feat(positioner): Allow constrained-movement from js context

plugins/positioner/guest-js/index.ts

@@ -39,6 +39,19 @@ export async function moveWindow(to: Position): Promise<void> {
   })
 }
 
+/**
+ * Moves the `Window` to the given {@link Position} using `WindowExt.move_window_constrained()`
+ *
+ * This move operation constrains the window to the screen dimensions in case of
+ * tray-icon positions.
+ * @param to The (tray) {@link Position} to move to.
+ */
+export async function moveWindowConstrained(to: Position): Promise<void> {
+  await invoke('plugin:positioner|move_window_constrained', {
+    position: to
+  })
+}
+
 export async function handleIconState(event: TrayIconEvent): Promise<void> {
   await invoke('plugin:positioner|set_tray_icon_state', {
     position: event.rect.position,

plugins/positioner/src/lib.rs

@@ -61,6 +61,13 @@ async fn move_window<R: Runtime>(window: tauri::Window<R>, position: Position) -
     window.move_window(position)
 }
 
+#[cfg(feature = "tray-icon")]
+#[tauri::command]
+async fn move_window_constrained<R: Runtime>(window: tauri::Window<R>, position: Position) -> Result<()> {
+    window.move_window_constrained(position)
+}
+
+
 #[cfg(feature = "tray-icon")]
 #[tauri::command]
 fn set_tray_icon_state<R: Runtime>(
@@ -80,6 +87,8 @@ pub fn init<R: Runtime>() -> TauriPlugin<R> {
     let plugin = plugin::Builder::new("positioner").invoke_handler(tauri::generate_handler![
         move_window,
         #[cfg(feature = "tray-icon")]
+        move_window_constrained,
+        #[cfg(feature = "tray-icon")]
         set_tray_icon_state
     ]);