| 1 | /* Menu support for GNU Emacs on the Microsoft Windows API. |
| 2 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2014 Free |
| 3 | Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | |
| 22 | #include <signal.h> |
| 23 | #include <stdio.h> |
| 24 | #include <setjmp.h> |
| 25 | |
| 26 | #include "lisp.h" |
| 27 | #include "keyboard.h" |
| 28 | #include "keymap.h" |
| 29 | #include "frame.h" |
| 30 | #include "termhooks.h" |
| 31 | #include "window.h" |
| 32 | #include "blockinput.h" |
| 33 | #include "character.h" |
| 34 | #include "buffer.h" |
| 35 | #include "charset.h" |
| 36 | #include "coding.h" |
| 37 | #include "menu.h" |
| 38 | |
| 39 | /* This may include sys/types.h, and that somehow loses |
| 40 | if this is not done before the other system files. */ |
| 41 | #include "w32term.h" |
| 42 | |
| 43 | /* Cygwin does not support the multibyte string functions declared in |
| 44 | * mbstring.h below --- but that's okay: because Cygwin is |
| 45 | * UNICODE-only, we don't need to use these functions anyway. */ |
| 46 | |
| 47 | #ifndef NTGUI_UNICODE |
| 48 | #include <mbstring.h> |
| 49 | #endif /* !NTGUI_UNICODE */ |
| 50 | |
| 51 | /* Load sys/types.h if not already loaded. |
| 52 | In some systems loading it twice is suicidal. */ |
| 53 | #ifndef makedev |
| 54 | #include <sys/types.h> |
| 55 | #endif |
| 56 | |
| 57 | #include "dispextern.h" |
| 58 | |
| 59 | #include "w32common.h" /* for osinfo_cache */ |
| 60 | |
| 61 | #undef HAVE_DIALOGS /* TODO: Implement native dialogs. */ |
| 62 | |
| 63 | #ifndef TRUE |
| 64 | #define TRUE 1 |
| 65 | #define FALSE 0 |
| 66 | #endif /* no TRUE */ |
| 67 | |
| 68 | HMENU current_popup_menu; |
| 69 | |
| 70 | void syms_of_w32menu (void); |
| 71 | void globals_of_w32menu (void); |
| 72 | |
| 73 | typedef BOOL (WINAPI * GetMenuItemInfoA_Proc) ( |
| 74 | IN HMENU, |
| 75 | IN UINT, |
| 76 | IN BOOL, |
| 77 | IN OUT LPMENUITEMINFOA); |
| 78 | typedef BOOL (WINAPI * SetMenuItemInfoA_Proc) ( |
| 79 | IN HMENU, |
| 80 | IN UINT, |
| 81 | IN BOOL, |
| 82 | IN LPCMENUITEMINFOA); |
| 83 | typedef int (WINAPI * MessageBoxW_Proc) ( |
| 84 | IN HWND window, |
| 85 | IN const WCHAR *text, |
| 86 | IN const WCHAR *caption, |
| 87 | IN UINT type); |
| 88 | |
| 89 | #ifdef NTGUI_UNICODE |
| 90 | #define get_menu_item_info GetMenuItemInfoA |
| 91 | #define set_menu_item_info SetMenuItemInfoA |
| 92 | #define unicode_append_menu AppendMenuW |
| 93 | #define unicode_message_box MessageBoxW |
| 94 | #else /* !NTGUI_UNICODE */ |
| 95 | GetMenuItemInfoA_Proc get_menu_item_info = NULL; |
| 96 | SetMenuItemInfoA_Proc set_menu_item_info = NULL; |
| 97 | AppendMenuW_Proc unicode_append_menu = NULL; |
| 98 | MessageBoxW_Proc unicode_message_box = NULL; |
| 99 | #endif /* NTGUI_UNICODE */ |
| 100 | |
| 101 | Lisp_Object Qdebug_on_next_call, Qunsupported__w32_dialog; |
| 102 | |
| 103 | void set_frame_menubar (struct frame *, bool, bool); |
| 104 | |
| 105 | #ifdef HAVE_DIALOGS |
| 106 | static Lisp_Object w32_dialog_show (struct frame *, int, Lisp_Object, char**); |
| 107 | #else |
| 108 | static int is_simple_dialog (Lisp_Object); |
| 109 | static Lisp_Object simple_dialog_show (struct frame *, Lisp_Object, Lisp_Object); |
| 110 | #endif |
| 111 | |
| 112 | static void utf8to16 (unsigned char *, int, WCHAR *); |
| 113 | static int fill_in_menu (HMENU, widget_value *); |
| 114 | |
| 115 | void w32_free_menu_strings (HWND); |
| 116 | |
| 117 | Lisp_Object |
| 118 | w32_popup_dialog (struct frame *f, Lisp_Object header, Lisp_Object contents) |
| 119 | { |
| 120 | |
| 121 | check_window_system (f); |
| 122 | |
| 123 | #ifndef HAVE_DIALOGS |
| 124 | |
| 125 | /* Handle simple Yes/No choices as MessageBox popups. */ |
| 126 | if (is_simple_dialog (contents)) |
| 127 | return simple_dialog_show (f, contents, header); |
| 128 | else |
| 129 | return Qunsupported__w32_dialog; |
| 130 | #else /* HAVE_DIALOGS */ |
| 131 | { |
| 132 | Lisp_Object title; |
| 133 | char *error_name; |
| 134 | Lisp_Object selection; |
| 135 | |
| 136 | /* Decode the dialog items from what was specified. */ |
| 137 | title = Fcar (contents); |
| 138 | CHECK_STRING (title); |
| 139 | |
| 140 | list_of_panes (Fcons (contents, Qnil)); |
| 141 | |
| 142 | /* Display them in a dialog box. */ |
| 143 | block_input (); |
| 144 | selection = w32_dialog_show (f, 0, title, header, &error_name); |
| 145 | unblock_input (); |
| 146 | |
| 147 | discard_menu_items (); |
| 148 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
| 149 | |
| 150 | if (error_name) error (error_name); |
| 151 | return selection; |
| 152 | } |
| 153 | #endif /* HAVE_DIALOGS */ |
| 154 | } |
| 155 | |
| 156 | /* Activate the menu bar of frame F. |
| 157 | This is called from keyboard.c when it gets the |
| 158 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
| 159 | |
| 160 | To activate the menu bar, we signal to the input thread that it can |
| 161 | return from the WM_INITMENU message, allowing the normal Windows |
| 162 | processing of the menus. |
| 163 | |
| 164 | But first we recompute the menu bar contents (the whole tree). |
| 165 | |
| 166 | This way we can safely execute Lisp code. */ |
| 167 | |
| 168 | void |
| 169 | x_activate_menubar (struct frame *f) |
| 170 | { |
| 171 | set_frame_menubar (f, 0, 1); |
| 172 | |
| 173 | /* Lock out further menubar changes while active. */ |
| 174 | f->output_data.w32->menubar_active = 1; |
| 175 | |
| 176 | /* Signal input thread to return from WM_INITMENU. */ |
| 177 | complete_deferred_msg (FRAME_W32_WINDOW (f), WM_INITMENU, 0); |
| 178 | } |
| 179 | |
| 180 | /* This callback is called from the menu bar pulldown menu |
| 181 | when the user makes a selection. |
| 182 | Figure out what the user chose |
| 183 | and put the appropriate events into the keyboard buffer. */ |
| 184 | |
| 185 | void |
| 186 | menubar_selection_callback (struct frame *f, void * client_data) |
| 187 | { |
| 188 | Lisp_Object prefix, entry; |
| 189 | Lisp_Object vector; |
| 190 | Lisp_Object *subprefix_stack; |
| 191 | int submenu_depth = 0; |
| 192 | int i; |
| 193 | |
| 194 | if (!f) |
| 195 | return; |
| 196 | entry = Qnil; |
| 197 | subprefix_stack = (Lisp_Object *) alloca (f->menu_bar_items_used * word_size); |
| 198 | vector = f->menu_bar_vector; |
| 199 | prefix = Qnil; |
| 200 | i = 0; |
| 201 | while (i < f->menu_bar_items_used) |
| 202 | { |
| 203 | if (EQ (AREF (vector, i), Qnil)) |
| 204 | { |
| 205 | subprefix_stack[submenu_depth++] = prefix; |
| 206 | prefix = entry; |
| 207 | i++; |
| 208 | } |
| 209 | else if (EQ (AREF (vector, i), Qlambda)) |
| 210 | { |
| 211 | prefix = subprefix_stack[--submenu_depth]; |
| 212 | i++; |
| 213 | } |
| 214 | else if (EQ (AREF (vector, i), Qt)) |
| 215 | { |
| 216 | prefix = AREF (vector, i + MENU_ITEMS_PANE_PREFIX); |
| 217 | i += MENU_ITEMS_PANE_LENGTH; |
| 218 | } |
| 219 | else |
| 220 | { |
| 221 | entry = AREF (vector, i + MENU_ITEMS_ITEM_VALUE); |
| 222 | /* The EMACS_INT cast avoids a warning. There's no problem |
| 223 | as long as pointers have enough bits to hold small integers. */ |
| 224 | if ((int) (EMACS_INT) client_data == i) |
| 225 | { |
| 226 | int j; |
| 227 | struct input_event buf; |
| 228 | Lisp_Object frame; |
| 229 | EVENT_INIT (buf); |
| 230 | |
| 231 | XSETFRAME (frame, f); |
| 232 | buf.kind = MENU_BAR_EVENT; |
| 233 | buf.frame_or_window = frame; |
| 234 | buf.arg = frame; |
| 235 | kbd_buffer_store_event (&buf); |
| 236 | |
| 237 | for (j = 0; j < submenu_depth; j++) |
| 238 | if (!NILP (subprefix_stack[j])) |
| 239 | { |
| 240 | buf.kind = MENU_BAR_EVENT; |
| 241 | buf.frame_or_window = frame; |
| 242 | buf.arg = subprefix_stack[j]; |
| 243 | kbd_buffer_store_event (&buf); |
| 244 | } |
| 245 | |
| 246 | if (!NILP (prefix)) |
| 247 | { |
| 248 | buf.kind = MENU_BAR_EVENT; |
| 249 | buf.frame_or_window = frame; |
| 250 | buf.arg = prefix; |
| 251 | kbd_buffer_store_event (&buf); |
| 252 | } |
| 253 | |
| 254 | buf.kind = MENU_BAR_EVENT; |
| 255 | buf.frame_or_window = frame; |
| 256 | buf.arg = entry; |
| 257 | /* Free memory used by owner-drawn and help-echo strings. */ |
| 258 | w32_free_menu_strings (FRAME_W32_WINDOW (f)); |
| 259 | kbd_buffer_store_event (&buf); |
| 260 | |
| 261 | f->output_data.w32->menubar_active = 0; |
| 262 | return; |
| 263 | } |
| 264 | i += MENU_ITEMS_ITEM_LENGTH; |
| 265 | } |
| 266 | } |
| 267 | /* Free memory used by owner-drawn and help-echo strings. */ |
| 268 | w32_free_menu_strings (FRAME_W32_WINDOW (f)); |
| 269 | f->output_data.w32->menubar_active = 0; |
| 270 | } |
| 271 | |
| 272 | \f |
| 273 | /* Set the contents of the menubar widgets of frame F. |
| 274 | The argument FIRST_TIME is currently ignored; |
| 275 | it is set the first time this is called, from initialize_frame_menubar. */ |
| 276 | |
| 277 | void |
| 278 | set_frame_menubar (struct frame *f, bool first_time, bool deep_p) |
| 279 | { |
| 280 | HMENU menubar_widget = f->output_data.w32->menubar_widget; |
| 281 | Lisp_Object items; |
| 282 | widget_value *wv, *first_wv, *prev_wv = 0; |
| 283 | int i, last_i; |
| 284 | int *submenu_start, *submenu_end; |
| 285 | int *submenu_top_level_items, *submenu_n_panes; |
| 286 | |
| 287 | /* We must not change the menubar when actually in use. */ |
| 288 | if (f->output_data.w32->menubar_active) |
| 289 | return; |
| 290 | |
| 291 | XSETFRAME (Vmenu_updating_frame, f); |
| 292 | |
| 293 | if (! menubar_widget) |
| 294 | deep_p = 1; |
| 295 | |
| 296 | if (deep_p) |
| 297 | { |
| 298 | /* Make a widget-value tree representing the entire menu trees. */ |
| 299 | |
| 300 | struct buffer *prev = current_buffer; |
| 301 | Lisp_Object buffer; |
| 302 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
| 303 | int previous_menu_items_used = f->menu_bar_items_used; |
| 304 | Lisp_Object *previous_items |
| 305 | = (Lisp_Object *) alloca (previous_menu_items_used |
| 306 | * word_size); |
| 307 | |
| 308 | /* If we are making a new widget, its contents are empty, |
| 309 | do always reinitialize them. */ |
| 310 | if (! menubar_widget) |
| 311 | previous_menu_items_used = 0; |
| 312 | |
| 313 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->contents; |
| 314 | specbind (Qinhibit_quit, Qt); |
| 315 | /* Don't let the debugger step into this code |
| 316 | because it is not reentrant. */ |
| 317 | specbind (Qdebug_on_next_call, Qnil); |
| 318 | |
| 319 | record_unwind_save_match_data (); |
| 320 | |
| 321 | if (NILP (Voverriding_local_map_menu_flag)) |
| 322 | { |
| 323 | specbind (Qoverriding_terminal_local_map, Qnil); |
| 324 | specbind (Qoverriding_local_map, Qnil); |
| 325 | } |
| 326 | |
| 327 | set_buffer_internal_1 (XBUFFER (buffer)); |
| 328 | |
| 329 | /* Run the hooks. */ |
| 330 | safe_run_hooks (Qactivate_menubar_hook); |
| 331 | safe_run_hooks (Qmenu_bar_update_hook); |
| 332 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
| 333 | |
| 334 | items = FRAME_MENU_BAR_ITEMS (f); |
| 335 | |
| 336 | /* Save the frame's previous menu bar contents data. */ |
| 337 | if (previous_menu_items_used) |
| 338 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
| 339 | previous_menu_items_used * word_size); |
| 340 | |
| 341 | /* Fill in menu_items with the current menu bar contents. |
| 342 | This can evaluate Lisp code. */ |
| 343 | save_menu_items (); |
| 344 | |
| 345 | menu_items = f->menu_bar_vector; |
| 346 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
| 347 | submenu_start = (int *) alloca (ASIZE (items) * sizeof (int)); |
| 348 | submenu_end = (int *) alloca (ASIZE (items) * sizeof (int)); |
| 349 | submenu_n_panes = (int *) alloca (ASIZE (items) * sizeof (int)); |
| 350 | submenu_top_level_items = (int *) alloca (ASIZE (items) * sizeof (int)); |
| 351 | init_menu_items (); |
| 352 | for (i = 0; i < ASIZE (items); i += 4) |
| 353 | { |
| 354 | Lisp_Object key, string, maps; |
| 355 | |
| 356 | last_i = i; |
| 357 | |
| 358 | key = AREF (items, i); |
| 359 | string = AREF (items, i + 1); |
| 360 | maps = AREF (items, i + 2); |
| 361 | if (NILP (string)) |
| 362 | break; |
| 363 | |
| 364 | submenu_start[i] = menu_items_used; |
| 365 | |
| 366 | menu_items_n_panes = 0; |
| 367 | submenu_top_level_items[i] |
| 368 | = parse_single_submenu (key, string, maps); |
| 369 | submenu_n_panes[i] = menu_items_n_panes; |
| 370 | |
| 371 | submenu_end[i] = menu_items_used; |
| 372 | } |
| 373 | |
| 374 | finish_menu_items (); |
| 375 | |
| 376 | /* Convert menu_items into widget_value trees |
| 377 | to display the menu. This cannot evaluate Lisp code. */ |
| 378 | |
| 379 | wv = xmalloc_widget_value (); |
| 380 | wv->name = "menubar"; |
| 381 | wv->value = 0; |
| 382 | wv->enabled = 1; |
| 383 | wv->button_type = BUTTON_TYPE_NONE; |
| 384 | wv->help = Qnil; |
| 385 | first_wv = wv; |
| 386 | |
| 387 | for (i = 0; i < last_i; i += 4) |
| 388 | { |
| 389 | menu_items_n_panes = submenu_n_panes[i]; |
| 390 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
| 391 | submenu_top_level_items[i]); |
| 392 | if (prev_wv) |
| 393 | prev_wv->next = wv; |
| 394 | else |
| 395 | first_wv->contents = wv; |
| 396 | /* Don't set wv->name here; GC during the loop might relocate it. */ |
| 397 | wv->enabled = 1; |
| 398 | wv->button_type = BUTTON_TYPE_NONE; |
| 399 | prev_wv = wv; |
| 400 | } |
| 401 | |
| 402 | set_buffer_internal_1 (prev); |
| 403 | |
| 404 | /* If there has been no change in the Lisp-level contents |
| 405 | of the menu bar, skip redisplaying it. Just exit. */ |
| 406 | |
| 407 | for (i = 0; i < previous_menu_items_used; i++) |
| 408 | if (menu_items_used == i |
| 409 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
| 410 | break; |
| 411 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
| 412 | { |
| 413 | free_menubar_widget_value_tree (first_wv); |
| 414 | discard_menu_items (); |
| 415 | unbind_to (specpdl_count, Qnil); |
| 416 | return; |
| 417 | } |
| 418 | |
| 419 | fset_menu_bar_vector (f, menu_items); |
| 420 | f->menu_bar_items_used = menu_items_used; |
| 421 | |
| 422 | /* This undoes save_menu_items. */ |
| 423 | unbind_to (specpdl_count, Qnil); |
| 424 | |
| 425 | /* Now GC cannot happen during the lifetime of the widget_value, |
| 426 | so it's safe to store data from a Lisp_String, as long as |
| 427 | local copies are made when the actual menu is created. |
| 428 | Windows takes care of this for normal string items, but |
| 429 | not for owner-drawn items or additional item-info. */ |
| 430 | wv = first_wv->contents; |
| 431 | for (i = 0; i < ASIZE (items); i += 4) |
| 432 | { |
| 433 | Lisp_Object string; |
| 434 | string = AREF (items, i + 1); |
| 435 | if (NILP (string)) |
| 436 | break; |
| 437 | wv->name = SSDATA (string); |
| 438 | update_submenu_strings (wv->contents); |
| 439 | wv = wv->next; |
| 440 | } |
| 441 | } |
| 442 | else |
| 443 | { |
| 444 | /* Make a widget-value tree containing |
| 445 | just the top level menu bar strings. */ |
| 446 | |
| 447 | wv = xmalloc_widget_value (); |
| 448 | wv->name = "menubar"; |
| 449 | wv->value = 0; |
| 450 | wv->enabled = 1; |
| 451 | wv->button_type = BUTTON_TYPE_NONE; |
| 452 | wv->help = Qnil; |
| 453 | first_wv = wv; |
| 454 | |
| 455 | items = FRAME_MENU_BAR_ITEMS (f); |
| 456 | for (i = 0; i < ASIZE (items); i += 4) |
| 457 | { |
| 458 | Lisp_Object string; |
| 459 | |
| 460 | string = AREF (items, i + 1); |
| 461 | if (NILP (string)) |
| 462 | break; |
| 463 | |
| 464 | wv = xmalloc_widget_value (); |
| 465 | wv->name = SSDATA (string); |
| 466 | wv->value = 0; |
| 467 | wv->enabled = 1; |
| 468 | wv->button_type = BUTTON_TYPE_NONE; |
| 469 | wv->help = Qnil; |
| 470 | /* This prevents lwlib from assuming this |
| 471 | menu item is really supposed to be empty. */ |
| 472 | /* The EMACS_INT cast avoids a warning. |
| 473 | This value just has to be different from small integers. */ |
| 474 | wv->call_data = (void *) (EMACS_INT) (-1); |
| 475 | |
| 476 | if (prev_wv) |
| 477 | prev_wv->next = wv; |
| 478 | else |
| 479 | first_wv->contents = wv; |
| 480 | prev_wv = wv; |
| 481 | } |
| 482 | |
| 483 | /* Forget what we thought we knew about what is in the |
| 484 | detailed contents of the menu bar menus. |
| 485 | Changing the top level always destroys the contents. */ |
| 486 | f->menu_bar_items_used = 0; |
| 487 | } |
| 488 | |
| 489 | /* Create or update the menu bar widget. */ |
| 490 | |
| 491 | block_input (); |
| 492 | |
| 493 | if (menubar_widget) |
| 494 | { |
| 495 | /* Empty current menubar, rather than creating a fresh one. */ |
| 496 | while (DeleteMenu (menubar_widget, 0, MF_BYPOSITION)) |
| 497 | ; |
| 498 | } |
| 499 | else |
| 500 | { |
| 501 | menubar_widget = CreateMenu (); |
| 502 | } |
| 503 | fill_in_menu (menubar_widget, first_wv->contents); |
| 504 | |
| 505 | free_menubar_widget_value_tree (first_wv); |
| 506 | |
| 507 | { |
| 508 | HMENU old_widget = f->output_data.w32->menubar_widget; |
| 509 | |
| 510 | f->output_data.w32->menubar_widget = menubar_widget; |
| 511 | SetMenu (FRAME_W32_WINDOW (f), f->output_data.w32->menubar_widget); |
| 512 | /* Causes flicker when menu bar is updated |
| 513 | DrawMenuBar (FRAME_W32_WINDOW (f)); */ |
| 514 | |
| 515 | /* Force the window size to be recomputed so that the frame's text |
| 516 | area remains the same, if menubar has just been created. */ |
| 517 | if (old_widget == NULL) |
| 518 | x_set_window_size (f, 0, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f), 1); |
| 519 | } |
| 520 | |
| 521 | unblock_input (); |
| 522 | } |
| 523 | |
| 524 | /* Called from Fx_create_frame to create the initial menubar of a frame |
| 525 | before it is mapped, so that the window is mapped with the menubar already |
| 526 | there instead of us tacking it on later and thrashing the window after it |
| 527 | is visible. */ |
| 528 | |
| 529 | void |
| 530 | initialize_frame_menubar (struct frame *f) |
| 531 | { |
| 532 | /* This function is called before the first chance to redisplay |
| 533 | the frame. It has to be, so the frame will have the right size. */ |
| 534 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
| 535 | set_frame_menubar (f, 1, 1); |
| 536 | } |
| 537 | |
| 538 | /* Get rid of the menu bar of frame F, and free its storage. |
| 539 | This is used when deleting a frame, and when turning off the menu bar. */ |
| 540 | |
| 541 | void |
| 542 | free_frame_menubar (struct frame *f) |
| 543 | { |
| 544 | block_input (); |
| 545 | |
| 546 | { |
| 547 | HMENU old = GetMenu (FRAME_W32_WINDOW (f)); |
| 548 | SetMenu (FRAME_W32_WINDOW (f), NULL); |
| 549 | f->output_data.w32->menubar_widget = NULL; |
| 550 | DestroyMenu (old); |
| 551 | } |
| 552 | |
| 553 | unblock_input (); |
| 554 | } |
| 555 | |
| 556 | \f |
| 557 | /* w32_menu_show actually displays a menu using the panes and items in |
| 558 | menu_items and returns the value selected from it; we assume input |
| 559 | is blocked by the caller. */ |
| 560 | |
| 561 | /* F is the frame the menu is for. |
| 562 | X and Y are the frame-relative specified position, |
| 563 | relative to the inside upper left corner of the frame F. |
| 564 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
| 565 | KEYMAPS is 1 if this menu was specified with keymaps; |
| 566 | in that case, we return a list containing the chosen item's value |
| 567 | and perhaps also the pane's prefix. |
| 568 | TITLE is the specified menu title. |
| 569 | ERROR is a place to store an error message string in case of failure. |
| 570 | (We return nil on failure, but the value doesn't actually matter.) */ |
| 571 | |
| 572 | Lisp_Object |
| 573 | w32_menu_show (struct frame *f, int x, int y, int for_click, int keymaps, |
| 574 | Lisp_Object title, const char **error) |
| 575 | { |
| 576 | int i; |
| 577 | int menu_item_selection; |
| 578 | HMENU menu; |
| 579 | POINT pos; |
| 580 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
| 581 | widget_value **submenu_stack |
| 582 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); |
| 583 | Lisp_Object *subprefix_stack |
| 584 | = (Lisp_Object *) alloca (menu_items_used * word_size); |
| 585 | int submenu_depth = 0; |
| 586 | int first_pane; |
| 587 | |
| 588 | *error = NULL; |
| 589 | |
| 590 | if (menu_items_n_panes == 0) |
| 591 | return Qnil; |
| 592 | |
| 593 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
| 594 | { |
| 595 | *error = "Empty menu"; |
| 596 | return Qnil; |
| 597 | } |
| 598 | |
| 599 | block_input (); |
| 600 | |
| 601 | /* Create a tree of widget_value objects |
| 602 | representing the panes and their items. */ |
| 603 | wv = xmalloc_widget_value (); |
| 604 | wv->name = "menu"; |
| 605 | wv->value = 0; |
| 606 | wv->enabled = 1; |
| 607 | wv->button_type = BUTTON_TYPE_NONE; |
| 608 | wv->help = Qnil; |
| 609 | first_wv = wv; |
| 610 | first_pane = 1; |
| 611 | |
| 612 | /* Loop over all panes and items, filling in the tree. */ |
| 613 | i = 0; |
| 614 | while (i < menu_items_used) |
| 615 | { |
| 616 | if (EQ (AREF (menu_items, i), Qnil)) |
| 617 | { |
| 618 | submenu_stack[submenu_depth++] = save_wv; |
| 619 | save_wv = prev_wv; |
| 620 | prev_wv = 0; |
| 621 | first_pane = 1; |
| 622 | i++; |
| 623 | } |
| 624 | else if (EQ (AREF (menu_items, i), Qlambda)) |
| 625 | { |
| 626 | prev_wv = save_wv; |
| 627 | save_wv = submenu_stack[--submenu_depth]; |
| 628 | first_pane = 0; |
| 629 | i++; |
| 630 | } |
| 631 | else if (EQ (AREF (menu_items, i), Qt) |
| 632 | && submenu_depth != 0) |
| 633 | i += MENU_ITEMS_PANE_LENGTH; |
| 634 | /* Ignore a nil in the item list. |
| 635 | It's meaningful only for dialog boxes. */ |
| 636 | else if (EQ (AREF (menu_items, i), Qquote)) |
| 637 | i += 1; |
| 638 | else if (EQ (AREF (menu_items, i), Qt)) |
| 639 | { |
| 640 | /* Create a new pane. */ |
| 641 | Lisp_Object pane_name, prefix; |
| 642 | const char *pane_string; |
| 643 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
| 644 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
| 645 | |
| 646 | if (STRINGP (pane_name)) |
| 647 | { |
| 648 | if (unicode_append_menu) |
| 649 | pane_name = ENCODE_UTF_8 (pane_name); |
| 650 | else if (STRING_MULTIBYTE (pane_name)) |
| 651 | pane_name = ENCODE_SYSTEM (pane_name); |
| 652 | |
| 653 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
| 654 | } |
| 655 | |
| 656 | pane_string = (NILP (pane_name) |
| 657 | ? "" : SSDATA (pane_name)); |
| 658 | /* If there is just one top-level pane, put all its items directly |
| 659 | under the top-level menu. */ |
| 660 | if (menu_items_n_panes == 1) |
| 661 | pane_string = ""; |
| 662 | |
| 663 | /* If the pane has a meaningful name, |
| 664 | make the pane a top-level menu item |
| 665 | with its items as a submenu beneath it. */ |
| 666 | if (!keymaps && strcmp (pane_string, "")) |
| 667 | { |
| 668 | wv = xmalloc_widget_value (); |
| 669 | if (save_wv) |
| 670 | save_wv->next = wv; |
| 671 | else |
| 672 | first_wv->contents = wv; |
| 673 | wv->name = pane_string; |
| 674 | if (keymaps && !NILP (prefix)) |
| 675 | wv->name++; |
| 676 | wv->value = 0; |
| 677 | wv->enabled = 1; |
| 678 | wv->button_type = BUTTON_TYPE_NONE; |
| 679 | wv->help = Qnil; |
| 680 | save_wv = wv; |
| 681 | prev_wv = 0; |
| 682 | } |
| 683 | else if (first_pane) |
| 684 | { |
| 685 | save_wv = wv; |
| 686 | prev_wv = 0; |
| 687 | } |
| 688 | first_pane = 0; |
| 689 | i += MENU_ITEMS_PANE_LENGTH; |
| 690 | } |
| 691 | else |
| 692 | { |
| 693 | /* Create a new item within current pane. */ |
| 694 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
| 695 | |
| 696 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
| 697 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); |
| 698 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
| 699 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); |
| 700 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); |
| 701 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); |
| 702 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); |
| 703 | |
| 704 | if (STRINGP (item_name)) |
| 705 | { |
| 706 | if (unicode_append_menu) |
| 707 | item_name = ENCODE_UTF_8 (item_name); |
| 708 | else if (STRING_MULTIBYTE (item_name)) |
| 709 | item_name = ENCODE_SYSTEM (item_name); |
| 710 | |
| 711 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
| 712 | } |
| 713 | |
| 714 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
| 715 | { |
| 716 | descrip = ENCODE_SYSTEM (descrip); |
| 717 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
| 718 | } |
| 719 | |
| 720 | wv = xmalloc_widget_value (); |
| 721 | if (prev_wv) |
| 722 | prev_wv->next = wv; |
| 723 | else |
| 724 | save_wv->contents = wv; |
| 725 | wv->name = SSDATA (item_name); |
| 726 | if (!NILP (descrip)) |
| 727 | wv->key = SSDATA (descrip); |
| 728 | wv->value = 0; |
| 729 | /* Use the contents index as call_data, since we are |
| 730 | restricted to 16-bits. */ |
| 731 | wv->call_data = !NILP (def) ? (void *) (EMACS_INT) i : 0; |
| 732 | wv->enabled = !NILP (enable); |
| 733 | |
| 734 | if (NILP (type)) |
| 735 | wv->button_type = BUTTON_TYPE_NONE; |
| 736 | else if (EQ (type, QCtoggle)) |
| 737 | wv->button_type = BUTTON_TYPE_TOGGLE; |
| 738 | else if (EQ (type, QCradio)) |
| 739 | wv->button_type = BUTTON_TYPE_RADIO; |
| 740 | else |
| 741 | emacs_abort (); |
| 742 | |
| 743 | wv->selected = !NILP (selected); |
| 744 | |
| 745 | if (!STRINGP (help)) |
| 746 | help = Qnil; |
| 747 | |
| 748 | wv->help = help; |
| 749 | |
| 750 | prev_wv = wv; |
| 751 | |
| 752 | i += MENU_ITEMS_ITEM_LENGTH; |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | /* Deal with the title, if it is non-nil. */ |
| 757 | if (!NILP (title)) |
| 758 | { |
| 759 | widget_value *wv_title = xmalloc_widget_value (); |
| 760 | widget_value *wv_sep = xmalloc_widget_value (); |
| 761 | |
| 762 | /* Maybe replace this separator with a bitmap or owner-draw item |
| 763 | so that it looks better. Having two separators looks odd. */ |
| 764 | wv_sep->name = "--"; |
| 765 | wv_sep->next = first_wv->contents; |
| 766 | wv_sep->help = Qnil; |
| 767 | |
| 768 | if (unicode_append_menu) |
| 769 | title = ENCODE_UTF_8 (title); |
| 770 | else if (STRING_MULTIBYTE (title)) |
| 771 | title = ENCODE_SYSTEM (title); |
| 772 | |
| 773 | wv_title->name = SSDATA (title); |
| 774 | wv_title->enabled = TRUE; |
| 775 | wv_title->title = TRUE; |
| 776 | wv_title->button_type = BUTTON_TYPE_NONE; |
| 777 | wv_title->help = Qnil; |
| 778 | wv_title->next = wv_sep; |
| 779 | first_wv->contents = wv_title; |
| 780 | } |
| 781 | |
| 782 | /* No selection has been chosen yet. */ |
| 783 | menu_item_selection = 0; |
| 784 | |
| 785 | /* Actually create the menu. */ |
| 786 | current_popup_menu = menu = CreatePopupMenu (); |
| 787 | fill_in_menu (menu, first_wv->contents); |
| 788 | |
| 789 | /* Adjust coordinates to be root-window-relative. */ |
| 790 | pos.x = x; |
| 791 | pos.y = y; |
| 792 | ClientToScreen (FRAME_W32_WINDOW (f), &pos); |
| 793 | |
| 794 | /* Display the menu. */ |
| 795 | menu_item_selection = SendMessage (FRAME_W32_WINDOW (f), |
| 796 | WM_EMACS_TRACKPOPUPMENU, |
| 797 | (WPARAM)menu, (LPARAM)&pos); |
| 798 | |
| 799 | /* Clean up extraneous mouse events which might have been generated |
| 800 | during the call. */ |
| 801 | discard_mouse_events (); |
| 802 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
| 803 | |
| 804 | /* Free the widget_value objects we used to specify the contents. */ |
| 805 | free_menubar_widget_value_tree (first_wv); |
| 806 | |
| 807 | DestroyMenu (menu); |
| 808 | |
| 809 | /* Free the owner-drawn and help-echo menu strings. */ |
| 810 | w32_free_menu_strings (FRAME_W32_WINDOW (f)); |
| 811 | f->output_data.w32->menubar_active = 0; |
| 812 | |
| 813 | /* Find the selected item, and its pane, to return |
| 814 | the proper value. */ |
| 815 | if (menu_item_selection != 0) |
| 816 | { |
| 817 | Lisp_Object prefix, entry; |
| 818 | |
| 819 | prefix = entry = Qnil; |
| 820 | i = 0; |
| 821 | while (i < menu_items_used) |
| 822 | { |
| 823 | if (EQ (AREF (menu_items, i), Qnil)) |
| 824 | { |
| 825 | subprefix_stack[submenu_depth++] = prefix; |
| 826 | prefix = entry; |
| 827 | i++; |
| 828 | } |
| 829 | else if (EQ (AREF (menu_items, i), Qlambda)) |
| 830 | { |
| 831 | prefix = subprefix_stack[--submenu_depth]; |
| 832 | i++; |
| 833 | } |
| 834 | else if (EQ (AREF (menu_items, i), Qt)) |
| 835 | { |
| 836 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
| 837 | i += MENU_ITEMS_PANE_LENGTH; |
| 838 | } |
| 839 | /* Ignore a nil in the item list. |
| 840 | It's meaningful only for dialog boxes. */ |
| 841 | else if (EQ (AREF (menu_items, i), Qquote)) |
| 842 | i += 1; |
| 843 | else |
| 844 | { |
| 845 | entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
| 846 | if (menu_item_selection == i) |
| 847 | { |
| 848 | if (keymaps != 0) |
| 849 | { |
| 850 | int j; |
| 851 | |
| 852 | entry = Fcons (entry, Qnil); |
| 853 | if (!NILP (prefix)) |
| 854 | entry = Fcons (prefix, entry); |
| 855 | for (j = submenu_depth - 1; j >= 0; j--) |
| 856 | if (!NILP (subprefix_stack[j])) |
| 857 | entry = Fcons (subprefix_stack[j], entry); |
| 858 | } |
| 859 | unblock_input (); |
| 860 | return entry; |
| 861 | } |
| 862 | i += MENU_ITEMS_ITEM_LENGTH; |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | else if (!for_click) |
| 867 | { |
| 868 | unblock_input (); |
| 869 | /* Make "Cancel" equivalent to C-g. */ |
| 870 | Fsignal (Qquit, Qnil); |
| 871 | } |
| 872 | |
| 873 | unblock_input (); |
| 874 | return Qnil; |
| 875 | } |
| 876 | \f |
| 877 | |
| 878 | #ifdef HAVE_DIALOGS |
| 879 | /* TODO: On Windows, there are two ways of defining a dialog. |
| 880 | |
| 881 | 1. Create a predefined dialog resource and include it in nt/emacs.rc. |
| 882 | Using this method, we could then set the titles and make unneeded |
| 883 | buttons invisible before displaying the dialog. Everything would |
| 884 | be a fixed size though, so there is a risk that text does not |
| 885 | fit on a button. |
| 886 | 2. Create the dialog template in memory on the fly. This allows us |
| 887 | to size the dialog and buttons dynamically, probably giving more |
| 888 | natural looking results for dialogs with few buttons, and eliminating |
| 889 | the problem of text overflowing the buttons. But the API for this is |
| 890 | quite complex - structures have to be allocated in particular ways, |
| 891 | text content is tacked onto the end of structures in variable length |
| 892 | arrays with further structures tacked on after these, there are |
| 893 | certain alignment requirements for all this, and we have to |
| 894 | measure all the text and convert to "dialog coordinates" to figure |
| 895 | out how big to make everything. |
| 896 | |
| 897 | For now, we'll just stick with menus for dialogs that are more |
| 898 | complicated than simple yes/no type questions for which we can use |
| 899 | the MessageBox function. |
| 900 | */ |
| 901 | |
| 902 | static char * button_names [] = { |
| 903 | "button1", "button2", "button3", "button4", "button5", |
| 904 | "button6", "button7", "button8", "button9", "button10" }; |
| 905 | |
| 906 | static Lisp_Object |
| 907 | w32_dialog_show (struct frame *f, int keymaps, |
| 908 | Lisp_Object title, Lisp_Object header, |
| 909 | char **error) |
| 910 | { |
| 911 | int i, nb_buttons = 0; |
| 912 | char dialog_name[6]; |
| 913 | int menu_item_selection; |
| 914 | |
| 915 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
| 916 | |
| 917 | /* Number of elements seen so far, before boundary. */ |
| 918 | int left_count = 0; |
| 919 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ |
| 920 | int boundary_seen = 0; |
| 921 | |
| 922 | *error = NULL; |
| 923 | |
| 924 | if (menu_items_n_panes > 1) |
| 925 | { |
| 926 | *error = "Multiple panes in dialog box"; |
| 927 | return Qnil; |
| 928 | } |
| 929 | |
| 930 | /* Create a tree of widget_value objects |
| 931 | representing the text label and buttons. */ |
| 932 | { |
| 933 | Lisp_Object pane_name, prefix; |
| 934 | char *pane_string; |
| 935 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
| 936 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); |
| 937 | pane_string = (NILP (pane_name) |
| 938 | ? "" : SSDATA (pane_name)); |
| 939 | prev_wv = xmalloc_widget_value (); |
| 940 | prev_wv->value = pane_string; |
| 941 | if (keymaps && !NILP (prefix)) |
| 942 | prev_wv->name++; |
| 943 | prev_wv->enabled = 1; |
| 944 | prev_wv->name = "message"; |
| 945 | prev_wv->help = Qnil; |
| 946 | first_wv = prev_wv; |
| 947 | |
| 948 | /* Loop over all panes and items, filling in the tree. */ |
| 949 | i = MENU_ITEMS_PANE_LENGTH; |
| 950 | while (i < menu_items_used) |
| 951 | { |
| 952 | |
| 953 | /* Create a new item within current pane. */ |
| 954 | Lisp_Object item_name, enable, descrip, help; |
| 955 | |
| 956 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
| 957 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); |
| 958 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
| 959 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); |
| 960 | |
| 961 | if (NILP (item_name)) |
| 962 | { |
| 963 | free_menubar_widget_value_tree (first_wv); |
| 964 | *error = "Submenu in dialog items"; |
| 965 | return Qnil; |
| 966 | } |
| 967 | if (EQ (item_name, Qquote)) |
| 968 | { |
| 969 | /* This is the boundary between left-side elts |
| 970 | and right-side elts. Stop incrementing right_count. */ |
| 971 | boundary_seen = 1; |
| 972 | i++; |
| 973 | continue; |
| 974 | } |
| 975 | if (nb_buttons >= 9) |
| 976 | { |
| 977 | free_menubar_widget_value_tree (first_wv); |
| 978 | *error = "Too many dialog items"; |
| 979 | return Qnil; |
| 980 | } |
| 981 | |
| 982 | wv = xmalloc_widget_value (); |
| 983 | prev_wv->next = wv; |
| 984 | wv->name = (char *) button_names[nb_buttons]; |
| 985 | if (!NILP (descrip)) |
| 986 | wv->key = SSDATA (descrip); |
| 987 | wv->value = SSDATA (item_name); |
| 988 | wv->call_data = aref_addr (menu_items, i); |
| 989 | wv->enabled = !NILP (enable); |
| 990 | wv->help = Qnil; |
| 991 | prev_wv = wv; |
| 992 | |
| 993 | if (! boundary_seen) |
| 994 | left_count++; |
| 995 | |
| 996 | nb_buttons++; |
| 997 | i += MENU_ITEMS_ITEM_LENGTH; |
| 998 | } |
| 999 | |
| 1000 | /* If the boundary was not specified, |
| 1001 | by default put half on the left and half on the right. */ |
| 1002 | if (! boundary_seen) |
| 1003 | left_count = nb_buttons - nb_buttons / 2; |
| 1004 | |
| 1005 | wv = xmalloc_widget_value (); |
| 1006 | wv->name = dialog_name; |
| 1007 | wv->help = Qnil; |
| 1008 | |
| 1009 | /* Frame title: 'Q' = Question, 'I' = Information. |
| 1010 | Can also have 'E' = Error if, one day, we want |
| 1011 | a popup for errors. */ |
| 1012 | if (NILP (header)) |
| 1013 | dialog_name[0] = 'Q'; |
| 1014 | else |
| 1015 | dialog_name[0] = 'I'; |
| 1016 | |
| 1017 | /* Dialog boxes use a really stupid name encoding |
| 1018 | which specifies how many buttons to use |
| 1019 | and how many buttons are on the right. */ |
| 1020 | dialog_name[1] = '0' + nb_buttons; |
| 1021 | dialog_name[2] = 'B'; |
| 1022 | dialog_name[3] = 'R'; |
| 1023 | /* Number of buttons to put on the right. */ |
| 1024 | dialog_name[4] = '0' + nb_buttons - left_count; |
| 1025 | dialog_name[5] = 0; |
| 1026 | wv->contents = first_wv; |
| 1027 | first_wv = wv; |
| 1028 | } |
| 1029 | |
| 1030 | /* Actually create the dialog. */ |
| 1031 | dialog_id = widget_id_tick++; |
| 1032 | menu = lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
| 1033 | f->output_data.w32->widget, 1, 0, |
| 1034 | dialog_selection_callback, 0); |
| 1035 | lw_modify_all_widgets (dialog_id, first_wv->contents, TRUE); |
| 1036 | |
| 1037 | /* Free the widget_value objects we used to specify the contents. */ |
| 1038 | free_menubar_widget_value_tree (first_wv); |
| 1039 | |
| 1040 | /* No selection has been chosen yet. */ |
| 1041 | menu_item_selection = 0; |
| 1042 | |
| 1043 | /* Display the menu. */ |
| 1044 | lw_pop_up_all_widgets (dialog_id); |
| 1045 | |
| 1046 | /* Process events that apply to the menu. */ |
| 1047 | popup_get_selection ((XEvent *) 0, FRAME_DISPLAY_INFO (f), dialog_id); |
| 1048 | |
| 1049 | lw_destroy_all_widgets (dialog_id); |
| 1050 | |
| 1051 | /* Find the selected item, and its pane, to return |
| 1052 | the proper value. */ |
| 1053 | if (menu_item_selection != 0) |
| 1054 | { |
| 1055 | Lisp_Object prefix; |
| 1056 | |
| 1057 | prefix = Qnil; |
| 1058 | i = 0; |
| 1059 | while (i < menu_items_used) |
| 1060 | { |
| 1061 | Lisp_Object entry; |
| 1062 | |
| 1063 | if (EQ (AREF (menu_items, i), Qt)) |
| 1064 | { |
| 1065 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
| 1066 | i += MENU_ITEMS_PANE_LENGTH; |
| 1067 | } |
| 1068 | else |
| 1069 | { |
| 1070 | entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
| 1071 | if (menu_item_selection == i) |
| 1072 | { |
| 1073 | if (keymaps != 0) |
| 1074 | { |
| 1075 | entry = Fcons (entry, Qnil); |
| 1076 | if (!NILP (prefix)) |
| 1077 | entry = Fcons (prefix, entry); |
| 1078 | } |
| 1079 | return entry; |
| 1080 | } |
| 1081 | i += MENU_ITEMS_ITEM_LENGTH; |
| 1082 | } |
| 1083 | } |
| 1084 | } |
| 1085 | else |
| 1086 | /* Make "Cancel" equivalent to C-g. */ |
| 1087 | Fsignal (Qquit, Qnil); |
| 1088 | |
| 1089 | return Qnil; |
| 1090 | } |
| 1091 | #else /* !HAVE_DIALOGS */ |
| 1092 | |
| 1093 | /* Currently we only handle Yes No dialogs (y-or-n-p and yes-or-no-p) as |
| 1094 | simple dialogs. We could handle a few more, but I'm not aware of |
| 1095 | anywhere in Emacs that uses the other specific dialog choices that |
| 1096 | MessageBox provides. */ |
| 1097 | |
| 1098 | static int |
| 1099 | is_simple_dialog (Lisp_Object contents) |
| 1100 | { |
| 1101 | Lisp_Object options; |
| 1102 | Lisp_Object name, yes, no, other; |
| 1103 | |
| 1104 | if (!CONSP (contents)) |
| 1105 | return 0; |
| 1106 | options = XCDR (contents); |
| 1107 | |
| 1108 | yes = build_string ("Yes"); |
| 1109 | no = build_string ("No"); |
| 1110 | |
| 1111 | if (!CONSP (options)) |
| 1112 | return 0; |
| 1113 | |
| 1114 | name = XCAR (options); |
| 1115 | if (!CONSP (name)) |
| 1116 | return 0; |
| 1117 | name = XCAR (name); |
| 1118 | |
| 1119 | if (!NILP (Fstring_equal (name, yes))) |
| 1120 | other = no; |
| 1121 | else if (!NILP (Fstring_equal (name, no))) |
| 1122 | other = yes; |
| 1123 | else |
| 1124 | return 0; |
| 1125 | |
| 1126 | options = XCDR (options); |
| 1127 | if (!CONSP (options)) |
| 1128 | return 0; |
| 1129 | |
| 1130 | name = XCAR (options); |
| 1131 | if (!CONSP (name)) |
| 1132 | return 0; |
| 1133 | name = XCAR (name); |
| 1134 | if (NILP (Fstring_equal (name, other))) |
| 1135 | return 0; |
| 1136 | |
| 1137 | /* Check there are no more options. */ |
| 1138 | options = XCDR (options); |
| 1139 | return !(CONSP (options)); |
| 1140 | } |
| 1141 | |
| 1142 | static Lisp_Object |
| 1143 | simple_dialog_show (struct frame *f, Lisp_Object contents, Lisp_Object header) |
| 1144 | { |
| 1145 | int answer; |
| 1146 | UINT type; |
| 1147 | Lisp_Object lispy_answer = Qnil, temp = XCAR (contents); |
| 1148 | |
| 1149 | type = MB_YESNO; |
| 1150 | |
| 1151 | /* Since we only handle Yes/No dialogs, and we already checked |
| 1152 | is_simple_dialog, we don't need to worry about checking contents |
| 1153 | to see what type of dialog to use. */ |
| 1154 | |
| 1155 | /* Use Unicode if possible, so any language can be displayed. */ |
| 1156 | if (unicode_message_box) |
| 1157 | { |
| 1158 | WCHAR *text; |
| 1159 | const WCHAR *title; |
| 1160 | USE_SAFE_ALLOCA; |
| 1161 | |
| 1162 | if (STRINGP (temp)) |
| 1163 | { |
| 1164 | char *utf8_text = SDATA (ENCODE_UTF_8 (temp)); |
| 1165 | /* Be pessimistic about the number of characters needed. |
| 1166 | Remember characters outside the BMP will take more than |
| 1167 | one utf16 word, so we cannot simply use the character |
| 1168 | length of temp. */ |
| 1169 | int utf8_len = strlen (utf8_text); |
| 1170 | text = SAFE_ALLOCA ((utf8_len + 1) * sizeof (WCHAR)); |
| 1171 | utf8to16 (utf8_text, utf8_len, text); |
| 1172 | } |
| 1173 | else |
| 1174 | { |
| 1175 | text = L""; |
| 1176 | } |
| 1177 | |
| 1178 | if (NILP (header)) |
| 1179 | { |
| 1180 | title = L"Question"; |
| 1181 | type |= MB_ICONQUESTION; |
| 1182 | } |
| 1183 | else |
| 1184 | { |
| 1185 | title = L"Information"; |
| 1186 | type |= MB_ICONINFORMATION; |
| 1187 | } |
| 1188 | |
| 1189 | answer = unicode_message_box (FRAME_W32_WINDOW (f), text, title, type); |
| 1190 | SAFE_FREE (); |
| 1191 | } |
| 1192 | else |
| 1193 | { |
| 1194 | const char *text, *title; |
| 1195 | |
| 1196 | /* Fall back on ANSI message box, but at least use system |
| 1197 | encoding so questions representable by the system codepage |
| 1198 | are encoded properly. */ |
| 1199 | if (STRINGP (temp)) |
| 1200 | text = SDATA (ENCODE_SYSTEM (temp)); |
| 1201 | else |
| 1202 | text = ""; |
| 1203 | |
| 1204 | if (NILP (header)) |
| 1205 | { |
| 1206 | title = "Question"; |
| 1207 | type |= MB_ICONQUESTION; |
| 1208 | } |
| 1209 | else |
| 1210 | { |
| 1211 | title = "Information"; |
| 1212 | type |= MB_ICONINFORMATION; |
| 1213 | } |
| 1214 | |
| 1215 | answer = MessageBox (FRAME_W32_WINDOW (f), text, title, type); |
| 1216 | } |
| 1217 | |
| 1218 | if (answer == IDYES) |
| 1219 | lispy_answer = build_string ("Yes"); |
| 1220 | else if (answer == IDNO) |
| 1221 | lispy_answer = build_string ("No"); |
| 1222 | else |
| 1223 | Fsignal (Qquit, Qnil); |
| 1224 | |
| 1225 | for (temp = XCDR (contents); CONSP (temp); temp = XCDR (temp)) |
| 1226 | { |
| 1227 | Lisp_Object item, name, value; |
| 1228 | item = XCAR (temp); |
| 1229 | if (CONSP (item)) |
| 1230 | { |
| 1231 | name = XCAR (item); |
| 1232 | value = XCDR (item); |
| 1233 | } |
| 1234 | else |
| 1235 | { |
| 1236 | name = item; |
| 1237 | value = Qnil; |
| 1238 | } |
| 1239 | |
| 1240 | if (!NILP (Fstring_equal (name, lispy_answer))) |
| 1241 | { |
| 1242 | return value; |
| 1243 | } |
| 1244 | } |
| 1245 | Fsignal (Qquit, Qnil); |
| 1246 | return Qnil; |
| 1247 | } |
| 1248 | #endif /* !HAVE_DIALOGS */ |
| 1249 | \f |
| 1250 | |
| 1251 | /* UTF8: 0xxxxxxx, 110xxxxx 10xxxxxx, 1110xxxx, 10xxxxxx, 10xxxxxx */ |
| 1252 | static void |
| 1253 | utf8to16 (unsigned char * src, int len, WCHAR * dest) |
| 1254 | { |
| 1255 | while (len > 0) |
| 1256 | { |
| 1257 | if (*src < 0x80) |
| 1258 | { |
| 1259 | *dest = (WCHAR) *src; |
| 1260 | dest++; src++; len--; |
| 1261 | } |
| 1262 | /* Since we might get >3 byte sequences which we don't handle, ignore the extra parts. */ |
| 1263 | else if (*src < 0xC0) |
| 1264 | { |
| 1265 | src++; len--; |
| 1266 | } |
| 1267 | /* 2 char UTF-8 sequence. */ |
| 1268 | else if (*src < 0xE0) |
| 1269 | { |
| 1270 | *dest = (WCHAR) (((*src & 0x1f) << 6) |
| 1271 | | (*(src + 1) & 0x3f)); |
| 1272 | src += 2; len -= 2; dest++; |
| 1273 | } |
| 1274 | else if (*src < 0xF0) |
| 1275 | { |
| 1276 | *dest = (WCHAR) (((*src & 0x0f) << 12) |
| 1277 | | ((*(src + 1) & 0x3f) << 6) |
| 1278 | | (*(src + 2) & 0x3f)); |
| 1279 | src += 3; len -= 3; dest++; |
| 1280 | } |
| 1281 | else /* Not encodable. Insert Unicode Substitution char. */ |
| 1282 | { |
| 1283 | *dest = (WCHAR) 0xfffd; |
| 1284 | src++; len--; dest++; |
| 1285 | } |
| 1286 | } |
| 1287 | *dest = 0; |
| 1288 | } |
| 1289 | |
| 1290 | static int |
| 1291 | add_menu_item (HMENU menu, widget_value *wv, HMENU item) |
| 1292 | { |
| 1293 | UINT fuFlags; |
| 1294 | char *out_string, *p, *q; |
| 1295 | int return_value; |
| 1296 | size_t nlen, orig_len; |
| 1297 | USE_SAFE_ALLOCA; |
| 1298 | |
| 1299 | if (menu_separator_name_p (wv->name)) |
| 1300 | { |
| 1301 | fuFlags = MF_SEPARATOR; |
| 1302 | out_string = NULL; |
| 1303 | } |
| 1304 | else |
| 1305 | { |
| 1306 | if (wv->enabled) |
| 1307 | fuFlags = MF_STRING; |
| 1308 | else |
| 1309 | fuFlags = MF_STRING | MF_GRAYED; |
| 1310 | |
| 1311 | if (wv->key != NULL) |
| 1312 | { |
| 1313 | out_string = SAFE_ALLOCA (strlen (wv->name) + strlen (wv->key) + 2); |
| 1314 | strcpy (out_string, wv->name); |
| 1315 | strcat (out_string, "\t"); |
| 1316 | strcat (out_string, wv->key); |
| 1317 | } |
| 1318 | else |
| 1319 | out_string = (char *)wv->name; |
| 1320 | |
| 1321 | /* Quote any special characters within the menu item's text and |
| 1322 | key binding. */ |
| 1323 | nlen = orig_len = strlen (out_string); |
| 1324 | if (unicode_append_menu) |
| 1325 | { |
| 1326 | /* With UTF-8, & cannot be part of a multibyte character. */ |
| 1327 | for (p = out_string; *p; p++) |
| 1328 | { |
| 1329 | if (*p == '&') |
| 1330 | nlen++; |
| 1331 | } |
| 1332 | } |
| 1333 | #ifndef NTGUI_UNICODE |
| 1334 | else |
| 1335 | { |
| 1336 | /* If encoded with the system codepage, use multibyte string |
| 1337 | functions in case of multibyte characters that contain '&'. */ |
| 1338 | for (p = out_string; *p; p = _mbsinc (p)) |
| 1339 | { |
| 1340 | if (_mbsnextc (p) == '&') |
| 1341 | nlen++; |
| 1342 | } |
| 1343 | } |
| 1344 | #endif /* !NTGUI_UNICODE */ |
| 1345 | |
| 1346 | if (nlen > orig_len) |
| 1347 | { |
| 1348 | p = out_string; |
| 1349 | out_string = SAFE_ALLOCA (nlen + 1); |
| 1350 | q = out_string; |
| 1351 | while (*p) |
| 1352 | { |
| 1353 | if (unicode_append_menu) |
| 1354 | { |
| 1355 | if (*p == '&') |
| 1356 | *q++ = *p; |
| 1357 | *q++ = *p++; |
| 1358 | } |
| 1359 | #ifndef NTGUI_UNICODE |
| 1360 | else |
| 1361 | { |
| 1362 | if (_mbsnextc (p) == '&') |
| 1363 | { |
| 1364 | _mbsncpy (q, p, 1); |
| 1365 | q = _mbsinc (q); |
| 1366 | } |
| 1367 | _mbsncpy (q, p, 1); |
| 1368 | p = _mbsinc (p); |
| 1369 | q = _mbsinc (q); |
| 1370 | } |
| 1371 | #endif /* !NTGUI_UNICODE */ |
| 1372 | } |
| 1373 | *q = '\0'; |
| 1374 | } |
| 1375 | |
| 1376 | if (item != NULL) |
| 1377 | fuFlags = MF_POPUP; |
| 1378 | else if (wv->title || wv->call_data == 0) |
| 1379 | { |
| 1380 | /* Only use MF_OWNERDRAW if GetMenuItemInfo is usable, since |
| 1381 | we can't deallocate the memory otherwise. */ |
| 1382 | if (get_menu_item_info) |
| 1383 | { |
| 1384 | out_string = (char *) local_alloc (strlen (wv->name) + 1); |
| 1385 | strcpy (out_string, wv->name); |
| 1386 | #ifdef MENU_DEBUG |
| 1387 | DebPrint ("Menu: allocating %ld for owner-draw", out_string); |
| 1388 | #endif |
| 1389 | fuFlags = MF_OWNERDRAW | MF_DISABLED; |
| 1390 | } |
| 1391 | else |
| 1392 | fuFlags = MF_DISABLED; |
| 1393 | } |
| 1394 | |
| 1395 | /* Draw radio buttons and tickboxes. */ |
| 1396 | else if (wv->selected && (wv->button_type == BUTTON_TYPE_TOGGLE || |
| 1397 | wv->button_type == BUTTON_TYPE_RADIO)) |
| 1398 | fuFlags |= MF_CHECKED; |
| 1399 | else |
| 1400 | fuFlags |= MF_UNCHECKED; |
| 1401 | } |
| 1402 | |
| 1403 | if (unicode_append_menu && out_string) |
| 1404 | { |
| 1405 | /* Convert out_string from UTF-8 to UTF-16-LE. */ |
| 1406 | int utf8_len = strlen (out_string); |
| 1407 | WCHAR * utf16_string; |
| 1408 | if (fuFlags & MF_OWNERDRAW) |
| 1409 | utf16_string = local_alloc ((utf8_len + 1) * sizeof (WCHAR)); |
| 1410 | else |
| 1411 | utf16_string = SAFE_ALLOCA ((utf8_len + 1) * sizeof (WCHAR)); |
| 1412 | |
| 1413 | utf8to16 (out_string, utf8_len, utf16_string); |
| 1414 | return_value = unicode_append_menu (menu, fuFlags, |
| 1415 | item != NULL ? (UINT_PTR) item |
| 1416 | : (UINT_PTR) wv->call_data, |
| 1417 | utf16_string); |
| 1418 | |
| 1419 | #ifndef NTGUI_UNICODE /* Fallback does not apply when always UNICODE */ |
| 1420 | if (!return_value) |
| 1421 | { |
| 1422 | /* On W9x/ME, Unicode menus are not supported, though AppendMenuW |
| 1423 | apparently does exist at least in some cases and appears to be |
| 1424 | stubbed out to do nothing. out_string is UTF-8, but since |
| 1425 | our standard menus are in English and this is only going to |
| 1426 | happen the first time a menu is used, the encoding is |
| 1427 | of minor importance compared with menus not working at all. */ |
| 1428 | return_value = |
| 1429 | AppendMenu (menu, fuFlags, |
| 1430 | item != NULL ? (UINT_PTR) item: (UINT_PTR) wv->call_data, |
| 1431 | out_string); |
| 1432 | /* Don't use Unicode menus in future, unless this is Windows |
| 1433 | NT or later, where a failure of AppendMenuW does NOT mean |
| 1434 | Unicode menus are unsupported. */ |
| 1435 | if (osinfo_cache.dwPlatformId != VER_PLATFORM_WIN32_NT) |
| 1436 | unicode_append_menu = NULL; |
| 1437 | } |
| 1438 | #endif /* NTGUI_UNICODE */ |
| 1439 | |
| 1440 | if (unicode_append_menu && (fuFlags & MF_OWNERDRAW)) |
| 1441 | local_free (out_string); |
| 1442 | } |
| 1443 | else |
| 1444 | { |
| 1445 | return_value = |
| 1446 | AppendMenu (menu, |
| 1447 | fuFlags, |
| 1448 | item != NULL ? (UINT_PTR) item : (UINT_PTR) wv->call_data, |
| 1449 | out_string ); |
| 1450 | } |
| 1451 | |
| 1452 | /* This must be done after the menu item is created. */ |
| 1453 | if (!wv->title && wv->call_data != 0) |
| 1454 | { |
| 1455 | if (set_menu_item_info) |
| 1456 | { |
| 1457 | MENUITEMINFO info; |
| 1458 | memset (&info, 0, sizeof (info)); |
| 1459 | info.cbSize = sizeof (info); |
| 1460 | info.fMask = MIIM_DATA; |
| 1461 | |
| 1462 | /* Set help string for menu item. Leave it as a Lisp_Object |
| 1463 | until it is ready to be displayed, since GC can happen while |
| 1464 | menus are active. */ |
| 1465 | if (!NILP (wv->help)) |
| 1466 | { |
| 1467 | /* As of Jul-2012, w32api headers say that dwItemData |
| 1468 | has DWORD type, but that's a bug: it should actually |
| 1469 | be ULONG_PTR, which is correct for 32-bit and 64-bit |
| 1470 | Windows alike. MSVC headers get it right; hopefully, |
| 1471 | MinGW headers will, too. */ |
| 1472 | info.dwItemData = (ULONG_PTR) XLI (wv->help); |
| 1473 | } |
| 1474 | if (wv->button_type == BUTTON_TYPE_RADIO) |
| 1475 | { |
| 1476 | /* CheckMenuRadioItem allows us to differentiate TOGGLE and |
| 1477 | RADIO items, but is not available on NT 3.51 and earlier. */ |
| 1478 | info.fMask |= MIIM_TYPE | MIIM_STATE; |
| 1479 | info.fType = MFT_RADIOCHECK | MFT_STRING; |
| 1480 | info.dwTypeData = out_string; |
| 1481 | info.fState = wv->selected ? MFS_CHECKED : MFS_UNCHECKED; |
| 1482 | } |
| 1483 | |
| 1484 | set_menu_item_info (menu, |
| 1485 | item != NULL ? (UINT_PTR) item : (UINT_PTR) wv->call_data, |
| 1486 | FALSE, &info); |
| 1487 | } |
| 1488 | } |
| 1489 | SAFE_FREE (); |
| 1490 | return return_value; |
| 1491 | } |
| 1492 | |
| 1493 | /* Construct native Windows menu(bar) based on widget_value tree. */ |
| 1494 | static int |
| 1495 | fill_in_menu (HMENU menu, widget_value *wv) |
| 1496 | { |
| 1497 | for ( ; wv != NULL; wv = wv->next) |
| 1498 | { |
| 1499 | if (wv->contents) |
| 1500 | { |
| 1501 | HMENU sub_menu = CreatePopupMenu (); |
| 1502 | |
| 1503 | if (sub_menu == NULL) |
| 1504 | return 0; |
| 1505 | |
| 1506 | if (!fill_in_menu (sub_menu, wv->contents) || |
| 1507 | !add_menu_item (menu, wv, sub_menu)) |
| 1508 | { |
| 1509 | DestroyMenu (sub_menu); |
| 1510 | return 0; |
| 1511 | } |
| 1512 | } |
| 1513 | else |
| 1514 | { |
| 1515 | if (!add_menu_item (menu, wv, NULL)) |
| 1516 | return 0; |
| 1517 | } |
| 1518 | } |
| 1519 | return 1; |
| 1520 | } |
| 1521 | |
| 1522 | /* Display help string for currently pointed to menu item. Not |
| 1523 | supported on NT 3.51 and earlier, as GetMenuItemInfo is not |
| 1524 | available. */ |
| 1525 | void |
| 1526 | w32_menu_display_help (HWND owner, HMENU menu, UINT item, UINT flags) |
| 1527 | { |
| 1528 | if (get_menu_item_info) |
| 1529 | { |
| 1530 | struct frame *f = x_window_to_frame (&one_w32_display_info, owner); |
| 1531 | Lisp_Object frame, help; |
| 1532 | |
| 1533 | /* No help echo on owner-draw menu items, or when the keyboard is used |
| 1534 | to navigate the menus, since tooltips are distracting if they pop |
| 1535 | up elsewhere. */ |
| 1536 | if (flags & MF_OWNERDRAW || flags & MF_POPUP |
| 1537 | || !(flags & MF_MOUSESELECT)) |
| 1538 | help = Qnil; |
| 1539 | else |
| 1540 | { |
| 1541 | MENUITEMINFO info; |
| 1542 | |
| 1543 | memset (&info, 0, sizeof (info)); |
| 1544 | info.cbSize = sizeof (info); |
| 1545 | info.fMask = MIIM_DATA; |
| 1546 | get_menu_item_info (menu, item, FALSE, &info); |
| 1547 | |
| 1548 | help = info.dwItemData ? XIL (info.dwItemData) : Qnil; |
| 1549 | } |
| 1550 | |
| 1551 | /* Store the help echo in the keyboard buffer as the X toolkit |
| 1552 | version does, rather than directly showing it. This seems to |
| 1553 | solve the GC problems that were present when we based the |
| 1554 | Windows code on the non-toolkit version. */ |
| 1555 | if (f) |
| 1556 | { |
| 1557 | XSETFRAME (frame, f); |
| 1558 | kbd_buffer_store_help_event (frame, help); |
| 1559 | } |
| 1560 | else |
| 1561 | /* X version has a loop through frames here, which doesn't |
| 1562 | appear to do anything, unless it has some side effect. */ |
| 1563 | show_help_echo (help, Qnil, Qnil, Qnil); |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | /* Free memory used by owner-drawn strings. */ |
| 1568 | static void |
| 1569 | w32_free_submenu_strings (HMENU menu) |
| 1570 | { |
| 1571 | int i, num = GetMenuItemCount (menu); |
| 1572 | for (i = 0; i < num; i++) |
| 1573 | { |
| 1574 | MENUITEMINFO info; |
| 1575 | memset (&info, 0, sizeof (info)); |
| 1576 | info.cbSize = sizeof (info); |
| 1577 | info.fMask = MIIM_DATA | MIIM_TYPE | MIIM_SUBMENU; |
| 1578 | |
| 1579 | get_menu_item_info (menu, i, TRUE, &info); |
| 1580 | |
| 1581 | /* Owner-drawn names are held in dwItemData. */ |
| 1582 | if ((info.fType & MF_OWNERDRAW) && info.dwItemData) |
| 1583 | { |
| 1584 | #ifdef MENU_DEBUG |
| 1585 | DebPrint ("Menu: freeing %ld for owner-draw", info.dwItemData); |
| 1586 | #endif |
| 1587 | local_free (info.dwItemData); |
| 1588 | } |
| 1589 | |
| 1590 | /* Recurse down submenus. */ |
| 1591 | if (info.hSubMenu) |
| 1592 | w32_free_submenu_strings (info.hSubMenu); |
| 1593 | } |
| 1594 | } |
| 1595 | |
| 1596 | void |
| 1597 | w32_free_menu_strings (HWND hwnd) |
| 1598 | { |
| 1599 | HMENU menu = current_popup_menu; |
| 1600 | |
| 1601 | if (get_menu_item_info) |
| 1602 | { |
| 1603 | /* If there is no popup menu active, free the strings from the frame's |
| 1604 | menubar. */ |
| 1605 | if (!menu) |
| 1606 | menu = GetMenu (hwnd); |
| 1607 | |
| 1608 | if (menu) |
| 1609 | w32_free_submenu_strings (menu); |
| 1610 | } |
| 1611 | |
| 1612 | current_popup_menu = NULL; |
| 1613 | } |
| 1614 | |
| 1615 | /* The following is used by delayed window autoselection. */ |
| 1616 | |
| 1617 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, |
| 1618 | doc: /* Return t if a menu or popup dialog is active on selected frame. */) |
| 1619 | (void) |
| 1620 | { |
| 1621 | struct frame *f; |
| 1622 | f = SELECTED_FRAME (); |
| 1623 | return (f->output_data.w32->menubar_active > 0) ? Qt : Qnil; |
| 1624 | } |
| 1625 | |
| 1626 | void |
| 1627 | syms_of_w32menu (void) |
| 1628 | { |
| 1629 | globals_of_w32menu (); |
| 1630 | |
| 1631 | current_popup_menu = NULL; |
| 1632 | |
| 1633 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
| 1634 | DEFSYM (Qunsupported__w32_dialog, "unsupported--w32-dialog"); |
| 1635 | |
| 1636 | defsubr (&Smenu_or_popup_active_p); |
| 1637 | } |
| 1638 | |
| 1639 | /* |
| 1640 | globals_of_w32menu is used to initialize those global variables that |
| 1641 | must always be initialized on startup even when the global variable |
| 1642 | initialized is non zero (see the function main in emacs.c). |
| 1643 | globals_of_w32menu is called from syms_of_w32menu when the global |
| 1644 | variable initialized is 0 and directly from main when initialized |
| 1645 | is non zero. |
| 1646 | */ |
| 1647 | void |
| 1648 | globals_of_w32menu (void) |
| 1649 | { |
| 1650 | #ifndef NTGUI_UNICODE |
| 1651 | /* See if Get/SetMenuItemInfo functions are available. */ |
| 1652 | HMODULE user32 = GetModuleHandle ("user32.dll"); |
| 1653 | get_menu_item_info = (GetMenuItemInfoA_Proc) GetProcAddress (user32, "GetMenuItemInfoA"); |
| 1654 | set_menu_item_info = (SetMenuItemInfoA_Proc) GetProcAddress (user32, "SetMenuItemInfoA"); |
| 1655 | unicode_append_menu = (AppendMenuW_Proc) GetProcAddress (user32, "AppendMenuW"); |
| 1656 | unicode_message_box = (MessageBoxW_Proc) GetProcAddress (user32, "MessageBoxW"); |
| 1657 | #endif /* !NTGUI_UNICODE */ |
| 1658 | } |