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 Lesser 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 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser 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.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gtktearoffmenuitem.h"
32 #define BORDER_SPACING 3
34 static void gtk_tearoff_menu_item_class_init (GtkTearoffMenuItemClass *klass);
35 static void gtk_tearoff_menu_item_init (GtkTearoffMenuItem *tearoff_menu_item);
36 static void gtk_tearoff_menu_item_size_request (GtkWidget *widget,
37 GtkRequisition *requisition);
38 static gint gtk_tearoff_menu_item_expose (GtkWidget *widget,
39 GdkEventExpose *event);
40 static void gtk_tearoff_menu_item_activate (GtkMenuItem *menu_item);
41 static gint gtk_tearoff_menu_item_delete_cb (GtkMenuItem *menu_item,
45 gtk_tearoff_menu_item_get_type (void)
47 static GType tearoff_menu_item_type = 0;
49 if (!tearoff_menu_item_type)
51 static const GTypeInfo tearoff_menu_item_info =
53 sizeof (GtkTearoffMenuItemClass),
55 NULL, /* base_finalize */
56 (GClassInitFunc) gtk_tearoff_menu_item_class_init,
57 NULL, /* class_finalize */
58 NULL, /* class_data */
59 sizeof (GtkTearoffMenuItem),
61 (GInstanceInitFunc) gtk_tearoff_menu_item_init,
64 tearoff_menu_item_type =
65 g_type_register_static (GTK_TYPE_MENU_ITEM, "GtkTearoffMenuItem",
66 &tearoff_menu_item_info, 0);
69 return tearoff_menu_item_type;
73 gtk_tearoff_menu_item_new (void)
75 return g_object_new (GTK_TYPE_TEAROFF_MENU_ITEM, NULL);
79 gtk_tearoff_menu_item_class_init (GtkTearoffMenuItemClass *klass)
81 GtkObjectClass *object_class;
82 GtkWidgetClass *widget_class;
83 GtkMenuItemClass *menu_item_class;
85 object_class = (GtkObjectClass*) klass;
86 widget_class = (GtkWidgetClass*) klass;
87 menu_item_class = (GtkMenuItemClass*) klass;
89 widget_class->expose_event = gtk_tearoff_menu_item_expose;
90 widget_class->size_request = gtk_tearoff_menu_item_size_request;
92 menu_item_class->activate = gtk_tearoff_menu_item_activate;
96 gtk_tearoff_menu_item_init (GtkTearoffMenuItem *tearoff_menu_item)
98 tearoff_menu_item->torn_off = FALSE;
102 gtk_tearoff_menu_item_size_request (GtkWidget *widget,
103 GtkRequisition *requisition)
105 GtkTearoffMenuItem *tearoff;
107 tearoff = GTK_TEAROFF_MENU_ITEM (widget);
109 requisition->width = (GTK_CONTAINER (widget)->border_width +
110 widget->style->xthickness +
112 requisition->height = (GTK_CONTAINER (widget)->border_width +
113 widget->style->ythickness) * 2;
115 if (tearoff->torn_off)
117 requisition->height += ARROW_SIZE;
121 requisition->height += widget->style->ythickness + 4;
126 gtk_tearoff_menu_item_paint (GtkWidget *widget,
129 GtkMenuItem *menu_item;
130 GtkTearoffMenuItem *tearoff_item;
131 GtkShadowType shadow_type;
135 GtkArrowType arrow_type;
136 GtkTextDirection direction;
138 if (GTK_WIDGET_DRAWABLE (widget))
140 menu_item = GTK_MENU_ITEM (widget);
141 tearoff_item = GTK_TEAROFF_MENU_ITEM (widget);
143 direction = gtk_widget_get_direction (widget);
145 x = widget->allocation.x + GTK_CONTAINER (menu_item)->border_width;
146 y = widget->allocation.y + GTK_CONTAINER (menu_item)->border_width;
147 width = widget->allocation.width - x * 2;
148 height = widget->allocation.height - y * 2;
149 right_max = x + width;
151 if (widget->state == GTK_STATE_PRELIGHT)
153 gint selected_shadow_type;
155 gtk_widget_style_get (widget,
156 "selected_shadow_type", &selected_shadow_type,
158 gtk_paint_box (widget->style,
161 selected_shadow_type,
162 area, widget, "menuitem",
163 x, y, width, height);
166 gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
168 if (tearoff_item->torn_off)
172 if (widget->state == GTK_STATE_PRELIGHT)
173 shadow_type = GTK_SHADOW_IN;
175 shadow_type = GTK_SHADOW_OUT;
177 if (menu_item->toggle_size > ARROW_SIZE)
179 if (direction == GTK_TEXT_DIR_LTR) {
180 arrow_x = x + (menu_item->toggle_size - ARROW_SIZE)/2;
181 arrow_type = GTK_ARROW_LEFT;
184 arrow_x = x + width - menu_item->toggle_size + (menu_item->toggle_size - ARROW_SIZE)/2;
185 arrow_type = GTK_ARROW_RIGHT;
187 x += menu_item->toggle_size + BORDER_SPACING;
191 if (direction == GTK_TEXT_DIR_LTR) {
192 arrow_x = ARROW_SIZE / 2;
193 arrow_type = GTK_ARROW_LEFT;
196 arrow_x = x + width - 2 * ARROW_SIZE + ARROW_SIZE / 2;
197 arrow_type = GTK_ARROW_RIGHT;
203 gtk_paint_arrow (widget->style, widget->window,
204 widget->state, shadow_type,
205 NULL, widget, "tearoffmenuitem",
207 arrow_x, y + height / 2 - 5,
208 ARROW_SIZE, ARROW_SIZE);
211 while (x < right_max)
215 if (direction == GTK_TEXT_DIR_LTR) {
217 x2 = MIN (x + TEAR_LENGTH, right_max);
221 x2 = MAX (right_max - x - TEAR_LENGTH, 0);
224 gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
225 NULL, widget, "tearoffmenuitem",
226 x1, x2, y + (height - widget->style->ythickness) / 2);
227 x += 2 * TEAR_LENGTH;
233 gtk_tearoff_menu_item_expose (GtkWidget *widget,
234 GdkEventExpose *event)
236 gtk_tearoff_menu_item_paint (widget, &event->area);
242 gtk_tearoff_menu_item_delete_cb (GtkMenuItem *menu_item, GdkEventAny *event)
244 gtk_tearoff_menu_item_activate (menu_item);
249 gtk_tearoff_menu_item_activate (GtkMenuItem *menu_item)
251 GtkTearoffMenuItem *tearoff_menu_item = GTK_TEAROFF_MENU_ITEM (menu_item);
253 tearoff_menu_item->torn_off = !tearoff_menu_item->torn_off;
254 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
256 if (GTK_IS_MENU (GTK_WIDGET (menu_item)->parent))
258 GtkMenu *menu = GTK_MENU (GTK_WIDGET (menu_item)->parent);
259 gboolean need_connect;
261 need_connect = (tearoff_menu_item->torn_off && !menu->tearoff_window);
263 gtk_menu_set_tearoff_state (GTK_MENU (GTK_WIDGET (menu_item)->parent),
264 tearoff_menu_item->torn_off);
267 g_signal_connect_swapped (menu->tearoff_window,
269 G_CALLBACK (gtk_tearoff_menu_item_delete_cb),