Mercurial > vim
annotate src/gui_at_sb.h @ 19219:89931701e033 v8.2.0168
patch 8.2.0168: Coverity warning for assigning NULL to an option
Commit: https://github.com/vim/vim/commit/97a2af39cd3249c6cbe5a5c59bc24167632d39ad
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jan 28 22:52:48 2020 +0100
patch 8.2.0168: Coverity warning for assigning NULL to an option
Problem: Coverity warning for assigning NULL to an option.
Solution: Use empty string instead of NULL.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 28 Jan 2020 23:00:04 +0100 |
| parents | 6e3dc2d630c2 |
| children |
| rev | line source |
|---|---|
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1 // vi:set ts=8 sts=4 sw=4 noet: |
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2 // MODIFIED ATHENA SCROLLBAR (USING ARROWHEADS AT ENDS OF TRAVEL) |
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3 // Modifications Copyright 1992 by Mitch Trachtenberg |
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4 // Rights, permissions, and disclaimer of warranty are as in the |
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5 // DEC and MIT notice below. See usage warning in .c file. |
| 7 | 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 | |
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97 extern void vim_XawScrollbarSetThumb(Widget, double, double, double); |
| 7 | 98 |
| 99 typedef struct | |
| 100 { | |
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101 // public |
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102 Pixel foreground; // thumb foreground color |
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103 XtOrientation orientation; // horizontal or vertical |
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104 XtCallbackList scrollProc; // proportional scroll |
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105 XtCallbackList thumbProc; // jump (to position) scroll |
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106 XtCallbackList jumpProc; // same as thumbProc but pass data by ref |
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107 Pixmap thumb; // thumb color |
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108 float top; // What percent is above the win's top |
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109 float shown; // What percent is shown in the win |
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110 float max; // Maximum value for top |
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111 Dimension length; // either height or width |
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112 Dimension thickness; // either width or height |
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113 Dimension min_thumb; // minimum size for the thumb. |
| 7 | 114 |
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115 // private |
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116 XtIntervalId timer_id; // autorepeat timer; remove on destruction |
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117 char scroll_mode; // see below |
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118 float scroll_off; // offset from event to top of thumb |
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119 GC gc; // a (shared) gc |
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120 Position topLoc; // Pixel that corresponds to top |
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121 Dimension shownLength; // Num pixels corresponding to shown |
| 7 | 122 |
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123 // From 3d widget |
| 7 | 124 Dimension shadow_width; |
| 125 Pixel top_shadow_pixel; | |
| 126 Pixel bot_shadow_pixel; | |
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127 Bool limit_thumb; // limit thumb to inside scrollbar |
| 7 | 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 | |
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161 #endif // _Scrollbar_h |