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424
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1 /* Checkbox Widget for XEmacs.
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2 Copyright (C) 1999 Edward A. Falk
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Checkbox.c 1.1 */
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22
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23 /*
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24 * Checkbox.c - Checkbox button widget
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25 *
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26 * Author: Edward A. Falk
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27 * falk@falconer.vip.best.com
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28 *
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29 * Date: June 30, 1997
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30 *
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31 * Overview: This widget is identical to the Radio widget in behavior,
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32 * except that the button is square and has a check mark.
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33 */
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34
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35
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36 #include <config.h>
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37 #include <stdio.h>
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38
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39 #include <X11/IntrinsicP.h>
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40 #include <X11/StringDefs.h>
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434
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41 #include ATHENA_INCLUDE(XawInit.h)
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424
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42 #include "../src/xmu.h"
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43 #include "xlwcheckboxP.h"
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44
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45
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46 /* by using the same size for the checkbox as for the diamond box,
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47 * we can let the Radio widget do the vast majority of the work.
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48 */
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49
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50 #define BOX_SIZE 8
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51 #define DRAW_CHECK 0 /* don't draw the check mark */
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52
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53 #define cclass(w) ((CheckboxWidgetClass)((w)->core.widget_class))
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54
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55 #ifdef _ThreeDP_h
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56 #define swid(cw) ((cw)->threeD.shadow_width)
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57 #else
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58 #define swid(cw) ((cw)->core.border_width)
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59 #endif
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60
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61 #define bsize(cw) (cclass(cw)->radio_class.dsize)
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62 #define bs(cw) (bsize(cw) + 2*swid(cw))
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63
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64
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65 #if DRAW_CHECK
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66 #define check_width 14
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67 #define check_height 14
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68 static u_char check_bits[] = {
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69 0x00, 0x00, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0x03,
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70 0x8c, 0x03, 0xde, 0x01, 0xff, 0x01, 0xfe, 0x00, 0xfc, 0x00, 0x78, 0x00,
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71 0x70, 0x00, 0x20, 0x00};
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72 #endif
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73
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74
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75 /****************************************************************
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76 *
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77 * Full class record constant
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78 *
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79 ****************************************************************/
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80
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81
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82 #if DRAW_CHECK
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83 static char defaultTranslations[] =
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84 "<EnterWindow>: highlight()\n\
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85 <LeaveWindow>: unpress(draw) unhighlight()\n\
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86 <Btn1Down>: press()\n\
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87 <Btn1Down>,<Btn1Up>: unpress(nodraw) toggle() notify()";
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88 #endif
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89
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90
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91
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92 #define offset(field) XtOffsetOf(CheckboxRec, field)
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93 static XtResource resources[] = {
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94 {XtNtristate, XtCTristate, XtRBoolean, sizeof(Boolean),
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95 offset(checkbox.tristate), XtRImmediate, (XtPointer)FALSE},
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96 } ;
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97 #undef offset
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98
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99 /* Member functions */
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100
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101 static void CheckboxClassInit (void);
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102 static void CheckboxInit (Widget, Widget, ArgList, Cardinal *);
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103 #if DRAW_CHECK
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104 static void CheckboxRealize (Widget, Mask *, XSetWindowAttributes *);
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105 #endif
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106 static void DrawCheck (Widget);
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107
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108
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109 /* Action procs */
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110 #if DRAW_CHECK
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111 static void CheckboxPress (Widget, XEvent *, String *, Cardinal *);
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112 static void CheckboxUnpress (Widget, XEvent *, String *, Cardinal *);
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113 #endif
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114
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115 /* internal privates */
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116
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117 #if DRAW_CHECK
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118 static XtActionsRec actionsList[] =
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119 {
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120 {"press", CheckboxPress},
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121 {"unpress", CheckboxUnpress},
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122 } ;
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123 #endif
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124
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125 #define SuperClass ((RadioWidgetClass)&radioClassRec)
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126
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127 CheckboxClassRec checkboxClassRec = {
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128 {
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129 (WidgetClass) SuperClass, /* superclass */
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130 "Checkbox", /* class_name */
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131 sizeof(CheckboxRec), /* size */
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132 CheckboxClassInit, /* class_initialize */
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133 NULL, /* class_part_initialize */
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134 FALSE, /* class_inited */
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135 CheckboxInit, /* initialize */
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136 NULL, /* initialize_hook */
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137 #if DRAW_CHECK
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138 CheckboxRealize, /* realize */
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139 actionsList, /* actions */
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140 XtNumber(actionsList), /* num_actions */
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141 #else
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142 XtInheritRealize, /* realize */
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143 NULL, /* actions */
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144 0, /* num_actions */
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145 #endif
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146 resources, /* resources */
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147 XtNumber(resources), /* resource_count */
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148 NULLQUARK, /* xrm_class */
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149 TRUE, /* compress_motion */
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150 TRUE, /* compress_exposure */
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151 TRUE, /* compress_enterleave */
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152 FALSE, /* visible_interest */
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153 NULL, /* destroy */
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154 XtInheritResize, /* resize */
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155 XtInheritExpose, /* expose */
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156 NULL, /* set_values */
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157 NULL, /* set_values_hook */
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158 XtInheritSetValuesAlmost, /* set_values_almost */
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159 NULL, /* get_values_hook */
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160 NULL, /* accept_focus */
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161 XtVersion, /* version */
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162 NULL, /* callback_private */
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163 #if DRAW_CHECK
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164 defaultTranslations, /* tm_table */
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165 #else
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166 XtInheritTranslations, /* tm_table */
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167 #endif
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168 XtInheritQueryGeometry, /* query_geometry */
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169 XtInheritDisplayAccelerator, /* display_accelerator */
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170 NULL /* extension */
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171 }, /* CoreClass fields initialization */
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172 {
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173 XtInheritChangeSensitive /* change_sensitive */
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174 }, /* SimpleClass fields initialization */
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175 #ifdef _ThreeDP_h
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176 {
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177 XtInheritXaw3dShadowDraw /* field not used */
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178 }, /* ThreeDClass fields initialization */
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179 #endif
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180 {
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181 0 /* field not used */
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182 }, /* LabelClass fields initialization */
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183 {
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184 0 /* field not used */
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185 }, /* CommandClass fields initialization */
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186 {
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187 RadioSet, /* Set Procedure. */
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188 RadioUnset, /* Unset Procedure. */
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189 NULL /* extension. */
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190 }, /* ToggleClass fields initialization */
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191 {
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192 BOX_SIZE,
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193 DrawCheck, /* draw procedure */
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194 NULL /* extension. */
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195 }, /* RadioClass fields initialization */
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196 {
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197 NULL /* extension. */
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198 }, /* CheckboxClass fields initialization */
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199 };
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200
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201 /* for public consumption */
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202 WidgetClass checkboxWidgetClass = (WidgetClass) &checkboxClassRec;
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203
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204
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205
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206
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207
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208
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209 /****************************************************************
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210 *
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211 * Class Methods
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212 *
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213 ****************************************************************/
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214
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215 static void
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216 CheckboxClassInit (void)
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217 {
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218 XawInitializeWidgetSet();
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219 }
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220
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221
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222 /*ARGSUSED*/
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223 static void
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224 CheckboxInit (Widget request,
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225 Widget new,
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226 ArgList args,
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227 Cardinal *num_args)
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228 {
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229 #if DRAW_CHECK
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230 CheckboxWidget cw = (CheckboxWidget) new;
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231 cw->checkbox.checkmark = None ;
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232 cw->checkbox.checkmark_GC = None ;
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233 #endif
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234 }
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235
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236
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237 #if DRAW_CHECK
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238 static void
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239 CheckboxRealize(Widget w,
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240 Mask *valueMask,
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241 XSetWindowAttributes *attributes)
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242 {
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243 CheckboxWidget cw = (CheckboxWidget) w;
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244 XtGCMask value_mask, dynamic_mask, dontcare_mask ;
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245 XGCValues values ;
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246
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247 /* first, call superclass realize */
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248 (*checkboxWidgetClass->core_class.superclass->core_class.realize)
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249 (w, valueMask, attributes);
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250
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251 /* TODO: cache this via xmu */
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252 if( cw->checkbox.checkmark == None )
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253 cw->checkbox.checkmark =
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254 XCreateBitmapFromData( XtDisplay(w), XtWindow(w),
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255 check_bits,check_width,check_height);
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256
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257 values.fill_style = FillStippled ;
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258 values.stipple = cw->checkbox.checkmark ;
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259 values.foreground = cw->label.foreground ;
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260 value_mask = GCFillStyle | GCStipple | GCForeground ;
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261 dynamic_mask = GCTileStipXOrigin | GCTileStipYOrigin ;
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262 dontcare_mask = GCLineWidth | GCLineStyle | GCCapStyle | GCJoinStyle |
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263 GCFont | GCSubwindowMode | GCGraphicsExposures |
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264 GCDashOffset | GCDashList | GCArcMode ;
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265 cw->checkbox.checkmark_GC =
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266 XtAllocateGC(w, 0, value_mask, &values, dynamic_mask, dontcare_mask) ;
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267 }
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268 #endif
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269
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270
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271 /* Function Name: CheckboxDestroy
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272 * Description: Destroy Callback for checkbox widget.
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273 * Arguments: w - the checkbox widget that is being destroyed.
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274 * junk, grabage - not used.
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275 * Returns: none.
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276 */
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277
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278 /* ARGSUSED */
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279 static void
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280 CheckboxDestroy (Widget w,
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281 XtPointer junk,
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282 XtPointer garbage)
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283 {
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284 #if DRAW_CHECK
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285 CheckboxWidget cw = (CheckboxWidget) w;
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286
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287 /* TODO: cache this via xmu */
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288 if( cw->checkbox.checkmark != None )
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289 XFreePixmap( XtDisplay(w), cw->checkbox.checkmark ) ;
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290 if( cw->checkbox.checkmark_GC != None )
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291 XtReleaseGC(w, cw->checkbox.checkmark_GC) ;
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292 #endif
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293 }
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294
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295
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296
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297 #if DRAW_CHECK
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298 /************************************************************
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299 *
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300 * Actions Procedures
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301 *
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302 ************************************************************/
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303
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304 /* ARGSUSED */
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305 static void
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306 CheckboxPress (Widget w,
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307 XEvent *event,
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308 String *params, /* unused */
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309 Cardinal *num_params) /* unused */
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310 {
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311 CheckboxWidget cw = (CheckboxWidget) w ;
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312 if( !cw->checkbox.pressed ) {
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313 cw->checkbox.pressed = TRUE ;
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314 ((CheckboxWidgetClass)(w->core.widget_class))->radio_class.drawDiamond(w) ;
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315 }
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316 }
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317
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318 static void
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319 CheckboxUnpress (Widget w,
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320 XEvent *event,
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321 String *params, /* unused */
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322 Cardinal *num_params) /* unused */
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323 {
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324 CheckboxWidget cw = (CheckboxWidget) w ;
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325 int i ;
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326
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327 if( cw->checkbox.pressed ) {
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328 cw->checkbox.pressed = FALSE ;
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329 if( *num_params > 0 && **params == 'd' )
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330 ((CheckboxWidgetClass)(w->core.widget_class))->radio_class.drawDiamond(w);
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331 }
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332 }
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333 #endif
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334
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335
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336
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337
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338
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339 /************************************************************
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340 *
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341 * Internal Procedures
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342 *
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343 ************************************************************/
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344
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345 static void
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346 DrawCheck (Widget w)
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347 {
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348 CheckboxWidget cw = (CheckboxWidget) w ;
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349 Display *dpy = XtDisplay(w) ;
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350 Window win = XtWindow(w) ;
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351 GC gc ;
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352
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353 #ifdef _ThreeDP_h
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354 XPoint pts[6] ;
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355 #endif
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356 Dimension s = swid(cw);
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357 Dimension bsz = bsize(cw);
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358 Position bx,by ; /* Check upper-left */
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359 Dimension bw,bh ;
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360 #ifdef _ThreeDP_h
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361 GC top, bot;
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362 #endif
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363 GC ctr ;
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364
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365 /* foreground GC */
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366 gc = XtIsSensitive(w) ? cw->command.normal_GC : cw->label.gray_GC ;
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367
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368 bw = bh = bs(cw) ;
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369 bx = cw->label.internal_width ;
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370 by = cw->core.height/2 - bh/2 ;
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371
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372 #ifdef _ThreeDP_h
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373 if( !cw->command.set ) {
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374 top = cw->threeD.top_shadow_GC ;
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375 bot = cw->threeD.bot_shadow_GC ;
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376 } else {
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377 top = cw->threeD.bot_shadow_GC ;
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378 bot = cw->threeD.top_shadow_GC ;
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379 }
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380 ctr = cw->command.inverse_GC ;
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381 #else
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382 ctr = cw->command.set ? cw->command.normal_GC : cw->command.inverse_GC ;
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383 #endif
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384
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385 XFillRectangle(dpy,win,ctr, bx+s,by+s, bsz,bsz) ;
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386
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387 #ifdef _ThreeDP_h
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388 /* top-left shadow */
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389 pts[0].x = bx ; pts[0].y = by ;
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390 pts[1].x = bw ; pts[1].y = 0 ;
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391 pts[2].x = -s ; pts[2].y = s ;
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392 pts[3].x = -bsz ; pts[3].y = 0 ;
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393 pts[4].x = 0 ; pts[4].y = bsz ;
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394 pts[5].x = -s ; pts[5].y = s ;
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395 XFillPolygon(dpy,win,top, pts,6, Nonconvex,CoordModePrevious) ;
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396 /* bottom-right shadow */
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397 pts[0].x = bx+bw ; pts[0].y = by+bh ;
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398 pts[1].x = -bw ; pts[1].y = 0 ;
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399 pts[2].x = s ; pts[2].y = -s ;
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400 pts[3].x = bsz ; pts[3].y = 0 ;
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401 pts[4].x = 0 ; pts[4].y = -bsz ;
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402 pts[5].x = s ; pts[5].y = -s ;
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403 XFillPolygon(dpy,win,bot, pts,6, Nonconvex,CoordModePrevious) ;
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404 #else
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405 XDrawRectangle(dpy,win,gc, bx+s,by+s, bsz,bsz) ;
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406 #endif
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407
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408 #if DRAW_CHECK
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409 if( cw->command.set && cw->checkbox.checkmark_GC != None ) {
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410 XSetTSOrigin(dpy,cw->checkbox.checkmark_GC, bx+s, by+s) ;
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411 XFillRectangle(dpy,win,cw->checkbox.checkmark_GC,
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412 bx+s, by+s, check_width,check_height) ;
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413 }
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414 #endif
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415 }
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