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0
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1 /* General GUI code -- X-specific. (menubars, scrollbars, toolbars, dialogs)
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2 Copyright (C) 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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259
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5 Copyright (C) 1998 Free Software Foundation, Inc.
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0
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28
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29 #include "console-x.h"
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30 #ifdef LWLIB_USES_MOTIF
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31 #include <Xm/Xm.h> /* for XmVersion */
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32 #endif
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33 #include "gui-x.h"
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34 #include "buffer.h"
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35 #include "device.h"
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36 #include "frame.h"
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231
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37 #include "gui.h"
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0
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38 #include "opaque.h"
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280
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39 #include "bytecode.h" /* for struct Lisp_Compiled_Function */
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0
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40
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41 #ifdef HAVE_POPUPS
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42 Lisp_Object Qmenu_no_selection_hook;
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43 #endif
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44
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45 /* we need a unique id for each popup menu, dialog box, and scrollbar */
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46 static unsigned int lwlib_id_tick;
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47
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48 LWLIB_ID
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49 new_lwlib_id (void)
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50 {
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51 return ++lwlib_id_tick;
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52 }
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53
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54 widget_value *
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55 xmalloc_widget_value (void)
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56 {
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57 widget_value *tmp = malloc_widget_value ();
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58 if (!tmp) memory_full ();
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59 return tmp;
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60 }
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61
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62
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63 #ifdef HAVE_POPUPS
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64
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65 struct mark_widget_value_closure
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66 {
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67 void (*markobj) (Lisp_Object);
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68 };
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69
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70 static int
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71 mark_widget_value_mapper (widget_value *val, void *closure)
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72 {
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73 Lisp_Object markee;
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74
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75 struct mark_widget_value_closure *cl =
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76 (struct mark_widget_value_closure *) closure;
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77 if (val->call_data)
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78 {
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79 VOID_TO_LISP (markee, val->call_data);
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80 (cl->markobj) (markee);
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81 }
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82
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175
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83 if (val->accel)
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84 {
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85 VOID_TO_LISP (markee, val->accel);
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86 (cl->markobj) (markee);
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87 }
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0
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88 return 0;
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89 }
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90
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91 static Lisp_Object
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92 mark_popup_data (Lisp_Object obj, void (*markobj) (Lisp_Object))
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93 {
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94 struct popup_data *data = (struct popup_data *) XPOPUP_DATA (obj);
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95
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96 /* Now mark the callbacks and such that are hidden in the lwlib
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97 call-data */
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98
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99 if (data->id)
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100 {
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101 struct mark_widget_value_closure closure;
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102
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103 closure.markobj = markobj;
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104 lw_map_widget_values (data->id, mark_widget_value_mapper, &closure);
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105 }
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173
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106
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107 return data->last_menubar_buffer;
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0
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108 }
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109
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272
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110 DEFINE_LRECORD_IMPLEMENTATION ("popup-data", popup_data,
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111 mark_popup_data, internal_object_printer,
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112 0, 0, 0, struct popup_data);
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113
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0
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114 /* This is like FRAME_MENUBAR_DATA (f), but contains an alist of
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115 (id . popup-data) for GCPRO'ing the callbacks of the popup menus
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116 and dialog boxes. */
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117 static Lisp_Object Vpopup_callbacks;
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118
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119 void
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120 gcpro_popup_callbacks (LWLIB_ID id)
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121 {
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122 struct popup_data *pdata;
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123 Lisp_Object lid = make_int (id);
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272
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124 Lisp_Object lpdata;
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0
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125
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126 assert (NILP (assq_no_quit (lid, Vpopup_callbacks)));
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185
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127 pdata = alloc_lcrecord_type (struct popup_data, lrecord_popup_data);
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0
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128 pdata->id = id;
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129 pdata->last_menubar_buffer = Qnil;
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130 pdata->menubar_contents_up_to_date = 0;
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131 XSETPOPUP_DATA (lpdata, pdata);
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132 Vpopup_callbacks = Fcons (Fcons (lid, lpdata), Vpopup_callbacks);
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133 }
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134
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135 void
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136 ungcpro_popup_callbacks (LWLIB_ID id)
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137 {
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138 Lisp_Object lid = make_int (id);
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139 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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140 assert (!NILP (this));
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141 Vpopup_callbacks = delq_no_quit (this, Vpopup_callbacks);
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142 }
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143
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144 int
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145 popup_handled_p (LWLIB_ID id)
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146 {
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173
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147 return NILP (assq_no_quit (make_int (id), Vpopup_callbacks));
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0
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148 }
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149
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150 /* menu_item_descriptor_to_widget_value() et al. mallocs a
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151 widget_value, but then may signal lisp errors. If an error does
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152 not occur, the opaque ptr we have here has had its pointer set to 0
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153 to tell us not to do anything. Otherwise we free the widget value.
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154 (This has nothing to do with GC, it's just about not dropping
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155 pointers to malloc'd data when errors happen.) */
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156
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157 Lisp_Object
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158 widget_value_unwind (Lisp_Object closure)
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159 {
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160 widget_value *wv = (widget_value *) get_opaque_ptr (closure);
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161 free_opaque_ptr (closure);
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162 if (wv)
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163 free_widget_value (wv);
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164 return Qnil;
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165 }
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166
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167 #if 0
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168 static void
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169 print_widget_value (widget_value *wv, int depth)
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170 {
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171 /* !!#### This function has not been Mule-ized */
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172 char d [200];
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173 int i;
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174 for (i = 0; i < depth; i++) d[i] = ' ';
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175 d[depth]=0;
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176 /* #### - print type field */
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177 printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)"));
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178 if (wv->value) printf ("%svalue: %s\n", d, wv->value);
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179 if (wv->key) printf ("%skey: %s\n", d, wv->key);
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180 printf ("%senabled: %d\n", d, wv->enabled);
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181 if (wv->contents)
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182 {
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183 printf ("\n%scontents: \n", d);
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184 print_widget_value (wv->contents, depth + 5);
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185 }
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186 if (wv->next)
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187 {
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188 printf ("\n");
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189 print_widget_value (wv->next, depth);
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190 }
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191 }
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192 #endif
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193
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194 /* This recursively calls free_widget_value() on the tree of widgets.
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195 It must free all data that was malloc'ed for these widget_values.
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196
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197 It used to be that emacs only allocated new storage for the `key' slot.
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198 All other slots are pointers into the data of Lisp_Strings, and must be
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199 left alone. */
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200 void
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201 free_popup_widget_value_tree (widget_value *wv)
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202 {
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203 if (! wv) return;
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204 if (wv->key) xfree (wv->key);
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205 if (wv->value) xfree (wv->value);
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206
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207 wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
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208
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209 if (wv->contents && (wv->contents != (widget_value*)1))
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210 {
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211 free_popup_widget_value_tree (wv->contents);
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212 wv->contents = (widget_value *) 0xDEADBEEF;
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213 }
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214 if (wv->next)
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215 {
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216 free_popup_widget_value_tree (wv->next);
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217 wv->next = (widget_value *) 0xDEADBEEF;
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218 }
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219 free_widget_value (wv);
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220 }
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221
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222 /* The following is actually called from somewhere within XtDispatchEvent(),
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223 called from XtAppProcessEvent() in event-Xt.c */
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224
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225 void
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226 popup_selection_callback (Widget widget, LWLIB_ID ignored_id,
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227 XtPointer client_data)
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228 {
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229 Lisp_Object fn, arg;
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230 Lisp_Object data;
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272
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231 Lisp_Object frame;
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0
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232 struct device *d = get_device_from_display (XtDisplay (widget));
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233 struct frame *f = x_any_widget_or_parent_to_frame (d, widget);
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234
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175
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235 /* set in lwlib to the time stamp associated with the most recent menu
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236 operation */
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237 extern Time x_focus_timestamp_really_sucks_fix_me_better;
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238
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0
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239 if (!f)
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240 return;
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241 if (((EMACS_INT) client_data) == 0)
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242 return;
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243 VOID_TO_LISP (data, client_data);
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244 XSETFRAME (frame, f);
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245
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246 #if 0
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247 /* #### What the hell? I can't understand why this call is here,
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248 and doing it is really courting disaster in the new event
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249 model, since popup_selection_callback is called from
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250 within next_event_internal() and Faccept_process_output()
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251 itself calls next_event_internal(). --Ben */
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252
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253 /* Flush the X and process input */
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254 Faccept_process_output (Qnil, Qnil, Qnil);
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255 #endif
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256
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257 if (((EMACS_INT) client_data) == -1)
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258 {
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259 fn = Qrun_hooks;
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260 arg = Qmenu_no_selection_hook;
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261 }
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280
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262 else if (SYMBOLP (data)
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263 /* poor man's commandp */
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264 || (COMPILED_FUNCTIONP (data)
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265 && XCOMPILED_FUNCTION (data)->flags.interactivep)
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266 || (EQ (XCAR (data), Qlambda)
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267 && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
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0
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268 {
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269 fn = Qcall_interactively;
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270 arg = data;
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271 }
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272 else if (CONSP (data))
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273 {
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274 fn = Qeval;
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275 arg = data;
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276 }
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277 else
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278 {
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279 fn = Qeval;
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280 arg = list3 (Qsignal,
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281 list2 (Qquote, Qerror),
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282 list2 (Qquote, list2 (build_translated_string
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283 ("illegal popup callback"),
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284 data)));
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285 }
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286
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287 /* This is the timestamp used for asserting focus so we need to get an
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288 up-to-date value event if no events has been dispatched to emacs
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289 */
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179
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290 #if defined(HAVE_MENUBARS)
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175
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291 DEVICE_X_MOUSE_TIMESTAMP (d) = x_focus_timestamp_really_sucks_fix_me_better;
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177
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292 #else
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293 DEVICE_X_MOUSE_TIMESTAMP (d) = DEVICE_X_GLOBAL_MOUSE_TIMESTAMP (d);
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294 #endif
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0
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295 signal_special_Xt_user_event (frame, fn, arg);
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296 }
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297
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298 #if 1
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299 /* Eval the activep slot of the menu item */
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300 # define wv_set_evalable_slot(slot,form) \
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301 do { Lisp_Object _f_ = (form); \
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302 slot = (NILP (_f_) ? 0 : \
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303 EQ (_f_, Qt) ? 1 : \
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304 !NILP (Feval (_f_))); \
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305 } while (0)
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306 #else
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307 /* Treat the activep slot of the menu item as a boolean */
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308 # define wv_set_evalable_slot(slot,form) \
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309 slot = (!NILP ((form)))
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310 #endif
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311
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312 char *
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313 menu_separator_style (CONST char *s)
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314 {
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315 CONST char *p;
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316 char first;
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317
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318 if (!s || s[0] == '\0')
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319 return NULL;
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320 first = s[0];
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321 if (first != '-' && first != '=')
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322 return NULL;
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323 for (p = s; *p == first; p++);
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324
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325 /* #### - cannot currently specify a separator tag "--!tag" and a
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326 separator style "--:style" at the same time. */
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327 /* #### - Also, the motif menubar code doesn't deal with the
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328 double etched style yet, so it's not good to get into the habit of
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329 using "===" in menubars to get double-etched lines */
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330 if (*p == '!' || *p == '\0')
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331 return ((first == '-')
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272
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332 ? NULL /* single etched is the default */
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0
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333 : xstrdup ("shadowDoubleEtchedIn"));
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334 else if (*p == ':')
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335 return xstrdup (p+1);
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173
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336
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0
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337 return NULL;
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338 }
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339
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175
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340 /* set menu accelerator key to first underlined character in menu name */
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341
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342 Lisp_Object
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343 menu_name_to_accelerator (char *name)
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344 {
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345 while (*name) {
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346 if (*name=='%') {
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347 ++name;
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348 if (!(*name))
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349 return Qnil;
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350 if (*name=='_'&&*(name+1))
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351 return make_char (tolower(*(name+1)));
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352 }
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353 ++name;
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354 }
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355 return Qnil;
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356 }
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357
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0
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358 /* This does the dirty work. gc_currently_forbidden is 1 when this is called.
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359 */
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360
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361 int
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362 button_item_to_widget_value (Lisp_Object desc, widget_value *wv,
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363 int allow_text_field_p, int no_keys_p)
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364 {
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365 /* !!#### This function has not been Mule-ized */
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366 /* This function cannot GC because gc_currently_forbidden is set when
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367 it's called */
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2
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368 Lisp_Object name = Qnil;
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369 Lisp_Object callback = Qnil;
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370 Lisp_Object suffix = Qnil;
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371 Lisp_Object active_p = Qt;
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372 Lisp_Object include_p = Qt;
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0
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373 Lisp_Object selected_p = Qnil;
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2
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374 Lisp_Object keys = Qnil;
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375 Lisp_Object style = Qnil;
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0
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376 Lisp_Object config_tag = Qnil;
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175
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377 Lisp_Object accel = Qnil;
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173
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378 int length = XVECTOR_LENGTH (desc);
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379 Lisp_Object *contents = XVECTOR_DATA (desc);
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0
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380 int plist_p;
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381 int selected_spec = 0, included_spec = 0;
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382
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259
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383 if (length < 2)
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384 signal_simple_error ("button descriptors must be at least 2 long", desc);
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0
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385
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259
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386 /* length 2: [ "name" callback ]
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387 length 3: [ "name" callback active-p ]
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0
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388 length 4: [ "name" callback active-p suffix ]
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389 or [ "name" callback keyword value ]
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390 length 5+: [ "name" callback [ keyword value ]+ ]
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391 */
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259
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392 plist_p = (length >= 5 || (length > 2 && KEYWORDP (contents [2])));
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0
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393
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259
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394 if (!plist_p && length > 2)
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0
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395 /* the old way */
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396 {
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397 name = contents [0];
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398 callback = contents [1];
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399 active_p = contents [2];
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|
|
400 if (length == 4)
|
|
|
401 suffix = contents [3];
|
|
|
402 }
|
|
|
403 else
|
|
|
404 {
|
|
|
405 /* the new way */
|
|
|
406 int i;
|
|
|
407 if (length & 1)
|
|
|
408 signal_simple_error (
|
|
|
409 "button descriptor has an odd number of keywords and values",
|
|
|
410 desc);
|
|
|
411
|
|
|
412 name = contents [0];
|
|
|
413 callback = contents [1];
|
|
|
414 for (i = 2; i < length;)
|
|
|
415 {
|
|
|
416 Lisp_Object key = contents [i++];
|
|
|
417 Lisp_Object val = contents [i++];
|
|
|
418 if (!KEYWORDP (key))
|
|
|
419 signal_simple_error_2 ("not a keyword", key, desc);
|
|
|
420
|
|
2
|
421 if (EQ (key, Q_active)) active_p = val;
|
|
|
422 else if (EQ (key, Q_suffix)) suffix = val;
|
|
|
423 else if (EQ (key, Q_keys)) keys = val;
|
|
|
424 else if (EQ (key, Q_style)) style = val;
|
|
0
|
425 else if (EQ (key, Q_selected)) selected_p = val, selected_spec = 1;
|
|
2
|
426 else if (EQ (key, Q_included)) include_p = val, included_spec = 1;
|
|
0
|
427 else if (EQ (key, Q_config)) config_tag = val;
|
|
175
|
428 else if (EQ (key, Q_accelerator))
|
|
|
429 {
|
|
|
430 if ( SYMBOLP (val)
|
|
|
431 || CHARP (val))
|
|
|
432 accel = val;
|
|
|
433 else
|
|
|
434 signal_simple_error ("bad keyboard accelerator", val);
|
|
|
435 }
|
|
0
|
436 else if (EQ (key, Q_filter))
|
|
|
437 signal_simple_error(":filter keyword not permitted on leaf nodes", desc);
|
|
173
|
438 else
|
|
0
|
439 signal_simple_error_2 ("unknown menu item keyword", key, desc);
|
|
|
440 }
|
|
|
441 }
|
|
|
442
|
|
|
443 #ifdef HAVE_MENUBARS
|
|
|
444 if ((!NILP (config_tag) && NILP (Fmemq (config_tag, Vmenubar_configuration)))
|
|
|
445 || (included_spec && NILP (Feval (include_p))))
|
|
|
446 {
|
|
|
447 /* the include specification says to ignore this item. */
|
|
|
448 return 0;
|
|
|
449 }
|
|
16
|
450 #endif /* HAVE_MENUBARS */
|
|
0
|
451
|
|
|
452 CHECK_STRING (name);
|
|
14
|
453 wv->name = (char *) XSTRING_DATA (name);
|
|
0
|
454
|
|
175
|
455 if (NILP (accel))
|
|
|
456 accel = menu_name_to_accelerator (wv->name);
|
|
|
457 wv->accel = LISP_TO_VOID (accel);
|
|
185
|
458
|
|
0
|
459 if (!NILP (suffix))
|
|
|
460 {
|
|
|
461 CONST char *const_bogosity;
|
|
259
|
462 Lisp_Object suffix2;
|
|
272
|
463
|
|
259
|
464 /* Shortcut to avoid evaluating suffix each time */
|
|
|
465 if (STRINGP (suffix))
|
|
|
466 suffix2 = suffix;
|
|
|
467 else
|
|
|
468 {
|
|
|
469 suffix2 = Feval (suffix);
|
|
|
470 CHECK_STRING (suffix2);
|
|
|
471 }
|
|
|
472
|
|
|
473 GET_C_STRING_FILENAME_DATA_ALLOCA (suffix2, const_bogosity);
|
|
0
|
474 wv->value = (char *) const_bogosity;
|
|
|
475 wv->value = xstrdup (wv->value);
|
|
|
476 }
|
|
|
477
|
|
|
478 wv_set_evalable_slot (wv->enabled, active_p);
|
|
|
479 wv_set_evalable_slot (wv->selected, selected_p);
|
|
|
480
|
|
|
481 wv->call_data = LISP_TO_VOID (callback);
|
|
|
482
|
|
|
483 if (no_keys_p
|
|
|
484 #ifdef HAVE_MENUBARS
|
|
|
485 || !menubar_show_keybindings
|
|
|
486 #endif
|
|
|
487 )
|
|
|
488 wv->key = 0;
|
|
|
489 else if (!NILP (keys)) /* Use this string to generate key bindings */
|
|
|
490 {
|
|
|
491 CHECK_STRING (keys);
|
|
|
492 keys = Fsubstitute_command_keys (keys);
|
|
14
|
493 if (XSTRING_LENGTH (keys) > 0)
|
|
|
494 wv->key = xstrdup ((char *) XSTRING_DATA (keys));
|
|
0
|
495 else
|
|
|
496 wv->key = 0;
|
|
|
497 }
|
|
|
498 else if (SYMBOLP (callback)) /* Show the binding of this command. */
|
|
|
499 {
|
|
|
500 char buf [1024];
|
|
|
501 /* #### Warning, dependency here on current_buffer and point */
|
|
|
502 where_is_to_char (callback, buf);
|
|
|
503 if (buf [0])
|
|
|
504 wv->key = xstrdup (buf);
|
|
|
505 else
|
|
|
506 wv->key = 0;
|
|
|
507 }
|
|
|
508
|
|
|
509 CHECK_SYMBOL (style);
|
|
|
510 if (NILP (style))
|
|
|
511 {
|
|
|
512 /* If the callback is nil, treat this item like unselectable text.
|
|
|
513 This way, dashes will show up as a separator. */
|
|
|
514 if (!wv->enabled)
|
|
|
515 wv->type = BUTTON_TYPE;
|
|
|
516 if (separator_string_p (wv->name))
|
|
|
517 {
|
|
|
518 wv->type = SEPARATOR_TYPE;
|
|
|
519 wv->value = menu_separator_style (wv->name);
|
|
|
520 }
|
|
|
521 else
|
|
|
522 {
|
|
|
523 #if 0
|
|
|
524 /* #### - this is generally desirable for menubars, but it breaks
|
|
|
525 a package that uses dialog boxes and next_command_event magic
|
|
|
526 to use the callback slot in dialog buttons for data instead of
|
|
|
527 a real callback.
|
|
|
528
|
|
|
529 Code is data, right? The beauty of LISP abuse. --Stig */
|
|
|
530 if (NILP (callback))
|
|
|
531 wv->type = TEXT_TYPE;
|
|
|
532 else
|
|
|
533 #endif
|
|
|
534 wv->type = BUTTON_TYPE;
|
|
|
535 }
|
|
|
536 }
|
|
|
537 else if (EQ (style, Qbutton))
|
|
|
538 wv->type = BUTTON_TYPE;
|
|
|
539 else if (EQ (style, Qtoggle))
|
|
|
540 wv->type = TOGGLE_TYPE;
|
|
|
541 else if (EQ (style, Qradio))
|
|
|
542 wv->type = RADIO_TYPE;
|
|
|
543 else if (EQ (style, Qtext))
|
|
|
544 {
|
|
|
545 wv->type = TEXT_TYPE;
|
|
|
546 #if 0
|
|
|
547 wv->value = wv->name;
|
|
|
548 wv->name = "value";
|
|
173
|
549 #endif
|
|
0
|
550 }
|
|
|
551 else
|
|
|
552 signal_simple_error_2 ("unknown style", style, desc);
|
|
|
553
|
|
|
554 if (!allow_text_field_p && (wv->type == TEXT_TYPE))
|
|
|
555 signal_simple_error ("text field not allowed in this context", desc);
|
|
|
556
|
|
|
557 if (selected_spec && EQ (style, Qtext))
|
|
|
558 signal_simple_error (
|
|
|
559 ":selected only makes sense with :style toggle, radio or button",
|
|
|
560 desc);
|
|
|
561 return 1;
|
|
|
562 }
|
|
|
563
|
|
|
564 #endif /* HAVE_POPUPS */
|
|
|
565
|
|
|
566 /* This is a kludge to make sure emacs can only link against a version of
|
|
|
567 lwlib that was compiled in the right way. Emacs references symbols which
|
|
|
568 correspond to the way it thinks lwlib was compiled, and if lwlib wasn't
|
|
|
569 compiled in that way, then somewhat meaningful link errors will result.
|
|
|
570 The alternatives to this range from obscure link errors, to obscure
|
|
|
571 runtime errors that look a lot like bugs.
|
|
|
572 */
|
|
|
573
|
|
|
574 static void
|
|
|
575 sanity_check_lwlib (void)
|
|
|
576 {
|
|
|
577 #define MACROLET(v) { extern int v; v = 1; }
|
|
|
578
|
|
|
579 #if (XlibSpecificationRelease == 4)
|
|
|
580 MACROLET (lwlib_uses_x11r4);
|
|
|
581 #elif (XlibSpecificationRelease == 5)
|
|
|
582 MACROLET (lwlib_uses_x11r5);
|
|
|
583 #elif (XlibSpecificationRelease == 6)
|
|
|
584 MACROLET (lwlib_uses_x11r6);
|
|
|
585 #else
|
|
|
586 MACROLET (lwlib_uses_unknown_x11);
|
|
|
587 #endif
|
|
|
588 #ifdef LWLIB_USES_MOTIF
|
|
|
589 MACROLET (lwlib_uses_motif);
|
|
|
590 #else
|
|
|
591 MACROLET (lwlib_does_not_use_motif);
|
|
|
592 #endif
|
|
|
593 #if (XmVersion >= 1002)
|
|
|
594 MACROLET (lwlib_uses_motif_1_2);
|
|
|
595 #else
|
|
|
596 MACROLET (lwlib_does_not_use_motif_1_2);
|
|
|
597 #endif
|
|
|
598 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
599 MACROLET (lwlib_menubars_lucid);
|
|
|
600 #elif defined (HAVE_MENUBARS)
|
|
|
601 MACROLET (lwlib_menubars_motif);
|
|
|
602 #endif
|
|
|
603 #ifdef LWLIB_SCROLLBARS_LUCID
|
|
|
604 MACROLET (lwlib_scrollbars_lucid);
|
|
|
605 #elif defined (LWLIB_SCROLLBARS_MOTIF)
|
|
|
606 MACROLET (lwlib_scrollbars_motif);
|
|
|
607 #elif defined (HAVE_SCROLLBARS)
|
|
|
608 MACROLET (lwlib_scrollbars_athena);
|
|
|
609 #endif
|
|
|
610 #ifdef LWLIB_DIALOGS_MOTIF
|
|
|
611 MACROLET (lwlib_dialogs_motif);
|
|
|
612 #elif defined (HAVE_DIALOGS)
|
|
|
613 MACROLET (lwlib_dialogs_athena);
|
|
|
614 #endif
|
|
|
615
|
|
|
616 #undef MACROLET
|
|
|
617 }
|
|
|
618
|
|
|
619 void
|
|
|
620 syms_of_gui_x (void)
|
|
|
621 {
|
|
|
622 #ifdef HAVE_POPUPS
|
|
|
623 defsymbol (&Qmenu_no_selection_hook, "menu-no-selection-hook");
|
|
|
624 #endif
|
|
|
625 }
|
|
|
626
|
|
|
627 void
|
|
|
628 vars_of_gui_x (void)
|
|
|
629 {
|
|
|
630 lwlib_id_tick = (1<<16); /* start big, to not conflict with Energize */
|
|
|
631
|
|
|
632 #ifdef HAVE_POPUPS
|
|
|
633 popup_up_p = 0;
|
|
|
634
|
|
|
635 Vpopup_callbacks = Qnil;
|
|
|
636 staticpro (&Vpopup_callbacks);
|
|
|
637
|
|
|
638 #if 0
|
|
|
639 /* This DEFVAR_LISP is just for the benefit of make-docfile. */
|
|
|
640 /* #### misnamed */
|
|
|
641 DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
|
|
|
642 Function or functions to call when a menu or dialog box is dismissed
|
|
|
643 without a selection having been made.
|
|
|
644 */ );
|
|
|
645 #endif
|
|
|
646 Fset (Qmenu_no_selection_hook, Qnil);
|
|
|
647 #endif /* HAVE_POPUPS */
|
|
|
648
|
|
|
649 /* this makes only safe calls as in emacs.c */
|
|
|
650 sanity_check_lwlib ();
|
|
|
651 }
|
