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, see <http://www.gnu.org/licenses/>.
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/.
25 #ifndef __GTK_ADJUSTMENT_H__
26 #define __GTK_ADJUSTMENT_H__
28 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
29 #error "Only <gtk/gtk.h> can be included directly."
33 #include <gtk/gtktypes.h>
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))
45 typedef struct _GtkAdjustmentPrivate GtkAdjustmentPrivate;
46 typedef struct _GtkAdjustmentClass GtkAdjustmentClass;
51 * The #GtkAdjustment struct contains only private fields and
52 * should not be directly accessed.
56 GInitiallyUnowned parent_instance;
58 GtkAdjustmentPrivate *priv;
61 struct _GtkAdjustmentClass
63 GInitiallyUnownedClass parent_class;
65 void (* changed) (GtkAdjustment *adjustment);
66 void (* value_changed) (GtkAdjustment *adjustment);
68 /* Padding for future expansion */
69 void (*_gtk_reserved1) (void);
70 void (*_gtk_reserved2) (void);
71 void (*_gtk_reserved3) (void);
72 void (*_gtk_reserved4) (void);
76 GType gtk_adjustment_get_type (void) G_GNUC_CONST;
77 GtkAdjustment* gtk_adjustment_new (gdouble value,
80 gdouble step_increment,
81 gdouble page_increment,
84 void gtk_adjustment_changed (GtkAdjustment *adjustment);
85 void gtk_adjustment_value_changed (GtkAdjustment *adjustment);
86 void gtk_adjustment_clamp_page (GtkAdjustment *adjustment,
90 gdouble gtk_adjustment_get_value (GtkAdjustment *adjustment);
91 void gtk_adjustment_set_value (GtkAdjustment *adjustment,
93 gdouble gtk_adjustment_get_lower (GtkAdjustment *adjustment);
94 void gtk_adjustment_set_lower (GtkAdjustment *adjustment,
96 gdouble gtk_adjustment_get_upper (GtkAdjustment *adjustment);
97 void gtk_adjustment_set_upper (GtkAdjustment *adjustment,
99 gdouble gtk_adjustment_get_step_increment (GtkAdjustment *adjustment);
100 void gtk_adjustment_set_step_increment (GtkAdjustment *adjustment,
101 gdouble step_increment);
102 gdouble gtk_adjustment_get_page_increment (GtkAdjustment *adjustment);
103 void gtk_adjustment_set_page_increment (GtkAdjustment *adjustment,
104 gdouble page_increment);
105 gdouble gtk_adjustment_get_page_size (GtkAdjustment *adjustment);
106 void gtk_adjustment_set_page_size (GtkAdjustment *adjustment,
109 void gtk_adjustment_configure (GtkAdjustment *adjustment,
113 gdouble step_increment,
114 gdouble page_increment,
117 gdouble gtk_adjustment_get_minimum_increment (GtkAdjustment *adjustment);
121 #endif /* __GTK_ADJUSTMENT_H__ */