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 "gtkcheckmenuitem.h"
20 #include "gtkaccellabel.h"
21 #include "gtksignal.h"
24 #define CHECK_MENU_ITEM_CLASS(w) GTK_CHECK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
33 static void gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass);
34 static void gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item);
35 static void gtk_check_menu_item_draw (GtkWidget *widget,
37 static gint gtk_check_menu_item_expose (GtkWidget *widget,
38 GdkEventExpose *event);
39 static void gtk_check_menu_item_activate (GtkMenuItem *menu_item);
40 static void gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
42 static void gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
46 static GtkMenuItemClass *parent_class = NULL;
47 static guint check_menu_item_signals[LAST_SIGNAL] = { 0 };
51 gtk_check_menu_item_get_type (void)
53 static GtkType check_menu_item_type = 0;
55 if (!check_menu_item_type)
57 static const GtkTypeInfo check_menu_item_info =
60 sizeof (GtkCheckMenuItem),
61 sizeof (GtkCheckMenuItemClass),
62 (GtkClassInitFunc) gtk_check_menu_item_class_init,
63 (GtkObjectInitFunc) gtk_check_menu_item_init,
64 /* reserved_1 */ NULL,
65 /* reserved_2 */ NULL,
66 (GtkClassInitFunc) NULL,
69 check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
72 return check_menu_item_type;
76 gtk_check_menu_item_new (void)
78 return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
82 gtk_check_menu_item_new_with_label (const gchar *label)
84 GtkWidget *check_menu_item;
85 GtkWidget *accel_label;
87 check_menu_item = gtk_check_menu_item_new ();
88 accel_label = gtk_accel_label_new (label);
89 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
91 gtk_container_add (GTK_CONTAINER (check_menu_item), accel_label);
92 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), check_menu_item);
93 gtk_widget_show (accel_label);
95 return check_menu_item;
99 gtk_check_menu_item_set_active (GtkCheckMenuItem *check_menu_item,
102 g_return_if_fail (check_menu_item != NULL);
103 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
105 is_active = is_active != 0;
107 if (check_menu_item->active != is_active)
108 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
112 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
115 g_return_if_fail (menu_item != NULL);
116 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
118 menu_item->always_show_toggle = always != FALSE;
122 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
124 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
128 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
130 GtkObjectClass *object_class;
131 GtkWidgetClass *widget_class;
132 GtkMenuItemClass *menu_item_class;
134 object_class = (GtkObjectClass*) klass;
135 widget_class = (GtkWidgetClass*) klass;
136 menu_item_class = (GtkMenuItemClass*) klass;
138 parent_class = gtk_type_class (gtk_menu_item_get_type ());
140 check_menu_item_signals[TOGGLED] =
141 gtk_signal_new ("toggled",
144 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
145 gtk_marshal_NONE__NONE,
148 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
150 widget_class->draw = gtk_check_menu_item_draw;
151 widget_class->expose_event = gtk_check_menu_item_expose;
153 menu_item_class->activate = gtk_check_menu_item_activate;
154 menu_item_class->toggle_size = 12;
156 menu_item_class->hide_on_activate = FALSE;
158 klass->toggled = NULL;
159 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
163 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
165 check_menu_item->active = FALSE;
166 check_menu_item->always_show_toggle = FALSE;
170 gtk_check_menu_item_draw (GtkWidget *widget,
173 g_return_if_fail (widget != NULL);
174 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
175 g_return_if_fail (area != NULL);
177 if (GTK_WIDGET_CLASS (parent_class)->draw)
178 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
180 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
184 gtk_check_menu_item_expose (GtkWidget *widget,
185 GdkEventExpose *event)
187 g_return_val_if_fail (widget != NULL, FALSE);
188 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
189 g_return_val_if_fail (event != NULL, FALSE);
191 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
192 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
194 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
200 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
202 GtkCheckMenuItem *check_menu_item;
204 g_return_if_fail (menu_item != NULL);
205 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
207 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
208 check_menu_item->active = !check_menu_item->active;
210 gtk_check_menu_item_toggled (check_menu_item);
211 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
215 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
218 g_return_if_fail (check_menu_item != NULL);
219 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
220 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
222 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
223 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
227 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
231 GtkStateType state_type;
232 GtkShadowType shadow_type;
236 g_return_if_fail (check_menu_item != NULL);
237 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
239 if (GTK_WIDGET_DRAWABLE (check_menu_item))
241 widget = GTK_WIDGET (check_menu_item);
245 x = (GTK_CONTAINER (check_menu_item)->border_width +
246 widget->style->klass->xthickness + 2);
247 y = (widget->allocation.height - height) / 2;
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);
255 if (check_menu_item->always_show_toggle)
257 shadow_type = GTK_SHADOW_OUT;
258 if (check_menu_item->active)
259 shadow_type = GTK_SHADOW_IN;
263 shadow_type = GTK_SHADOW_IN;
264 if (check_menu_item->active &&
265 (state_type == GTK_STATE_PRELIGHT))
266 shadow_type = GTK_SHADOW_OUT;
269 gtk_paint_check (widget->style, widget->window,
270 state_type, shadow_type,
271 area, widget, "check",
272 x, y, width, height);