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comparison src/scrollbar.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children c5d627a313b1
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-1:000000000000 0:376386a54a3c
1 /* Define scrollbar instance.
2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
3
4 This file is part of XEmacs.
5
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
9 later version.
10
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: Not in FSF. */
22
23 #ifndef _XEMACS_SCROLLBAR_H_
24 #define _XEMACS_SCROLLBAR_H_
25
26 #ifdef HAVE_SCROLLBARS
27
28 struct scrollbar_instance
29 {
30 /* Used by the frame caches. */
31 struct scrollbar_instance *next;
32
33 /* Pointer back to the mirror structure attached to. */
34 struct window_mirror *mirror;
35
36 /* This flag indicates if the scrollbar is currently in use. */
37 char scrollbar_is_active;
38
39 /* This flag indicates if a data parameter has changed. */
40 char scrollbar_instance_changed;
41
42 /* A structure of auxiliary data specific to the device type.
43 struct x_scrollbar_data is used for X window frames; defined in
44 scrollbar-x.h */
45 void *scrollbar_data;
46 };
47
48 #define SCROLLBAR_INSTANCE_FRAME(inst) (inst->mirror->frame)
49
50 extern void init_frame_scrollbars (struct frame *f);
51 extern void init_device_scrollbars (struct device *d);
52 extern void init_global_scrollbars (struct device *d);
53 extern void free_frame_scrollbars (struct frame *f);
54 extern void release_window_mirror_scrollbars (struct window_mirror *mir);
55 extern void update_window_scrollbars (struct window *w,
56 struct window_mirror *mirror,
57 int active, int horiz_only);
58 #ifdef MEMORY_USAGE_STATS
59 extern int compute_scrollbar_instance_usage (struct device *d,
60 struct scrollbar_instance *inst,
61 struct overhead_stats *ovstats);
62 #endif
63
64 extern Lisp_Object Vscrollbar_width, Vscrollbar_height;
65
66 extern Lisp_Object Qscrollbar_line_up;
67 extern Lisp_Object Qscrollbar_line_down;
68 extern Lisp_Object Qscrollbar_page_up;
69 extern Lisp_Object Qscrollbar_page_down;
70 extern Lisp_Object Qscrollbar_to_top;
71 extern Lisp_Object Qscrollbar_to_bottom;
72 extern Lisp_Object Qscrollbar_vertical_drag;
73
74 extern Lisp_Object Qscrollbar_char_left;
75 extern Lisp_Object Qscrollbar_char_right;
76 extern Lisp_Object Qscrollbar_page_left;
77 extern Lisp_Object Qscrollbar_page_right;
78 extern Lisp_Object Qscrollbar_to_left;
79 extern Lisp_Object Qscrollbar_to_right;
80 extern Lisp_Object Qscrollbar_horizontal_drag;
81
82 #endif /* HAVE_SCROLLBARS */
83
84 #endif /* _XEMACS_SCROLLBAR_H_ */