1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #include "gtkaccellabel.h"
28 #include "gtkradiomenuitem.h"
31 static void gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass);
32 static void gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item);
33 static void gtk_radio_menu_item_destroy (GtkObject *object);
34 static void gtk_radio_menu_item_activate (GtkMenuItem *menu_item);
35 static void gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
38 static GtkCheckMenuItemClass *parent_class = NULL;
41 gtk_radio_menu_item_get_type (void)
43 static GtkType radio_menu_item_type = 0;
45 if (!radio_menu_item_type)
47 static const GtkTypeInfo radio_menu_item_info =
50 sizeof (GtkRadioMenuItem),
51 sizeof (GtkRadioMenuItemClass),
52 (GtkClassInitFunc) gtk_radio_menu_item_class_init,
53 (GtkObjectInitFunc) gtk_radio_menu_item_init,
54 /* reserved_1 */ NULL,
55 /* reserved_2 */ NULL,
56 (GtkClassInitFunc) NULL,
59 radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
62 return radio_menu_item_type;
66 gtk_radio_menu_item_new (GSList *group)
68 GtkRadioMenuItem *radio_menu_item;
70 radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
72 gtk_radio_menu_item_set_group (radio_menu_item, group);
74 return GTK_WIDGET (radio_menu_item);
78 gtk_radio_menu_item_set_group (GtkRadioMenuItem *radio_menu_item,
81 g_return_if_fail (radio_menu_item != NULL);
82 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item));
83 g_return_if_fail (!g_slist_find (group, radio_menu_item));
85 if (radio_menu_item->group)
89 radio_menu_item->group = g_slist_remove (radio_menu_item->group, radio_menu_item);
91 for (slist = radio_menu_item->group; slist; slist = slist->next)
93 GtkRadioMenuItem *tmp_item;
95 tmp_item = slist->data;
97 tmp_item->group = radio_menu_item->group;
101 radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
107 for (slist = group; slist; slist = slist->next)
109 GtkRadioMenuItem *tmp_item;
111 tmp_item = slist->data;
113 tmp_item->group = radio_menu_item->group;
118 GTK_CHECK_MENU_ITEM (radio_menu_item)->active = TRUE;
119 /* gtk_widget_set_state (GTK_WIDGET (radio_menu_item), GTK_STATE_ACTIVE);
125 gtk_radio_menu_item_new_with_label (GSList *group,
128 GtkWidget *radio_menu_item;
129 GtkWidget *accel_label;
131 radio_menu_item = gtk_radio_menu_item_new (group);
132 accel_label = gtk_accel_label_new (label);
133 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
134 gtk_container_add (GTK_CONTAINER (radio_menu_item), accel_label);
135 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), radio_menu_item);
136 gtk_widget_show (accel_label);
138 return radio_menu_item;
142 gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
144 g_return_val_if_fail (radio_menu_item != NULL, NULL);
145 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
147 return radio_menu_item->group;
152 gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
154 GtkObjectClass *object_class;
155 GtkMenuItemClass *menu_item_class;
156 GtkCheckMenuItemClass *check_menu_item_class;
158 object_class = (GtkObjectClass*) klass;
159 menu_item_class = (GtkMenuItemClass*) klass;
160 check_menu_item_class = (GtkCheckMenuItemClass*) klass;
162 parent_class = gtk_type_class (gtk_check_menu_item_get_type ());
164 object_class->destroy = gtk_radio_menu_item_destroy;
166 menu_item_class->activate = gtk_radio_menu_item_activate;
168 check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
172 gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
174 radio_menu_item->group = g_slist_prepend (NULL, radio_menu_item);
178 gtk_radio_menu_item_destroy (GtkObject *object)
180 GtkRadioMenuItem *radio_menu_item;
181 GtkRadioMenuItem *tmp_menu_item;
184 g_return_if_fail (object != NULL);
185 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (object));
187 radio_menu_item = GTK_RADIO_MENU_ITEM (object);
189 radio_menu_item->group = g_slist_remove (radio_menu_item->group,
191 tmp_list = radio_menu_item->group;
195 tmp_menu_item = tmp_list->data;
196 tmp_list = tmp_list->next;
198 tmp_menu_item->group = radio_menu_item->group;
201 if (GTK_OBJECT_CLASS (parent_class)->destroy)
202 (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
206 gtk_radio_menu_item_activate (GtkMenuItem *menu_item)
208 GtkRadioMenuItem *radio_menu_item;
209 GtkCheckMenuItem *check_menu_item;
210 GtkCheckMenuItem *tmp_menu_item;
214 g_return_if_fail (menu_item != NULL);
215 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
217 radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
218 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
221 if (check_menu_item->active)
223 tmp_menu_item = NULL;
224 tmp_list = radio_menu_item->group;
228 tmp_menu_item = tmp_list->data;
229 tmp_list = tmp_list->next;
231 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
234 tmp_menu_item = NULL;
240 check_menu_item->active = !check_menu_item->active;
246 check_menu_item->active = !check_menu_item->active;
248 tmp_list = radio_menu_item->group;
251 tmp_menu_item = tmp_list->data;
252 tmp_list = tmp_list->next;
254 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
256 gtk_menu_item_activate (GTK_MENU_ITEM (tmp_menu_item));
263 gtk_check_menu_item_toggled (check_menu_item);
264 gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
268 gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
272 GtkStateType state_type;
273 GtkShadowType shadow_type;
277 g_return_if_fail (check_menu_item != NULL);
278 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
280 if (GTK_WIDGET_DRAWABLE (check_menu_item))
282 widget = GTK_WIDGET (check_menu_item);
286 x = (GTK_CONTAINER (check_menu_item)->border_width +
287 widget->style->xthickness + 2);
288 y = (widget->allocation.height - height) / 2;
290 if (check_menu_item->active ||
291 check_menu_item->always_show_toggle ||
292 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
294 state_type = GTK_WIDGET_STATE (widget);
295 if (check_menu_item->active ||
296 !check_menu_item->always_show_toggle)
297 shadow_type = GTK_SHADOW_IN;
299 shadow_type = GTK_SHADOW_OUT;
301 gtk_paint_option (widget->style, widget->window,
302 state_type, shadow_type,
303 area, widget, "option",
304 x, y, width, height);