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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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793
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3 Copyright (C) 1995, 1996, 2000, 2001, 2002 Ben Wing.
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428
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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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442
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26 /* This file Mule-ized by Ben Wing, 7-8-00. */
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27
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428
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28 #include <config.h>
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29 #include "lisp.h"
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30
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872
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31 #include "buffer.h"
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32 #include "device-impl.h"
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33 #include "events.h"
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34 #include "frame.h"
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35 #include "glyphs.h"
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36 #include "gui.h"
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37 #include "menubar.h"
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38 #include "opaque.h"
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39 #include "redisplay.h"
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40
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41 #include "console-x-impl.h"
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42 #include "gui-x.h"
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43
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428
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44 #ifdef LWLIB_USES_MOTIF
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45 #include <Xm/Xm.h> /* for XmVersion */
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46 #endif
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47
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48 /* we need a unique id for each popup menu, dialog box, and scrollbar */
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647
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49 static LWLIB_ID lwlib_id_tick;
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428
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50
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51 LWLIB_ID
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52 new_lwlib_id (void)
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53 {
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54 return ++lwlib_id_tick;
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55 }
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56
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57 widget_value *
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58 xmalloc_widget_value (void)
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59 {
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60 widget_value *tmp = malloc_widget_value ();
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61 if (!tmp) memory_full ();
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62 return tmp;
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63 }
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64
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65
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66 static int
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67 mark_widget_value_mapper (widget_value *val, void *closure)
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68 {
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69 Lisp_Object markee;
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70 if (val->call_data)
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71 {
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826
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72 markee = VOID_TO_LISP (val->call_data);
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428
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73 mark_object (markee);
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74 }
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75
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76 if (val->accel)
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77 {
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826
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78 markee = VOID_TO_LISP (val->accel);
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428
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79 mark_object (markee);
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80 }
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81 return 0;
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82 }
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83
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84 static Lisp_Object
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85 mark_popup_data (Lisp_Object obj)
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86 {
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87 struct popup_data *data = (struct popup_data *) XPOPUP_DATA (obj);
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88
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89 /* Now mark the callbacks and such that are hidden in the lwlib
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90 call-data */
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91
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92 if (data->id)
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93 lw_map_widget_values (data->id, mark_widget_value_mapper, 0);
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94
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95 return data->last_menubar_buffer;
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96 }
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97
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98 DEFINE_LRECORD_IMPLEMENTATION ("popup-data", popup_data,
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99 mark_popup_data, internal_object_printer,
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100 0, 0, 0, 0, struct popup_data);
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101
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102 /* This is like FRAME_MENUBAR_DATA (f), but contains an alist of
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103 (id . popup-data) for GCPRO'ing the callbacks of the popup menus
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104 and dialog boxes. */
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105 static Lisp_Object Vpopup_callbacks;
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106
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107 void
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108 gcpro_popup_callbacks (LWLIB_ID id)
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109 {
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110 struct popup_data *pdata;
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111 Lisp_Object lid = make_int (id);
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112 Lisp_Object lpdata;
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113
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114 assert (NILP (assq_no_quit (lid, Vpopup_callbacks)));
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115 pdata = alloc_lcrecord_type (struct popup_data, &lrecord_popup_data);
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116 pdata->id = id;
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117 pdata->last_menubar_buffer = Qnil;
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118 pdata->menubar_contents_up_to_date = 0;
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793
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119 lpdata = wrap_popup_data (pdata);
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428
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120 Vpopup_callbacks = Fcons (Fcons (lid, lpdata), Vpopup_callbacks);
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121 }
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122
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123 void
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124 ungcpro_popup_callbacks (LWLIB_ID id)
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125 {
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126 Lisp_Object lid = make_int (id);
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127 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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128 assert (!NILP (this));
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129 Vpopup_callbacks = delq_no_quit (this, Vpopup_callbacks);
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130 }
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131
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132 int
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133 popup_handled_p (LWLIB_ID id)
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134 {
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135 return NILP (assq_no_quit (make_int (id), Vpopup_callbacks));
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136 }
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137
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138 /* menu_item_descriptor_to_widget_value() et al. mallocs a
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139 widget_value, but then may signal lisp errors. If an error does
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140 not occur, the opaque ptr we have here has had its pointer set to 0
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141 to tell us not to do anything. Otherwise we free the widget value.
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142 (This has nothing to do with GC, it's just about not dropping
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143 pointers to malloc'd data when errors happen.) */
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144
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145 Lisp_Object
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146 widget_value_unwind (Lisp_Object closure)
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147 {
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148 widget_value *wv = (widget_value *) get_opaque_ptr (closure);
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149 free_opaque_ptr (closure);
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150 if (wv)
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436
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151 free_widget_value_tree (wv);
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428
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152 return Qnil;
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153 }
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154
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155 #if 0
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156 static void
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157 print_widget_value (widget_value *wv, int depth)
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158 {
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442
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159 /* strings in wv are in external format; use printf not stdout_out
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160 because the latter takes internal-format strings */
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161 Extbyte d [200];
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428
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162 int i;
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163 for (i = 0; i < depth; i++) d[i] = ' ';
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164 d[depth]=0;
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165 /* #### - print type field */
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166 printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)"));
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167 if (wv->value) printf ("%svalue: %s\n", d, wv->value);
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168 if (wv->key) printf ("%skey: %s\n", d, wv->key);
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169 printf ("%senabled: %d\n", d, wv->enabled);
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170 if (wv->contents)
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171 {
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172 printf ("\n%scontents: \n", d);
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173 print_widget_value (wv->contents, depth + 5);
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174 }
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175 if (wv->next)
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176 {
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177 printf ("\n");
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178 print_widget_value (wv->next, depth);
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179 }
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180 }
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181 #endif
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182
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183 /* This recursively calls free_widget_value() on the tree of widgets.
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184 It must free all data that was malloc'ed for these widget_values.
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185
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186 It used to be that emacs only allocated new storage for the `key' slot.
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187 All other slots are pointers into the data of Lisp_Strings, and must be
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188 left alone. */
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189 void
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190 free_popup_widget_value_tree (widget_value *wv)
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191 {
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192 if (! wv) return;
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193 if (wv->key) xfree (wv->key);
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194 if (wv->value) xfree (wv->value);
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436
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195 if (wv->name) xfree (wv->name);
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428
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196
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197 wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
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198
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199 if (wv->contents && (wv->contents != (widget_value*)1))
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200 {
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201 free_popup_widget_value_tree (wv->contents);
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202 wv->contents = (widget_value *) 0xDEADBEEF;
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203 }
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204 if (wv->next)
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205 {
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206 free_popup_widget_value_tree (wv->next);
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207 wv->next = (widget_value *) 0xDEADBEEF;
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208 }
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209 free_widget_value (wv);
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210 }
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211
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212 /* The following is actually called from somewhere within XtDispatchEvent(),
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213 called from XtAppProcessEvent() in event-Xt.c */
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214
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215 void
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216 popup_selection_callback (Widget widget, LWLIB_ID ignored_id,
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217 XtPointer client_data)
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218 {
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442
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219 Lisp_Object data, image_instance, callback, callback_ex;
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220 Lisp_Object frame, event;
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221 int update_subwindows_p = 0;
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428
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222 struct device *d = get_device_from_display (XtDisplay (widget));
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223 struct frame *f = x_any_widget_or_parent_to_frame (d, widget);
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224
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872
|
225 #ifdef HAVE_MENUBARS
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428
|
226 /* set in lwlib to the time stamp associated with the most recent menu
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227 operation */
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|
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228 extern Time x_focus_timestamp_really_sucks_fix_me_better;
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|
872
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229 #endif
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428
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230
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231 if (!f)
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232 return;
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233 if (((EMACS_INT) client_data) == 0)
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234 return;
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|
826
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235 data = VOID_TO_LISP (client_data);
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793
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236 frame = wrap_frame (f);
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428
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237
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238 #if 0
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239 /* #### What the hell? I can't understand why this call is here,
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240 and doing it is really courting disaster in the new event
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241 model, since popup_selection_callback is called from
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242 within next_event_internal() and Faccept_process_output()
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243 itself calls next_event_internal(). --Ben */
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244
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245 /* Flush the X and process input */
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246 Faccept_process_output (Qnil, Qnil, Qnil);
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247 #endif
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248
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249 if (((EMACS_INT) client_data) == -1)
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250 {
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442
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251 event = Fmake_event (Qnil, Qnil);
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252
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253 XEVENT (event)->event_type = misc_user_event;
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254 XEVENT (event)->channel = frame;
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255 XEVENT (event)->event.eval.function = Qrun_hooks;
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256 XEVENT (event)->event.eval.object = Qmenu_no_selection_hook;
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428
|
257 }
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258 else
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259 {
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442
|
260 image_instance = XCAR (data);
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261 callback = XCAR (XCDR (data));
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262 callback_ex = XCDR (XCDR (data));
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263 update_subwindows_p = 1;
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264 /* It is possible for a widget action to cause it to get out of
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265 sync with its instantiator. Thus it is necessary to signal
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266 this possibility. */
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267 if (IMAGE_INSTANCEP (image_instance))
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268 XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (image_instance) = 1;
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269
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270 if (!NILP (callback_ex) && !UNBOUNDP (callback_ex))
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271 {
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272 event = Fmake_event (Qnil, Qnil);
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273
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274 XEVENT (event)->event_type = misc_user_event;
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275 XEVENT (event)->channel = frame;
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276 XEVENT (event)->event.eval.function = Qeval;
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277 XEVENT (event)->event.eval.object =
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278 list4 (Qfuncall, callback_ex, image_instance, event);
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279 }
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280 else if (NILP (callback) || UNBOUNDP (callback))
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281 event = Qnil;
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282 else
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283 {
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284 Lisp_Object fn, arg;
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285
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286 event = Fmake_event (Qnil, Qnil);
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287
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288 get_gui_callback (callback, &fn, &arg);
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289 XEVENT (event)->event_type = misc_user_event;
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290 XEVENT (event)->channel = frame;
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291 XEVENT (event)->event.eval.function = fn;
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|
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292 XEVENT (event)->event.eval.object = arg;
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|
|
293 }
|
|
428
|
294 }
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|
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295
|
|
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296 /* This is the timestamp used for asserting focus so we need to get an
|
|
444
|
297 up-to-date value event if no events have been dispatched to emacs
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|
428
|
298 */
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|
872
|
299 #ifdef HAVE_MENUBARS
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|
428
|
300 DEVICE_X_MOUSE_TIMESTAMP (d) = x_focus_timestamp_really_sucks_fix_me_better;
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301 #else
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302 DEVICE_X_MOUSE_TIMESTAMP (d) = DEVICE_X_GLOBAL_MOUSE_TIMESTAMP (d);
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|
|
303 #endif
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|
442
|
304 if (!NILP (event))
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|
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305 enqueue_Xt_dispatch_event (event);
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|
|
306 /* The result of this evaluation could cause other instances to change so
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307 enqueue an update callback to check this. */
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|
|
308 if (update_subwindows_p && !NILP (event))
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|
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309 enqueue_magic_eval_event (update_widget_instances, frame);
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428
|
310 }
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|
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311
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|
|
312 #if 1
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|
|
313 /* Eval the activep slot of the menu item */
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|
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314 # define wv_set_evalable_slot(slot,form) do { \
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315 Lisp_Object wses_form = (form); \
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|
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316 (slot) = (NILP (wses_form) ? 0 : \
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|
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317 EQ (wses_form, Qt) ? 1 : \
|
|
|
318 !NILP (Feval (wses_form))); \
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|
|
319 } while (0)
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|
|
320 #else
|
|
|
321 /* Treat the activep slot of the menu item as a boolean */
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|
|
322 # define wv_set_evalable_slot(slot,form) \
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|
|
323 ((void) (slot = (!NILP (form))))
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|
|
324 #endif
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|
|
325
|
|
442
|
326 Extbyte *
|
|
867
|
327 menu_separator_style_and_to_external (const Ibyte *s)
|
|
428
|
328 {
|
|
867
|
329 const Ibyte *p;
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|
|
330 Ibyte first;
|
|
428
|
331
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|
|
332 if (!s || s[0] == '\0')
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|
|
333 return NULL;
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|
|
334 first = s[0];
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|
|
335 if (first != '-' && first != '=')
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|
|
336 return NULL;
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|
|
337 for (p = s; *p == first; p++)
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|
|
338 DO_NOTHING;
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|
|
339
|
|
|
340 /* #### - cannot currently specify a separator tag "--!tag" and a
|
|
|
341 separator style "--:style" at the same time. */
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|
|
342 /* #### - Also, the motif menubar code doesn't deal with the
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|
|
343 double etched style yet, so it's not good to get into the habit of
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|
|
344 using "===" in menubars to get double-etched lines */
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|
|
345 if (*p == '!' || *p == '\0')
|
|
|
346 return ((first == '-')
|
|
|
347 ? NULL /* single etched is the default */
|
|
|
348 : xstrdup ("shadowDoubleEtchedIn"));
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|
|
349 else if (*p == ':')
|
|
442
|
350 {
|
|
|
351 Extbyte *retval;
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|
|
352
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|
|
353 C_STRING_TO_EXTERNAL_MALLOC (p + 1, retval, Qlwlib_encoding);
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|
|
354 return retval;
|
|
|
355 }
|
|
428
|
356
|
|
|
357 return NULL;
|
|
|
358 }
|
|
|
359
|
|
442
|
360 Extbyte *
|
|
|
361 add_accel_and_to_external (Lisp_Object string)
|
|
|
362 {
|
|
|
363 int i;
|
|
|
364 int found_accel = 0;
|
|
|
365 Extbyte *retval;
|
|
867
|
366 Ibyte *name = XSTRING_DATA (string);
|
|
442
|
367
|
|
|
368 for (i = 0; name[i]; ++i)
|
|
|
369 if (name[i] == '%' && name[i+1] == '_')
|
|
|
370 {
|
|
|
371 found_accel = 1;
|
|
|
372 break;
|
|
|
373 }
|
|
|
374
|
|
|
375 if (found_accel)
|
|
|
376 LISP_STRING_TO_EXTERNAL_MALLOC (string, retval, Qlwlib_encoding);
|
|
|
377 else
|
|
|
378 {
|
|
647
|
379 Bytecount namelen = XSTRING_LENGTH (string);
|
|
867
|
380 Ibyte *chars = (Ibyte *) ALLOCA (namelen + 3);
|
|
442
|
381 chars[0] = '%';
|
|
|
382 chars[1] = '_';
|
|
|
383 memcpy (chars + 2, name, namelen + 1);
|
|
|
384 C_STRING_TO_EXTERNAL_MALLOC (chars, retval, Qlwlib_encoding);
|
|
|
385 }
|
|
|
386
|
|
|
387 return retval;
|
|
|
388 }
|
|
428
|
389
|
|
853
|
390 /* This does the dirty work. GC is inhibited when this is called.
|
|
|
391 */
|
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428
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392 int
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442
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393 button_item_to_widget_value (Lisp_Object gui_object_instance,
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394 Lisp_Object gui_item, widget_value *wv,
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395 int allow_text_field_p, int no_keys_p,
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396 int menu_entry_p, int accel_p)
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428
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397 {
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853
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398 /* This function cannot GC because GC is inhibited when it's called */
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440
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399 Lisp_Gui_Item* pgui = 0;
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428
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400
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401 /* degenerate case */
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402 if (STRINGP (gui_item))
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403 {
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404 wv->type = TEXT_TYPE;
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442
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405 if (accel_p)
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406 wv->name = add_accel_and_to_external (gui_item);
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407 else
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408 LISP_STRING_TO_EXTERNAL_MALLOC (gui_item, wv->name, Qlwlib_encoding);
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428
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409 return 1;
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410 }
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411 else if (!GUI_ITEMP (gui_item))
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563
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412 invalid_argument ("need a string or a gui_item here", gui_item);
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428
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413
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414 pgui = XGUI_ITEM (gui_item);
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415
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416 if (!NILP (pgui->filter))
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563
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417 sferror (":filter keyword not permitted on leaf nodes", gui_item);
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428
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418
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419 #ifdef HAVE_MENUBARS
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442
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420 if (menu_entry_p && !gui_item_included_p (gui_item, Vmenubar_configuration))
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428
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421 {
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422 /* the include specification says to ignore this item. */
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423 return 0;
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424 }
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425 #endif /* HAVE_MENUBARS */
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426
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442
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427 if (!STRINGP (pgui->name))
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428 pgui->name = Feval (pgui->name);
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429
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428
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430 CHECK_STRING (pgui->name);
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442
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431 if (accel_p)
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432 {
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433 wv->name = add_accel_and_to_external (pgui->name);
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434 wv->accel = LISP_TO_VOID (gui_item_accelerator (gui_item));
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435 }
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436 else
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437 {
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438 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->name, wv->name, Qlwlib_encoding);
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439 wv->accel = LISP_TO_VOID (Qnil);
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440 }
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428
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441
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442 if (!NILP (pgui->suffix))
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443 {
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444 Lisp_Object suffix2;
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445
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446 /* Shortcut to avoid evaluating suffix each time */
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447 if (STRINGP (pgui->suffix))
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448 suffix2 = pgui->suffix;
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449 else
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450 {
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451 suffix2 = Feval (pgui->suffix);
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452 CHECK_STRING (suffix2);
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453 }
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454
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442
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455 LISP_STRING_TO_EXTERNAL_MALLOC (suffix2, wv->value, Qlwlib_encoding);
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428
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456 }
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457
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458 wv_set_evalable_slot (wv->enabled, pgui->active);
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459 wv_set_evalable_slot (wv->selected, pgui->selected);
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460
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442
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461 if (!NILP (pgui->callback) || !NILP (pgui->callback_ex))
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462 wv->call_data = LISP_TO_VOID (cons3 (gui_object_instance,
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463 pgui->callback,
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464 pgui->callback_ex));
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428
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465
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466 if (no_keys_p
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467 #ifdef HAVE_MENUBARS
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442
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468 || (menu_entry_p && !menubar_show_keybindings)
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428
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469 #endif
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470 )
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471 wv->key = 0;
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472 else if (!NILP (pgui->keys)) /* Use this string to generate key bindings */
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473 {
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474 CHECK_STRING (pgui->keys);
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475 pgui->keys = Fsubstitute_command_keys (pgui->keys);
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476 if (XSTRING_LENGTH (pgui->keys) > 0)
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442
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477 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->keys, wv->key, Qlwlib_encoding);
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428
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478 else
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479 wv->key = 0;
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480 }
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481 else if (SYMBOLP (pgui->callback)) /* Show the binding of this command. */
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482 {
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793
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483 DECLARE_EISTRING_MALLOC (buf);
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428
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484 /* #### Warning, dependency here on current_buffer and point */
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485 where_is_to_char (pgui->callback, buf);
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793
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486 if (eilen (buf) > 0)
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487 C_STRING_TO_EXTERNAL_MALLOC (eidata (buf), wv->key, Qlwlib_encoding);
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428
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488 else
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489 wv->key = 0;
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793
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490 eifree (buf);
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428
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491 }
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492
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493 CHECK_SYMBOL (pgui->style);
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494 if (NILP (pgui->style))
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495 {
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867
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496 Ibyte *intname;
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444
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497 Bytecount intlen;
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428
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498 /* If the callback is nil, treat this item like unselectable text.
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499 This way, dashes will show up as a separator. */
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500 if (!wv->enabled)
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501 wv->type = BUTTON_TYPE;
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444
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502 TO_INTERNAL_FORMAT (C_STRING, wv->name,
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503 ALLOCA, (intname, intlen),
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504 Qlwlib_encoding);
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442
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505 if (separator_string_p (intname))
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428
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506 {
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507 wv->type = SEPARATOR_TYPE;
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442
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508 wv->value = menu_separator_style_and_to_external (intname);
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428
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509 }
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510 else
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511 {
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512 #if 0
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513 /* #### - this is generally desirable for menubars, but it breaks
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514 a package that uses dialog boxes and next_command_event magic
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515 to use the callback slot in dialog buttons for data instead of
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516 a real callback.
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517
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518 Code is data, right? The beauty of LISP abuse. --Stig */
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519 if (NILP (callback))
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520 wv->type = TEXT_TYPE;
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521 else
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522 #endif
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523 wv->type = BUTTON_TYPE;
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524 }
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525 }
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526 else if (EQ (pgui->style, Qbutton))
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527 wv->type = BUTTON_TYPE;
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528 else if (EQ (pgui->style, Qtoggle))
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529 wv->type = TOGGLE_TYPE;
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530 else if (EQ (pgui->style, Qradio))
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531 wv->type = RADIO_TYPE;
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532 else if (EQ (pgui->style, Qtext))
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533 {
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534 wv->type = TEXT_TYPE;
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535 #if 0
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536 wv->value = wv->name;
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537 wv->name = "value";
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538 #endif
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539 }
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540 else
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563
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541 invalid_constant_2 ("Unknown style", pgui->style, gui_item);
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428
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542
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543 if (!allow_text_field_p && (wv->type == TEXT_TYPE))
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563
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544 sferror ("Text field not allowed in this context", gui_item);
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428
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545
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546 if (!NILP (pgui->selected) && EQ (pgui->style, Qtext))
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563
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547 sferror
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442
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548 (":selected only makes sense with :style toggle, radio or button",
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549 gui_item);
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428
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550 return 1;
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551 }
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552
|
|
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553 /* parse tree's of gui items into widget_value hierarchies */
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442
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554 static void gui_item_children_to_widget_values (Lisp_Object
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555 gui_object_instance,
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556 Lisp_Object items,
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557 widget_value* parent,
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|
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558 int accel_p);
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428
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559
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560 static widget_value *
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442
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561 gui_items_to_widget_values_1 (Lisp_Object gui_object_instance,
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562 Lisp_Object items, widget_value* parent,
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563 widget_value* prev, int accel_p)
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428
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564 {
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565 widget_value* wv = 0;
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566
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567 assert ((parent || prev) && !(parent && prev));
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568 /* now walk the tree creating widget_values as appropriate */
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569 if (!CONSP (items))
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570 {
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442
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571 wv = xmalloc_widget_value ();
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428
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572 if (parent)
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573 parent->contents = wv;
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440
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574 else
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428
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575 prev->next = wv;
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442
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576 if (!button_item_to_widget_value (gui_object_instance,
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577 items, wv, 0, 1, 0, accel_p))
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428
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578 {
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436
|
579 free_widget_value_tree (wv);
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428
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580 if (parent)
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581 parent->contents = 0;
|
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440
|
582 else
|
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428
|
583 prev->next = 0;
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|
|
584 }
|
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440
|
585 else
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442
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586 wv->value = xstrdup (wv->name); /* what a mess... */
|
|
428
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587 }
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|
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588 else
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|
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589 {
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|
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590 /* first one is the parent */
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591 if (CONSP (XCAR (items)))
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563
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592 sferror ("parent item must not be a list", XCAR (items));
|
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428
|
593
|
|
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594 if (parent)
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442
|
595 wv = gui_items_to_widget_values_1 (gui_object_instance,
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|
596 XCAR (items), parent, 0, accel_p);
|
|
428
|
597 else
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442
|
598 wv = gui_items_to_widget_values_1 (gui_object_instance,
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|
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599 XCAR (items), 0, prev, accel_p);
|
|
428
|
600 /* the rest are the children */
|
|
442
|
601 gui_item_children_to_widget_values (gui_object_instance,
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|
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602 XCDR (items), wv, accel_p);
|
|
428
|
603 }
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|
|
604 return wv;
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|
|
605 }
|
|
|
606
|
|
|
607 static void
|
|
442
|
608 gui_item_children_to_widget_values (Lisp_Object gui_object_instance,
|
|
|
609 Lisp_Object items, widget_value* parent,
|
|
|
610 int accel_p)
|
|
428
|
611 {
|
|
|
612 widget_value* wv = 0, *prev = 0;
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|
|
613 Lisp_Object rest;
|
|
|
614 CHECK_CONS (items);
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|
|
615
|
|
|
616 /* first one is master */
|
|
442
|
617 prev = gui_items_to_widget_values_1 (gui_object_instance, XCAR (items),
|
|
|
618 parent, 0, accel_p);
|
|
428
|
619 /* the rest are the children */
|
|
|
620 LIST_LOOP (rest, XCDR (items))
|
|
|
621 {
|
|
|
622 Lisp_Object tab = XCAR (rest);
|
|
442
|
623 wv = gui_items_to_widget_values_1 (gui_object_instance, tab, 0, prev,
|
|
|
624 accel_p);
|
|
428
|
625 prev = wv;
|
|
|
626 }
|
|
|
627 }
|
|
|
628
|
|
|
629 widget_value *
|
|
442
|
630 gui_items_to_widget_values (Lisp_Object gui_object_instance, Lisp_Object items,
|
|
|
631 int accel_p)
|
|
428
|
632 {
|
|
|
633 /* This function can GC */
|
|
|
634 widget_value *control = 0, *tmp = 0;
|
|
771
|
635 int count;
|
|
428
|
636 Lisp_Object wv_closure;
|
|
|
637
|
|
|
638 if (NILP (items))
|
|
563
|
639 sferror ("must have some items", items);
|
|
428
|
640
|
|
|
641 /* Inhibit GC during this conversion. The reasons for this are
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|
|
642 the same as in menu_item_descriptor_to_widget_value(); see
|
|
|
643 the large comment above that function. */
|
|
771
|
644 count = begin_gc_forbidden ();
|
|
428
|
645
|
|
|
646 /* Also make sure that we free the partially-created widget_value
|
|
|
647 tree on Lisp error. */
|
|
442
|
648 control = xmalloc_widget_value ();
|
|
428
|
649 wv_closure = make_opaque_ptr (control);
|
|
|
650 record_unwind_protect (widget_value_unwind, wv_closure);
|
|
|
651
|
|
442
|
652 gui_items_to_widget_values_1 (gui_object_instance, items, control, 0,
|
|
|
653 accel_p);
|
|
428
|
654
|
|
|
655 /* mess about getting the data we really want */
|
|
|
656 tmp = control;
|
|
|
657 control = control->contents;
|
|
|
658 tmp->next = 0;
|
|
|
659 tmp->contents = 0;
|
|
436
|
660 free_widget_value_tree (tmp);
|
|
428
|
661
|
|
|
662 /* No more need to free the half-filled-in structures. */
|
|
|
663 set_opaque_ptr (wv_closure, 0);
|
|
771
|
664 unbind_to (count);
|
|
428
|
665
|
|
|
666 return control;
|
|
|
667 }
|
|
|
668
|
|
|
669 void
|
|
|
670 syms_of_gui_x (void)
|
|
|
671 {
|
|
442
|
672 INIT_LRECORD_IMPLEMENTATION (popup_data);
|
|
428
|
673 }
|
|
|
674
|
|
|
675 void
|
|
|
676 reinit_vars_of_gui_x (void)
|
|
|
677 {
|
|
|
678 lwlib_id_tick = (1<<16); /* start big, to not conflict with Energize */
|
|
|
679 #ifdef HAVE_POPUPS
|
|
|
680 popup_up_p = 0;
|
|
|
681 #endif
|
|
|
682 }
|
|
|
683
|
|
|
684 void
|
|
|
685 vars_of_gui_x (void)
|
|
|
686 {
|
|
|
687 reinit_vars_of_gui_x ();
|
|
|
688
|
|
|
689 Vpopup_callbacks = Qnil;
|
|
|
690 staticpro (&Vpopup_callbacks);
|
|
|
691 }
|
