]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkwindow.c
container: needs_resize is a container flag, not a widget flag
[~andy/gtk] / gtk / gtkwindow.c
index f61e4a2ea12e1304b5ada9e006cdfff4fc8bea47..3b34ec8100f288be523f078a050b7d1250a47091 100644 (file)
@@ -12,9 +12,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
@@ -105,6 +103,7 @@ struct _GtkWindowPrivate
 {
   GtkMnemonicHash       *mnemonic_hash;
 
+  GtkWidget             *attach_widget;
   GtkWidget             *default_widget;
   GtkWidget             *focus_widget;
   GtkWindow             *transient_parent;
@@ -223,6 +222,7 @@ enum {
   PROP_DELETABLE,
   PROP_GRAVITY,
   PROP_TRANSIENT_FOR,
+  PROP_ATTACHED_TO,
   PROP_OPACITY,
   PROP_HAS_RESIZE_GRIP,
   PROP_RESIZE_GRIP_VISIBLE,
@@ -478,7 +478,7 @@ static void gtk_window_get_preferred_height   (GtkWidget           *widget,
                                               gint                *minimum_size,
                                               gint                *natural_size);
 
-static void ensure_state_flag_window_unfocused (GtkWidget *widget);
+static void ensure_state_flag_backdrop (GtkWidget *widget);
 
 G_DEFINE_TYPE_WITH_CODE (GtkWindow, gtk_window, GTK_TYPE_BIN,
                          G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
@@ -898,7 +898,7 @@ gtk_window_class_init (GtkWindowClass *klass)
                                                         GTK_PARAM_READWRITE));
 
   /**
-   * GtkWindow:has-resize-grip
+   * GtkWindow:has-resize-grip:
    *
    * Whether the window has a corner resize grip.
    *
@@ -967,6 +967,27 @@ gtk_window_class_init (GtkWindowClass *klass)
                                                        GTK_TYPE_WINDOW,
                                                        GTK_PARAM_READWRITE| G_PARAM_CONSTRUCT));
 
+  /**
+   * GtkWindow:attached-to:
+   *
+   * The widget to which this window is attached.
+   * See gtk_window_set_attached_to().
+   *
+   * Examples of places where specifying this relation is useful are
+   * for instance a #GtkMenu created by a #GtkComboBox, a completion
+   * popup window created by #GtkEntry or a typeahead search entry
+   * created by #GtkTreeView.
+   *
+   * Since: 3.4
+   */
+  g_object_class_install_property (gobject_class,
+                                   PROP_ATTACHED_TO,
+                                   g_param_spec_object ("attached-to",
+                                                        P_("Attached to Widget"),
+                                                        P_("The widget where the window is attached"),
+                                                        GTK_TYPE_WIDGET,
+                                                        GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
   /**
    * GtkWindow:opacity:
    *
@@ -1277,6 +1298,9 @@ gtk_window_set_property (GObject      *object,
     case PROP_TRANSIENT_FOR:
       gtk_window_set_transient_for (window, g_value_get_object (value));
       break;
+    case PROP_ATTACHED_TO:
+      gtk_window_set_attached_to (window, g_value_get_object (value));
+      break;
     case PROP_OPACITY:
       gtk_window_set_opacity (window, g_value_get_double (value));
       break;
@@ -1398,6 +1422,9 @@ gtk_window_get_property (GObject      *object,
     case PROP_TRANSIENT_FOR:
       g_value_set_object (value, gtk_window_get_transient_for (window));
       break;
+    case PROP_ATTACHED_TO:
+      g_value_set_object (value, gtk_window_get_attached_to (window));
+      break;
     case PROP_OPACITY:
       g_value_set_double (value, gtk_window_get_opacity (window));
       break;
@@ -2375,6 +2402,20 @@ gtk_window_list_toplevels (void)
   return list;
 }
 
+static void
+remove_attach_widget (GtkWindow *window)
+{
+  GtkWindowPrivate *priv = window->priv;
+
+  if (priv->attach_widget)
+    {
+      _gtk_widget_remove_attached_window (priv->attach_widget, window);
+
+      g_object_unref (priv->attach_widget);
+      priv->attach_widget = NULL;
+    }
+}
+
 static void
 gtk_window_dispose (GObject *object)
 {
@@ -2383,6 +2424,8 @@ gtk_window_dispose (GObject *object)
   gtk_window_set_focus (window, NULL);
   gtk_window_set_default (window, NULL);
 
+  remove_attach_widget (GTK_WINDOW (object));
+
   G_OBJECT_CLASS (gtk_window_parent_class)->dispose (object);
 }
 
@@ -2573,6 +2616,82 @@ gtk_window_get_transient_for (GtkWindow *window)
   return window->priv->transient_parent;
 }
 
+/**
+ * gtk_window_set_attached_to:
+ * @window: a #GtkWindow
+ * @attach_widget: (allow-none): a #GtkWidget, or %NULL
+ *
+ * Marks @window as attached to @attach_widget. This creates a logical binding
+ * between the window and the widget it belongs to, which is used by GTK+ to
+ * propagate information such as styling or accessibility to @window as if it
+ * was a children of @attach_widget.
+ *
+ * Examples of places where specifying this relation is useful are for instance
+ * a #GtkMenu created by a #GtkComboBox, a completion popup window
+ * created by #GtkEntry or a typeahead search entry created by #GtkTreeView.
+ *
+ * Note that this function should not be confused with
+ * gtk_window_set_transient_for(), which specifies a window manager relation
+ * between two toplevels instead.
+ *
+ * Passing %NULL for @attach_widget detaches the window.
+ *
+ * Since: 3.4
+ **/
+void
+gtk_window_set_attached_to (GtkWindow *window,
+                            GtkWidget *attach_widget)
+{
+  GtkStyleContext *context;
+  GtkWindowPrivate *priv;
+
+  g_return_if_fail (GTK_IS_WINDOW (window));
+  g_return_if_fail (GTK_WIDGET (window) != attach_widget);
+
+  priv = window->priv;
+
+  if (priv->attach_widget == attach_widget)
+    return;
+
+  remove_attach_widget (window);
+
+  priv->attach_widget = attach_widget;
+
+  if (priv->attach_widget)
+    {
+      _gtk_widget_add_attached_window (priv->attach_widget, window);
+
+      g_object_ref (priv->attach_widget);
+    }
+
+  /* Update the style, as the widget path might change. */
+  context = gtk_widget_get_style_context (GTK_WIDGET (window));
+  if (priv->attach_widget)
+    gtk_style_context_set_parent (context, gtk_widget_get_style_context (priv->attach_widget));
+  else
+    gtk_style_context_set_parent (context, NULL);
+}
+
+/**
+ * gtk_window_get_attached_to:
+ * @window: a #GtkWindow
+ *
+ * Fetches the attach widget for this window. See
+ * gtk_window_set_attached_to().
+ *
+ * Return value: (transfer none): the widget where the window is attached,
+ *   or %NULL if the window is not attached to any widget.
+ *
+ * Since: 3.4
+ **/
+GtkWidget *
+gtk_window_get_attached_to (GtkWindow *window)
+{
+  g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
+
+  return window->priv->attach_widget;
+}
+
 /**
  * gtk_window_set_opacity:
  * @window: a #GtkWindow
@@ -3482,8 +3601,7 @@ gtk_window_realize_icon (GtkWindow *window)
     {
       GtkIconTheme *icon_theme;
 
-      g_list_foreach (icon_list, (GFunc) g_object_unref, NULL);
-      g_list_free (icon_list);
+      g_list_free_full (icon_list, g_object_unref);
  
       icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (window)));
       g_signal_connect (icon_theme, "changed",
@@ -3564,10 +3682,7 @@ gtk_window_set_icon_list (GtkWindow  *window,
   g_list_foreach (list,
                   (GFunc) g_object_ref, NULL);
 
-  g_list_foreach (info->icon_list,
-                  (GFunc) g_object_unref, NULL);
-
-  g_list_free (info->icon_list);
+  g_list_free_full (info->icon_list, g_object_unref);
 
   info->icon_list = g_list_copy (list);
 
@@ -3695,8 +3810,7 @@ gtk_window_set_icon_name (GtkWindow   *window,
   info->icon_name = g_strdup (name);
   g_free (tmp);
 
-  g_list_foreach (info->icon_list, (GFunc) g_object_unref, NULL);
-  g_list_free (info->icon_list);
+  g_list_free_full (info->icon_list, g_object_unref);
   info->icon_list = NULL;
   
   update_themed_icon (NULL, window);
@@ -3839,10 +3953,7 @@ gtk_window_set_default_icon_list (GList *list)
   g_list_foreach (list,
                   (GFunc) g_object_ref, NULL);
 
-  g_list_foreach (default_icon_list,
-                  (GFunc) g_object_unref, NULL);
-
-  g_list_free (default_icon_list);
+  g_list_free_full (default_icon_list, g_object_unref);
 
   default_icon_list = g_list_copy (list);
   
@@ -3911,10 +4022,7 @@ gtk_window_set_default_icon_name (const gchar *name)
   g_free (default_icon_name);
   default_icon_name = g_strdup (name);
 
-  g_list_foreach (default_icon_list,
-                  (GFunc) g_object_unref, NULL);
-
-  g_list_free (default_icon_list);
+  g_list_free_full (default_icon_list, g_object_unref);
   default_icon_list = NULL;
   
   /* Update all toplevels */
@@ -4415,7 +4523,7 @@ gtk_window_move (GtkWindow *window,
 /**
  * gtk_window_get_position:
  * @window: a #GtkWindow
- * @root_x: (out) (allow-none): eturn location for X coordinate of
+ * @root_x: (out) (allow-none): return location for X coordinate of
  *     gravity-determined reference point, or %NULL
  * @root_y: (out) (allow-none): return location for Y coordinate of
  *     gravity-determined reference point, or %NULL
@@ -4614,6 +4722,8 @@ gtk_window_destroy (GtkWidget *widget)
   if (priv->transient_parent)
     gtk_window_set_transient_for (window, NULL);
 
+  remove_attach_widget (GTK_WINDOW (widget));
+
   /* frees the icons */
   gtk_window_set_icon_list (window, NULL);
 
@@ -4695,8 +4805,7 @@ gtk_window_show (GtkWidget *widget)
 
   _gtk_widget_set_visible_flag (widget, TRUE);
 
-  need_resize = _gtk_container_get_need_resize (container) || !gtk_widget_get_realized (widget);
-  _gtk_container_set_need_resize (container, FALSE);
+  need_resize = _gtk_widget_get_alloc_needed (widget) || !gtk_widget_get_realized (widget);
 
   if (need_resize)
     {
@@ -4904,7 +5013,7 @@ gtk_window_map (GtkWidget *widget)
   else
     gtk_window_set_focus_visible (window, visible_focus == GTK_POLICY_ALWAYS);
 
-  ensure_state_flag_window_unfocused (widget);
+  ensure_state_flag_backdrop (widget);
 }
 
 static gboolean
@@ -5226,8 +5335,6 @@ gtk_window_realize (GtkWidget *widget)
     }
 #endif
 
-  gtk_window_set_application (window, gtk_window_get_application (window));
-
   /* Icons */
   gtk_window_realize_icon (window);
   
@@ -5428,34 +5535,55 @@ set_grip_position (GtkWindow *window)
                           rect.width, rect.height);
 }
 
-static void
-gtk_window_size_allocate (GtkWidget     *widget,
-                         GtkAllocation *allocation)
+/* _gtk_window_set_allocation:
+ * @window: a #GtkWindow
+ * @allocation: the new allocation
+ *
+ * This function is like gtk_widget_set_allocation()
+ * but does the necessary extra work to update
+ * the resize grip positioning, etc.
+ *
+ * Call this instead of gtk_widget_set_allocation()
+ * when overriding ::size_allocate in a GtkWindow
+ * subclass without chaining up.
+ */
+void
+_gtk_window_set_allocation (GtkWindow     *window,
+                            GtkAllocation *allocation)
 {
-  GtkWindow *window = GTK_WINDOW (widget);
-  GtkAllocation child_allocation;
-  GtkWidget *child;
-  guint border_width;
+  GtkWidget *widget = (GtkWidget *)window;
 
   gtk_widget_set_allocation (widget, allocation);
 
   if (gtk_widget_get_realized (widget))
     {
-      /* If it's not a toplevel we're embedded, we need to resize the window's 
-       * window and skip the grip.
+      /* If it's not a toplevel we're embedded, we need to resize
+       * the window's window and skip the grip.
        */
       if (!gtk_widget_is_toplevel (widget))
-       {
-         gdk_window_move_resize (gtk_widget_get_window (widget),
-                                 allocation->x, allocation->y,
-                                 allocation->width, allocation->height);
-       }
+        {
+          gdk_window_move_resize (gtk_widget_get_window (widget),
+                                  allocation->x, allocation->y,
+                                  allocation->width, allocation->height);
+        }
       else
-       {
-         update_grip_visibility (window);
-         set_grip_position (window);
-       }
+        {
+          update_grip_visibility (window);
+          set_grip_position (window);
+        }
     }
+}
+
+static void
+gtk_window_size_allocate (GtkWidget     *widget,
+                          GtkAllocation *allocation)
+{
+  GtkWindow *window = GTK_WINDOW (widget);
+  GtkAllocation child_allocation;
+  GtkWidget *child;
+  guint border_width;
+
+  _gtk_window_set_allocation (window, allocation);
 
   child = gtk_bin_get_child (&(window->bin));
   if (child && gtk_widget_get_visible (child))
@@ -5463,10 +5591,8 @@ gtk_window_size_allocate (GtkWidget     *widget,
       border_width = gtk_container_get_border_width (GTK_CONTAINER (window));
       child_allocation.x = border_width;
       child_allocation.y = border_width;
-      child_allocation.width =
-       MAX (1, (gint)allocation->width - child_allocation.x * 2);
-      child_allocation.height =
-       MAX (1, (gint)allocation->height - child_allocation.y * 2);
+      child_allocation.width = MAX (1, allocation->width - border_width * 2);
+      child_allocation.height = MAX (1, allocation->height - border_width * 2);
 
       gtk_widget_size_allocate (child, &child_allocation);
     }
@@ -5554,7 +5680,7 @@ gtk_window_state_event (GtkWidget           *widget,
   update_grip_visibility (GTK_WINDOW (widget));
 
   if (event->changed_mask & GDK_WINDOW_STATE_FOCUSED)
-    ensure_state_flag_window_unfocused (widget);
+    ensure_state_flag_backdrop (widget);
 
   return FALSE;
 }
@@ -5802,7 +5928,7 @@ gtk_window_get_has_resize_grip (GtkWindow *window)
  * Since: 3.0
  */
 gboolean
-gtk_window_get_resize_grip_area (GtkWindow *window,
+gtk_window_get_resize_grip_area (GtkWindow    *window,
                                  GdkRectangle *rect)
 {
   GtkWidget *widget = GTK_WIDGET (window);
@@ -7526,26 +7652,18 @@ gtk_window_draw (GtkWidget *widget,
 
   context = gtk_widget_get_style_context (widget);
 
-  gtk_style_context_save (context);
-
   if (!gtk_widget_get_app_paintable (widget) &&
       gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
     {
-      GtkStateFlags state;
-
-      state = gtk_widget_get_state_flags (widget);
-
-      if (gtk_window_has_toplevel_focus (GTK_WINDOW (widget)))
-        state |= GTK_STATE_FLAG_FOCUSED;
+      gtk_style_context_save (context);
 
-      gtk_style_context_set_state (context, state);
       gtk_style_context_add_class (context, GTK_STYLE_CLASS_BACKGROUND);
       gtk_render_background (context, cr, 0, 0,
                             gtk_widget_get_allocated_width (widget),
                             gtk_widget_get_allocated_height (widget));
-    }
 
-  gtk_style_context_restore (context);
+      gtk_style_context_restore (context);
+    }
 
   if (GTK_WIDGET_CLASS (gtk_window_parent_class)->draw)
     ret = GTK_WIDGET_CLASS (gtk_window_parent_class)->draw (widget, cr);
@@ -9716,7 +9834,7 @@ gtk_window_set_has_user_ref_count (GtkWindow *window,
 }
 
 static void
-ensure_state_flag_window_unfocused (GtkWidget *widget)
+ensure_state_flag_backdrop (GtkWidget *widget)
 {
   GdkWindow *window;
   gboolean window_focused = TRUE;
@@ -9726,9 +9844,9 @@ ensure_state_flag_window_unfocused (GtkWidget *widget)
   window_focused = gdk_window_get_state (window) & GDK_WINDOW_STATE_FOCUSED;
 
   if (!window_focused)
-    gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_WINDOW_UNFOCUSED, FALSE);
+    gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_BACKDROP, FALSE);
   else
-    gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_WINDOW_UNFOCUSED);
+    gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_BACKDROP);
 
   gtk_widget_queue_draw (widget);
 }