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428
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1 /* mswindows GUI code. (menubars, scrollbars, toolbars, dialogs)
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2 Copyright (C) 1998 Andy Piper.
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1204
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3 Copyright (C) 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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771
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24 /* This file essentially Mule-ized (except perhaps some Unicode splitting).
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25 5-2000. */
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26
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428
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27 #include <config.h>
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28 #include "lisp.h"
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872
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29 #include "console-msw-impl.h"
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442
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30 #include "redisplay.h"
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428
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31 #include "gui.h"
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442
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32 #include "glyphs.h"
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872
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33 #include "frame-impl.h"
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428
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34 #include "elhash.h"
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442
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35 #include "events.h"
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440
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36 #include "buffer.h"
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428
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37
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38 /*
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39 * Return value is Qt if we have dispatched the command,
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40 * or Qnil if id has not been mapped to a callback.
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41 * Window procedure may try other targets to route the
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42 * command if we return nil
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43 */
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44 Lisp_Object
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771
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45 mswindows_handle_gui_wm_command (struct frame *f, HWND ctrl, LPARAM id)
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428
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46 {
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47 /* Try to map the command id through the proper hash table */
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442
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48 Lisp_Object callback, callback_ex, image_instance, frame, event;
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49
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793
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50 frame = wrap_frame (f);
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428
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51
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826
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52 image_instance = Fgethash (make_int_verify (id),
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442
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53 FRAME_MSWINDOWS_WIDGET_HASH_TABLE1 (f), Qnil);
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54 /* It is possible for a widget action to cause it to get out of sync
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55 with its instantiator. Thus it is necessary to signal this
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56 possibility. */
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57 if (IMAGE_INSTANCEP (image_instance))
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58 XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (image_instance) = 1;
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59 callback = Fgethash (make_int (id),
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60 FRAME_MSWINDOWS_WIDGET_HASH_TABLE2 (f), Qnil);
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61 callback_ex = Fgethash (make_int (id),
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62 FRAME_MSWINDOWS_WIDGET_HASH_TABLE3 (f), Qnil);
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428
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63
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442
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64 if (!NILP (callback_ex) && !UNBOUNDP (callback_ex))
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65 {
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66 event = Fmake_event (Qnil, Qnil);
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440
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67
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964
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68 XSET_EVENT_TYPE (event, misc_user_event);
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69 XSET_EVENT_CHANNEL (event, frame);
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70 XSET_EVENT_TIMESTAMP (event, GetTickCount());
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1204
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71 XSET_EVENT_MISC_USER_FUNCTION (event, Qeval);
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72 XSET_EVENT_MISC_USER_OBJECT (event,
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964
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73 list4 (Qfuncall, callback_ex, image_instance, event));
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442
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74 }
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75 else if (NILP (callback) || UNBOUNDP (callback))
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76 return Qnil;
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77 else
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78 {
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79 Lisp_Object fn, arg;
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440
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80
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442
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81 event = Fmake_event (Qnil, Qnil);
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440
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82
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442
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83 get_gui_callback (callback, &fn, &arg);
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964
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84 XSET_EVENT_TYPE (event, misc_user_event);
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85 XSET_EVENT_CHANNEL (event, frame);
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86 XSET_EVENT_TIMESTAMP (event, GetTickCount());
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1204
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87 XSET_EVENT_MISC_USER_FUNCTION (event, fn);
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88 XSET_EVENT_MISC_USER_OBJECT (event, arg);
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442
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89 }
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90
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91 mswindows_enqueue_dispatch_event (event);
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92 /* The result of this evaluation could cause other instances to change so
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93 enqueue an update callback to check this. */
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94 enqueue_magic_eval_event (update_widget_instances, frame);
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95 return Qt;
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440
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96 }
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97
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1204
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98 /*
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99 * Translate X accelerator syntax to win32 accelerator syntax.
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100 * accel = (Ichar*) to receive the accelerator character
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101 * or NULL to suppress accelerators in the menu or dialog item.
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102 *
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103 * %% is replaced with %
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104 * if accel is NULL:
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105 * %_ is removed.
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106 * if accel is non-NULL:
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107 * %_ is replaced with &.
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108 * The accelerator character is passed back in *accel.
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109 * (If there is no accelerator, it will be added on the first character.)
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110 *
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111 */
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112
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113 Lisp_Object
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114 mswindows_translate_menu_or_dialog_item (Lisp_Object item, Ichar *accel)
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115 {
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116 Bytecount len = XSTRING_LENGTH (item);
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117 Ibyte *it = (Ibyte *) ALLOCA (2 * len + 42), *ptr = it;
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118
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119 memcpy (ptr, XSTRING_DATA (item), len + 1);
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120 if (accel)
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121 *accel = '\0';
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122
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123 /* Escape '&' as '&&' */
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124
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125 while ((ptr = (Ibyte *) memchr (ptr, '&', len - (ptr - it))) != NULL)
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126 {
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127 memmove (ptr + 1, ptr, (len - (ptr - it)) + 1);
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128 len++;
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129 ptr += 2;
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130 }
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131
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132 /* Replace XEmacs accelerator '%_' with Windows accelerator '&'
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133 and `%%' with `%'. */
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134 ptr = it;
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135 while ((ptr = (Ibyte *) memchr (ptr, '%', len - (ptr - it))) != NULL)
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136 {
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137 if (*(ptr + 1) == '_')
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138 {
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139 if (accel)
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140 {
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141 *ptr = '&';
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142 if (!*accel)
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143 *accel = DOWNCASE (0, itext_ichar (ptr + 2));
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144 memmove (ptr + 1, ptr + 2, len - (ptr - it + 2) + 1);
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145 len--;
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146 }
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147 else /* Skip accelerator */
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148 {
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149 memmove (ptr, ptr + 2, len - (ptr - it + 2) + 1);
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150 len -= 2;
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151 }
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152 }
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153 else if (*(ptr + 1) == '%')
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154 {
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155 memmove (ptr + 1, ptr + 2, len - (ptr - it + 2) + 1);
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156 len--;
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157 ptr++;
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158 }
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159 else /* % on its own - shouldn't happen */
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160 ptr++;
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161 }
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162
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163 if (accel && !*accel)
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164 {
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165 /* Force a default accelerator */
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166 ptr = it;
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167 memmove (ptr + 1, ptr, len + 1);
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168 *accel = DOWNCASE (0, itext_ichar (ptr + 1));
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169 *ptr = '&';
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170
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171 len++;
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172 }
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173
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174 return make_string (it, len);
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175 }
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176
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440
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177 void
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178 syms_of_gui_mswindows (void)
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179 {
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180 }
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