forked from AuroraMiddleware/gtk
2001-10-04 Havoc Pennington <hp@pobox.com> Fix #56586 * gtk/gtksettings.c (gtk_settings_class_init): move the F10 accelerator setting here... * gtk/gtkmenubar.c (gtk_menu_bar_class_init): ...from over here, because we try to use it when a menu bar hasn't necessarily been initialized.
472 lines
13 KiB
C
472 lines
13 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "gdk/gdkkeysyms.h"
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#include "gtkbindings.h"
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#include "gtkmain.h"
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#include "gtkmenubar.h"
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#include "gtkmenuitem.h"
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#include "gtksettings.h"
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#include "gtkintl.h"
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#include "gtkwindow.h"
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#include "gtksignal.h"
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#define BORDER_SPACING 0
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#define CHILD_SPACING 3
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#define DEFAULT_IPADDING 1
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static void gtk_menu_bar_class_init (GtkMenuBarClass *klass);
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static void gtk_menu_bar_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_menu_bar_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_menu_bar_paint (GtkWidget *widget,
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GdkRectangle *area);
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static gint gtk_menu_bar_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
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GtkWidget *old_toplevel);
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static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
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static GtkMenuShellClass *parent_class = NULL;
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GtkType
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gtk_menu_bar_get_type (void)
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{
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static GtkType menu_bar_type = 0;
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if (!menu_bar_type)
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{
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static const GtkTypeInfo menu_bar_info =
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{
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"GtkMenuBar",
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sizeof (GtkMenuBar),
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sizeof (GtkMenuBarClass),
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(GtkClassInitFunc) gtk_menu_bar_class_init,
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(GtkObjectInitFunc) NULL,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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menu_bar_type = gtk_type_unique (gtk_menu_shell_get_type (), &menu_bar_info);
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}
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return menu_bar_type;
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}
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static void
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gtk_menu_bar_class_init (GtkMenuBarClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkMenuShellClass *menu_shell_class;
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GtkBindingSet *binding_set;
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parent_class = g_type_class_peek_parent (class);
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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menu_shell_class = (GtkMenuShellClass*) class;
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widget_class->size_request = gtk_menu_bar_size_request;
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widget_class->size_allocate = gtk_menu_bar_size_allocate;
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widget_class->expose_event = gtk_menu_bar_expose;
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widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
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menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
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binding_set = gtk_binding_set_by_class (class);
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gtk_binding_entry_add_signal (binding_set,
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GDK_Left, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_PREV);
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gtk_binding_entry_add_signal (binding_set,
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GDK_KP_Left, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_PREV);
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gtk_binding_entry_add_signal (binding_set,
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GDK_Right, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_NEXT);
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gtk_binding_entry_add_signal (binding_set,
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GDK_KP_Right, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_NEXT);
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gtk_binding_entry_add_signal (binding_set,
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GDK_Up, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_PARENT);
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gtk_binding_entry_add_signal (binding_set,
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GDK_KP_Up, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_PARENT);
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gtk_binding_entry_add_signal (binding_set,
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GDK_Down, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_CHILD);
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gtk_binding_entry_add_signal (binding_set,
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GDK_KP_Down, 0,
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"move_current", 1,
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GTK_TYPE_MENU_DIRECTION_TYPE,
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GTK_MENU_DIR_CHILD);
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_enum ("shadow_type",
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_("Shadow type"),
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_("Style of bevel around the menubar"),
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GTK_TYPE_SHADOW_TYPE,
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GTK_SHADOW_OUT,
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G_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("internal_padding",
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_("Internal padding"),
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_("Amount of border space between the menubar shadow and the menu items"),
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0,
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G_MAXINT,
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DEFAULT_IPADDING,
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G_PARAM_READABLE));
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}
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GtkWidget*
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gtk_menu_bar_new (void)
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{
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return GTK_WIDGET (gtk_type_new (gtk_menu_bar_get_type ()));
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}
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static void
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gtk_menu_bar_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkMenuBar *menu_bar;
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GtkMenuShell *menu_shell;
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GtkWidget *child;
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GList *children;
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gint nchildren;
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GtkRequisition child_requisition;
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gint ipadding;
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g_return_if_fail (GTK_IS_MENU_BAR (widget));
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g_return_if_fail (requisition != NULL);
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requisition->width = 0;
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requisition->height = 0;
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if (GTK_WIDGET_VISIBLE (widget))
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{
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menu_bar = GTK_MENU_BAR (widget);
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menu_shell = GTK_MENU_SHELL (widget);
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nchildren = 0;
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children = menu_shell->children;
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while (children)
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{
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child = children->data;
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children = children->next;
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if (GTK_WIDGET_VISIBLE (child))
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{
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gint toggle_size;
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GTK_MENU_ITEM (child)->show_submenu_indicator = FALSE;
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gtk_widget_size_request (child, &child_requisition);
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gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
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&toggle_size);
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requisition->width += child_requisition.width;
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requisition->width += toggle_size;
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requisition->height = MAX (requisition->height, child_requisition.height);
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/* Support for the right justified help menu */
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if ((children == NULL) && GTK_IS_MENU_ITEM(child) &&
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GTK_MENU_ITEM(child)->right_justify)
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{
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requisition->width += CHILD_SPACING;
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}
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nchildren += 1;
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}
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}
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gtk_widget_style_get (widget, "internal_padding", &ipadding, NULL);
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requisition->width += (GTK_CONTAINER (menu_bar)->border_width +
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widget->style->xthickness +
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ipadding +
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BORDER_SPACING) * 2;
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requisition->height += (GTK_CONTAINER (menu_bar)->border_width +
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widget->style->ythickness +
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ipadding +
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BORDER_SPACING) * 2;
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if (nchildren > 0)
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requisition->width += 2 * CHILD_SPACING * (nchildren - 1);
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}
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}
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static void
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gtk_menu_bar_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkMenuBar *menu_bar;
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GtkMenuShell *menu_shell;
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GtkWidget *child;
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GList *children;
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GtkAllocation child_allocation;
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GtkRequisition child_requisition;
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guint offset;
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gint ipadding;
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g_return_if_fail (GTK_IS_MENU_BAR (widget));
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g_return_if_fail (allocation != NULL);
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menu_bar = GTK_MENU_BAR (widget);
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menu_shell = GTK_MENU_SHELL (widget);
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widget->allocation = *allocation;
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if (GTK_WIDGET_REALIZED (widget))
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gdk_window_move_resize (widget->window,
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allocation->x, allocation->y,
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allocation->width, allocation->height);
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gtk_widget_style_get (widget, "internal_padding", &ipadding, NULL);
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if (menu_shell->children)
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{
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child_allocation.x = (GTK_CONTAINER (menu_bar)->border_width +
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widget->style->xthickness +
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ipadding +
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BORDER_SPACING);
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offset = child_allocation.x; /* Window edge to menubar start */
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child_allocation.y = (GTK_CONTAINER (menu_bar)->border_width +
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widget->style->ythickness +
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ipadding +
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BORDER_SPACING);
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child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
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children = menu_shell->children;
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while (children)
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{
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gint toggle_size;
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child = children->data;
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children = children->next;
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gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
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&toggle_size);
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gtk_widget_get_child_requisition (child, &child_requisition);
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child_requisition.width += toggle_size;
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/* Support for the right justified help menu */
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if ( (children == NULL) && (GTK_IS_MENU_ITEM(child))
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&& (GTK_MENU_ITEM(child)->right_justify))
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{
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child_allocation.x = allocation->width -
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child_requisition.width - CHILD_SPACING - offset;
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}
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if (GTK_WIDGET_VISIBLE (child))
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{
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child_allocation.width = child_requisition.width;
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gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
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toggle_size);
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gtk_widget_size_allocate (child, &child_allocation);
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child_allocation.x += child_allocation.width + CHILD_SPACING * 2;
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}
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}
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}
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}
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static void
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gtk_menu_bar_paint (GtkWidget *widget, GdkRectangle *area)
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{
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g_return_if_fail (GTK_IS_MENU_BAR (widget));
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if (GTK_WIDGET_DRAWABLE (widget))
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{
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gint border;
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border = GTK_CONTAINER (widget)->border_width;
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gtk_paint_box (widget->style,
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widget->window,
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GTK_WIDGET_STATE (widget),
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get_shadow_type (GTK_MENU_BAR (widget)),
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area, widget, "menubar",
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border, border,
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widget->allocation.width - border * 2,
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widget->allocation.height - border * 2);
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}
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}
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static gint
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gtk_menu_bar_expose (GtkWidget *widget,
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GdkEventExpose *event)
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{
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g_return_val_if_fail (GTK_IS_MENU_BAR (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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if (GTK_WIDGET_DRAWABLE (widget))
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{
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gtk_menu_bar_paint (widget, &event->area);
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(* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
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}
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return FALSE;
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}
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static gboolean
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window_key_press_handler (GtkWidget *widget,
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GdkEventKey *event,
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gpointer data)
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{
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gchar *accel = NULL;
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gboolean retval = FALSE;
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g_object_get (G_OBJECT (gtk_widget_get_settings (widget)),
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"gtk-menu-bar-accel",
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&accel,
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NULL);
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if (accel)
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{
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guint keyval = 0;
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GdkModifierType mods = 0;
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gtk_accelerator_parse (accel, &keyval, &mods);
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if (keyval == 0)
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g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
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/* FIXME this is wrong, needs to be in the global accel resolution
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* thing, to properly consider i18n etc., but that probably requires
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* AccelGroup changes etc.
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*/
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if (event->keyval == keyval &&
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(mods & event->state) == mods)
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{
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GtkMenuBar *menubar;
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GtkMenuShell *menushell;
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menubar = GTK_MENU_BAR (data);
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menushell = GTK_MENU_SHELL (menubar);
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if (menushell->children)
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{
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gtk_signal_emit_by_name (GTK_OBJECT (menushell->children->data),
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"activate_item");
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retval = TRUE;
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}
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}
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g_free (accel);
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}
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return retval;
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}
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static void
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add_to_window (GtkWindow *window,
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GtkMenuBar *menubar)
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{
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GtkMenuBar *old_menubar;
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old_menubar = g_object_get_data (G_OBJECT (window),
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"gtk-menu-bar");
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if (old_menubar)
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return; /* ignore this case; app programmer on crack, but
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* shouldn't spew stuff, just don't support the accel
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* for menubar #2
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*/
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g_object_set_data (G_OBJECT (window),
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"gtk-menu-bar",
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menubar);
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g_signal_connect (G_OBJECT (window),
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"key_press_event",
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G_CALLBACK (window_key_press_handler),
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menubar);
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}
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static void
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remove_from_window (GtkWindow *window,
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GtkMenuBar *menubar)
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{
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g_signal_handlers_disconnect_by_func (G_OBJECT (window),
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G_CALLBACK (window_key_press_handler),
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menubar);
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}
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static void
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gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
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GtkWidget *old_toplevel)
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{
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GtkWidget *toplevel;
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GtkMenuBar *menubar;
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menubar = GTK_MENU_BAR (widget);
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toplevel = gtk_widget_get_toplevel (widget);
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if (old_toplevel)
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remove_from_window (GTK_WINDOW (old_toplevel), menubar);
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if (GTK_WIDGET_TOPLEVEL (toplevel))
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add_to_window (GTK_WINDOW (toplevel), menubar);
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}
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static GtkShadowType
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get_shadow_type (GtkMenuBar *menubar)
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{
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GtkShadowType shadow_type = GTK_SHADOW_OUT;
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gtk_widget_style_get (GTK_WIDGET (menubar),
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"shadow_type", &shadow_type,
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NULL);
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return shadow_type;
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}
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