gtk2/gtk/gtkradiomenuitem.c
CST 1999 Shawn T. Amundson 279e878bdd Added notice to look in AUTHORS and ChangeLog files for a list of changes.
Wed Feb 24 01:22:39 CST 1999 Shawn T. Amundson <amundson@gtk.org>

        * *.[ch]: Added notice to look in AUTHORS and ChangeLog files
	  for a list of changes.
1999-02-24 07:37:18 +00:00

273 lines
7.2 KiB
C

/* GTK - The GIMP Toolkit
* 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
* 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.
*
* 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.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. 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/.
*/
#include "gtkaccellabel.h"
#include "gtkradiomenuitem.h"
static void gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass);
static void gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item);
static void gtk_radio_menu_item_activate (GtkMenuItem *menu_item);
static void gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
GdkRectangle *area);
GtkType
gtk_radio_menu_item_get_type (void)
{
static GtkType radio_menu_item_type = 0;
if (!radio_menu_item_type)
{
static const GtkTypeInfo radio_menu_item_info =
{
"GtkRadioMenuItem",
sizeof (GtkRadioMenuItem),
sizeof (GtkRadioMenuItemClass),
(GtkClassInitFunc) gtk_radio_menu_item_class_init,
(GtkObjectInitFunc) gtk_radio_menu_item_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
}
return radio_menu_item_type;
}
GtkWidget*
gtk_radio_menu_item_new (GSList *group)
{
GtkRadioMenuItem *radio_menu_item;
radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
gtk_radio_menu_item_set_group (radio_menu_item, group);
return GTK_WIDGET (radio_menu_item);
}
void
gtk_radio_menu_item_set_group (GtkRadioMenuItem *radio_menu_item,
GSList *group)
{
g_return_if_fail (radio_menu_item != NULL);
g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item));
g_return_if_fail (!g_slist_find (group, radio_menu_item));
if (radio_menu_item->group)
{
GSList *slist;
radio_menu_item->group = g_slist_remove (radio_menu_item->group, radio_menu_item);
for (slist = radio_menu_item->group; slist; slist = slist->next)
{
GtkRadioMenuItem *tmp_item;
tmp_item = slist->data;
tmp_item->group = radio_menu_item->group;
}
}
radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
if (group)
{
GSList *slist;
for (slist = group; slist; slist = slist->next)
{
GtkRadioMenuItem *tmp_item;
tmp_item = slist->data;
tmp_item->group = radio_menu_item->group;
}
}
else
{
GTK_CHECK_MENU_ITEM (radio_menu_item)->active = TRUE;
/* gtk_widget_set_state (GTK_WIDGET (radio_menu_item), GTK_STATE_ACTIVE);
*/
}
}
GtkWidget*
gtk_radio_menu_item_new_with_label (GSList *group,
const gchar *label)
{
GtkWidget *radio_menu_item;
GtkWidget *accel_label;
radio_menu_item = gtk_radio_menu_item_new (group);
accel_label = gtk_accel_label_new (label);
gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (radio_menu_item), accel_label);
gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), radio_menu_item);
gtk_widget_show (accel_label);
return radio_menu_item;
}
GSList*
gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
{
g_return_val_if_fail (radio_menu_item != NULL, NULL);
g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
return radio_menu_item->group;
}
static void
gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
{
GtkMenuItemClass *menu_item_class;
GtkCheckMenuItemClass *check_menu_item_class;
menu_item_class = (GtkMenuItemClass*) klass;
check_menu_item_class = (GtkCheckMenuItemClass*) klass;
menu_item_class->activate = gtk_radio_menu_item_activate;
check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
}
static void
gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
{
radio_menu_item->group = g_slist_prepend (NULL, radio_menu_item);
}
static void
gtk_radio_menu_item_activate (GtkMenuItem *menu_item)
{
GtkRadioMenuItem *radio_menu_item;
GtkCheckMenuItem *check_menu_item;
GtkCheckMenuItem *tmp_menu_item;
GSList *tmp_list;
gint toggled;
g_return_if_fail (menu_item != NULL);
g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
toggled = FALSE;
if (check_menu_item->active)
{
tmp_menu_item = NULL;
tmp_list = radio_menu_item->group;
while (tmp_list)
{
tmp_menu_item = tmp_list->data;
tmp_list = tmp_list->next;
if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
break;
tmp_menu_item = NULL;
}
if (tmp_menu_item)
{
toggled = TRUE;
check_menu_item->active = !check_menu_item->active;
}
}
else
{
toggled = TRUE;
check_menu_item->active = !check_menu_item->active;
tmp_list = radio_menu_item->group;
while (tmp_list)
{
tmp_menu_item = tmp_list->data;
tmp_list = tmp_list->next;
if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
{
gtk_menu_item_activate (GTK_MENU_ITEM (tmp_menu_item));
break;
}
}
}
if (toggled)
gtk_check_menu_item_toggled (check_menu_item);
gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
}
static void
gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
GdkRectangle *area)
{
GtkWidget *widget;
GtkStateType state_type;
GtkShadowType shadow_type;
gint width, height;
gint x, y;
g_return_if_fail (check_menu_item != NULL);
g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
if (GTK_WIDGET_DRAWABLE (check_menu_item))
{
widget = GTK_WIDGET (check_menu_item);
width = 8;
height = 8;
x = (GTK_CONTAINER (check_menu_item)->border_width +
widget->style->klass->xthickness + 2);
y = (widget->allocation.height - height) / 2;
if (check_menu_item->active ||
check_menu_item->always_show_toggle ||
(GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
{
state_type = GTK_WIDGET_STATE (widget);
if (check_menu_item->active ||
!check_menu_item->always_show_toggle)
shadow_type = GTK_SHADOW_IN;
else
shadow_type = GTK_SHADOW_OUT;
gtk_paint_option (widget->style, widget->window,
state_type, shadow_type,
area, widget, "option",
x, y, width, height);
}
}
}