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428
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1 /* Implements an elisp-programmable menubar -- Win32
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2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
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442
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4 Copyright (C) 1997 Kirill M. Katsnelson <kkm@kis.ru>.
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5 Copyright (C) 2000 Ben Wing.
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428
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Author:
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27 Initially written by kkm 12/24/97,
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28 peeking into and copying stuff from menubar-x.c
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29 */
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30
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31 /* Algorithm for handling menus is as follows. When window's menubar
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32 * is created, current-menubar is not traversed in depth. Rather, only
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33 * top level items, both items and pulldowns, are added to the
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34 * menubar. Each pulldown is initially empty. When a pulldown is
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35 * selected and about to open, corresponding element of
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36 * current-menubar is found, and the newly open pulldown is
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37 * populated. This is made again in the same non-recursive manner.
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38 *
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39 * This algorithm uses hash tables to find out element of the menu
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40 * descriptor list given menu handle. The key is an opaque ptr data
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41 * type, keeping menu handle, and the value is a list of strings
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42 * representing the path from the root of the menu to the item
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43 * descriptor. Each frame has an associated hash table.
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44 *
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45 * Leaf items are assigned a unique id based on item's hash. When an
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46 * item is selected, Windows sends back the id. Unfortunately, only
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47 * low 16 bit of the ID are sent, and there's no way to get the 32-bit
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48 * value. Yes, Win32 is just a different set of bugs than X! Aside
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49 * from this blame, another hashing mechanism is required to map menu
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50 * ids to commands (which are actually Lisp_Object's). This mapping is
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51 * performed in the same hash table, as the lifetime of both maps is
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52 * exactly the same. This is unambigous, as menu handles are
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53 * represented by lisp opaques, while command ids are by lisp
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54 * integers. The additional advantage for this is that command forms
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55 * are automatically GC-protected, which is important because these
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56 * may be transient forms generated by :filter functions.
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57 *
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58 * The hash table is not allowed to grow too much; it is pruned
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59 * whenever this is safe to do. This is done by re-creating the menu
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60 * bar, and clearing and refilling the hash table from scratch.
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61 *
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62 * Popup menus are handled identically to pulldowns. A static hash
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63 * table is used for popup menus, and lookup is made not in
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64 * current-menubar but in a lisp form supplied to the `popup'
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65 * function.
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66 *
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67 * Another Windows weirdness is that there's no way to tell that a
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68 * popup has been dismissed without making selection. We need to know
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69 * that to cleanup the popup menu hash table, but this is not honestly
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70 * doable using *documented* sequence of messages. Sticking to
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71 * particular knowledge is bad because this may break in Windows NT
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72 * 5.0, or Windows 98, or other future version. Instead, I allow the
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73 * hash tables to hang around, and not clear them, unless WM_COMMAND is
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442
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74 * received. This is worth some memory but more safe. Hacks welcome,
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428
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75 * anyways!
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76 *
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77 */
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78
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79 #include <config.h>
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80 #include "lisp.h"
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81
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82 #include "buffer.h"
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83 #include "commands.h"
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84 #include "console-msw.h"
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85 #include "elhash.h"
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86 #include "events.h"
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87 #include "frame.h"
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88 #include "gui.h"
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89 #include "lisp.h"
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90 #include "menubar.h"
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91 #include "menubar-msw.h"
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92 #include "opaque.h"
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93 #include "window.h"
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94
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95 /* #### */
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442
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96 #define REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH 0
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428
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97
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98 #define EMPTY_ITEM_ID ((UINT)LISP_TO_VOID (Qunbound))
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99 #define EMPTY_ITEM_NAME "(empty)"
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100
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101 /* Current menu (bar or popup) descriptor. gcpro'ed */
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102 static Lisp_Object current_menudesc;
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103
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104 /* Current menubar or popup hash table. gcpro'ed */
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105 static Lisp_Object current_hash_table;
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106
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107 /* This is used to allocate unique ids to menu items.
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108 Items ids are in MENU_ITEM_ID_MIN to MENU_ITEM_ID_MAX.
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109 Allocation checks that the item is not already in
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110 the TOP_LEVEL_MENU */
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111
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112 /* #### defines go to gui-msw.h, as the range is shared with toolbars
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113 (If only toolbars will be implemented as common controls) */
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114 #define MENU_ITEM_ID_MIN 0x8000
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115 #define MENU_ITEM_ID_MAX 0xFFFF
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116 #define MENU_ITEM_ID_BITS(x) (((x) & 0x7FFF) | 0x8000)
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117 static HMENU top_level_menu;
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118
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119 /*
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442
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120 * Translate (in place) X accelerator syntax to win32 accelerator syntax.
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121 * Return new length.
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122 * len = number of bytes (not including zero terminator).
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123 * maxlen = size of buffer.
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124 * accel = (Emchar*) to receive the accelerator character
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125 * or NULL to suppress accelerators in the menu or dialog item.
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126 *
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127 * %% is replaced with %
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128 * if accel is NULL:
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129 * %_ is removed.
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130 * if accel is non-NULL:
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131 * %_ is replaced with &.
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132 * The accelerator character is passed back in *accel.
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133 * (If there is no accelerator, it will be added on the first character.)
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134 *
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135 * We assume and maintain zero-termination. To be absolutely sure
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136 * of not hitting an error, maxlen should be >= 2*len + 3.
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137 */
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138 Bytecount
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139 mswindows_translate_menu_or_dialog_item (Bufbyte *item, Bytecount len,
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140 Bytecount maxlen, Emchar *accel,
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141 Lisp_Object error_name)
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142 {
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143 Bufbyte *ptr;
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144
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145 if (accel)
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146 *accel = '\0';
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147
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148 /* Escape '&' as '&&' */
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149 ptr = item;
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150 while ((ptr = (Bufbyte *) memchr (ptr, '&', len - (ptr - item))) != NULL)
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151 {
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152 if (len + 2 > maxlen)
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153 syntax_error ("Menu item produces too long displayable string",
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154 error_name);
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155 memmove (ptr + 1, ptr, (len - (ptr - item)) + 1);
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156 len++;
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157 ptr += 2;
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158 }
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159
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160 /* Replace XEmacs accelerator '%_' with Windows accelerator '&'
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161 and `%%' with `%'. */
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162 ptr = item;
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163 while ((ptr = memchr (ptr, '%', len - (ptr - item))) != NULL)
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164 {
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165 if (*(ptr + 1) == '_')
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166 {
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167 if (accel)
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168 {
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169 *ptr = '&';
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170 if (!*accel)
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171 /* #### urk ! We need a reference translation table for
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172 case changes that aren't buffer-specific. */
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173 *accel = DOWNCASE (current_buffer, charptr_emchar (ptr + 2));
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174 memmove (ptr + 1, ptr + 2, len - (ptr - item + 2) + 1);
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175 len--;
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176 }
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177 else /* Skip accelerator */
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178 {
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179 memmove (ptr, ptr + 2, len - (ptr - item + 2) + 1);
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180 len-=2;
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181 }
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182 }
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183 else if (*(ptr + 1) == '%')
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184 {
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185 memmove (ptr + 1, ptr + 2, len - (ptr - item + 2) + 1);
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186 len--;
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187 ptr++;
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188 }
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189 else /* % on its own - shouldn't happen */
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190 ptr++;
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191 }
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192
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193 if (accel && !*accel)
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194 {
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195 /* Force a default accelerator */
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196 if (len + 2 > maxlen)
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197 syntax_error ("Menu item produces too long displayable string",
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198 error_name);
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|
199 ptr = item;
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200 memmove (ptr + 1, ptr, len + 1);
|
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201 /* #### urk ! We need a reference translation table for
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202 case changes that aren't buffer-specific. */
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|
203 *accel = DOWNCASE (current_buffer, charptr_emchar (ptr + 1));
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204 *ptr = '&';
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205
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206 len++;
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207 }
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208
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|
209 return len;
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|
210 }
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211
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|
|
212 /*
|
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428
|
213 * This returns Windows-style menu item string:
|
|
|
214 * "Left Flush\tRight Flush"
|
|
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215 */
|
|
442
|
216
|
|
|
217 /* #### This is junk. Need correct handling of sizes. Use a Bufbyte_dynarr,
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218 not a static buffer. */
|
|
428
|
219 static char*
|
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442
|
220 displayable_menu_item (Lisp_Object gui_item, int bar_p, Emchar *accel)
|
|
428
|
221 {
|
|
442
|
222 unsigned int ll;
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223
|
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428
|
224 /* We construct the name in a static buffer. That's fine, because
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225 menu items longer than 128 chars are probably programming errors,
|
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226 and better be caught than displayed! */
|
|
442
|
227
|
|
428
|
228 static char buf[MAX_MENUITEM_LENGTH+2];
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229
|
|
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230 /* Left flush part of the string */
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|
231 ll = gui_item_display_flush_left (gui_item, buf, MAX_MENUITEM_LENGTH);
|
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232
|
|
442
|
233 ll = mswindows_translate_menu_or_dialog_item ((Bufbyte *) buf, ll,
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|
234 MAX_MENUITEM_LENGTH, accel,
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|
|
235 XGUI_ITEM (gui_item)->name);
|
|
428
|
236
|
|
|
237 /* Right flush part, unless we're at the top-level where it's not allowed */
|
|
|
238 if (!bar_p)
|
|
|
239 {
|
|
442
|
240 unsigned int lr;
|
|
|
241
|
|
428
|
242 assert (MAX_MENUITEM_LENGTH > ll + 1);
|
|
|
243 lr = gui_item_display_flush_right (gui_item, buf + ll + 1,
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|
|
244 MAX_MENUITEM_LENGTH - ll - 1);
|
|
|
245 if (lr)
|
|
|
246 buf [ll] = '\t';
|
|
|
247 }
|
|
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248
|
|
|
249 return buf;
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|
|
250 }
|
|
|
251
|
|
|
252 /*
|
|
|
253 * hmenu_to_lisp_object() returns an opaque ptr given menu handle.
|
|
|
254 */
|
|
|
255 static Lisp_Object
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|
|
256 hmenu_to_lisp_object (HMENU hmenu)
|
|
|
257 {
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|
|
258 return make_opaque_ptr (hmenu);
|
|
|
259 }
|
|
|
260
|
|
|
261 /*
|
|
|
262 * Allocation tries a hash based on item's path and name first. This
|
|
|
263 * almost guarantees that the same item will override its old value in
|
|
|
264 * the hash table rather than abandon it.
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|
|
265 */
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|
|
266 static Lisp_Object
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267 allocate_menu_item_id (Lisp_Object path, Lisp_Object name, Lisp_Object suffix)
|
|
|
268 {
|
|
|
269 UINT id = MENU_ITEM_ID_BITS (HASH3 (internal_hash (path, 0),
|
|
|
270 internal_hash (name, 0),
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|
|
271 internal_hash (suffix, 0)));
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|
|
272 do {
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|
|
273 id = MENU_ITEM_ID_BITS (id + 1);
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|
|
274 } while (GetMenuState (top_level_menu, id, MF_BYCOMMAND) != 0xFFFFFFFF);
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|
|
275 return make_int (id);
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|
|
276 }
|
|
|
277
|
|
|
278 static HMENU
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|
|
279 create_empty_popup_menu (void)
|
|
|
280 {
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|
|
281 return CreatePopupMenu ();
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|
|
282 }
|
|
|
283
|
|
|
284 static void
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|
|
285 empty_menu (HMENU menu, int add_empty_p)
|
|
|
286 {
|
|
|
287 while (DeleteMenu (menu, 0, MF_BYPOSITION));
|
|
|
288 if (add_empty_p)
|
|
|
289 AppendMenu (menu, MF_STRING | MF_GRAYED, EMPTY_ITEM_ID, EMPTY_ITEM_NAME);
|
|
|
290 }
|
|
|
291
|
|
|
292 /*
|
|
|
293 * The idea of checksumming is that we must hash minimal object
|
|
|
294 * which is necessarily changes when the item changes. For separator
|
|
|
295 * this is a constant, for grey strings and submenus these are hashes
|
|
|
296 * of names, since submenus are unpopulated until opened so always
|
|
|
297 * equal otherwise. For items, this is a full hash value of a callback,
|
|
|
298 * because a callback may me a form which can be changed only somewhere
|
|
|
299 * in depth.
|
|
|
300 */
|
|
|
301 static unsigned long
|
|
|
302 checksum_menu_item (Lisp_Object item)
|
|
|
303 {
|
|
|
304 if (STRINGP (item))
|
|
|
305 {
|
|
|
306 /* Separator or unselectable text - hash as a string + 13 */
|
|
|
307 if (separator_string_p (XSTRING_DATA (item)))
|
|
|
308 return 13;
|
|
|
309 else
|
|
|
310 return internal_hash (item, 0) + 13;
|
|
|
311 }
|
|
|
312 else if (CONSP (item))
|
|
|
313 {
|
|
|
314 /* Submenu - hash by its string name + 0 */
|
|
|
315 return internal_hash (XCAR(item), 0);
|
|
|
316 }
|
|
|
317 else if (VECTORP (item))
|
|
|
318 {
|
|
|
319 /* An ordinary item - hash its name and callback form. */
|
|
|
320 return HASH2 (internal_hash (XVECTOR_DATA(item)[0], 0),
|
|
|
321 internal_hash (XVECTOR_DATA(item)[1], 0));
|
|
|
322 }
|
|
442
|
323
|
|
428
|
324 /* An error - will be caught later */
|
|
|
325 return 0;
|
|
|
326 }
|
|
|
327
|
|
|
328 static void
|
|
|
329 populate_menu_add_item (HMENU menu, Lisp_Object path,
|
|
|
330 Lisp_Object hash_tab, Lisp_Object item,
|
|
442
|
331 Lisp_Object *accel_list,
|
|
428
|
332 int flush_right, int bar_p)
|
|
|
333 {
|
|
|
334 MENUITEMINFO item_info;
|
|
442
|
335 UINT oldflags = MF_BYPOSITION;
|
|
|
336 UINT olduidnewitem = 0;
|
|
|
337 LPCTSTR oldlpnewitem = 0;
|
|
428
|
338
|
|
|
339 item_info.cbSize = sizeof (item_info);
|
|
|
340 item_info.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
|
|
|
341 item_info.fState = 0;
|
|
|
342 item_info.wID = 0;
|
|
|
343 item_info.fType = 0;
|
|
|
344
|
|
|
345 if (STRINGP (item))
|
|
|
346 {
|
|
|
347 /* Separator or unselectable text */
|
|
|
348 if (separator_string_p (XSTRING_DATA (item)))
|
|
442
|
349 {
|
|
|
350 item_info.fType = MFT_SEPARATOR;
|
|
|
351 oldflags |= MF_SEPARATOR;
|
|
|
352 }
|
|
428
|
353 else
|
|
|
354 {
|
|
|
355 item_info.fType = MFT_STRING;
|
|
|
356 item_info.fState = MFS_DISABLED;
|
|
|
357 item_info.dwTypeData = XSTRING_DATA (item);
|
|
442
|
358 oldflags |= MF_STRING | MF_DISABLED;
|
|
|
359 oldlpnewitem = item_info.dwTypeData;
|
|
428
|
360 }
|
|
|
361 }
|
|
|
362 else if (CONSP (item))
|
|
|
363 {
|
|
|
364 /* Submenu */
|
|
|
365 HMENU submenu;
|
|
|
366 Lisp_Object gui_item = allocate_gui_item ();
|
|
442
|
367 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
368 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
369 Emchar accel;
|
|
428
|
370
|
|
442
|
371 GCPRO3 (gui_item, path, *accel_list);
|
|
428
|
372
|
|
|
373 menu_parse_submenu_keywords (item, gui_item);
|
|
|
374
|
|
|
375 if (!STRINGP (pgui_item->name))
|
|
442
|
376 syntax_error ("Menu name (first element) must be a string",
|
|
|
377 item);
|
|
428
|
378
|
|
|
379 if (!gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
442
|
380 {
|
|
|
381 UNGCPRO;
|
|
|
382 goto done;
|
|
|
383 }
|
|
428
|
384
|
|
|
385 if (!gui_item_active_p (gui_item))
|
|
442
|
386 {
|
|
|
387 item_info.fState = MFS_GRAYED;
|
|
|
388 oldflags |= MF_GRAYED;
|
|
|
389 }
|
|
428
|
390 /* Temptation is to put 'else' right here. Although, the
|
|
|
391 displayed item won't have an arrow indicating that it is a
|
|
|
392 popup. So we go ahead a little bit more and create a popup */
|
|
442
|
393 submenu = create_empty_popup_menu ();
|
|
428
|
394
|
|
|
395 item_info.fMask |= MIIM_SUBMENU;
|
|
442
|
396 item_info.dwTypeData = displayable_menu_item (gui_item, bar_p, &accel);
|
|
428
|
397 item_info.hSubMenu = submenu;
|
|
442
|
398 olduidnewitem = (UINT) submenu;
|
|
|
399 oldlpnewitem = item_info.dwTypeData;
|
|
|
400 oldflags |= MF_POPUP;
|
|
|
401
|
|
|
402 if (accel && bar_p)
|
|
|
403 *accel_list = Fcons (make_char (accel), *accel_list);
|
|
428
|
404
|
|
|
405 if (!(item_info.fState & MFS_GRAYED))
|
|
|
406 {
|
|
|
407 /* Now add the full submenu path as a value to the hash table,
|
|
|
408 keyed by menu handle */
|
|
|
409 if (NILP(path))
|
|
|
410 path = list1 (pgui_item->name);
|
|
|
411 else
|
|
|
412 {
|
|
|
413 Lisp_Object arg[2];
|
|
|
414 arg[0] = path;
|
|
|
415 arg[1] = list1 (pgui_item->name);
|
|
|
416 path = Fappend (2, arg);
|
|
|
417 }
|
|
|
418
|
|
|
419 Fputhash (hmenu_to_lisp_object (submenu), path, hash_tab);
|
|
|
420 }
|
|
442
|
421 UNGCPRO;
|
|
|
422 }
|
|
428
|
423 else if (VECTORP (item))
|
|
|
424 {
|
|
|
425 /* An ordinary item */
|
|
|
426 Lisp_Object style, id;
|
|
|
427 Lisp_Object gui_item = gui_parse_item_keywords (item);
|
|
442
|
428 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
429 struct gcpro gcpro1, gcpro2;
|
|
|
430 Emchar accel;
|
|
428
|
431
|
|
442
|
432 GCPRO2 (gui_item, *accel_list);
|
|
428
|
433
|
|
|
434 if (!gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
442
|
435 {
|
|
|
436 UNGCPRO;
|
|
|
437 goto done;
|
|
|
438 }
|
|
|
439
|
|
|
440 if (!STRINGP (pgui_item->name))
|
|
|
441 pgui_item->name = Feval (pgui_item->name);
|
|
428
|
442
|
|
|
443 if (!gui_item_active_p (gui_item))
|
|
442
|
444 {
|
|
|
445 item_info.fState = MFS_GRAYED;
|
|
|
446 oldflags = MF_GRAYED;
|
|
|
447 }
|
|
428
|
448
|
|
|
449 style = (NILP (pgui_item->selected) || NILP (Feval (pgui_item->selected))
|
|
|
450 ? Qnil : pgui_item->style);
|
|
|
451
|
|
|
452 if (EQ (style, Qradio))
|
|
|
453 {
|
|
|
454 item_info.fType |= MFT_RADIOCHECK;
|
|
|
455 item_info.fState |= MFS_CHECKED;
|
|
442
|
456 oldflags |= MF_CHECKED; /* Can't support radio-button checkmarks
|
|
|
457 under 3.51 */
|
|
428
|
458 }
|
|
|
459 else if (EQ (style, Qtoggle))
|
|
|
460 {
|
|
|
461 item_info.fState |= MFS_CHECKED;
|
|
442
|
462 oldflags |= MF_CHECKED;
|
|
428
|
463 }
|
|
|
464
|
|
|
465 id = allocate_menu_item_id (path, pgui_item->name,
|
|
|
466 pgui_item->suffix);
|
|
|
467 Fputhash (id, pgui_item->callback, hash_tab);
|
|
|
468
|
|
442
|
469 item_info.wID = (UINT) XINT (id);
|
|
428
|
470 item_info.fType |= MFT_STRING;
|
|
442
|
471 item_info.dwTypeData = displayable_menu_item (gui_item, bar_p, &accel);
|
|
|
472 olduidnewitem = item_info.wID;
|
|
|
473 oldflags |= MF_STRING;
|
|
|
474 oldlpnewitem = item_info.dwTypeData;
|
|
428
|
475
|
|
442
|
476 if (accel && bar_p)
|
|
|
477 *accel_list = Fcons (make_char (accel), *accel_list);
|
|
|
478
|
|
|
479 UNGCPRO;
|
|
428
|
480 }
|
|
|
481 else
|
|
442
|
482 syntax_error ("Malformed menu item descriptor", item);
|
|
428
|
483
|
|
|
484 if (flush_right)
|
|
442
|
485 item_info.fType |= MFT_RIGHTJUSTIFY; /* can't support in 3.51 */
|
|
428
|
486
|
|
442
|
487 if (xInsertMenuItemA)
|
|
|
488 xInsertMenuItemA (menu, UINT_MAX, TRUE, &item_info);
|
|
|
489 else
|
|
|
490 InsertMenu (menu, UINT_MAX, oldflags, olduidnewitem, oldlpnewitem);
|
|
|
491
|
|
|
492 done:;
|
|
|
493 }
|
|
428
|
494
|
|
|
495 /*
|
|
|
496 * This function is called from populate_menu and checksum_menu.
|
|
|
497 * When called to populate, MENU is a menu handle, PATH is a
|
|
|
498 * list of strings representing menu path from root to this submenu,
|
|
|
499 * DESCRIPTOR is a menu descriptor, HASH_TAB is a hash table associated
|
|
|
500 * with root menu, BAR_P indicates whether this called for a menubar or
|
|
|
501 * a popup, and POPULATE_P is non-zero. Return value must be ignored.
|
|
|
502 * When called to checksum, DESCRIPTOR has the same meaning, POPULATE_P
|
|
|
503 * is zero, PATH must be Qnil, and the rest of parameters is ignored.
|
|
|
504 * Return value is the menu checksum.
|
|
|
505 */
|
|
|
506 static unsigned long
|
|
|
507 populate_or_checksum_helper (HMENU menu, Lisp_Object path, Lisp_Object desc,
|
|
|
508 Lisp_Object hash_tab, int bar_p, int populate_p)
|
|
|
509 {
|
|
|
510 Lisp_Object item_desc;
|
|
|
511 int deep_p, flush_right;
|
|
442
|
512 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
428
|
513 unsigned long checksum;
|
|
|
514 Lisp_Object gui_item = allocate_gui_item ();
|
|
442
|
515 Lisp_Object accel_list = Qnil;
|
|
|
516 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
517
|
|
|
518 GCPRO3 (gui_item, accel_list, desc);
|
|
428
|
519
|
|
|
520 /* We are sometimes called with the menubar unchanged, and with changed
|
|
|
521 right flush. We have to update the menubar in this case,
|
|
|
522 so account for the compliance setting in the hash value */
|
|
442
|
523 checksum = REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH;
|
|
428
|
524
|
|
|
525 /* Will initially contain only "(empty)" */
|
|
|
526 if (populate_p)
|
|
|
527 empty_menu (menu, 1);
|
|
|
528
|
|
|
529 /* PATH set to nil indicates top-level popup or menubar */
|
|
|
530 deep_p = !NILP (path);
|
|
|
531
|
|
|
532 /* Fetch keywords prepending the item list */
|
|
|
533 desc = menu_parse_submenu_keywords (desc, gui_item);
|
|
|
534
|
|
|
535 /* Check that menu name is specified when expected */
|
|
|
536 if (NILP (pgui_item->name) && deep_p)
|
|
442
|
537 syntax_error ("Menu must have a name", desc);
|
|
428
|
538
|
|
|
539 /* Apply filter if specified */
|
|
|
540 if (!NILP (pgui_item->filter))
|
|
|
541 desc = call1 (pgui_item->filter, desc);
|
|
|
542
|
|
|
543 /* Loop thru the desc's CDR and add items for each entry */
|
|
|
544 flush_right = 0;
|
|
|
545 EXTERNAL_LIST_LOOP (item_desc, desc)
|
|
|
546 {
|
|
|
547 if (NILP (XCAR (item_desc)))
|
|
|
548 {
|
|
|
549 /* Do not flush right menubar items when MS style compliant */
|
|
442
|
550 if (bar_p && !REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH)
|
|
428
|
551 flush_right = 1;
|
|
|
552 if (!populate_p)
|
|
|
553 checksum = HASH2 (checksum, LISP_HASH (Qnil));
|
|
|
554 }
|
|
|
555 else if (populate_p)
|
|
|
556 populate_menu_add_item (menu, path, hash_tab,
|
|
442
|
557 XCAR (item_desc), &accel_list,
|
|
|
558 flush_right, bar_p);
|
|
428
|
559 else
|
|
|
560 checksum = HASH2 (checksum,
|
|
|
561 checksum_menu_item (XCAR (item_desc)));
|
|
|
562 }
|
|
442
|
563
|
|
428
|
564 if (populate_p)
|
|
|
565 {
|
|
|
566 /* Remove the "(empty)" item, if there are other ones */
|
|
|
567 if (GetMenuItemCount (menu) > 1)
|
|
|
568 RemoveMenu (menu, EMPTY_ITEM_ID, MF_BYCOMMAND);
|
|
|
569
|
|
|
570 /* Add the header to the popup, if told so. The same as in X - an
|
|
|
571 insensitive item, and a separator (Seems to me, there were
|
|
442
|
572 two separators in X... In Windows this looks ugly, anyways.) */
|
|
|
573 if (!bar_p && !deep_p && popup_menu_titles && !NILP (pgui_item->name))
|
|
428
|
574 {
|
|
|
575 CHECK_STRING (pgui_item->name);
|
|
|
576 InsertMenu (menu, 0, MF_BYPOSITION | MF_STRING | MF_DISABLED,
|
|
442
|
577 0, displayable_menu_item (gui_item, bar_p, NULL));
|
|
428
|
578 InsertMenu (menu, 1, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
|
|
442
|
579 if (xSetMenuDefaultItem) /* not in NT 3.5x */
|
|
|
580 xSetMenuDefaultItem (menu, 0, MF_BYPOSITION);
|
|
428
|
581 }
|
|
|
582 }
|
|
442
|
583
|
|
|
584 if (bar_p)
|
|
|
585 Fputhash (Qt, accel_list, hash_tab);
|
|
|
586
|
|
|
587 UNGCPRO;
|
|
428
|
588 return checksum;
|
|
|
589 }
|
|
|
590
|
|
|
591 static void
|
|
|
592 populate_menu (HMENU menu, Lisp_Object path, Lisp_Object desc,
|
|
442
|
593 Lisp_Object hash_tab, int bar_p)
|
|
428
|
594 {
|
|
|
595 populate_or_checksum_helper (menu, path, desc, hash_tab, bar_p, 1);
|
|
|
596 }
|
|
|
597
|
|
|
598 static unsigned long
|
|
|
599 checksum_menu (Lisp_Object desc)
|
|
|
600 {
|
|
|
601 return populate_or_checksum_helper (NULL, Qnil, desc, Qunbound, 0, 0);
|
|
|
602 }
|
|
|
603
|
|
|
604 static void
|
|
442
|
605 update_frame_menubar_maybe (struct frame *f)
|
|
428
|
606 {
|
|
|
607 HMENU menubar = GetMenu (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
608 struct window *w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
|
|
|
609 Lisp_Object desc = (!NILP (w->menubar_visible_p)
|
|
|
610 ? symbol_value_in_buffer (Qcurrent_menubar, w->buffer)
|
|
|
611 : Qnil);
|
|
442
|
612 struct gcpro gcpro1;
|
|
|
613
|
|
|
614 GCPRO1 (desc); /* it's safest to do this, just in case some filter
|
|
|
615 or something changes the value of current-menubar */
|
|
428
|
616
|
|
|
617 top_level_menu = menubar;
|
|
|
618
|
|
|
619 if (NILP (desc) && menubar != NULL)
|
|
|
620 {
|
|
|
621 /* Menubar has gone */
|
|
442
|
622 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) = Qnil;
|
|
428
|
623 SetMenu (FRAME_MSWINDOWS_HANDLE (f), NULL);
|
|
|
624 DestroyMenu (menubar);
|
|
|
625 DrawMenuBar (FRAME_MSWINDOWS_HANDLE (f));
|
|
442
|
626 UNGCPRO;
|
|
428
|
627 return;
|
|
|
628 }
|
|
|
629
|
|
|
630 if (!NILP (desc) && menubar == NULL)
|
|
|
631 {
|
|
|
632 /* Menubar has appeared */
|
|
|
633 menubar = CreateMenu ();
|
|
|
634 goto populate;
|
|
|
635 }
|
|
|
636
|
|
|
637 if (NILP (desc))
|
|
|
638 {
|
|
|
639 /* We did not have the bar and are not going to */
|
|
442
|
640 UNGCPRO;
|
|
428
|
641 return;
|
|
|
642 }
|
|
|
643
|
|
|
644 /* Now we bail out if the menubar has not changed */
|
|
442
|
645 if (FRAME_MSWINDOWS_MENU_CHECKSUM (f) == checksum_menu (desc))
|
|
|
646 {
|
|
|
647 UNGCPRO;
|
|
|
648 return;
|
|
|
649 }
|
|
428
|
650
|
|
|
651 populate:
|
|
|
652 /* Come with empty hash table */
|
|
442
|
653 if (NILP (FRAME_MSWINDOWS_MENU_HASH_TABLE (f)))
|
|
|
654 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) =
|
|
428
|
655 make_lisp_hash_table (50, HASH_TABLE_NON_WEAK, HASH_TABLE_EQUAL);
|
|
|
656 else
|
|
442
|
657 Fclrhash (FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
658
|
|
|
659 Fputhash (hmenu_to_lisp_object (menubar), Qnil,
|
|
442
|
660 FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
661 populate_menu (menubar, Qnil, desc,
|
|
442
|
662 FRAME_MSWINDOWS_MENU_HASH_TABLE (f), 1);
|
|
428
|
663 SetMenu (FRAME_MSWINDOWS_HANDLE (f), menubar);
|
|
|
664 DrawMenuBar (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
665
|
|
442
|
666 FRAME_MSWINDOWS_MENU_CHECKSUM (f) = checksum_menu (desc);
|
|
|
667
|
|
|
668 UNGCPRO;
|
|
428
|
669 }
|
|
|
670
|
|
|
671 static void
|
|
|
672 prune_menubar (struct frame *f)
|
|
|
673 {
|
|
|
674 HMENU menubar = GetMenu (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
675 Lisp_Object desc = current_frame_menubar (f);
|
|
442
|
676 struct gcpro gcpro1;
|
|
|
677
|
|
428
|
678 if (menubar == NULL)
|
|
|
679 return;
|
|
|
680
|
|
|
681 /* #### If a filter function has set desc to Qnil, this abort()
|
|
|
682 triggers. To resolve, we must prevent filters explicitly from
|
|
|
683 mangling with the active menu. In apply_filter probably?
|
|
|
684 Is copy-tree on the whole menu too expensive? */
|
|
442
|
685 if (NILP (desc))
|
|
428
|
686 /* abort(); */
|
|
|
687 return;
|
|
|
688
|
|
442
|
689 GCPRO1 (desc); /* just to be safe -- see above */
|
|
428
|
690 /* We do the trick by removing all items and re-populating top level */
|
|
|
691 empty_menu (menubar, 0);
|
|
|
692
|
|
442
|
693 assert (HASH_TABLEP (FRAME_MSWINDOWS_MENU_HASH_TABLE (f)));
|
|
|
694 Fclrhash (FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
695
|
|
|
696 Fputhash (hmenu_to_lisp_object (menubar), Qnil,
|
|
442
|
697 FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
|
698 populate_menu (menubar, Qnil, desc,
|
|
|
699 FRAME_MSWINDOWS_MENU_HASH_TABLE (f), 1);
|
|
|
700 UNGCPRO;
|
|
428
|
701 }
|
|
|
702
|
|
|
703 /*
|
|
|
704 * This is called when cleanup is possible. It is better not to
|
|
|
705 * clean things up at all than do it too early!
|
|
|
706 */
|
|
|
707 static void
|
|
|
708 menu_cleanup (struct frame *f)
|
|
|
709 {
|
|
|
710 /* This function can GC */
|
|
|
711 current_menudesc = Qnil;
|
|
|
712 current_hash_table = Qnil;
|
|
|
713 prune_menubar (f);
|
|
|
714 }
|
|
442
|
715
|
|
|
716 int
|
|
|
717 mswindows_char_is_accelerator (struct frame *f, Emchar ch)
|
|
|
718 {
|
|
|
719 Lisp_Object hash = FRAME_MSWINDOWS_MENU_HASH_TABLE (f);
|
|
|
720
|
|
|
721 if (NILP (hash))
|
|
|
722 return 0;
|
|
|
723 /* !!#### not Mule-ized */
|
|
|
724 return !NILP (memq_no_quit (make_char (tolower (ch)),
|
|
|
725 Fgethash (Qt, hash, Qnil)));
|
|
|
726 }
|
|
|
727
|
|
428
|
728
|
|
|
729 /*------------------------------------------------------------------------*/
|
|
|
730 /* Message handlers */
|
|
|
731 /*------------------------------------------------------------------------*/
|
|
|
732 static Lisp_Object
|
|
442
|
733 unsafe_handle_wm_initmenupopup_1 (HMENU menu, struct frame *f)
|
|
428
|
734 {
|
|
|
735 /* This function can call lisp, beat dogs and stick chewing gum to
|
|
|
736 everything! */
|
|
|
737
|
|
|
738 Lisp_Object path, desc;
|
|
|
739 struct gcpro gcpro1;
|
|
|
740
|
|
|
741 /* Find which guy is going to explode */
|
|
|
742 path = Fgethash (hmenu_to_lisp_object (menu), current_hash_table, Qunbound);
|
|
|
743 assert (!UNBOUNDP (path));
|
|
|
744 #ifdef DEBUG_XEMACS
|
|
|
745 /* Allow to continue in a debugger after assert - not so fatal */
|
|
|
746 if (UNBOUNDP (path))
|
|
|
747 error ("internal menu error");
|
|
|
748 #endif
|
|
|
749
|
|
|
750 /* Now find a desc chunk for it. If none, then probably menu open
|
|
|
751 hook has played too much games around stuff */
|
|
|
752 desc = Fmenu_find_real_submenu (current_menudesc, path);
|
|
|
753 if (NILP (desc))
|
|
|
754 signal_simple_error ("This menu does not exist any more", path);
|
|
|
755
|
|
|
756 /* Now, stuff it */
|
|
|
757 /* DESC may be generated by filter, so we have to gcpro it */
|
|
|
758 GCPRO1 (desc);
|
|
|
759 populate_menu (menu, path, desc, current_hash_table, 0);
|
|
|
760 UNGCPRO;
|
|
|
761 return Qt;
|
|
|
762 }
|
|
|
763
|
|
|
764 static Lisp_Object
|
|
442
|
765 unsafe_handle_wm_initmenu_1 (struct frame *f)
|
|
428
|
766 {
|
|
|
767 /* This function can call lisp */
|
|
|
768
|
|
|
769 /* NOTE: This is called for the bar only, WM_INITMENU
|
|
|
770 for popups is filtered out */
|
|
|
771
|
|
|
772 /* #### - this menubar update mechanism is expensively anti-social and
|
|
|
773 the activate-menubar-hook is now mostly obsolete. */
|
|
|
774
|
|
|
775 /* We simply ignore return value. In any case, we construct the bar
|
|
|
776 on the fly */
|
|
|
777 run_hook (Qactivate_menubar_hook);
|
|
|
778
|
|
|
779 update_frame_menubar_maybe (f);
|
|
|
780
|
|
|
781 current_menudesc = current_frame_menubar (f);
|
|
442
|
782 current_hash_table = FRAME_MSWINDOWS_MENU_HASH_TABLE (f);
|
|
428
|
783 assert (HASH_TABLEP (current_hash_table));
|
|
|
784
|
|
|
785 return Qt;
|
|
|
786 }
|
|
|
787
|
|
|
788 /*
|
|
|
789 * Return value is Qt if we have dispatched the command,
|
|
|
790 * or Qnil if id has not been mapped to a callback.
|
|
|
791 * Window procedure may try other targets to route the
|
|
|
792 * command if we return nil
|
|
|
793 */
|
|
|
794 Lisp_Object
|
|
442
|
795 mswindows_handle_wm_command (struct frame *f, WORD id)
|
|
428
|
796 {
|
|
|
797 /* Try to map the command id through the proper hash table */
|
|
|
798 Lisp_Object data, fn, arg, frame;
|
|
|
799 struct gcpro gcpro1;
|
|
|
800
|
|
|
801 if (NILP (current_hash_table))
|
|
|
802 return Qnil;
|
|
|
803
|
|
|
804 data = Fgethash (make_int (id), current_hash_table, Qunbound);
|
|
|
805
|
|
|
806 if (UNBOUNDP (data))
|
|
|
807 {
|
|
|
808 menu_cleanup (f);
|
|
|
809 return Qnil;
|
|
|
810 }
|
|
|
811
|
|
|
812 /* Need to gcpro because the hash table may get destroyed by
|
|
|
813 menu_cleanup(), and will not gcpro the data any more */
|
|
|
814 GCPRO1 (data);
|
|
|
815 menu_cleanup (f);
|
|
|
816
|
|
|
817 /* Ok, this is our one. Enqueue it. */
|
|
|
818 get_gui_callback (data, &fn, &arg);
|
|
|
819 XSETFRAME (frame, f);
|
|
|
820 /* this used to call mswindows_enqueue_misc_user_event but that
|
|
|
821 breaks customize because the misc_event gets eval'ed in some
|
|
442
|
822 circumstances. Don't change it back unless you can fix the
|
|
428
|
823 customize problem also.*/
|
|
|
824 enqueue_misc_user_event (frame, fn, arg);
|
|
|
825 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
826
|
|
|
827 UNGCPRO; /* data */
|
|
|
828 return Qt;
|
|
|
829 }
|
|
|
830
|
|
|
831
|
|
|
832 /*------------------------------------------------------------------------*/
|
|
|
833 /* Message handling proxies */
|
|
|
834 /*------------------------------------------------------------------------*/
|
|
|
835
|
|
|
836 static HMENU wm_initmenu_menu;
|
|
442
|
837 static struct frame *wm_initmenu_frame;
|
|
428
|
838
|
|
|
839 static Lisp_Object
|
|
|
840 unsafe_handle_wm_initmenupopup (Lisp_Object u_n_u_s_e_d)
|
|
|
841 {
|
|
|
842 return unsafe_handle_wm_initmenupopup_1 (wm_initmenu_menu, wm_initmenu_frame);
|
|
|
843 }
|
|
|
844
|
|
|
845 static Lisp_Object
|
|
|
846 unsafe_handle_wm_initmenu (Lisp_Object u_n_u_s_e_d)
|
|
|
847 {
|
|
|
848 return unsafe_handle_wm_initmenu_1 (wm_initmenu_frame);
|
|
|
849 }
|
|
|
850
|
|
|
851 Lisp_Object
|
|
442
|
852 mswindows_handle_wm_initmenupopup (HMENU hmenu, struct frame *frm)
|
|
428
|
853 {
|
|
|
854 /* We cannot pass hmenu as a lisp object. Use static var */
|
|
|
855 wm_initmenu_menu = hmenu;
|
|
|
856 wm_initmenu_frame = frm;
|
|
|
857 return mswindows_protect_modal_loop (unsafe_handle_wm_initmenupopup, Qnil);
|
|
|
858 }
|
|
|
859
|
|
|
860 Lisp_Object
|
|
442
|
861 mswindows_handle_wm_initmenu (HMENU hmenu, struct frame *f)
|
|
428
|
862 {
|
|
|
863 /* Handle only frame menubar, ignore if from popup or system menu */
|
|
442
|
864 if (GetMenu (FRAME_MSWINDOWS_HANDLE (f)) == hmenu)
|
|
428
|
865 {
|
|
|
866 wm_initmenu_frame = f;
|
|
|
867 return mswindows_protect_modal_loop (unsafe_handle_wm_initmenu, Qnil);
|
|
|
868 }
|
|
|
869 return Qt;
|
|
|
870 }
|
|
|
871
|
|
|
872
|
|
|
873 /*------------------------------------------------------------------------*/
|
|
|
874 /* Methods */
|
|
|
875 /*------------------------------------------------------------------------*/
|
|
|
876
|
|
|
877 static void
|
|
442
|
878 mswindows_update_frame_menubars (struct frame *f)
|
|
428
|
879 {
|
|
|
880 update_frame_menubar_maybe (f);
|
|
|
881 }
|
|
|
882
|
|
|
883 static void
|
|
442
|
884 mswindows_free_frame_menubars (struct frame *f)
|
|
428
|
885 {
|
|
442
|
886 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) = Qnil;
|
|
428
|
887 }
|
|
|
888
|
|
|
889 static void
|
|
|
890 mswindows_popup_menu (Lisp_Object menu_desc, Lisp_Object event)
|
|
|
891 {
|
|
|
892 struct frame *f = selected_frame ();
|
|
440
|
893 Lisp_Event *eev = NULL;
|
|
428
|
894 HMENU menu;
|
|
|
895 POINT pt;
|
|
|
896 int ok;
|
|
442
|
897 struct gcpro gcpro1;
|
|
|
898
|
|
|
899 GCPRO1 (menu_desc); /* to be safe -- see above */
|
|
428
|
900
|
|
|
901 if (!NILP (event))
|
|
|
902 {
|
|
|
903 CHECK_LIVE_EVENT (event);
|
|
|
904 eev = XEVENT (event);
|
|
|
905 if (eev->event_type != button_press_event
|
|
|
906 && eev->event_type != button_release_event)
|
|
|
907 wrong_type_argument (Qmouse_event_p, event);
|
|
|
908 }
|
|
|
909 else if (!NILP (Vthis_command_keys))
|
|
|
910 {
|
|
|
911 /* if an event wasn't passed, use the last event of the event sequence
|
|
|
912 currently being executed, if that event is a mouse event */
|
|
|
913 eev = XEVENT (Vthis_command_keys); /* last event first */
|
|
|
914 if (eev->event_type != button_press_event
|
|
|
915 && eev->event_type != button_release_event)
|
|
|
916 eev = NULL;
|
|
|
917 }
|
|
|
918
|
|
|
919 /* Default is to put the menu at the point (10, 10) in frame */
|
|
|
920 if (eev)
|
|
|
921 {
|
|
|
922 pt.x = eev->event.button.x;
|
|
|
923 pt.y = eev->event.button.y;
|
|
|
924 ClientToScreen (FRAME_MSWINDOWS_HANDLE (f), &pt);
|
|
|
925 }
|
|
|
926 else
|
|
|
927 pt.x = pt.y = 10;
|
|
|
928
|
|
|
929 if (SYMBOLP (menu_desc))
|
|
|
930 menu_desc = Fsymbol_value (menu_desc);
|
|
|
931 CHECK_CONS (menu_desc);
|
|
|
932 CHECK_STRING (XCAR (menu_desc));
|
|
|
933
|
|
|
934 current_menudesc = menu_desc;
|
|
|
935 current_hash_table =
|
|
|
936 make_lisp_hash_table (10, HASH_TABLE_NON_WEAK, HASH_TABLE_EQUAL);
|
|
442
|
937 menu = create_empty_popup_menu ();
|
|
428
|
938 Fputhash (hmenu_to_lisp_object (menu), Qnil, current_hash_table);
|
|
|
939 top_level_menu = menu;
|
|
442
|
940
|
|
428
|
941 /* see comments in menubar-x.c */
|
|
|
942 if (zmacs_regions)
|
|
|
943 zmacs_region_stays = 1;
|
|
442
|
944
|
|
428
|
945 ok = TrackPopupMenu (menu,
|
|
|
946 TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
|
|
|
947 pt.x, pt.y, 0,
|
|
|
948 FRAME_MSWINDOWS_HANDLE (f), NULL);
|
|
|
949
|
|
|
950 DestroyMenu (menu);
|
|
|
951
|
|
|
952 /* Signal a signal if caught by Track...() modal loop */
|
|
|
953 mswindows_unmodalize_signal_maybe ();
|
|
|
954
|
|
|
955 /* This is probably the only real reason for failure */
|
|
442
|
956 if (!ok)
|
|
|
957 {
|
|
|
958 menu_cleanup (f);
|
|
|
959 signal_simple_error ("Cannot track popup menu while in menu",
|
|
|
960 menu_desc);
|
|
|
961 }
|
|
|
962 UNGCPRO;
|
|
428
|
963 }
|
|
|
964
|
|
|
965
|
|
|
966 /*------------------------------------------------------------------------*/
|
|
|
967 /* Initialization */
|
|
|
968 /*------------------------------------------------------------------------*/
|
|
|
969 void
|
|
|
970 syms_of_menubar_mswindows (void)
|
|
|
971 {
|
|
|
972 }
|
|
|
973
|
|
|
974 void
|
|
|
975 console_type_create_menubar_mswindows (void)
|
|
|
976 {
|
|
|
977 CONSOLE_HAS_METHOD (mswindows, update_frame_menubars);
|
|
|
978 CONSOLE_HAS_METHOD (mswindows, free_frame_menubars);
|
|
|
979 CONSOLE_HAS_METHOD (mswindows, popup_menu);
|
|
|
980 }
|
|
|
981
|
|
|
982 void
|
|
|
983 vars_of_menubar_mswindows (void)
|
|
|
984 {
|
|
|
985 current_menudesc = Qnil;
|
|
|
986 current_hash_table = Qnil;
|
|
|
987
|
|
|
988 staticpro (¤t_menudesc);
|
|
|
989 staticpro (¤t_hash_table);
|
|
|
990 }
|
