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,
67 check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
70 return check_menu_item_type;
74 gtk_check_menu_item_new ()
76 return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
80 gtk_check_menu_item_new_with_label (const gchar *label)
82 GtkWidget *check_menu_item;
83 GtkWidget *label_widget;
85 check_menu_item = gtk_check_menu_item_new ();
86 label_widget = gtk_label_new (label);
87 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
89 gtk_container_add (GTK_CONTAINER (check_menu_item), label_widget);
90 gtk_widget_show (label_widget);
92 return check_menu_item;
96 gtk_check_menu_item_set_state (GtkCheckMenuItem *check_menu_item,
99 g_return_if_fail (check_menu_item != NULL);
100 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
102 if (check_menu_item->active != state)
103 gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
107 gtk_check_menu_item_set_show_toggle (GtkCheckMenuItem *menu_item,
110 g_return_if_fail (menu_item != NULL);
111 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
113 menu_item->always_show_toggle = always != FALSE;
117 gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
119 gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
123 gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
125 GtkObjectClass *object_class;
126 GtkWidgetClass *widget_class;
127 GtkMenuItemClass *menu_item_class;
129 object_class = (GtkObjectClass*) klass;
130 widget_class = (GtkWidgetClass*) klass;
131 menu_item_class = (GtkMenuItemClass*) klass;
133 parent_class = gtk_type_class (gtk_menu_item_get_type ());
135 check_menu_item_signals[TOGGLED] =
136 gtk_signal_new ("toggled",
139 GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
140 gtk_signal_default_marshaller,
143 gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
145 widget_class->draw = gtk_check_menu_item_draw;
146 widget_class->expose_event = gtk_check_menu_item_expose;
148 menu_item_class->activate = gtk_check_menu_item_activate;
149 menu_item_class->toggle_size = 12;
151 klass->toggled = NULL;
152 klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
156 gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
158 check_menu_item->active = FALSE;
159 check_menu_item->always_show_toggle = FALSE;
163 gtk_check_menu_item_draw (GtkWidget *widget,
166 g_return_if_fail (widget != NULL);
167 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
168 g_return_if_fail (area != NULL);
170 if (GTK_WIDGET_CLASS (parent_class)->draw)
171 (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
173 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
177 gtk_check_menu_item_expose (GtkWidget *widget,
178 GdkEventExpose *event)
180 g_return_val_if_fail (widget != NULL, FALSE);
181 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
182 g_return_val_if_fail (event != NULL, FALSE);
184 if (GTK_WIDGET_CLASS (parent_class)->expose_event)
185 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
187 gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
193 gtk_check_menu_item_activate (GtkMenuItem *menu_item)
195 GtkCheckMenuItem *check_menu_item;
197 g_return_if_fail (menu_item != NULL);
198 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
200 check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
201 check_menu_item->active = !check_menu_item->active;
203 gtk_check_menu_item_toggled (check_menu_item);
204 gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
208 gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
211 g_return_if_fail (check_menu_item != NULL);
212 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
213 g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
215 if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
216 (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
220 gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
224 GtkStateType state_type;
225 GtkShadowType shadow_type;
229 g_return_if_fail (check_menu_item != NULL);
230 g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
232 if (GTK_WIDGET_DRAWABLE (check_menu_item))
234 widget = GTK_WIDGET (check_menu_item);
238 x = (GTK_CONTAINER (check_menu_item)->border_width +
239 widget->style->klass->xthickness + 2);
240 y = (widget->allocation.height - height) / 2;
242 gdk_window_clear_area (widget->window, x, y, width, height);
244 if (check_menu_item->active ||
245 check_menu_item->always_show_toggle ||
246 (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
248 state_type = GTK_WIDGET_STATE (widget);
250 if (check_menu_item->always_show_toggle)
252 shadow_type = GTK_SHADOW_OUT;
253 if (check_menu_item->active)
254 shadow_type = GTK_SHADOW_IN;
258 shadow_type = GTK_SHADOW_IN;
259 if (check_menu_item->active &&
260 (state_type == GTK_STATE_PRELIGHT))
261 shadow_type = GTK_SHADOW_OUT;
264 gdk_draw_rectangle (widget->window,
265 widget->style->bg_gc[state_type],
266 TRUE, x, y, width, height);
267 gtk_draw_shadow (widget->style, widget->window,
268 state_type, shadow_type,
269 x, y, width, height);