gntslider.h
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1
5 /*
6 * GNT - The GLib Ncurses Toolkit
7 *
8 * GNT is the legal property of its developers, whose names are too numerous
9 * to list here. Please refer to the COPYRIGHT file distributed with this
10 * source distribution.
11 *
12 * This library is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
25 */
26
27 #ifndef GNT_SLIDER_H
28 #define GNT_SLIDER_H
29
30 #include "gntwidget.h"
31 #include "gnt.h"
32 #include "gntlabel.h"
33
34 #define GNT_TYPE_SLIDER (gnt_slider_get_gtype())
35 #define GNT_SLIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GNT_TYPE_SLIDER, GntSlider))
36 #define GNT_SLIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GNT_TYPE_SLIDER, GntSliderClass))
37 #define GNT_IS_SLIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GNT_TYPE_SLIDER))
38 #define GNT_IS_SLIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GNT_TYPE_SLIDER))
39 #define GNT_SLIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GNT_TYPE_SLIDER, GntSliderClass))
40
41 #define GNT_SLIDER_FLAGS(obj) (GNT_SLIDER(obj)->priv.flags)
42 #define GNT_SLIDER_SET_FLAGS(obj, flags) (GNT_SLIDER_FLAGS(obj) |= flags)
43 #define GNT_SLIDER_UNSET_FLAGS(obj, flags) (GNT_SLIDER_FLAGS(obj) &= ~(flags))
44
45 typedef struct _GntSlider GntSlider;
46 typedef struct _GntSliderPriv GntSliderPriv;
47 typedef struct _GntSliderClass GntSliderClass;
48
49 struct _GntSlider
50 {
51 GntWidget parent;
52
53 gboolean vertical;
54
55 int max; /* maximum value */
56 int min; /* minimum value */
57 int step; /* amount to change at each step */
58 int current; /* current value */
59 int smallstep;
60 int largestep;
61 };
62
63 struct _GntSliderClass
64 {
65 GntWidgetClass parent;
66
67 void (*changed)(GntSlider *slider, int);
68 void (*gnt_reserved1)(void);
69 void (*gnt_reserved2)(void);
70 void (*gnt_reserved3)(void);
71 void (*gnt_reserved4)(void);
72 };
73
74 G_BEGIN_DECLS
75
81 GType gnt_slider_get_gtype(void);
82
83 #define gnt_hslider_new(max, min) gnt_slider_new(FALSE, max, min)
84 #define gnt_vslider_new(max, min) gnt_slider_new(TRUE, max, min)
85
97 GntWidget * gnt_slider_new(gboolean orient, int max, int min);
98
108 void gnt_slider_set_range(GntSlider *slider, int max, int min);
109
118 void gnt_slider_set_step(GntSlider *slider, int step);
119
128 void gnt_slider_set_small_step(GntSlider *slider, int step);
129
138 void gnt_slider_set_large_step(GntSlider *slider, int step);
139
151 int gnt_slider_advance_step(GntSlider *slider, int steps);
152
161 void gnt_slider_set_value(GntSlider *slider, int value);
162
171 int gnt_slider_get_value(GntSlider *slider);
172
181 void gnt_slider_reflect_label(GntSlider *slider, GntLabel *label);
182
183
184 G_END_DECLS
185
186 #endif /* GNT_SLIDER_H */
gnt_slider_get_gtype
G_BEGIN_DECLS GType gnt_slider_get_gtype(void)
gnt_slider_reflect_label
void gnt_slider_reflect_label(GntSlider *slider, GntLabel *label)
Update a label with the value of the slider whenever the value changes.
gnt_slider_set_step
void gnt_slider_set_step(GntSlider *slider, int step)
Sets the amount of change at each step.
gntwidget.h
Widget API.
_GntLabel
Definition: gntlabel.h:44
gnt_slider_set_small_step
void gnt_slider_set_small_step(GntSlider *slider, int step)
Sets the amount of change a small step.
gnt.h
GNT API.
_GntSlider
Definition: gntslider.h:49
gnt_slider_new
GntWidget * gnt_slider_new(gboolean orient, int max, int min)
Create a new slider.
gntlabel.h
Label API.
_GntSliderClass
Definition: gntslider.h:63
gnt_slider_get_value
int gnt_slider_get_value(GntSlider *slider)
Get the current value for the slider.
gnt_slider_set_large_step
void gnt_slider_set_large_step(GntSlider *slider, int step)
Sets the amount of change a large step.
gnt_slider_set_range
void gnt_slider_set_range(GntSlider *slider, int max, int min)
Set the range of the slider.
gnt_slider_advance_step
int gnt_slider_advance_step(GntSlider *slider, int steps)
Advance the slider forward or backward.
_GntWidgetClass
Definition: gntwidget.h:113
_GntWidget
Definition: gntwidget.h:98
gnt_slider_set_value
void gnt_slider_set_value(GntSlider *slider, int value)
Set the current value for the slider.