fmt.Println("**** Packing Assets ****")
+	rendererDir, _ := filepath.Abs(filepath.Join(dir, "..", "lib", "renderer"))
+	os.Chdir(rendererDir)
+	runCommand("mewn")
+	cmdDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd"))
+	os.Chdir(cmdDir)
+	runCommand("mewn")
+
+	// Install Wails
+	fmt.Println("**** Installing Wails locally ****")
+	execDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd", "wails"))
+	os.Chdir(execDir)
+	runCommand("go", "install")
+
+	baseDir, _ := filepath.Abs(filepath.Join(dir, ".."))
+	os.Chdir(baseDir)
+	runCommand("go", "mod", "tidy")
+}