1/* GTK - The GIMP Toolkit
2 * gtksizegroup.h:
3 * Copyright (C) 2000 Red Hat Software
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
19 */
20
21#ifndef __GTK_SIZE_GROUP_H__
22#define __GTK_SIZE_GROUP_H__
23
24#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
25#error "Only <gtk/gtk.h> can be included directly."
26#endif
27
28#include <gtk/gtkwidget.h>
29
30G_BEGIN_DECLS
31
32#define GTK_TYPE_SIZE_GROUP (gtk_size_group_get_type ())
33#define GTK_SIZE_GROUP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SIZE_GROUP, GtkSizeGroup))
34#define GTK_SIZE_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SIZE_GROUP, GtkSizeGroupClass))
35#define GTK_IS_SIZE_GROUP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SIZE_GROUP))
36#define GTK_IS_SIZE_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SIZE_GROUP))
37#define GTK_SIZE_GROUP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SIZE_GROUP, GtkSizeGroupClass))
38
39
40typedef struct _GtkSizeGroup GtkSizeGroup;
41typedef struct _GtkSizeGroupClass GtkSizeGroupClass;
42
43struct _GtkSizeGroup
44{
45 GObject parent_instance;
46
47 /* <private> */
48 GSList *GSEAL (widgets);
49
50 guint8 GSEAL (mode);
51
52 guint GSEAL (have_width) : 1;
53 guint GSEAL (have_height) : 1;
54 guint GSEAL (ignore_hidden) : 1;
55
56 GtkRequisition GSEAL (requisition);
57};
58
59struct _GtkSizeGroupClass
60{
61 GObjectClass parent_class;
62
63 /* Padding for future expansion */
64 void (*_gtk_reserved1) (void);
65 void (*_gtk_reserved2) (void);
66 void (*_gtk_reserved3) (void);
67 void (*_gtk_reserved4) (void);
68};
69
70/**
71 * GtkSizeGroupMode:
72 * @GTK_SIZE_GROUP_NONE: group has no effect
73 * @GTK_SIZE_GROUP_HORIZONTAL: group affects horizontal requisition
74 * @GTK_SIZE_GROUP_VERTICAL: group affects vertical requisition
75 * @GTK_SIZE_GROUP_BOTH: group affects both horizontal and vertical requisition
76 *
77 * The mode of the size group determines the directions in which the size
78 * group affects the requested sizes of its component widgets.
79 **/
80typedef enum {
81 GTK_SIZE_GROUP_NONE,
82 GTK_SIZE_GROUP_HORIZONTAL,
83 GTK_SIZE_GROUP_VERTICAL,
84 GTK_SIZE_GROUP_BOTH
85} GtkSizeGroupMode;
86
87GType gtk_size_group_get_type (void) G_GNUC_CONST;
88
89GtkSizeGroup * gtk_size_group_new (GtkSizeGroupMode mode);
90void gtk_size_group_set_mode (GtkSizeGroup *size_group,
91 GtkSizeGroupMode mode);
92GtkSizeGroupMode gtk_size_group_get_mode (GtkSizeGroup *size_group);
93void gtk_size_group_set_ignore_hidden (GtkSizeGroup *size_group,
94 gboolean ignore_hidden);
95gboolean gtk_size_group_get_ignore_hidden (GtkSizeGroup *size_group);
96void gtk_size_group_add_widget (GtkSizeGroup *size_group,
97 GtkWidget *widget);
98void gtk_size_group_remove_widget (GtkSizeGroup *size_group,
99 GtkWidget *widget);
100GSList * gtk_size_group_get_widgets (GtkSizeGroup *size_group);
101
102
103void _gtk_size_group_get_child_requisition (GtkWidget *widget,
104 GtkRequisition *requisition);
105void _gtk_size_group_compute_requisition (GtkWidget *widget,
106 GtkRequisition *requisition);
107void _gtk_size_group_queue_resize (GtkWidget *widget);
108
109G_END_DECLS
110
111#endif /* __GTK_SIZE_GROUP_H__ */
112