Window Flash for Linux

Set Min/Max window buttons

v3/examples/window/main.go

@@ -445,11 +445,13 @@ func main() {
 		})
 	})
 
-	if runtime.GOOS == "windows" {
-		stateMenu.Add("Flash Start").OnClick(func(ctx *application.Context) {
+	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)
 			})
 		})
 	}

v3/pkg/application/linux_cgo.go

@@ -1039,6 +1039,11 @@ func (w *linuxWebviewWindow) startDrag() error {
 	return nil
 }
 
+func (w *linuxWebviewWindow) flash(enabled bool) {
+	// Flash the window to get the user's attention
+	C.gtk_window_set_urgency_hint(w.gtkWindow(), gtkBool(enabled))
+}
+
 func enableDevTools(webview pointer) {
 	settings := C.webkit_web_view_get_settings((*C.WebKitWebView)(webview))
 	enabled := C.webkit_settings_get_enable_developer_extras(settings)

v3/pkg/application/webview_window.go

@@ -64,6 +64,8 @@ type (
 		isVisible() bool
 		isFocused() bool
 		setFullscreenButtonEnabled(enabled bool)
+		setMinimiseButtonEnabled(enabled bool)
+		setMaximiseButtonEnabled(enabled bool)
 		focus()
 		show()
 		hide()
@@ -532,6 +534,26 @@ func (w *WebviewWindow) SetFullscreenButtonEnabled(enabled bool) Window {
 	return w
 }
 
+func (w *WebviewWindow) SetMinimiseButtonEnabled(enabled bool) Window {
+	w.options.FullscreenButtonEnabled = enabled
+	if w.impl != nil {
+		InvokeSync(func() {
+			w.impl.setMinimiseButtonEnabled(enabled)
+		})
+	}
+	return w
+}
+
+func (w *WebviewWindow) SetMaximiseButtonEnabled(enabled bool) Window {
+	w.options.FullscreenButtonEnabled = enabled
+	if w.impl != nil {
+		InvokeSync(func() {
+			w.impl.setMaximiseButtonEnabled(enabled)
+		})
+	}
+	return w
+}
+
 // Flash flashes the window's taskbar button/icon.
 // Useful to indicate that attention is required. Windows only.
 func (w *WebviewWindow) Flash(enabled bool) {

v3/pkg/application/webview_window_darwin.go

@@ -1132,13 +1132,13 @@ func (w *macosWebviewWindow) run() {
 		}
 
 		if macOptions.DisableMinimiseButton {
-			C.enableMinimiseButton(w.nsWindow, C.bool(false))
+			w.setMinimiseButtonEnabled(w.nsWindow, false)
 		}
 		if macOptions.DisableMaximiseButton {
-			C.enableMaximiseButton(w.nsWindow, C.bool(false))
+			w.setMaximiseButtonEnabled(w.nsWindow, false)
 		}
 		if macOptions.DisableCloseButton {
-			C.enableCloseButton(w.nsWindow, C.bool(false))
+			w.enableCloseButton(w.nsWindow, false)
 		}
 
 		if options.IgnoreMouseEvents {
@@ -1269,3 +1269,15 @@ func (w *macosWebviewWindow) startDrag() error {
 	C.startDrag(w.nsWindow)
 	return nil
 }
+
+func (w *macosWebviewWindow) setMinimiseButtonEnabled(enabled bool) {
+	C.enableMinimiseButton(w.nsWindow, C.bool(enabled))
+}
+
+func (w *macosWebviewWindow) setMaximiseButtonEnabled(enabled bool) {
+	C.enableMaximiseButton(w.nsWindow, C.bool(enabled))
+}
+
+func (w *macosWebviewWindow) setCloseButtonEnabled(enabled bool) {
+	C.enableCloseButton(w.nsWindow, C.bool(enabled))
+}

v3/pkg/application/webview_window_linux.go

@@ -36,6 +36,14 @@ type linuxWebviewWindow struct {
 	gtkmenu      pointer
 }
 
+func (w *linuxWebviewWindow) setMinimiseButtonEnabled(enabled bool) {
+	// Not available in Linux
+}
+
+func (w *linuxWebviewWindow) setMaximiseButtonEnabled(enabled bool) {
+	// Not available in Linux
+}
+
 var (
 	registered bool = false // avoid 'already registered message' about 'wails://'
 )
@@ -105,10 +113,6 @@ func (w *linuxWebviewWindow) unminimise() {
 	w.present()
 }
 
-func (w *linuxWebviewWindow) flash(enabled bool) {
-	// Not supported on linux
-}
-
 func (w *linuxWebviewWindow) on(eventID uint) {
 	// TODO: Test register/unregister listener for linux events
 	//C.registerListener(C.uint(eventID))

v3/pkg/application/webview_window_windows.go

@@ -238,8 +238,12 @@ func (w *windowsWebviewWindow) run() {
 	w.setSize(options.Width, options.Height)
 
 	// Min/max buttons
-	w.setStyle(!options.Windows.DisableMinimiseButton, w32.WS_MINIMIZEBOX)
-	w.setStyle(!options.Windows.DisableMaximiseButton, w32.WS_MAXIMIZEBOX)
+	if !options.Windows.DisableMinimiseButton {
+		w.setMinimiseButtonEnabled(false)
+	}
+	if !options.Windows.DisableMaximiseButton {
+		w.setMaximiseButtonEnabled(false)
+	}
 
 	// Register the window with the application
 	getNativeApplication().registerWindow(w)
@@ -1626,6 +1630,14 @@ func (w *windowsWebviewWindow) processMessageWithAdditionalObjects(message strin
 	}
 }
 
+func (w *windowsWebviewWindow) setMaximiseButtonEnabled(enabled bool) {
+	w.setStyle(enabled, w32.WS_MINIMIZEBOX)
+}
+
+func (w *windowsWebviewWindow) setMinimiseButtonEnabled(enabled bool) {
+	w.setStyle(enabled, w32.WS_MAXIMIZEBOX)
+}
+
 func ScaleWithDPI(pixels int, dpi uint) int {
 	return (pixels * int(dpi)) / 96
 }