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0
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1 /* Generic GUI code. (menubars, scrollbars, toolbars, dialogs)
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2 Copyright (C) 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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259
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5 Copyright (C) 1998 Free Software Foundation, Inc.
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0
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 #include <config.h>
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251
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27 #include "lisp.h"
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231
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28 #include "gui.h"
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384
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29 #include "elhash.h"
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404
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30 #include "buffer.h"
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380
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31 #include "bytecode.h"
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0
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32
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33 Lisp_Object Q_active, Q_suffix, Q_keys, Q_style, Q_selected;
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377
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34 Lisp_Object Q_filter, Q_config, Q_included, Q_key_sequence;
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388
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35 Lisp_Object Q_accelerator, Q_label, Q_callback;
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0
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36 Lisp_Object Qtoggle, Qradio;
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37
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398
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38 static Lisp_Object parse_gui_item_tree_list (Lisp_Object list);
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39
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231
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40 #ifdef HAVE_POPUPS
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41
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42 /* count of menus/dboxes currently up */
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43 int popup_up_p;
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44
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45 DEFUN ("popup-up-p", Fpopup_up_p, 0, 0, 0, /*
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46 Return t if a popup menu or dialog box is up, nil otherwise.
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47 See `popup-menu' and `popup-dialog-box'.
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48 */
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49 ())
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50 {
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51 return popup_up_p ? Qt : Qnil;
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52 }
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384
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53 #endif /* HAVE_POPUPS */
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231
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54
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55 int
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398
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56 separator_string_p (const char *s)
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231
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57 {
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398
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58 const char *p;
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231
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59 char first;
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60
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61 if (!s || s[0] == '\0')
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62 return 0;
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63 first = s[0];
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64 if (first != '-' && first != '=')
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65 return 0;
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272
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66 for (p = s; *p == first; p++)
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67 ;
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231
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68
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272
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69 return (*p == '!' || *p == ':' || *p == '\0');
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231
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70 }
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71
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286
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72 /* Massage DATA to find the correct function and argument. Used by
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73 popup_selection_callback() and the msw code. */
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74 void
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288
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75 get_gui_callback (Lisp_Object data, Lisp_Object *fn, Lisp_Object *arg)
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286
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76 {
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77 if (SYMBOLP (data)
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78 || (COMPILED_FUNCTIONP (data)
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79 && XCOMPILED_FUNCTION (data)->flags.interactivep)
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398
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80 || (CONSP (data) && (EQ (XCAR (data), Qlambda))
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286
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81 && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
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82 {
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83 *fn = Qcall_interactively;
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84 *arg = data;
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85 }
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86 else if (CONSP (data))
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87 {
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88 *fn = Qeval;
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89 *arg = data;
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90 }
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91 else
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92 {
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93 *fn = Qeval;
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94 *arg = list3 (Qsignal,
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95 list2 (Qquote, Qerror),
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96 list2 (Qquote, list2 (build_translated_string
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97 ("illegal callback"),
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98 data)));
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99 }
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100 }
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101
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272
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102 /*
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251
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103 * Add a value VAL associated with keyword KEY into PGUI_ITEM
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104 * structure. If KEY is not a keyword, or is an unknown keyword, then
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105 * error is signaled.
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106 */
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272
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107 void
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398
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108 gui_item_add_keyval_pair (Lisp_Object gui_item,
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109 Lisp_Object key, Lisp_Object val,
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388
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110 Error_behavior errb)
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251
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111 {
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404
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112 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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398
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113
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251
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114 if (!KEYWORDP (key))
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272
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115 signal_simple_error_2 ("Non-keyword in gui item", key, pgui_item->name);
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251
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116
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272
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117 if (EQ (key, Q_suffix)) pgui_item->suffix = val;
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118 else if (EQ (key, Q_active)) pgui_item->active = val;
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119 else if (EQ (key, Q_included)) pgui_item->included = val;
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120 else if (EQ (key, Q_config)) pgui_item->config = val;
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121 else if (EQ (key, Q_filter)) pgui_item->filter = val;
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122 else if (EQ (key, Q_style)) pgui_item->style = val;
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123 else if (EQ (key, Q_selected)) pgui_item->selected = val;
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124 else if (EQ (key, Q_keys)) pgui_item->keys = val;
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388
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125 else if (EQ (key, Q_callback)) pgui_item->callback = val;
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398
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126 else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compatibility */
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377
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127 else if (EQ (key, Q_label)) ; /* ignored for 21.0 implement in 21.2 */
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398
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128 else if (EQ (key, Q_accelerator))
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129 {
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130 if (SYMBOLP (val) || CHARP (val))
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131 pgui_item->accelerator = val;
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132 else if (ERRB_EQ (errb, ERROR_ME))
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133 signal_simple_error ("Bad keyboard accelerator", val);
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134 }
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388
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135 else if (ERRB_EQ (errb, ERROR_ME))
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404
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136 signal_simple_error_2 ("Unknown keyword in gui item", key,
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137 pgui_item->name);
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251
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138 }
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139
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398
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140 void
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141 gui_item_init (Lisp_Object gui_item)
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142 {
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143 Lisp_Gui_Item *lp = XGUI_ITEM (gui_item);
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144
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145 lp->name = Qnil;
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146 lp->callback = Qnil;
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147 lp->suffix = Qnil;
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148 lp->active = Qt;
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149 lp->included = Qt;
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150 lp->config = Qnil;
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151 lp->filter = Qnil;
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152 lp->style = Qnil;
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153 lp->selected = Qnil;
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154 lp->keys = Qnil;
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155 lp->accelerator = Qnil;
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156 }
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157
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158 Lisp_Object
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159 allocate_gui_item (void)
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160 {
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161 Lisp_Gui_Item *lp = alloc_lcrecord_type (Lisp_Gui_Item, &lrecord_gui_item);
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162 Lisp_Object val;
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163
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164 zero_lcrecord (lp);
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165 XSETGUI_ITEM (val, lp);
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166
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167 gui_item_init (val);
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168
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169 return val;
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170 }
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171
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251
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172 /*
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173 * ITEM is a lisp vector, describing a menu item or a button. The
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174 * function extracts the description of the item into the PGUI_ITEM
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175 * structure.
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176 */
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398
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177 static Lisp_Object
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178 make_gui_item_from_keywords_internal (Lisp_Object item,
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179 Error_behavior errb)
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251
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180 {
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384
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181 int length, plist_p, start;
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251
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182 Lisp_Object *contents;
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398
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183 Lisp_Object gui_item = allocate_gui_item ();
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404
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184 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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251
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185
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186 CHECK_VECTOR (item);
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187 length = XVECTOR_LENGTH (item);
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188 contents = XVECTOR_DATA (item);
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189
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384
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190 if (length < 1)
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191 signal_simple_error ("GUI item descriptors must be at least 1 elts long", item);
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251
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192
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384
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193 /* length 1: [ "name" ]
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194 length 2: [ "name" callback ]
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259
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195 length 3: [ "name" callback active-p ]
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384
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196 or [ "name" keyword value ]
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251
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197 length 4: [ "name" callback active-p suffix ]
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198 or [ "name" callback keyword value ]
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199 length 5+: [ "name" callback [ keyword value ]+ ]
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384
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200 or [ "name" [ keyword value ]+ ]
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251
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201 */
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384
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202 plist_p = (length > 2 && (KEYWORDP (contents [1])
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203 || KEYWORDP (contents [2])));
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251
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204
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205 pgui_item->name = contents [0];
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384
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206 if (length > 1 && !KEYWORDP (contents [1]))
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207 {
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208 pgui_item->callback = contents [1];
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209 start = 2;
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210 }
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398
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211 else
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384
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212 start =1;
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251
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213
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259
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214 if (!plist_p && length > 2)
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251
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215 /* the old way */
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216 {
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217 pgui_item->active = contents [2];
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218 if (length == 4)
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219 pgui_item->suffix = contents [3];
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220 }
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221 else
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222 /* the new way */
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223 {
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224 int i;
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384
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225 if ((length - start) & 1)
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251
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226 signal_simple_error (
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227 "GUI item descriptor has an odd number of keywords and values",
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228 item);
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229
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384
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230 for (i = start; i < length;)
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251
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231 {
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232 Lisp_Object key = contents [i++];
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233 Lisp_Object val = contents [i++];
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398
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234 gui_item_add_keyval_pair (gui_item, key, val, errb);
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251
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235 }
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272
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236 }
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398
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237 return gui_item;
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238 }
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239
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240 Lisp_Object
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241 gui_parse_item_keywords (Lisp_Object item)
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242 {
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243 return make_gui_item_from_keywords_internal (item, ERROR_ME);
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244 }
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245
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246 Lisp_Object
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247 gui_parse_item_keywords_no_errors (Lisp_Object item)
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248 {
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249 return make_gui_item_from_keywords_internal (item, ERROR_ME_NOT);
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251
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250 }
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251
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398
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252 /* convert a gui item into plist properties */
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388
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253 void
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398
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254 gui_add_item_keywords_to_plist (Lisp_Object plist, Lisp_Object gui_item)
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388
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255 {
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404
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256 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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388
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257
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398
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258 if (!NILP (pgui_item->callback))
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259 Fplist_put (plist, Q_callback, pgui_item->callback);
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260 if (!NILP (pgui_item->suffix))
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261 Fplist_put (plist, Q_suffix, pgui_item->suffix);
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262 if (!NILP (pgui_item->active))
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263 Fplist_put (plist, Q_active, pgui_item->active);
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264 if (!NILP (pgui_item->included))
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265 Fplist_put (plist, Q_included, pgui_item->included);
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266 if (!NILP (pgui_item->config))
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267 Fplist_put (plist, Q_config, pgui_item->config);
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268 if (!NILP (pgui_item->filter))
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269 Fplist_put (plist, Q_filter, pgui_item->filter);
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270 if (!NILP (pgui_item->style))
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271 Fplist_put (plist, Q_style, pgui_item->style);
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272 if (!NILP (pgui_item->selected))
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273 Fplist_put (plist, Q_selected, pgui_item->selected);
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274 if (!NILP (pgui_item->keys))
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275 Fplist_put (plist, Q_keys, pgui_item->keys);
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276 if (!NILP (pgui_item->accelerator))
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277 Fplist_put (plist, Q_accelerator, pgui_item->accelerator);
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388
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278 }
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279
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251
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280 /*
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281 * Decide whether a GUI item is active by evaluating its :active form
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282 * if any
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283 */
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284 int
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398
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285 gui_item_active_p (Lisp_Object gui_item)
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251
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286 {
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287 /* This function can call lisp */
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272
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288
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251
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289 /* Shortcut to avoid evaluating Qt each time */
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398
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290 return (EQ (XGUI_ITEM (gui_item)->active, Qt)
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291 || !NILP (Feval (XGUI_ITEM (gui_item)->active)));
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292 }
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293
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294 /* set menu accelerator key to first underlined character in menu name */
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295 Lisp_Object
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296 gui_item_accelerator (Lisp_Object gui_item)
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297 {
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404
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298 Lisp_Gui_Item *pgui = XGUI_ITEM (gui_item);
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398
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299
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300 if (!NILP (pgui->accelerator))
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301 return pgui->accelerator;
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302
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303 else
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304 return gui_name_accelerator (pgui->name);
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305 }
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306
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307 Lisp_Object
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308 gui_name_accelerator (Lisp_Object nm)
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309 {
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404
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310 Bufbyte *name = XSTRING_DATA (nm);
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398
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311
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404
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312 while (*name)
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313 {
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314 if (*name == '%')
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398
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315 {
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404
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316 ++name;
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317 if (!(*name))
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318 return Qnil;
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319 if (*name == '_' && *(name + 1))
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320 {
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321 Emchar accelerator = charptr_emchar (name + 1);
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322 /* #### bogus current_buffer dependency */
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323 return make_char (DOWNCASE (current_buffer, accelerator));
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324 }
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398
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325 }
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404
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326 INC_CHARPTR (name);
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398
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327 }
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404
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328 return make_char (DOWNCASE (current_buffer,
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329 charptr_emchar (XSTRING_DATA (nm))));
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251
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330 }
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331
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332 /*
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384
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333 * Decide whether a GUI item is selected by evaluating its :selected form
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334 * if any
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335 */
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336 int
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398
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337 gui_item_selected_p (Lisp_Object gui_item)
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384
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338 {
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339 /* This function can call lisp */
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340
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341 /* Shortcut to avoid evaluating Qt each time */
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398
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342 return (EQ (XGUI_ITEM (gui_item)->selected, Qt)
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343 || !NILP (Feval (XGUI_ITEM (gui_item)->selected)));
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384
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344 }
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345
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346 /*
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251
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347 * Decide whether a GUI item is included by evaluating its :included
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348 * form if given, and testing its :config form against supplied CONFLIST
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349 * configuration variable
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350 */
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351 int
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398
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352 gui_item_included_p (Lisp_Object gui_item, Lisp_Object conflist)
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251
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353 {
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354 /* This function can call lisp */
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404
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355 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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251
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356
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357 /* Evaluate :included first. Shortcut to avoid evaluating Qt each time */
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358 if (!EQ (pgui_item->included, Qt)
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359 && NILP (Feval (pgui_item->included)))
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360 return 0;
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361
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362 /* Do :config if conflist is given */
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363 if (!NILP (conflist) && !NILP (pgui_item->config)
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364 && NILP (Fmemq (pgui_item->config, conflist)))
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365 return 0;
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366
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367 return 1;
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368 }
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369
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370 static DOESNT_RETURN
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371 signal_too_long_error (Lisp_Object name)
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372 {
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272
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373 signal_simple_error ("GUI item produces too long displayable string", name);
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251
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374 }
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375
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384
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376 #ifdef HAVE_WINDOW_SYSTEM
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251
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377 /*
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272
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378 * Format "left flush" display portion of an item into BUF, guarded by
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379 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
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251
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380 * null character, so actual maximum size of buffer consumed is
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381 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
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382 * signaled.
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383 * Return value is the offset to the terminating null character into the
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384 * buffer.
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385 */
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386 unsigned int
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|
404
|
387 gui_item_display_flush_left (Lisp_Object gui_item,
|
|
|
388 char *buf, Bytecount buf_len)
|
|
251
|
389 {
|
|
398
|
390 /* This function can call lisp */
|
|
272
|
391 char *p = buf;
|
|
|
392 Bytecount len;
|
|
404
|
393 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
251
|
394
|
|
|
395 /* Copy item name first */
|
|
|
396 CHECK_STRING (pgui_item->name);
|
|
272
|
397 len = XSTRING_LENGTH (pgui_item->name);
|
|
|
398 if (len > buf_len)
|
|
251
|
399 signal_too_long_error (pgui_item->name);
|
|
272
|
400 memcpy (p, XSTRING_DATA (pgui_item->name), len);
|
|
|
401 p += len;
|
|
251
|
402
|
|
259
|
403 /* Add space and suffix, if there is a suffix.
|
|
272
|
404 * If suffix is not string evaluate it */
|
|
251
|
405 if (!NILP (pgui_item->suffix))
|
|
|
406 {
|
|
272
|
407 Lisp_Object suffix = pgui_item->suffix;
|
|
259
|
408 /* Shortcut to avoid evaluating suffix each time */
|
|
272
|
409 if (!STRINGP (suffix))
|
|
259
|
410 {
|
|
272
|
411 suffix = Feval (suffix);
|
|
|
412 CHECK_STRING (suffix);
|
|
259
|
413 }
|
|
272
|
414
|
|
|
415 len = XSTRING_LENGTH (suffix);
|
|
|
416 if (p + len + 1 > buf + buf_len)
|
|
251
|
417 signal_too_long_error (pgui_item->name);
|
|
272
|
418 *(p++) = ' ';
|
|
|
419 memcpy (p, XSTRING_DATA (suffix), len);
|
|
|
420 p += len;
|
|
251
|
421 }
|
|
272
|
422 *p = '\0';
|
|
|
423 return p - buf;
|
|
251
|
424 }
|
|
|
425
|
|
|
426 /*
|
|
272
|
427 * Format "right flush" display portion of an item into BUF, guarded by
|
|
|
428 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
|
|
251
|
429 * null character, so actual maximum size of buffer consumed is
|
|
|
430 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
|
|
|
431 * signaled.
|
|
|
432 * Return value is the offset to the terminating null character into the
|
|
|
433 * buffer.
|
|
|
434 */
|
|
|
435 unsigned int
|
|
398
|
436 gui_item_display_flush_right (Lisp_Object gui_item,
|
|
404
|
437 char *buf, Bytecount buf_len)
|
|
251
|
438 {
|
|
404
|
439 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
251
|
440 *buf = 0;
|
|
|
441
|
|
398
|
442 #ifdef HAVE_MENUBARS
|
|
251
|
443 /* Have keys? */
|
|
|
444 if (!menubar_show_keybindings)
|
|
|
445 return 0;
|
|
398
|
446 #endif
|
|
251
|
447
|
|
|
448 /* Try :keys first */
|
|
|
449 if (!NILP (pgui_item->keys))
|
|
|
450 {
|
|
|
451 CHECK_STRING (pgui_item->keys);
|
|
404
|
452 if (XSTRING_LENGTH (pgui_item->keys) + 1 > buf_len)
|
|
251
|
453 signal_too_long_error (pgui_item->name);
|
|
404
|
454 memcpy (buf, XSTRING_DATA (pgui_item->keys),
|
|
|
455 XSTRING_LENGTH (pgui_item->keys) + 1);
|
|
251
|
456 return XSTRING_LENGTH (pgui_item->keys);
|
|
|
457 }
|
|
|
458
|
|
|
459 /* See if we can derive keys out of callback symbol */
|
|
|
460 if (SYMBOLP (pgui_item->callback))
|
|
|
461 {
|
|
404
|
462 char buf2[1024]; /* #### */
|
|
272
|
463 Bytecount len;
|
|
251
|
464
|
|
|
465 where_is_to_char (pgui_item->callback, buf2);
|
|
|
466 len = strlen (buf2);
|
|
|
467 if (len > buf_len)
|
|
|
468 signal_too_long_error (pgui_item->name);
|
|
|
469 strcpy (buf, buf2);
|
|
|
470 return len;
|
|
|
471 }
|
|
|
472
|
|
|
473 /* No keys - no right flush display */
|
|
|
474 return 0;
|
|
|
475 }
|
|
384
|
476 #endif /* HAVE_WINDOW_SYSTEM */
|
|
251
|
477
|
|
398
|
478 static Lisp_Object
|
|
|
479 mark_gui_item (Lisp_Object obj)
|
|
384
|
480 {
|
|
398
|
481 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
|
482
|
|
|
483 mark_object (p->name);
|
|
|
484 mark_object (p->callback);
|
|
|
485 mark_object (p->config);
|
|
|
486 mark_object (p->suffix);
|
|
|
487 mark_object (p->active);
|
|
|
488 mark_object (p->included);
|
|
|
489 mark_object (p->config);
|
|
|
490 mark_object (p->filter);
|
|
|
491 mark_object (p->style);
|
|
|
492 mark_object (p->selected);
|
|
|
493 mark_object (p->keys);
|
|
|
494 mark_object (p->accelerator);
|
|
384
|
495
|
|
|
496 return Qnil;
|
|
|
497 }
|
|
|
498
|
|
398
|
499 static unsigned long
|
|
404
|
500 gui_item_hash_internal (Lisp_Object obj, int depth)
|
|
398
|
501 {
|
|
|
502 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
|
503
|
|
|
504 return HASH2 (HASH5 (internal_hash (p->name, depth + 1),
|
|
|
505 internal_hash (p->callback, depth + 1),
|
|
|
506 internal_hash (p->suffix, depth + 1),
|
|
|
507 internal_hash (p->active, depth + 1),
|
|
|
508 internal_hash (p->included, depth + 1)),
|
|
|
509 HASH5 (internal_hash (p->config, depth + 1),
|
|
|
510 internal_hash (p->filter, depth + 1),
|
|
|
511 internal_hash (p->style, depth + 1),
|
|
|
512 internal_hash (p->selected, depth + 1),
|
|
|
513 internal_hash (p->keys, depth + 1)));
|
|
|
514 }
|
|
|
515
|
|
404
|
516 static unsigned long
|
|
|
517 gui_item_hash (Lisp_Object obj, int depth)
|
|
|
518 {
|
|
|
519 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
|
520
|
|
|
521 /* Note that this evaluates the active and selected slots so that
|
|
|
522 the hash changes when the result of these changes. */
|
|
|
523 return HASH2 (HASH5 (internal_hash (p->name, depth + 1),
|
|
|
524 internal_hash (p->callback, depth + 1),
|
|
|
525 internal_hash (p->suffix, depth + 1),
|
|
|
526 gui_item_active_p (obj),
|
|
|
527 internal_hash (p->included, depth + 1)),
|
|
|
528 HASH5 (internal_hash (p->config, depth + 1),
|
|
|
529 internal_hash (p->filter, depth + 1),
|
|
|
530 internal_hash (p->style, depth + 1),
|
|
|
531 gui_item_selected_p (obj),
|
|
|
532 internal_hash (p->keys, depth + 1)));
|
|
|
533 }
|
|
|
534
|
|
384
|
535 int
|
|
398
|
536 gui_item_id_hash (Lisp_Object hashtable, Lisp_Object gitem, int slot)
|
|
384
|
537 {
|
|
404
|
538 int hashid = gui_item_hash_internal (gitem, 0);
|
|
384
|
539 int id = GUI_ITEM_ID_BITS (hashid, slot);
|
|
|
540 while (!NILP (Fgethash (make_int (id),
|
|
|
541 hashtable, Qnil)))
|
|
|
542 {
|
|
|
543 id = GUI_ITEM_ID_BITS (id + 1, slot);
|
|
|
544 }
|
|
|
545 return id;
|
|
|
546 }
|
|
231
|
547
|
|
398
|
548 static int
|
|
|
549 gui_item_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
|
550 {
|
|
|
551 Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
|
|
|
552 Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
|
|
|
553
|
|
|
554 if (!(internal_equal (p1->name, p2->name, depth + 1)
|
|
|
555 &&
|
|
|
556 internal_equal (p1->callback, p2->callback, depth + 1)
|
|
|
557 &&
|
|
|
558 EQ (p1->suffix, p2->suffix)
|
|
|
559 &&
|
|
|
560 EQ (p1->active, p2->active)
|
|
|
561 &&
|
|
|
562 EQ (p1->included, p2->included)
|
|
|
563 &&
|
|
|
564 EQ (p1->config, p2->config)
|
|
|
565 &&
|
|
|
566 EQ (p1->filter, p2->filter)
|
|
|
567 &&
|
|
|
568 EQ (p1->style, p2->style)
|
|
|
569 &&
|
|
|
570 EQ (p1->selected, p2->selected)
|
|
|
571 &&
|
|
|
572 EQ (p1->accelerator, p2->accelerator)
|
|
|
573 &&
|
|
|
574 EQ (p1->keys, p2->keys)))
|
|
|
575 return 0;
|
|
|
576 return 1;
|
|
|
577 }
|
|
|
578
|
|
|
579 static void
|
|
|
580 print_gui_item (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
581 {
|
|
|
582 Lisp_Gui_Item *g = XGUI_ITEM (obj);
|
|
|
583 char buf[20];
|
|
|
584
|
|
|
585 if (print_readably)
|
|
|
586 error ("printing unreadable object #<gui-item 0x%x>", g->header.uid);
|
|
|
587
|
|
|
588 write_c_string ("#<gui-item ", printcharfun);
|
|
|
589 sprintf (buf, "0x%x>", g->header.uid);
|
|
|
590 write_c_string (buf, printcharfun);
|
|
|
591 }
|
|
|
592
|
|
|
593 /* parse a glyph descriptor into a tree of gui items.
|
|
|
594
|
|
|
595 The gui_item slot of an image instance can be a single item or an
|
|
|
596 arbitrarily nested hierarchy of item lists. */
|
|
|
597
|
|
404
|
598 static Lisp_Object
|
|
|
599 parse_gui_item_tree_item (Lisp_Object entry)
|
|
398
|
600 {
|
|
|
601 Lisp_Object ret = entry;
|
|
404
|
602 struct gcpro gcpro1;
|
|
|
603
|
|
|
604 GCPRO1 (ret);
|
|
|
605
|
|
398
|
606 if (VECTORP (entry))
|
|
|
607 {
|
|
404
|
608 ret = gui_parse_item_keywords_no_errors (entry);
|
|
398
|
609 }
|
|
|
610 else if (STRINGP (entry))
|
|
|
611 {
|
|
|
612 CHECK_STRING (entry);
|
|
|
613 }
|
|
|
614 else
|
|
|
615 signal_simple_error ("item must be a vector or a string", entry);
|
|
|
616
|
|
404
|
617 RETURN_UNGCPRO (ret);
|
|
398
|
618 }
|
|
|
619
|
|
404
|
620 Lisp_Object
|
|
|
621 parse_gui_item_tree_children (Lisp_Object list)
|
|
398
|
622 {
|
|
404
|
623 Lisp_Object rest, ret = Qnil, sub = Qnil;
|
|
|
624 struct gcpro gcpro1, gcpro2;
|
|
|
625
|
|
|
626 GCPRO2 (ret, sub);
|
|
398
|
627 CHECK_CONS (list);
|
|
|
628 /* recursively add items to the tree view */
|
|
|
629 LIST_LOOP (rest, list)
|
|
|
630 {
|
|
|
631 if (CONSP (XCAR (rest)))
|
|
|
632 sub = parse_gui_item_tree_list (XCAR (rest));
|
|
|
633 else
|
|
|
634 sub = parse_gui_item_tree_item (XCAR (rest));
|
|
|
635
|
|
|
636 ret = Fcons (sub, ret);
|
|
|
637 }
|
|
|
638 /* make the order the same as the items we have parsed */
|
|
404
|
639 RETURN_UNGCPRO (Fnreverse (ret));
|
|
398
|
640 }
|
|
|
641
|
|
404
|
642 static Lisp_Object
|
|
|
643 parse_gui_item_tree_list (Lisp_Object list)
|
|
398
|
644 {
|
|
|
645 Lisp_Object ret;
|
|
404
|
646 struct gcpro gcpro1;
|
|
398
|
647 CHECK_CONS (list);
|
|
|
648 /* first one can never be a list */
|
|
|
649 ret = parse_gui_item_tree_item (XCAR (list));
|
|
404
|
650 GCPRO1 (ret);
|
|
|
651 ret = Fcons (ret, parse_gui_item_tree_children (XCDR (list)));
|
|
|
652 RETURN_UNGCPRO (ret);
|
|
|
653 }
|
|
|
654
|
|
|
655 static void
|
|
|
656 finalize_gui_item (void* header, int for_disksave)
|
|
|
657 {
|
|
398
|
658 }
|
|
|
659
|
|
|
660 DEFINE_LRECORD_IMPLEMENTATION ("gui-item", gui_item,
|
|
|
661 mark_gui_item, print_gui_item,
|
|
404
|
662 finalize_gui_item, gui_item_equal,
|
|
398
|
663 gui_item_hash,
|
|
|
664 0,
|
|
|
665 Lisp_Gui_Item);
|
|
|
666
|
|
0
|
667 void
|
|
|
668 syms_of_gui (void)
|
|
|
669 {
|
|
400
|
670 INIT_LRECORD_IMPLEMENTATION (gui_item);
|
|
|
671
|
|
0
|
672 defkeyword (&Q_active, ":active");
|
|
|
673 defkeyword (&Q_suffix, ":suffix");
|
|
|
674 defkeyword (&Q_keys, ":keys");
|
|
377
|
675 defkeyword (&Q_key_sequence,":key-sequence");
|
|
0
|
676 defkeyword (&Q_style, ":style");
|
|
|
677 defkeyword (&Q_selected, ":selected");
|
|
|
678 defkeyword (&Q_filter, ":filter");
|
|
|
679 defkeyword (&Q_config, ":config");
|
|
|
680 defkeyword (&Q_included, ":included");
|
|
175
|
681 defkeyword (&Q_accelerator, ":accelerator");
|
|
377
|
682 defkeyword (&Q_label, ":label");
|
|
388
|
683 defkeyword (&Q_callback, ":callback");
|
|
0
|
684
|
|
|
685 defsymbol (&Qtoggle, "toggle");
|
|
|
686 defsymbol (&Qradio, "radio");
|
|
231
|
687
|
|
|
688 #ifdef HAVE_POPUPS
|
|
|
689 DEFSUBR (Fpopup_up_p);
|
|
|
690 #endif
|
|
0
|
691 }
|
|
|
692
|
|
|
693 void
|
|
|
694 vars_of_gui (void)
|
|
|
695 {
|
|
|
696 }
|
