src/gui_at_sb.h

   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
  13 Copyright (c) 1987, 1988  X Consortium
  14
  15 Permission is hereby granted, free of charge, to any person obtaining a copy
  16 of this software and associated documentation files (the "Software"), to deal
  17 in the Software without restriction, including without limitation the rights
  18 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  19 copies of the Software, and to permit persons to whom the Software is
  20 furnished to do so, subject to the following conditions:
  21
  22 The above copyright notice and this permission notice shall be included in
  23 all copies or substantial portions of the Software.
  24
  25 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  26 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  27 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  28 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  29 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31
  32 Except as contained in this notice, the name of the X Consortium shall not be
  33 used in advertising or otherwise to promote the sale, use or other dealings
  34 in this Software without prior written authorization from the X Consortium.
  35
  36
  37 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
  38
  39                         All Rights Reserved
  40
  41 Permission to use, copy, modify, and distribute this software and its
  42 documentation for any purpose and without fee is hereby granted,
  43 provided that the above copyright notice appear in all copies and that
  44 both that copyright notice and this permission notice appear in
  45 supporting documentation, and that the name of Digital not be
  46 used in advertising or publicity pertaining to distribution of the
  47 software without specific, written prior permission.
  48
  49 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  50 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  51 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  52 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  53 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  54 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  55 SOFTWARE.
  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
  92 typedef struct _ScrollbarRec      *ScrollbarWidget;
  93 typedef struct _ScrollbarClassRec *ScrollbarWidgetClass;
  94
  95 extern WidgetClass vim_scrollbarWidgetClass;
  96
  97 extern void vim_XawScrollbarSetThumb __ARGS((Widget, double, double, double));
  98
  99 typedef 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
 145 typedef struct _ScrollbarRec {
 146     CorePart            core;
 147     SimplePart          simple;
 148     ScrollbarPart       scrollbar;
 149 } ScrollbarRec;
 150
 151 typedef struct {int empty;} ScrollbarClassPart;
 152
 153 typedef struct _ScrollbarClassRec {
 154     CoreClassPart               core_class;
 155     SimpleClassPart             simple_class;
 156     ScrollbarClassPart          scrollbar_class;
 157 } ScrollbarClassRec;
 158
 159 extern ScrollbarClassRec vim_scrollbarClassRec;
 160
 161 #endif /* _Scrollbar_h */