1/* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
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.
8 *
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.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18/*
19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
23 */
24
25#ifndef __GTK_ADJUSTMENT_H__
26#define __GTK_ADJUSTMENT_H__
27
28#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
29#error "Only <gtk/gtk.h> can be included directly."
30#endif
31
32#include <gdk/gdk.h>
33#include <gtk/gtktypes.h>
34
35G_BEGIN_DECLS
36
37#define GTK_TYPE_ADJUSTMENT (gtk_adjustment_get_type ())
38#define GTK_ADJUSTMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustment))
39#define GTK_ADJUSTMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
40#define GTK_IS_ADJUSTMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ADJUSTMENT))
41#define GTK_IS_ADJUSTMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ADJUSTMENT))
42#define GTK_ADJUSTMENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
43
44
45typedef struct _GtkAdjustmentClass GtkAdjustmentClass;
46
47struct _GtkAdjustment
48{
49 GInitiallyUnowned parent_instance;
50};
51
52struct _GtkAdjustmentClass
53{
54 GInitiallyUnownedClass parent_class;
55
56 void (* changed) (GtkAdjustment *adjustment);
57 void (* value_changed) (GtkAdjustment *adjustment);
58
59 /* Padding for future expansion */
60 void (*_gtk_reserved1) (void);
61 void (*_gtk_reserved2) (void);
62 void (*_gtk_reserved3) (void);
63 void (*_gtk_reserved4) (void);
64};
65
66
67GDK_AVAILABLE_IN_ALL
68GType gtk_adjustment_get_type (void) G_GNUC_CONST;
69GDK_AVAILABLE_IN_ALL
70GtkAdjustment* gtk_adjustment_new (double value,
71 double lower,
72 double upper,
73 double step_increment,
74 double page_increment,
75 double page_size);
76
77GDK_AVAILABLE_IN_ALL
78void gtk_adjustment_clamp_page (GtkAdjustment *adjustment,
79 double lower,
80 double upper);
81
82GDK_AVAILABLE_IN_ALL
83double gtk_adjustment_get_value (GtkAdjustment *adjustment);
84GDK_AVAILABLE_IN_ALL
85void gtk_adjustment_set_value (GtkAdjustment *adjustment,
86 double value);
87GDK_AVAILABLE_IN_ALL
88double gtk_adjustment_get_lower (GtkAdjustment *adjustment);
89GDK_AVAILABLE_IN_ALL
90void gtk_adjustment_set_lower (GtkAdjustment *adjustment,
91 double lower);
92GDK_AVAILABLE_IN_ALL
93double gtk_adjustment_get_upper (GtkAdjustment *adjustment);
94GDK_AVAILABLE_IN_ALL
95void gtk_adjustment_set_upper (GtkAdjustment *adjustment,
96 double upper);
97GDK_AVAILABLE_IN_ALL
98double gtk_adjustment_get_step_increment (GtkAdjustment *adjustment);
99GDK_AVAILABLE_IN_ALL
100void gtk_adjustment_set_step_increment (GtkAdjustment *adjustment,
101 double step_increment);
102GDK_AVAILABLE_IN_ALL
103double gtk_adjustment_get_page_increment (GtkAdjustment *adjustment);
104GDK_AVAILABLE_IN_ALL
105void gtk_adjustment_set_page_increment (GtkAdjustment *adjustment,
106 double page_increment);
107GDK_AVAILABLE_IN_ALL
108double gtk_adjustment_get_page_size (GtkAdjustment *adjustment);
109GDK_AVAILABLE_IN_ALL
110void gtk_adjustment_set_page_size (GtkAdjustment *adjustment,
111 double page_size);
112
113GDK_AVAILABLE_IN_ALL
114void gtk_adjustment_configure (GtkAdjustment *adjustment,
115 double value,
116 double lower,
117 double upper,
118 double step_increment,
119 double page_increment,
120 double page_size);
121GDK_AVAILABLE_IN_ALL
122double gtk_adjustment_get_minimum_increment (GtkAdjustment *adjustment);
123
124G_END_DECLS
125
126#endif /* __GTK_ADJUSTMENT_H__ */
127

source code of gtk/gtk/gtkadjustment.h