package main import ( _ "embed" "fmt" "log" "math/rand" "runtime" "strconv" "time" "github.com/samber/lo" "github.com/wailsapp/wails/v3/pkg/events" "github.com/wailsapp/wails/v3/pkg/application" ) func main() { app := application.New(application.Options{ Name: "WebviewWindow Demo", Description: "A demo of the WebviewWindow API", Assets: application.AlphaAssets, Mac: application.MacOptions{ ApplicationShouldTerminateAfterLastWindowClosed: false, }, }) app.On(events.Common.ApplicationStarted, func(event *application.Event) { log.Println("ApplicationDidFinishLaunching") }) var hiddenWindows []*application.WebviewWindow currentWindow := func(fn func(window *application.WebviewWindow)) { if app.CurrentWindow() != nil { fn(app.CurrentWindow()) } else { println("Current WebviewWindow is nil") } } // Create a custom menu menu := app.NewMenu() if runtime.GOOS == "darwin" { menu.AddRole(application.AppMenu) } else { menu.AddRole(application.FileMenu) } windowCounter := 1 // Let's make a "Demo" menu myMenu := menu.AddSubmenu("New") myMenu.Add("New WebviewWindow"). SetAccelerator("CmdOrCtrl+N"). OnClick(func(ctx *application.Context) { app.NewWebviewWindow(). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetURL("https://wails.io"). Show() windowCounter++ }) if runtime.GOOS != "linux" { myMenu.Add("New WebviewWindow (Disable Minimise)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Windows: application.WindowsWindow{ DisableMinimiseButton: true, }, Mac: application.MacWindow{ DisableMinimiseButton: true, }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetURL("https://wails.io"). Show() windowCounter++ }) myMenu.Add("New WebviewWindow (Disable Maximise)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Windows: application.WindowsWindow{ DisableMaximiseButton: true, }, Mac: application.MacWindow{ DisableMaximiseButton: true, }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetURL("https://wails.io"). Show() windowCounter++ }) } if runtime.GOOS == "darwin" { myMenu.Add("New WebviewWindow (Disable Close)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Mac: application.MacWindow{ DisableCloseButton: true, }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetURL("https://wails.io"). Show() windowCounter++ }) } myMenu.Add("New WebviewWindow (Hides on Close one time)"). SetAccelerator("CmdOrCtrl+H"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ // This will be called when the user clicks the close button // on the window. It will hide the window for 5 seconds. // If the user clicks the close button again, the window will // close. ShouldClose: func(window *application.WebviewWindow) bool { if !lo.Contains(hiddenWindows, window) { hiddenWindows = append(hiddenWindows, window) go func() { time.Sleep(5 * time.Second) window.Show() }() window.Hide() return false } // Remove the window from the hiddenWindows list hiddenWindows = lo.Without(hiddenWindows, window) return true }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetURL("https://wails.io"). Show() windowCounter++ }) myMenu.Add("New Frameless WebviewWindow"). SetAccelerator("CmdOrCtrl+F"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ X: rand.Intn(1000), Y: rand.Intn(800), BackgroundColour: application.NewRGB(33, 37, 41), Frameless: true, Mac: application.MacWindow{ InvisibleTitleBarHeight: 50, }, }).Show() windowCounter++ }) if runtime.GOOS != "linux" { myMenu.Add("New WebviewWindow (ignores mouse events)"). SetAccelerator("CmdOrCtrl+F"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ HTML: "
", X: rand.Intn(1000), Y: rand.Intn(800), IgnoreMouseEvents: true, BackgroundType: application.BackgroundTypeTransparent, Mac: application.MacWindow{ InvisibleTitleBarHeight: 50, }, }).Show() windowCounter++ }) } if runtime.GOOS == "darwin" { myMenu.Add("New WebviewWindow (MacTitleBarHiddenInset)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Mac: application.MacWindow{ TitleBar: application.MacTitleBarHiddenInset, InvisibleTitleBarHeight: 25, }, }). SetBackgroundColour(application.NewRGB(33, 37, 41)). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetHTML("A MacTitleBarHiddenInset WebviewWindow example
"). Show() windowCounter++ }) myMenu.Add("New WebviewWindow (MacTitleBarHiddenInsetUnified)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Mac: application.MacWindow{ TitleBar: application.MacTitleBarHiddenInsetUnified, InvisibleTitleBarHeight: 50, }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetHTML("A MacTitleBarHiddenInsetUnified WebviewWindow example
"). Show() windowCounter++ }) myMenu.Add("New WebviewWindow (MacTitleBarHidden)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Mac: application.MacWindow{ TitleBar: application.MacTitleBarHidden, InvisibleTitleBarHeight: 25, }, }). SetTitle("WebviewWindow "+strconv.Itoa(windowCounter)). SetRelativePosition(rand.Intn(1000), rand.Intn(800)). SetHTML("A MacTitleBarHidden WebviewWindow example
"). Show() windowCounter++ }) } if runtime.GOOS == "windows" { myMenu.Add("New WebviewWindow (Mica)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Title: "WebviewWindow " + strconv.Itoa(windowCounter), X: rand.Intn(1000), Y: rand.Intn(800), BackgroundType: application.BackgroundTypeTranslucent, HTML: "", Windows: application.WindowsWindow{ BackdropType: application.Mica, }, }).Show() windowCounter++ }) myMenu.Add("New WebviewWindow (Acrylic)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Title: "WebviewWindow " + strconv.Itoa(windowCounter), X: rand.Intn(1000), Y: rand.Intn(800), BackgroundType: application.BackgroundTypeTranslucent, HTML: "", Windows: application.WindowsWindow{ BackdropType: application.Acrylic, }, }).Show() windowCounter++ }) myMenu.Add("New WebviewWindow (Tabbed)"). OnClick(func(ctx *application.Context) { app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ Title: "WebviewWindow " + strconv.Itoa(windowCounter), X: rand.Intn(1000), Y: rand.Intn(800), BackgroundType: application.BackgroundTypeTranslucent, HTML: "", Windows: application.WindowsWindow{ BackdropType: application.Tabbed, }, }).Show() windowCounter++ }) } sizeMenu := menu.AddSubmenu("Size") sizeMenu.Add("Set Size (800,600)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetSize(800, 600) }) }) sizeMenu.Add("Set Size (Random)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetSize(rand.Intn(800)+200, rand.Intn(600)+200) }) }) sizeMenu.Add("Set Min Size (200,200)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetMinSize(200, 200) }) }) sizeMenu.Add("Set Max Size (600,600)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetFullscreenButtonEnabled(false) w.SetMaxSize(600, 600) }) }) sizeMenu.Add("Get Current WebviewWindow Size").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { width, height := w.Size() application.InfoDialog().SetTitle("Current WebviewWindow Size").SetMessage("Width: " + strconv.Itoa(width) + " Height: " + strconv.Itoa(height)).Show() }) }) sizeMenu.Add("Reset Min Size").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetMinSize(0, 0) }) }) sizeMenu.Add("Reset Max Size").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetMaxSize(0, 0) w.SetFullscreenButtonEnabled(true) }) }) positionMenu := menu.AddSubmenu("Position") positionMenu.Add("Set Relative Position (0,0)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetRelativePosition(0, 0) }) }) positionMenu.Add("Set Relative Position (Random)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetRelativePosition(rand.Intn(1000), rand.Intn(800)) }) }) positionMenu.Add("Get Relative Position").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { x, y := w.RelativePosition() application.InfoDialog().SetTitle("Current WebviewWindow Position").SetMessage("X: " + strconv.Itoa(x) + " Y: " + strconv.Itoa(y)).Show() }) }) positionMenu.Add("Set Absolute Position (0,0)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetAbsolutePosition(0, 0) }) }) positionMenu.Add("Set Absolute Position (Random)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetAbsolutePosition(rand.Intn(1000), rand.Intn(800)) }) }) positionMenu.Add("Get Absolute Position").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { x, y := w.AbsolutePosition() application.InfoDialog().SetTitle("Current WebviewWindow Position").SetMessage("X: " + strconv.Itoa(x) + " Y: " + strconv.Itoa(y)).Show() }) }) positionMenu.Add("Center").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Center() }) }) stateMenu := menu.AddSubmenu("State") stateMenu.Add("Minimise (for 2 secs)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Minimise() time.Sleep(2 * time.Second) w.Restore() }) }) stateMenu.Add("Maximise").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Maximise() }) }) stateMenu.Add("Fullscreen").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Fullscreen() }) }) stateMenu.Add("UnFullscreen").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.UnFullscreen() }) }) stateMenu.Add("Restore").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Restore() }) }) stateMenu.Add("Hide (for 2 seconds)").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.Hide() time.Sleep(2 * time.Second) w.Show() }) }) stateMenu.Add("Always on Top").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetAlwaysOnTop(true) }) }) stateMenu.Add("Not always on Top").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetAlwaysOnTop(false) }) }) stateMenu.Add("Google.com").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetURL("https://google.com") }) }) stateMenu.Add("wails.io").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetURL("https://wails.io") }) }) stateMenu.Add("Get Primary Screen").OnClick(func(ctx *application.Context) { screen, err := app.GetPrimaryScreen() if err != nil { application.ErrorDialog().SetTitle("Error").SetMessage(err.Error()).Show() return } msg := fmt.Sprintf("Screen: %+v", screen) application.InfoDialog().SetTitle("Primary Screen").SetMessage(msg).Show() }) stateMenu.Add("Get Screens").OnClick(func(ctx *application.Context) { screens, err := app.GetScreens() if err != nil { application.ErrorDialog().SetTitle("Error").SetMessage(err.Error()).Show() return } for _, screen := range screens { msg := fmt.Sprintf("Screen: %+v", screen) application.InfoDialog().SetTitle(fmt.Sprintf("Screen %s", screen.ID)).SetMessage(msg).Show() } }) stateMenu.Add("Get Screen for WebviewWindow").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { screen, err := w.GetScreen() if err != nil { application.ErrorDialog().SetTitle("Error").SetMessage(err.Error()).Show() return } msg := fmt.Sprintf("Screen: %+v", screen) application.InfoDialog().SetTitle(fmt.Sprintf("Screen %s", screen.ID)).SetMessage(msg).Show() }) }) stateMenu.Add("Disable for 5s").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.SetEnabled(false) time.Sleep(5 * time.Second) w.SetEnabled(true) }) }) stateMenu.Add("Open Dev Tools").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { w.OpenDevTools() }) }) if runtime.GOOS != "darwin" { stateMenu.Add("Flash for 5s").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { time.Sleep(2 * time.Second) w.Flash(true) time.Sleep(5 * time.Second) w.Flash(false) }) }) } printMenu := menu.AddSubmenu("Print") printMenu.Add("Print").OnClick(func(ctx *application.Context) { currentWindow(func(w *application.WebviewWindow) { _ = w.Print() }) }) app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{ BackgroundColour: application.NewRGB(33, 37, 41), Mac: application.MacWindow{ DisableShadow: true, }, }) app.SetMenu(menu) err := app.Run() if err != nil { log.Fatal(err) } }