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.
19 #include "gtkaccellabel.h"
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 (void)
33 static GtkType 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,
44 /* reversed_1 */ NULL,
45 /* reversed_2 */ NULL,
46 (GtkClassInitFunc) NULL,
49 radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
52 return radio_menu_item_type;
56 gtk_radio_menu_item_new (GSList *group)
58 GtkRadioMenuItem *radio_menu_item;
60 radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
62 gtk_radio_menu_item_set_group (radio_menu_item, group);
64 return GTK_WIDGET (radio_menu_item);
68 gtk_radio_menu_item_set_group (GtkRadioMenuItem *radio_menu_item,
71 g_return_if_fail (radio_menu_item != NULL);
72 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item));
73 g_return_if_fail (!g_slist_find (group, radio_menu_item));
75 if (radio_menu_item->group)
79 radio_menu_item->group = g_slist_remove (radio_menu_item->group, radio_menu_item);
81 for (slist = radio_menu_item->group; slist; slist = slist->next)
83 GtkRadioMenuItem *tmp_item;
85 tmp_item = slist->data;
87 tmp_item->group = radio_menu_item->group;
91 radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
97 for (slist = group; slist; slist = slist->next)
99 GtkRadioMenuItem *tmp_item;
101 tmp_item = slist->data;
103 tmp_item->group = radio_menu_item->group;
108 GTK_CHECK_MENU_ITEM (radio_menu_item)->active = TRUE;
109 /* gtk_widget_set_state (GTK_WIDGET (radio_menu_item), GTK_STATE_ACTIVE);
115 gtk_radio_menu_item_new_with_label (GSList *group,
118 GtkWidget *radio_menu_item;
119 GtkWidget *accel_label;
121 radio_menu_item = gtk_radio_menu_item_new (group);
122 accel_label = gtk_accel_label_new (label);
123 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
124 gtk_container_add (GTK_CONTAINER (radio_menu_item), accel_label);
125 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), radio_menu_item);
126 gtk_widget_show (accel_label);
128 return radio_menu_item;
132 gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
134 g_return_val_if_fail (radio_menu_item != NULL, NULL);
135 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
137 return radio_menu_item->group;
142 gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
144 GtkMenuItemClass *menu_item_class;
145 GtkCheckMenuItemClass *check_menu_item_class;
147 menu_item_class = (GtkMenuItemClass*) klass;
148 check_menu_item_class = (GtkCheckMenuItemClass*) klass;
150 menu_item_class->activate = gtk_radio_menu_item_activate;
152 check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
156 gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
158 radio_menu_item->group = g_slist_prepend (NULL, radio_menu_item);
162 gtk_radio_menu_item_activate (GtkMenuItem *menu_item)
164 GtkRadioMenuItem *radio_menu_item;
165 GtkCheckMenuItem *check_menu_item;
166 GtkCheckMenuItem *tmp_menu_item;
170 g_return_if_fail (menu_item != NULL);
171 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
173 radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
174 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
177 if (check_menu_item->active)
179 tmp_menu_item = NULL;
180 tmp_list = radio_menu_item->group;
184 tmp_menu_item = tmp_list->data;
185 tmp_list = tmp_list->next;
187 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
190 tmp_menu_item = NULL;
196 check_menu_item->active = !check_menu_item->active;
202 check_menu_item->active = !check_menu_item->active;
204 tmp_list = radio_menu_item->group;
207 tmp_menu_item = tmp_list->data;
208 tmp_list = tmp_list->next;
210 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
212 gtk_menu_item_activate (GTK_MENU_ITEM (tmp_menu_item));
219 gtk_check_menu_item_toggled (check_menu_item);
220 gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
224 gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
228 GtkStateType state_type;
229 GtkShadowType shadow_type;
234 g_return_if_fail (check_menu_item != NULL);
235 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
237 if (GTK_WIDGET_DRAWABLE (check_menu_item))
239 widget = GTK_WIDGET (check_menu_item);
243 x = (GTK_CONTAINER (check_menu_item)->border_width +
244 widget->style->klass->xthickness + 2);
245 y = (widget->allocation.height - height) / 2;
247 gdk_window_clear_area (widget->window, x, y, width, height);
249 if (check_menu_item->active ||
250 check_menu_item->always_show_toggle ||
251 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
253 state_type = GTK_WIDGET_STATE (widget);
254 if (check_menu_item->active ||
255 !check_menu_item->always_show_toggle)
256 shadow_type = GTK_SHADOW_IN;
258 shadow_type = GTK_SHADOW_OUT;
260 pts[0].x = x + width / 2;
262 pts[1].x = x + width;
263 pts[1].y = y + height / 2;
265 pts[2].y = y + height;
269 gdk_draw_polygon (widget->window,
270 widget->style->bg_gc[state_type],
272 gtk_draw_diamond (widget->style, widget->window,
273 state_type, shadow_type,
274 x, y, width, height);