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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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454
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40 Lisp_Object find_keyword_in_vector (Lisp_Object vector, Lisp_Object keyword);
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428
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41
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42 #ifdef HAVE_POPUPS
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43
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44 /* count of menus/dboxes currently up */
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45 int popup_up_p;
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46
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47 DEFUN ("popup-up-p", Fpopup_up_p, 0, 0, 0, /*
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48 Return t if a popup menu or dialog box is up, nil otherwise.
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49 See `popup-menu' and `popup-dialog-box'.
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50 */
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51 ())
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52 {
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53 return popup_up_p ? Qt : Qnil;
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54 }
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55 #endif /* HAVE_POPUPS */
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56
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57 int
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442
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58 separator_string_p (const Bufbyte *s)
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428
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59 {
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442
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60 const Bufbyte *p;
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61 Bufbyte first;
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428
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62
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63 if (!s || s[0] == '\0')
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64 return 0;
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65 first = s[0];
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66 if (first != '-' && first != '=')
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67 return 0;
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68 for (p = s; *p == first; p++)
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69 ;
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70
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71 return (*p == '!' || *p == ':' || *p == '\0');
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72 }
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73
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74 /* Massage DATA to find the correct function and argument. Used by
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75 popup_selection_callback() and the msw code. */
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76 void
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77 get_gui_callback (Lisp_Object data, Lisp_Object *fn, Lisp_Object *arg)
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78 {
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442
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79 if (EQ (data, Qquit))
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80 {
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81 *fn = Qeval;
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82 *arg = list3 (Qsignal, list2 (Qquote, Qquit), Qnil);
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83 Vquit_flag = Qt;
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84 }
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85 else if (SYMBOLP (data)
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86 || (COMPILED_FUNCTIONP (data)
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87 && XCOMPILED_FUNCTION (data)->flags.interactivep)
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88 || (CONSP (data) && (EQ (XCAR (data), Qlambda))
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89 && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
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428
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90 {
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91 *fn = Qcall_interactively;
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92 *arg = data;
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93 }
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94 else if (CONSP (data))
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95 {
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96 *fn = Qeval;
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97 *arg = data;
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98 }
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99 else
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100 {
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101 *fn = Qeval;
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102 *arg = list3 (Qsignal,
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103 list2 (Qquote, Qerror),
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104 list2 (Qquote, list2 (build_translated_string
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105 ("illegal callback"),
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106 data)));
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107 }
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108 }
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109
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110 /*
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111 * Add a value VAL associated with keyword KEY into PGUI_ITEM
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112 * structure. If KEY is not a keyword, or is an unknown keyword, then
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113 * error is signaled.
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114 */
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454
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115 int
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428
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116 gui_item_add_keyval_pair (Lisp_Object gui_item,
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440
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117 Lisp_Object key, Lisp_Object val,
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428
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118 Error_behavior errb)
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119 {
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442
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120 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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454
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121 int retval = 0;
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428
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122
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123 if (!KEYWORDP (key))
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442
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124 syntax_error_2 ("Non-keyword in gui item", key, pgui_item->name);
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428
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125
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454
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126 if (EQ (key, Q_descriptor))
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127 {
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128 if (!EQ (pgui_item->name, val))
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129 {
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130 retval = 1;
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131 pgui_item->name = val;
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132 }
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133 }
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134 #define FROB(slot) \
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135 else if (EQ (key, Q_##slot)) \
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136 { \
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137 if (!EQ (pgui_item->slot, val)) \
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138 { \
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139 retval = 1; \
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140 pgui_item->slot = val; \
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141 } \
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142 }
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143 FROB (suffix)
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144 FROB (active)
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145 FROB (included)
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146 FROB (config)
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147 FROB (filter)
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148 FROB (style)
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149 FROB (selected)
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150 FROB (keys)
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151 FROB (callback)
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152 FROB (callback_ex)
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153 FROB (value)
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154 #undef FROB
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440
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155 else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compatibility */
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428
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156 else if (EQ (key, Q_label)) ; /* ignored for 21.0 implement in 21.2 */
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157 else if (EQ (key, Q_accelerator))
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158 {
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454
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159 if (!EQ (pgui_item->accelerator, val))
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160 {
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161 retval = 1;
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162 if (SYMBOLP (val) || CHARP (val))
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163 pgui_item->accelerator = val;
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164 else if (ERRB_EQ (errb, ERROR_ME))
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165 syntax_error ("Bad keyboard accelerator", val);
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166 }
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428
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167 }
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168 else if (ERRB_EQ (errb, ERROR_ME))
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442
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169 syntax_error_2 ("Unknown keyword in gui item", key,
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170 pgui_item->name);
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454
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171 return retval;
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428
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172 }
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173
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174 void
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175 gui_item_init (Lisp_Object gui_item)
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176 {
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440
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177 Lisp_Gui_Item *lp = XGUI_ITEM (gui_item);
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428
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178
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179 lp->name = Qnil;
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180 lp->callback = Qnil;
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442
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181 lp->callback_ex = Qnil;
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428
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182 lp->suffix = Qnil;
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183 lp->active = Qt;
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184 lp->included = Qt;
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185 lp->config = Qnil;
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186 lp->filter = Qnil;
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187 lp->style = Qnil;
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188 lp->selected = Qnil;
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189 lp->keys = Qnil;
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190 lp->accelerator = Qnil;
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442
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191 lp->value = Qnil;
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428
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192 }
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193
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194 Lisp_Object
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195 allocate_gui_item (void)
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196 {
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440
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197 Lisp_Gui_Item *lp = alloc_lcrecord_type (Lisp_Gui_Item, &lrecord_gui_item);
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428
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198 Lisp_Object val;
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199
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200 zero_lcrecord (lp);
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201 XSETGUI_ITEM (val, lp);
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202
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203 gui_item_init (val);
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204
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205 return val;
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206 }
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207
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208 /*
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209 * ITEM is a lisp vector, describing a menu item or a button. The
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210 * function extracts the description of the item into the PGUI_ITEM
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211 * structure.
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212 */
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213 static Lisp_Object
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214 make_gui_item_from_keywords_internal (Lisp_Object item,
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215 Error_behavior errb)
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216 {
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217 int length, plist_p, start;
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218 Lisp_Object *contents;
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219 Lisp_Object gui_item = allocate_gui_item ();
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442
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220 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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428
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221
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222 CHECK_VECTOR (item);
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223 length = XVECTOR_LENGTH (item);
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224 contents = XVECTOR_DATA (item);
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225
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226 if (length < 1)
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442
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227 syntax_error ("GUI item descriptors must be at least 1 elts long", item);
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428
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228
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229 /* length 1: [ "name" ]
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230 length 2: [ "name" callback ]
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231 length 3: [ "name" callback active-p ]
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232 or [ "name" keyword value ]
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233 length 4: [ "name" callback active-p suffix ]
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234 or [ "name" callback keyword value ]
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235 length 5+: [ "name" callback [ keyword value ]+ ]
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236 or [ "name" [ keyword value ]+ ]
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237 */
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238 plist_p = (length > 2 && (KEYWORDP (contents [1])
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239 || KEYWORDP (contents [2])));
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240
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241 pgui_item->name = contents [0];
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242 if (length > 1 && !KEYWORDP (contents [1]))
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243 {
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244 pgui_item->callback = contents [1];
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245 start = 2;
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246 }
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440
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247 else
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428
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248 start =1;
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249
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250 if (!plist_p && length > 2)
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251 /* the old way */
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252 {
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253 pgui_item->active = contents [2];
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254 if (length == 4)
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255 pgui_item->suffix = contents [3];
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256 }
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257 else
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258 /* the new way */
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259 {
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260 int i;
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261 if ((length - start) & 1)
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442
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262 syntax_error (
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428
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263 "GUI item descriptor has an odd number of keywords and values",
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264 item);
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265
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266 for (i = start; i < length;)
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267 {
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268 Lisp_Object key = contents [i++];
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269 Lisp_Object val = contents [i++];
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270 gui_item_add_keyval_pair (gui_item, key, val, errb);
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271 }
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272 }
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273 return gui_item;
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274 }
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275
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454
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276 /* This will only work with descriptors in the new format. */
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277 Lisp_Object
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278 widget_gui_parse_item_keywords (Lisp_Object item)
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279 {
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280 int i, length;
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281 Lisp_Object *contents;
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282 Lisp_Object gui_item = allocate_gui_item ();
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283 Lisp_Object desc = find_keyword_in_vector (item, Q_descriptor);
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284
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285 CHECK_VECTOR (item);
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286 length = XVECTOR_LENGTH (item);
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287 contents = XVECTOR_DATA (item);
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288
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289 if (!NILP (desc) && !STRINGP (desc) && !VECTORP (desc))
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290 syntax_error ("Invalid GUI item descriptor", item);
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291
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292 if (length & 1)
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293 {
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294 if (!SYMBOLP (contents [0]))
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295 syntax_error ("Invalid GUI item descriptor", item);
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296 contents++; /* Ignore the leading symbol. */
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297 length--;
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298 }
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299
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300 for (i = 0; i < length;)
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301 {
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302 Lisp_Object key = contents [i++];
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303 Lisp_Object val = contents [i++];
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304 gui_item_add_keyval_pair (gui_item, key, val, ERROR_ME_NOT);
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305 }
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306
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307 return gui_item;
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308 }
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309
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310 /* Update a gui item from a partial descriptor. */
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311 int
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312 update_gui_item_keywords (Lisp_Object gui_item, Lisp_Object item)
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313 {
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314 int i, length, retval = 0;
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315 Lisp_Object *contents;
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316
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317 CHECK_VECTOR (item);
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318 length = XVECTOR_LENGTH (item);
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319 contents = XVECTOR_DATA (item);
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320
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321 if (length & 1)
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322 {
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323 if (!SYMBOLP (contents [0]))
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324 syntax_error ("Invalid GUI item descriptor", item);
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325 contents++; /* Ignore the leading symbol. */
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326 length--;
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327 }
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328
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329 for (i = 0; i < length;)
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330 {
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331 Lisp_Object key = contents [i++];
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332 Lisp_Object val = contents [i++];
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333 if (gui_item_add_keyval_pair (gui_item, key, val, ERROR_ME_NOT))
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334 retval = 1;
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|
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335 }
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336 return retval;
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|
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337 }
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338
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428
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339 Lisp_Object
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340 gui_parse_item_keywords (Lisp_Object item)
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|
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341 {
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342 return make_gui_item_from_keywords_internal (item, ERROR_ME);
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|
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343 }
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344
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345 Lisp_Object
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346 gui_parse_item_keywords_no_errors (Lisp_Object item)
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|
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347 {
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348 return make_gui_item_from_keywords_internal (item, ERROR_ME_NOT);
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|
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349 }
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|
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350
|
|
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351 /* convert a gui item into plist properties */
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352 void
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353 gui_add_item_keywords_to_plist (Lisp_Object plist, Lisp_Object gui_item)
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|
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354 {
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|
442
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355 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
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|
440
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356
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428
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357 if (!NILP (pgui_item->callback))
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|
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358 Fplist_put (plist, Q_callback, pgui_item->callback);
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442
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359 if (!NILP (pgui_item->callback_ex))
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360 Fplist_put (plist, Q_callback_ex, pgui_item->callback_ex);
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|
428
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361 if (!NILP (pgui_item->suffix))
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362 Fplist_put (plist, Q_suffix, pgui_item->suffix);
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|
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363 if (!NILP (pgui_item->active))
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364 Fplist_put (plist, Q_active, pgui_item->active);
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|
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365 if (!NILP (pgui_item->included))
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366 Fplist_put (plist, Q_included, pgui_item->included);
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|
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367 if (!NILP (pgui_item->config))
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368 Fplist_put (plist, Q_config, pgui_item->config);
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|
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369 if (!NILP (pgui_item->filter))
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370 Fplist_put (plist, Q_filter, pgui_item->filter);
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|
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371 if (!NILP (pgui_item->style))
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372 Fplist_put (plist, Q_style, pgui_item->style);
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|
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373 if (!NILP (pgui_item->selected))
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374 Fplist_put (plist, Q_selected, pgui_item->selected);
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375 if (!NILP (pgui_item->keys))
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376 Fplist_put (plist, Q_keys, pgui_item->keys);
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|
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377 if (!NILP (pgui_item->accelerator))
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|
|
378 Fplist_put (plist, Q_accelerator, pgui_item->accelerator);
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|
442
|
379 if (!NILP (pgui_item->value))
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|
|
380 Fplist_put (plist, Q_value, pgui_item->value);
|
|
428
|
381 }
|
|
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382
|
|
|
383 /*
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|
|
384 * Decide whether a GUI item is active by evaluating its :active form
|
|
|
385 * if any
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|
|
386 */
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|
|
387 int
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|
|
388 gui_item_active_p (Lisp_Object gui_item)
|
|
|
389 {
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|
|
390 /* This function can call lisp */
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|
|
391
|
|
|
392 /* Shortcut to avoid evaluating Qt each time */
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|
|
393 return (EQ (XGUI_ITEM (gui_item)->active, Qt)
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|
|
394 || !NILP (Feval (XGUI_ITEM (gui_item)->active)));
|
|
|
395 }
|
|
|
396
|
|
|
397 /* set menu accelerator key to first underlined character in menu name */
|
|
|
398 Lisp_Object
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|
|
399 gui_item_accelerator (Lisp_Object gui_item)
|
|
|
400 {
|
|
442
|
401 Lisp_Gui_Item *pgui = XGUI_ITEM (gui_item);
|
|
440
|
402
|
|
428
|
403 if (!NILP (pgui->accelerator))
|
|
|
404 return pgui->accelerator;
|
|
|
405
|
|
|
406 else
|
|
442
|
407 return gui_name_accelerator (pgui->name);
|
|
428
|
408 }
|
|
|
409
|
|
|
410 Lisp_Object
|
|
|
411 gui_name_accelerator (Lisp_Object nm)
|
|
|
412 {
|
|
442
|
413 Bufbyte *name = XSTRING_DATA (nm);
|
|
428
|
414
|
|
442
|
415 while (*name)
|
|
|
416 {
|
|
|
417 if (*name == '%')
|
|
428
|
418 {
|
|
442
|
419 ++name;
|
|
|
420 if (!(*name))
|
|
|
421 return Qnil;
|
|
|
422 if (*name == '_' && *(name + 1))
|
|
|
423 {
|
|
|
424 Emchar accelerator = charptr_emchar (name + 1);
|
|
|
425 /* #### bogus current_buffer dependency */
|
|
|
426 return make_char (DOWNCASE (current_buffer, accelerator));
|
|
|
427 }
|
|
428
|
428 }
|
|
442
|
429 INC_CHARPTR (name);
|
|
428
|
430 }
|
|
442
|
431 return make_char (DOWNCASE (current_buffer,
|
|
|
432 charptr_emchar (XSTRING_DATA (nm))));
|
|
428
|
433 }
|
|
|
434
|
|
|
435 /*
|
|
|
436 * Decide whether a GUI item is selected by evaluating its :selected form
|
|
|
437 * if any
|
|
|
438 */
|
|
|
439 int
|
|
|
440 gui_item_selected_p (Lisp_Object gui_item)
|
|
|
441 {
|
|
|
442 /* This function can call lisp */
|
|
|
443
|
|
|
444 /* Shortcut to avoid evaluating Qt each time */
|
|
|
445 return (EQ (XGUI_ITEM (gui_item)->selected, Qt)
|
|
|
446 || !NILP (Feval (XGUI_ITEM (gui_item)->selected)));
|
|
|
447 }
|
|
|
448
|
|
442
|
449 Lisp_Object
|
|
|
450 gui_item_list_find_selected (Lisp_Object gui_item_list)
|
|
|
451 {
|
|
|
452 /* This function can GC. */
|
|
|
453 Lisp_Object rest;
|
|
|
454 LIST_LOOP (rest, gui_item_list)
|
|
|
455 {
|
|
|
456 if (gui_item_selected_p (XCAR (rest)))
|
|
|
457 return XCAR (rest);
|
|
|
458 }
|
|
|
459 return XCAR (gui_item_list);
|
|
|
460 }
|
|
|
461
|
|
428
|
462 /*
|
|
|
463 * Decide whether a GUI item is included by evaluating its :included
|
|
|
464 * form if given, and testing its :config form against supplied CONFLIST
|
|
|
465 * configuration variable
|
|
|
466 */
|
|
|
467 int
|
|
|
468 gui_item_included_p (Lisp_Object gui_item, Lisp_Object conflist)
|
|
|
469 {
|
|
|
470 /* This function can call lisp */
|
|
442
|
471 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
472
|
|
|
473 /* Evaluate :included first. Shortcut to avoid evaluating Qt each time */
|
|
|
474 if (!EQ (pgui_item->included, Qt)
|
|
|
475 && NILP (Feval (pgui_item->included)))
|
|
|
476 return 0;
|
|
|
477
|
|
|
478 /* Do :config if conflist is given */
|
|
|
479 if (!NILP (conflist) && !NILP (pgui_item->config)
|
|
|
480 && NILP (Fmemq (pgui_item->config, conflist)))
|
|
|
481 return 0;
|
|
|
482
|
|
|
483 return 1;
|
|
|
484 }
|
|
|
485
|
|
|
486 static DOESNT_RETURN
|
|
|
487 signal_too_long_error (Lisp_Object name)
|
|
|
488 {
|
|
442
|
489 syntax_error ("GUI item produces too long displayable string", name);
|
|
428
|
490 }
|
|
|
491
|
|
|
492 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
493 /*
|
|
|
494 * Format "left flush" display portion of an item into BUF, guarded by
|
|
|
495 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
|
|
|
496 * null character, so actual maximum size of buffer consumed is
|
|
|
497 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
|
|
|
498 * signaled.
|
|
|
499 * Return value is the offset to the terminating null character into the
|
|
|
500 * buffer.
|
|
|
501 */
|
|
|
502 unsigned int
|
|
442
|
503 gui_item_display_flush_left (Lisp_Object gui_item,
|
|
|
504 char *buf, Bytecount buf_len)
|
|
428
|
505 {
|
|
|
506 /* This function can call lisp */
|
|
|
507 char *p = buf;
|
|
|
508 Bytecount len;
|
|
442
|
509 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
510
|
|
|
511 /* Copy item name first */
|
|
|
512 CHECK_STRING (pgui_item->name);
|
|
|
513 len = XSTRING_LENGTH (pgui_item->name);
|
|
|
514 if (len > buf_len)
|
|
|
515 signal_too_long_error (pgui_item->name);
|
|
|
516 memcpy (p, XSTRING_DATA (pgui_item->name), len);
|
|
|
517 p += len;
|
|
|
518
|
|
|
519 /* Add space and suffix, if there is a suffix.
|
|
|
520 * If suffix is not string evaluate it */
|
|
|
521 if (!NILP (pgui_item->suffix))
|
|
|
522 {
|
|
|
523 Lisp_Object suffix = pgui_item->suffix;
|
|
|
524 /* Shortcut to avoid evaluating suffix each time */
|
|
|
525 if (!STRINGP (suffix))
|
|
|
526 {
|
|
|
527 suffix = Feval (suffix);
|
|
|
528 CHECK_STRING (suffix);
|
|
|
529 }
|
|
|
530
|
|
|
531 len = XSTRING_LENGTH (suffix);
|
|
|
532 if (p + len + 1 > buf + buf_len)
|
|
|
533 signal_too_long_error (pgui_item->name);
|
|
|
534 *(p++) = ' ';
|
|
|
535 memcpy (p, XSTRING_DATA (suffix), len);
|
|
|
536 p += len;
|
|
|
537 }
|
|
|
538 *p = '\0';
|
|
|
539 return p - buf;
|
|
|
540 }
|
|
|
541
|
|
|
542 /*
|
|
|
543 * Format "right flush" display portion of an item into BUF, guarded by
|
|
|
544 * maximum buffer size BUF_LEN. BUF_LEN does not count for terminating
|
|
|
545 * null character, so actual maximum size of buffer consumed is
|
|
|
546 * BUF_LEN + 1 bytes. If buffer is not big enough, then error is
|
|
|
547 * signaled.
|
|
|
548 * Return value is the offset to the terminating null character into the
|
|
|
549 * buffer.
|
|
|
550 */
|
|
|
551 unsigned int
|
|
|
552 gui_item_display_flush_right (Lisp_Object gui_item,
|
|
442
|
553 char *buf, Bytecount buf_len)
|
|
428
|
554 {
|
|
442
|
555 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
428
|
556 *buf = 0;
|
|
|
557
|
|
|
558 #ifdef HAVE_MENUBARS
|
|
|
559 /* Have keys? */
|
|
|
560 if (!menubar_show_keybindings)
|
|
|
561 return 0;
|
|
|
562 #endif
|
|
|
563
|
|
|
564 /* Try :keys first */
|
|
|
565 if (!NILP (pgui_item->keys))
|
|
|
566 {
|
|
|
567 CHECK_STRING (pgui_item->keys);
|
|
442
|
568 if (XSTRING_LENGTH (pgui_item->keys) + 1 > buf_len)
|
|
428
|
569 signal_too_long_error (pgui_item->name);
|
|
442
|
570 memcpy (buf, XSTRING_DATA (pgui_item->keys),
|
|
|
571 XSTRING_LENGTH (pgui_item->keys) + 1);
|
|
428
|
572 return XSTRING_LENGTH (pgui_item->keys);
|
|
|
573 }
|
|
|
574
|
|
|
575 /* See if we can derive keys out of callback symbol */
|
|
|
576 if (SYMBOLP (pgui_item->callback))
|
|
|
577 {
|
|
442
|
578 char buf2[1024]; /* #### */
|
|
428
|
579 Bytecount len;
|
|
|
580
|
|
|
581 where_is_to_char (pgui_item->callback, buf2);
|
|
|
582 len = strlen (buf2);
|
|
|
583 if (len > buf_len)
|
|
|
584 signal_too_long_error (pgui_item->name);
|
|
|
585 strcpy (buf, buf2);
|
|
|
586 return len;
|
|
|
587 }
|
|
|
588
|
|
|
589 /* No keys - no right flush display */
|
|
|
590 return 0;
|
|
|
591 }
|
|
|
592 #endif /* HAVE_WINDOW_SYSTEM */
|
|
|
593
|
|
|
594 static Lisp_Object
|
|
|
595 mark_gui_item (Lisp_Object obj)
|
|
|
596 {
|
|
440
|
597 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
428
|
598
|
|
|
599 mark_object (p->name);
|
|
|
600 mark_object (p->callback);
|
|
442
|
601 mark_object (p->callback_ex);
|
|
428
|
602 mark_object (p->config);
|
|
|
603 mark_object (p->suffix);
|
|
|
604 mark_object (p->active);
|
|
|
605 mark_object (p->included);
|
|
|
606 mark_object (p->config);
|
|
|
607 mark_object (p->filter);
|
|
|
608 mark_object (p->style);
|
|
|
609 mark_object (p->selected);
|
|
|
610 mark_object (p->keys);
|
|
|
611 mark_object (p->accelerator);
|
|
442
|
612 mark_object (p->value);
|
|
428
|
613
|
|
|
614 return Qnil;
|
|
|
615 }
|
|
|
616
|
|
|
617 static unsigned long
|
|
|
618 gui_item_hash (Lisp_Object obj, int depth)
|
|
|
619 {
|
|
440
|
620 Lisp_Gui_Item *p = XGUI_ITEM (obj);
|
|
428
|
621
|
|
442
|
622 return HASH2 (HASH6 (internal_hash (p->name, depth + 1),
|
|
428
|
623 internal_hash (p->callback, depth + 1),
|
|
442
|
624 internal_hash (p->callback_ex, depth + 1),
|
|
428
|
625 internal_hash (p->suffix, depth + 1),
|
|
|
626 internal_hash (p->active, depth + 1),
|
|
|
627 internal_hash (p->included, depth + 1)),
|
|
442
|
628 HASH6 (internal_hash (p->config, depth + 1),
|
|
428
|
629 internal_hash (p->filter, depth + 1),
|
|
|
630 internal_hash (p->style, depth + 1),
|
|
|
631 internal_hash (p->selected, depth + 1),
|
|
442
|
632 internal_hash (p->keys, depth + 1),
|
|
|
633 internal_hash (p->value, depth + 1)));
|
|
428
|
634 }
|
|
|
635
|
|
|
636 int
|
|
|
637 gui_item_id_hash (Lisp_Object hashtable, Lisp_Object gitem, int slot)
|
|
|
638 {
|
|
|
639 int hashid = gui_item_hash (gitem, 0);
|
|
|
640 int id = GUI_ITEM_ID_BITS (hashid, slot);
|
|
|
641 while (!NILP (Fgethash (make_int (id),
|
|
|
642 hashtable, Qnil)))
|
|
|
643 {
|
|
|
644 id = GUI_ITEM_ID_BITS (id + 1, slot);
|
|
|
645 }
|
|
|
646 return id;
|
|
|
647 }
|
|
|
648
|
|
442
|
649 int
|
|
|
650 gui_item_equal_sans_selected (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
428
|
651 {
|
|
440
|
652 Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
|
|
|
653 Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
|
|
428
|
654
|
|
|
655 if (!(internal_equal (p1->name, p2->name, depth + 1)
|
|
|
656 &&
|
|
|
657 internal_equal (p1->callback, p2->callback, depth + 1)
|
|
|
658 &&
|
|
442
|
659 internal_equal (p1->callback_ex, p2->callback_ex, depth + 1)
|
|
|
660 &&
|
|
428
|
661 EQ (p1->suffix, p2->suffix)
|
|
|
662 &&
|
|
|
663 EQ (p1->active, p2->active)
|
|
|
664 &&
|
|
|
665 EQ (p1->included, p2->included)
|
|
|
666 &&
|
|
|
667 EQ (p1->config, p2->config)
|
|
|
668 &&
|
|
|
669 EQ (p1->filter, p2->filter)
|
|
|
670 &&
|
|
|
671 EQ (p1->style, p2->style)
|
|
|
672 &&
|
|
|
673 EQ (p1->accelerator, p2->accelerator)
|
|
|
674 &&
|
|
442
|
675 EQ (p1->keys, p2->keys)
|
|
|
676 &&
|
|
|
677 EQ (p1->value, p2->value)))
|
|
|
678 return 0;
|
|
|
679 return 1;
|
|
|
680 }
|
|
|
681
|
|
|
682 static int
|
|
|
683 gui_item_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
|
684 {
|
|
|
685 Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
|
|
|
686 Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
|
|
|
687
|
|
|
688 if (!(gui_item_equal_sans_selected (obj1, obj2, depth)
|
|
|
689 &&
|
|
|
690 EQ (p1->selected, p2->selected)))
|
|
428
|
691 return 0;
|
|
|
692 return 1;
|
|
|
693 }
|
|
|
694
|
|
|
695 static void
|
|
|
696 print_gui_item (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
697 {
|
|
440
|
698 Lisp_Gui_Item *g = XGUI_ITEM (obj);
|
|
428
|
699 char buf[20];
|
|
|
700
|
|
|
701 if (print_readably)
|
|
|
702 error ("printing unreadable object #<gui-item 0x%x>", g->header.uid);
|
|
|
703
|
|
|
704 write_c_string ("#<gui-item ", printcharfun);
|
|
|
705 sprintf (buf, "0x%x>", g->header.uid);
|
|
|
706 write_c_string (buf, printcharfun);
|
|
|
707 }
|
|
|
708
|
|
454
|
709 Lisp_Object
|
|
442
|
710 copy_gui_item (Lisp_Object gui_item)
|
|
|
711 {
|
|
|
712 Lisp_Object ret = allocate_gui_item ();
|
|
|
713 Lisp_Gui_Item *lp, *g = XGUI_ITEM (gui_item);
|
|
|
714
|
|
|
715 lp = XGUI_ITEM (ret);
|
|
|
716 lp->name = g->name;
|
|
|
717 lp->callback = g->callback;
|
|
|
718 lp->callback_ex = g->callback_ex;
|
|
|
719 lp->suffix = g->suffix;
|
|
|
720 lp->active = g->active;
|
|
|
721 lp->included = g->included;
|
|
|
722 lp->config = g->config;
|
|
|
723 lp->filter = g->filter;
|
|
|
724 lp->style = g->style;
|
|
|
725 lp->selected = g->selected;
|
|
|
726 lp->keys = g->keys;
|
|
|
727 lp->accelerator = g->accelerator;
|
|
|
728 lp->value = g->value;
|
|
|
729
|
|
|
730 return ret;
|
|
|
731 }
|
|
|
732
|
|
|
733 Lisp_Object
|
|
|
734 copy_gui_item_tree (Lisp_Object arg)
|
|
|
735 {
|
|
|
736 if (CONSP (arg))
|
|
|
737 {
|
|
|
738 Lisp_Object rest = arg = Fcopy_sequence (arg);
|
|
|
739 while (CONSP (rest))
|
|
|
740 {
|
|
|
741 XCAR (rest) = copy_gui_item_tree (XCAR (rest));
|
|
|
742 rest = XCDR (rest);
|
|
|
743 }
|
|
|
744 return arg;
|
|
|
745 }
|
|
|
746 else if (GUI_ITEMP (arg))
|
|
|
747 return copy_gui_item (arg);
|
|
|
748 else
|
|
|
749 return arg;
|
|
|
750 }
|
|
|
751
|
|
428
|
752 /* parse a glyph descriptor into a tree of gui items.
|
|
|
753
|
|
|
754 The gui_item slot of an image instance can be a single item or an
|
|
|
755 arbitrarily nested hierarchy of item lists. */
|
|
|
756
|
|
442
|
757 static Lisp_Object
|
|
|
758 parse_gui_item_tree_item (Lisp_Object entry)
|
|
428
|
759 {
|
|
|
760 Lisp_Object ret = entry;
|
|
442
|
761 struct gcpro gcpro1;
|
|
|
762
|
|
|
763 GCPRO1 (ret);
|
|
|
764
|
|
428
|
765 if (VECTORP (entry))
|
|
|
766 {
|
|
442
|
767 ret = gui_parse_item_keywords_no_errors (entry);
|
|
428
|
768 }
|
|
|
769 else if (STRINGP (entry))
|
|
|
770 {
|
|
|
771 CHECK_STRING (entry);
|
|
|
772 }
|
|
|
773 else
|
|
442
|
774 syntax_error ("item must be a vector or a string", entry);
|
|
428
|
775
|
|
442
|
776 RETURN_UNGCPRO (ret);
|
|
428
|
777 }
|
|
|
778
|
|
442
|
779 Lisp_Object
|
|
|
780 parse_gui_item_tree_children (Lisp_Object list)
|
|
428
|
781 {
|
|
442
|
782 Lisp_Object rest, ret = Qnil, sub = Qnil;
|
|
|
783 struct gcpro gcpro1, gcpro2;
|
|
|
784
|
|
|
785 GCPRO2 (ret, sub);
|
|
428
|
786 CHECK_CONS (list);
|
|
|
787 /* recursively add items to the tree view */
|
|
|
788 LIST_LOOP (rest, list)
|
|
|
789 {
|
|
|
790 if (CONSP (XCAR (rest)))
|
|
|
791 sub = parse_gui_item_tree_list (XCAR (rest));
|
|
|
792 else
|
|
|
793 sub = parse_gui_item_tree_item (XCAR (rest));
|
|
440
|
794
|
|
428
|
795 ret = Fcons (sub, ret);
|
|
|
796 }
|
|
|
797 /* make the order the same as the items we have parsed */
|
|
442
|
798 RETURN_UNGCPRO (Fnreverse (ret));
|
|
428
|
799 }
|
|
|
800
|
|
442
|
801 static Lisp_Object
|
|
|
802 parse_gui_item_tree_list (Lisp_Object list)
|
|
428
|
803 {
|
|
|
804 Lisp_Object ret;
|
|
442
|
805 struct gcpro gcpro1;
|
|
428
|
806 CHECK_CONS (list);
|
|
|
807 /* first one can never be a list */
|
|
|
808 ret = parse_gui_item_tree_item (XCAR (list));
|
|
442
|
809 GCPRO1 (ret);
|
|
|
810 ret = Fcons (ret, parse_gui_item_tree_children (XCDR (list)));
|
|
|
811 RETURN_UNGCPRO (ret);
|
|
|
812 }
|
|
|
813
|
|
|
814 static void
|
|
|
815 finalize_gui_item (void* header, int for_disksave)
|
|
|
816 {
|
|
428
|
817 }
|
|
|
818
|
|
|
819 DEFINE_LRECORD_IMPLEMENTATION ("gui-item", gui_item,
|
|
|
820 mark_gui_item, print_gui_item,
|
|
442
|
821 finalize_gui_item, gui_item_equal,
|
|
428
|
822 gui_item_hash,
|
|
|
823 0,
|
|
440
|
824 Lisp_Gui_Item);
|
|
428
|
825
|
|
|
826 void
|
|
|
827 syms_of_gui (void)
|
|
|
828 {
|
|
442
|
829 INIT_LRECORD_IMPLEMENTATION (gui_item);
|
|
428
|
830
|
|
442
|
831 DEFSYMBOL (Qmenu_no_selection_hook);
|
|
428
|
832
|
|
|
833 #ifdef HAVE_POPUPS
|
|
|
834 DEFSUBR (Fpopup_up_p);
|
|
|
835 #endif
|
|
|
836 }
|
|
|
837
|
|
|
838 void
|
|
|
839 vars_of_gui (void)
|
|
|
840 {
|
|
442
|
841 DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
|
|
|
842 Function or functions to call when a menu or dialog box is dismissed
|
|
|
843 without a selection having been made.
|
|
|
844 */ );
|
|
|
845 Vmenu_no_selection_hook = Qnil;
|
|
428
|
846 }
|
