1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program 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
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __GIMP_HANDLE_BAR_H__
19 #define __GIMP_HANDLE_BAR_H__
20 
21 
22 #define GIMP_TYPE_HANDLE_BAR            (gimp_handle_bar_get_type ())
23 #define GIMP_HANDLE_BAR(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_HANDLE_BAR, GimpHandleBar))
24 #define GIMP_HANDLE_BAR_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_HANDLE_BAR, GimpHandleBarClass))
25 #define GIMP_IS_HANDLE_BAR(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_HANDLE_BAR))
26 #define GIMP_IS_HANDLE_BAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_HANDLE_BAR))
27 #define GIMP_HANDLE_BAR_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_HANDLE_BAR, GimpHandleBarClass))
28 
29 
30 typedef struct _GimpHandleBarClass  GimpHandleBarClass;
31 
32 struct _GimpHandleBar
33 {
34   GtkEventBox     parent_class;
35 
36   GtkOrientation  orientation;
37 
38   GtkAdjustment  *slider_adj[3];
39   gboolean        limits_set;
40   gdouble         lower;
41   gdouble         upper;
42 
43   gint            slider_pos[3];
44   gint            active_slider;
45 };
46 
47 struct _GimpHandleBarClass
48 {
49   GtkEventBoxClass   parent_class;
50 };
51 
52 
53 GType       gimp_handle_bar_get_type       (void) G_GNUC_CONST;
54 
55 GtkWidget * gimp_handle_bar_new            (GtkOrientation  orientation);
56 
57 void        gimp_handle_bar_set_adjustment (GimpHandleBar  *bar,
58                                             gint            handle_no,
59                                             GtkAdjustment  *adjustment);
60 
61 void        gimp_handle_bar_set_limits     (GimpHandleBar  *bar,
62                                             gdouble         lower,
63                                             gdouble         upper);
64 void        gimp_handle_bar_unset_limits   (GimpHandleBar  *bar);
65 gboolean    gimp_handle_bar_get_limits     (GimpHandleBar  *bar,
66                                             gdouble        *lower,
67                                             gdouble        *upper);
68 
69 void        gimp_handle_bar_connect_events (GimpHandleBar  *bar,
70                                             GtkWidget      *event_source);
71 
72 
73 #endif  /*  __GIMP_HANDLE_BAR_H__  */
74