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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
|
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
|
43 #ifdef LWLIB_USES_MOTIF
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1315
|
44 #include "xmotif.h" /* for XmVersion */
|
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428
|
45 #endif
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46
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|
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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
|
49
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50 LWLIB_ID
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51 new_lwlib_id (void)
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|
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52 {
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1346
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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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|
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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
|
125
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1346
|
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
|
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
|
159 free_widget_value_tree (wv);
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428
|
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 {
|
|
442
|
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];
|
|
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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|
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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 }
|
|
|
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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|
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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)
|
|
|
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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|
|
203 if (wv->name) xfree (wv->name, char *);
|
|
428
|
204
|
|
1204
|
205 wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; /* -559038737 base 10*/
|
|
428
|
206
|
|
|
207 if (wv->contents && (wv->contents != (widget_value*)1))
|
|
|
208 {
|
|
|
209 free_popup_widget_value_tree (wv->contents);
|
|
|
210 wv->contents = (widget_value *) 0xDEADBEEF;
|
|
|
211 }
|
|
|
212 if (wv->next)
|
|
|
213 {
|
|
|
214 free_popup_widget_value_tree (wv->next);
|
|
|
215 wv->next = (widget_value *) 0xDEADBEEF;
|
|
|
216 }
|
|
|
217 free_widget_value (wv);
|
|
|
218 }
|
|
|
219
|
|
|
220 /* The following is actually called from somewhere within XtDispatchEvent(),
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|
|
221 called from XtAppProcessEvent() in event-Xt.c */
|
|
|
222
|
|
|
223 void
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|
|
224 popup_selection_callback (Widget widget, LWLIB_ID ignored_id,
|
|
|
225 XtPointer client_data)
|
|
|
226 {
|
|
442
|
227 Lisp_Object data, image_instance, callback, callback_ex;
|
|
|
228 Lisp_Object frame, event;
|
|
|
229 int update_subwindows_p = 0;
|
|
428
|
230 struct device *d = get_device_from_display (XtDisplay (widget));
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|
|
231 struct frame *f = x_any_widget_or_parent_to_frame (d, widget);
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|
|
232
|
|
872
|
233 #ifdef HAVE_MENUBARS
|
|
428
|
234 /* set in lwlib to the time stamp associated with the most recent menu
|
|
|
235 operation */
|
|
|
236 extern Time x_focus_timestamp_really_sucks_fix_me_better;
|
|
872
|
237 #endif
|
|
428
|
238
|
|
|
239 if (!f)
|
|
|
240 return;
|
|
|
241 if (((EMACS_INT) client_data) == 0)
|
|
|
242 return;
|
|
826
|
243 data = VOID_TO_LISP (client_data);
|
|
793
|
244 frame = wrap_frame (f);
|
|
428
|
245
|
|
|
246 #if 0
|
|
|
247 /* #### What the hell? I can't understand why this call is here,
|
|
|
248 and doing it is really courting disaster in the new event
|
|
|
249 model, since popup_selection_callback is called from
|
|
|
250 within next_event_internal() and Faccept_process_output()
|
|
|
251 itself calls next_event_internal(). --Ben */
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|
|
252
|
|
|
253 /* Flush the X and process input */
|
|
|
254 Faccept_process_output (Qnil, Qnil, Qnil);
|
|
|
255 #endif
|
|
|
256
|
|
|
257 if (((EMACS_INT) client_data) == -1)
|
|
|
258 {
|
|
442
|
259 event = Fmake_event (Qnil, Qnil);
|
|
|
260
|
|
934
|
261 XSET_EVENT_TYPE (event, misc_user_event);
|
|
|
262 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
263 XSET_EVENT_MISC_USER_FUNCTION (event, Qrun_hooks);
|
|
|
264 XSET_EVENT_MISC_USER_OBJECT (event, Qmenu_no_selection_hook);
|
|
428
|
265 }
|
|
|
266 else
|
|
|
267 {
|
|
442
|
268 image_instance = XCAR (data);
|
|
|
269 callback = XCAR (XCDR (data));
|
|
|
270 callback_ex = XCDR (XCDR (data));
|
|
|
271 update_subwindows_p = 1;
|
|
|
272 /* It is possible for a widget action to cause it to get out of
|
|
|
273 sync with its instantiator. Thus it is necessary to signal
|
|
|
274 this possibility. */
|
|
|
275 if (IMAGE_INSTANCEP (image_instance))
|
|
|
276 XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (image_instance) = 1;
|
|
|
277
|
|
|
278 if (!NILP (callback_ex) && !UNBOUNDP (callback_ex))
|
|
|
279 {
|
|
|
280 event = Fmake_event (Qnil, Qnil);
|
|
|
281
|
|
934
|
282 XSET_EVENT_TYPE (event, misc_user_event);
|
|
|
283 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
284 XSET_EVENT_MISC_USER_FUNCTION (event, Qeval);
|
|
|
285 XSET_EVENT_MISC_USER_OBJECT (event, list4 (Qfuncall, callback_ex, image_instance, event));
|
|
442
|
286 }
|
|
|
287 else if (NILP (callback) || UNBOUNDP (callback))
|
|
|
288 event = Qnil;
|
|
|
289 else
|
|
|
290 {
|
|
|
291 Lisp_Object fn, arg;
|
|
|
292
|
|
|
293 event = Fmake_event (Qnil, Qnil);
|
|
|
294
|
|
|
295 get_gui_callback (callback, &fn, &arg);
|
|
934
|
296 XSET_EVENT_TYPE (event, misc_user_event);
|
|
|
297 XSET_EVENT_CHANNEL (event, frame);
|
|
1204
|
298 XSET_EVENT_MISC_USER_FUNCTION (event, fn);
|
|
|
299 XSET_EVENT_MISC_USER_OBJECT (event, arg);
|
|
442
|
300 }
|
|
428
|
301 }
|
|
|
302
|
|
|
303 /* This is the timestamp used for asserting focus so we need to get an
|
|
444
|
304 up-to-date value event if no events have been dispatched to emacs
|
|
428
|
305 */
|
|
872
|
306 #ifdef HAVE_MENUBARS
|
|
428
|
307 DEVICE_X_MOUSE_TIMESTAMP (d) = x_focus_timestamp_really_sucks_fix_me_better;
|
|
|
308 #else
|
|
|
309 DEVICE_X_MOUSE_TIMESTAMP (d) = DEVICE_X_GLOBAL_MOUSE_TIMESTAMP (d);
|
|
|
310 #endif
|
|
442
|
311 if (!NILP (event))
|
|
1204
|
312 enqueue_dispatch_event (event);
|
|
442
|
313 /* The result of this evaluation could cause other instances to change so
|
|
|
314 enqueue an update callback to check this. */
|
|
|
315 if (update_subwindows_p && !NILP (event))
|
|
|
316 enqueue_magic_eval_event (update_widget_instances, frame);
|
|
428
|
317 }
|
|
|
318
|
|
|
319 #if 1
|
|
|
320 /* Eval the activep slot of the menu item */
|
|
|
321 # define wv_set_evalable_slot(slot,form) do { \
|
|
|
322 Lisp_Object wses_form = (form); \
|
|
|
323 (slot) = (NILP (wses_form) ? 0 : \
|
|
|
324 EQ (wses_form, Qt) ? 1 : \
|
|
|
325 !NILP (Feval (wses_form))); \
|
|
|
326 } while (0)
|
|
|
327 #else
|
|
|
328 /* Treat the activep slot of the menu item as a boolean */
|
|
|
329 # define wv_set_evalable_slot(slot,form) \
|
|
|
330 ((void) (slot = (!NILP (form))))
|
|
|
331 #endif
|
|
|
332
|
|
442
|
333 Extbyte *
|
|
867
|
334 menu_separator_style_and_to_external (const Ibyte *s)
|
|
428
|
335 {
|
|
867
|
336 const Ibyte *p;
|
|
|
337 Ibyte first;
|
|
428
|
338
|
|
|
339 if (!s || s[0] == '\0')
|
|
|
340 return NULL;
|
|
|
341 first = s[0];
|
|
|
342 if (first != '-' && first != '=')
|
|
|
343 return NULL;
|
|
|
344 for (p = s; *p == first; p++)
|
|
|
345 DO_NOTHING;
|
|
|
346
|
|
|
347 /* #### - cannot currently specify a separator tag "--!tag" and a
|
|
|
348 separator style "--:style" at the same time. */
|
|
|
349 /* #### - Also, the motif menubar code doesn't deal with the
|
|
|
350 double etched style yet, so it's not good to get into the habit of
|
|
|
351 using "===" in menubars to get double-etched lines */
|
|
|
352 if (*p == '!' || *p == '\0')
|
|
|
353 return ((first == '-')
|
|
|
354 ? NULL /* single etched is the default */
|
|
|
355 : xstrdup ("shadowDoubleEtchedIn"));
|
|
|
356 else if (*p == ':')
|
|
442
|
357 {
|
|
|
358 Extbyte *retval;
|
|
|
359
|
|
|
360 C_STRING_TO_EXTERNAL_MALLOC (p + 1, retval, Qlwlib_encoding);
|
|
|
361 return retval;
|
|
|
362 }
|
|
428
|
363
|
|
|
364 return NULL;
|
|
|
365 }
|
|
|
366
|
|
442
|
367 Extbyte *
|
|
|
368 add_accel_and_to_external (Lisp_Object string)
|
|
|
369 {
|
|
|
370 int i;
|
|
|
371 int found_accel = 0;
|
|
|
372 Extbyte *retval;
|
|
867
|
373 Ibyte *name = XSTRING_DATA (string);
|
|
442
|
374
|
|
|
375 for (i = 0; name[i]; ++i)
|
|
|
376 if (name[i] == '%' && name[i+1] == '_')
|
|
|
377 {
|
|
|
378 found_accel = 1;
|
|
|
379 break;
|
|
|
380 }
|
|
|
381
|
|
|
382 if (found_accel)
|
|
|
383 LISP_STRING_TO_EXTERNAL_MALLOC (string, retval, Qlwlib_encoding);
|
|
|
384 else
|
|
|
385 {
|
|
647
|
386 Bytecount namelen = XSTRING_LENGTH (string);
|
|
867
|
387 Ibyte *chars = (Ibyte *) ALLOCA (namelen + 3);
|
|
442
|
388 chars[0] = '%';
|
|
|
389 chars[1] = '_';
|
|
|
390 memcpy (chars + 2, name, namelen + 1);
|
|
|
391 C_STRING_TO_EXTERNAL_MALLOC (chars, retval, Qlwlib_encoding);
|
|
|
392 }
|
|
|
393
|
|
|
394 return retval;
|
|
|
395 }
|
|
428
|
396
|
|
853
|
397 /* This does the dirty work. GC is inhibited when this is called.
|
|
|
398 */
|
|
428
|
399 int
|
|
442
|
400 button_item_to_widget_value (Lisp_Object gui_object_instance,
|
|
|
401 Lisp_Object gui_item, widget_value *wv,
|
|
|
402 int allow_text_field_p, int no_keys_p,
|
|
|
403 int menu_entry_p, int accel_p)
|
|
428
|
404 {
|
|
853
|
405 /* This function cannot GC because GC is inhibited when it's called */
|
|
440
|
406 Lisp_Gui_Item* pgui = 0;
|
|
428
|
407
|
|
|
408 /* degenerate case */
|
|
|
409 if (STRINGP (gui_item))
|
|
|
410 {
|
|
|
411 wv->type = TEXT_TYPE;
|
|
442
|
412 if (accel_p)
|
|
|
413 wv->name = add_accel_and_to_external (gui_item);
|
|
|
414 else
|
|
|
415 LISP_STRING_TO_EXTERNAL_MALLOC (gui_item, wv->name, Qlwlib_encoding);
|
|
428
|
416 return 1;
|
|
|
417 }
|
|
|
418 else if (!GUI_ITEMP (gui_item))
|
|
563
|
419 invalid_argument ("need a string or a gui_item here", gui_item);
|
|
428
|
420
|
|
|
421 pgui = XGUI_ITEM (gui_item);
|
|
|
422
|
|
|
423 if (!NILP (pgui->filter))
|
|
563
|
424 sferror (":filter keyword not permitted on leaf nodes", gui_item);
|
|
428
|
425
|
|
|
426 #ifdef HAVE_MENUBARS
|
|
442
|
427 if (menu_entry_p && !gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
428
|
428 {
|
|
|
429 /* the include specification says to ignore this item. */
|
|
|
430 return 0;
|
|
|
431 }
|
|
|
432 #endif /* HAVE_MENUBARS */
|
|
|
433
|
|
442
|
434 if (!STRINGP (pgui->name))
|
|
|
435 pgui->name = Feval (pgui->name);
|
|
|
436
|
|
428
|
437 CHECK_STRING (pgui->name);
|
|
442
|
438 if (accel_p)
|
|
|
439 {
|
|
|
440 wv->name = add_accel_and_to_external (pgui->name);
|
|
|
441 wv->accel = LISP_TO_VOID (gui_item_accelerator (gui_item));
|
|
|
442 }
|
|
|
443 else
|
|
|
444 {
|
|
|
445 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->name, wv->name, Qlwlib_encoding);
|
|
|
446 wv->accel = LISP_TO_VOID (Qnil);
|
|
|
447 }
|
|
428
|
448
|
|
|
449 if (!NILP (pgui->suffix))
|
|
|
450 {
|
|
|
451 Lisp_Object suffix2;
|
|
|
452
|
|
|
453 /* Shortcut to avoid evaluating suffix each time */
|
|
|
454 if (STRINGP (pgui->suffix))
|
|
|
455 suffix2 = pgui->suffix;
|
|
|
456 else
|
|
|
457 {
|
|
|
458 suffix2 = Feval (pgui->suffix);
|
|
|
459 CHECK_STRING (suffix2);
|
|
|
460 }
|
|
|
461
|
|
442
|
462 LISP_STRING_TO_EXTERNAL_MALLOC (suffix2, wv->value, Qlwlib_encoding);
|
|
428
|
463 }
|
|
|
464
|
|
|
465 wv_set_evalable_slot (wv->enabled, pgui->active);
|
|
|
466 wv_set_evalable_slot (wv->selected, pgui->selected);
|
|
|
467
|
|
442
|
468 if (!NILP (pgui->callback) || !NILP (pgui->callback_ex))
|
|
|
469 wv->call_data = LISP_TO_VOID (cons3 (gui_object_instance,
|
|
|
470 pgui->callback,
|
|
|
471 pgui->callback_ex));
|
|
428
|
472
|
|
|
473 if (no_keys_p
|
|
|
474 #ifdef HAVE_MENUBARS
|
|
442
|
475 || (menu_entry_p && !menubar_show_keybindings)
|
|
428
|
476 #endif
|
|
|
477 )
|
|
|
478 wv->key = 0;
|
|
|
479 else if (!NILP (pgui->keys)) /* Use this string to generate key bindings */
|
|
|
480 {
|
|
|
481 CHECK_STRING (pgui->keys);
|
|
|
482 pgui->keys = Fsubstitute_command_keys (pgui->keys);
|
|
|
483 if (XSTRING_LENGTH (pgui->keys) > 0)
|
|
442
|
484 LISP_STRING_TO_EXTERNAL_MALLOC (pgui->keys, wv->key, Qlwlib_encoding);
|
|
428
|
485 else
|
|
|
486 wv->key = 0;
|
|
|
487 }
|
|
|
488 else if (SYMBOLP (pgui->callback)) /* Show the binding of this command. */
|
|
|
489 {
|
|
793
|
490 DECLARE_EISTRING_MALLOC (buf);
|
|
428
|
491 /* #### Warning, dependency here on current_buffer and point */
|
|
|
492 where_is_to_char (pgui->callback, buf);
|
|
793
|
493 if (eilen (buf) > 0)
|
|
|
494 C_STRING_TO_EXTERNAL_MALLOC (eidata (buf), wv->key, Qlwlib_encoding);
|
|
428
|
495 else
|
|
|
496 wv->key = 0;
|
|
793
|
497 eifree (buf);
|
|
428
|
498 }
|
|
|
499
|
|
|
500 CHECK_SYMBOL (pgui->style);
|
|
|
501 if (NILP (pgui->style))
|
|
|
502 {
|
|
867
|
503 Ibyte *intname;
|
|
444
|
504 Bytecount intlen;
|
|
428
|
505 /* If the callback is nil, treat this item like unselectable text.
|
|
|
506 This way, dashes will show up as a separator. */
|
|
|
507 if (!wv->enabled)
|
|
|
508 wv->type = BUTTON_TYPE;
|
|
444
|
509 TO_INTERNAL_FORMAT (C_STRING, wv->name,
|
|
|
510 ALLOCA, (intname, intlen),
|
|
|
511 Qlwlib_encoding);
|
|
442
|
512 if (separator_string_p (intname))
|
|
428
|
513 {
|
|
|
514 wv->type = SEPARATOR_TYPE;
|
|
442
|
515 wv->value = menu_separator_style_and_to_external (intname);
|
|
428
|
516 }
|
|
|
517 else
|
|
|
518 {
|
|
|
519 #if 0
|
|
|
520 /* #### - this is generally desirable for menubars, but it breaks
|
|
|
521 a package that uses dialog boxes and next_command_event magic
|
|
|
522 to use the callback slot in dialog buttons for data instead of
|
|
|
523 a real callback.
|
|
|
524
|
|
|
525 Code is data, right? The beauty of LISP abuse. --Stig */
|
|
|
526 if (NILP (callback))
|
|
|
527 wv->type = TEXT_TYPE;
|
|
|
528 else
|
|
|
529 #endif
|
|
|
530 wv->type = BUTTON_TYPE;
|
|
|
531 }
|
|
|
532 }
|
|
|
533 else if (EQ (pgui->style, Qbutton))
|
|
|
534 wv->type = BUTTON_TYPE;
|
|
|
535 else if (EQ (pgui->style, Qtoggle))
|
|
|
536 wv->type = TOGGLE_TYPE;
|
|
|
537 else if (EQ (pgui->style, Qradio))
|
|
|
538 wv->type = RADIO_TYPE;
|
|
|
539 else if (EQ (pgui->style, Qtext))
|
|
|
540 {
|
|
|
541 wv->type = TEXT_TYPE;
|
|
|
542 #if 0
|
|
|
543 wv->value = wv->name;
|
|
|
544 wv->name = "value";
|
|
|
545 #endif
|
|
|
546 }
|
|
|
547 else
|
|
563
|
548 invalid_constant_2 ("Unknown style", pgui->style, gui_item);
|
|
428
|
549
|
|
|
550 if (!allow_text_field_p && (wv->type == TEXT_TYPE))
|
|
563
|
551 sferror ("Text field not allowed in this context", gui_item);
|
|
428
|
552
|
|
|
553 if (!NILP (pgui->selected) && EQ (pgui->style, Qtext))
|
|
563
|
554 sferror
|
|
442
|
555 (":selected only makes sense with :style toggle, radio or button",
|
|
|
556 gui_item);
|
|
428
|
557 return 1;
|
|
|
558 }
|
|
|
559
|
|
|
560 /* parse tree's of gui items into widget_value hierarchies */
|
|
442
|
561 static void gui_item_children_to_widget_values (Lisp_Object
|
|
|
562 gui_object_instance,
|
|
|
563 Lisp_Object items,
|
|
|
564 widget_value* parent,
|
|
|
565 int accel_p);
|
|
428
|
566
|
|
|
567 static widget_value *
|
|
442
|
568 gui_items_to_widget_values_1 (Lisp_Object gui_object_instance,
|
|
|
569 Lisp_Object items, widget_value* parent,
|
|
|
570 widget_value* prev, int accel_p)
|
|
428
|
571 {
|
|
|
572 widget_value* wv = 0;
|
|
|
573
|
|
|
574 assert ((parent || prev) && !(parent && prev));
|
|
|
575 /* now walk the tree creating widget_values as appropriate */
|
|
|
576 if (!CONSP (items))
|
|
|
577 {
|
|
442
|
578 wv = xmalloc_widget_value ();
|
|
428
|
579 if (parent)
|
|
|
580 parent->contents = wv;
|
|
440
|
581 else
|
|
428
|
582 prev->next = wv;
|
|
442
|
583 if (!button_item_to_widget_value (gui_object_instance,
|
|
|
584 items, wv, 0, 1, 0, accel_p))
|
|
428
|
585 {
|
|
436
|
586 free_widget_value_tree (wv);
|
|
428
|
587 if (parent)
|
|
|
588 parent->contents = 0;
|
|
440
|
589 else
|
|
428
|
590 prev->next = 0;
|
|
|
591 }
|
|
440
|
592 else
|
|
442
|
593 wv->value = xstrdup (wv->name); /* what a mess... */
|
|
428
|
594 }
|
|
|
595 else
|
|
|
596 {
|
|
|
597 /* first one is the parent */
|
|
|
598 if (CONSP (XCAR (items)))
|
|
563
|
599 sferror ("parent item must not be a list", XCAR (items));
|
|
428
|
600
|
|
|
601 if (parent)
|
|
442
|
602 wv = gui_items_to_widget_values_1 (gui_object_instance,
|
|
|
603 XCAR (items), parent, 0, accel_p);
|
|
428
|
604 else
|
|
442
|
605 wv = gui_items_to_widget_values_1 (gui_object_instance,
|
|
|
606 XCAR (items), 0, prev, accel_p);
|
|
428
|
607 /* the rest are the children */
|
|
442
|
608 gui_item_children_to_widget_values (gui_object_instance,
|
|
|
609 XCDR (items), wv, accel_p);
|
|
428
|
610 }
|
|
|
611 return wv;
|
|
|
612 }
|
|
|
613
|
|
|
614 static void
|
|
442
|
615 gui_item_children_to_widget_values (Lisp_Object gui_object_instance,
|
|
|
616 Lisp_Object items, widget_value* parent,
|
|
|
617 int accel_p)
|
|
428
|
618 {
|
|
|
619 widget_value* wv = 0, *prev = 0;
|
|
|
620 Lisp_Object rest;
|
|
|
621 CHECK_CONS (items);
|
|
|
622
|
|
|
623 /* first one is master */
|
|
442
|
624 prev = gui_items_to_widget_values_1 (gui_object_instance, XCAR (items),
|
|
|
625 parent, 0, accel_p);
|
|
428
|
626 /* the rest are the children */
|
|
|
627 LIST_LOOP (rest, XCDR (items))
|
|
|
628 {
|
|
|
629 Lisp_Object tab = XCAR (rest);
|
|
442
|
630 wv = gui_items_to_widget_values_1 (gui_object_instance, tab, 0, prev,
|
|
|
631 accel_p);
|
|
428
|
632 prev = wv;
|
|
|
633 }
|
|
|
634 }
|
|
|
635
|
|
|
636 widget_value *
|
|
442
|
637 gui_items_to_widget_values (Lisp_Object gui_object_instance, Lisp_Object items,
|
|
|
638 int accel_p)
|
|
428
|
639 {
|
|
|
640 /* This function can GC */
|
|
|
641 widget_value *control = 0, *tmp = 0;
|
|
771
|
642 int count;
|
|
428
|
643 Lisp_Object wv_closure;
|
|
|
644
|
|
|
645 if (NILP (items))
|
|
563
|
646 sferror ("must have some items", items);
|
|
428
|
647
|
|
|
648 /* Inhibit GC during this conversion. The reasons for this are
|
|
|
649 the same as in menu_item_descriptor_to_widget_value(); see
|
|
|
650 the large comment above that function. */
|
|
771
|
651 count = begin_gc_forbidden ();
|
|
428
|
652
|
|
|
653 /* Also make sure that we free the partially-created widget_value
|
|
|
654 tree on Lisp error. */
|
|
442
|
655 control = xmalloc_widget_value ();
|
|
428
|
656 wv_closure = make_opaque_ptr (control);
|
|
|
657 record_unwind_protect (widget_value_unwind, wv_closure);
|
|
|
658
|
|
442
|
659 gui_items_to_widget_values_1 (gui_object_instance, items, control, 0,
|
|
|
660 accel_p);
|
|
428
|
661
|
|
|
662 /* mess about getting the data we really want */
|
|
|
663 tmp = control;
|
|
|
664 control = control->contents;
|
|
|
665 tmp->next = 0;
|
|
|
666 tmp->contents = 0;
|
|
436
|
667 free_widget_value_tree (tmp);
|
|
428
|
668
|
|
|
669 /* No more need to free the half-filled-in structures. */
|
|
|
670 set_opaque_ptr (wv_closure, 0);
|
|
771
|
671 unbind_to (count);
|
|
428
|
672
|
|
|
673 return control;
|
|
|
674 }
|
|
|
675
|
|
|
676 void
|
|
|
677 syms_of_gui_x (void)
|
|
|
678 {
|
|
|
679 }
|
|
|
680
|
|
|
681 void
|
|
|
682 reinit_vars_of_gui_x (void)
|
|
|
683 {
|
|
|
684 lwlib_id_tick = (1<<16); /* start big, to not conflict with Energize */
|
|
|
685 #ifdef HAVE_POPUPS
|
|
|
686 popup_up_p = 0;
|
|
|
687 #endif
|
|
|
688 }
|
|
|
689
|
|
|
690 void
|
|
|
691 vars_of_gui_x (void)
|
|
|
692 {
|
|
|
693 reinit_vars_of_gui_x ();
|
|
|
694
|
|
|
695 Vpopup_callbacks = Qnil;
|
|
|
696 staticpro (&Vpopup_callbacks);
|
|
|
697 }
|
