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.
20 #include "gtkradiomenuitem.h"
23 static void gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass);
24 static void gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item);
25 static void gtk_radio_menu_item_activate (GtkMenuItem *menu_item);
26 static void gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
31 gtk_radio_menu_item_get_type ()
33 static guint radio_menu_item_type = 0;
35 if (!radio_menu_item_type)
37 GtkTypeInfo radio_menu_item_info =
40 sizeof (GtkRadioMenuItem),
41 sizeof (GtkRadioMenuItemClass),
42 (GtkClassInitFunc) gtk_radio_menu_item_class_init,
43 (GtkObjectInitFunc) gtk_radio_menu_item_init,
48 radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
51 return radio_menu_item_type;
55 gtk_radio_menu_item_new (GSList *group)
57 GtkRadioMenuItem *radio_menu_item;
59 radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
61 gtk_radio_menu_item_set_group (radio_menu_item, group);
63 return GTK_WIDGET (radio_menu_item);
67 gtk_radio_menu_item_set_group (GtkRadioMenuItem *radio_menu_item,
70 g_return_if_fail (radio_menu_item != NULL);
71 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item));
72 g_return_if_fail (!g_slist_find (group, radio_menu_item));
74 if (radio_menu_item->group)
78 radio_menu_item->group = g_slist_remove (radio_menu_item->group, radio_menu_item);
80 for (slist = radio_menu_item->group; slist; slist = slist->next)
82 GtkRadioMenuItem *tmp_item;
84 tmp_item = slist->data;
86 tmp_item->group = radio_menu_item->group;
90 radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
96 for (slist = group; slist; slist = slist->next)
98 GtkRadioMenuItem *tmp_item;
100 tmp_item = slist->data;
102 tmp_item->group = radio_menu_item->group;
107 GTK_CHECK_MENU_ITEM (radio_menu_item)->active = TRUE;
108 /* gtk_widget_set_state (GTK_WIDGET (radio_menu_item), GTK_STATE_ACTIVE);
114 gtk_radio_menu_item_new_with_label (GSList *group,
117 GtkWidget *radio_menu_item;
118 GtkWidget *label_widget;
120 radio_menu_item = gtk_radio_menu_item_new (group);
121 label_widget = gtk_label_new (label);
122 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
124 gtk_container_add (GTK_CONTAINER (radio_menu_item), label_widget);
125 gtk_widget_show (label_widget);
127 return radio_menu_item;
131 gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
133 g_return_val_if_fail (radio_menu_item != NULL, NULL);
134 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
136 return radio_menu_item->group;
141 gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
143 GtkMenuItemClass *menu_item_class;
144 GtkCheckMenuItemClass *check_menu_item_class;
146 menu_item_class = (GtkMenuItemClass*) klass;
147 check_menu_item_class = (GtkCheckMenuItemClass*) klass;
149 menu_item_class->activate = gtk_radio_menu_item_activate;
151 check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
155 gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
157 radio_menu_item->group = g_slist_prepend (NULL, radio_menu_item);
161 gtk_radio_menu_item_activate (GtkMenuItem *menu_item)
163 GtkRadioMenuItem *radio_menu_item;
164 GtkCheckMenuItem *check_menu_item;
165 GtkCheckMenuItem *tmp_menu_item;
169 g_return_if_fail (menu_item != NULL);
170 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
172 radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
173 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
176 if (check_menu_item->active)
178 tmp_menu_item = NULL;
179 tmp_list = radio_menu_item->group;
183 tmp_menu_item = tmp_list->data;
184 tmp_list = tmp_list->next;
186 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
189 tmp_menu_item = NULL;
195 check_menu_item->active = !check_menu_item->active;
201 check_menu_item->active = !check_menu_item->active;
203 tmp_list = radio_menu_item->group;
206 tmp_menu_item = tmp_list->data;
207 tmp_list = tmp_list->next;
209 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
211 gtk_menu_item_activate (GTK_MENU_ITEM (tmp_menu_item));
218 gtk_check_menu_item_toggled (check_menu_item);
219 gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
223 gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
227 GtkStateType state_type;
228 GtkShadowType shadow_type;
233 g_return_if_fail (check_menu_item != NULL);
234 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
236 if (GTK_WIDGET_DRAWABLE (check_menu_item))
238 widget = GTK_WIDGET (check_menu_item);
242 x = (GTK_CONTAINER (check_menu_item)->border_width +
243 widget->style->klass->xthickness + 2);
244 y = (widget->allocation.height - height) / 2;
246 gdk_window_clear_area (widget->window, x, y, width, height);
248 if (check_menu_item->active ||
249 check_menu_item->always_show_toggle ||
250 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
252 state_type = GTK_WIDGET_STATE (widget);
253 if (check_menu_item->active ||
254 !check_menu_item->always_show_toggle)
255 shadow_type = GTK_SHADOW_IN;
257 shadow_type = GTK_SHADOW_OUT;
259 pts[0].x = x + width / 2;
261 pts[1].x = x + width;
262 pts[1].y = y + height / 2;
264 pts[2].y = y + height;
268 gdk_draw_polygon (widget->window,
269 widget->style->bg_gc[state_type],
271 gtk_draw_diamond (widget->style, widget->window,
272 state_type, shadow_type,
273 x, y, width, height);