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 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 /* reversed_1 */ NULL,
65 /* reversed_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_state (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 if (check_menu_item->active != (state != 0))
106 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
110 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
113 g_return_if_fail (menu_item != NULL);
114 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
116 menu_item->always_show_toggle = always != FALSE;
120 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
122 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
126 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
128 GtkObjectClass *object_class;
129 GtkWidgetClass *widget_class;
130 GtkMenuItemClass *menu_item_class;
132 object_class = (GtkObjectClass*) klass;
133 widget_class = (GtkWidgetClass*) klass;
134 menu_item_class = (GtkMenuItemClass*) klass;
136 parent_class = gtk_type_class (gtk_menu_item_get_type ());
138 check_menu_item_signals[TOGGLED] =
139 gtk_signal_new ("toggled",
142 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
143 gtk_signal_default_marshaller,
146 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
148 widget_class->draw = gtk_check_menu_item_draw;
149 widget_class->expose_event = gtk_check_menu_item_expose;
151 menu_item_class->activate = gtk_check_menu_item_activate;
152 menu_item_class->toggle_size = 12;
154 klass->toggled = NULL;
155 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
159 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
161 check_menu_item->active = FALSE;
162 check_menu_item->always_show_toggle = FALSE;
166 gtk_check_menu_item_draw (GtkWidget *widget,
169 g_return_if_fail (widget != NULL);
170 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
171 g_return_if_fail (area != NULL);
173 if (GTK_WIDGET_CLASS (parent_class)->draw)
174 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
176 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
180 gtk_check_menu_item_expose (GtkWidget *widget,
181 GdkEventExpose *event)
183 g_return_val_if_fail (widget != NULL, FALSE);
184 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
185 g_return_val_if_fail (event != NULL, FALSE);
187 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
188 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
190 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
196 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
198 GtkCheckMenuItem *check_menu_item;
200 g_return_if_fail (menu_item != NULL);
201 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
203 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
204 check_menu_item->active = !check_menu_item->active;
206 gtk_check_menu_item_toggled (check_menu_item);
207 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
211 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
214 g_return_if_fail (check_menu_item != NULL);
215 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
216 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
218 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
219 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
223 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
227 GtkStateType state_type;
228 GtkShadowType shadow_type;
232 g_return_if_fail (check_menu_item != NULL);
233 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
235 if (GTK_WIDGET_DRAWABLE (check_menu_item))
237 widget = GTK_WIDGET (check_menu_item);
241 x = (GTK_CONTAINER (check_menu_item)->border_width +
242 widget->style->klass->xthickness + 2);
243 y = (widget->allocation.height - height) / 2;
245 gdk_window_clear_area (widget->window, x, y, width, height);
247 if (check_menu_item->active ||
248 check_menu_item->always_show_toggle ||
249 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
251 state_type = GTK_WIDGET_STATE (widget);
253 if (check_menu_item->always_show_toggle)
255 shadow_type = GTK_SHADOW_OUT;
256 if (check_menu_item->active)
257 shadow_type = GTK_SHADOW_IN;
261 shadow_type = GTK_SHADOW_IN;
262 if (check_menu_item->active &&
263 (state_type == GTK_STATE_PRELIGHT))
264 shadow_type = GTK_SHADOW_OUT;
267 gdk_draw_rectangle (widget->window,
268 widget->style->bg_gc[state_type],
269 TRUE, x, y, width, height);
270 gtk_draw_shadow (widget->style, widget->window,
271 state_type, shadow_type,
272 x, y, width, height);