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428
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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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5 Copyright (C) 1998 Free Software Foundation, Inc.
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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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37 #include "gui.h"
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38 #include "redisplay.h"
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39 #include "opaque.h"
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40
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41 Lisp_Object Qmenu_no_selection_hook;
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42
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43 /* we need a unique id for each popup menu, dialog box, and scrollbar */
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44 static unsigned int lwlib_id_tick;
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45
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46 LWLIB_ID
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47 new_lwlib_id (void)
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48 {
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49 return ++lwlib_id_tick;
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50 }
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51
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52 widget_value *
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53 xmalloc_widget_value (void)
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54 {
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55 widget_value *tmp = malloc_widget_value ();
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56 if (!tmp) memory_full ();
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57 return tmp;
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58 }
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59
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60
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61 static int
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62 mark_widget_value_mapper (widget_value *val, void *closure)
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63 {
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64 Lisp_Object markee;
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65 if (val->call_data)
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66 {
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67 VOID_TO_LISP (markee, val->call_data);
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68 mark_object (markee);
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69 }
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70
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71 if (val->accel)
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72 {
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73 VOID_TO_LISP (markee, val->accel);
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74 mark_object (markee);
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75 }
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76 return 0;
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77 }
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78
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79 static Lisp_Object
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80 mark_popup_data (Lisp_Object obj)
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81 {
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82 struct popup_data *data = (struct popup_data *) XPOPUP_DATA (obj);
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83
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84 /* Now mark the callbacks and such that are hidden in the lwlib
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85 call-data */
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86
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87 if (data->id)
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88 lw_map_widget_values (data->id, mark_widget_value_mapper, 0);
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89
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90 return data->last_menubar_buffer;
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91 }
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92
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93 DEFINE_LRECORD_IMPLEMENTATION ("popup-data", popup_data,
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94 mark_popup_data, internal_object_printer,
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95 0, 0, 0, 0, struct popup_data);
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96
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97 /* This is like FRAME_MENUBAR_DATA (f), but contains an alist of
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98 (id . popup-data) for GCPRO'ing the callbacks of the popup menus
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99 and dialog boxes. */
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100 static Lisp_Object Vpopup_callbacks;
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101
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102 void
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103 gcpro_popup_callbacks (LWLIB_ID id)
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104 {
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105 struct popup_data *pdata;
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106 Lisp_Object lid = make_int (id);
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107 Lisp_Object lpdata;
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108
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109 assert (NILP (assq_no_quit (lid, Vpopup_callbacks)));
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110 pdata = alloc_lcrecord_type (struct popup_data, &lrecord_popup_data);
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111 pdata->id = id;
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112 pdata->last_menubar_buffer = Qnil;
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113 pdata->menubar_contents_up_to_date = 0;
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114 XSETPOPUP_DATA (lpdata, pdata);
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115 Vpopup_callbacks = Fcons (Fcons (lid, lpdata), Vpopup_callbacks);
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116 }
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117
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118 void
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119 ungcpro_popup_callbacks (LWLIB_ID id)
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120 {
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121 Lisp_Object lid = make_int (id);
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122 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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123 assert (!NILP (this));
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124 Vpopup_callbacks = delq_no_quit (this, Vpopup_callbacks);
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125 }
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126
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127 int
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128 popup_handled_p (LWLIB_ID id)
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129 {
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130 return NILP (assq_no_quit (make_int (id), Vpopup_callbacks));
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131 }
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132
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133 /* menu_item_descriptor_to_widget_value() et al. mallocs a
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134 widget_value, but then may signal lisp errors. If an error does
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135 not occur, the opaque ptr we have here has had its pointer set to 0
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136 to tell us not to do anything. Otherwise we free the widget value.
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137 (This has nothing to do with GC, it's just about not dropping
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138 pointers to malloc'd data when errors happen.) */
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139
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140 Lisp_Object
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141 widget_value_unwind (Lisp_Object closure)
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142 {
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143 widget_value *wv = (widget_value *) get_opaque_ptr (closure);
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144 free_opaque_ptr (closure);
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145 if (wv)
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436
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146 free_widget_value_tree (wv);
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428
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147 return Qnil;
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148 }
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149
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150 #if 0
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151 static void
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152 print_widget_value (widget_value *wv, int depth)
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153 {
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154 /* !!#### This function has not been Mule-ized */
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155 char d [200];
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156 int i;
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157 for (i = 0; i < depth; i++) d[i] = ' ';
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158 d[depth]=0;
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159 /* #### - print type field */
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160 printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)"));
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161 if (wv->value) printf ("%svalue: %s\n", d, wv->value);
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162 if (wv->key) printf ("%skey: %s\n", d, wv->key);
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163 printf ("%senabled: %d\n", d, wv->enabled);
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164 if (wv->contents)
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165 {
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166 printf ("\n%scontents: \n", d);
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167 print_widget_value (wv->contents, depth + 5);
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168 }
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169 if (wv->next)
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170 {
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171 printf ("\n");
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172 print_widget_value (wv->next, depth);
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173 }
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174 }
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175 #endif
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176
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177 /* This recursively calls free_widget_value() on the tree of widgets.
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178 It must free all data that was malloc'ed for these widget_values.
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179
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180 It used to be that emacs only allocated new storage for the `key' slot.
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181 All other slots are pointers into the data of Lisp_Strings, and must be
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182 left alone. */
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183 void
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184 free_popup_widget_value_tree (widget_value *wv)
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185 {
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186 if (! wv) return;
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187 if (wv->key) xfree (wv->key);
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188 if (wv->value) xfree (wv->value);
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436
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189 if (wv->name) xfree (wv->name);
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428
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190
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191 wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
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192
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193 if (wv->contents && (wv->contents != (widget_value*)1))
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194 {
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195 free_popup_widget_value_tree (wv->contents);
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196 wv->contents = (widget_value *) 0xDEADBEEF;
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197 }
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198 if (wv->next)
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199 {
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200 free_popup_widget_value_tree (wv->next);
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201 wv->next = (widget_value *) 0xDEADBEEF;
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202 }
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203 free_widget_value (wv);
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204 }
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205
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206 /* The following is actually called from somewhere within XtDispatchEvent(),
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207 called from XtAppProcessEvent() in event-Xt.c */
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208
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209 void
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210 popup_selection_callback (Widget widget, LWLIB_ID ignored_id,
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211 XtPointer client_data)
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212 {
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213 Lisp_Object fn, arg;
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214 Lisp_Object data;
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215 Lisp_Object frame;
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216 struct device *d = get_device_from_display (XtDisplay (widget));
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217 struct frame *f = x_any_widget_or_parent_to_frame (d, widget);
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218
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219 /* set in lwlib to the time stamp associated with the most recent menu
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220 operation */
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221 extern Time x_focus_timestamp_really_sucks_fix_me_better;
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222
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223 if (!f)
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224 return;
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225 if (((EMACS_INT) client_data) == 0)
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226 return;
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227 VOID_TO_LISP (data, client_data);
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228 XSETFRAME (frame, f);
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229
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230 #if 0
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231 /* #### What the hell? I can't understand why this call is here,
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232 and doing it is really courting disaster in the new event
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233 model, since popup_selection_callback is called from
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234 within next_event_internal() and Faccept_process_output()
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235 itself calls next_event_internal(). --Ben */
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236
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237 /* Flush the X and process input */
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238 Faccept_process_output (Qnil, Qnil, Qnil);
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239 #endif
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240
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241 if (((EMACS_INT) client_data) == -1)
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242 {
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243 fn = Qrun_hooks;
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244 arg = Qmenu_no_selection_hook;
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245 }
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246 else
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247 {
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248 MARK_SUBWINDOWS_STATE_CHANGED;
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249 get_gui_callback (data, &fn, &arg);
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250 }
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251
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252 /* This is the timestamp used for asserting focus so we need to get an
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253 up-to-date value event if no events has been dispatched to emacs
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254 */
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255 #if defined(HAVE_MENUBARS)
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256 DEVICE_X_MOUSE_TIMESTAMP (d) = x_focus_timestamp_really_sucks_fix_me_better;
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257 #else
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258 DEVICE_X_MOUSE_TIMESTAMP (d) = DEVICE_X_GLOBAL_MOUSE_TIMESTAMP (d);
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259 #endif
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260 signal_special_Xt_user_event (frame, fn, arg);
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261 }
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262
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263 #if 1
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264 /* Eval the activep slot of the menu item */
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265 # define wv_set_evalable_slot(slot,form) do { \
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266 Lisp_Object wses_form = (form); \
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267 (slot) = (NILP (wses_form) ? 0 : \
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268 EQ (wses_form, Qt) ? 1 : \
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269 !NILP (Feval (wses_form))); \
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270 } while (0)
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271 #else
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272 /* Treat the activep slot of the menu item as a boolean */
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273 # define wv_set_evalable_slot(slot,form) \
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274 ((void) (slot = (!NILP (form))))
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275 #endif
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276
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277 char *
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278 menu_separator_style (CONST char *s)
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279 {
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280 CONST char *p;
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281 char first;
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282
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283 if (!s || s[0] == '\0')
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284 return NULL;
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285 first = s[0];
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286 if (first != '-' && first != '=')
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287 return NULL;
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288 for (p = s; *p == first; p++)
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289 DO_NOTHING;
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290
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291 /* #### - cannot currently specify a separator tag "--!tag" and a
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292 separator style "--:style" at the same time. */
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293 /* #### - Also, the motif menubar code doesn't deal with the
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294 double etched style yet, so it's not good to get into the habit of
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295 using "===" in menubars to get double-etched lines */
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296 if (*p == '!' || *p == '\0')
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297 return ((first == '-')
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298 ? NULL /* single etched is the default */
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299 : xstrdup ("shadowDoubleEtchedIn"));
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300 else if (*p == ':')
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301 return xstrdup (p+1);
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302
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303 return NULL;
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304 }
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305
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306
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307 /* This does the dirty work. gc_currently_forbidden is 1 when this is called.
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308 */
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309 int
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310 button_item_to_widget_value (Lisp_Object gui_item, widget_value *wv,
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311 int allow_text_field_p, int no_keys_p)
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312 {
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313 /* !!#### This function has not been Mule-ized */
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314 /* This function cannot GC because gc_currently_forbidden is set when
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315 it's called */
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440
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316 Lisp_Gui_Item* pgui = 0;
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428
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317
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318 /* degenerate case */
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319 if (STRINGP (gui_item))
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320 {
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321 wv->type = TEXT_TYPE;
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322 wv->name = (char *) XSTRING_DATA (gui_item);
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323 wv->name = xstrdup (wv->name);
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324 return 1;
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325 }
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326 else if (!GUI_ITEMP (gui_item))
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327 signal_simple_error("need a string or a gui_item here", gui_item);
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328
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329 pgui = XGUI_ITEM (gui_item);
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330
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331 if (!NILP (pgui->filter))
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332 signal_simple_error(":filter keyword not permitted on leaf nodes", gui_item);
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333
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334 #ifdef HAVE_MENUBARS
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335 if (!gui_item_included_p (gui_item, Vmenubar_configuration))
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336 {
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337 /* the include specification says to ignore this item. */
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338 return 0;
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339 }
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340 #endif /* HAVE_MENUBARS */
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341
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342 CHECK_STRING (pgui->name);
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343 wv->name = (char *) XSTRING_DATA (pgui->name);
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344 wv->name = xstrdup (wv->name);
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345 wv->accel = LISP_TO_VOID (gui_item_accelerator (gui_item));
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346
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347 if (!NILP (pgui->suffix))
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348 {
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349 CONST char *const_bogosity;
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350 Lisp_Object suffix2;
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351
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352 /* Shortcut to avoid evaluating suffix each time */
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353 if (STRINGP (pgui->suffix))
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354 suffix2 = pgui->suffix;
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355 else
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356 {
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357 suffix2 = Feval (pgui->suffix);
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358 CHECK_STRING (suffix2);
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359 }
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360
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440
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361 TO_EXTERNAL_FORMAT (LISP_STRING, suffix2,
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362 C_STRING_ALLOCA, const_bogosity,
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363 Qfile_name);
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428
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364 wv->value = (char *) const_bogosity;
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365 wv->value = xstrdup (wv->value);
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366 }
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367
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368 wv_set_evalable_slot (wv->enabled, pgui->active);
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369 wv_set_evalable_slot (wv->selected, pgui->selected);
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370
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371 if (!NILP (pgui->callback))
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372 wv->call_data = LISP_TO_VOID (pgui->callback);
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373
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374 if (no_keys_p
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375 #ifdef HAVE_MENUBARS
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376 || !menubar_show_keybindings
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377 #endif
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378 )
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379 wv->key = 0;
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380 else if (!NILP (pgui->keys)) /* Use this string to generate key bindings */
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381 {
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382 CHECK_STRING (pgui->keys);
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383 pgui->keys = Fsubstitute_command_keys (pgui->keys);
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384 if (XSTRING_LENGTH (pgui->keys) > 0)
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385 wv->key = xstrdup ((char *) XSTRING_DATA (pgui->keys));
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386 else
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387 wv->key = 0;
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388 }
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389 else if (SYMBOLP (pgui->callback)) /* Show the binding of this command. */
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390 {
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391 char buf [1024];
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392 /* #### Warning, dependency here on current_buffer and point */
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393 where_is_to_char (pgui->callback, buf);
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394 if (buf [0])
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395 wv->key = xstrdup (buf);
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396 else
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397 wv->key = 0;
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398 }
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399
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400 CHECK_SYMBOL (pgui->style);
|
|
|
401 if (NILP (pgui->style))
|
|
|
402 {
|
|
|
403 /* If the callback is nil, treat this item like unselectable text.
|
|
|
404 This way, dashes will show up as a separator. */
|
|
|
405 if (!wv->enabled)
|
|
|
406 wv->type = BUTTON_TYPE;
|
|
|
407 if (separator_string_p (wv->name))
|
|
|
408 {
|
|
|
409 wv->type = SEPARATOR_TYPE;
|
|
|
410 wv->value = menu_separator_style (wv->name);
|
|
|
411 }
|
|
|
412 else
|
|
|
413 {
|
|
|
414 #if 0
|
|
|
415 /* #### - this is generally desirable for menubars, but it breaks
|
|
|
416 a package that uses dialog boxes and next_command_event magic
|
|
|
417 to use the callback slot in dialog buttons for data instead of
|
|
|
418 a real callback.
|
|
|
419
|
|
|
420 Code is data, right? The beauty of LISP abuse. --Stig */
|
|
|
421 if (NILP (callback))
|
|
|
422 wv->type = TEXT_TYPE;
|
|
|
423 else
|
|
|
424 #endif
|
|
|
425 wv->type = BUTTON_TYPE;
|
|
|
426 }
|
|
|
427 }
|
|
|
428 else if (EQ (pgui->style, Qbutton))
|
|
|
429 wv->type = BUTTON_TYPE;
|
|
|
430 else if (EQ (pgui->style, Qtoggle))
|
|
|
431 wv->type = TOGGLE_TYPE;
|
|
|
432 else if (EQ (pgui->style, Qradio))
|
|
|
433 wv->type = RADIO_TYPE;
|
|
|
434 else if (EQ (pgui->style, Qtext))
|
|
|
435 {
|
|
|
436 wv->type = TEXT_TYPE;
|
|
|
437 #if 0
|
|
|
438 wv->value = wv->name;
|
|
|
439 wv->name = "value";
|
|
|
440 #endif
|
|
|
441 }
|
|
|
442 else
|
|
|
443 signal_simple_error_2 ("Unknown style", pgui->style, gui_item);
|
|
|
444
|
|
|
445 if (!allow_text_field_p && (wv->type == TEXT_TYPE))
|
|
|
446 signal_simple_error ("Text field not allowed in this context", gui_item);
|
|
|
447
|
|
|
448 if (!NILP (pgui->selected) && EQ (pgui->style, Qtext))
|
|
|
449 signal_simple_error (
|
|
|
450 ":selected only makes sense with :style toggle, radio or button",
|
|
|
451 gui_item);
|
|
|
452 return 1;
|
|
|
453 }
|
|
|
454
|
|
|
455 /* parse tree's of gui items into widget_value hierarchies */
|
|
|
456 static void gui_item_children_to_widget_values (Lisp_Object items, widget_value* parent);
|
|
|
457
|
|
|
458 static widget_value *
|
|
|
459 gui_items_to_widget_values_1 (Lisp_Object items, widget_value* parent,
|
|
|
460 widget_value* prev)
|
|
|
461 {
|
|
|
462 widget_value* wv = 0;
|
|
|
463
|
|
|
464 assert ((parent || prev) && !(parent && prev));
|
|
|
465 /* now walk the tree creating widget_values as appropriate */
|
|
|
466 if (!CONSP (items))
|
|
|
467 {
|
|
|
468 wv = xmalloc_widget_value();
|
|
|
469 if (parent)
|
|
|
470 parent->contents = wv;
|
|
440
|
471 else
|
|
428
|
472 prev->next = wv;
|
|
|
473 if (!button_item_to_widget_value (items, wv, 0, 1))
|
|
|
474 {
|
|
436
|
475 free_widget_value_tree (wv);
|
|
428
|
476 if (parent)
|
|
|
477 parent->contents = 0;
|
|
440
|
478 else
|
|
428
|
479 prev->next = 0;
|
|
|
480 }
|
|
440
|
481 else
|
|
428
|
482 {
|
|
|
483 wv->value = xstrdup (wv->name); /* what a mess... */
|
|
|
484 }
|
|
|
485 }
|
|
|
486 else
|
|
|
487 {
|
|
|
488 /* first one is the parent */
|
|
|
489 if (CONSP (XCAR (items)))
|
|
|
490 signal_simple_error ("parent item must not be a list", XCAR (items));
|
|
|
491
|
|
|
492 if (parent)
|
|
|
493 wv = gui_items_to_widget_values_1 (XCAR (items), parent, 0);
|
|
|
494 else
|
|
|
495 wv = gui_items_to_widget_values_1 (XCAR (items), 0, prev);
|
|
|
496 /* the rest are the children */
|
|
|
497 gui_item_children_to_widget_values (XCDR (items), wv);
|
|
|
498 }
|
|
|
499 return wv;
|
|
|
500 }
|
|
|
501
|
|
|
502 static void
|
|
|
503 gui_item_children_to_widget_values (Lisp_Object items, widget_value* parent)
|
|
|
504 {
|
|
|
505 widget_value* wv = 0, *prev = 0;
|
|
|
506 Lisp_Object rest;
|
|
|
507 CHECK_CONS (items);
|
|
|
508
|
|
|
509 /* first one is master */
|
|
|
510 prev = gui_items_to_widget_values_1 (XCAR (items), parent, 0);
|
|
|
511 /* the rest are the children */
|
|
|
512 LIST_LOOP (rest, XCDR (items))
|
|
|
513 {
|
|
|
514 Lisp_Object tab = XCAR (rest);
|
|
|
515 wv = gui_items_to_widget_values_1 (tab, 0, prev);
|
|
|
516 prev = wv;
|
|
|
517 }
|
|
|
518 }
|
|
|
519
|
|
|
520 widget_value *
|
|
|
521 gui_items_to_widget_values (Lisp_Object items)
|
|
|
522 {
|
|
|
523 /* !!#### This function has not been Mule-ized */
|
|
|
524 /* This function can GC */
|
|
|
525 widget_value *control = 0, *tmp = 0;
|
|
|
526 int count = specpdl_depth ();
|
|
|
527 Lisp_Object wv_closure;
|
|
|
528
|
|
|
529 if (NILP (items))
|
|
|
530 signal_simple_error ("must have some items", items);
|
|
|
531
|
|
|
532 /* Inhibit GC during this conversion. The reasons for this are
|
|
|
533 the same as in menu_item_descriptor_to_widget_value(); see
|
|
|
534 the large comment above that function. */
|
|
|
535 record_unwind_protect (restore_gc_inhibit,
|
|
|
536 make_int (gc_currently_forbidden));
|
|
|
537 gc_currently_forbidden = 1;
|
|
|
538
|
|
|
539 /* Also make sure that we free the partially-created widget_value
|
|
|
540 tree on Lisp error. */
|
|
|
541 control = xmalloc_widget_value();
|
|
|
542 wv_closure = make_opaque_ptr (control);
|
|
|
543 record_unwind_protect (widget_value_unwind, wv_closure);
|
|
|
544
|
|
|
545 gui_items_to_widget_values_1 (items, control, 0);
|
|
|
546
|
|
|
547 /* mess about getting the data we really want */
|
|
|
548 tmp = control;
|
|
|
549 control = control->contents;
|
|
|
550 tmp->next = 0;
|
|
|
551 tmp->contents = 0;
|
|
436
|
552 free_widget_value_tree (tmp);
|
|
428
|
553
|
|
|
554 /* No more need to free the half-filled-in structures. */
|
|
|
555 set_opaque_ptr (wv_closure, 0);
|
|
|
556 unbind_to (count, Qnil);
|
|
|
557
|
|
|
558 return control;
|
|
|
559 }
|
|
|
560
|
|
|
561 /* This is a kludge to make sure emacs can only link against a version of
|
|
|
562 lwlib that was compiled in the right way. Emacs references symbols which
|
|
|
563 correspond to the way it thinks lwlib was compiled, and if lwlib wasn't
|
|
|
564 compiled in that way, then somewhat meaningful link errors will result.
|
|
|
565 The alternatives to this range from obscure link errors, to obscure
|
|
|
566 runtime errors that look a lot like bugs.
|
|
|
567 */
|
|
|
568
|
|
|
569 static void
|
|
|
570 sanity_check_lwlib (void)
|
|
|
571 {
|
|
|
572 #define MACROLET(v) { extern int v; v = 1; }
|
|
|
573
|
|
|
574 #if (XlibSpecificationRelease == 4)
|
|
|
575 MACROLET (lwlib_uses_x11r4);
|
|
|
576 #elif (XlibSpecificationRelease == 5)
|
|
|
577 MACROLET (lwlib_uses_x11r5);
|
|
|
578 #elif (XlibSpecificationRelease == 6)
|
|
|
579 MACROLET (lwlib_uses_x11r6);
|
|
|
580 #else
|
|
|
581 MACROLET (lwlib_uses_unknown_x11);
|
|
|
582 #endif
|
|
|
583 #ifdef LWLIB_USES_MOTIF
|
|
|
584 MACROLET (lwlib_uses_motif);
|
|
|
585 #else
|
|
|
586 MACROLET (lwlib_does_not_use_motif);
|
|
|
587 #endif
|
|
|
588 #if (XmVersion >= 1002)
|
|
|
589 MACROLET (lwlib_uses_motif_1_2);
|
|
|
590 #else
|
|
|
591 MACROLET (lwlib_does_not_use_motif_1_2);
|
|
|
592 #endif
|
|
|
593 #ifdef LWLIB_MENUBARS_LUCID
|
|
|
594 MACROLET (lwlib_menubars_lucid);
|
|
|
595 #elif defined (HAVE_MENUBARS)
|
|
|
596 MACROLET (lwlib_menubars_motif);
|
|
|
597 #endif
|
|
|
598 #ifdef LWLIB_SCROLLBARS_LUCID
|
|
|
599 MACROLET (lwlib_scrollbars_lucid);
|
|
|
600 #elif defined (LWLIB_SCROLLBARS_MOTIF)
|
|
|
601 MACROLET (lwlib_scrollbars_motif);
|
|
|
602 #elif defined (HAVE_SCROLLBARS)
|
|
|
603 MACROLET (lwlib_scrollbars_athena);
|
|
|
604 #endif
|
|
|
605 #ifdef LWLIB_DIALOGS_MOTIF
|
|
|
606 MACROLET (lwlib_dialogs_motif);
|
|
|
607 #elif defined (HAVE_DIALOGS)
|
|
|
608 MACROLET (lwlib_dialogs_athena);
|
|
|
609 #endif
|
|
|
610 #ifdef LWLIB_WIDGETS_MOTIF
|
|
|
611 MACROLET (lwlib_widgets_motif);
|
|
|
612 #elif defined (HAVE_WIDGETS)
|
|
|
613 MACROLET (lwlib_widgets_athena);
|
|
|
614 #endif
|
|
|
615
|
|
|
616 #undef MACROLET
|
|
|
617 }
|
|
|
618
|
|
|
619 void
|
|
|
620 syms_of_gui_x (void)
|
|
|
621 {
|
|
|
622 defsymbol (&Qmenu_no_selection_hook, "menu-no-selection-hook");
|
|
|
623 }
|
|
|
624
|
|
|
625 void
|
|
|
626 reinit_vars_of_gui_x (void)
|
|
|
627 {
|
|
|
628 lwlib_id_tick = (1<<16); /* start big, to not conflict with Energize */
|
|
|
629 #ifdef HAVE_POPUPS
|
|
|
630 popup_up_p = 0;
|
|
|
631 #endif
|
|
|
632
|
|
|
633 /* this makes only safe calls as in emacs.c */
|
|
|
634 sanity_check_lwlib ();
|
|
|
635 }
|
|
|
636
|
|
|
637 void
|
|
|
638 vars_of_gui_x (void)
|
|
|
639 {
|
|
|
640 reinit_vars_of_gui_x ();
|
|
|
641
|
|
|
642 Vpopup_callbacks = Qnil;
|
|
|
643 staticpro (&Vpopup_callbacks);
|
|
|
644
|
|
|
645 #if 0
|
|
|
646 /* This DEFVAR_LISP is just for the benefit of make-docfile. */
|
|
|
647 /* #### misnamed */
|
|
|
648 DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
|
|
|
649 Function or functions to call when a menu or dialog box is dismissed
|
|
|
650 without a selection having been made.
|
|
|
651 */ );
|
|
|
652 #endif
|
|
|
653 Fset (Qmenu_no_selection_hook, Qnil);
|
|
|
654 }
|
