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 Lesser 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 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser 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 1997-2000. 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 "gtkcheckmenuitem.h"
28 #include "gtkaccellabel.h"
29 #include "gtksignal.h"
31 #define CHECK_TOGGLE_SIZE 12
39 static void gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass);
40 static void gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item);
41 static gint gtk_check_menu_item_expose (GtkWidget *widget,
42 GdkEventExpose *event);
43 static void gtk_check_menu_item_activate (GtkMenuItem *menu_item);
44 static void gtk_check_menu_item_toggle_size_request (GtkMenuItem *menu_item,
45 guint16 *requisition);
46 static void gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
48 static void gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
52 static GtkMenuItemClass *parent_class = NULL;
53 static guint check_menu_item_signals[LAST_SIGNAL] = { 0 };
57 gtk_check_menu_item_get_type (void)
59 static GtkType check_menu_item_type = 0;
61 if (!check_menu_item_type)
63 static const GtkTypeInfo check_menu_item_info =
66 sizeof (GtkCheckMenuItem),
67 sizeof (GtkCheckMenuItemClass),
68 (GtkClassInitFunc) gtk_check_menu_item_class_init,
69 (GtkObjectInitFunc) gtk_check_menu_item_init,
70 /* reserved_1 */ NULL,
71 /* reserved_2 */ NULL,
72 (GtkClassInitFunc) NULL,
75 check_menu_item_type = gtk_type_unique (GTK_TYPE_MENU_ITEM, &check_menu_item_info);
78 return check_menu_item_type;
82 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
84 GtkObjectClass *object_class;
85 GtkWidgetClass *widget_class;
86 GtkMenuItemClass *menu_item_class;
88 object_class = (GtkObjectClass*) klass;
89 widget_class = (GtkWidgetClass*) klass;
90 menu_item_class = (GtkMenuItemClass*) klass;
92 parent_class = gtk_type_class (GTK_TYPE_MENU_ITEM);
94 widget_class->expose_event = gtk_check_menu_item_expose;
96 menu_item_class->activate = gtk_check_menu_item_activate;
97 menu_item_class->hide_on_activate = FALSE;
98 menu_item_class->toggle_size_request = gtk_check_menu_item_toggle_size_request;
100 klass->toggled = NULL;
101 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
103 check_menu_item_signals[TOGGLED] =
104 gtk_signal_new ("toggled",
106 GTK_CLASS_TYPE (object_class),
107 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
108 gtk_marshal_VOID__VOID,
110 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
114 gtk_check_menu_item_new (void)
116 return GTK_WIDGET (gtk_type_new (GTK_TYPE_CHECK_MENU_ITEM));
120 gtk_check_menu_item_new_with_label (const gchar *label)
122 GtkWidget *check_menu_item;
123 GtkWidget *accel_label;
125 check_menu_item = gtk_check_menu_item_new ();
126 accel_label = gtk_accel_label_new (label);
127 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
129 gtk_container_add (GTK_CONTAINER (check_menu_item), accel_label);
130 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), check_menu_item);
131 gtk_widget_show (accel_label);
133 return check_menu_item;
137 gtk_check_menu_item_set_active (GtkCheckMenuItem *check_menu_item,
140 g_return_if_fail (check_menu_item != NULL);
141 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
143 is_active = is_active != 0;
145 if (check_menu_item->active != is_active)
146 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
150 gtk_check_menu_item_toggle_size_request (GtkMenuItem *menu_item,
151 guint16 *requisition)
153 g_return_if_fail (menu_item != NULL);
154 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
156 *requisition = CHECK_TOGGLE_SIZE;
160 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
163 g_return_if_fail (menu_item != NULL);
164 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
167 menu_item->always_show_toggle = always != FALSE;
172 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
174 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
178 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
180 check_menu_item->active = FALSE;
181 check_menu_item->always_show_toggle = TRUE;
185 gtk_check_menu_item_expose (GtkWidget *widget,
186 GdkEventExpose *event)
188 g_return_val_if_fail (widget != NULL, FALSE);
189 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
190 g_return_val_if_fail (event != NULL, FALSE);
192 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
193 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
195 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
201 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
203 GtkCheckMenuItem *check_menu_item;
205 g_return_if_fail (menu_item != NULL);
206 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
208 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
209 check_menu_item->active = !check_menu_item->active;
211 gtk_check_menu_item_toggled (check_menu_item);
212 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
216 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
219 g_return_if_fail (check_menu_item != NULL);
220 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
221 g_return_if_fail (GTK_CHECK_MENU_ITEM_GET_CLASS (check_menu_item) != NULL);
223 if (GTK_CHECK_MENU_ITEM_GET_CLASS (check_menu_item)->draw_indicator)
224 (* GTK_CHECK_MENU_ITEM_GET_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
228 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
232 GtkStateType state_type;
233 GtkShadowType shadow_type;
237 g_return_if_fail (check_menu_item != NULL);
238 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
240 if (GTK_WIDGET_DRAWABLE (check_menu_item))
242 widget = GTK_WIDGET (check_menu_item);
246 x = (GTK_CONTAINER (check_menu_item)->border_width +
247 widget->style->xthickness + 2);
248 y = (widget->allocation.height - height) / 2;
250 if (check_menu_item->active ||
251 check_menu_item->always_show_toggle ||
252 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
254 state_type = GTK_WIDGET_STATE (widget);
256 if (check_menu_item->always_show_toggle)
258 shadow_type = GTK_SHADOW_OUT;
259 if (check_menu_item->active)
260 shadow_type = GTK_SHADOW_IN;
264 shadow_type = GTK_SHADOW_IN;
265 if (check_menu_item->active &&
266 (state_type == GTK_STATE_PRELIGHT))
267 shadow_type = GTK_SHADOW_OUT;
270 gtk_paint_check (widget->style, widget->window,
271 state_type, shadow_type,
272 area, widget, "check",
273 x, y, width, height);