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