forked from AuroraMiddleware/gtk
a3ee7a9416
Sun Apr 12 22:43:22 1998 Owen Taylor <owt1@cornell.edu> * gtk/gtkmenuitem.c (gtk_menu_item_size_allocate): An old allocation error. * gtk/gtkviewport.c (gtk_viewport_add): Don't map when adding a not-VISIBLE widget to a VISIBLE viewport.
816 lines
22 KiB
C
816 lines
22 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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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#include <string.h>
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#include "gtklabel.h"
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#include "gtkmain.h"
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#include "gtkmenu.h"
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#include "gtkmenuitem.h"
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#include "gtksignal.h"
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#define BORDER_SPACING 3
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#define SELECT_TIMEOUT 20
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#define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
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enum {
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ACTIVATE,
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LAST_SIGNAL
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};
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static void gtk_menu_item_class_init (GtkMenuItemClass *klass);
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static void gtk_menu_item_init (GtkMenuItem *menu_item);
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static void gtk_menu_item_destroy (GtkObject *object);
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static void gtk_menu_item_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_menu_item_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static gint gtk_menu_item_install_accel (GtkWidget *widget,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers);
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static void gtk_menu_item_remove_accel (GtkWidget *widget,
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const gchar *signal_name);
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static void gtk_menu_item_paint (GtkWidget *widget,
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GdkRectangle *area);
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static void gtk_menu_item_draw (GtkWidget *widget,
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GdkRectangle *area);
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static gint gtk_menu_item_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_menu_item_enter (GtkWidget *widget,
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GdkEventCrossing *event);
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static gint gtk_menu_item_leave (GtkWidget *widget,
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GdkEventCrossing *event);
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static void gtk_real_menu_item_select (GtkItem *item);
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static void gtk_real_menu_item_deselect (GtkItem *item);
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static gint gtk_menu_item_select_timeout (gpointer data);
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static void gtk_menu_item_position_menu (GtkMenu *menu,
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gint *x,
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gint *y,
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gpointer user_data);
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static void gtk_menu_item_show_all (GtkWidget *widget);
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static void gtk_menu_item_hide_all (GtkWidget *widget);
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static GtkItemClass *parent_class;
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static guint menu_item_signals[LAST_SIGNAL] = { 0 };
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guint
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gtk_menu_item_get_type ()
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{
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static guint menu_item_type = 0;
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if (!menu_item_type)
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{
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GtkTypeInfo menu_item_info =
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{
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"GtkMenuItem",
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sizeof (GtkMenuItem),
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sizeof (GtkMenuItemClass),
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(GtkClassInitFunc) gtk_menu_item_class_init,
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(GtkObjectInitFunc) gtk_menu_item_init,
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(GtkArgSetFunc) NULL,
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(GtkArgGetFunc) NULL,
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};
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menu_item_type = gtk_type_unique (gtk_item_get_type (), &menu_item_info);
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}
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return menu_item_type;
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}
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static void
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gtk_menu_item_class_init (GtkMenuItemClass *klass)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkItemClass *item_class;
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object_class = (GtkObjectClass*) klass;
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widget_class = (GtkWidgetClass*) klass;
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item_class = (GtkItemClass*) klass;
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parent_class = gtk_type_class (gtk_item_get_type ());
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menu_item_signals[ACTIVATE] =
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gtk_signal_new ("activate",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, menu_item_signals, LAST_SIGNAL);
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object_class->destroy = gtk_menu_item_destroy;
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widget_class->activate_signal = menu_item_signals[ACTIVATE];
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widget_class->size_request = gtk_menu_item_size_request;
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widget_class->size_allocate = gtk_menu_item_size_allocate;
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widget_class->install_accelerator = gtk_menu_item_install_accel;
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widget_class->remove_accelerator = gtk_menu_item_remove_accel;
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widget_class->draw = gtk_menu_item_draw;
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widget_class->expose_event = gtk_menu_item_expose;
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widget_class->enter_notify_event = gtk_menu_item_enter;
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widget_class->leave_notify_event = gtk_menu_item_leave;
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widget_class->show_all = gtk_menu_item_show_all;
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widget_class->hide_all = gtk_menu_item_hide_all;
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item_class->select = gtk_real_menu_item_select;
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item_class->deselect = gtk_real_menu_item_deselect;
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klass->activate = NULL;
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klass->toggle_size = 0;
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klass->shift_text = "Shft";
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klass->control_text = "Ctl";
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klass->alt_text = "Alt";
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klass->separator_text = "+";
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}
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static void
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gtk_menu_item_init (GtkMenuItem *menu_item)
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{
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menu_item->submenu = NULL;
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menu_item->accelerator_key = 0;
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menu_item->accelerator_mods = 0;
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menu_item->accelerator_size = 0;
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menu_item->accelerator_signal = 0;
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menu_item->toggle_size = 0;
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menu_item->show_toggle_indicator = FALSE;
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menu_item->show_submenu_indicator = FALSE;
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menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
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menu_item->submenu_placement = GTK_TOP_BOTTOM;
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menu_item->right_justify = FALSE;
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menu_item->timer = 0;
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}
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GtkWidget*
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gtk_menu_item_new ()
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{
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return GTK_WIDGET (gtk_type_new (gtk_menu_item_get_type ()));
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}
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GtkWidget*
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gtk_menu_item_new_with_label (const gchar *label)
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{
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GtkWidget *menu_item;
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GtkWidget *label_widget;
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menu_item = gtk_menu_item_new ();
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label_widget = gtk_label_new (label);
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gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
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gtk_container_add (GTK_CONTAINER (menu_item), label_widget);
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gtk_widget_show (label_widget);
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return menu_item;
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}
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static void
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gtk_menu_item_destroy (GtkObject *object)
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{
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GtkMenuItem *menu_item;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (object));
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menu_item = GTK_MENU_ITEM (object);
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if (menu_item->submenu)
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gtk_widget_destroy (menu_item->submenu);
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
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}
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static void
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gtk_menu_item_detacher (GtkWidget *widget,
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GtkMenu *menu)
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{
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GtkMenuItem *menu_item;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (widget));
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menu_item = GTK_MENU_ITEM (widget);
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g_return_if_fail (menu_item->submenu == (GtkWidget*) menu);
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menu_item->submenu = NULL;
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}
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void
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gtk_menu_item_set_submenu (GtkMenuItem *menu_item,
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GtkWidget *submenu)
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{
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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if (menu_item->submenu != submenu)
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{
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gtk_menu_item_remove_submenu (menu_item);
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menu_item->submenu = submenu;
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gtk_menu_attach_to_widget (GTK_MENU (submenu),
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GTK_WIDGET (menu_item),
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gtk_menu_item_detacher);
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if (GTK_WIDGET (menu_item)->parent)
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gtk_widget_queue_resize (GTK_WIDGET (menu_item));
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}
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}
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void
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gtk_menu_item_remove_submenu (GtkMenuItem *menu_item)
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{
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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if (menu_item->submenu)
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gtk_menu_detach (GTK_MENU (menu_item->submenu));
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}
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void
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gtk_menu_item_set_placement (GtkMenuItem *menu_item,
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GtkSubmenuPlacement placement)
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{
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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menu_item->submenu_placement = placement;
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}
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void
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gtk_menu_item_accelerator_size (GtkMenuItem *menu_item)
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{
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char buf[32];
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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if (menu_item->accelerator_key)
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{
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gtk_menu_item_accelerator_text (menu_item, buf);
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menu_item->accelerator_size = gdk_string_width (GTK_WIDGET (menu_item)->style->font, buf) + 13;
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}
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else if (menu_item->submenu && menu_item->show_submenu_indicator)
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{
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menu_item->accelerator_size = 21;
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}
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else
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{
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menu_item->accelerator_size = 0;
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}
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}
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void
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gtk_menu_item_accelerator_text (GtkMenuItem *menu_item,
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gchar *buffer)
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{
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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if (menu_item->accelerator_key)
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{
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buffer[0] = '\0';
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if (menu_item->accelerator_mods & GDK_SHIFT_MASK)
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{
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->shift_text);
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->separator_text);
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}
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if (menu_item->accelerator_mods & GDK_CONTROL_MASK)
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{
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->control_text);
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->separator_text);
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}
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if (menu_item->accelerator_mods & GDK_MOD1_MASK)
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{
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->alt_text);
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strcat (buffer, MENU_ITEM_CLASS (menu_item)->separator_text);
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}
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strncat (buffer, &menu_item->accelerator_key, 1);
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}
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}
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void
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gtk_menu_item_configure (GtkMenuItem *menu_item,
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gint show_toggle_indicator,
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gint show_submenu_indicator)
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{
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g_return_if_fail (menu_item != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
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menu_item->show_toggle_indicator = (show_toggle_indicator == TRUE);
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menu_item->show_submenu_indicator = (show_submenu_indicator == TRUE);
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}
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void
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gtk_menu_item_select (GtkMenuItem *menu_item)
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{
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gtk_item_select (GTK_ITEM (menu_item));
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}
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void
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gtk_menu_item_deselect (GtkMenuItem *menu_item)
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{
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gtk_item_deselect (GTK_ITEM (menu_item));
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}
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void
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gtk_menu_item_activate (GtkMenuItem *menu_item)
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{
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gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[ACTIVATE]);
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}
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static void
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gtk_menu_item_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkBin *bin;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (widget));
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g_return_if_fail (requisition != NULL);
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bin = GTK_BIN (widget);
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gtk_menu_item_accelerator_size (GTK_MENU_ITEM (widget));
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requisition->width = (GTK_CONTAINER (widget)->border_width +
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widget->style->klass->xthickness +
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BORDER_SPACING) * 2;
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requisition->height = (GTK_CONTAINER (widget)->border_width +
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widget->style->klass->ythickness) * 2;
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if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
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{
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gtk_widget_size_request (bin->child, &bin->child->requisition);
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requisition->width += bin->child->requisition.width;
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requisition->height += bin->child->requisition.height;
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}
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}
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static void
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gtk_menu_item_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkBin *bin;
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GtkAllocation child_allocation;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (widget));
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g_return_if_fail (allocation != NULL);
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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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bin = GTK_BIN (widget);
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if (bin->child)
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{
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child_allocation.x = (GTK_CONTAINER (widget)->border_width +
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widget->style->klass->xthickness +
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BORDER_SPACING);
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child_allocation.y = (GTK_CONTAINER (widget)->border_width +
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widget->style->klass->ythickness);
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child_allocation.width = MAX (1, allocation->width - child_allocation.x * 2);
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child_allocation.height = MAX (1, allocation->height - child_allocation.y * 2);
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child_allocation.x += GTK_MENU_ITEM (widget)->toggle_size;
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child_allocation.width -= (GTK_MENU_ITEM (widget)->toggle_size +
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GTK_MENU_ITEM (widget)->accelerator_size);
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gtk_widget_size_allocate (bin->child, &child_allocation);
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}
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}
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static gint
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gtk_menu_item_install_accel (GtkWidget *widget,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers)
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{
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GtkMenuItem *menu_item;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
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g_return_val_if_fail (signal_name != NULL, FALSE);
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menu_item = GTK_MENU_ITEM (widget);
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menu_item->accelerator_signal = gtk_signal_lookup (signal_name, GTK_OBJECT_TYPE (widget));
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if (menu_item->accelerator_signal > 0)
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{
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menu_item->accelerator_key = key;
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menu_item->accelerator_mods = modifiers;
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if (widget->parent)
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gtk_widget_queue_resize (widget);
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return TRUE;
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}
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return FALSE;
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}
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static void
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gtk_menu_item_remove_accel (GtkWidget *widget,
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const gchar *signal_name)
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{
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GtkMenuItem *menu_item;
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guint signal_num;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (widget));
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g_return_if_fail (signal_name != NULL);
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menu_item = GTK_MENU_ITEM (widget);
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signal_num = gtk_signal_lookup (signal_name, GTK_OBJECT_TYPE (widget));
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if (menu_item->accelerator_signal == signal_num)
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{
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menu_item->accelerator_key = 0;
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menu_item->accelerator_mods = 0;
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menu_item->accelerator_signal = 0;
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if (GTK_WIDGET_VISIBLE (widget))
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{
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gtk_widget_queue_draw (widget);
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GTK_MENU_SHELL (widget->parent)->menu_flag = TRUE;
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}
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else
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gtk_container_need_resize (GTK_CONTAINER (widget->parent));
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}
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}
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static void
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gtk_menu_item_paint (GtkWidget *widget,
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GdkRectangle *area)
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{
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GtkMenuItem *menu_item;
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GtkStateType state_type;
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GtkShadowType shadow_type;
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GdkFont *font;
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gint width, height;
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gint x, y;
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char buf[32];
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (widget));
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if (GTK_WIDGET_DRAWABLE (widget))
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{
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menu_item = GTK_MENU_ITEM (widget);
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state_type = widget->state;
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if (!GTK_WIDGET_IS_SENSITIVE (widget))
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state_type = GTK_STATE_INSENSITIVE;
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gtk_style_set_background (widget->style, widget->window, state_type);
|
|
gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
|
|
|
|
x = GTK_CONTAINER (menu_item)->border_width;
|
|
y = GTK_CONTAINER (menu_item)->border_width;
|
|
width = widget->allocation.width - x * 2;
|
|
height = widget->allocation.height - y * 2;
|
|
|
|
if ((state_type == GTK_STATE_PRELIGHT) &&
|
|
(GTK_BIN (menu_item)->child))
|
|
gtk_draw_shadow (widget->style,
|
|
widget->window,
|
|
GTK_STATE_PRELIGHT,
|
|
GTK_SHADOW_OUT,
|
|
x, y, width, height);
|
|
|
|
if (menu_item->accelerator_key)
|
|
{
|
|
gtk_menu_item_accelerator_text (menu_item, buf);
|
|
|
|
font = widget->style->font;
|
|
x = x + width - menu_item->accelerator_size + 13 - 4;
|
|
y = y + ((height - (font->ascent + font->descent)) / 2) + font->ascent;
|
|
|
|
if (state_type == GTK_STATE_INSENSITIVE)
|
|
gdk_draw_string (widget->window, widget->style->font,
|
|
widget->style->white_gc,
|
|
x + 1, y + 1, buf);
|
|
|
|
gdk_draw_string (widget->window, widget->style->font,
|
|
widget->style->fg_gc[state_type],
|
|
x, y, buf);
|
|
}
|
|
else if (menu_item->submenu && menu_item->show_submenu_indicator)
|
|
{
|
|
shadow_type = GTK_SHADOW_OUT;
|
|
if (state_type == GTK_STATE_PRELIGHT)
|
|
shadow_type = GTK_SHADOW_IN;
|
|
|
|
gtk_draw_arrow (widget->style, widget->window,
|
|
state_type, shadow_type, GTK_ARROW_RIGHT, FALSE,
|
|
x + width - 15, y + height / 2 - 5, 10, 10);
|
|
}
|
|
else if (!GTK_BIN (menu_item)->child)
|
|
{
|
|
gtk_draw_hline (widget->style, widget->window, GTK_STATE_NORMAL,
|
|
0, widget->allocation.width, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_item_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkBin *bin;
|
|
GdkRectangle child_area;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
|
|
g_return_if_fail (area != NULL);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
gtk_menu_item_paint (widget, area);
|
|
|
|
bin = GTK_BIN (widget);
|
|
|
|
if (bin->child)
|
|
{
|
|
if (gtk_widget_intersect (bin->child, area, &child_area))
|
|
gtk_widget_draw (bin->child, &child_area);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_item_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkBin *bin;
|
|
GdkEventExpose child_event;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
gtk_menu_item_paint (widget, &event->area);
|
|
|
|
bin = GTK_BIN (widget);
|
|
|
|
if (bin->child)
|
|
{
|
|
child_event = *event;
|
|
|
|
if (GTK_WIDGET_NO_WINDOW (bin->child) &&
|
|
gtk_widget_intersect (bin->child, &event->area, &child_event.area))
|
|
gtk_widget_event (bin->child, (GdkEvent*) &child_event);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_item_enter (GtkWidget *widget,
|
|
GdkEventCrossing *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
return gtk_widget_event (widget->parent, (GdkEvent*) event);
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_item_leave (GtkWidget *widget,
|
|
GdkEventCrossing *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
return gtk_widget_event (widget->parent, (GdkEvent*) event);
|
|
}
|
|
|
|
static void
|
|
gtk_real_menu_item_select (GtkItem *item)
|
|
{
|
|
GtkMenuItem *menu_item;
|
|
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (item));
|
|
|
|
menu_item = GTK_MENU_ITEM (item);
|
|
|
|
if (menu_item->submenu && !GTK_WIDGET_VISIBLE (menu_item->submenu))
|
|
menu_item->timer = gtk_timeout_add (SELECT_TIMEOUT, gtk_menu_item_select_timeout, menu_item);
|
|
|
|
gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_PRELIGHT);
|
|
gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_real_menu_item_deselect (GtkItem *item)
|
|
{
|
|
GtkMenuItem *menu_item;
|
|
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (item));
|
|
|
|
menu_item = GTK_MENU_ITEM (item);
|
|
|
|
if (menu_item->submenu)
|
|
{
|
|
if (menu_item->timer)
|
|
gtk_timeout_remove (menu_item->timer);
|
|
else
|
|
gtk_menu_popdown (GTK_MENU (menu_item->submenu));
|
|
}
|
|
|
|
gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_NORMAL);
|
|
gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_item_select_timeout (gpointer data)
|
|
{
|
|
GtkMenuItem *menu_item;
|
|
|
|
menu_item = GTK_MENU_ITEM (data);
|
|
menu_item->timer = 0;
|
|
|
|
gtk_menu_popup (GTK_MENU (menu_item->submenu),
|
|
GTK_WIDGET (menu_item)->parent,
|
|
GTK_WIDGET (menu_item),
|
|
gtk_menu_item_position_menu,
|
|
menu_item,
|
|
GTK_MENU_SHELL (GTK_WIDGET (menu_item)->parent)->button,
|
|
0);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_item_position_menu (GtkMenu *menu,
|
|
gint *x,
|
|
gint *y,
|
|
gpointer user_data)
|
|
{
|
|
GtkMenuItem *menu_item;
|
|
GtkWidget *parent_menu_item;
|
|
gint screen_width;
|
|
gint screen_height;
|
|
gint twidth, theight;
|
|
gint tx, ty;
|
|
|
|
g_return_if_fail (menu != NULL);
|
|
g_return_if_fail (x != NULL);
|
|
g_return_if_fail (y != NULL);
|
|
|
|
menu_item = GTK_MENU_ITEM (user_data);
|
|
|
|
twidth = GTK_WIDGET (menu)->requisition.width;
|
|
theight = GTK_WIDGET (menu)->requisition.height;
|
|
|
|
screen_width = gdk_screen_width ();
|
|
screen_height = gdk_screen_height ();
|
|
|
|
if (!gdk_window_get_origin (GTK_WIDGET (menu_item)->window, &tx, &ty))
|
|
{
|
|
g_warning ("Menu not on screen");
|
|
return;
|
|
}
|
|
|
|
switch (menu_item->submenu_placement)
|
|
{
|
|
case GTK_TOP_BOTTOM:
|
|
if ((ty + GTK_WIDGET (menu_item)->allocation.height + theight) <= screen_height)
|
|
ty += GTK_WIDGET (menu_item)->allocation.height;
|
|
else if ((ty - theight) >= 0)
|
|
ty -= theight;
|
|
else
|
|
ty += GTK_WIDGET (menu_item)->allocation.height;
|
|
|
|
if ((tx + twidth) > screen_width)
|
|
{
|
|
tx -= ((tx + twidth) - screen_width);
|
|
if (tx < 0)
|
|
tx = 0;
|
|
}
|
|
break;
|
|
|
|
case GTK_LEFT_RIGHT:
|
|
menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
|
|
parent_menu_item = GTK_MENU (GTK_WIDGET (menu_item)->parent)->parent_menu_item;
|
|
if (parent_menu_item)
|
|
menu_item->submenu_direction = GTK_MENU_ITEM (parent_menu_item)->submenu_direction;
|
|
|
|
switch (menu_item->submenu_direction)
|
|
{
|
|
case GTK_DIRECTION_LEFT:
|
|
if ((tx - twidth) >= 0)
|
|
tx -= twidth;
|
|
else
|
|
{
|
|
menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
|
|
tx += GTK_WIDGET (menu_item)->allocation.width - 5;
|
|
}
|
|
break;
|
|
|
|
case GTK_DIRECTION_RIGHT:
|
|
if ((tx + GTK_WIDGET (menu_item)->allocation.width + twidth - 5) <= screen_width)
|
|
tx += GTK_WIDGET (menu_item)->allocation.width - 5;
|
|
else
|
|
{
|
|
menu_item->submenu_direction = GTK_DIRECTION_LEFT;
|
|
tx -= twidth;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ((ty + GTK_WIDGET (menu_item)->allocation.height / 4 + theight) <= screen_height)
|
|
ty += GTK_WIDGET (menu_item)->allocation.height / 4;
|
|
else
|
|
{
|
|
ty -= ((ty + theight) - screen_height);
|
|
if (ty < 0)
|
|
ty = 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
*x = tx;
|
|
*y = ty;
|
|
}
|
|
|
|
void
|
|
gtk_menu_item_right_justify(GtkMenuItem *menuitem)
|
|
{
|
|
g_return_if_fail (menuitem != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (menuitem));
|
|
|
|
menuitem->right_justify = 1;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_item_show_all (GtkWidget *widget)
|
|
{
|
|
GtkContainer *container;
|
|
GtkMenuItem *menu_item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
|
|
container = GTK_CONTAINER (widget);
|
|
menu_item = GTK_MENU_ITEM (widget);
|
|
|
|
/* Show children, traverse to submenu, show self. */
|
|
gtk_container_foreach (container, (GtkCallback) gtk_widget_show_all, NULL);
|
|
if (menu_item->submenu)
|
|
gtk_widget_show_all (menu_item->submenu);
|
|
gtk_widget_show (widget);
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_menu_item_hide_all (GtkWidget *widget)
|
|
{
|
|
GtkContainer *container;
|
|
GtkMenuItem *menu_item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
|
|
container = GTK_CONTAINER (widget);
|
|
menu_item = GTK_MENU_ITEM (widget);
|
|
|
|
/* Reverse order of gtk_menu_item_show_all */
|
|
gtk_widget_hide (widget);
|
|
if (menu_item->submenu)
|
|
gtk_widget_hide_all (menu_item->submenu);
|
|
gtk_container_foreach (container, (GtkCallback) gtk_widget_hide_all, NULL);
|
|
}
|