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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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1261
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3 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2003 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
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428
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43 #ifdef LWLIB_USES_MOTIF
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1315
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44 #include "xmotif.h" /* for XmVersion */
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428
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45 #endif
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46
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47 /* we need a unique id for each popup menu, dialog box, and scrollbar */
|
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647
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48 static LWLIB_ID lwlib_id_tick;
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428
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49
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50 LWLIB_ID
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51 new_lwlib_id (void)
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52 {
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1346
|
53 lwlib_id_tick++;
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54 if (!lwlib_id_tick)
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55 lwlib_id_tick++;
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56 return lwlib_id_tick;
|
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428
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57 }
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58
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59 widget_value *
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60 xmalloc_widget_value (void)
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61 {
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62 widget_value *tmp = malloc_widget_value ();
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63 if (!tmp) memory_full ();
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64 return tmp;
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65 }
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66
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67
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1346
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68
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69 /* This contains an alist of (id . protect-me) for GCPRO'ing the callbacks
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70 of the popup menus and dialog boxes. */
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71 static Lisp_Object Vpopup_callbacks;
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428
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72
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1346
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73 struct widget_value_mapper
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74 {
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75 Lisp_Object protect_me;
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1204
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76 };
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77
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78 static int
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79 snarf_widget_value_mapper (widget_value *val, void *closure)
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80 {
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1346
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81 struct widget_value_mapper *z = (struct widget_value_mapper *) closure;
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1204
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82
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83 if (val->call_data)
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1346
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84 z->protect_me = Fcons (VOID_TO_LISP (val->call_data), z->protect_me);
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1204
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85 if (val->accel)
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1346
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86 z->protect_me = Fcons (VOID_TO_LISP (val->accel), z->protect_me);
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1204
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87
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88 return 0;
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89 }
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90
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1261
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91 /* Snarf the callbacks and other Lisp data that are hidden in the lwlib
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1346
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92 call-data and accel associated with id ID and return them for
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93 proper marking. */
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1261
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94
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1346
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95 static Lisp_Object
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96 snarf_widget_values_for_gcpro (LWLIB_ID id)
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1261
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97 {
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1346
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98 struct widget_value_mapper z;
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1261
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99
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1346
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100 z.protect_me = Qnil;
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101 lw_map_widget_values (id, snarf_widget_value_mapper, &z);
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102 return z.protect_me;
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103 }
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1261
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104
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1346
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105 /* Given an lwlib id ID associated with a widget tree, make sure that all
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106 Lisp callbacks in the tree are GC-protected. This can be called
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107 multiple times on the same widget tree -- this should be done at
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108 creation time and each time the tree is modified. */
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1261
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109
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428
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110 void
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111 gcpro_popup_callbacks (LWLIB_ID id)
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112 {
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113 Lisp_Object lid = make_int (id);
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1346
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114 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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428
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115
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1346
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116 if (!NILP (this))
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117 {
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118 free_list (XCDR (this));
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119 XCDR (this) = snarf_widget_values_for_gcpro (id);
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120 }
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121 else
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122 Vpopup_callbacks = Fcons (Fcons (lid, snarf_widget_values_for_gcpro (id)),
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123 Vpopup_callbacks);
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124 }
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1204
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125
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1346
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126 /* Remove GC-protection from the just-destroyed widget tree associated
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127 with lwlib id ID. */
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428
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128
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129 void
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130 ungcpro_popup_callbacks (LWLIB_ID id)
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131 {
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132 Lisp_Object lid = make_int (id);
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133 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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1346
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134
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428
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135 assert (!NILP (this));
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1346
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136 free_list (XCDR (this));
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428
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137 Vpopup_callbacks = delq_no_quit (this, Vpopup_callbacks);
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138 }
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139
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140 int
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141 popup_handled_p (LWLIB_ID id)
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142 {
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143 return NILP (assq_no_quit (make_int (id), Vpopup_callbacks));
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144 }
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145
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146 /* menu_item_descriptor_to_widget_value() et al. mallocs a
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147 widget_value, but then may signal lisp errors. If an error does
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148 not occur, the opaque ptr we have here has had its pointer set to 0
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149 to tell us not to do anything. Otherwise we free the widget value.
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150 (This has nothing to do with GC, it's just about not dropping
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151 pointers to malloc'd data when errors happen.) */
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152
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153 Lisp_Object
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154 widget_value_unwind (Lisp_Object closure)
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155 {
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156 widget_value *wv = (widget_value *) get_opaque_ptr (closure);
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157 free_opaque_ptr (closure);
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158 if (wv)
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436
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159 free_widget_value_tree (wv);
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428
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160 return Qnil;
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161 }
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162
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163 #if 0
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164 static void
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165 print_widget_value (widget_value *wv, int depth)
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166 {
|
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442
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167 /* strings in wv are in external format; use printf not stdout_out
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168 because the latter takes internal-format strings */
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169 Extbyte d [200];
|
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428
|
170 int i;
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171 for (i = 0; i < depth; i++) d[i] = ' ';
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172 d[depth]=0;
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173 /* #### - print type field */
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174 printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)"));
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175 if (wv->value) printf ("%svalue: %s\n", d, wv->value);
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176 if (wv->key) printf ("%skey: %s\n", d, wv->key);
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177 printf ("%senabled: %d\n", d, wv->enabled);
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178 if (wv->contents)
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179 {
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180 printf ("\n%scontents: \n", d);
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181 print_widget_value (wv->contents, depth + 5);
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182 }
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183 if (wv->next)
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184 {
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185 printf ("\n");
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186 print_widget_value (wv->next, depth);
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187 }
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188 }
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189 #endif
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190
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191 /* This recursively calls free_widget_value() on the tree of widgets.
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192 It must free all data that was malloc'ed for these widget_values.
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193
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194 It used to be that emacs only allocated new storage for the `key' slot.
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195 All other slots are pointers into the data of Lisp_Strings, and must be
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196 left alone. */
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197 void
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198 free_popup_widget_value_tree (widget_value *wv)
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|
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199 {
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200 if (! wv) return;
|
|
1726
|
201 if (wv->key) xfree (wv->key, char *);
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|
|
202 if (wv->value) xfree (wv->value, char *);
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|
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203 if (wv->name) xfree (wv->name, char *);
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|
428
|
204
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|
1204
|
205 wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; /* -559038737 base 10*/
|
|
428
|
206
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|
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207 if (wv->contents && (wv->contents != (widget_value*)1))
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208 {
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|
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209 free_popup_widget_value_tree (wv->contents);
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|
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210 wv->contents = (widget_value *) 0xDEADBEEF;
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|
|
211 }
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|
|
212 if (wv->next)
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|
|
213 {
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|
|
214 free_popup_widget_value_tree (wv->next);
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|
|
215 wv->next = (widget_value *) 0xDEADBEEF;
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|
|
216 }
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|
|
217 free_widget_value (wv);
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|
|
218 }
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219
|
|
|
220 /* The following is actually called from somewhere within XtDispatchEvent(),
|
|
2168
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221 called from XtAppProcessEvent() in event-Xt.c.
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222
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|
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223 Callback function for widgets and menus.
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|
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224 */
|
|
428
|
225
|
|
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226 void
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|
2286
|
227 popup_selection_callback (Widget widget, LWLIB_ID UNUSED (id),
|
|
428
|
228 XtPointer client_data)
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|
|
229 {
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|
442
|
230 Lisp_Object data, image_instance, callback, callback_ex;
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|
|
231 Lisp_Object frame, event;
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|
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232 int update_subwindows_p = 0;
|
|
428
|
233 struct device *d = get_device_from_display (XtDisplay (widget));
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|
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234 struct frame *f = x_any_widget_or_parent_to_frame (d, widget);
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235
|
|
872
|
236 #ifdef HAVE_MENUBARS
|
|
428
|
237 /* set in lwlib to the time stamp associated with the most recent menu
|
|
|
238 operation */
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|
|
239 extern Time x_focus_timestamp_really_sucks_fix_me_better;
|
|
872
|
240 #endif
|
|
428
|
241
|
|
|
242 if (!f)
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|
|
243 return;
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|
|
244 if (((EMACS_INT) client_data) == 0)
|
|
|
245 return;
|
|
826
|
246 data = VOID_TO_LISP (client_data);
|
|
793
|
247 frame = wrap_frame (f);
|
|
428
|
248
|
|
|
249 #if 0
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|
|
250 /* #### What the hell? I can't understand why this call is here,
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|
|
251 and doing it is really courting disaster in the new event
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|
|
252 model, since popup_selection_callback is called from
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|
|
253 within next_event_internal() and Faccept_process_output()
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|
|
254 itself calls next_event_internal(). --Ben */
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|
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255
|
|
|
256 /* Flush the X and process input */
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|
|
257 Faccept_process_output (Qnil, Qnil, Qnil);
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|
|
258 #endif
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|
|
259
|
|
|
260 if (((EMACS_INT) client_data) == -1)
|
|
|
261 {
|
|
442
|
262 event = Fmake_event (Qnil, Qnil);
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|
|
263
|
|
934
|
264 XSET_EVENT_TYPE (event, misc_user_event);
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|
|
265 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
266 XSET_EVENT_MISC_USER_FUNCTION (event, Qrun_hooks);
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|
|
267 XSET_EVENT_MISC_USER_OBJECT (event, Qmenu_no_selection_hook);
|
|
428
|
268 }
|
|
|
269 else
|
|
|
270 {
|
|
442
|
271 image_instance = XCAR (data);
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|
|
272 callback = XCAR (XCDR (data));
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|
|
273 callback_ex = XCDR (XCDR (data));
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|
|
274 update_subwindows_p = 1;
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|
|
275 /* It is possible for a widget action to cause it to get out of
|
|
|
276 sync with its instantiator. Thus it is necessary to signal
|
|
|
277 this possibility. */
|
|
|
278 if (IMAGE_INSTANCEP (image_instance))
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|
|
279 XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (image_instance) = 1;
|
|
|
280
|
|
|
281 if (!NILP (callback_ex) && !UNBOUNDP (callback_ex))
|
|
|
282 {
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|
|
283 event = Fmake_event (Qnil, Qnil);
|
|
|
284
|
|
934
|
285 XSET_EVENT_TYPE (event, misc_user_event);
|
|
|
286 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
287 XSET_EVENT_MISC_USER_FUNCTION (event, Qeval);
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|
|
288 XSET_EVENT_MISC_USER_OBJECT (event, list4 (Qfuncall, callback_ex, image_instance, event));
|
|
442
|
289 }
|
|
|
290 else if (NILP (callback) || UNBOUNDP (callback))
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|
|
291 event = Qnil;
|
|
|
292 else
|
|
|
293 {
|
|
|
294 Lisp_Object fn, arg;
|
|
|
295
|
|
|
296 event = Fmake_event (Qnil, Qnil);
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|
|
297
|
|
|
298 get_gui_callback (callback, &fn, &arg);
|
|
934
|
299 XSET_EVENT_TYPE (event, misc_user_event);
|
|
|
300 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
301 XSET_EVENT_MISC_USER_FUNCTION (event, fn);
|
|
|
302 XSET_EVENT_MISC_USER_OBJECT (event, arg);
|
|
442
|
303 }
|
|
428
|
304 }
|
|
|
305
|
|
|
306 /* This is the timestamp used for asserting focus so we need to get an
|
|
444
|
307 up-to-date value event if no events have been dispatched to emacs
|
|
428
|
308 */
|
|
872
|
309 #ifdef HAVE_MENUBARS
|
|
428
|
310 DEVICE_X_MOUSE_TIMESTAMP (d) = x_focus_timestamp_really_sucks_fix_me_better;
|
|
|
311 #else
|
|
|
312 DEVICE_X_MOUSE_TIMESTAMP (d) = DEVICE_X_GLOBAL_MOUSE_TIMESTAMP (d);
|
|
|
313 #endif
|
|
442
|
314 if (!NILP (event))
|
|
1204
|
315 enqueue_dispatch_event (event);
|
|
442
|
316 /* The result of this evaluation could cause other instances to change so
|
|
|
317 enqueue an update callback to check this. */
|
|
|
318 if (update_subwindows_p && !NILP (event))
|
|
|
319 enqueue_magic_eval_event (update_widget_instances, frame);
|
|
428
|
320 }
|
|
|
321
|
|
|
322 #if 1
|
|
|
323 /* Eval the activep slot of the menu item */
|
|
1914
|
324 # define wv_set_evalable_slot(slot,form) do { \
|
|
|
325 Lisp_Object wses_form = (form); \
|
|
|
326 (slot) = (NILP (wses_form) ? 0 : \
|
|
|
327 EQ (wses_form, Qt) ? 1 : \
|
|
|
328 !NILP (in_display ? eval_within_redisplay (wses_form) \
|
|
|
329 : Feval (wses_form))); \
|
|
428
|
330 } while (0)
|
|
|
331 #else
|
|
|
332 /* Treat the activep slot of the menu item as a boolean */
|
|
|
333 # define wv_set_evalable_slot(slot,form) \
|
|
|
334 ((void) (slot = (!NILP (form))))
|
|
|
335 #endif
|
|
|
336
|
|
442
|
337 Extbyte *
|
|
867
|
338 menu_separator_style_and_to_external (const Ibyte *s)
|
|
428
|
339 {
|
|
867
|
340 const Ibyte *p;
|
|
|
341 Ibyte first;
|
|
428
|
342
|
|
|
343 if (!s || s[0] == '\0')
|
|
|
344 return NULL;
|
|
|
345 first = s[0];
|
|
|
346 if (first != '-' && first != '=')
|
|
|
347 return NULL;
|
|
|
348 for (p = s; *p == first; p++)
|
|
|
349 DO_NOTHING;
|
|
|
350
|
|
|
351 /* #### - cannot currently specify a separator tag "--!tag" and a
|
|
|
352 separator style "--:style" at the same time. */
|
|
|
353 /* #### - Also, the motif menubar code doesn't deal with the
|
|
|
354 double etched style yet, so it's not good to get into the habit of
|
|
|
355 using "===" in menubars to get double-etched lines */
|
|
|
356 if (*p == '!' || *p == '\0')
|
|
|
357 return ((first == '-')
|
|
|
358 ? NULL /* single etched is the default */
|
|
|
359 : xstrdup ("shadowDoubleEtchedIn"));
|
|
|
360 else if (*p == ':')
|
|
442
|
361 {
|
|
|
362 Extbyte *retval;
|
|
|
363
|
|
|
364 C_STRING_TO_EXTERNAL_MALLOC (p + 1, retval, Qlwlib_encoding);
|
|
|
365 return retval;
|
|
|
366 }
|
|
428
|
367
|
|
|
368 return NULL;
|
|
|
369 }
|
|
|
370
|
|
442
|
371 Extbyte *
|
|
|
372 add_accel_and_to_external (Lisp_Object string)
|
|
|
373 {
|
|
|
374 int i;
|
|
|
375 int found_accel = 0;
|
|
|
376 Extbyte *retval;
|
|
867
|
377 Ibyte *name = XSTRING_DATA (string);
|
|
442
|
378
|
|
|
379 for (i = 0; name[i]; ++i)
|
|
|
380 if (name[i] == '%' && name[i+1] == '_')
|
|
|
381 {
|
|
|
382 found_accel = 1;
|
|
|
383 break;
|
|
|
384 }
|
|
|
385
|
|
|
386 if (found_accel)
|
|
|
387 LISP_STRING_TO_EXTERNAL_MALLOC (string, retval, Qlwlib_encoding);
|
|
|
388 else
|
|
|
389 {
|
|
647
|
390 Bytecount namelen = XSTRING_LENGTH (string);
|
|
2367
|
391 Ibyte *chars = alloca_ibytes (namelen + 3);
|
|
442
|
392 chars[0] = '%';
|
|
|
393 chars[1] = '_';
|
|
|
394 memcpy (chars + 2, name, namelen + 1);
|
|
|
395 C_STRING_TO_EXTERNAL_MALLOC (chars, retval, Qlwlib_encoding);
|
|
|
396 }
|
|
|
397
|
|
|
398 return retval;
|
|
|
399 }
|
|
428
|
400
|
|
853
|
401 /* This does the dirty work. GC is inhibited when this is called.
|
|
|
402 */
|
|
428
|
403 int
|
|
442
|
404 button_item_to_widget_value (Lisp_Object gui_object_instance,
|
|
|
405 Lisp_Object gui_item, widget_value *wv,
|
|
|
406 int allow_text_field_p, int no_keys_p,
|
|
|
407 int menu_entry_p, int accel_p)
|
|
428
|
408 {
|
|
853
|
409 /* This function cannot GC because GC is inhibited when it's called */
|
|
440
|
410 Lisp_Gui_Item* pgui = 0;
|
|
428
|
411
|
|
|
412 /* degenerate case */
|
|
|
413 if (STRINGP (gui_item))
|
|
|
414 {
|
|
|
415 wv->type = TEXT_TYPE;
|
|
442
|
416 if (accel_p)
|
|
|
417 wv->name = add_accel_and_to_external (gui_item);
|
|
|
418 else
|
|
|
419 LISP_STRING_TO_EXTERNAL_MALLOC (gui_item, wv->name, Qlwlib_encoding);
|
|
428
|
420 return 1;
|
|
|
421 }
|
|
|
422 else if (!GUI_ITEMP (gui_item))
|
|
563
|
423 invalid_argument ("need a string or a gui_item here", gui_item);
|
|
428
|
424
|
|
|
425 pgui = XGUI_ITEM (gui_item);
|
|
|
426
|
|
|
427 if (!NILP (pgui->filter))
|
|
563
|
428 sferror (":filter keyword not permitted on leaf nodes", gui_item);
|
|
428
|
429
|
|
|
430 #ifdef HAVE_MENUBARS
|
|
442
|
431 if (menu_entry_p && !gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
428
|
432 {
|
|
|
433 /* the include specification says to ignore this item. */
|
|
|
434 return 0;
|
|
|
435 }
|
|
|
436 #endif /* HAVE_MENUBARS */
|
|
|
437
|
|
442
|
438 if (!STRINGP (pgui->name))
|
|
|
439 pgui->name = Feval (pgui->name);
|
|
|
440
|
|
428
|
441 CHECK_STRING (pgui->name);
|
|
442
|
442 if (accel_p)
|
|
|
443 {
|
|
|
444 wv->name = add_accel_and_to_external (pgui->name);
|
|
|
445 wv->accel = LISP_TO_VOID (gui_item_accelerator (gui_item));
|
|
|
446 }
|
|
|
447 else
|
|
|
448 {
|
|
|
449 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->name, wv->name, Qlwlib_encoding);
|
|
|
450 wv->accel = LISP_TO_VOID (Qnil);
|
|
|
451 }
|
|
428
|
452
|
|
|
453 if (!NILP (pgui->suffix))
|
|
|
454 {
|
|
|
455 Lisp_Object suffix2;
|
|
|
456
|
|
|
457 /* Shortcut to avoid evaluating suffix each time */
|
|
|
458 if (STRINGP (pgui->suffix))
|
|
|
459 suffix2 = pgui->suffix;
|
|
|
460 else
|
|
|
461 {
|
|
|
462 suffix2 = Feval (pgui->suffix);
|
|
|
463 CHECK_STRING (suffix2);
|
|
|
464 }
|
|
|
465
|
|
442
|
466 LISP_STRING_TO_EXTERNAL_MALLOC (suffix2, wv->value, Qlwlib_encoding);
|
|
428
|
467 }
|
|
|
468
|
|
|
469 wv_set_evalable_slot (wv->enabled, pgui->active);
|
|
|
470 wv_set_evalable_slot (wv->selected, pgui->selected);
|
|
|
471
|
|
442
|
472 if (!NILP (pgui->callback) || !NILP (pgui->callback_ex))
|
|
|
473 wv->call_data = LISP_TO_VOID (cons3 (gui_object_instance,
|
|
|
474 pgui->callback,
|
|
|
475 pgui->callback_ex));
|
|
428
|
476
|
|
|
477 if (no_keys_p
|
|
|
478 #ifdef HAVE_MENUBARS
|
|
442
|
479 || (menu_entry_p && !menubar_show_keybindings)
|
|
428
|
480 #endif
|
|
|
481 )
|
|
|
482 wv->key = 0;
|
|
|
483 else if (!NILP (pgui->keys)) /* Use this string to generate key bindings */
|
|
|
484 {
|
|
|
485 CHECK_STRING (pgui->keys);
|
|
|
486 pgui->keys = Fsubstitute_command_keys (pgui->keys);
|
|
|
487 if (XSTRING_LENGTH (pgui->keys) > 0)
|
|
442
|
488 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->keys, wv->key, Qlwlib_encoding);
|
|
428
|
489 else
|
|
|
490 wv->key = 0;
|
|
|
491 }
|
|
|
492 else if (SYMBOLP (pgui->callback)) /* Show the binding of this command. */
|
|
|
493 {
|
|
793
|
494 DECLARE_EISTRING_MALLOC (buf);
|
|
428
|
495 /* #### Warning, dependency here on current_buffer and point */
|
|
|
496 where_is_to_char (pgui->callback, buf);
|
|
793
|
497 if (eilen (buf) > 0)
|
|
|
498 C_STRING_TO_EXTERNAL_MALLOC (eidata (buf), wv->key, Qlwlib_encoding);
|
|
428
|
499 else
|
|
|
500 wv->key = 0;
|
|
793
|
501 eifree (buf);
|
|
428
|
502 }
|
|
|
503
|
|
|
504 CHECK_SYMBOL (pgui->style);
|
|
|
505 if (NILP (pgui->style))
|
|
|
506 {
|
|
867
|
507 Ibyte *intname;
|
|
2286
|
508 Bytecount unused_intlen;
|
|
428
|
509 /* If the callback is nil, treat this item like unselectable text.
|
|
|
510 This way, dashes will show up as a separator. */
|
|
|
511 if (!wv->enabled)
|
|
|
512 wv->type = BUTTON_TYPE;
|
|
444
|
513 TO_INTERNAL_FORMAT (C_STRING, wv->name,
|
|
2286
|
514 ALLOCA, (intname, unused_intlen),
|
|
444
|
515 Qlwlib_encoding);
|
|
442
|
516 if (separator_string_p (intname))
|
|
428
|
517 {
|
|
|
518 wv->type = SEPARATOR_TYPE;
|
|
442
|
519 wv->value = menu_separator_style_and_to_external (intname);
|
|
428
|
520 }
|
|
|
521 else
|
|
|
522 {
|
|
|
523 #if 0
|
|
|
524 /* #### - this is generally desirable for menubars, but it breaks
|
|
|
525 a package that uses dialog boxes and next_command_event magic
|
|
|
526 to use the callback slot in dialog buttons for data instead of
|
|
|
527 a real callback.
|
|
|
528
|
|
|
529 Code is data, right? The beauty of LISP abuse. --Stig */
|
|
|
530 if (NILP (callback))
|
|
|
531 wv->type = TEXT_TYPE;
|
|
|
532 else
|
|
|
533 #endif
|
|
|
534 wv->type = BUTTON_TYPE;
|
|
|
535 }
|
|
|
536 }
|
|
|
537 else if (EQ (pgui->style, Qbutton))
|
|
|
538 wv->type = BUTTON_TYPE;
|
|
|
539 else if (EQ (pgui->style, Qtoggle))
|
|
|
540 wv->type = TOGGLE_TYPE;
|
|
|
541 else if (EQ (pgui->style, Qradio))
|
|
|
542 wv->type = RADIO_TYPE;
|
|
|
543 else if (EQ (pgui->style, Qtext))
|
|
|
544 {
|
|
|
545 wv->type = TEXT_TYPE;
|
|
|
546 #if 0
|
|
|
547 wv->value = wv->name;
|
|
|
548 wv->name = "value";
|
|
|
549 #endif
|
|
|
550 }
|
|
|
551 else
|
|
563
|
552 invalid_constant_2 ("Unknown style", pgui->style, gui_item);
|
|
428
|
553
|
|
|
554 if (!allow_text_field_p && (wv->type == TEXT_TYPE))
|
|
563
|
555 sferror ("Text field not allowed in this context", gui_item);
|
|
428
|
556
|
|
|
557 if (!NILP (pgui->selected) && EQ (pgui->style, Qtext))
|
|
563
|
558 sferror
|
|
442
|
559 (":selected only makes sense with :style toggle, radio or button",
|
|
|
560 gui_item);
|
|
428
|
561 return 1;
|
|
|
562 }
|
|
|
563
|
|
|
564 /* parse tree's of gui items into widget_value hierarchies */
|
|
442
|
565 static void gui_item_children_to_widget_values (Lisp_Object
|
|
|
566 gui_object_instance,
|
|
|
567 Lisp_Object items,
|
|
|
568 widget_value* parent,
|
|
|
569 int accel_p);
|
|
428
|
570
|
|
|
571 static widget_value *
|
|
442
|
572 gui_items_to_widget_values_1 (Lisp_Object gui_object_instance,
|
|
|
573 Lisp_Object items, widget_value* parent,
|
|
|
574 widget_value* prev, int accel_p)
|
|
428
|
575 {
|
|
|
576 widget_value* wv = 0;
|
|
|
577
|
|
|
578 assert ((parent || prev) && !(parent && prev));
|
|
|
579 /* now walk the tree creating widget_values as appropriate */
|
|
|
580 if (!CONSP (items))
|
|
|
581 {
|
|
442
|
582 wv = xmalloc_widget_value ();
|
|
428
|
583 if (parent)
|
|
|
584 parent->contents = wv;
|
|
440
|
585 else
|
|
428
|
586 prev->next = wv;
|
|
442
|
587 if (!button_item_to_widget_value (gui_object_instance,
|
|
|
588 items, wv, 0, 1, 0, accel_p))
|
|
428
|
589 {
|
|
436
|
590 free_widget_value_tree (wv);
|
|
428
|
591 if (parent)
|
|
|
592 parent->contents = 0;
|
|
440
|
593 else
|
|
428
|
594 prev->next = 0;
|
|
|
595 }
|
|
440
|
596 else
|
|
442
|
597 wv->value = xstrdup (wv->name); /* what a mess... */
|
|
428
|
598 }
|
|
|
599 else
|
|
|
600 {
|
|
|
601 /* first one is the parent */
|
|
|
602 if (CONSP (XCAR (items)))
|
|
563
|
603 sferror ("parent item must not be a list", XCAR (items));
|
|
428
|
604
|
|
|
605 if (parent)
|
|
442
|
606 wv = gui_items_to_widget_values_1 (gui_object_instance,
|
|
|
607 XCAR (items), parent, 0, accel_p);
|
|
428
|
608 else
|
|
442
|
609 wv = gui_items_to_widget_values_1 (gui_object_instance,
|
|
|
610 XCAR (items), 0, prev, accel_p);
|
|
428
|
611 /* the rest are the children */
|
|
442
|
612 gui_item_children_to_widget_values (gui_object_instance,
|
|
|
613 XCDR (items), wv, accel_p);
|
|
428
|
614 }
|
|
|
615 return wv;
|
|
|
616 }
|
|
|
617
|
|
|
618 static void
|
|
442
|
619 gui_item_children_to_widget_values (Lisp_Object gui_object_instance,
|
|
|
620 Lisp_Object items, widget_value* parent,
|
|
|
621 int accel_p)
|
|
428
|
622 {
|
|
|
623 widget_value* wv = 0, *prev = 0;
|
|
|
624 Lisp_Object rest;
|
|
|
625 CHECK_CONS (items);
|
|
|
626
|
|
|
627 /* first one is master */
|
|
442
|
628 prev = gui_items_to_widget_values_1 (gui_object_instance, XCAR (items),
|
|
|
629 parent, 0, accel_p);
|
|
428
|
630 /* the rest are the children */
|
|
|
631 LIST_LOOP (rest, XCDR (items))
|
|
|
632 {
|
|
|
633 Lisp_Object tab = XCAR (rest);
|
|
442
|
634 wv = gui_items_to_widget_values_1 (gui_object_instance, tab, 0, prev,
|
|
|
635 accel_p);
|
|
428
|
636 prev = wv;
|
|
|
637 }
|
|
|
638 }
|
|
|
639
|
|
|
640 widget_value *
|
|
442
|
641 gui_items_to_widget_values (Lisp_Object gui_object_instance, Lisp_Object items,
|
|
|
642 int accel_p)
|
|
428
|
643 {
|
|
|
644 /* This function can GC */
|
|
|
645 widget_value *control = 0, *tmp = 0;
|
|
771
|
646 int count;
|
|
428
|
647 Lisp_Object wv_closure;
|
|
|
648
|
|
|
649 if (NILP (items))
|
|
563
|
650 sferror ("must have some items", items);
|
|
428
|
651
|
|
|
652 /* Inhibit GC during this conversion. The reasons for this are
|
|
|
653 the same as in menu_item_descriptor_to_widget_value(); see
|
|
|
654 the large comment above that function. */
|
|
771
|
655 count = begin_gc_forbidden ();
|
|
428
|
656
|
|
|
657 /* Also make sure that we free the partially-created widget_value
|
|
|
658 tree on Lisp error. */
|
|
442
|
659 control = xmalloc_widget_value ();
|
|
428
|
660 wv_closure = make_opaque_ptr (control);
|
|
|
661 record_unwind_protect (widget_value_unwind, wv_closure);
|
|
|
662
|
|
442
|
663 gui_items_to_widget_values_1 (gui_object_instance, items, control, 0,
|
|
|
664 accel_p);
|
|
428
|
665
|
|
|
666 /* mess about getting the data we really want */
|
|
|
667 tmp = control;
|
|
|
668 control = control->contents;
|
|
|
669 tmp->next = 0;
|
|
|
670 tmp->contents = 0;
|
|
436
|
671 free_widget_value_tree (tmp);
|
|
428
|
672
|
|
|
673 /* No more need to free the half-filled-in structures. */
|
|
|
674 set_opaque_ptr (wv_closure, 0);
|
|
771
|
675 unbind_to (count);
|
|
428
|
676
|
|
|
677 return control;
|
|
|
678 }
|
|
|
679
|
|
|
680 void
|
|
|
681 syms_of_gui_x (void)
|
|
|
682 {
|
|
|
683 }
|
|
|
684
|
|
|
685 void
|
|
|
686 reinit_vars_of_gui_x (void)
|
|
|
687 {
|
|
|
688 lwlib_id_tick = (1<<16); /* start big, to not conflict with Energize */
|
|
|
689 #ifdef HAVE_POPUPS
|
|
|
690 popup_up_p = 0;
|
|
|
691 #endif
|
|
|
692 }
|
|
|
693
|
|
|
694 void
|
|
|
695 vars_of_gui_x (void)
|
|
|
696 {
|
|
|
697 Vpopup_callbacks = Qnil;
|
|
|
698 staticpro (&Vpopup_callbacks);
|
|
|
699 }
|
