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428
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1 /* The lwlib interface to "xlwmenu" menus.
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2 Copyright (C) 1992, 1994 Lucid, Inc.
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3
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4 This file is part of the Lucid Widget Library.
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5
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6 The Lucid Widget Library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 The Lucid Widget Library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License 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 #include <config.h>
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22 #include <stdlib.h> /* for abort () */
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23 #include <stdio.h> /* for abort () */
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24 #include <limits.h>
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25
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26 #include "lwlib-Xlw.h"
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27 #include "lwlib-utils.h"
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28 #include <X11/StringDefs.h>
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29 #include <X11/IntrinsicP.h>
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30 #include <X11/ObjectP.h>
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31 #include <X11/CompositeP.h>
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32 #include <X11/Shell.h>
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33 #ifdef HAVE_WIDGETS
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34 #include "../src/EmacsManager.h"
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35 #endif
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36 #ifdef LWLIB_MENUBARS_LUCID
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37 #include "xlwmenu.h"
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38 #endif
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39 #ifdef LWLIB_SCROLLBARS_LUCID
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40 #include "xlwscrollbar.h"
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41 #endif
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42 #ifdef LWLIB_TABS_LUCID
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43 #ifdef NEED_MOTIF
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44 #include "lwlib-Xm.h"
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45 #endif
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46 #ifdef NEED_ATHENA
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47 #include "lwlib-Xaw.h"
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48 #endif
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49 #include "../src/xmu.h"
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50 #include "xlwtabs.h"
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51 #endif
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52
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53
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54
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55 #ifdef LWLIB_MENUBARS_LUCID
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56
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57 /* Menu callbacks */
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58
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59 static void
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60 pre_hook (Widget w, XtPointer client_data, XtPointer call_data)
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61 {
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62 widget_instance* instance = (widget_instance*)client_data;
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63 widget_value* val;
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64
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65 if (w->core.being_destroyed)
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66 return;
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67
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68 val = lw_get_widget_value_for_widget (instance, w);
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69 #if 0
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70 /* #### - this code used to (for some random back_asswards reason) pass
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71 the expression below in the call_data slot. For incremental menu
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72 construction, this needs to go. I can't even figure out why it was done
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73 this way in the first place...it's just a historical weirdism. --Stig */
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74 call_data = (val ? val->call_data : NULL);
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75 #endif
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76 if (val && val->call_data)
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77 abort(); /* #### - the call_data for the top_level
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78 "menubar" widget_value used to be passed
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79 back to the pre_hook. */
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80
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81 if (instance->info->pre_activate_cb)
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82 instance->info->pre_activate_cb (w, instance->info->id, call_data);
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83 }
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84
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85 static void
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86 pick_hook (Widget w, XtPointer client_data, XtPointer call_data)
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87 {
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88 widget_instance* instance = (widget_instance*)client_data;
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89 widget_value* contents_val = (widget_value*)call_data;
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90 widget_value* widget_val;
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91 XtPointer widget_arg;
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92 LWLIB_ID id;
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93 lw_callback post_activate_cb;
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94
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95 if (w->core.being_destroyed)
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96 return;
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97
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98 /* Grab these values before running any functions, in case running
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99 the selection_cb causes the widget to be destroyed. */
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100 id = instance->info->id;
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101 post_activate_cb = instance->info->post_activate_cb;
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102
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103 widget_val = lw_get_widget_value_for_widget (instance, w);
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104 widget_arg = widget_val ? widget_val->call_data : NULL;
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105
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106 if (instance->info->selection_cb &&
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107 contents_val &&
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108 contents_val->enabled &&
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109 !contents_val->contents)
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110 instance->info->selection_cb (w, id, contents_val->call_data);
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111
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112 if (post_activate_cb)
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113 post_activate_cb (w, id, widget_arg);
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114 }
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115
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116
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117
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118 /* creation functions */
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119 static Widget
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120 xlw_create_menubar (widget_instance* instance)
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121 {
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122 Arg al [1];
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123 Widget widget;
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124
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125 XtSetArg (al [0], XtNmenu, instance->info->val);
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126 widget = XtCreateWidget (instance->info->name, xlwMenuWidgetClass,
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127 instance->parent, al, 1);
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128 XtAddCallback (widget, XtNopen, pre_hook, (XtPointer)instance);
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129 XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance);
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130 return widget;
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131 }
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132
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133 static Widget
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134 xlw_create_popup_menu (widget_instance* instance)
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135 {
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136 Arg al [2];
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137 Widget popup_shell, widget;
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138
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139 popup_shell = XtCreatePopupShell (instance->info->name,
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140 overrideShellWidgetClass,
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141 instance->parent, NULL, 0);
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142 XtSetArg (al [0], XtNmenu, instance->info->val);
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143 XtSetArg (al [1], XtNhorizontal, False);
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144 widget = XtCreateManagedWidget ("popup", xlwMenuWidgetClass,
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145 popup_shell, al, 2);
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146 XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance);
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147
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148 return popup_shell;
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149 }
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150 #endif /* LWLIB_MENUBARS_LUCID */
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151
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152 #ifdef LWLIB_SCROLLBARS_LUCID
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153 static void
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154 xlw_scrollbar_callback (Widget widget, XtPointer closure, XtPointer call_data)
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155 {
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156 widget_instance *instance = (widget_instance *) closure;
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157 LWLIB_ID id;
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158 XlwScrollBarCallbackStruct *data =
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159 (XlwScrollBarCallbackStruct *) call_data;
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160 scroll_event event_data;
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161 scrollbar_values *val =
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162 (scrollbar_values *) instance->info->val->scrollbar_data;
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163 double percent;
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164
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165 if (!instance || widget->core.being_destroyed)
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166 return;
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167
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168 id = instance->info->id;
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169
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170 percent = (double) (data->value - 1) / (double) (INT_MAX - 1);
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171 event_data.slider_value =
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172 (int) (percent * (double) (val->maximum - val->minimum)) + val->minimum;
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173
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174 if (event_data.slider_value > val->maximum - val->slider_size)
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175 event_data.slider_value = val->maximum - val->slider_size;
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176 else if (event_data.slider_value < val->minimum)
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177 event_data.slider_value = val->minimum;
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178
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179 if (data->event)
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180 {
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181 switch (data->event->type)
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182 {
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183 case KeyPress:
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184 case KeyRelease:
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185 event_data.time = data->event->xkey.time;
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186 break;
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187 case ButtonPress:
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188 case ButtonRelease:
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189 event_data.time = data->event->xbutton.time;
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190 break;
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191 case MotionNotify:
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192 event_data.time = data->event->xmotion.time;
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193 break;
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194 case EnterNotify:
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195 case LeaveNotify:
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196 event_data.time = data->event->xcrossing.time;
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197 break;
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198 default:
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199 event_data.time = 0;
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200 break;
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201 }
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202 }
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203 else
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204 event_data.time = 0;
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205
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206 switch (data->reason)
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207 {
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208 case XmCR_DECREMENT: event_data.action = SCROLLBAR_LINE_UP; break;
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209 case XmCR_INCREMENT: event_data.action = SCROLLBAR_LINE_DOWN; break;
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210 case XmCR_PAGE_DECREMENT: event_data.action = SCROLLBAR_PAGE_UP; break;
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211 case XmCR_PAGE_INCREMENT: event_data.action = SCROLLBAR_PAGE_DOWN; break;
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212 case XmCR_TO_TOP: event_data.action = SCROLLBAR_TOP; break;
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213 case XmCR_TO_BOTTOM: event_data.action = SCROLLBAR_BOTTOM; break;
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214 case XmCR_DRAG: event_data.action = SCROLLBAR_DRAG; break;
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215 case XmCR_VALUE_CHANGED: event_data.action = SCROLLBAR_CHANGE; break;
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216 default: event_data.action = SCROLLBAR_CHANGE; break;
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217 }
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218
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219 if (instance->info->pre_activate_cb)
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220 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
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221 }
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222
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223 #define add_scrollbar_callback(resource) \
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224 XtAddCallback (scrollbar, resource, xlw_scrollbar_callback, (XtPointer) instance)
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225
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226 /* #### Does not yet support horizontal scrollbars. */
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227 static Widget
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228 xlw_create_scrollbar (widget_instance *instance, int vertical)
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229 {
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230 Arg al[20];
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231 int ac = 0;
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232 static XtCallbackRec callbacks[2] =
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233 { {xlw_scrollbar_callback, NULL}, {NULL, NULL} };
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234
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235 callbacks[0].closure = (XtPointer) instance;
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236
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237 XtSetArg (al[ac], XmNminimum, 1); ac++;
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238 XtSetArg (al[ac], XmNmaximum, INT_MAX); ac++;
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239 XtSetArg (al[ac], XmNincrement, 1); ac++;
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240 XtSetArg (al[ac], XmNpageIncrement, 1); ac++;
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241 XtSetArg (al[ac], XmNorientation, (vertical ? XmVERTICAL : XmHORIZONTAL)); ac++;
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242
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243 XtSetArg (al[ac], XmNdecrementCallback, callbacks); ac++;
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244 XtSetArg (al[ac], XmNdragCallback, callbacks); ac++;
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245 XtSetArg (al[ac], XmNincrementCallback, callbacks); ac++;
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246 XtSetArg (al[ac], XmNpageDecrementCallback, callbacks); ac++;
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247 XtSetArg (al[ac], XmNpageIncrementCallback, callbacks); ac++;
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248 XtSetArg (al[ac], XmNtoBottomCallback, callbacks); ac++;
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249 XtSetArg (al[ac], XmNtoTopCallback, callbacks); ac++;
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250 XtSetArg (al[ac], XmNvalueChangedCallback, callbacks); ac++;
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251
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252 return XtCreateWidget (instance->info->name, xlwScrollBarWidgetClass,
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253 instance->parent, al, ac);
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254 }
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255
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256 static Widget
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257 xlw_create_vertical_scrollbar (widget_instance *instance)
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258 {
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259 return xlw_create_scrollbar (instance, 1);
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260 }
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261
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262 static Widget
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263 xlw_create_horizontal_scrollbar (widget_instance *instance)
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264 {
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265 return xlw_create_scrollbar (instance, 0);
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266 }
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267
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268 static void
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269 xlw_update_scrollbar (widget_instance *instance, Widget widget,
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270 widget_value *val)
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271 {
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272 if (val->scrollbar_data)
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273 {
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274 scrollbar_values *data = val->scrollbar_data;
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275 int widget_sliderSize, widget_val;
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276 int new_sliderSize, new_value;
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277 double percent;
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278 Arg al [4];
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279
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280 /* First size and position the scrollbar widget. */
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281 XtSetArg (al [0], XtNx, data->scrollbar_x);
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282 XtSetArg (al [1], XtNy, data->scrollbar_y);
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283 XtSetArg (al [2], XtNwidth, data->scrollbar_width);
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284 XtSetArg (al [3], XtNheight, data->scrollbar_height);
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285 XtSetValues (widget, al, 4);
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286
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287 /* Now size the scrollbar's slider. */
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288 XtSetArg (al [0], XmNsliderSize, &widget_sliderSize);
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289 XtSetArg (al [1], XmNvalue, &widget_val);
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290 XtGetValues (widget, al, 2);
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291
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292 percent = (double) data->slider_size /
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293 (double) (data->maximum - data->minimum);
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294 percent = (percent > 1.0 ? 1.0 : percent);
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295 new_sliderSize = (int) ((double) (INT_MAX - 1) * percent);
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296
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297 percent = (double) (data->slider_position - data->minimum) /
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298 (double) (data->maximum - data->minimum);
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299 percent = (percent > 1.0 ? 1.0 : percent);
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300 new_value = (int) ((double) (INT_MAX - 1) * percent);
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301
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302 if (new_sliderSize > INT_MAX - 1)
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303 new_sliderSize = INT_MAX - 1;
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304 else if (new_sliderSize < 1)
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305 new_sliderSize = 1;
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306
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307 if (new_value > (INT_MAX - new_sliderSize))
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308 new_value = INT_MAX - new_sliderSize;
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309 else if (new_value < 1)
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310 new_value = 1;
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311
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312 if (new_sliderSize != widget_sliderSize || new_value != widget_val)
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313 XlwScrollBarSetValues (widget, new_value, new_sliderSize, 1, 1, False);
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314 }
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315 }
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316
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317 #endif /* LWLIB_SCROLLBARS_LUCID */
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318
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319 #ifdef LWLIB_TABS_LUCID
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320 /* tab control
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321
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322 lwlib is such an incredible hairy crock. I just cannot believe
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323 it! There are random dependencies between functions, there is a
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324 total lack of genericity, even though it initially appears to be
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325 generic. It should all be junked and begun again. Building tabs are
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326 an example - in theory we should be able to reuse a lot of the
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327 general stuff because we want to put labels of whatever toolkit we
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328 are using in the tab. Instead we have to hack it by hand. */
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329 static void
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330 xlw_tab_control_callback (Widget w, XtPointer client_data, XtPointer call_data)
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331 {
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332 /* call data is the topmost widget */
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333 widget_instance* instance = (widget_instance*)client_data;
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334 Widget top = (Widget)call_data;
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335 char *name = XtName (top);
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336 widget_value* widget_val;
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337 XtPointer widget_arg;
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338 LWLIB_ID id;
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339 lw_callback post_activate_cb;
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340
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341 if (w->core.being_destroyed)
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342 return;
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343
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344 /* Grab these values before running any functions, in case running
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345 the selection_cb causes the widget to be destroyed. */
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346 id = instance->info->id;
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347 post_activate_cb = instance->info->post_activate_cb;
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348
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349 /* search for the widget_val for the selected tab */
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350 for (widget_val = instance->info->val->contents; widget_val;
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351 widget_val = widget_val->next)
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352 {
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353 if (!strcmp (widget_val->name, name))
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354 break;
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355 }
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356
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357 widget_arg = widget_val ? widget_val->call_data : NULL;
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358
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359 if (instance->info->selection_cb &&
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360 widget_val &&
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361 widget_val->enabled &&
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362 !widget_val->contents)
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363 instance->info->selection_cb (w, id, widget_arg);
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364
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365 if (post_activate_cb)
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366 post_activate_cb (w, id, widget_arg);
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367 }
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368
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369 static Widget
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370 xlw_create_tab_control (widget_instance *instance)
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371 {
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372 Arg al[20];
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373 int ac = 0;
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374 Widget tab = 0;
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375 widget_value* val = instance->info->val;
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376
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377 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++;
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378 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
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379 XtSetArg (al [ac], XtNorientation, XtorientHorizontal); ac++;
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380 XtSetArg (al [ac], XtNresizable, False); ac++;
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381
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382 /* add any args the user supplied for creation time */
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383 lw_add_value_args_to_args (val, al, &ac);
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384
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385 tab = XtCreateManagedWidget (val->name, tabsWidgetClass,
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386 instance->parent, al, ac);
|
|
|
387 XtRemoveAllCallbacks (tab, XtNcallback);
|
|
|
388 XtAddCallback (tab, XtNcallback, xlw_tab_control_callback, (XtPointer)instance);
|
|
|
389
|
|
|
390 XtManageChild (tab);
|
|
|
391
|
|
|
392 return tab;
|
|
|
393 }
|
|
|
394
|
|
|
395 static void build_tabs_in_widget (widget_instance* instance, Widget widget,
|
|
|
396 widget_value* val)
|
|
|
397 {
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|
|
398 widget_value* cur = val;
|
|
|
399 for (cur = val; cur; cur = cur->next)
|
|
|
400 {
|
|
|
401 if (cur->value)
|
|
|
402 {
|
|
|
403 #ifdef LWLIB_WIDGETS_MOTIF
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|
|
404 xm_create_label (widget, cur);
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|
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405 #else
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|
|
406 xaw_create_label (widget, cur);
|
|
|
407 #endif
|
|
|
408 }
|
|
|
409 cur->change = NO_CHANGE;
|
|
|
410 }
|
|
|
411 }
|
|
|
412
|
|
|
413 static void
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|
|
414 xlw_update_tab_control (widget_instance* instance, Widget widget, widget_value* val)
|
|
|
415 {
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|
|
416 Widget* children;
|
|
|
417 unsigned int num_children;
|
|
|
418 int i;
|
|
|
419 widget_value *cur = 0;
|
|
|
420
|
|
|
421 XtRemoveAllCallbacks (widget, XtNcallback);
|
|
|
422 XtAddCallback (widget, XtNcallback, xlw_tab_control_callback, (XtPointer)instance);
|
|
|
423
|
|
|
424 if (val->change == STRUCTURAL_CHANGE
|
|
|
425 ||
|
|
|
426 (val->contents && val->contents->change == STRUCTURAL_CHANGE))
|
|
|
427 {
|
|
|
428 destroy_all_children (widget);
|
|
|
429 build_tabs_in_widget (instance, widget, val->contents);
|
|
|
430 }
|
|
|
431
|
|
|
432 children = XtCompositeChildren (widget, &num_children);
|
|
|
433 if (children)
|
|
|
434 {
|
|
|
435 for (i = 0, cur = val->contents; i < num_children; i++)
|
|
|
436 {
|
|
|
437 if (!cur)
|
|
|
438 abort ();
|
|
|
439 if (children [i]->core.being_destroyed
|
|
|
440 || strcmp (XtName (children [i]), cur->name))
|
|
|
441 continue;
|
|
|
442 #ifdef NEED_MOTIF
|
|
|
443 if (lw_motif_widget_p (children [i]))
|
|
|
444 xm_update_one_widget (instance, children [i], cur, False);
|
|
|
445 #endif
|
|
|
446 #ifdef NEED_ATHENA
|
|
|
447 if (lw_xaw_widget_p (children [i]))
|
|
|
448 xaw_update_one_widget (instance, children [i], cur, False);
|
|
|
449 #endif
|
|
|
450 cur = cur->next;
|
|
|
451 }
|
|
|
452 XtFree ((char *) children);
|
|
|
453 }
|
|
|
454 if (cur)
|
|
|
455 abort ();
|
|
|
456 }
|
|
|
457 #endif /* LWLIB_TABS_LUCID */
|
|
|
458
|
|
|
459 #ifdef HAVE_WIDGETS
|
|
|
460 static Widget
|
|
|
461 xlw_create_clip_window (widget_instance *instance)
|
|
|
462 {
|
|
|
463 Arg al[20];
|
|
|
464 int ac = 0;
|
|
|
465 Widget clip = 0;
|
|
|
466 widget_value* val = instance->info->val;
|
|
|
467
|
|
|
468 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++;
|
|
|
469 XtSetArg (al [ac], XtNsensitive, TRUE); ac++;
|
|
|
470 /* add any args the user supplied for creation time */
|
|
|
471 lw_add_value_args_to_args (val, al, &ac);
|
|
|
472
|
|
|
473 /* Create a clip window to contain the subwidget. Incredibly the
|
|
|
474 XEmacs manager seems to be the most appropriate widget for
|
|
|
475 this. Nothing else is simple enough and yet does what is
|
|
|
476 required. */
|
|
|
477 clip = XtCreateManagedWidget (val->name,
|
|
|
478 emacsManagerWidgetClass,
|
|
|
479 instance->parent, al, ac);
|
|
|
480
|
|
|
481 return clip;
|
|
|
482 }
|
|
|
483 #endif
|
|
|
484
|
|
450
|
485 const widget_creation_entry
|
|
428
|
486 xlw_creation_table [] =
|
|
|
487 {
|
|
|
488 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
489 {"menubar", xlw_create_menubar},
|
|
|
490 {"popup", xlw_create_popup_menu},
|
|
|
491 #endif
|
|
|
492 #ifdef LWLIB_SCROLLBARS_LUCID
|
|
|
493 {"vertical-scrollbar", xlw_create_vertical_scrollbar},
|
|
|
494 {"horizontal-scrollbar", xlw_create_horizontal_scrollbar},
|
|
|
495 #endif
|
|
|
496 #ifdef LWLIB_TABS_LUCID
|
|
|
497 {"tab-control", xlw_create_tab_control},
|
|
|
498 #endif
|
|
|
499 #ifdef HAVE_WIDGETS
|
|
|
500 {"clip-window", xlw_create_clip_window},
|
|
|
501 #endif
|
|
|
502 {NULL, NULL}
|
|
|
503 };
|
|
|
504
|
|
|
505 Boolean
|
|
|
506 lw_lucid_widget_p (Widget widget)
|
|
|
507 {
|
|
|
508 WidgetClass the_class = XtClass (widget);
|
|
|
509 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
510 if (the_class == xlwMenuWidgetClass)
|
|
|
511 return True;
|
|
|
512 #endif
|
|
|
513 #ifdef LWLIB_SCROLLBARS_LUCID
|
|
|
514 if (the_class == xlwScrollBarWidgetClass)
|
|
|
515 return True;
|
|
|
516 #endif
|
|
|
517 #ifdef LWLIB_TABS_LUCID
|
|
|
518 if (the_class == tabsWidgetClass)
|
|
|
519 return True;
|
|
|
520 #endif
|
|
|
521 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
522 if (the_class == overrideShellWidgetClass)
|
|
|
523 return
|
|
|
524 XtClass (((CompositeWidget)widget)->composite.children [0])
|
|
|
525 == xlwMenuWidgetClass;
|
|
|
526 #endif
|
|
432
|
527 #ifdef HAVE_WIDGETS
|
|
|
528 if (the_class == emacsManagerWidgetClass)
|
|
|
529 return True;
|
|
|
530 #endif
|
|
428
|
531 return False;
|
|
|
532 }
|
|
|
533
|
|
|
534 void
|
|
|
535 xlw_update_one_widget (widget_instance* instance, Widget widget,
|
|
|
536 widget_value* val, Boolean deep_p)
|
|
|
537 {
|
|
|
538 WidgetClass class = XtClass (widget);
|
|
|
539
|
|
|
540 if (0)
|
|
|
541 ;
|
|
|
542 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
543 else if (class == xlwMenuWidgetClass)
|
|
|
544 {
|
|
|
545 XlwMenuWidget mw;
|
|
|
546 Arg al [1];
|
|
|
547 if (XtIsShell (widget))
|
|
|
548 mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0];
|
|
|
549 else
|
|
|
550 mw = (XlwMenuWidget)widget;
|
|
|
551 XtSetArg (al [0], XtNmenu, val);
|
|
446
|
552 XtSetValues (widget, al, 1); /* #### mw unused! */
|
|
428
|
553 }
|
|
|
554 #endif
|
|
|
555 #ifdef LWLIB_SCROLLBARS_LUCID
|
|
|
556 else if (class == xlwScrollBarWidgetClass)
|
|
|
557 {
|
|
|
558 xlw_update_scrollbar (instance, widget, val);
|
|
|
559 }
|
|
|
560 #endif
|
|
|
561 #ifdef LWLIB_TABS_LUCID
|
|
|
562 else if (class == tabsWidgetClass)
|
|
|
563 {
|
|
|
564 xlw_update_tab_control (instance, widget, val);
|
|
|
565 }
|
|
|
566 #endif
|
|
442
|
567 /* Lastly update our global arg values. */
|
|
|
568 if (val->args && val->args->nargs)
|
|
|
569 XtSetValues (widget, val->args->args, val->args->nargs);
|
|
428
|
570 }
|
|
|
571
|
|
|
572 void
|
|
|
573 xlw_update_one_value (widget_instance* instance, Widget widget,
|
|
|
574 widget_value* val)
|
|
|
575 {
|
|
|
576 return;
|
|
|
577 }
|
|
|
578
|
|
|
579 void
|
|
|
580 xlw_pop_instance (widget_instance* instance, Boolean up)
|
|
|
581 {
|
|
|
582 }
|
|
|
583
|
|
|
584 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
585 void
|
|
|
586 xlw_popup_menu (Widget widget, XEvent *event)
|
|
|
587 {
|
|
|
588 XlwMenuWidget mw;
|
|
|
589
|
|
|
590 if (!XtIsShell (widget))
|
|
|
591 return;
|
|
|
592
|
|
|
593 if (event->type == ButtonPress || event->type == ButtonRelease)
|
|
|
594 {
|
|
|
595 mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0];
|
|
|
596 xlw_pop_up_menu (mw, (XButtonPressedEvent *)event);
|
|
|
597 }
|
|
|
598 else
|
|
|
599 abort ();
|
|
|
600 }
|
|
|
601 #endif /* LWLIB_MENUBARS_LUCID */
|
|
|
602
|
|
|
603 /* Destruction of instances */
|
|
|
604 void
|
|
|
605 xlw_destroy_instance (widget_instance* instance)
|
|
|
606 {
|
|
|
607 if (instance->widget)
|
|
|
608 XtDestroyWidget (instance->widget);
|
|
|
609 }
|
