1/* vi:set ts=8 sts=4 sw=4: */
2/* MODIFIED ATHENA SCROLLBAR (USING ARROWHEADS AT ENDS OF TRAVEL) */
3/* Modifications Copyright 1992 by Mitch Trachtenberg		  */
4/* Rights, permissions, and disclaimer of warranty are as in the  */
5/* DEC and MIT notice below.  See usage warning in .c file.	  */
6/*
7 * $XConsortium: ScrollbarP.h,v 1.3 94/04/17 20:12:42 jim Exp $
8 */
9
10
11/***********************************************************
12
13Copyright (c) 1987, 1988  X Consortium
14
15Permission is hereby granted, free of charge, to any person obtaining a copy
16of this software and associated documentation files (the "Software"), to deal
17in the Software without restriction, including without limitation the rights
18to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
19copies of the Software, and to permit persons to whom the Software is
20furnished to do so, subject to the following conditions:
21
22The above copyright notice and this permission notice shall be included in
23all copies or substantial portions of the Software.
24
25THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
28X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
29AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31
32Except as contained in this notice, the name of the X Consortium shall not be
33used in advertising or otherwise to promote the sale, use or other dealings
34in this Software without prior written authorization from the X Consortium.
35
36
37Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
38
39			All Rights Reserved
40
41Permission to use, copy, modify, and distribute this software and its
42documentation for any purpose and without fee is hereby granted,
43provided that the above copyright notice appear in all copies and that
44both that copyright notice and this permission notice appear in
45supporting documentation, and that the name of Digital not be
46used in advertising or publicity pertaining to distribution of the
47software without specific, written prior permission.
48
49DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
50ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
51DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
52ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
53WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
54ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
55SOFTWARE.
56
57******************************************************************/
58
59#ifndef _Scrollbar_h
60#define _Scrollbar_h
61
62/****************************************************************
63 *
64 * Scrollbar Widget
65 *
66 ****************************************************************/
67
68#include <X11/IntrinsicP.h>
69#include <X11/Xaw/SimpleP.h>
70#include <X11/Xmu/Converters.h>
71
72/*
73 * Most things we need are in StringDefs.h
74 */
75#define XtCMinimumThumb		"MinimumThumb"
76#define XtCShown		"Shown"
77#define XtCTopOfThumb		"TopOfThumb"
78#define XtCMaxOfThumb		"MaxOfThumb"
79#define XtCShadowWidth		"ShadowWidth"
80#define XtCTopShadowPixel	"TopShadowPixel"
81#define XtCBottomShadowPixel	"BottomShadowPixel"
82#define XtCLimitThumb		"LimitThumb"
83
84#define XtNminimumThumb		"minimumThumb"
85#define XtNtopOfThumb		"topOfThumb"
86#define XtNmaxOfThumb		"maxOfThumb"
87#define XtNshadowWidth		"shadowWidth"
88#define XtNtopShadowPixel	"topShadowPixel"
89#define XtNbottomShadowPixel	"bottomShadowPixel"
90#define XtNlimitThumb		"limitThumb"
91
92typedef struct _ScrollbarRec	  *ScrollbarWidget;
93typedef struct _ScrollbarClassRec *ScrollbarWidgetClass;
94
95extern WidgetClass vim_scrollbarWidgetClass;
96
97extern void vim_XawScrollbarSetThumb __ARGS((Widget, double, double, double));
98
99typedef struct
100{
101     /* public */
102    Pixel	  foreground;	/* thumb foreground color */
103    XtOrientation orientation;	/* horizontal or vertical */
104    XtCallbackList scrollProc;	/* proportional scroll */
105    XtCallbackList thumbProc;	/* jump (to position) scroll */
106    XtCallbackList jumpProc;	/* same as thumbProc but pass data by ref */
107    Pixmap	  thumb;	/* thumb color */
108    float	  top;		/* What percent is above the win's top */
109    float	  shown;	/* What percent is shown in the win */
110    float	  max;		/* Maximum value for top */
111    Dimension	  length;	/* either height or width */
112    Dimension	  thickness;	/* either width or height */
113    Dimension	  min_thumb;	/* minimum size for the thumb. */
114
115     /* private */
116    XtIntervalId  timer_id;	/* autorepeat timer; remove on destruction */
117    char	  scroll_mode;	/* see below */
118    float	  scroll_off;	/* offset from event to top of thumb */
119    GC		  gc;		/* a (shared) gc */
120    Position	  topLoc;	/* Pixel that corresponds to top */
121    Dimension	  shownLength;	/* Num pixels corresponding to shown */
122
123    /* From 3d widget */
124    Dimension	shadow_width;
125    Pixel	top_shadow_pixel;
126    Pixel	bot_shadow_pixel;
127    Bool	limit_thumb;	/* limit thumb to inside scrollbar */
128    int		top_shadow_contrast;
129    int		bot_shadow_contrast;
130    GC		top_shadow_GC;
131    GC		bot_shadow_GC;
132} ScrollbarPart;
133
134#define SMODE_NONE		0
135#define SMODE_CONT		1
136#define SMODE_PAGE_UP		2
137#define SMODE_PAGE_DOWN		3
138#define SMODE_LINE_UP		4
139#define SMODE_LINE_DOWN		5
140
141#define ONE_LINE_DATA		1
142#define ONE_PAGE_DATA		10
143#define END_PAGE_DATA		9999
144
145typedef struct _ScrollbarRec {
146    CorePart		core;
147    SimplePart		simple;
148    ScrollbarPart	scrollbar;
149} ScrollbarRec;
150
151typedef struct {int empty;} ScrollbarClassPart;
152
153typedef struct _ScrollbarClassRec {
154    CoreClassPart		core_class;
155    SimpleClassPart		simple_class;
156    ScrollbarClassPart		scrollbar_class;
157} ScrollbarClassRec;
158
159extern ScrollbarClassRec vim_scrollbarClassRec;
160
161#endif /* _Scrollbar_h */
162