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"
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 ()
53 static guint 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,
68 check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
71 return check_menu_item_type;
75 gtk_check_menu_item_new ()
77 return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
81 gtk_check_menu_item_new_with_label (const gchar *label)
83 GtkWidget *check_menu_item;
84 GtkWidget *label_widget;
86 check_menu_item = gtk_check_menu_item_new ();
87 label_widget = gtk_label_new (label);
88 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
90 gtk_container_add (GTK_CONTAINER (check_menu_item), label_widget);
91 gtk_widget_show (label_widget);
93 return check_menu_item;
97 gtk_check_menu_item_set_state (GtkCheckMenuItem *check_menu_item,
100 g_return_if_fail (check_menu_item != NULL);
101 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
103 if (check_menu_item->active != state)
104 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
108 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
111 g_return_if_fail (menu_item != NULL);
112 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
114 menu_item->always_show_toggle = always != FALSE;
118 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
120 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
124 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
126 GtkObjectClass *object_class;
127 GtkWidgetClass *widget_class;
128 GtkMenuItemClass *menu_item_class;
130 object_class = (GtkObjectClass*) klass;
131 widget_class = (GtkWidgetClass*) klass;
132 menu_item_class = (GtkMenuItemClass*) klass;
134 parent_class = gtk_type_class (gtk_menu_item_get_type ());
136 check_menu_item_signals[TOGGLED] =
137 gtk_signal_new ("toggled",
140 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
141 gtk_signal_default_marshaller,
144 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
146 widget_class->draw = gtk_check_menu_item_draw;
147 widget_class->expose_event = gtk_check_menu_item_expose;
149 menu_item_class->activate = gtk_check_menu_item_activate;
150 menu_item_class->toggle_size = 12;
152 klass->toggled = NULL;
153 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
157 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
159 check_menu_item->active = FALSE;
160 check_menu_item->always_show_toggle = FALSE;
164 gtk_check_menu_item_draw (GtkWidget *widget,
167 g_return_if_fail (widget != NULL);
168 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
169 g_return_if_fail (area != NULL);
171 if (GTK_WIDGET_CLASS (parent_class)->draw)
172 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
174 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
178 gtk_check_menu_item_expose (GtkWidget *widget,
179 GdkEventExpose *event)
181 g_return_val_if_fail (widget != NULL, FALSE);
182 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
183 g_return_val_if_fail (event != NULL, FALSE);
185 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
186 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
188 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
194 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
196 GtkCheckMenuItem *check_menu_item;
198 g_return_if_fail (menu_item != NULL);
199 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
201 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
202 check_menu_item->active = !check_menu_item->active;
204 gtk_check_menu_item_toggled (check_menu_item);
205 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
209 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
212 g_return_if_fail (check_menu_item != NULL);
213 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
214 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
216 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
217 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
221 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
225 GtkStateType state_type;
226 GtkShadowType shadow_type;
230 g_return_if_fail (check_menu_item != NULL);
231 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
233 if (GTK_WIDGET_DRAWABLE (check_menu_item))
235 widget = GTK_WIDGET (check_menu_item);
239 x = (GTK_CONTAINER (check_menu_item)->border_width +
240 widget->style->klass->xthickness + 2);
241 y = (widget->allocation.height - height) / 2;
243 gdk_window_clear_area (widget->window, x, y, width, height);
245 if (check_menu_item->active ||
246 check_menu_item->always_show_toggle ||
247 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
249 state_type = GTK_WIDGET_STATE (widget);
251 if (check_menu_item->always_show_toggle)
253 shadow_type = GTK_SHADOW_OUT;
254 if (check_menu_item->active)
255 shadow_type = GTK_SHADOW_IN;
259 shadow_type = GTK_SHADOW_IN;
260 if (check_menu_item->active &&
261 (state_type == GTK_STATE_PRELIGHT))
262 shadow_type = GTK_SHADOW_OUT;
265 gdk_draw_rectangle (widget->window,
266 widget->style->bg_gc[state_type],
267 TRUE, x, y, width, height);
268 gtk_draw_shadow (widget->style, widget->window,
269 state_type, shadow_type,
270 x, y, width, height);