* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library 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.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "gtkmain.h"
-#include "gtkmenubar.h"
-#include "gtkmenuitem.h"
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
-#define BORDER_SPACING 2
-#define CHILD_SPACING 3
+/**
+ * SECTION:gtkmenubar
+ * @Title: GtkMenuBar
+ * @Short_description: A subclass of GtkMenuShell which holds GtkMenuItem widgets
+ * @See_also: #GtkMenuShell, #GtkMenu, #GtkMenuItem
+ *
+ * The #GtkMenuBar is a subclass of #GtkMenuShell which contains one or
+ * more #GtkMenuItems. The result is a standard menu bar which can hold
+ * many menu items.
+ */
+#include "config.h"
-static void gtk_menu_bar_class_init (GtkMenuBarClass *klass);
-static void gtk_menu_bar_init (GtkMenuBar *menu_bar);
-static void gtk_menu_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_menu_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_menu_bar_paint (GtkWidget *widget);
-static void gtk_menu_bar_draw (GtkWidget *widget,
- GdkRectangle *area);
-static gint gtk_menu_bar_expose (GtkWidget *widget,
- GdkEventExpose *event);
+#include "gtkmenubar.h"
+
+#include "gtkbindings.h"
+#include "gtkmain.h"
+#include "gtkmarshalers.h"
+#include "gtkmenuitemprivate.h"
+#include "gtkmenuprivate.h"
+#include "gtkmenushellprivate.h"
+#include "gtksettings.h"
+#include "gtksizerequest.h"
+#include "gtkwindow.h"
+#include "gtkcontainerprivate.h"
+#include "gtkintl.h"
+#include "gtkprivate.h"
+#include "gtktypebuiltins.h"
+/* Properties */
+enum {
+ PROP_0,
+ PROP_PACK_DIRECTION,
+ PROP_CHILD_PACK_DIRECTION
+};
-GtkType
-gtk_menu_bar_get_type (void)
+struct _GtkMenuBarPrivate
{
- static GtkType menu_bar_type = 0;
+ GtkPackDirection pack_direction;
+ GtkPackDirection child_pack_direction;
+};
- if (!menu_bar_type)
- {
- GtkTypeInfo menu_bar_info =
- {
- "GtkMenuBar",
- sizeof (GtkMenuBar),
- sizeof (GtkMenuBarClass),
- (GtkClassInitFunc) gtk_menu_bar_class_init,
- (GtkObjectInitFunc) gtk_menu_bar_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
- };
-
- menu_bar_type = gtk_type_unique (gtk_menu_shell_get_type (), &menu_bar_info);
- }
- return menu_bar_type;
-}
+static void gtk_menu_bar_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_bar_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_bar_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural);
+static void gtk_menu_bar_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural);
+static void gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum,
+ gint *natural);
+static void gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum,
+ gint *natural);
+static void gtk_menu_bar_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gint gtk_menu_bar_draw (GtkWidget *widget,
+ cairo_t *cr);
+static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
+ GtkWidget *old_toplevel);
+static gint gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell);
+static void gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction);
+
+static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
+
+G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
static void
gtk_menu_bar_class_init (GtkMenuBarClass *class)
{
+ GObjectClass *gobject_class;
GtkWidgetClass *widget_class;
GtkMenuShellClass *menu_shell_class;
+ GtkBindingSet *binding_set;
+
+ gobject_class = (GObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
menu_shell_class = (GtkMenuShellClass*) class;
- widget_class->draw = gtk_menu_bar_draw;
- widget_class->size_request = gtk_menu_bar_size_request;
+ gobject_class->get_property = gtk_menu_bar_get_property;
+ gobject_class->set_property = gtk_menu_bar_set_property;
+
+ widget_class->get_preferred_width = gtk_menu_bar_get_preferred_width;
+ widget_class->get_preferred_height = gtk_menu_bar_get_preferred_height;
+ widget_class->get_preferred_width_for_height = gtk_menu_bar_get_preferred_width_for_height;
+ widget_class->get_preferred_height_for_width = gtk_menu_bar_get_preferred_height_for_width;
widget_class->size_allocate = gtk_menu_bar_size_allocate;
- widget_class->expose_event = gtk_menu_bar_expose;
+ widget_class->draw = gtk_menu_bar_draw;
+ widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
+
+ gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_MENU_BAR);
menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
+ menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
+ menu_shell_class->move_current = gtk_menu_bar_move_current;
+
+ binding_set = gtk_binding_set_by_class (class);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_Left, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_PREV);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_KP_Left, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_PREV);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_Right, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_NEXT);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_KP_Right, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_NEXT);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_Up, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_PARENT);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_KP_Up, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_PARENT);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_Down, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_CHILD);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KEY_KP_Down, 0,
+ "move-current", 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE,
+ GTK_MENU_DIR_CHILD);
+
+ /**
+ * GtkMenuBar:pack-direction:
+ *
+ * The pack direction of the menubar. It determines how
+ * menuitems are arranged in the menubar.
+ *
+ * Since: 2.8
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_PACK_DIRECTION,
+ g_param_spec_enum ("pack-direction",
+ P_("Pack direction"),
+ P_("The pack direction of the menubar"),
+ GTK_TYPE_PACK_DIRECTION,
+ GTK_PACK_DIRECTION_LTR,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkMenuBar:child-pack-direction:
+ *
+ * The child pack direction of the menubar. It determines how
+ * the widgets contained in child menuitems are arranged.
+ *
+ * Since: 2.8
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_CHILD_PACK_DIRECTION,
+ g_param_spec_enum ("child-pack-direction",
+ P_("Child Pack direction"),
+ P_("The child pack direction of the menubar"),
+ GTK_TYPE_PACK_DIRECTION,
+ GTK_PACK_DIRECTION_LTR,
+ GTK_PARAM_READWRITE));
+
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_enum ("shadow-type",
+ P_("Shadow type"),
+ P_("Style of bevel around the menubar"),
+ GTK_TYPE_SHADOW_TYPE,
+ GTK_SHADOW_OUT,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkMenuBar:internal-padding:
+ *
+ * Amount of border space between the menubar shadow and the menu items
+ *
+ * Deprecated: 3.8: use the standard padding CSS property (through objects
+ * like #GtkStyleContext and #GtkCssProvider); the value of this style
+ * property is ignored.
+ */
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("internal-padding",
+ P_("Internal padding"),
+ P_("Amount of border space between the menubar shadow and the menu items"),
+ 0,
+ G_MAXINT,
+ 0,
+ GTK_PARAM_READABLE |
+ G_PARAM_DEPRECATED));
+
+ g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
}
static void
gtk_menu_bar_init (GtkMenuBar *menu_bar)
{
+ GtkStyleContext *context;
+
+ menu_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (menu_bar,
+ GTK_TYPE_MENU_BAR,
+ GtkMenuBarPrivate);
+
+ context = gtk_widget_get_style_context (GTK_WIDGET (menu_bar));
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_MENUBAR);
}
+/**
+ * gtk_menu_bar_new:
+ *
+ * Creates a new #GtkMenuBar
+ *
+ * Returns: the new menu bar, as a #GtkWidget
+ */
GtkWidget*
gtk_menu_bar_new (void)
{
- return GTK_WIDGET (gtk_type_new (gtk_menu_bar_get_type ()));
+ return g_object_new (GTK_TYPE_MENU_BAR, NULL);
}
-void
-gtk_menu_bar_append (GtkMenuBar *menu_bar,
- GtkWidget *child)
+static void
+gtk_menu_bar_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), child);
+ GtkMenuBar *menubar = GTK_MENU_BAR (object);
+
+ switch (prop_id)
+ {
+ case PROP_PACK_DIRECTION:
+ gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
+ break;
+ case PROP_CHILD_PACK_DIRECTION:
+ gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
-void
-gtk_menu_bar_prepend (GtkMenuBar *menu_bar,
- GtkWidget *child)
+static void
+gtk_menu_bar_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- gtk_menu_shell_prepend (GTK_MENU_SHELL (menu_bar), child);
+ GtkMenuBar *menubar = GTK_MENU_BAR (object);
+
+ switch (prop_id)
+ {
+ case PROP_PACK_DIRECTION:
+ g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
+ break;
+ case PROP_CHILD_PACK_DIRECTION:
+ g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
-void
-gtk_menu_bar_insert (GtkMenuBar *menu_bar,
- GtkWidget *child,
- gint position)
+static void
+get_preferred_size_for_size (GtkWidget *widget,
+ GtkOrientation orientation,
+ gint size,
+ gint *minimum,
+ gint *natural)
{
- gtk_menu_shell_insert (GTK_MENU_SHELL (menu_bar), child, position);
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ if (size < 0)
+ gtk_widget_get_preferred_width (widget, minimum, natural);
+ else
+ gtk_widget_get_preferred_width_for_height (widget, size, minimum, natural);
+ else
+ if (size < 0)
+ gtk_widget_get_preferred_height (widget, minimum, natural);
+ else
+ gtk_widget_get_preferred_height_for_width (widget, size, minimum, natural);
}
-
static void
gtk_menu_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
+ GtkOrientation orientation,
+ gint size,
+ gint *minimum,
+ gint *natural)
{
GtkMenuBar *menu_bar;
+ GtkMenuBarPrivate *priv;
GtkMenuShell *menu_shell;
GtkWidget *child;
GList *children;
- gint nchildren;
+ guint border_width;
+ gboolean use_toggle_size, use_maximize;
+ gint child_minimum, child_natural;
+ GtkStyleContext *context;
+ GtkBorder border;
+ GtkStateFlags flags;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MENU_BAR (widget));
- g_return_if_fail (requisition != NULL);
+ *minimum = 0;
+ *natural = 0;
+
+ menu_bar = GTK_MENU_BAR (widget);
+ menu_shell = GTK_MENU_SHELL (widget);
+ priv = menu_bar->priv;
+
+ children = menu_shell->priv->children;
+
+ if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
+ priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
+ use_toggle_size = (orientation == GTK_ORIENTATION_HORIZONTAL);
+ else
+ use_toggle_size = (orientation == GTK_ORIENTATION_VERTICAL);
- requisition->width = 0;
- requisition->height = 0;
+ if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
+ priv->pack_direction == GTK_PACK_DIRECTION_RTL)
+ use_maximize = (orientation == GTK_ORIENTATION_VERTICAL);
+ else
+ use_maximize = (orientation == GTK_ORIENTATION_HORIZONTAL);
- if (GTK_WIDGET_VISIBLE (widget))
+ while (children)
{
- menu_bar = GTK_MENU_BAR (widget);
- menu_shell = GTK_MENU_SHELL (widget);
+ child = children->data;
+ children = children->next;
- nchildren = 0;
- children = menu_shell->children;
+ if (gtk_widget_get_visible (child))
+ {
+ get_preferred_size_for_size (child, orientation, size, &child_minimum, &child_natural);
- while (children)
- {
- child = children->data;
- children = children->next;
+ if (use_toggle_size)
+ {
+ gint toggle_size;
- if (GTK_WIDGET_VISIBLE (child))
- {
- GTK_MENU_ITEM (child)->show_submenu_indicator = FALSE;
- gtk_widget_size_request (child, &child->requisition);
-
- requisition->width += child->requisition.width;
- requisition->height = MAX (requisition->height, child->requisition.height);
- /* Support for the right justified help menu */
- if ( (children == NULL) && (GTK_IS_MENU_ITEM(child))
- && (GTK_MENU_ITEM(child)->right_justify))
- {
- requisition->width += CHILD_SPACING;
- }
-
- nchildren += 1;
- }
- }
+ gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
+ &toggle_size);
+
+ child_minimum += toggle_size;
+ child_natural += toggle_size;
+ }
+
+ if (use_maximize)
+ {
+ *minimum = MAX (*minimum, child_minimum);
+ *natural = MAX (*natural, child_natural);
+ }
+ else
+ {
+ *minimum += child_minimum;
+ *natural += child_natural;
+ }
+ }
+ }
+
+ context = gtk_widget_get_style_context (widget);
+ flags = gtk_widget_get_state_flags (widget);
+ gtk_style_context_get_padding (context, flags, &border);
- requisition->width += (GTK_CONTAINER (menu_bar)->border_width +
- widget->style->klass->xthickness +
- BORDER_SPACING) * 2;
- requisition->height += (GTK_CONTAINER (menu_bar)->border_width +
- widget->style->klass->ythickness +
- BORDER_SPACING) * 2;
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ *minimum += border.left + border.right;
+ *natural += border.left + border.right;
+ }
+ else
+ {
+ *minimum += border.top + border.bottom;
+ *natural += border.top + border.bottom;
+ }
- if (nchildren > 0)
- requisition->width += 2 * CHILD_SPACING * (nchildren - 1);
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
+ *minimum += border_width * 2;
+ *natural += border_width * 2;
+
+ if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
+ {
+ gtk_style_context_get_border (context, flags, &border);
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ *minimum += border.left + border.right;
+ *natural += border.left + border.right;
+ }
+ else
+ {
+ *minimum += border.top + border.bottom;
+ *natural += border.top + border.bottom;
+ }
}
}
+static void
+gtk_menu_bar_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum, natural);
+}
+
+static void
+gtk_menu_bar_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, -1, minimum, natural);
+}
+
+static void
+gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum,
+ gint *natural)
+{
+ gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, height, minimum, natural);
+}
+
+static void
+gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum,
+ gint *natural)
+{
+ gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, width, minimum, natural);
+}
+
static void
gtk_menu_bar_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkMenuBar *menu_bar;
GtkMenuShell *menu_shell;
+ GtkMenuBarPrivate *priv;
GtkWidget *child;
GList *children;
- GtkAllocation child_allocation;
- guint offset;
-
- g_return_if_fail (widget != NULL);
+ GtkAllocation remaining_space;
+ guint border_width;
+ GArray *requested_sizes;
+ gint toggle_size;
+ guint i;
+
g_return_if_fail (GTK_IS_MENU_BAR (widget));
g_return_if_fail (allocation != NULL);
menu_bar = GTK_MENU_BAR (widget);
menu_shell = GTK_MENU_SHELL (widget);
+ priv = menu_bar->priv;
+
+ gtk_widget_set_allocation (widget, allocation);
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- gdk_window_move_resize (widget->window,
+ if (gtk_widget_get_realized (widget))
+ gdk_window_move_resize (gtk_widget_get_window (widget),
allocation->x, allocation->y,
allocation->width, allocation->height);
- if (menu_shell->children)
+ if (menu_shell->priv->children)
+ {
+ GtkStyleContext *context;
+ GtkStateFlags flags;
+ GtkBorder border;
+
+ context = gtk_widget_get_style_context (widget);
+ flags = gtk_widget_get_state_flags (widget);
+ gtk_style_context_get_padding (context, flags, &border);
+
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
+
+ remaining_space.x = (border_width + border.left);
+ remaining_space.y = (border_width + border.top);
+ remaining_space.width = allocation->width -
+ 2 * (border_width) - border.left - border.right;
+ remaining_space.height = allocation->height -
+ 2 * (border_width) - border.top - border.bottom;
+
+ if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
+ {
+ gtk_style_context_get_border (context, flags, &border);
+
+ remaining_space.x += border.left;
+ remaining_space.y += border.top;
+ remaining_space.width -= border.left + border.right;
+ remaining_space.height -= border.top + border.bottom;
+ }
+
+ requested_sizes = g_array_new (FALSE, FALSE, sizeof (GtkRequestedSize));
+
+ if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
+ priv->pack_direction == GTK_PACK_DIRECTION_RTL)
+ {
+ int size = remaining_space.width;
+ gboolean ltr = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR);
+
+ for (children = menu_shell->priv->children; children; children = children->next)
+ {
+ GtkRequestedSize request;
+ child = children->data;
+
+ if (!gtk_widget_get_visible (child))
+ continue;
+
+ request.data = child;
+ gtk_widget_get_preferred_width_for_height (child,
+ remaining_space.height,
+ &request.minimum_size,
+ &request.natural_size);
+ gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
+ &toggle_size);
+ request.minimum_size += toggle_size;
+ request.natural_size += toggle_size;
+
+ gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
+
+ g_array_append_val (requested_sizes, request);
+
+ size -= request.minimum_size;
+ }
+
+ size = gtk_distribute_natural_allocation (size,
+ requested_sizes->len,
+ (GtkRequestedSize *) requested_sizes->data);
+
+ for (i = 0; i < requested_sizes->len; i++)
+ {
+ GtkAllocation child_allocation = remaining_space;
+ GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
+
+ child_allocation.width = request->minimum_size;
+ remaining_space.width -= request->minimum_size;
+
+ if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
+ GTK_MENU_ITEM (request->data)->priv->right_justify)
+ ltr = !ltr;
+
+ if (ltr)
+ remaining_space.x += request->minimum_size;
+ else
+ child_allocation.x += remaining_space.width;
+
+ gtk_widget_size_allocate (request->data, &child_allocation);
+ }
+ }
+ else
+ {
+ int size = remaining_space.height;
+ gboolean ttb = (priv->pack_direction == GTK_PACK_DIRECTION_TTB);
+
+ for (children = menu_shell->priv->children; children; children = children->next)
+ {
+ GtkRequestedSize request;
+ child = children->data;
+
+ if (!gtk_widget_get_visible (child))
+ continue;
+
+ request.data = child;
+ gtk_widget_get_preferred_height_for_width (child,
+ remaining_space.width,
+ &request.minimum_size,
+ &request.natural_size);
+ gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
+ &toggle_size);
+ request.minimum_size += toggle_size;
+ request.natural_size += toggle_size;
+
+ gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
+
+ g_array_append_val (requested_sizes, request);
+
+ size -= request.minimum_size;
+ }
+
+ size = gtk_distribute_natural_allocation (size,
+ requested_sizes->len,
+ (GtkRequestedSize *) requested_sizes->data);
+
+ for (i = 0; i < requested_sizes->len; i++)
+ {
+ GtkAllocation child_allocation = remaining_space;
+ GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
+
+ child_allocation.height = request->minimum_size;
+ remaining_space.height -= request->minimum_size;
+
+ if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
+ GTK_MENU_ITEM (request->data)->priv->right_justify)
+ ttb = !ttb;
+
+ if (ttb)
+ remaining_space.y += request->minimum_size;
+ else
+ child_allocation.y += remaining_space.height;
+
+ gtk_widget_size_allocate (request->data, &child_allocation);
+ }
+ }
+
+ g_array_free (requested_sizes, TRUE);
+ }
+}
+
+static gint
+gtk_menu_bar_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GtkStyleContext *context;
+ int border;
+
+ border = gtk_container_get_border_width (GTK_CONTAINER (widget));
+ context = gtk_widget_get_style_context (widget);
+
+ gtk_render_background (context, cr,
+ border, border,
+ gtk_widget_get_allocated_width (widget) - border * 2,
+ gtk_widget_get_allocated_height (widget) - border * 2);
+
+ if (get_shadow_type (GTK_MENU_BAR (widget)) != GTK_SHADOW_NONE)
+ gtk_render_frame (context, cr,
+ border, border,
+ gtk_widget_get_allocated_width (widget) - border * 2,
+ gtk_widget_get_allocated_height (widget) - border * 2);
+
+ GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->draw (widget, cr);
+
+ return FALSE;
+}
+
+static GList *
+get_menu_bars (GtkWindow *window)
+{
+ return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
+}
+
+static GList *
+get_viewable_menu_bars (GtkWindow *window)
+{
+ GList *menu_bars;
+ GList *viewable_menu_bars = NULL;
+
+ for (menu_bars = get_menu_bars (window);
+ menu_bars;
+ menu_bars = menu_bars->next)
{
- child_allocation.x = (GTK_CONTAINER (menu_bar)->border_width +
- widget->style->klass->xthickness +
- BORDER_SPACING);
- offset = child_allocation.x; /* Window edge to menubar start */
-
- child_allocation.y = (GTK_CONTAINER (menu_bar)->border_width +
- widget->style->klass->ythickness +
- BORDER_SPACING);
- child_allocation.height = MAX (1, allocation->height - child_allocation.y * 2);
-
- children = menu_shell->children;
- while (children)
+ GtkWidget *widget = menu_bars->data;
+ gboolean viewable = TRUE;
+
+ while (widget)
{
- child = children->data;
- children = children->next;
+ if (!gtk_widget_get_mapped (widget))
+ viewable = FALSE;
+
+ widget = gtk_widget_get_parent (widget);
+ }
+
+ if (viewable)
+ viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
+ }
+
+ return g_list_reverse (viewable_menu_bars);
+}
- /* Support for the right justified help menu */
- if ( (children == NULL) && (GTK_IS_MENU_ITEM(child))
- && (GTK_MENU_ITEM(child)->right_justify))
+static void
+set_menu_bars (GtkWindow *window,
+ GList *menubars)
+{
+ g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
+}
+
+static gboolean
+window_key_press_handler (GtkWidget *widget,
+ GdkEventKey *event,
+ gpointer data)
+{
+ gchar *accel = NULL;
+ gboolean retval = FALSE;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-menu-bar-accel", &accel,
+ NULL);
+
+ if (accel && *accel)
+ {
+ guint keyval = 0;
+ GdkModifierType mods = 0;
+
+ gtk_accelerator_parse (accel, &keyval, &mods);
+
+ if (keyval == 0)
+ g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
+
+ /* FIXME this is wrong, needs to be in the global accel resolution
+ * thing, to properly consider i18n etc., but that probably requires
+ * AccelGroup changes etc.
+ */
+ if (event->keyval == keyval &&
+ ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
+ (mods & gtk_accelerator_get_default_mod_mask ())))
+ {
+ GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
+ GList *menubars;
+
+ menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
+ GTK_DIR_TAB_FORWARD, NULL);
+ g_list_free (tmp_menubars);
+
+ if (menubars)
{
- child_allocation.x = allocation->width -
- child->requisition.width - CHILD_SPACING - offset;
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
+
+ _gtk_menu_shell_set_keyboard_mode (menu_shell, TRUE);
+ gtk_menu_shell_select_first (menu_shell, FALSE);
+
+ g_list_free (menubars);
+
+ retval = TRUE;
}
- if (GTK_WIDGET_VISIBLE (child))
- {
- child_allocation.width = child->requisition.width;
+ }
+ }
- gtk_widget_size_allocate (child, &child_allocation);
+ g_free (accel);
- child_allocation.x += child_allocation.width + CHILD_SPACING * 2;
- }
- }
+ return retval;
+}
+
+static void
+add_to_window (GtkWindow *window,
+ GtkMenuBar *menubar)
+{
+ GList *menubars = get_menu_bars (window);
+
+ if (!menubars)
+ {
+ g_signal_connect (window,
+ "key-press-event",
+ G_CALLBACK (window_key_press_handler),
+ NULL);
}
+
+ set_menu_bars (window, g_list_prepend (menubars, menubar));
}
static void
-gtk_menu_bar_paint (GtkWidget *widget)
+remove_from_window (GtkWindow *window,
+ GtkMenuBar *menubar)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MENU_BAR (widget));
+ GList *menubars = get_menu_bars (window);
- if (GTK_WIDGET_DRAWABLE (widget))
+ menubars = g_list_remove (menubars, menubar);
+
+ if (!menubars)
{
- gtk_draw_shadow (widget->style,
- widget->window,
- GTK_STATE_NORMAL,
- GTK_SHADOW_OUT,
- 0, 0,
- widget->allocation.width,
- widget->allocation.height);
+ g_signal_handlers_disconnect_by_func (window,
+ window_key_press_handler,
+ NULL);
}
+
+ set_menu_bars (window, menubars);
}
static void
-gtk_menu_bar_draw (GtkWidget *widget,
- GdkRectangle *area)
+gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
+ GtkWidget *old_toplevel)
{
- GtkMenuShell *menu_shell;
- GtkWidget *child;
- GdkRectangle child_area;
- GList *children;
+ GtkWidget *toplevel;
+ GtkMenuBar *menubar;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MENU_BAR (widget));
- g_return_if_fail (area != NULL);
+ menubar = GTK_MENU_BAR (widget);
+
+ toplevel = gtk_widget_get_toplevel (widget);
+
+ if (old_toplevel)
+ remove_from_window (GTK_WINDOW (old_toplevel), menubar);
+
+ if (gtk_widget_is_toplevel (toplevel))
+ add_to_window (GTK_WINDOW (toplevel), menubar);
+}
+
+/**
+ * _gtk_menu_bar_cycle_focus:
+ * @menubar: a #GtkMenuBar
+ * @dir: direction in which to cycle the focus
+ *
+ * Move the focus between menubars in the toplevel.
+ **/
+void
+_gtk_menu_bar_cycle_focus (GtkMenuBar *menubar,
+ GtkDirectionType dir)
+{
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
+ GtkMenuItem *to_activate = NULL;
- if (GTK_WIDGET_DRAWABLE (widget))
+ if (gtk_widget_is_toplevel (toplevel))
{
- gtk_menu_bar_paint (widget);
+ GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
+ GList *menubars;
+ GList *current;
- menu_shell = GTK_MENU_SHELL (widget);
+ menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
+ dir, GTK_WIDGET (menubar));
+ g_list_free (tmp_menubars);
- children = menu_shell->children;
- while (children)
+ if (menubars)
{
- child = children->data;
- children = children->next;
+ current = g_list_find (menubars, menubar);
- if (gtk_widget_intersect (child, area, &child_area))
- gtk_widget_draw (child, &child_area);
+ if (current && current->next)
+ {
+ GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
+ if (new_menushell->priv->children)
+ to_activate = new_menushell->priv->children->data;
+ }
}
+
+ g_list_free (menubars);
}
+
+ gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
+
+ if (to_activate)
+ g_signal_emit_by_name (to_activate, "activate_item");
+}
+
+static GtkShadowType
+get_shadow_type (GtkMenuBar *menubar)
+{
+ GtkShadowType shadow_type = GTK_SHADOW_OUT;
+
+ gtk_widget_style_get (GTK_WIDGET (menubar),
+ "shadow-type", &shadow_type,
+ NULL);
+
+ return shadow_type;
}
static gint
-gtk_menu_bar_expose (GtkWidget *widget,
- GdkEventExpose *event)
+gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
{
- GtkMenuShell *menu_shell;
- GtkWidget *child;
- GdkEventExpose child_event;
- GList *children;
+ gint popup_delay;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
+ "gtk-menu-bar-popup-delay", &popup_delay,
+ NULL);
+
+ return popup_delay;
+}
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_MENU_BAR (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+static void
+gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction)
+{
+ GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
+ GtkTextDirection text_dir;
+ GtkPackDirection pack_dir;
- if (GTK_WIDGET_DRAWABLE (widget))
+ text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
+ pack_dir = gtk_menu_bar_get_pack_direction (menubar);
+
+ if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
+ {
+ if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
+ {
+ switch (direction)
+ {
+ case GTK_MENU_DIR_PREV:
+ direction = GTK_MENU_DIR_NEXT;
+ break;
+ case GTK_MENU_DIR_NEXT:
+ direction = GTK_MENU_DIR_PREV;
+ break;
+ default: ;
+ }
+ }
+ }
+ else
{
- gtk_menu_bar_paint (widget);
+ switch (direction)
+ {
+ case GTK_MENU_DIR_PARENT:
+ if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
+ direction = GTK_MENU_DIR_PREV;
+ else
+ direction = GTK_MENU_DIR_NEXT;
+ break;
+ case GTK_MENU_DIR_CHILD:
+ if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
+ direction = GTK_MENU_DIR_NEXT;
+ else
+ direction = GTK_MENU_DIR_PREV;
+ break;
+ case GTK_MENU_DIR_PREV:
+ if (text_dir == GTK_TEXT_DIR_RTL)
+ direction = GTK_MENU_DIR_CHILD;
+ else
+ direction = GTK_MENU_DIR_PARENT;
+ break;
+ case GTK_MENU_DIR_NEXT:
+ if (text_dir == GTK_TEXT_DIR_RTL)
+ direction = GTK_MENU_DIR_PARENT;
+ else
+ direction = GTK_MENU_DIR_CHILD;
+ break;
+ default: ;
+ }
+ }
+
+ GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
+}
- menu_shell = GTK_MENU_SHELL (widget);
- child_event = *event;
+/**
+ * gtk_menu_bar_get_pack_direction:
+ * @menubar: a #GtkMenuBar
+ *
+ * Retrieves the current pack direction of the menubar.
+ * See gtk_menu_bar_set_pack_direction().
+ *
+ * Return value: the pack direction
+ *
+ * Since: 2.8
+ */
+GtkPackDirection
+gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
+{
+ g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
+ GTK_PACK_DIRECTION_LTR);
- children = menu_shell->children;
- while (children)
- {
- child = children->data;
- children = children->next;
+ return menubar->priv->pack_direction;
+}
- if (GTK_WIDGET_NO_WINDOW (child) &&
- gtk_widget_intersect (child, &event->area, &child_event.area))
- gtk_widget_event (child, (GdkEvent*) &child_event);
- }
+/**
+ * gtk_menu_bar_set_pack_direction:
+ * @menubar: a #GtkMenuBar
+ * @pack_dir: a new #GtkPackDirection
+ *
+ * Sets how items should be packed inside a menubar.
+ *
+ * Since: 2.8
+ */
+void
+gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,
+ GtkPackDirection pack_dir)
+{
+ GtkMenuBarPrivate *priv;
+ GList *l;
+
+ g_return_if_fail (GTK_IS_MENU_BAR (menubar));
+
+ priv = menubar->priv;
+
+ if (priv->pack_direction != pack_dir)
+ {
+ priv->pack_direction = pack_dir;
+
+ gtk_widget_queue_resize (GTK_WIDGET (menubar));
+
+ for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
+ gtk_widget_queue_resize (GTK_WIDGET (l->data));
+
+ g_object_notify (G_OBJECT (menubar), "pack-direction");
}
+}
- return FALSE;
+/**
+ * gtk_menu_bar_get_child_pack_direction:
+ * @menubar: a #GtkMenuBar
+ *
+ * Retrieves the current child pack direction of the menubar.
+ * See gtk_menu_bar_set_child_pack_direction().
+ *
+ * Return value: the child pack direction
+ *
+ * Since: 2.8
+ */
+GtkPackDirection
+gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
+{
+ g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
+ GTK_PACK_DIRECTION_LTR);
+
+ return menubar->priv->child_pack_direction;
+}
+
+/**
+ * gtk_menu_bar_set_child_pack_direction:
+ * @menubar: a #GtkMenuBar
+ * @child_pack_dir: a new #GtkPackDirection
+ *
+ * Sets how widgets should be packed inside the children of a menubar.
+ *
+ * Since: 2.8
+ */
+void
+gtk_menu_bar_set_child_pack_direction (GtkMenuBar *menubar,
+ GtkPackDirection child_pack_dir)
+{
+ GtkMenuBarPrivate *priv;
+ GList *l;
+
+ g_return_if_fail (GTK_IS_MENU_BAR (menubar));
+
+ priv = menubar->priv;
+
+ if (priv->child_pack_direction != child_pack_dir)
+ {
+ priv->child_pack_direction = child_pack_dir;
+
+ gtk_widget_queue_resize (GTK_WIDGET (menubar));
+
+ for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
+ gtk_widget_queue_resize (GTK_WIDGET (l->data));
+
+ g_object_notify (G_OBJECT (menubar), "child-pack-direction");
+ }
+}
+
+/**
+ * gtk_menu_bar_new_from_model:
+ * @model: a #GMenuModel
+ *
+ * Creates a new #GtkMenuBar and populates it with menu items
+ * and submenus according to @model.
+ *
+ * The created menu items are connected to actions found in the
+ * #GtkApplicationWindow to which the menu bar belongs - typically
+ * by means of being contained within the #GtkApplicationWindows
+ * widget hierarchy.
+ *
+ * Returns: a new #GtkMenuBar
+ *
+ * Since: 3.4
+ */
+GtkWidget *
+gtk_menu_bar_new_from_model (GMenuModel *model)
+{
+ GtkWidget *menubar;
+
+ g_return_val_if_fail (G_IS_MENU_MODEL (model), NULL);
+
+ menubar = gtk_menu_bar_new ();
+ gtk_menu_shell_bind_model (GTK_MENU_SHELL (menubar), model, NULL, FALSE);
+
+ return menubar;
}
projects / ~andy / gtk / blobdiff