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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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826
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5 Copyright (C) 2000, 2001, 2002 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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771
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26 /* This function mostly Mule-ized (except perhaps some Unicode splitting).
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27 5-2000. */
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28
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428
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29 /* Author:
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30 Initially written by kkm 12/24/97,
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31 peeking into and copying stuff from menubar-x.c
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32 */
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33
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34 /* Algorithm for handling menus is as follows. When window's menubar
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35 * is created, current-menubar is not traversed in depth. Rather, only
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36 * top level items, both items and pulldowns, are added to the
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37 * menubar. Each pulldown is initially empty. When a pulldown is
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38 * selected and about to open, corresponding element of
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39 * current-menubar is found, and the newly open pulldown is
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40 * populated. This is made again in the same non-recursive manner.
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41 *
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42 * This algorithm uses hash tables to find out element of the menu
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43 * descriptor list given menu handle. The key is an opaque ptr data
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44 * type, keeping menu handle, and the value is a list of strings
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45 * representing the path from the root of the menu to the item
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46 * descriptor. Each frame has an associated hash table.
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47 *
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48 * Leaf items are assigned a unique id based on item's hash. When an
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49 * item is selected, Windows sends back the id. Unfortunately, only
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50 * low 16 bit of the ID are sent, and there's no way to get the 32-bit
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51 * value. Yes, Win32 is just a different set of bugs than X! Aside
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52 * from this blame, another hashing mechanism is required to map menu
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53 * ids to commands (which are actually Lisp_Object's). This mapping is
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54 * performed in the same hash table, as the lifetime of both maps is
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55 * exactly the same. This is unambigous, as menu handles are
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56 * represented by lisp opaques, while command ids are by lisp
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57 * integers. The additional advantage for this is that command forms
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58 * are automatically GC-protected, which is important because these
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59 * may be transient forms generated by :filter functions.
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60 *
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61 * The hash table is not allowed to grow too much; it is pruned
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62 * whenever this is safe to do. This is done by re-creating the menu
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63 * bar, and clearing and refilling the hash table from scratch.
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64 *
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65 * Popup menus are handled identically to pulldowns. A static hash
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66 * table is used for popup menus, and lookup is made not in
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67 * current-menubar but in a lisp form supplied to the `popup'
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68 * function.
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69 *
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70 * Another Windows weirdness is that there's no way to tell that a
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71 * popup has been dismissed without making selection. We need to know
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72 * that to cleanup the popup menu hash table, but this is not honestly
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73 * doable using *documented* sequence of messages. Sticking to
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74 * particular knowledge is bad because this may break in Windows NT
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75 * 5.0, or Windows 98, or other future version. Instead, I allow the
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76 * hash tables to hang around, and not clear them, unless WM_COMMAND is
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442
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77 * received. This is worth some memory but more safe. Hacks welcome,
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428
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78 * anyways!
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79 *
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80 */
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81
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82 #include <config.h>
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83 #include "lisp.h"
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84
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85 #include "buffer.h"
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86 #include "commands.h"
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87 #include "console-msw.h"
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88 #include "elhash.h"
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89 #include "events.h"
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90 #include "frame.h"
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91 #include "gui.h"
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92 #include "lisp.h"
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93 #include "menubar.h"
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94 #include "menubar-msw.h"
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95 #include "opaque.h"
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96 #include "window.h"
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97
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98 /* #### */
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442
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99 #define REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH 0
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428
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100
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101 #define EMPTY_ITEM_ID ((UINT)LISP_TO_VOID (Qunbound))
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771
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102 #define EMPTY_ITEM_NAME "(empty)" /* WARNING: uses of this need XETEXT */
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428
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103
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104 /* Current menu (bar or popup) descriptor. gcpro'ed */
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105 static Lisp_Object current_menudesc;
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106
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107 /* Current menubar or popup hash table. gcpro'ed */
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108 static Lisp_Object current_hash_table;
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109
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110 /* This is used to allocate unique ids to menu items.
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111 Items ids are in MENU_ITEM_ID_MIN to MENU_ITEM_ID_MAX.
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112 Allocation checks that the item is not already in
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113 the TOP_LEVEL_MENU */
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114
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115 /* #### defines go to gui-msw.h, as the range is shared with toolbars
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116 (If only toolbars will be implemented as common controls) */
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117 #define MENU_ITEM_ID_MIN 0x8000
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118 #define MENU_ITEM_ID_MAX 0xFFFF
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119 #define MENU_ITEM_ID_BITS(x) (((x) & 0x7FFF) | 0x8000)
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120 static HMENU top_level_menu;
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121
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122 /*
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771
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123 * Translate X accelerator syntax to win32 accelerator syntax.
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442
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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 */
|
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771
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136
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137 Lisp_Object
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138 mswindows_translate_menu_or_dialog_item (Lisp_Object item, Emchar *accel)
|
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442
|
139 {
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771
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140 Bytecount len = XSTRING_LENGTH (item);
|
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851
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141 Intbyte *it = (Intbyte *) ALLOCA (2 * len + 42), *ptr = it;
|
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442
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142
|
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771
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143 memcpy (ptr, XSTRING_DATA (item), len + 1);
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442
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144 if (accel)
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145 *accel = '\0';
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146
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147 /* Escape '&' as '&&' */
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771
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148
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149 while ((ptr = (Intbyte *) memchr (ptr, '&', len - (ptr - it))) != NULL)
|
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442
|
150 {
|
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771
|
151 memmove (ptr + 1, ptr, (len - (ptr - it)) + 1);
|
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442
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152 len++;
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153 ptr += 2;
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154 }
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155
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156 /* Replace XEmacs accelerator '%_' with Windows accelerator '&'
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157 and `%%' with `%'. */
|
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771
|
158 ptr = it;
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|
159 while ((ptr = (Intbyte *) memchr (ptr, '%', len - (ptr - it))) != NULL)
|
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442
|
160 {
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161 if (*(ptr + 1) == '_')
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162 {
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163 if (accel)
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164 {
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165 *ptr = '&';
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166 if (!*accel)
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771
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167 *accel = DOWNCASE (0, charptr_emchar (ptr + 2));
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168 memmove (ptr + 1, ptr + 2, len - (ptr - it + 2) + 1);
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442
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169 len--;
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170 }
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171 else /* Skip accelerator */
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172 {
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|
771
|
173 memmove (ptr, ptr + 2, len - (ptr - it + 2) + 1);
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174 len -= 2;
|
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442
|
175 }
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|
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176 }
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177 else if (*(ptr + 1) == '%')
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178 {
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771
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179 memmove (ptr + 1, ptr + 2, len - (ptr - it + 2) + 1);
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442
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180 len--;
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181 ptr++;
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182 }
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183 else /* % on its own - shouldn't happen */
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184 ptr++;
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185 }
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186
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187 if (accel && !*accel)
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188 {
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189 /* Force a default accelerator */
|
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771
|
190 ptr = it;
|
|
442
|
191 memmove (ptr + 1, ptr, len + 1);
|
|
771
|
192 *accel = DOWNCASE (0, charptr_emchar (ptr + 1));
|
|
442
|
193 *ptr = '&';
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|
194
|
|
|
195 len++;
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196 }
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197
|
|
771
|
198 return make_string (it, len);
|
|
442
|
199 }
|
|
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200
|
|
|
201 /*
|
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428
|
202 * This returns Windows-style menu item string:
|
|
|
203 * "Left Flush\tRight Flush"
|
|
|
204 */
|
|
442
|
205
|
|
771
|
206 static Lisp_Object
|
|
442
|
207 displayable_menu_item (Lisp_Object gui_item, int bar_p, Emchar *accel)
|
|
428
|
208 {
|
|
771
|
209 Lisp_Object left, right = Qnil;
|
|
428
|
210
|
|
|
211 /* Left flush part of the string */
|
|
771
|
212 left = gui_item_display_flush_left (gui_item);
|
|
428
|
213
|
|
771
|
214 left = mswindows_translate_menu_or_dialog_item (left, accel);
|
|
428
|
215
|
|
|
216 /* Right flush part, unless we're at the top-level where it's not allowed */
|
|
|
217 if (!bar_p)
|
|
771
|
218 right = gui_item_display_flush_right (gui_item);
|
|
442
|
219
|
|
771
|
220 if (!NILP (right))
|
|
|
221 return concat3 (left, build_string ("\t"), right);
|
|
|
222 else
|
|
|
223 return left;
|
|
428
|
224 }
|
|
|
225
|
|
|
226 /*
|
|
|
227 * hmenu_to_lisp_object() returns an opaque ptr given menu handle.
|
|
|
228 */
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|
|
229 static Lisp_Object
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|
|
230 hmenu_to_lisp_object (HMENU hmenu)
|
|
|
231 {
|
|
|
232 return make_opaque_ptr (hmenu);
|
|
|
233 }
|
|
|
234
|
|
|
235 /*
|
|
|
236 * Allocation tries a hash based on item's path and name first. This
|
|
|
237 * almost guarantees that the same item will override its old value in
|
|
|
238 * the hash table rather than abandon it.
|
|
|
239 */
|
|
|
240 static Lisp_Object
|
|
|
241 allocate_menu_item_id (Lisp_Object path, Lisp_Object name, Lisp_Object suffix)
|
|
|
242 {
|
|
|
243 UINT id = MENU_ITEM_ID_BITS (HASH3 (internal_hash (path, 0),
|
|
|
244 internal_hash (name, 0),
|
|
|
245 internal_hash (suffix, 0)));
|
|
|
246 do {
|
|
|
247 id = MENU_ITEM_ID_BITS (id + 1);
|
|
|
248 } while (GetMenuState (top_level_menu, id, MF_BYCOMMAND) != 0xFFFFFFFF);
|
|
|
249 return make_int (id);
|
|
|
250 }
|
|
|
251
|
|
|
252 static HMENU
|
|
|
253 create_empty_popup_menu (void)
|
|
|
254 {
|
|
|
255 return CreatePopupMenu ();
|
|
|
256 }
|
|
|
257
|
|
|
258 static void
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|
|
259 empty_menu (HMENU menu, int add_empty_p)
|
|
|
260 {
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|
|
261 while (DeleteMenu (menu, 0, MF_BYPOSITION));
|
|
|
262 if (add_empty_p)
|
|
771
|
263 qxeAppendMenu (menu, MF_STRING | MF_GRAYED, EMPTY_ITEM_ID,
|
|
|
264 XETEXT (EMPTY_ITEM_NAME));
|
|
428
|
265 }
|
|
|
266
|
|
|
267 /*
|
|
|
268 * The idea of checksumming is that we must hash minimal object
|
|
|
269 * which is necessarily changes when the item changes. For separator
|
|
|
270 * this is a constant, for grey strings and submenus these are hashes
|
|
|
271 * of names, since submenus are unpopulated until opened so always
|
|
|
272 * equal otherwise. For items, this is a full hash value of a callback,
|
|
|
273 * because a callback may me a form which can be changed only somewhere
|
|
|
274 * in depth.
|
|
|
275 */
|
|
|
276 static unsigned long
|
|
|
277 checksum_menu_item (Lisp_Object item)
|
|
|
278 {
|
|
|
279 if (STRINGP (item))
|
|
|
280 {
|
|
|
281 /* Separator or unselectable text - hash as a string + 13 */
|
|
|
282 if (separator_string_p (XSTRING_DATA (item)))
|
|
|
283 return 13;
|
|
|
284 else
|
|
|
285 return internal_hash (item, 0) + 13;
|
|
|
286 }
|
|
|
287 else if (CONSP (item))
|
|
|
288 {
|
|
|
289 /* Submenu - hash by its string name + 0 */
|
|
771
|
290 return internal_hash (XCAR (item), 0);
|
|
428
|
291 }
|
|
|
292 else if (VECTORP (item))
|
|
|
293 {
|
|
|
294 /* An ordinary item - hash its name and callback form. */
|
|
|
295 return HASH2 (internal_hash (XVECTOR_DATA(item)[0], 0),
|
|
|
296 internal_hash (XVECTOR_DATA(item)[1], 0));
|
|
|
297 }
|
|
442
|
298
|
|
428
|
299 /* An error - will be caught later */
|
|
|
300 return 0;
|
|
|
301 }
|
|
|
302
|
|
|
303 static void
|
|
|
304 populate_menu_add_item (HMENU menu, Lisp_Object path,
|
|
|
305 Lisp_Object hash_tab, Lisp_Object item,
|
|
442
|
306 Lisp_Object *accel_list,
|
|
428
|
307 int flush_right, int bar_p)
|
|
|
308 {
|
|
771
|
309 MENUITEMINFOW item_info;
|
|
428
|
310
|
|
|
311 item_info.cbSize = sizeof (item_info);
|
|
|
312 item_info.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
|
|
|
313 item_info.fState = 0;
|
|
|
314 item_info.wID = 0;
|
|
|
315 item_info.fType = 0;
|
|
|
316
|
|
|
317 if (STRINGP (item))
|
|
|
318 {
|
|
|
319 /* Separator or unselectable text */
|
|
|
320 if (separator_string_p (XSTRING_DATA (item)))
|
|
771
|
321 item_info.fType = MFT_SEPARATOR;
|
|
428
|
322 else
|
|
|
323 {
|
|
771
|
324 Extbyte *itemext;
|
|
|
325
|
|
428
|
326 item_info.fType = MFT_STRING;
|
|
|
327 item_info.fState = MFS_DISABLED;
|
|
771
|
328 LISP_STRING_TO_TSTR (item, itemext);
|
|
|
329 item_info.dwTypeData = (XELPTSTR) itemext;
|
|
428
|
330 }
|
|
|
331 }
|
|
|
332 else if (CONSP (item))
|
|
|
333 {
|
|
|
334 /* Submenu */
|
|
|
335 HMENU submenu;
|
|
|
336 Lisp_Object gui_item = allocate_gui_item ();
|
|
442
|
337 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
338 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
339 Emchar accel;
|
|
771
|
340 Extbyte *itemext;
|
|
428
|
341
|
|
442
|
342 GCPRO3 (gui_item, path, *accel_list);
|
|
428
|
343
|
|
|
344 menu_parse_submenu_keywords (item, gui_item);
|
|
|
345
|
|
|
346 if (!STRINGP (pgui_item->name))
|
|
563
|
347 invalid_argument ("Menu name (first element) must be a string",
|
|
442
|
348 item);
|
|
428
|
349
|
|
|
350 if (!gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
442
|
351 {
|
|
|
352 UNGCPRO;
|
|
|
353 goto done;
|
|
|
354 }
|
|
428
|
355
|
|
|
356 if (!gui_item_active_p (gui_item))
|
|
771
|
357 item_info.fState = MFS_GRAYED;
|
|
428
|
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 */
|
|
442
|
361 submenu = create_empty_popup_menu ();
|
|
428
|
362
|
|
|
363 item_info.fMask |= MIIM_SUBMENU;
|
|
771
|
364 LISP_STRING_TO_TSTR (displayable_menu_item (gui_item, bar_p, &accel),
|
|
|
365 itemext);
|
|
|
366 item_info.dwTypeData = (XELPTSTR) itemext;
|
|
428
|
367 item_info.hSubMenu = submenu;
|
|
442
|
368
|
|
|
369 if (accel && bar_p)
|
|
|
370 *accel_list = Fcons (make_char (accel), *accel_list);
|
|
428
|
371
|
|
|
372 if (!(item_info.fState & MFS_GRAYED))
|
|
|
373 {
|
|
|
374 /* Now add the full submenu path as a value to the hash table,
|
|
|
375 keyed by menu handle */
|
|
|
376 if (NILP(path))
|
|
|
377 path = list1 (pgui_item->name);
|
|
|
378 else
|
|
|
379 {
|
|
|
380 Lisp_Object arg[2];
|
|
|
381 arg[0] = path;
|
|
|
382 arg[1] = list1 (pgui_item->name);
|
|
|
383 path = Fappend (2, arg);
|
|
|
384 }
|
|
|
385
|
|
|
386 Fputhash (hmenu_to_lisp_object (submenu), path, hash_tab);
|
|
|
387 }
|
|
442
|
388 UNGCPRO;
|
|
|
389 }
|
|
428
|
390 else if (VECTORP (item))
|
|
|
391 {
|
|
|
392 /* An ordinary item */
|
|
|
393 Lisp_Object style, id;
|
|
|
394 Lisp_Object gui_item = gui_parse_item_keywords (item);
|
|
442
|
395 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
396 struct gcpro gcpro1, gcpro2;
|
|
|
397 Emchar accel;
|
|
771
|
398 Extbyte *itemext;
|
|
428
|
399
|
|
442
|
400 GCPRO2 (gui_item, *accel_list);
|
|
428
|
401
|
|
|
402 if (!gui_item_included_p (gui_item, Vmenubar_configuration))
|
|
442
|
403 {
|
|
|
404 UNGCPRO;
|
|
|
405 goto done;
|
|
|
406 }
|
|
|
407
|
|
|
408 if (!STRINGP (pgui_item->name))
|
|
|
409 pgui_item->name = Feval (pgui_item->name);
|
|
428
|
410
|
|
|
411 if (!gui_item_active_p (gui_item))
|
|
771
|
412 item_info.fState = MFS_GRAYED;
|
|
428
|
413
|
|
|
414 style = (NILP (pgui_item->selected) || NILP (Feval (pgui_item->selected))
|
|
|
415 ? Qnil : pgui_item->style);
|
|
|
416
|
|
|
417 if (EQ (style, Qradio))
|
|
|
418 {
|
|
|
419 item_info.fType |= MFT_RADIOCHECK;
|
|
|
420 item_info.fState |= MFS_CHECKED;
|
|
|
421 }
|
|
|
422 else if (EQ (style, Qtoggle))
|
|
771
|
423 item_info.fState |= MFS_CHECKED;
|
|
428
|
424
|
|
|
425 id = allocate_menu_item_id (path, pgui_item->name,
|
|
|
426 pgui_item->suffix);
|
|
|
427 Fputhash (id, pgui_item->callback, hash_tab);
|
|
|
428
|
|
442
|
429 item_info.wID = (UINT) XINT (id);
|
|
428
|
430 item_info.fType |= MFT_STRING;
|
|
771
|
431 LISP_STRING_TO_TSTR (displayable_menu_item (gui_item, bar_p, &accel),
|
|
|
432 itemext);
|
|
|
433 item_info.dwTypeData = (XELPTSTR) itemext;
|
|
428
|
434
|
|
442
|
435 if (accel && bar_p)
|
|
|
436 *accel_list = Fcons (make_char (accel), *accel_list);
|
|
|
437
|
|
|
438 UNGCPRO;
|
|
428
|
439 }
|
|
|
440 else
|
|
563
|
441 sferror ("Malformed menu item descriptor", item);
|
|
428
|
442
|
|
|
443 if (flush_right)
|
|
771
|
444 item_info.fType |= MFT_RIGHTJUSTIFY;
|
|
428
|
445
|
|
771
|
446 qxeInsertMenuItem (menu, UINT_MAX, TRUE, &item_info);
|
|
442
|
447
|
|
|
448 done:;
|
|
|
449 }
|
|
428
|
450
|
|
|
451 /*
|
|
|
452 * This function is called from populate_menu and checksum_menu.
|
|
|
453 * When called to populate, MENU is a menu handle, PATH is a
|
|
|
454 * list of strings representing menu path from root to this submenu,
|
|
|
455 * DESCRIPTOR is a menu descriptor, HASH_TAB is a hash table associated
|
|
|
456 * with root menu, BAR_P indicates whether this called for a menubar or
|
|
|
457 * a popup, and POPULATE_P is non-zero. Return value must be ignored.
|
|
|
458 * When called to checksum, DESCRIPTOR has the same meaning, POPULATE_P
|
|
|
459 * is zero, PATH must be Qnil, and the rest of parameters is ignored.
|
|
|
460 * Return value is the menu checksum.
|
|
|
461 */
|
|
|
462 static unsigned long
|
|
|
463 populate_or_checksum_helper (HMENU menu, Lisp_Object path, Lisp_Object desc,
|
|
|
464 Lisp_Object hash_tab, int bar_p, int populate_p)
|
|
|
465 {
|
|
|
466 Lisp_Object item_desc;
|
|
|
467 int deep_p, flush_right;
|
|
442
|
468 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
428
|
469 unsigned long checksum;
|
|
|
470 Lisp_Object gui_item = allocate_gui_item ();
|
|
442
|
471 Lisp_Object accel_list = Qnil;
|
|
|
472 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
|
|
|
473
|
|
|
474 GCPRO3 (gui_item, accel_list, desc);
|
|
428
|
475
|
|
|
476 /* We are sometimes called with the menubar unchanged, and with changed
|
|
|
477 right flush. We have to update the menubar in this case,
|
|
|
478 so account for the compliance setting in the hash value */
|
|
442
|
479 checksum = REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH;
|
|
428
|
480
|
|
|
481 /* Will initially contain only "(empty)" */
|
|
|
482 if (populate_p)
|
|
|
483 empty_menu (menu, 1);
|
|
|
484
|
|
|
485 /* PATH set to nil indicates top-level popup or menubar */
|
|
|
486 deep_p = !NILP (path);
|
|
|
487
|
|
|
488 /* Fetch keywords prepending the item list */
|
|
|
489 desc = menu_parse_submenu_keywords (desc, gui_item);
|
|
|
490
|
|
|
491 /* Check that menu name is specified when expected */
|
|
|
492 if (NILP (pgui_item->name) && deep_p)
|
|
563
|
493 sferror ("Menu must have a name", desc);
|
|
428
|
494
|
|
|
495 /* Apply filter if specified */
|
|
|
496 if (!NILP (pgui_item->filter))
|
|
|
497 desc = call1 (pgui_item->filter, desc);
|
|
|
498
|
|
|
499 /* Loop thru the desc's CDR and add items for each entry */
|
|
|
500 flush_right = 0;
|
|
|
501 EXTERNAL_LIST_LOOP (item_desc, desc)
|
|
|
502 {
|
|
|
503 if (NILP (XCAR (item_desc)))
|
|
|
504 {
|
|
|
505 /* Do not flush right menubar items when MS style compliant */
|
|
442
|
506 if (bar_p && !REPLACE_ME_WITH_GLOBAL_VARIABLE_WHICH_CONTROLS_RIGHT_FLUSH)
|
|
428
|
507 flush_right = 1;
|
|
|
508 if (!populate_p)
|
|
|
509 checksum = HASH2 (checksum, LISP_HASH (Qnil));
|
|
|
510 }
|
|
|
511 else if (populate_p)
|
|
|
512 populate_menu_add_item (menu, path, hash_tab,
|
|
442
|
513 XCAR (item_desc), &accel_list,
|
|
|
514 flush_right, bar_p);
|
|
428
|
515 else
|
|
|
516 checksum = HASH2 (checksum,
|
|
|
517 checksum_menu_item (XCAR (item_desc)));
|
|
|
518 }
|
|
442
|
519
|
|
428
|
520 if (populate_p)
|
|
|
521 {
|
|
|
522 /* Remove the "(empty)" item, if there are other ones */
|
|
|
523 if (GetMenuItemCount (menu) > 1)
|
|
|
524 RemoveMenu (menu, EMPTY_ITEM_ID, MF_BYCOMMAND);
|
|
|
525
|
|
|
526 /* Add the header to the popup, if told so. The same as in X - an
|
|
|
527 insensitive item, and a separator (Seems to me, there were
|
|
442
|
528 two separators in X... In Windows this looks ugly, anyways.) */
|
|
|
529 if (!bar_p && !deep_p && popup_menu_titles && !NILP (pgui_item->name))
|
|
428
|
530 {
|
|
771
|
531 Extbyte *nameext;
|
|
|
532
|
|
|
533 LISP_STRING_TO_TSTR (displayable_menu_item (gui_item, bar_p, NULL),
|
|
|
534 nameext);
|
|
|
535 qxeInsertMenu (menu, 0, MF_BYPOSITION | MF_STRING | MF_DISABLED,
|
|
|
536 0, nameext);
|
|
|
537 qxeInsertMenu (menu, 1, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
|
|
|
538 SetMenuDefaultItem (menu, 0, MF_BYPOSITION);
|
|
428
|
539 }
|
|
|
540 }
|
|
442
|
541
|
|
|
542 if (bar_p)
|
|
|
543 Fputhash (Qt, accel_list, hash_tab);
|
|
|
544
|
|
|
545 UNGCPRO;
|
|
428
|
546 return checksum;
|
|
|
547 }
|
|
|
548
|
|
|
549 static void
|
|
|
550 populate_menu (HMENU menu, Lisp_Object path, Lisp_Object desc,
|
|
442
|
551 Lisp_Object hash_tab, int bar_p)
|
|
428
|
552 {
|
|
|
553 populate_or_checksum_helper (menu, path, desc, hash_tab, bar_p, 1);
|
|
|
554 }
|
|
|
555
|
|
|
556 static unsigned long
|
|
|
557 checksum_menu (Lisp_Object desc)
|
|
|
558 {
|
|
|
559 return populate_or_checksum_helper (NULL, Qnil, desc, Qunbound, 0, 0);
|
|
|
560 }
|
|
|
561
|
|
|
562 static void
|
|
442
|
563 update_frame_menubar_maybe (struct frame *f)
|
|
428
|
564 {
|
|
|
565 HMENU menubar = GetMenu (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
566 struct window *w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
|
|
|
567 Lisp_Object desc = (!NILP (w->menubar_visible_p)
|
|
|
568 ? symbol_value_in_buffer (Qcurrent_menubar, w->buffer)
|
|
|
569 : Qnil);
|
|
442
|
570 struct gcpro gcpro1;
|
|
|
571
|
|
|
572 GCPRO1 (desc); /* it's safest to do this, just in case some filter
|
|
|
573 or something changes the value of current-menubar */
|
|
428
|
574
|
|
|
575 top_level_menu = menubar;
|
|
|
576
|
|
|
577 if (NILP (desc) && menubar != NULL)
|
|
|
578 {
|
|
|
579 /* Menubar has gone */
|
|
442
|
580 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) = Qnil;
|
|
428
|
581 SetMenu (FRAME_MSWINDOWS_HANDLE (f), NULL);
|
|
|
582 DestroyMenu (menubar);
|
|
|
583 DrawMenuBar (FRAME_MSWINDOWS_HANDLE (f));
|
|
442
|
584 UNGCPRO;
|
|
428
|
585 return;
|
|
|
586 }
|
|
|
587
|
|
|
588 if (!NILP (desc) && menubar == NULL)
|
|
|
589 {
|
|
|
590 /* Menubar has appeared */
|
|
|
591 menubar = CreateMenu ();
|
|
|
592 goto populate;
|
|
|
593 }
|
|
|
594
|
|
|
595 if (NILP (desc))
|
|
|
596 {
|
|
|
597 /* We did not have the bar and are not going to */
|
|
442
|
598 UNGCPRO;
|
|
428
|
599 return;
|
|
|
600 }
|
|
|
601
|
|
|
602 /* Now we bail out if the menubar has not changed */
|
|
442
|
603 if (FRAME_MSWINDOWS_MENU_CHECKSUM (f) == checksum_menu (desc))
|
|
|
604 {
|
|
|
605 UNGCPRO;
|
|
|
606 return;
|
|
|
607 }
|
|
428
|
608
|
|
|
609 populate:
|
|
|
610 /* Come with empty hash table */
|
|
442
|
611 if (NILP (FRAME_MSWINDOWS_MENU_HASH_TABLE (f)))
|
|
|
612 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) =
|
|
428
|
613 make_lisp_hash_table (50, HASH_TABLE_NON_WEAK, HASH_TABLE_EQUAL);
|
|
|
614 else
|
|
442
|
615 Fclrhash (FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
616
|
|
|
617 Fputhash (hmenu_to_lisp_object (menubar), Qnil,
|
|
442
|
618 FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
619 populate_menu (menubar, Qnil, desc,
|
|
442
|
620 FRAME_MSWINDOWS_MENU_HASH_TABLE (f), 1);
|
|
428
|
621 SetMenu (FRAME_MSWINDOWS_HANDLE (f), menubar);
|
|
|
622 DrawMenuBar (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
623
|
|
442
|
624 FRAME_MSWINDOWS_MENU_CHECKSUM (f) = checksum_menu (desc);
|
|
|
625
|
|
|
626 UNGCPRO;
|
|
428
|
627 }
|
|
|
628
|
|
|
629 static void
|
|
|
630 prune_menubar (struct frame *f)
|
|
|
631 {
|
|
|
632 HMENU menubar = GetMenu (FRAME_MSWINDOWS_HANDLE (f));
|
|
|
633 Lisp_Object desc = current_frame_menubar (f);
|
|
442
|
634 struct gcpro gcpro1;
|
|
|
635
|
|
428
|
636 if (menubar == NULL)
|
|
|
637 return;
|
|
|
638
|
|
|
639 /* #### If a filter function has set desc to Qnil, this abort()
|
|
|
640 triggers. To resolve, we must prevent filters explicitly from
|
|
|
641 mangling with the active menu. In apply_filter probably?
|
|
|
642 Is copy-tree on the whole menu too expensive? */
|
|
442
|
643 if (NILP (desc))
|
|
428
|
644 /* abort(); */
|
|
|
645 return;
|
|
|
646
|
|
442
|
647 GCPRO1 (desc); /* just to be safe -- see above */
|
|
428
|
648 /* We do the trick by removing all items and re-populating top level */
|
|
|
649 empty_menu (menubar, 0);
|
|
|
650
|
|
442
|
651 assert (HASH_TABLEP (FRAME_MSWINDOWS_MENU_HASH_TABLE (f)));
|
|
|
652 Fclrhash (FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
428
|
653
|
|
|
654 Fputhash (hmenu_to_lisp_object (menubar), Qnil,
|
|
442
|
655 FRAME_MSWINDOWS_MENU_HASH_TABLE (f));
|
|
|
656 populate_menu (menubar, Qnil, desc,
|
|
|
657 FRAME_MSWINDOWS_MENU_HASH_TABLE (f), 1);
|
|
|
658 UNGCPRO;
|
|
428
|
659 }
|
|
|
660
|
|
|
661 /*
|
|
|
662 * This is called when cleanup is possible. It is better not to
|
|
|
663 * clean things up at all than do it too early!
|
|
|
664 */
|
|
|
665 static void
|
|
|
666 menu_cleanup (struct frame *f)
|
|
|
667 {
|
|
|
668 /* This function can GC */
|
|
|
669 current_menudesc = Qnil;
|
|
|
670 current_hash_table = Qnil;
|
|
|
671 prune_menubar (f);
|
|
|
672 }
|
|
442
|
673
|
|
|
674 int
|
|
|
675 mswindows_char_is_accelerator (struct frame *f, Emchar ch)
|
|
|
676 {
|
|
|
677 Lisp_Object hash = FRAME_MSWINDOWS_MENU_HASH_TABLE (f);
|
|
|
678
|
|
|
679 if (NILP (hash))
|
|
|
680 return 0;
|
|
771
|
681 return !NILP (memq_no_quit
|
|
|
682 (make_char
|
|
|
683 (DOWNCASE (WINDOW_XBUFFER (FRAME_SELECTED_XWINDOW (f)), ch)),
|
|
|
684 Fgethash (Qt, hash, Qnil)));
|
|
442
|
685 }
|
|
|
686
|
|
428
|
687
|
|
|
688 /*------------------------------------------------------------------------*/
|
|
|
689 /* Message handlers */
|
|
|
690 /*------------------------------------------------------------------------*/
|
|
|
691 static Lisp_Object
|
|
442
|
692 unsafe_handle_wm_initmenupopup_1 (HMENU menu, struct frame *f)
|
|
428
|
693 {
|
|
|
694 /* This function can call lisp, beat dogs and stick chewing gum to
|
|
|
695 everything! */
|
|
|
696
|
|
|
697 Lisp_Object path, desc;
|
|
|
698 struct gcpro gcpro1;
|
|
707
|
699
|
|
428
|
700 /* Find which guy is going to explode */
|
|
|
701 path = Fgethash (hmenu_to_lisp_object (menu), current_hash_table, Qunbound);
|
|
|
702 assert (!UNBOUNDP (path));
|
|
|
703 #ifdef DEBUG_XEMACS
|
|
|
704 /* Allow to continue in a debugger after assert - not so fatal */
|
|
|
705 if (UNBOUNDP (path))
|
|
563
|
706 signal_error (Qinternal_error, "internal menu error", Qunbound);
|
|
428
|
707 #endif
|
|
|
708
|
|
|
709 /* Now find a desc chunk for it. If none, then probably menu open
|
|
|
710 hook has played too much games around stuff */
|
|
|
711 desc = Fmenu_find_real_submenu (current_menudesc, path);
|
|
|
712 if (NILP (desc))
|
|
563
|
713 invalid_state ("This menu does not exist any more", path);
|
|
428
|
714
|
|
|
715 /* Now, stuff it */
|
|
|
716 /* DESC may be generated by filter, so we have to gcpro it */
|
|
|
717 GCPRO1 (desc);
|
|
|
718 populate_menu (menu, path, desc, current_hash_table, 0);
|
|
|
719 UNGCPRO;
|
|
|
720 return Qt;
|
|
|
721 }
|
|
|
722
|
|
|
723 static Lisp_Object
|
|
442
|
724 unsafe_handle_wm_initmenu_1 (struct frame *f)
|
|
428
|
725 {
|
|
|
726 /* This function can call lisp */
|
|
|
727
|
|
|
728 /* NOTE: This is called for the bar only, WM_INITMENU
|
|
|
729 for popups is filtered out */
|
|
|
730
|
|
|
731 /* #### - this menubar update mechanism is expensively anti-social and
|
|
|
732 the activate-menubar-hook is now mostly obsolete. */
|
|
|
733
|
|
|
734 /* We simply ignore return value. In any case, we construct the bar
|
|
|
735 on the fly */
|
|
|
736 run_hook (Qactivate_menubar_hook);
|
|
|
737
|
|
|
738 update_frame_menubar_maybe (f);
|
|
|
739
|
|
|
740 current_menudesc = current_frame_menubar (f);
|
|
442
|
741 current_hash_table = FRAME_MSWINDOWS_MENU_HASH_TABLE (f);
|
|
428
|
742 assert (HASH_TABLEP (current_hash_table));
|
|
|
743
|
|
|
744 return Qt;
|
|
|
745 }
|
|
|
746
|
|
|
747 /*
|
|
|
748 * Return value is Qt if we have dispatched the command,
|
|
|
749 * or Qnil if id has not been mapped to a callback.
|
|
|
750 * Window procedure may try other targets to route the
|
|
|
751 * command if we return nil
|
|
|
752 */
|
|
|
753 Lisp_Object
|
|
442
|
754 mswindows_handle_wm_command (struct frame *f, WORD id)
|
|
428
|
755 {
|
|
|
756 /* Try to map the command id through the proper hash table */
|
|
|
757 Lisp_Object data, fn, arg, frame;
|
|
|
758 struct gcpro gcpro1;
|
|
|
759
|
|
|
760 if (NILP (current_hash_table))
|
|
|
761 return Qnil;
|
|
|
762
|
|
|
763 data = Fgethash (make_int (id), current_hash_table, Qunbound);
|
|
|
764
|
|
|
765 if (UNBOUNDP (data))
|
|
|
766 {
|
|
|
767 menu_cleanup (f);
|
|
|
768 return Qnil;
|
|
|
769 }
|
|
|
770
|
|
|
771 /* Need to gcpro because the hash table may get destroyed by
|
|
|
772 menu_cleanup(), and will not gcpro the data any more */
|
|
|
773 GCPRO1 (data);
|
|
|
774 menu_cleanup (f);
|
|
|
775
|
|
|
776 /* Ok, this is our one. Enqueue it. */
|
|
|
777 get_gui_callback (data, &fn, &arg);
|
|
793
|
778 frame = wrap_frame (f);
|
|
428
|
779 /* this used to call mswindows_enqueue_misc_user_event but that
|
|
|
780 breaks customize because the misc_event gets eval'ed in some
|
|
442
|
781 circumstances. Don't change it back unless you can fix the
|
|
771
|
782 customize problem also. */
|
|
707
|
783 mswindows_enqueue_misc_user_event (frame, fn, arg);
|
|
428
|
784
|
|
|
785 UNGCPRO; /* data */
|
|
|
786 return Qt;
|
|
|
787 }
|
|
|
788
|
|
|
789
|
|
|
790 /*------------------------------------------------------------------------*/
|
|
|
791 /* Message handling proxies */
|
|
|
792 /*------------------------------------------------------------------------*/
|
|
|
793
|
|
|
794 static HMENU wm_initmenu_menu;
|
|
442
|
795 static struct frame *wm_initmenu_frame;
|
|
428
|
796
|
|
|
797 static Lisp_Object
|
|
|
798 unsafe_handle_wm_initmenupopup (Lisp_Object u_n_u_s_e_d)
|
|
|
799 {
|
|
|
800 return unsafe_handle_wm_initmenupopup_1 (wm_initmenu_menu, wm_initmenu_frame);
|
|
|
801 }
|
|
|
802
|
|
|
803 static Lisp_Object
|
|
|
804 unsafe_handle_wm_initmenu (Lisp_Object u_n_u_s_e_d)
|
|
|
805 {
|
|
|
806 return unsafe_handle_wm_initmenu_1 (wm_initmenu_frame);
|
|
|
807 }
|
|
|
808
|
|
|
809 Lisp_Object
|
|
442
|
810 mswindows_handle_wm_initmenupopup (HMENU hmenu, struct frame *frm)
|
|
428
|
811 {
|
|
|
812 /* We cannot pass hmenu as a lisp object. Use static var */
|
|
|
813 wm_initmenu_menu = hmenu;
|
|
|
814 wm_initmenu_frame = frm;
|
|
|
815 return mswindows_protect_modal_loop (unsafe_handle_wm_initmenupopup, Qnil);
|
|
|
816 }
|
|
|
817
|
|
|
818 Lisp_Object
|
|
442
|
819 mswindows_handle_wm_initmenu (HMENU hmenu, struct frame *f)
|
|
428
|
820 {
|
|
|
821 /* Handle only frame menubar, ignore if from popup or system menu */
|
|
442
|
822 if (GetMenu (FRAME_MSWINDOWS_HANDLE (f)) == hmenu)
|
|
428
|
823 {
|
|
|
824 wm_initmenu_frame = f;
|
|
|
825 return mswindows_protect_modal_loop (unsafe_handle_wm_initmenu, Qnil);
|
|
|
826 }
|
|
|
827 return Qt;
|
|
|
828 }
|
|
|
829
|
|
|
830
|
|
|
831 /*------------------------------------------------------------------------*/
|
|
|
832 /* Methods */
|
|
|
833 /*------------------------------------------------------------------------*/
|
|
|
834
|
|
|
835 static void
|
|
442
|
836 mswindows_update_frame_menubars (struct frame *f)
|
|
428
|
837 {
|
|
|
838 update_frame_menubar_maybe (f);
|
|
|
839 }
|
|
|
840
|
|
|
841 static void
|
|
442
|
842 mswindows_free_frame_menubars (struct frame *f)
|
|
428
|
843 {
|
|
442
|
844 FRAME_MSWINDOWS_MENU_HASH_TABLE (f) = Qnil;
|
|
428
|
845 }
|
|
|
846
|
|
|
847 static void
|
|
|
848 mswindows_popup_menu (Lisp_Object menu_desc, Lisp_Object event)
|
|
|
849 {
|
|
|
850 struct frame *f = selected_frame ();
|
|
440
|
851 Lisp_Event *eev = NULL;
|
|
428
|
852 HMENU menu;
|
|
|
853 POINT pt;
|
|
|
854 int ok;
|
|
442
|
855 struct gcpro gcpro1;
|
|
|
856
|
|
|
857 GCPRO1 (menu_desc); /* to be safe -- see above */
|
|
428
|
858
|
|
|
859 if (!NILP (event))
|
|
|
860 {
|
|
|
861 CHECK_LIVE_EVENT (event);
|
|
|
862 eev = XEVENT (event);
|
|
|
863 if (eev->event_type != button_press_event
|
|
|
864 && eev->event_type != button_release_event)
|
|
|
865 wrong_type_argument (Qmouse_event_p, event);
|
|
|
866 }
|
|
|
867 else if (!NILP (Vthis_command_keys))
|
|
|
868 {
|
|
|
869 /* if an event wasn't passed, use the last event of the event sequence
|
|
|
870 currently being executed, if that event is a mouse event */
|
|
|
871 eev = XEVENT (Vthis_command_keys); /* last event first */
|
|
|
872 if (eev->event_type != button_press_event
|
|
|
873 && eev->event_type != button_release_event)
|
|
|
874 eev = NULL;
|
|
|
875 }
|
|
|
876
|
|
707
|
877 popup_up_p++;
|
|
|
878
|
|
428
|
879 /* Default is to put the menu at the point (10, 10) in frame */
|
|
|
880 if (eev)
|
|
|
881 {
|
|
|
882 pt.x = eev->event.button.x;
|
|
|
883 pt.y = eev->event.button.y;
|
|
|
884 ClientToScreen (FRAME_MSWINDOWS_HANDLE (f), &pt);
|
|
|
885 }
|
|
|
886 else
|
|
|
887 pt.x = pt.y = 10;
|
|
|
888
|
|
|
889 if (SYMBOLP (menu_desc))
|
|
|
890 menu_desc = Fsymbol_value (menu_desc);
|
|
|
891 CHECK_CONS (menu_desc);
|
|
|
892 CHECK_STRING (XCAR (menu_desc));
|
|
|
893
|
|
707
|
894 menu_cleanup (f);
|
|
|
895
|
|
428
|
896 current_menudesc = menu_desc;
|
|
|
897 current_hash_table =
|
|
|
898 make_lisp_hash_table (10, HASH_TABLE_NON_WEAK, HASH_TABLE_EQUAL);
|
|
442
|
899 menu = create_empty_popup_menu ();
|
|
428
|
900 Fputhash (hmenu_to_lisp_object (menu), Qnil, current_hash_table);
|
|
|
901 top_level_menu = menu;
|
|
442
|
902
|
|
428
|
903 /* see comments in menubar-x.c */
|
|
|
904 if (zmacs_regions)
|
|
|
905 zmacs_region_stays = 1;
|
|
442
|
906
|
|
428
|
907 ok = TrackPopupMenu (menu,
|
|
|
908 TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
|
|
|
909 pt.x, pt.y, 0,
|
|
|
910 FRAME_MSWINDOWS_HANDLE (f), NULL);
|
|
|
911
|
|
|
912 DestroyMenu (menu);
|
|
|
913
|
|
707
|
914 /* A WM_COMMAND is not issued until TrackPopupMenu returns. This
|
|
|
915 makes setting popup_up_p fairly pointless since we cannot keep
|
|
|
916 the menu up and dispatch events. Furthermore, we seem to have
|
|
|
917 little control over what happens to the menu when we click. */
|
|
|
918 popup_up_p--;
|
|
|
919
|
|
|
920 /* Signal a signal if caught by Track...() modal loop. */
|
|
|
921 /* I think this is pointless, the code hasn't actually put us in a
|
|
|
922 modal loop at this time -- andyp. */
|
|
428
|
923 mswindows_unmodalize_signal_maybe ();
|
|
|
924
|
|
|
925 /* This is probably the only real reason for failure */
|
|
442
|
926 if (!ok)
|
|
|
927 {
|
|
|
928 menu_cleanup (f);
|
|
563
|
929 invalid_operation ("Cannot track popup menu while in menu",
|
|
|
930 menu_desc);
|
|
442
|
931 }
|
|
|
932 UNGCPRO;
|
|
428
|
933 }
|
|
|
934
|
|
|
935
|
|
|
936 /*------------------------------------------------------------------------*/
|
|
|
937 /* Initialization */
|
|
|
938 /*------------------------------------------------------------------------*/
|
|
|
939 void
|
|
|
940 syms_of_menubar_mswindows (void)
|
|
|
941 {
|
|
|
942 }
|
|
|
943
|
|
|
944 void
|
|
|
945 console_type_create_menubar_mswindows (void)
|
|
|
946 {
|
|
|
947 CONSOLE_HAS_METHOD (mswindows, update_frame_menubars);
|
|
|
948 CONSOLE_HAS_METHOD (mswindows, free_frame_menubars);
|
|
|
949 CONSOLE_HAS_METHOD (mswindows, popup_menu);
|
|
|
950 }
|
|
|
951
|
|
|
952 void
|
|
|
953 vars_of_menubar_mswindows (void)
|
|
|
954 {
|
|
|
955 current_menudesc = Qnil;
|
|
|
956 current_hash_table = Qnil;
|
|
|
957
|
|
|
958 staticpro (¤t_menudesc);
|
|
|
959 staticpro (¤t_hash_table);
|
|
|
960 }
|
