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428
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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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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 not quite Mule-ized yet but will be when merged with my
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27 Mule workspace. --ben */
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28
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428
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29 #include <config.h>
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30 #include "lisp.h"
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31 #include "gui.h"
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32 #include "elhash.h"
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442
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33 #include "buffer.h"
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428
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34 #include "bytecode.h"
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35
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442
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36 Lisp_Object Qmenu_no_selection_hook;
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37 Lisp_Object Vmenu_no_selection_hook;
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428
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38
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39 static Lisp_Object parse_gui_item_tree_list (Lisp_Object list);
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40
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41 #ifdef HAVE_POPUPS
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42
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43 /* count of menus/dboxes currently up */
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44 int popup_up_p;
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45
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46 DEFUN ("popup-up-p", Fpopup_up_p, 0, 0, 0, /*
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47 Return t if a popup menu or dialog box is up, nil otherwise.
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48 See `popup-menu' and `popup-dialog-box'.
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49 */
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50 ())
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51 {
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52 return popup_up_p ? Qt : Qnil;
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53 }
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54 #endif /* HAVE_POPUPS */
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55
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56 int
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442
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57 separator_string_p (const Bufbyte *s)
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428
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58 {
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442
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59 const Bufbyte *p;
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60 Bufbyte first;
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428
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61
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62 if (!s || s[0] == '\0')
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63 return 0;
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64 first = s[0];
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65 if (first != '-' && first != '=')
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66 return 0;
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67 for (p = s; *p == first; p++)
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68 ;
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69
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70 return (*p == '!' || *p == ':' || *p == '\0');
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71 }
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72
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73 /* Massage DATA to find the correct function and argument. Used by
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74 popup_selection_callback() and the msw code. */
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75 void
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76 get_gui_callback (Lisp_Object data, Lisp_Object *fn, Lisp_Object *arg)
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77 {
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442
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78 if (EQ (data, Qquit))
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79 {
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80 *fn = Qeval;
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81 *arg = list3 (Qsignal, list2 (Qquote, Qquit), Qnil);
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82 Vquit_flag = Qt;
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83 }
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84 else if (SYMBOLP (data)
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85 || (COMPILED_FUNCTIONP (data)
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86 && XCOMPILED_FUNCTION (data)->flags.interactivep)
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87 || (CONSP (data) && (EQ (XCAR (data), Qlambda))
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88 && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
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428
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89 {
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90 *fn = Qcall_interactively;
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91 *arg = data;
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92 }
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93 else if (CONSP (data))
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94 {
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95 *fn = Qeval;
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96 *arg = data;
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97 }
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98 else
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99 {
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100 *fn = Qeval;
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101 *arg = list3 (Qsignal,
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102 list2 (Qquote, Qerror),
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103 list2 (Qquote, list2 (build_translated_string
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104 ("illegal callback"),
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105 data)));
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106 }
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107 }
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108
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109 /*
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110 * Add a value VAL associated with keyword KEY into PGUI_ITEM
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111 * structure. If KEY is not a keyword, or is an unknown keyword, then
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112 * error is signaled.
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113 */
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114 void
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115 gui_item_add_keyval_pair (Lisp_Object gui_item,
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440
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116 Lisp_Object key, Lisp_Object val,
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428
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117 Error_behavior errb)
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118 {
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442
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119 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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428
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120
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121 if (!KEYWORDP (key))
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442
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122 syntax_error_2 ("Non-keyword in gui item", key, pgui_item->name);
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428
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123
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124 if (EQ (key, Q_suffix)) pgui_item->suffix = val;
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125 else if (EQ (key, Q_active)) pgui_item->active = val;
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126 else if (EQ (key, Q_included)) pgui_item->included = val;
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127 else if (EQ (key, Q_config)) pgui_item->config = val;
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128 else if (EQ (key, Q_filter)) pgui_item->filter = val;
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129 else if (EQ (key, Q_style)) pgui_item->style = val;
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130 else if (EQ (key, Q_selected)) pgui_item->selected = val;
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131 else if (EQ (key, Q_keys)) pgui_item->keys = val;
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442
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132 else if (EQ (key, Q_callback)) pgui_item->callback = val;
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133 else if (EQ (key, Q_callback_ex)) pgui_item->callback_ex = val;
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134 else if (EQ (key, Q_value)) pgui_item->value = val;
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440
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135 else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compatibility */
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428
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136 else if (EQ (key, Q_label)) ; /* ignored for 21.0 implement in 21.2 */
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137 else if (EQ (key, Q_accelerator))
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138 {
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139 if (SYMBOLP (val) || CHARP (val))
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140 pgui_item->accelerator = val;
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141 else if (ERRB_EQ (errb, ERROR_ME))
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442
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142 syntax_error ("Bad keyboard accelerator", val);
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428
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143 }
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144 else if (ERRB_EQ (errb, ERROR_ME))
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442
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145 syntax_error_2 ("Unknown keyword in gui item", key,
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146 pgui_item->name);
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428
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147 }
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148
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149 void
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150 gui_item_init (Lisp_Object gui_item)
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151 {
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440
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152 Lisp_Gui_Item *lp = XGUI_ITEM (gui_item);
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428
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153
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154 lp->name = Qnil;
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155 lp->callback = Qnil;
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442
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156 lp->callback_ex = Qnil;
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428
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157 lp->suffix = Qnil;
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158 lp->active = Qt;
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159 lp->included = Qt;
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160 lp->config = Qnil;
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161 lp->filter = Qnil;
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162 lp->style = Qnil;
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163 lp->selected = Qnil;
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164 lp->keys = Qnil;
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165 lp->accelerator = Qnil;
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442
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166 lp->value = Qnil;
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428
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167 }
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168
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169 Lisp_Object
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170 allocate_gui_item (void)
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171 {
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440
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172 Lisp_Gui_Item *lp = alloc_lcrecord_type (Lisp_Gui_Item, &lrecord_gui_item);
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428
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173 Lisp_Object val;
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174
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175 zero_lcrecord (lp);
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176 XSETGUI_ITEM (val, lp);
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177
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178 gui_item_init (val);
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179
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180 return val;
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181 }
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182
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183 /*
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184 * ITEM is a lisp vector, describing a menu item or a button. The
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185 * function extracts the description of the item into the PGUI_ITEM
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186 * structure.
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187 */
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188 static Lisp_Object
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189 make_gui_item_from_keywords_internal (Lisp_Object item,
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190 Error_behavior errb)
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191 {
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192 int length, plist_p, start;
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193 Lisp_Object *contents;
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194 Lisp_Object gui_item = allocate_gui_item ();
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442
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195 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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428
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196
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197 CHECK_VECTOR (item);
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198 length = XVECTOR_LENGTH (item);
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199 contents = XVECTOR_DATA (item);
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200
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201 if (length < 1)
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442
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202 syntax_error ("GUI item descriptors must be at least 1 elts long", item);
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428
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203
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204 /* length 1: [ "name" ]
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205 length 2: [ "name" callback ]
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206 length 3: [ "name" callback active-p ]
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207 or [ "name" keyword value ]
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208 length 4: [ "name" callback active-p suffix ]
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209 or [ "name" callback keyword value ]
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210 length 5+: [ "name" callback [ keyword value ]+ ]
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211 or [ "name" [ keyword value ]+ ]
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212 */
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213 plist_p = (length > 2 && (KEYWORDP (contents [1])
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214 || KEYWORDP (contents [2])));
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215
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216 pgui_item->name = contents [0];
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217 if (length > 1 && !KEYWORDP (contents [1]))
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218 {
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219 pgui_item->callback = contents [1];
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220 start = 2;
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221 }
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440
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222 else
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428
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223 start =1;
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224
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225 if (!plist_p && length > 2)
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226 /* the old way */
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227 {
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228 pgui_item->active = contents [2];
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229 if (length == 4)
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230 pgui_item->suffix = contents [3];
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231 }
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232 else
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233 /* the new way */
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234 {
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235 int i;
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236 if ((length - start) & 1)
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442
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237 syntax_error (
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428
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238 "GUI item descriptor has an odd number of keywords and values",
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239 item);
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240
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241 for (i = start; i < length;)
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242 {
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243 Lisp_Object key = contents [i++];
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244 Lisp_Object val = contents [i++];
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245 gui_item_add_keyval_pair (gui_item, key, val, errb);
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246 }
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247 }
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248 return gui_item;
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249 }
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250
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251 Lisp_Object
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252 gui_parse_item_keywords (Lisp_Object item)
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253 {
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254 return make_gui_item_from_keywords_internal (item, ERROR_ME);
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255 }
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256
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257 Lisp_Object
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258 gui_parse_item_keywords_no_errors (Lisp_Object item)
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259 {
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260 return make_gui_item_from_keywords_internal (item, ERROR_ME_NOT);
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261 }
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262
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263 /* convert a gui item into plist properties */
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264 void
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265 gui_add_item_keywords_to_plist (Lisp_Object plist, Lisp_Object gui_item)
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266 {
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442
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267 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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440
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268
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428
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269 if (!NILP (pgui_item->callback))
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270 Fplist_put (plist, Q_callback, pgui_item->callback);
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442
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271 if (!NILP (pgui_item->callback_ex))
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272 Fplist_put (plist, Q_callback_ex, pgui_item->callback_ex);
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428
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273 if (!NILP (pgui_item->suffix))
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274 Fplist_put (plist, Q_suffix, pgui_item->suffix);
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275 if (!NILP (pgui_item->active))
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276 Fplist_put (plist, Q_active, pgui_item->active);
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277 if (!NILP (pgui_item->included))
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278 Fplist_put (plist, Q_included, pgui_item->included);
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279 if (!NILP (pgui_item->config))
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280 Fplist_put (plist, Q_config, pgui_item->config);
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281 if (!NILP (pgui_item->filter))
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282 Fplist_put (plist, Q_filter, pgui_item->filter);
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283 if (!NILP (pgui_item->style))
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284 Fplist_put (plist, Q_style, pgui_item->style);
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285 if (!NILP (pgui_item->selected))
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286 Fplist_put (plist, Q_selected, pgui_item->selected);
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287 if (!NILP (pgui_item->keys))
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288 Fplist_put (plist, Q_keys, pgui_item->keys);
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289 if (!NILP (pgui_item->accelerator))
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290 Fplist_put (plist, Q_accelerator, pgui_item->accelerator);
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442
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291 if (!NILP (pgui_item->value))
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292 Fplist_put (plist, Q_value, pgui_item->value);
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428
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293 }
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294
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295 /*
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296 * Decide whether a GUI item is active by evaluating its :active form
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297 * if any
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298 */
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299 int
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300 gui_item_active_p (Lisp_Object gui_item)
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301 {
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302 /* This function can call lisp */
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303
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304 /* Shortcut to avoid evaluating Qt each time */
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305 return (EQ (XGUI_ITEM (gui_item)->active, Qt)
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306 || !NILP (Feval (XGUI_ITEM (gui_item)->active)));
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307 }
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308
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309 /* set menu accelerator key to first underlined character in menu name */
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310 Lisp_Object
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311 gui_item_accelerator (Lisp_Object gui_item)
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312 {
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442
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313 Lisp_Gui_Item *pgui = XGUI_ITEM (gui_item);
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440
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314
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428
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315 if (!NILP (pgui->accelerator))
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316 return pgui->accelerator;
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317
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318 else
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442
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319 return gui_name_accelerator (pgui->name);
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428
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320 }
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321
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322 Lisp_Object
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323 gui_name_accelerator (Lisp_Object nm)
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|
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324 {
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442
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325 Bufbyte *name = XSTRING_DATA (nm);
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|
428
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326
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442
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327 while (*name)
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|
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328 {
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|
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329 if (*name == '%')
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|
428
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330 {
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|
442
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331 ++name;
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332 if (!(*name))
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333 return Qnil;
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334 if (*name == '_' && *(name + 1))
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|
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335 {
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|
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336 Emchar accelerator = charptr_emchar (name + 1);
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|
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337 /* #### bogus current_buffer dependency */
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338 return make_char (DOWNCASE (current_buffer, accelerator));
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|
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339 }
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|
428
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340 }
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|
442
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341 INC_CHARPTR (name);
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|
428
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342 }
|
|
442
|
343 return make_char (DOWNCASE (current_buffer,
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|
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344 charptr_emchar (XSTRING_DATA (nm))));
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|
428
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345 }
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|
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346
|
|
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347 /*
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|
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348 * Decide whether a GUI item is selected by evaluating its :selected form
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|
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349 * if any
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350 */
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351 int
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|
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352 gui_item_selected_p (Lisp_Object gui_item)
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|
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353 {
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|
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354 /* This function can call lisp */
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355
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|
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356 /* Shortcut to avoid evaluating Qt each time */
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357 return (EQ (XGUI_ITEM (gui_item)->selected, Qt)
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358 || !NILP (Feval (XGUI_ITEM (gui_item)->selected)));
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|
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359 }
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|
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360
|
|
442
|
361 Lisp_Object
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|
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362 gui_item_list_find_selected (Lisp_Object gui_item_list)
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|
|
363 {
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|
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364 /* This function can GC. */
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|
|
365 Lisp_Object rest;
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|
|
366 LIST_LOOP (rest, gui_item_list)
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|
|
367 {
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|
|
368 if (gui_item_selected_p (XCAR (rest)))
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369 return XCAR (rest);
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370 }
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371 return XCAR (gui_item_list);
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|
|
372 }
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|
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373
|
|
428
|
374 /*
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|
|
375 * Decide whether a GUI item is included by evaluating its :included
|
|
|
376 * form if given, and testing its :config form against supplied CONFLIST
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|
|
377 * configuration variable
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|
|
378 */
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|
|
379 int
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|
|
380 gui_item_included_p (Lisp_Object gui_item, Lisp_Object conflist)
|
|
|
381 {
|
|
|
382 /* This function can call lisp */
|
|
442
|
383 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
384
|
|
|
385 /* Evaluate :included first. Shortcut to avoid evaluating Qt each time */
|
|
|
386 if (!EQ (pgui_item->included, Qt)
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|
|
387 && NILP (Feval (pgui_item->included)))
|
|
|
388 return 0;
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|
|
389
|
|
|
390 /* Do :config if conflist is given */
|
|
|
391 if (!NILP (conflist) && !NILP (pgui_item->config)
|
|
|
392 && NILP (Fmemq (pgui_item->config, conflist)))
|
|
|
393 return 0;
|
|
|
394
|
|
|
395 return 1;
|
|
|
396 }
|
|
|
397
|
|
|
398 static DOESNT_RETURN
|
|
|
399 signal_too_long_error (Lisp_Object name)
|
|
|
400 {
|
|
442
|
401 syntax_error ("GUI item produces too long displayable string", name);
|
|
428
|
402 }
|
|
|
403
|
|
|
404 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
405 /*
|
|
|
406 * Format "left flush" display portion of an item into BUF, guarded by
|
|
|
407 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
|
|
|
408 * null character, so actual maximum size of buffer consumed is
|
|
|
409 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
|
|
|
410 * signaled.
|
|
|
411 * Return value is the offset to the terminating null character into the
|
|
|
412 * buffer.
|
|
|
413 */
|
|
|
414 unsigned int
|
|
442
|
415 gui_item_display_flush_left (Lisp_Object gui_item,
|
|
|
416 char *buf, Bytecount buf_len)
|
|
428
|
417 {
|
|
|
418 /* This function can call lisp */
|
|
|
419 char *p = buf;
|
|
|
420 Bytecount len;
|
|
442
|
421 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
422
|
|
|
423 /* Copy item name first */
|
|
|
424 CHECK_STRING (pgui_item->name);
|
|
|
425 len = XSTRING_LENGTH (pgui_item->name);
|
|
|
426 if (len > buf_len)
|
|
|
427 signal_too_long_error (pgui_item->name);
|
|
|
428 memcpy (p, XSTRING_DATA (pgui_item->name), len);
|
|
|
429 p += len;
|
|
|
430
|
|
|
431 /* Add space and suffix, if there is a suffix.
|
|
|
432 * If suffix is not string evaluate it */
|
|
|
433 if (!NILP (pgui_item->suffix))
|
|
|
434 {
|
|
|
435 Lisp_Object suffix = pgui_item->suffix;
|
|
|
436 /* Shortcut to avoid evaluating suffix each time */
|
|
|
437 if (!STRINGP (suffix))
|
|
|
438 {
|
|
|
439 suffix = Feval (suffix);
|
|
|
440 CHECK_STRING (suffix);
|
|
|
441 }
|
|
|
442
|
|
|
443 len = XSTRING_LENGTH (suffix);
|
|
|
444 if (p + len + 1 > buf + buf_len)
|
|
|
445 signal_too_long_error (pgui_item->name);
|
|
|
446 *(p++) = ' ';
|
|
|
447 memcpy (p, XSTRING_DATA (suffix), len);
|
|
|
448 p += len;
|
|
|
449 }
|
|
|
450 *p = '\0';
|
|
|
451 return p - buf;
|
|
|
452 }
|
|
|
453
|
|
|
454 /*
|
|
|
455 * Format "right flush" display portion of an item into BUF, guarded by
|
|
|
456 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
|
|
|
457 * null character, so actual maximum size of buffer consumed is
|
|
|
458 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
|
|
|
459 * signaled.
|
|
|
460 * Return value is the offset to the terminating null character into the
|
|
|
461 * buffer.
|
|
|
462 */
|
|
|
463 unsigned int
|
|
|
464 gui_item_display_flush_right (Lisp_Object gui_item,
|
|
442
|
465 char *buf, Bytecount buf_len)
|
|
428
|
466 {
|
|
442
|
467 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
468 *buf = 0;
|
|
|
469
|
|
|
470 #ifdef HAVE_MENUBARS
|
|
|
471 /* Have keys? */
|
|
|
472 if (!menubar_show_keybindings)
|
|
|
473 return 0;
|
|
|
474 #endif
|
|
|
475
|
|
|
476 /* Try :keys first */
|
|
|
477 if (!NILP (pgui_item->keys))
|
|
|
478 {
|
|
|
479 CHECK_STRING (pgui_item->keys);
|
|
442
|
480 if (XSTRING_LENGTH (pgui_item->keys) + 1 > buf_len)
|
|
428
|
481 signal_too_long_error (pgui_item->name);
|
|
442
|
482 memcpy (buf, XSTRING_DATA (pgui_item->keys),
|
|
|
483 XSTRING_LENGTH (pgui_item->keys) + 1);
|
|
428
|
484 return XSTRING_LENGTH (pgui_item->keys);
|
|
|
485 }
|
|
|
486
|
|
|
487 /* See if we can derive keys out of callback symbol */
|
|
|
488 if (SYMBOLP (pgui_item->callback))
|
|
|
489 {
|
|
442
|
490 char buf2[1024]; /* #### */
|
|
428
|
491 Bytecount len;
|
|
|
492
|
|
|
493 where_is_to_char (pgui_item->callback, buf2);
|
|
|
494 len = strlen (buf2);
|
|
|
495 if (len > buf_len)
|
|
|
496 signal_too_long_error (pgui_item->name);
|
|
|
497 strcpy (buf, buf2);
|
|
|
498 return len;
|
|
|
499 }
|
|
|
500
|
|
|
501 /* No keys - no right flush display */
|
|
|
502 return 0;
|
|
|
503 }
|
|
|
504 #endif /* HAVE_WINDOW_SYSTEM */
|
|
|
505
|
|
|
506 static Lisp_Object
|
|
|
507 mark_gui_item (Lisp_Object obj)
|
|
|
508 {
|
|
440
|
509 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
428
|
510
|
|
|
511 mark_object (p->name);
|
|
|
512 mark_object (p->callback);
|
|
442
|
513 mark_object (p->callback_ex);
|
|
428
|
514 mark_object (p->config);
|
|
|
515 mark_object (p->suffix);
|
|
|
516 mark_object (p->active);
|
|
|
517 mark_object (p->included);
|
|
|
518 mark_object (p->config);
|
|
|
519 mark_object (p->filter);
|
|
|
520 mark_object (p->style);
|
|
|
521 mark_object (p->selected);
|
|
|
522 mark_object (p->keys);
|
|
|
523 mark_object (p->accelerator);
|
|
442
|
524 mark_object (p->value);
|
|
428
|
525
|
|
|
526 return Qnil;
|
|
|
527 }
|
|
|
528
|
|
|
529 static unsigned long
|
|
|
530 gui_item_hash (Lisp_Object obj, int depth)
|
|
|
531 {
|
|
440
|
532 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
428
|
533
|
|
442
|
534 return HASH2 (HASH6 (internal_hash (p->name, depth + 1),
|
|
428
|
535 internal_hash (p->callback, depth + 1),
|
|
442
|
536 internal_hash (p->callback_ex, depth + 1),
|
|
428
|
537 internal_hash (p->suffix, depth + 1),
|
|
|
538 internal_hash (p->active, depth + 1),
|
|
|
539 internal_hash (p->included, depth + 1)),
|
|
442
|
540 HASH6 (internal_hash (p->config, depth + 1),
|
|
428
|
541 internal_hash (p->filter, depth + 1),
|
|
|
542 internal_hash (p->style, depth + 1),
|
|
|
543 internal_hash (p->selected, depth + 1),
|
|
442
|
544 internal_hash (p->keys, depth + 1),
|
|
|
545 internal_hash (p->value, depth + 1)));
|
|
428
|
546 }
|
|
|
547
|
|
|
548 int
|
|
|
549 gui_item_id_hash (Lisp_Object hashtable, Lisp_Object gitem, int slot)
|
|
|
550 {
|
|
|
551 int hashid = gui_item_hash (gitem, 0);
|
|
|
552 int id = GUI_ITEM_ID_BITS (hashid, slot);
|
|
|
553 while (!NILP (Fgethash (make_int (id),
|
|
|
554 hashtable, Qnil)))
|
|
|
555 {
|
|
|
556 id = GUI_ITEM_ID_BITS (id + 1, slot);
|
|
|
557 }
|
|
|
558 return id;
|
|
|
559 }
|
|
|
560
|
|
442
|
561 int
|
|
|
562 gui_item_equal_sans_selected (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
428
|
563 {
|
|
440
|
564 Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
|
|
|
565 Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
|
|
428
|
566
|
|
|
567 if (!(internal_equal (p1->name, p2->name, depth + 1)
|
|
|
568 &&
|
|
|
569 internal_equal (p1->callback, p2->callback, depth + 1)
|
|
|
570 &&
|
|
442
|
571 internal_equal (p1->callback_ex, p2->callback_ex, depth + 1)
|
|
|
572 &&
|
|
428
|
573 EQ (p1->suffix, p2->suffix)
|
|
|
574 &&
|
|
|
575 EQ (p1->active, p2->active)
|
|
|
576 &&
|
|
|
577 EQ (p1->included, p2->included)
|
|
|
578 &&
|
|
|
579 EQ (p1->config, p2->config)
|
|
|
580 &&
|
|
|
581 EQ (p1->filter, p2->filter)
|
|
|
582 &&
|
|
|
583 EQ (p1->style, p2->style)
|
|
|
584 &&
|
|
|
585 EQ (p1->accelerator, p2->accelerator)
|
|
|
586 &&
|
|
442
|
587 EQ (p1->keys, p2->keys)
|
|
|
588 &&
|
|
|
589 EQ (p1->value, p2->value)))
|
|
|
590 return 0;
|
|
|
591 return 1;
|
|
|
592 }
|
|
|
593
|
|
|
594 static int
|
|
|
595 gui_item_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
|
596 {
|
|
|
597 Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
|
|
|
598 Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
|
|
|
599
|
|
|
600 if (!(gui_item_equal_sans_selected (obj1, obj2, depth)
|
|
|
601 &&
|
|
|
602 EQ (p1->selected, p2->selected)))
|
|
428
|
603 return 0;
|
|
|
604 return 1;
|
|
|
605 }
|
|
|
606
|
|
|
607 static void
|
|
|
608 print_gui_item (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
609 {
|
|
440
|
610 Lisp_Gui_Item *g = XGUI_ITEM (obj);
|
|
428
|
611 char buf[20];
|
|
|
612
|
|
|
613 if (print_readably)
|
|
|
614 error ("printing unreadable object #<gui-item 0x%x>", g->header.uid);
|
|
|
615
|
|
|
616 write_c_string ("#<gui-item ", printcharfun);
|
|
|
617 sprintf (buf, "0x%x>", g->header.uid);
|
|
|
618 write_c_string (buf, printcharfun);
|
|
|
619 }
|
|
|
620
|
|
442
|
621 static Lisp_Object
|
|
|
622 copy_gui_item (Lisp_Object gui_item)
|
|
|
623 {
|
|
|
624 Lisp_Object ret = allocate_gui_item ();
|
|
|
625 Lisp_Gui_Item *lp, *g = XGUI_ITEM (gui_item);
|
|
|
626
|
|
|
627 lp = XGUI_ITEM (ret);
|
|
|
628 lp->name = g->name;
|
|
|
629 lp->callback = g->callback;
|
|
|
630 lp->callback_ex = g->callback_ex;
|
|
|
631 lp->suffix = g->suffix;
|
|
|
632 lp->active = g->active;
|
|
|
633 lp->included = g->included;
|
|
|
634 lp->config = g->config;
|
|
|
635 lp->filter = g->filter;
|
|
|
636 lp->style = g->style;
|
|
|
637 lp->selected = g->selected;
|
|
|
638 lp->keys = g->keys;
|
|
|
639 lp->accelerator = g->accelerator;
|
|
|
640 lp->value = g->value;
|
|
|
641
|
|
|
642 return ret;
|
|
|
643 }
|
|
|
644
|
|
|
645 Lisp_Object
|
|
|
646 copy_gui_item_tree (Lisp_Object arg)
|
|
|
647 {
|
|
|
648 if (CONSP (arg))
|
|
|
649 {
|
|
|
650 Lisp_Object rest = arg = Fcopy_sequence (arg);
|
|
|
651 while (CONSP (rest))
|
|
|
652 {
|
|
|
653 XCAR (rest) = copy_gui_item_tree (XCAR (rest));
|
|
|
654 rest = XCDR (rest);
|
|
|
655 }
|
|
|
656 return arg;
|
|
|
657 }
|
|
|
658 else if (GUI_ITEMP (arg))
|
|
|
659 return copy_gui_item (arg);
|
|
|
660 else
|
|
|
661 return arg;
|
|
|
662 }
|
|
|
663
|
|
428
|
664 /* parse a glyph descriptor into a tree of gui items.
|
|
|
665
|
|
|
666 The gui_item slot of an image instance can be a single item or an
|
|
|
667 arbitrarily nested hierarchy of item lists. */
|
|
|
668
|
|
442
|
669 static Lisp_Object
|
|
|
670 parse_gui_item_tree_item (Lisp_Object entry)
|
|
428
|
671 {
|
|
|
672 Lisp_Object ret = entry;
|
|
442
|
673 struct gcpro gcpro1;
|
|
|
674
|
|
|
675 GCPRO1 (ret);
|
|
|
676
|
|
428
|
677 if (VECTORP (entry))
|
|
|
678 {
|
|
442
|
679 ret = gui_parse_item_keywords_no_errors (entry);
|
|
428
|
680 }
|
|
|
681 else if (STRINGP (entry))
|
|
|
682 {
|
|
|
683 CHECK_STRING (entry);
|
|
|
684 }
|
|
|
685 else
|
|
442
|
686 syntax_error ("item must be a vector or a string", entry);
|
|
428
|
687
|
|
442
|
688 RETURN_UNGCPRO (ret);
|
|
428
|
689 }
|
|
|
690
|
|
442
|
691 Lisp_Object
|
|
|
692 parse_gui_item_tree_children (Lisp_Object list)
|
|
428
|
693 {
|
|
442
|
694 Lisp_Object rest, ret = Qnil, sub = Qnil;
|
|
|
695 struct gcpro gcpro1, gcpro2;
|
|
|
696
|
|
|
697 GCPRO2 (ret, sub);
|
|
428
|
698 CHECK_CONS (list);
|
|
|
699 /* recursively add items to the tree view */
|
|
|
700 LIST_LOOP (rest, list)
|
|
|
701 {
|
|
|
702 if (CONSP (XCAR (rest)))
|
|
|
703 sub = parse_gui_item_tree_list (XCAR (rest));
|
|
|
704 else
|
|
|
705 sub = parse_gui_item_tree_item (XCAR (rest));
|
|
440
|
706
|
|
428
|
707 ret = Fcons (sub, ret);
|
|
|
708 }
|
|
|
709 /* make the order the same as the items we have parsed */
|
|
442
|
710 RETURN_UNGCPRO (Fnreverse (ret));
|
|
428
|
711 }
|
|
|
712
|
|
442
|
713 static Lisp_Object
|
|
|
714 parse_gui_item_tree_list (Lisp_Object list)
|
|
428
|
715 {
|
|
|
716 Lisp_Object ret;
|
|
442
|
717 struct gcpro gcpro1;
|
|
428
|
718 CHECK_CONS (list);
|
|
|
719 /* first one can never be a list */
|
|
|
720 ret = parse_gui_item_tree_item (XCAR (list));
|
|
442
|
721 GCPRO1 (ret);
|
|
|
722 ret = Fcons (ret, parse_gui_item_tree_children (XCDR (list)));
|
|
|
723 RETURN_UNGCPRO (ret);
|
|
|
724 }
|
|
|
725
|
|
|
726 static void
|
|
|
727 finalize_gui_item (void* header, int for_disksave)
|
|
|
728 {
|
|
428
|
729 }
|
|
|
730
|
|
|
731 DEFINE_LRECORD_IMPLEMENTATION ("gui-item", gui_item,
|
|
|
732 mark_gui_item, print_gui_item,
|
|
442
|
733 finalize_gui_item, gui_item_equal,
|
|
428
|
734 gui_item_hash,
|
|
|
735 0,
|
|
440
|
736 Lisp_Gui_Item);
|
|
428
|
737
|
|
|
738 void
|
|
|
739 syms_of_gui (void)
|
|
|
740 {
|
|
442
|
741 INIT_LRECORD_IMPLEMENTATION (gui_item);
|
|
428
|
742
|
|
442
|
743 DEFSYMBOL (Qmenu_no_selection_hook);
|
|
428
|
744
|
|
|
745 #ifdef HAVE_POPUPS
|
|
|
746 DEFSUBR (Fpopup_up_p);
|
|
|
747 #endif
|
|
|
748 }
|
|
|
749
|
|
|
750 void
|
|
|
751 vars_of_gui (void)
|
|
|
752 {
|
|
442
|
753 DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
|
|
|
754 Function or functions to call when a menu or dialog box is dismissed
|
|
|
755 without a selection having been made.
|
|
|
756 */ );
|
|
|
757 Vmenu_no_selection_hook = Qnil;
|
|
428
|
758 }
|
