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comparison src/scrollbar-gtk.h @ 462:0784d089fdc9 r21-2-46

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Import from CVS: tag r21-2-46
author cvs
date Mon, 13 Aug 2007 11:44:37 +0200
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461:120ed4009e51 462:0784d089fdc9
1 /* Define Gtk-specific 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_GTK_H_
24 #define _XEMACS_SCROLLBAR_GTK_H_
25
26 #if defined (HAVE_GTK) && defined (HAVE_SCROLLBARS)
27
28 #include "scrollbar.h"
29
30 typedef struct _scrollbar_values
31 {
32 int line_increment;
33 int page_increment;
34
35 int minimum;
36 int maximum;
37
38 int slider_size;
39 int slider_position;
40
41 int scrollbar_width, scrollbar_height;
42 int scrollbar_x, scrollbar_y;
43 } scrollbar_values;
44
45 struct gtk_scrollbar_data
46 {
47 /* Unique scrollbar identifier and name. */
48 unsigned int id;
49
50 /* Is set if we have already set the backing_store attribute correctly */
51 char backing_store_initialized;
52
53 /* Positioning and sizing information for scrollbar and slider. */
54 scrollbar_values pos_data;
55
56 /* Pointer to the scrollbar widget this structure describes. */
57 GtkWidget *widget;
58
59 gfloat last_value;
60
61 /* Recorded starting position for Motif-like scrollbar drags. */
62 int vdrag_orig_value;
63 Bufpos vdrag_orig_window_start;
64 };
65
66 #define SCROLLBAR_GTK_DATA(i) ((struct gtk_scrollbar_data *) ((i)->scrollbar_data))
67
68 #define SCROLLBAR_GTK_ID(i) (SCROLLBAR_GTK_DATA (i)->id)
69 #define SCROLLBAR_GTK_BACKING_STORE_INITIALIZED(i) \
70 (SCROLLBAR_GTK_DATA (i)->backing_store_initialized)
71 #define SCROLLBAR_GTK_POS_DATA(i) (SCROLLBAR_GTK_DATA (i)->pos_data)
72 #define SCROLLBAR_GTK_WIDGET(i) (SCROLLBAR_GTK_DATA (i)->widget)
73 #define SCROLLBAR_GTK_LAST_VALUE(i) SCROLLBAR_GTK_DATA (i)->last_value
74
75 #define SCROLLBAR_GTK_VDRAG_ORIG_VALUE(i) \
76 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_value)
77 #define SCROLLBAR_GTK_VDRAG_ORIG_WINDOW_START(i) \
78 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_window_start)
79
80 void gtk_update_frame_scrollbars (struct frame *f);
81 void gtk_set_scrollbar_pointer (struct frame *f, Lisp_Object cursor);
82
83 #endif /* HAVE_GDK and HAVE_SCROLLBARS */
84 #endif /* _XEMACS_SCROLLBAR_GTK_H_ */