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_SCALE_H__
26#define __GTK_SCALE_H__
27
28
29#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
30#error "Only <gtk/gtk.h> can be included directly."
31#endif
32
33#include <gtk/gtkrange.h>
34
35
36G_BEGIN_DECLS
37
38#define GTK_TYPE_SCALE (gtk_scale_get_type ())
39#define GTK_SCALE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SCALE, GtkScale))
40#define GTK_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SCALE, GtkScaleClass))
41#define GTK_IS_SCALE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SCALE))
42#define GTK_IS_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCALE))
43#define GTK_SCALE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCALE, GtkScaleClass))
44
45
46typedef struct _GtkScale GtkScale;
47typedef struct _GtkScalePrivate GtkScalePrivate;
48typedef struct _GtkScaleClass GtkScaleClass;
49
50struct _GtkScale
51{
52 GtkRange range;
53
54 /*< private >*/
55 GtkScalePrivate *priv;
56};
57
58struct _GtkScaleClass
59{
60 GtkRangeClass parent_class;
61
62 gchar* (* format_value) (GtkScale *scale,
63 gdouble value);
64
65 void (* draw_value) (GtkScale *scale);
66
67 void (* get_layout_offsets) (GtkScale *scale,
68 gint *x,
69 gint *y);
70
71 /* Padding for future expansion */
72 void (*_gtk_reserved1) (void);
73 void (*_gtk_reserved2) (void);
74 void (*_gtk_reserved3) (void);
75 void (*_gtk_reserved4) (void);
76};
77
78GDK_AVAILABLE_IN_ALL
79GType gtk_scale_get_type (void) G_GNUC_CONST;
80GDK_AVAILABLE_IN_ALL
81GtkWidget * gtk_scale_new (GtkOrientation orientation,
82 GtkAdjustment *adjustment);
83GDK_AVAILABLE_IN_ALL
84GtkWidget * gtk_scale_new_with_range (GtkOrientation orientation,
85 gdouble min,
86 gdouble max,
87 gdouble step);
88GDK_AVAILABLE_IN_ALL
89void gtk_scale_set_digits (GtkScale *scale,
90 gint digits);
91GDK_AVAILABLE_IN_ALL
92gint gtk_scale_get_digits (GtkScale *scale);
93GDK_AVAILABLE_IN_ALL
94void gtk_scale_set_draw_value (GtkScale *scale,
95 gboolean draw_value);
96GDK_AVAILABLE_IN_ALL
97gboolean gtk_scale_get_draw_value (GtkScale *scale);
98GDK_AVAILABLE_IN_3_4
99void gtk_scale_set_has_origin (GtkScale *scale,
100 gboolean has_origin);
101GDK_AVAILABLE_IN_3_4
102gboolean gtk_scale_get_has_origin (GtkScale *scale);
103GDK_AVAILABLE_IN_ALL
104void gtk_scale_set_value_pos (GtkScale *scale,
105 GtkPositionType pos);
106GDK_AVAILABLE_IN_ALL
107GtkPositionType gtk_scale_get_value_pos (GtkScale *scale);
108
109GDK_AVAILABLE_IN_ALL
110PangoLayout * gtk_scale_get_layout (GtkScale *scale);
111GDK_AVAILABLE_IN_ALL
112void gtk_scale_get_layout_offsets (GtkScale *scale,
113 gint *x,
114 gint *y);
115
116GDK_AVAILABLE_IN_ALL
117void gtk_scale_add_mark (GtkScale *scale,
118 gdouble value,
119 GtkPositionType position,
120 const gchar *markup);
121GDK_AVAILABLE_IN_ALL
122void gtk_scale_clear_marks (GtkScale *scale);
123
124
125G_END_DECLS
126
127#endif /* __GTK_SCALE_H__ */
128