Handle workspace changes.

doc/ROADMAP.md

@@ -25,7 +25,7 @@ Support for visual effects to improve usability, but not for pure show.
   * [done] Available also for X11 windows.
   * Available as (hardcoded) application menu.
   * Menu with submenus.
-  * Window menu adapting to window state.
+  * [done] Window menu adapting to window state.
     (Eg. "Maximize" shown when not maximized, otherwise: "restore".)
   * When positioning the root menu, keep it entirely within the desktop area.
 

src/tl_menu.c

@@ -186,6 +186,17 @@ void _wlmaker_tl_menu_handle_window_state_changed(
     wlmtk_menu_item_set_enabled(
         wlmaker_action_item_menu_item(tl_menu_ptr->unmaximize_ai_ptr),
         wlmtk_window_is_maximized(window_ptr));
+
+    if (NULL != wlmtk_window_get_workspace(window_ptr)) {
+        bs_dllist_node_t *ws_dlnode_ptr = wlmtk_dlnode_from_workspace(
+            wlmtk_window_get_workspace(window_ptr));
+        wlmtk_menu_item_set_enabled(
+            wlmaker_action_item_menu_item(tl_menu_ptr->prev_ws_ai_ptr),
+            NULL != ws_dlnode_ptr->prev_ptr);
+        wlmtk_menu_item_set_enabled(
+            wlmaker_action_item_menu_item(tl_menu_ptr->next_ws_ai_ptr),
+            NULL != ws_dlnode_ptr->next_ptr);
+    }
 }
 
 /* == End of tl_menu.c ===================================================== */

src/toolkit/window.c

@@ -716,6 +716,8 @@ void wlmtk_window_set_workspace(
     wlmtk_workspace_t *workspace_ptr)
 {
     window_ptr->workspace_ptr = workspace_ptr;
+
+    wl_signal_emit(&window_ptr->events.state_changed, window_ptr);
 }
 
 /* ------------------------------------------------------------------------- */

src/toolkit/window.h

@@ -49,6 +49,9 @@ typedef struct {
      * - @ref wlmtk_window_is_fullscreen
      * - @ref wlmtk_window_is_shaded
      *
+     * The signal is also raised when the window's workspace is changed.
+     * Retrieve through @ref wlmtk_window_get_workspace.
+     *
      * data_ptr points to the window state (@ref wlmtk_window_t).
      */
     struct wl_signal          state_changed;