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.
18 #include "gtkcheckmenuitem.h"
20 #include "gtksignal.h"
23 #define CHECK_MENU_ITEM_CLASS(w) GTK_CHECK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
32 static void gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass);
33 static void gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item);
34 static void gtk_check_menu_item_draw (GtkWidget *widget,
36 static gint gtk_check_menu_item_expose (GtkWidget *widget,
37 GdkEventExpose *event);
38 static void gtk_check_menu_item_activate (GtkMenuItem *menu_item);
39 static void gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
41 static void gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
45 static GtkMenuItemClass *parent_class = NULL;
46 static gint check_menu_item_signals[LAST_SIGNAL] = { 0 };
50 gtk_check_menu_item_get_type ()
52 static guint check_menu_item_type = 0;
54 if (!check_menu_item_type)
56 GtkTypeInfo check_menu_item_info =
59 sizeof (GtkCheckMenuItem),
60 sizeof (GtkCheckMenuItemClass),
61 (GtkClassInitFunc) gtk_check_menu_item_class_init,
62 (GtkObjectInitFunc) gtk_check_menu_item_init,
66 check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
69 return check_menu_item_type;
73 gtk_check_menu_item_new ()
75 return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
79 gtk_check_menu_item_new_with_label (const gchar *label)
81 GtkWidget *check_menu_item;
82 GtkWidget *label_widget;
84 check_menu_item = gtk_check_menu_item_new ();
85 label_widget = gtk_label_new (label);
86 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
88 gtk_container_add (GTK_CONTAINER (check_menu_item), label_widget);
89 gtk_widget_show (label_widget);
91 return check_menu_item;
95 gtk_check_menu_item_set_state (GtkCheckMenuItem *check_menu_item,
98 g_return_if_fail (check_menu_item != NULL);
99 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
101 if (check_menu_item->active != state)
102 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
106 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
109 g_return_if_fail (menu_item != NULL);
110 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
112 menu_item->always_show_toggle = always != FALSE;
116 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
118 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
122 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
124 GtkObjectClass *object_class;
125 GtkWidgetClass *widget_class;
126 GtkMenuItemClass *menu_item_class;
128 object_class = (GtkObjectClass*) klass;
129 widget_class = (GtkWidgetClass*) klass;
130 menu_item_class = (GtkMenuItemClass*) klass;
132 parent_class = gtk_type_class (gtk_menu_item_get_type ());
134 check_menu_item_signals[TOGGLED] =
135 gtk_signal_new ("toggled",
138 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
139 gtk_signal_default_marshaller,
142 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
144 widget_class->draw = gtk_check_menu_item_draw;
145 widget_class->expose_event = gtk_check_menu_item_expose;
147 menu_item_class->activate = gtk_check_menu_item_activate;
148 menu_item_class->toggle_size = 12;
150 klass->toggled = NULL;
151 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
155 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
157 check_menu_item->active = FALSE;
158 check_menu_item->always_show_toggle = FALSE;
162 gtk_check_menu_item_draw (GtkWidget *widget,
165 g_return_if_fail (widget != NULL);
166 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
167 g_return_if_fail (area != NULL);
169 if (GTK_WIDGET_CLASS (parent_class)->draw)
170 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
172 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
176 gtk_check_menu_item_expose (GtkWidget *widget,
177 GdkEventExpose *event)
179 g_return_val_if_fail (widget != NULL, FALSE);
180 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
181 g_return_val_if_fail (event != NULL, FALSE);
183 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
184 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
186 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
192 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
194 GtkCheckMenuItem *check_menu_item;
196 g_return_if_fail (menu_item != NULL);
197 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
199 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
200 check_menu_item->active = !check_menu_item->active;
202 gtk_check_menu_item_toggled (check_menu_item);
203 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
207 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
210 g_return_if_fail (check_menu_item != NULL);
211 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
212 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
214 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
215 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
219 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
223 GtkStateType state_type;
224 GtkShadowType shadow_type;
228 g_return_if_fail (check_menu_item != NULL);
229 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
231 if (GTK_WIDGET_DRAWABLE (check_menu_item))
233 widget = GTK_WIDGET (check_menu_item);
237 x = (GTK_CONTAINER (check_menu_item)->border_width +
238 widget->style->klass->xthickness + 2);
239 y = (widget->allocation.height - height) / 2;
241 gdk_window_clear_area (widget->window, x, y, width, height);
243 if (check_menu_item->active ||
244 check_menu_item->always_show_toggle ||
245 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
247 state_type = GTK_WIDGET_STATE (widget);
249 if (check_menu_item->always_show_toggle)
251 shadow_type = GTK_SHADOW_OUT;
252 if (check_menu_item->active)
253 shadow_type = GTK_SHADOW_IN;
257 shadow_type = GTK_SHADOW_IN;
258 if (check_menu_item->active &&
259 (state_type == GTK_STATE_PRELIGHT))
260 shadow_type = GTK_SHADOW_OUT;
263 gdk_draw_rectangle (widget->window,
264 widget->style->bg_gc[state_type],
265 TRUE, x, y, width, height);
266 gtk_draw_shadow (widget->style, widget->window,
267 state_type, shadow_type,
268 x, y, width, height);