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