[V3] Fix initially-hidden menuItem [mac/win]

docs/src/content/docs/changelog.mdx

@@ -75,6 +75,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add method `Close` on `sqlite` service to close the DB manually by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
 - Add cancellation support for query methods on `sqlite` service by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
 - Add prepared statement support to `sqlite` service with JS bindings by [@fbbdev](https://github.com/fbbdev) in [#4067](https://github.com/wailsapp/wails/pull/4067)
+- Add `SetMenu()` on window to allow for setting a menu on a window by [@leaanthony](https://github.com/leaanthony)
 
 ### Fixed
 

docs/src/content/docs/learn/application-menu.mdx

@@ -16,6 +16,43 @@ Create a new application menu using the `NewMenu` method:
 menu := app.NewMenu()
 ```
 
+## Setting the Menu
+
+The way to set the menu varies on the platform:
+
+<Tabs>
+    <TabItem label="macOS" icon="fa-brands:apple">
+
+        On macOS, there is only one menu bar per application. Set the menu using the `SetMenu` method of the application:
+
+        ```go
+        app.SetMenu(menu)
+        ```
+
+    </TabItem>
+
+    <TabItem label="Windows" icon="fa-brands:windows">
+
+        On Windows, there is a menu bar per window. Set the menu using the `SetMenu` method of the window:
+
+        ```go
+        window.SetMenu(menu)
+        ```
+
+    </TabItem>
+
+    <TabItem label="Linux" icon="fa-brands:linux">
+
+        On Linux, the menu bar is typically per window. Set the menu using the `SetMenu` method of the window:
+
+        ```go
+        window.SetMenu(menu)
+        ```
+
+    </TabItem>
+</Tabs>
+
+
 ## Menu Roles
 
 Wails provides predefined menu roles that automatically create platform-appropriate menu structures:

v3/examples/menu/main.go

@@ -27,23 +27,20 @@ func main() {
 	if runtime.GOOS == "darwin" {
 		menu.AddRole(application.AppMenu)
 	}
-	fileMenu := menu.AddRole(application.FileMenu)
-	_ = fileMenu
-	//fileMenu.FindByRole(application.Open).OnClick(func(context *application.Context) {
-	//	selection, err := application.OpenFileDialog().PromptForSingleSelection()
-	//	if err != nil {
-	//		println("Error: " + err.Error())
-	//		return
-	//	}
-	//	println("You selected: " + selection)
-	//})
+	menu.AddRole(application.FileMenu)
 	menu.AddRole(application.EditMenu)
 	menu.AddRole(application.WindowMenu)
 	menu.AddRole(application.HelpMenu)
 
 	// Let's make a "Demo" menu
 	myMenu := menu.AddSubmenu("Demo")
 
+	// Hidden menu item that can be unhidden
+	hidden := myMenu.Add("I was hidden").SetHidden(true)
+	myMenu.Add("Toggle the hidden menu").OnClick(func(ctx *application.Context) {
+		hidden.SetHidden(!hidden.Hidden())
+	})
+
 	// Disabled menu item
 	myMenu.Add("Not Enabled").SetEnabled(false)
 
@@ -118,7 +115,8 @@ func main() {
 	})
 	app.SetMenu(menu)
 
-	app.NewWebviewWindow().SetBackgroundColour(application.NewRGB(33, 37, 41))
+	window := app.NewWebviewWindow().SetBackgroundColour(application.NewRGB(33, 37, 41))
+	window.SetMenu(menu)
 
 	err := app.Run()
 

v3/pkg/application/menu_darwin.go

@@ -84,9 +84,6 @@ func (m *macosMenu) update() {
 
 func (m *macosMenu) processMenu(parent unsafe.Pointer, menu *Menu) {
 	for _, item := range menu.items {
-		if item.hidden {
-			continue
-		}
 		switch item.itemType {
 		case submenu:
 			submenu := item.submenu
@@ -102,6 +99,9 @@ func (m *macosMenu) processMenu(parent unsafe.Pointer, menu *Menu) {
 		case text, checkbox, radio:
 			menuItem := newMenuItemImpl(item)
 			item.impl = menuItem
+			if item.hidden {
+				menuItem.setHidden(true)
+			}
 			C.addMenuItem(parent, menuItem.nsMenuItem)
 		case separator:
 			C.addMenuSeparator(parent)

v3/pkg/application/menu_windows.go

@@ -36,6 +36,14 @@ func (w *windowsMenu) update() {
 
 func (w *windowsMenu) processMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 	for _, item := range inputMenu.items {
+		w.currentMenuID++
+		itemID := w.currentMenuID
+		w.menuMapping[itemID] = item
+
+		menuItemImpl := newMenuItemImpl(item, parentMenu, itemID)
+		menuItemImpl.parent = inputMenu
+		item.impl = menuItemImpl
+
 		if item.Hidden() {
 			if item.accelerator != nil && item.callback != nil {
 				if w.parentWindow != nil {
@@ -44,11 +52,7 @@ func (w *windowsMenu) processMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 					globalApplication.removeKeyBinding(item.accelerator.String())
 				}
 			}
-			continue
 		}
-		w.currentMenuID++
-		itemID := w.currentMenuID
-		w.menuMapping[itemID] = item
 
 		flags := uint32(w32.MF_STRING)
 		if item.disabled {
@@ -84,6 +88,11 @@ func (w *windowsMenu) processMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 		}
 		var menuText = w32.MustStringToUTF16Ptr(thisText)
 
+		// If the item is hidden, don't append
+		if item.Hidden() {
+			continue
+		}
+
 		w32.AppendMenu(parentMenu, flags, uintptr(itemID), menuText)
 		if item.bitmap != nil {
 			w32.SetMenuIcons(parentMenu, itemID, item.bitmap, nil)

v3/pkg/application/menuitem_windows.go

@@ -24,9 +24,9 @@ type windowsMenuItem struct {
 }
 
 func (m *windowsMenuItem) setHidden(hidden bool) {
-	m.hidden = hidden
-	if m.hidden {
-		// iterate the parent items and find the menu item before us
+	if hidden && !m.hidden {
+		m.hidden = true
+		// iterate the parent items and find the menu item after us
 		for i, item := range m.parent.items {
 			if item == m.menuItem {
 				if i < len(m.parent.items)-1 {
@@ -37,13 +37,11 @@ func (m *windowsMenuItem) setHidden(hidden bool) {
 				break
 			}
 		}
-		// Get the position of this menu item in the parent menu
-		// m.pos = w32.GetMenuItemPosition(m.hMenu, uint32(m.id))
 		// Remove from parent menu
 		w32.RemoveMenu(m.hMenu, m.id, w32.MF_BYCOMMAND)
-	} else {
-		// Add to parent menu
-		// Get the position of the item before us
+	} else if !hidden && m.hidden {
+		m.hidden = false
+		// Add to parent menu before the "itemAfter"
 		var pos int
 		if m.itemAfter != nil {
 			for i, item := range m.parent.items {

v3/pkg/application/popupmenu_windows.go

@@ -61,6 +61,14 @@ func (p *Win32Menu) newMenu() w32.HMENU {
 func (p *Win32Menu) buildMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 	currentRadioGroup := RadioGroup{}
 	for _, item := range inputMenu.items {
+		p.currentMenuID++
+		itemID := p.currentMenuID
+		p.menuMapping[itemID] = item
+
+		menuItemImpl := newMenuItemImpl(item, parentMenu, itemID)
+		menuItemImpl.parent = inputMenu
+		item.impl = menuItemImpl
+
 		if item.Hidden() {
 			if item.accelerator != nil {
 				if p.parentWindow != nil {
@@ -71,14 +79,7 @@ func (p *Win32Menu) buildMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 					globalApplication.removeKeyBinding(item.accelerator.String())
 				}
 			}
-			continue
 		}
-		p.currentMenuID++
-		itemID := p.currentMenuID
-		p.menuMapping[itemID] = item
-
-		menuItemImpl := newMenuItemImpl(item, parentMenu, itemID)
-		menuItemImpl.parent = inputMenu
 
 		flags := uint32(w32.MF_STRING)
 		if item.disabled {
@@ -131,6 +132,12 @@ func (p *Win32Menu) buildMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 				}
 			}
 		}
+
+		// If the item is hidden, don't append
+		if item.Hidden() {
+			continue
+		}
+
 		ok := w32.AppendMenu(parentMenu, flags, uintptr(itemID), w32.MustStringToUTF16Ptr(menuText))
 		if !ok {
 			globalApplication.fatal("error adding menu item '%s'", menuText)
@@ -141,8 +148,6 @@ func (p *Win32Menu) buildMenu(parentMenu w32.HMENU, inputMenu *Menu) {
 				globalApplication.fatal("error setting menu icons: %w", err)
 			}
 		}
-
-		item.impl = menuItemImpl
 	}
 	if len(currentRadioGroup) > 0 {
 		for _, radioMember := range currentRadioGroup {

v3/pkg/application/webview_window.go

@@ -108,6 +108,7 @@ type (
 		showMenuBar()
 		hideMenuBar()
 		toggleMenuBar()
+		setMenu(menu *Menu)
 	}
 )
 
@@ -168,6 +169,22 @@ type WebviewWindow struct {
 	unconditionallyClose bool
 }
 
+func (w *WebviewWindow) SetMenu(menu *Menu) {
+	switch runtime.GOOS {
+	case "darwin":
+		return
+	case "windows":
+		w.options.Windows.Menu = menu
+	case "linux":
+		w.options.Linux.Menu = menu
+	}
+	if w.impl != nil {
+		InvokeSync(func() {
+			w.impl.setMenu(menu)
+		})
+	}
+}
+
 // EmitEvent emits an event from the window
 func (w *WebviewWindow) EmitEvent(name string, data ...any) {
 	globalApplication.emitEvent(&CustomEvent{

v3/pkg/application/webview_window_darwin.go

@@ -1427,6 +1427,7 @@ func (w *macosWebviewWindow) delete() {
 func (w *macosWebviewWindow) redo() {
 }
 
-func (w *macosWebviewWindow) showMenuBar()   {}
-func (w *macosWebviewWindow) hideMenuBar()   {}
-func (w *macosWebviewWindow) toggleMenuBar() {}
+func (w *macosWebviewWindow) showMenuBar()    {}
+func (w *macosWebviewWindow) hideMenuBar()    {}
+func (w *macosWebviewWindow) toggleMenuBar()  {}
+func (w *macosWebviewWindow) setMenu(_ *Menu) {}

v3/pkg/application/webview_window_linux.go

@@ -235,6 +235,15 @@ func (w *linuxWebviewWindow) setPhysicalBounds(physicalBounds Rect) {
 	w.setBounds(physicalBounds)
 }
 
+func (w *linuxWebviewWindow) setMenu(menu *Menu) {
+	if menu == nil {
+		w.gtkmenu = nil
+		return
+	}
+	w.parent.options.Linux.Menu = menu
+	w.gtkmenu = (menu.impl).(*linuxMenu).native
+}
+
 func (w *linuxWebviewWindow) run() {
 	for eventId := range w.parent.eventListeners {
 		w.on(eventId)

v3/pkg/application/webview_window_windows.go

@@ -73,6 +73,13 @@ type windowsWebviewWindow struct {
 	isMinimizing bool
 }
 
+func (w *windowsWebviewWindow) setMenu(menu *Menu) {
+	menu.Update()
+	w.menu = NewApplicationMenu(w, menu)
+	w.menu.parentWindow = w
+	w32.SetMenu(w.hwnd, w.menu.menu)
+}
+
 func (w *windowsWebviewWindow) cut() {
 	w.execJS("document.execCommand('cut')")
 }

v3/pkg/application/window.go

@@ -84,4 +84,5 @@ type Window interface {
 	ZoomIn()
 	ZoomOut()
 	ZoomReset() Window
+	SetMenu(menu *Menu)
 }