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 Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #include "gtkradiomenuitem.h"
22 static void gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass);
23 static void gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item);
24 static void gtk_radio_menu_item_activate (GtkMenuItem *menu_item);
25 static void gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
30 gtk_radio_menu_item_get_type ()
32 static guint radio_menu_item_type = 0;
34 if (!radio_menu_item_type)
36 GtkTypeInfo radio_menu_item_info =
39 sizeof (GtkRadioMenuItem),
40 sizeof (GtkRadioMenuItemClass),
41 (GtkClassInitFunc) gtk_radio_menu_item_class_init,
42 (GtkObjectInitFunc) gtk_radio_menu_item_init,
46 radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
49 return radio_menu_item_type;
53 gtk_radio_menu_item_new (GSList *group)
55 GtkRadioMenuItem *radio_menu_item;
56 GtkRadioMenuItem *tmp_menu_item;
59 radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
62 radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
68 tmp_menu_item = tmp_list->data;
69 tmp_list = tmp_list->next;
71 tmp_menu_item->group = radio_menu_item->group;
76 GTK_CHECK_MENU_ITEM (radio_menu_item)->active = TRUE;
79 return GTK_WIDGET (radio_menu_item);
83 gtk_radio_menu_item_new_with_label (GSList *group,
86 GtkWidget *radio_menu_item;
87 GtkWidget *label_widget;
89 radio_menu_item = gtk_radio_menu_item_new (group);
90 label_widget = gtk_label_new (label);
91 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
93 gtk_container_add (GTK_CONTAINER (radio_menu_item), label_widget);
94 gtk_widget_show (label_widget);
96 return radio_menu_item;
100 gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
102 g_return_val_if_fail (radio_menu_item != NULL, NULL);
103 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
105 return radio_menu_item->group;
110 gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
112 GtkMenuItemClass *menu_item_class;
113 GtkCheckMenuItemClass *check_menu_item_class;
115 menu_item_class = (GtkMenuItemClass*) klass;
116 check_menu_item_class = (GtkCheckMenuItemClass*) klass;
118 menu_item_class->activate = gtk_radio_menu_item_activate;
120 check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
124 gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
126 radio_menu_item->group = NULL;
130 gtk_radio_menu_item_activate (GtkMenuItem *menu_item)
132 GtkRadioMenuItem *radio_menu_item;
133 GtkCheckMenuItem *check_menu_item;
134 GtkCheckMenuItem *tmp_menu_item;
138 g_return_if_fail (menu_item != NULL);
139 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
141 radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
142 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
145 if (check_menu_item->active)
147 tmp_menu_item = NULL;
148 tmp_list = radio_menu_item->group;
152 tmp_menu_item = tmp_list->data;
153 tmp_list = tmp_list->next;
155 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
158 tmp_menu_item = NULL;
164 check_menu_item->active = !check_menu_item->active;
170 check_menu_item->active = !check_menu_item->active;
172 tmp_list = radio_menu_item->group;
175 tmp_menu_item = tmp_list->data;
176 tmp_list = tmp_list->next;
178 if (tmp_menu_item->active && (tmp_menu_item != check_menu_item))
180 gtk_menu_item_activate (GTK_MENU_ITEM (tmp_menu_item));
187 gtk_check_menu_item_toggled (check_menu_item);
188 gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
192 gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
196 GtkStateType state_type;
197 GtkShadowType shadow_type;
202 g_return_if_fail (check_menu_item != NULL);
203 g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
205 if (GTK_WIDGET_DRAWABLE (check_menu_item))
207 widget = GTK_WIDGET (check_menu_item);
211 x = (GTK_CONTAINER (check_menu_item)->border_width +
212 widget->style->klass->xthickness + 2);
213 y = (widget->allocation.height - height) / 2;
215 gdk_window_clear_area (widget->window, x, y, width, height);
217 if (check_menu_item->active ||
218 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
220 state_type = GTK_WIDGET_STATE (widget);
221 shadow_type = GTK_SHADOW_IN;
223 pts[0].x = x + width / 2;
225 pts[1].x = x + width;
226 pts[1].y = y + height / 2;
228 pts[2].y = y + height;
232 gdk_draw_polygon (widget->window,
233 widget->style->bg_gc[state_type],
235 gtk_draw_diamond (widget->style, widget->window,
236 state_type, shadow_type,
237 x, y, width, height);