make it compilable again

v3/pkg/application/menuitem_linux.go

@@ -395,3 +395,13 @@ func newZoomMenuItem() *MenuItem {
 			}
 		})
 }
+
+func newFullScreenMenuItem() *MenuItem {
+	return newMenuItem("Fullscreen").
+		OnClick(func(ctx *Context) {
+			currentWindow := globalApplication.CurrentWindow()
+			if currentWindow != nil {
+				currentWindow.Fullscreen()
+			}
+		})
+}

v3/pkg/application/menuitem_linux_purego.go

@@ -391,3 +391,13 @@ func newZoomMenuItem() *MenuItem {
 			}
 		})
 }
+
+func newFullScreenMenuItem() *MenuItem {
+	return newMenuItem("Fullscreen").
+		OnClick(func(ctx *Context) {
+			currentWindow := globalApplication.CurrentWindow()
+			if currentWindow != nil {
+				currentWindow.Fullscreen()
+			}
+		})
+}

v3/pkg/application/systemtray_linux.go

@@ -51,6 +51,14 @@ func (s *linuxSystemTray) setIcon(icon []byte) {
 	})
 }
 
+func (s *linuxSystemTray) setDarkModeIcon(icon []byte) {
+	s.icon = icon
+	globalApplication.dispatchOnMainThread(func() {
+		//		s.nsImage = unsafe.Pointer(C.imageFromBytes((*C.uchar)(&icon[0]), C.int(len(icon))))
+		//		C.systemTraySetIcon(s.nsStatusItem, s.nsImage, C.int(s.iconPosition), C.bool(s.isTemplateIcon))
+	})
+}
+
 func (s *linuxSystemTray) setTemplateIcon(icon []byte) {
 	s.icon = icon
 	s.isTemplateIcon = true

v3/pkg/application/webview_window_linux.go

@@ -527,7 +527,7 @@ func newWindowImpl(parent *WebviewWindow) *linuxWebviewWindow {
 	//	(*C.struct__GtkWidget)(m.native)
 	//var menubar *C.struct__GtkWidget
 	return &linuxWebviewWindow{
-		application: getNativeApplication(),
+		application: getNativeApplication().application,
 		parent:      parent,
 		//		menubar:     menubar,
 	}

v3/pkg/application/webview_window_linux_purego.go

@@ -442,7 +442,7 @@ func (w *linuxWebviewWindow) setAlwaysOnTop(alwaysOnTop bool) {
 
 func newWindowImpl(parent *WebviewWindow) *linuxWebviewWindow {
 	return &linuxWebviewWindow{
-		application: getNativeApplication(),
+		application: getNativeApplication().application,
 		parent:      parent,
 	}
 }