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.
21 * Modified by the GTK+ Team and others 1997-1999. 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/.
27 #include "gtksignal.h"
28 #include "gtkinvisible.h"
30 static void gtk_invisible_class_init (GtkInvisibleClass *klass);
31 static void gtk_invisible_init (GtkInvisible *invisible);
32 static void gtk_invisible_realize (GtkWidget *widget);
33 static void gtk_invisible_show (GtkWidget *widget);
34 static void gtk_invisible_size_allocate (GtkWidget *widget,
35 GtkAllocation *allocation);
38 gtk_invisible_get_type (void)
40 static GtkType invisible_type = 0;
44 static const GtkTypeInfo invisible_info =
47 sizeof (GtkInvisible),
48 sizeof (GtkInvisibleClass),
49 (GtkClassInitFunc) gtk_invisible_class_init,
50 (GtkObjectInitFunc) gtk_invisible_init,
51 /* reserved_1 */ NULL,
52 /* reserved_2 */ NULL,
53 (GtkClassInitFunc) NULL,
56 invisible_type = gtk_type_unique (GTK_TYPE_WIDGET, &invisible_info);
59 return invisible_type;
63 gtk_invisible_class_init (GtkInvisibleClass *class)
65 GtkWidgetClass *widget_class;
67 widget_class = (GtkWidgetClass*) class;
69 widget_class->realize = gtk_invisible_realize;
70 widget_class->show = gtk_invisible_show;
71 widget_class->size_allocate = gtk_invisible_size_allocate;
75 gtk_invisible_init (GtkInvisible *invisible)
77 GTK_WIDGET_UNSET_FLAGS (invisible, GTK_NO_WINDOW);
79 gtk_widget_ref (GTK_WIDGET (invisible));
80 gtk_object_sink (GTK_OBJECT (invisible));
84 gtk_invisible_new (void)
86 return GTK_WIDGET (gtk_type_new (GTK_TYPE_INVISIBLE));
90 gtk_invisible_realize (GtkWidget *widget)
92 GdkWindowAttr attributes;
95 g_return_if_fail (widget != NULL);
96 g_return_if_fail (GTK_IS_INVISIBLE (widget));
98 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
102 attributes.width = 10;
103 attributes.height = 10;
104 attributes.window_type = GDK_WINDOW_TEMP;
105 attributes.wclass = GDK_INPUT_ONLY;
106 attributes.override_redirect = TRUE;
107 attributes.event_mask = gtk_widget_get_events (widget);
109 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
111 widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
112 gdk_window_set_user_data (widget->window, widget);
116 gtk_invisible_show (GtkWidget *widget)
118 g_return_if_fail (widget != NULL);
120 GTK_WIDGET_SET_FLAGS (widget, GTK_VISIBLE);
121 gtk_widget_map (widget);
125 gtk_invisible_size_allocate (GtkWidget *widget,
126 GtkAllocation *allocation)
128 widget->allocation = *allocation;