window: Export a bunch of state flags as accessor methods

This is necessary to reimplement window menus in gnome-shell.

https://bugzilla.gnome.org/show_bug.cgi?id=726352

src/core/window-private.h

@@ -607,9 +607,6 @@ void meta_window_show_menu (MetaWindow *window,
                             int         button,
                             guint32     timestamp);
 
-gboolean meta_window_titlebar_is_onscreen    (MetaWindow *window);
-void     meta_window_shove_titlebar_onscreen (MetaWindow *window);
-
 void meta_window_set_gravity (MetaWindow *window,
                               int         gravity);
 

src/core/window.c

@@ -11403,12 +11403,6 @@ meta_window_compute_tile_match (MetaWindow *window)
     }
 }
 
-gboolean
-meta_window_can_close (MetaWindow *window)
-{
-  return window->has_close_func;
-}
-
 Window
 meta_window_get_toplevel_xwindow (MetaWindow *window)
 {
@@ -11424,3 +11418,51 @@ meta_window_set_opacity (MetaWindow *window,
   if (window->display->compositor)
     meta_compositor_window_opacity_changed (window->display->compositor, window);
 }
+
+gboolean
+meta_window_can_maximize (MetaWindow *window)
+{
+  return window->has_maximize_func;
+}
+
+gboolean
+meta_window_can_minimize (MetaWindow *window)
+{
+  return window->has_minimize_func;
+}
+
+gboolean
+meta_window_can_shade (MetaWindow *window)
+{
+  return window->has_shade_func;
+}
+
+gboolean
+meta_window_can_close (MetaWindow *window)
+{
+  return window->has_close_func;
+}
+
+gboolean
+meta_window_is_always_on_all_workspaces (MetaWindow *window)
+{
+  return window->always_sticky;
+}
+
+gboolean
+meta_window_is_above (MetaWindow *window)
+{
+  return window->wm_state_above;
+}
+
+gboolean
+meta_window_allows_move (MetaWindow *window)
+{
+  return META_WINDOW_ALLOWS_MOVE (window);
+}
+
+gboolean
+meta_window_allows_resize (MetaWindow *window)
+{
+  return META_WINDOW_ALLOWS_RESIZE (window);
+}

src/meta/window.h

@@ -244,6 +244,16 @@ void meta_window_begin_grab_op (MetaWindow *window,
                                 gboolean    frame_action,
                                 guint32     timestamp);
 
+gboolean meta_window_can_maximize (MetaWindow *window);
+gboolean meta_window_can_minimize (MetaWindow *window);
+gboolean meta_window_can_shade (MetaWindow *window);
 gboolean meta_window_can_close (MetaWindow *window);
+gboolean meta_window_is_always_on_all_workspaces (MetaWindow *window);
+gboolean meta_window_is_above (MetaWindow *window);
+gboolean meta_window_allows_move (MetaWindow *window);
+gboolean meta_window_allows_resize (MetaWindow *window);
+
+gboolean meta_window_titlebar_is_onscreen    (MetaWindow *window);
+void     meta_window_shove_titlebar_onscreen (MetaWindow *window);
 
 #endif