| 1 | /* X Communication module for terminals which understand the X protocol. |
| 2 | Copyright (C) 1986, 1988, 1993, 1994 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* Written by Kevin Gallo. */ |
| 22 | |
| 23 | #include <signal.h> |
| 24 | #include <config.h> |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include "lisp.h" |
| 28 | #include "termhooks.h" |
| 29 | #include "frame.h" |
| 30 | #include "window.h" |
| 31 | #include "keyboard.h" |
| 32 | #include "blockinput.h" |
| 33 | |
| 34 | /* This may include sys/types.h, and that somehow loses |
| 35 | if this is not done before the other system files. */ |
| 36 | #include "w32term.h" |
| 37 | |
| 38 | /* Load sys/types.h if not already loaded. |
| 39 | In some systems loading it twice is suicidal. */ |
| 40 | #ifndef makedev |
| 41 | #include <sys/types.h> |
| 42 | #endif |
| 43 | |
| 44 | #include "dispextern.h" |
| 45 | |
| 46 | #define min(x, y) (((x) < (y)) ? (x) : (y)) |
| 47 | #define max(x, y) (((x) > (y)) ? (x) : (y)) |
| 48 | |
| 49 | typedef struct menu_map |
| 50 | { |
| 51 | Lisp_Object menu_items; |
| 52 | int menu_items_allocated; |
| 53 | int menu_items_used; |
| 54 | } menu_map; |
| 55 | |
| 56 | extern Lisp_Object Qmenu_enable; |
| 57 | extern Lisp_Object Qmenu_bar; |
| 58 | |
| 59 | static Lisp_Object win32_dialog_show (); |
| 60 | static Lisp_Object win32menu_show (); |
| 61 | |
| 62 | static HMENU keymap_panes (); |
| 63 | static HMENU single_keymap_panes (); |
| 64 | static HMENU list_of_panes (); |
| 65 | static HMENU list_of_items (); |
| 66 | |
| 67 | static HMENU create_menu_items (); |
| 68 | |
| 69 | /* Initialize the menu_items structure if we haven't already done so. |
| 70 | Also mark it as currently empty. */ |
| 71 | |
| 72 | static void |
| 73 | init_menu_items (lpmm) |
| 74 | menu_map * lpmm; |
| 75 | { |
| 76 | if (NILP (lpmm->menu_items)) |
| 77 | { |
| 78 | lpmm->menu_items_allocated = 60; |
| 79 | lpmm->menu_items = Fmake_vector (make_number (lpmm->menu_items_allocated), |
| 80 | Qnil); |
| 81 | } |
| 82 | |
| 83 | lpmm->menu_items_used = 0; |
| 84 | } |
| 85 | |
| 86 | /* Call when finished using the data for the current menu |
| 87 | in menu_items. */ |
| 88 | |
| 89 | static void |
| 90 | discard_menu_items (lpmm) |
| 91 | menu_map * lpmm; |
| 92 | { |
| 93 | lpmm->menu_items = Qnil; |
| 94 | lpmm->menu_items_allocated = lpmm->menu_items_used = 0; |
| 95 | } |
| 96 | |
| 97 | /* Make the menu_items vector twice as large. */ |
| 98 | |
| 99 | static void |
| 100 | grow_menu_items (lpmm) |
| 101 | menu_map * lpmm; |
| 102 | { |
| 103 | Lisp_Object new; |
| 104 | int old_size = lpmm->menu_items_allocated; |
| 105 | |
| 106 | lpmm->menu_items_allocated *= 2; |
| 107 | new = Fmake_vector (make_number (lpmm->menu_items_allocated), Qnil); |
| 108 | bcopy (XVECTOR (lpmm->menu_items)->contents, XVECTOR (new)->contents, |
| 109 | old_size * sizeof (Lisp_Object)); |
| 110 | |
| 111 | lpmm->menu_items = new; |
| 112 | } |
| 113 | |
| 114 | /* Indicate boundary between left and right. */ |
| 115 | |
| 116 | static void |
| 117 | add_left_right_boundary (hmenu) |
| 118 | HMENU hmenu; |
| 119 | { |
| 120 | AppendMenu (hmenu, MF_MENUBARBREAK, 0, NULL); |
| 121 | } |
| 122 | |
| 123 | /* Push one menu item into the current pane. |
| 124 | NAME is the string to display. ENABLE if non-nil means |
| 125 | this item can be selected. KEY is the key generated by |
| 126 | choosing this item. EQUIV is the textual description |
| 127 | of the keyboard equivalent for this item (or nil if none). */ |
| 128 | |
| 129 | static void |
| 130 | add_menu_item (lpmm, hmenu, name, enable, key) |
| 131 | menu_map * lpmm; |
| 132 | HMENU hmenu; |
| 133 | Lisp_Object name; |
| 134 | UINT enable; |
| 135 | Lisp_Object key; |
| 136 | { |
| 137 | UINT fuFlags; |
| 138 | |
| 139 | if (NILP (name) |
| 140 | || ((char *) XSTRING (name)->data)[0] == 0 |
| 141 | || strcmp ((char *) XSTRING (name)->data, "--") == 0) |
| 142 | fuFlags = MF_SEPARATOR; |
| 143 | else if (enable) |
| 144 | fuFlags = MF_STRING; |
| 145 | else |
| 146 | fuFlags = MF_STRING | MF_GRAYED; |
| 147 | |
| 148 | AppendMenu (hmenu, |
| 149 | fuFlags, |
| 150 | lpmm->menu_items_used + 1, |
| 151 | (fuFlags == MF_SEPARATOR)?NULL: (char *) XSTRING (name)->data); |
| 152 | |
| 153 | lpmm->menu_items_used++; |
| 154 | #if 0 |
| 155 | if (lpmm->menu_items_used >= lpmm->menu_items_allocated) |
| 156 | grow_menu_items (lpmm); |
| 157 | |
| 158 | XSET (XVECTOR (lpmm->menu_items)->contents[lpmm->menu_items_used++], |
| 159 | Lisp_Cons, |
| 160 | key); |
| 161 | #endif |
| 162 | } |
| 163 | \f |
| 164 | /* Figure out the current keyboard equivalent of a menu item ITEM1. |
| 165 | The item string for menu display should be ITEM_STRING. |
| 166 | Store the equivalent keyboard key sequence's |
| 167 | textual description into *DESCRIP_PTR. |
| 168 | Also cache them in the item itself. |
| 169 | Return the real definition to execute. */ |
| 170 | |
| 171 | static Lisp_Object |
| 172 | menu_item_equiv_key (item_string, item1, descrip_ptr) |
| 173 | Lisp_Object item_string; |
| 174 | Lisp_Object item1; |
| 175 | Lisp_Object *descrip_ptr; |
| 176 | { |
| 177 | /* This is the real definition--the function to run. */ |
| 178 | Lisp_Object def; |
| 179 | /* This is the sublist that records cached equiv key data |
| 180 | so we can save time. */ |
| 181 | Lisp_Object cachelist; |
| 182 | /* These are the saved equivalent keyboard key sequence |
| 183 | and its key-description. */ |
| 184 | Lisp_Object savedkey, descrip; |
| 185 | Lisp_Object def1; |
| 186 | int changed = 0; |
| 187 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 188 | |
| 189 | /* If a help string follows the item string, skip it. */ |
| 190 | if (CONSP (XCONS (item1)->cdr) |
| 191 | && STRINGP (XCONS (XCONS (item1)->cdr)->car)) |
| 192 | item1 = XCONS (item1)->cdr; |
| 193 | |
| 194 | def = Fcdr (item1); |
| 195 | |
| 196 | /* Get out the saved equivalent-keyboard-key info. */ |
| 197 | cachelist = savedkey = descrip = Qnil; |
| 198 | if (CONSP (def) && CONSP (XCONS (def)->car) |
| 199 | && (NILP (XCONS (XCONS (def)->car)->car) |
| 200 | || VECTORP (XCONS (XCONS (def)->car)->car))) |
| 201 | { |
| 202 | cachelist = XCONS (def)->car; |
| 203 | def = XCONS (def)->cdr; |
| 204 | savedkey = XCONS (cachelist)->car; |
| 205 | descrip = XCONS (cachelist)->cdr; |
| 206 | } |
| 207 | |
| 208 | GCPRO4 (def, def1, savedkey, descrip); |
| 209 | |
| 210 | /* Is it still valid? */ |
| 211 | def1 = Qnil; |
| 212 | if (!NILP (savedkey)) |
| 213 | def1 = Fkey_binding (savedkey, Qnil); |
| 214 | /* If not, update it. */ |
| 215 | if (! EQ (def1, def) |
| 216 | /* If the command is an alias for another |
| 217 | (such as easymenu.el and lmenu.el set it up), |
| 218 | check if the original command matches the cached command. */ |
| 219 | && !(SYMBOLP (def) && SYMBOLP (XSYMBOL (def)->function) |
| 220 | && EQ (def1, XSYMBOL (def)->function)) |
| 221 | /* If something had no key binding before, don't recheck it-- |
| 222 | doing that takes too much time and makes menus too slow. */ |
| 223 | && !(!NILP (cachelist) && NILP (savedkey))) |
| 224 | { |
| 225 | changed = 1; |
| 226 | descrip = Qnil; |
| 227 | savedkey = Fwhere_is_internal (def, Qnil, Qt, Qnil); |
| 228 | /* If the command is an alias for another |
| 229 | (such as easymenu.el and lmenu.el set it up), |
| 230 | see if the original command name has equivalent keys. */ |
| 231 | if (SYMBOLP (def) && SYMBOLP (XSYMBOL (def)->function)) |
| 232 | savedkey = Fwhere_is_internal (XSYMBOL (def)->function, |
| 233 | Qnil, Qt, Qnil); |
| 234 | |
| 235 | if (VECTORP (savedkey) |
| 236 | && EQ (XVECTOR (savedkey)->contents[0], Qmenu_bar)) |
| 237 | savedkey = Qnil; |
| 238 | if (!NILP (savedkey)) |
| 239 | { |
| 240 | descrip = Fkey_description (savedkey); |
| 241 | descrip = concat2 (make_string (" (", 3), descrip); |
| 242 | descrip = concat2 (descrip, make_string (")", 1)); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | /* Cache the data we just got in a sublist of the menu binding. */ |
| 247 | if (NILP (cachelist)) |
| 248 | XCONS (item1)->cdr = Fcons (Fcons (savedkey, descrip), def); |
| 249 | else if (changed) |
| 250 | { |
| 251 | XCONS (cachelist)->car = savedkey; |
| 252 | XCONS (cachelist)->cdr = descrip; |
| 253 | } |
| 254 | |
| 255 | UNGCPRO; |
| 256 | *descrip_ptr = descrip; |
| 257 | return def; |
| 258 | } |
| 259 | |
| 260 | /* This is used as the handler when calling internal_condition_case_1. */ |
| 261 | |
| 262 | static Lisp_Object |
| 263 | menu_item_enabled_p_1 (arg) |
| 264 | Lisp_Object arg; |
| 265 | { |
| 266 | return Qnil; |
| 267 | } |
| 268 | |
| 269 | /* Return non-nil if the command DEF is enabled when used as a menu item. |
| 270 | This is based on looking for a menu-enable property. |
| 271 | If NOTREAL is set, don't bother really computing this. */ |
| 272 | |
| 273 | static Lisp_Object |
| 274 | menu_item_enabled_p (def, notreal) |
| 275 | Lisp_Object def; |
| 276 | { |
| 277 | Lisp_Object enabled, tem; |
| 278 | |
| 279 | enabled = Qt; |
| 280 | if (notreal) |
| 281 | return enabled; |
| 282 | if (XTYPE (def) == Lisp_Symbol) |
| 283 | { |
| 284 | /* No property, or nil, means enable. |
| 285 | Otherwise, enable if value is not nil. */ |
| 286 | tem = Fget (def, Qmenu_enable); |
| 287 | if (!NILP (tem)) |
| 288 | /* (condition-case nil (eval tem) |
| 289 | (error nil)) */ |
| 290 | enabled = internal_condition_case_1 (Feval, tem, Qerror, |
| 291 | menu_item_enabled_p_1); |
| 292 | } |
| 293 | return enabled; |
| 294 | } |
| 295 | \f |
| 296 | /* Look through KEYMAPS, a vector of keymaps that is NMAPS long, |
| 297 | and generate menu panes for them in menu_items. |
| 298 | If NOTREAL is nonzero, |
| 299 | don't bother really computing whether an item is enabled. */ |
| 300 | |
| 301 | static HMENU |
| 302 | keymap_panes (lpmm, keymaps, nmaps, notreal) |
| 303 | menu_map * lpmm; |
| 304 | Lisp_Object *keymaps; |
| 305 | int nmaps; |
| 306 | int notreal; |
| 307 | { |
| 308 | int mapno; |
| 309 | |
| 310 | // init_menu_items (lpmm); |
| 311 | |
| 312 | if (nmaps > 1) |
| 313 | { |
| 314 | HMENU hmenu; |
| 315 | |
| 316 | if (!notreal) |
| 317 | { |
| 318 | hmenu = CreateMenu (); |
| 319 | |
| 320 | if (!hmenu) return (NULL); |
| 321 | } |
| 322 | else |
| 323 | { |
| 324 | hmenu = NULL; |
| 325 | } |
| 326 | |
| 327 | /* Loop over the given keymaps, making a pane for each map. |
| 328 | But don't make a pane that is empty--ignore that map instead. |
| 329 | P is the number of panes we have made so far. */ |
| 330 | for (mapno = 0; mapno < nmaps; mapno++) |
| 331 | { |
| 332 | HMENU new_hmenu; |
| 333 | |
| 334 | new_hmenu = single_keymap_panes (lpmm, keymaps[mapno], |
| 335 | Qnil, Qnil, notreal); |
| 336 | |
| 337 | if (!notreal && new_hmenu) |
| 338 | { |
| 339 | AppendMenu (hmenu, MF_POPUP, (UINT)new_hmenu, ""); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | return (hmenu); |
| 344 | } |
| 345 | else |
| 346 | { |
| 347 | return (single_keymap_panes (lpmm, keymaps[0], Qnil, Qnil, notreal)); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | /* This is a recursive subroutine of keymap_panes. |
| 352 | It handles one keymap, KEYMAP. |
| 353 | The other arguments are passed along |
| 354 | or point to local variables of the previous function. |
| 355 | If NOTREAL is nonzero, |
| 356 | don't bother really computing whether an item is enabled. */ |
| 357 | |
| 358 | HMENU |
| 359 | single_keymap_panes (lpmm, keymap, pane_name, prefix, notreal) |
| 360 | menu_map * lpmm; |
| 361 | Lisp_Object keymap; |
| 362 | Lisp_Object pane_name; |
| 363 | Lisp_Object prefix; |
| 364 | int notreal; |
| 365 | { |
| 366 | Lisp_Object pending_maps; |
| 367 | Lisp_Object tail, item, item1, item_string, table; |
| 368 | HMENU hmenu; |
| 369 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 370 | |
| 371 | if (!notreal) |
| 372 | { |
| 373 | hmenu = CreateMenu (); |
| 374 | if (hmenu == NULL) return NULL; |
| 375 | } |
| 376 | else |
| 377 | { |
| 378 | hmenu = NULL; |
| 379 | } |
| 380 | |
| 381 | pending_maps = Qnil; |
| 382 | |
| 383 | for (tail = keymap; XTYPE (tail) == Lisp_Cons; tail = XCONS (tail)->cdr) |
| 384 | { |
| 385 | /* Look at each key binding, and if it has a menu string, |
| 386 | make a menu item from it. */ |
| 387 | |
| 388 | item = XCONS (tail)->car; |
| 389 | |
| 390 | if (CONSP (item)) |
| 391 | { |
| 392 | item1 = XCONS (item)->cdr; |
| 393 | |
| 394 | if (XTYPE (item1) == Lisp_Cons) |
| 395 | { |
| 396 | item_string = XCONS (item1)->car; |
| 397 | if (XTYPE (item_string) == Lisp_String) |
| 398 | { |
| 399 | /* This is the real definition--the function to run. */ |
| 400 | |
| 401 | Lisp_Object def; |
| 402 | |
| 403 | /* These are the saved equivalent keyboard key sequence |
| 404 | and its key-description. */ |
| 405 | |
| 406 | Lisp_Object descrip; |
| 407 | Lisp_Object tem, enabled; |
| 408 | |
| 409 | /* GCPRO because ...enabled_p will call eval |
| 410 | and ..._equiv_key may autoload something. |
| 411 | Protecting KEYMAP preserves everything we use; |
| 412 | aside from that, must protect whatever might be |
| 413 | a string. Since there's no GCPRO5, we refetch |
| 414 | item_string instead of protecting it. */ |
| 415 | |
| 416 | descrip = def = Qnil; |
| 417 | GCPRO4 (keymap, pending_maps, def, prefix); |
| 418 | |
| 419 | def = menu_item_equiv_key (item_string, item1, &descrip); |
| 420 | enabled = menu_item_enabled_p (def, notreal); |
| 421 | |
| 422 | UNGCPRO; |
| 423 | |
| 424 | item_string = XCONS (item1)->car; |
| 425 | |
| 426 | tem = Fkeymapp (def); |
| 427 | if (XSTRING (item_string)->data[0] == '@' && !NILP (tem)) |
| 428 | { |
| 429 | pending_maps = Fcons (Fcons (def, |
| 430 | Fcons (item_string, |
| 431 | XCONS (item)->car)), |
| 432 | pending_maps); |
| 433 | } |
| 434 | else |
| 435 | { |
| 436 | Lisp_Object submap; |
| 437 | |
| 438 | GCPRO4 (keymap, pending_maps, item, item_string); |
| 439 | |
| 440 | submap = get_keymap_1 (def, 0, 1); |
| 441 | |
| 442 | UNGCPRO; |
| 443 | |
| 444 | if (NILP (submap)) |
| 445 | { |
| 446 | if (!notreal) |
| 447 | { |
| 448 | add_menu_item (lpmm, |
| 449 | hmenu, |
| 450 | item_string, |
| 451 | !NILP (enabled), |
| 452 | Fcons (XCONS (item)->car, prefix)); |
| 453 | } |
| 454 | } |
| 455 | else |
| 456 | /* Display a submenu. */ |
| 457 | { |
| 458 | HMENU new_hmenu = single_keymap_panes (lpmm, |
| 459 | submap, |
| 460 | item_string, |
| 461 | XCONS (item)->car, |
| 462 | notreal); |
| 463 | |
| 464 | if (!notreal) |
| 465 | { |
| 466 | AppendMenu (hmenu, MF_POPUP, |
| 467 | (UINT)new_hmenu, |
| 468 | (char *) XSTRING (item_string)->data); |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | else if (VECTORP (item)) |
| 476 | { |
| 477 | /* Loop over the char values represented in the vector. */ |
| 478 | int len = XVECTOR (item)->size; |
| 479 | int c; |
| 480 | for (c = 0; c < len; c++) |
| 481 | { |
| 482 | Lisp_Object character; |
| 483 | XSETFASTINT (character, c); |
| 484 | item1 = XVECTOR (item)->contents[c]; |
| 485 | if (CONSP (item1)) |
| 486 | { |
| 487 | item_string = XCONS (item1)->car; |
| 488 | if (STRINGP (item_string)) |
| 489 | { |
| 490 | Lisp_Object def; |
| 491 | |
| 492 | /* These are the saved equivalent keyboard key sequence |
| 493 | and its key-description. */ |
| 494 | Lisp_Object descrip; |
| 495 | Lisp_Object tem, enabled; |
| 496 | |
| 497 | /* GCPRO because ...enabled_p will call eval |
| 498 | and ..._equiv_key may autoload something. |
| 499 | Protecting KEYMAP preserves everything we use; |
| 500 | aside from that, must protect whatever might be |
| 501 | a string. Since there's no GCPRO5, we refetch |
| 502 | item_string instead of protecting it. */ |
| 503 | GCPRO4 (keymap, pending_maps, def, descrip); |
| 504 | descrip = def = Qnil; |
| 505 | |
| 506 | def = menu_item_equiv_key (item_string, item1, &descrip); |
| 507 | enabled = menu_item_enabled_p (def, notreal); |
| 508 | |
| 509 | UNGCPRO; |
| 510 | |
| 511 | item_string = XCONS (item1)->car; |
| 512 | |
| 513 | tem = Fkeymapp (def); |
| 514 | if (XSTRING (item_string)->data[0] == '@' && !NILP (tem)) |
| 515 | pending_maps = Fcons (Fcons (def, Fcons (item_string, character)), |
| 516 | pending_maps); |
| 517 | else |
| 518 | { |
| 519 | Lisp_Object submap; |
| 520 | |
| 521 | GCPRO4 (keymap, pending_maps, descrip, item_string); |
| 522 | |
| 523 | submap = get_keymap_1 (def, 0, 1); |
| 524 | |
| 525 | UNGCPRO; |
| 526 | |
| 527 | if (NILP (submap)) |
| 528 | { |
| 529 | if (!notreal) |
| 530 | { |
| 531 | add_menu_item (lpmm, |
| 532 | hmenu, |
| 533 | item_string, |
| 534 | !NILP (enabled), |
| 535 | character); |
| 536 | } |
| 537 | } |
| 538 | else |
| 539 | /* Display a submenu. */ |
| 540 | { |
| 541 | HMENU new_hmenu = single_keymap_panes (lpmm, |
| 542 | submap, |
| 543 | Qnil, |
| 544 | character, |
| 545 | notreal); |
| 546 | |
| 547 | if (!notreal) |
| 548 | { |
| 549 | AppendMenu (hmenu,MF_POPUP, |
| 550 | (UINT)new_hmenu, |
| 551 | (char *)XSTRING (item_string)->data); |
| 552 | } |
| 553 | } |
| 554 | } |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | /* Process now any submenus which want to be panes at this level. */ |
| 562 | while (!NILP (pending_maps)) |
| 563 | { |
| 564 | Lisp_Object elt, eltcdr, string; |
| 565 | elt = Fcar (pending_maps); |
| 566 | eltcdr = XCONS (elt)->cdr; |
| 567 | string = XCONS (eltcdr)->car; |
| 568 | /* We no longer discard the @ from the beginning of the string here. |
| 569 | Instead, we do this in win32menu_show. */ |
| 570 | { |
| 571 | HMENU new_hmenu = single_keymap_panes (lpmm, |
| 572 | Fcar (elt), |
| 573 | string, |
| 574 | XCONS (eltcdr)->cdr, notreal); |
| 575 | |
| 576 | if (!notreal) |
| 577 | { |
| 578 | AppendMenu (hmenu, MF_POPUP, |
| 579 | (UINT)new_hmenu, |
| 580 | (char *) XSTRING (string)->data); |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | pending_maps = Fcdr (pending_maps); |
| 585 | } |
| 586 | |
| 587 | return (hmenu); |
| 588 | } |
| 589 | \f |
| 590 | /* Push all the panes and items of a menu described by the |
| 591 | alist-of-alists MENU. |
| 592 | This handles old-fashioned calls to x-popup-menu. */ |
| 593 | |
| 594 | static HMENU |
| 595 | list_of_panes (lpmm, menu) |
| 596 | menu_map * lpmm; |
| 597 | Lisp_Object menu; |
| 598 | { |
| 599 | Lisp_Object tail; |
| 600 | HMENU hmenu; |
| 601 | |
| 602 | hmenu = CreateMenu (); |
| 603 | if (hmenu == NULL) return NULL; |
| 604 | |
| 605 | // init_menu_items (lpmm); |
| 606 | |
| 607 | for (tail = menu; !NILP (tail); tail = Fcdr (tail)) |
| 608 | { |
| 609 | Lisp_Object elt, pane_name, pane_data; |
| 610 | HMENU new_hmenu; |
| 611 | |
| 612 | elt = Fcar (tail); |
| 613 | pane_name = Fcar (elt); |
| 614 | CHECK_STRING (pane_name, 0); |
| 615 | pane_data = Fcdr (elt); |
| 616 | CHECK_CONS (pane_data, 0); |
| 617 | |
| 618 | new_hmenu = list_of_items (lpmm, pane_data); |
| 619 | if (new_hmenu == NULL) goto error; |
| 620 | |
| 621 | AppendMenu (hmenu, MF_POPUP, (UINT)new_hmenu, |
| 622 | (char *) XSTRING (pane_name)->data); |
| 623 | } |
| 624 | |
| 625 | return (hmenu); |
| 626 | |
| 627 | error: |
| 628 | DestroyMenu (hmenu); |
| 629 | |
| 630 | return (NULL); |
| 631 | } |
| 632 | |
| 633 | /* Push the items in a single pane defined by the alist PANE. */ |
| 634 | |
| 635 | static HMENU |
| 636 | list_of_items (lpmm, pane) |
| 637 | menu_map * lpmm; |
| 638 | Lisp_Object pane; |
| 639 | { |
| 640 | Lisp_Object tail, item, item1; |
| 641 | HMENU hmenu; |
| 642 | |
| 643 | hmenu = CreateMenu (); |
| 644 | if (hmenu == NULL) return NULL; |
| 645 | |
| 646 | for (tail = pane; !NILP (tail); tail = Fcdr (tail)) |
| 647 | { |
| 648 | item = Fcar (tail); |
| 649 | if (STRINGP (item)) |
| 650 | add_menu_item (lpmm, hmenu, item, Qnil, Qnil); |
| 651 | else if (NILP (item)) |
| 652 | add_left_right_boundary (); |
| 653 | else |
| 654 | { |
| 655 | CHECK_CONS (item, 0); |
| 656 | item1 = Fcar (item); |
| 657 | CHECK_STRING (item1, 1); |
| 658 | add_menu_item (lpmm, hmenu, item1, Qt, Fcdr (item)); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | return (hmenu); |
| 663 | } |
| 664 | \f |
| 665 | |
| 666 | HMENU |
| 667 | create_menu_items (lpmm, menu, notreal) |
| 668 | menu_map * lpmm; |
| 669 | Lisp_Object menu; |
| 670 | int notreal; |
| 671 | { |
| 672 | Lisp_Object title; |
| 673 | Lisp_Object keymap, tem; |
| 674 | HMENU hmenu; |
| 675 | |
| 676 | title = Qnil; |
| 677 | |
| 678 | /* Decode the menu items from what was specified. */ |
| 679 | |
| 680 | keymap = Fkeymapp (menu); |
| 681 | tem = Qnil; |
| 682 | if (XTYPE (menu) == Lisp_Cons) |
| 683 | tem = Fkeymapp (Fcar (menu)); |
| 684 | |
| 685 | if (!NILP (keymap)) |
| 686 | { |
| 687 | /* We were given a keymap. Extract menu info from the keymap. */ |
| 688 | Lisp_Object prompt; |
| 689 | keymap = get_keymap (menu); |
| 690 | |
| 691 | /* Extract the detailed info to make one pane. */ |
| 692 | hmenu = keymap_panes (lpmm, &keymap, 1, notreal); |
| 693 | |
| 694 | #if 0 |
| 695 | /* Search for a string appearing directly as an element of the keymap. |
| 696 | That string is the title of the menu. */ |
| 697 | prompt = map_prompt (keymap); |
| 698 | |
| 699 | /* Make that be the pane title of the first pane. */ |
| 700 | if (!NILP (prompt) && menu_items_n_panes >= 0) |
| 701 | XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME] = prompt; |
| 702 | #endif |
| 703 | } |
| 704 | else if (!NILP (tem)) |
| 705 | { |
| 706 | /* We were given a list of keymaps. */ |
| 707 | int nmaps = XFASTINT (Flength (menu)); |
| 708 | Lisp_Object *maps |
| 709 | = (Lisp_Object *) alloca (nmaps * sizeof (Lisp_Object)); |
| 710 | int i; |
| 711 | |
| 712 | title = Qnil; |
| 713 | |
| 714 | /* The first keymap that has a prompt string |
| 715 | supplies the menu title. */ |
| 716 | for (tem = menu, i = 0; XTYPE (tem) == Lisp_Cons; tem = Fcdr (tem)) |
| 717 | { |
| 718 | Lisp_Object prompt; |
| 719 | |
| 720 | maps[i++] = keymap = get_keymap (Fcar (tem)); |
| 721 | #if 0 |
| 722 | prompt = map_prompt (keymap); |
| 723 | if (NILP (title) && !NILP (prompt)) |
| 724 | title = prompt; |
| 725 | #endif |
| 726 | } |
| 727 | |
| 728 | /* Extract the detailed info to make one pane. */ |
| 729 | hmenu = keymap_panes (lpmm, maps, nmaps, notreal); |
| 730 | |
| 731 | #if 0 |
| 732 | /* Make the title be the pane title of the first pane. */ |
| 733 | if (!NILP (title) && menu_items_n_panes >= 0) |
| 734 | XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME] = title; |
| 735 | #endif |
| 736 | } |
| 737 | else |
| 738 | { |
| 739 | /* We were given an old-fashioned menu. */ |
| 740 | title = Fcar (menu); |
| 741 | CHECK_STRING (title, 1); |
| 742 | |
| 743 | hmenu = list_of_panes (lpmm, Fcdr (menu)); |
| 744 | } |
| 745 | |
| 746 | return (hmenu); |
| 747 | } |
| 748 | |
| 749 | /* This is a recursive subroutine of keymap_panes. |
| 750 | It handles one keymap, KEYMAP. |
| 751 | The other arguments are passed along |
| 752 | or point to local variables of the previous function. |
| 753 | If NOTREAL is nonzero, |
| 754 | don't bother really computing whether an item is enabled. */ |
| 755 | |
| 756 | Lisp_Object |
| 757 | get_single_keymap_event (keymap, lpnum) |
| 758 | Lisp_Object keymap; |
| 759 | int * lpnum; |
| 760 | { |
| 761 | Lisp_Object pending_maps; |
| 762 | Lisp_Object tail, item, item1, item_string, table; |
| 763 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 764 | |
| 765 | pending_maps = Qnil; |
| 766 | |
| 767 | for (tail = keymap; XTYPE (tail) == Lisp_Cons; tail = XCONS (tail)->cdr) |
| 768 | { |
| 769 | /* Look at each key binding, and if it has a menu string, |
| 770 | make a menu item from it. */ |
| 771 | |
| 772 | item = XCONS (tail)->car; |
| 773 | |
| 774 | if (XTYPE (item) == Lisp_Cons) |
| 775 | { |
| 776 | item1 = XCONS (item)->cdr; |
| 777 | |
| 778 | if (CONSP (item1)) |
| 779 | { |
| 780 | item_string = XCONS (item1)->car; |
| 781 | if (XTYPE (item_string) == Lisp_String) |
| 782 | { |
| 783 | /* This is the real definition--the function to run. */ |
| 784 | |
| 785 | Lisp_Object def; |
| 786 | |
| 787 | /* These are the saved equivalent keyboard key sequence |
| 788 | and its key-description. */ |
| 789 | |
| 790 | Lisp_Object descrip; |
| 791 | Lisp_Object tem, enabled; |
| 792 | |
| 793 | /* GCPRO because ...enabled_p will call eval |
| 794 | and ..._equiv_key may autoload something. |
| 795 | Protecting KEYMAP preserves everything we use; |
| 796 | aside from that, must protect whatever might be |
| 797 | a string. Since there's no GCPRO5, we refetch |
| 798 | item_string instead of protecting it. */ |
| 799 | |
| 800 | descrip = def = Qnil; |
| 801 | GCPRO3 (keymap, pending_maps, def); |
| 802 | |
| 803 | def = menu_item_equiv_key (item_string, item1, &descrip); |
| 804 | |
| 805 | UNGCPRO; |
| 806 | |
| 807 | item_string = XCONS (item1)->car; |
| 808 | |
| 809 | tem = Fkeymapp (def); |
| 810 | if (XSTRING (item_string)->data[0] == '@' && !NILP (tem)) |
| 811 | { |
| 812 | pending_maps = Fcons (Fcons (def, |
| 813 | Fcons (item_string, |
| 814 | XCONS (item)->car)), |
| 815 | pending_maps); |
| 816 | } |
| 817 | else |
| 818 | { |
| 819 | Lisp_Object submap; |
| 820 | |
| 821 | GCPRO4 (keymap, pending_maps, item, item_string); |
| 822 | |
| 823 | submap = get_keymap_1 (def, 0, 1); |
| 824 | |
| 825 | UNGCPRO; |
| 826 | |
| 827 | if (NILP (submap)) |
| 828 | { |
| 829 | if (--(*lpnum) == 0) |
| 830 | { |
| 831 | return (Fcons (XCONS (item)->car, Qnil)); |
| 832 | } |
| 833 | } |
| 834 | else |
| 835 | /* Display a submenu. */ |
| 836 | { |
| 837 | Lisp_Object event = get_single_keymap_event (submap, |
| 838 | lpnum); |
| 839 | |
| 840 | if (*lpnum <= 0) |
| 841 | { |
| 842 | if (!NILP (XCONS (item)->car)) |
| 843 | event = Fcons (XCONS (item)->car, event); |
| 844 | |
| 845 | return (event); |
| 846 | } |
| 847 | } |
| 848 | } |
| 849 | } |
| 850 | } |
| 851 | } |
| 852 | else if (VECTORP (item)) |
| 853 | { |
| 854 | /* Loop over the char values represented in the vector. */ |
| 855 | int len = XVECTOR (item)->size; |
| 856 | int c; |
| 857 | for (c = 0; c < len; c++) |
| 858 | { |
| 859 | Lisp_Object character; |
| 860 | XSETFASTINT (character, c); |
| 861 | item1 = XVECTOR (item)->contents[c]; |
| 862 | if (XTYPE (item1) == Lisp_Cons) |
| 863 | { |
| 864 | item_string = XCONS (item1)->car; |
| 865 | if (XTYPE (item_string) == Lisp_String) |
| 866 | { |
| 867 | Lisp_Object def; |
| 868 | |
| 869 | /* These are the saved equivalent keyboard key sequence |
| 870 | and its key-description. */ |
| 871 | Lisp_Object descrip; |
| 872 | Lisp_Object tem, enabled; |
| 873 | |
| 874 | /* GCPRO because ...enabled_p will call eval |
| 875 | and ..._equiv_key may autoload something. |
| 876 | Protecting KEYMAP preserves everything we use; |
| 877 | aside from that, must protect whatever might be |
| 878 | a string. Since there's no GCPRO5, we refetch |
| 879 | item_string instead of protecting it. */ |
| 880 | GCPRO4 (keymap, pending_maps, def, descrip); |
| 881 | descrip = def = Qnil; |
| 882 | |
| 883 | def = menu_item_equiv_key (item_string, item1, &descrip); |
| 884 | |
| 885 | UNGCPRO; |
| 886 | |
| 887 | item_string = XCONS (item1)->car; |
| 888 | |
| 889 | tem = Fkeymapp (def); |
| 890 | if (XSTRING (item_string)->data[0] == '@' && !NILP (tem)) |
| 891 | pending_maps = Fcons (Fcons (def, Fcons (item_string, character)), |
| 892 | pending_maps); |
| 893 | else |
| 894 | { |
| 895 | Lisp_Object submap; |
| 896 | |
| 897 | GCPRO4 (keymap, pending_maps, descrip, item_string); |
| 898 | |
| 899 | submap = get_keymap_1 (def, 0, 1); |
| 900 | |
| 901 | UNGCPRO; |
| 902 | |
| 903 | if (NILP (submap)) |
| 904 | { |
| 905 | if (--(*lpnum) == 0) |
| 906 | { |
| 907 | return (Fcons (character, Qnil)); |
| 908 | } |
| 909 | } |
| 910 | else |
| 911 | /* Display a submenu. */ |
| 912 | { |
| 913 | Lisp_Object event = get_single_keymap_event (submap, |
| 914 | lpnum); |
| 915 | |
| 916 | if (*lpnum <= 0) |
| 917 | { |
| 918 | if (!NILP (character)) |
| 919 | event = Fcons (character, event); |
| 920 | |
| 921 | return (event); |
| 922 | } |
| 923 | } |
| 924 | } |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | /* Process now any submenus which want to be panes at this level. */ |
| 932 | while (!NILP (pending_maps)) |
| 933 | { |
| 934 | Lisp_Object elt, eltcdr, string; |
| 935 | elt = Fcar (pending_maps); |
| 936 | eltcdr = XCONS (elt)->cdr; |
| 937 | string = XCONS (eltcdr)->car; |
| 938 | /* We no longer discard the @ from the beginning of the string here. |
| 939 | Instead, we do this in win32menu_show. */ |
| 940 | { |
| 941 | Lisp_Object event = get_single_keymap_event (Fcar (elt), lpnum); |
| 942 | |
| 943 | if (*lpnum <= 0) |
| 944 | { |
| 945 | if (!NILP (XCONS (eltcdr)->cdr)) |
| 946 | event = Fcons (XCONS (eltcdr)->cdr, event); |
| 947 | |
| 948 | return (event); |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | pending_maps = Fcdr (pending_maps); |
| 953 | } |
| 954 | |
| 955 | return (Qnil); |
| 956 | } |
| 957 | |
| 958 | /* Look through KEYMAPS, a vector of keymaps that is NMAPS long, |
| 959 | and generate menu panes for them in menu_items. |
| 960 | If NOTREAL is nonzero, |
| 961 | don't bother really computing whether an item is enabled. */ |
| 962 | |
| 963 | static Lisp_Object |
| 964 | get_keymap_event (keymaps, nmaps, lpnum) |
| 965 | Lisp_Object *keymaps; |
| 966 | int nmaps; |
| 967 | int * lpnum; |
| 968 | { |
| 969 | int mapno; |
| 970 | Lisp_Object event = Qnil; |
| 971 | |
| 972 | /* Loop over the given keymaps, making a pane for each map. |
| 973 | But don't make a pane that is empty--ignore that map instead. |
| 974 | P is the number of panes we have made so far. */ |
| 975 | for (mapno = 0; mapno < nmaps; mapno++) |
| 976 | { |
| 977 | event = get_single_keymap_event (keymaps[mapno], lpnum); |
| 978 | |
| 979 | if (*lpnum <= 0) break; |
| 980 | } |
| 981 | |
| 982 | return (event); |
| 983 | } |
| 984 | |
| 985 | static Lisp_Object |
| 986 | get_list_of_items_event (pane, lpnum) |
| 987 | Lisp_Object pane; |
| 988 | int * lpnum; |
| 989 | { |
| 990 | Lisp_Object tail, item, item1; |
| 991 | |
| 992 | for (tail = pane; !NILP (tail); tail = Fcdr (tail)) |
| 993 | { |
| 994 | item = Fcar (tail); |
| 995 | if (STRINGP (item)) |
| 996 | { |
| 997 | if (-- (*lpnum) == 0) |
| 998 | { |
| 999 | return (Qnil); |
| 1000 | } |
| 1001 | } |
| 1002 | else if (!NILP (item)) |
| 1003 | { |
| 1004 | if (--(*lpnum) == 0) |
| 1005 | { |
| 1006 | CHECK_CONS (item, 0); |
| 1007 | return (Fcdr (item)); |
| 1008 | } |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | return (Qnil); |
| 1013 | } |
| 1014 | |
| 1015 | /* Push all the panes and items of a menu described by the |
| 1016 | alist-of-alists MENU. |
| 1017 | This handles old-fashioned calls to x-popup-menu. */ |
| 1018 | |
| 1019 | static Lisp_Object |
| 1020 | get_list_of_panes_event (menu, lpnum) |
| 1021 | Lisp_Object menu; |
| 1022 | int * lpnum; |
| 1023 | { |
| 1024 | Lisp_Object tail; |
| 1025 | |
| 1026 | for (tail = menu; !NILP (tail); tail = Fcdr (tail)) |
| 1027 | { |
| 1028 | Lisp_Object elt, pane_name, pane_data; |
| 1029 | Lisp_Object event; |
| 1030 | |
| 1031 | elt = Fcar (tail); |
| 1032 | pane_data = Fcdr (elt); |
| 1033 | CHECK_CONS (pane_data, 0); |
| 1034 | |
| 1035 | event = get_list_of_items_event (pane_data, lpnum); |
| 1036 | |
| 1037 | if (*lpnum <= 0) |
| 1038 | { |
| 1039 | return (event); |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | return (Qnil); |
| 1044 | } |
| 1045 | |
| 1046 | Lisp_Object |
| 1047 | get_menu_event (menu, lpnum) |
| 1048 | Lisp_Object menu; |
| 1049 | int * lpnum; |
| 1050 | { |
| 1051 | Lisp_Object keymap, tem; |
| 1052 | Lisp_Object event; |
| 1053 | |
| 1054 | /* Decode the menu items from what was specified. */ |
| 1055 | |
| 1056 | keymap = Fkeymapp (menu); |
| 1057 | tem = Qnil; |
| 1058 | if (XTYPE (menu) == Lisp_Cons) |
| 1059 | tem = Fkeymapp (Fcar (menu)); |
| 1060 | |
| 1061 | if (!NILP (keymap)) |
| 1062 | { |
| 1063 | keymap = get_keymap (menu); |
| 1064 | |
| 1065 | event = get_keymap_event (menu, 1, lpnum); |
| 1066 | } |
| 1067 | else if (!NILP (tem)) |
| 1068 | { |
| 1069 | /* We were given a list of keymaps. */ |
| 1070 | int nmaps = XFASTINT (Flength (menu)); |
| 1071 | Lisp_Object *maps |
| 1072 | = (Lisp_Object *) alloca (nmaps * sizeof (Lisp_Object)); |
| 1073 | int i; |
| 1074 | |
| 1075 | /* The first keymap that has a prompt string |
| 1076 | supplies the menu title. */ |
| 1077 | for (tem = menu, i = 0; XTYPE (tem) == Lisp_Cons; tem = Fcdr (tem)) |
| 1078 | { |
| 1079 | Lisp_Object prompt; |
| 1080 | |
| 1081 | maps[i++] = keymap = get_keymap (Fcar (tem)); |
| 1082 | } |
| 1083 | |
| 1084 | event = get_keymap_event (maps, nmaps, lpnum); |
| 1085 | } |
| 1086 | else |
| 1087 | { |
| 1088 | /* We were given an old-fashioned menu. */ |
| 1089 | event = get_list_of_panes_event (Fcdr (menu), lpnum); |
| 1090 | } |
| 1091 | |
| 1092 | return (event); |
| 1093 | } |
| 1094 | |
| 1095 | DEFUN ("x-popup-menu", Fx_popup_menu, Sx_popup_menu, 2, 2, 0, |
| 1096 | "Pop up a deck-of-cards menu and return user's selection.\n\ |
| 1097 | POSITION is a position specification. This is either a mouse button event\n\ |
| 1098 | or a list ((XOFFSET YOFFSET) WINDOW)\n\ |
| 1099 | where XOFFSET and YOFFSET are positions in pixels from the top left\n\ |
| 1100 | corner of WINDOW's frame. (WINDOW may be a frame object instead of a window.)\n\ |
| 1101 | This controls the position of the center of the first line\n\ |
| 1102 | in the first pane of the menu, not the top left of the menu as a whole.\n\ |
| 1103 | If POSITION is t, it means to use the current mouse position.\n\ |
| 1104 | \n\ |
| 1105 | MENU is a specifier for a menu. For the simplest case, MENU is a keymap.\n\ |
| 1106 | The menu items come from key bindings that have a menu string as well as\n\ |
| 1107 | a definition; actually, the \"definition\" in such a key binding looks like\n\ |
| 1108 | \(STRING . REAL-DEFINITION). To give the menu a title, put a string into\n\ |
| 1109 | the keymap as a top-level element.\n\n\ |
| 1110 | You can also use a list of keymaps as MENU.\n\ |
| 1111 | Then each keymap makes a separate pane.\n\ |
| 1112 | When MENU is a keymap or a list of keymaps, the return value\n\ |
| 1113 | is a list of events.\n\n\ |
| 1114 | Alternatively, you can specify a menu of multiple panes\n\ |
| 1115 | with a list of the form (TITLE PANE1 PANE2...),\n\ |
| 1116 | where each pane is a list of form (TITLE ITEM1 ITEM2...).\n\ |
| 1117 | Each ITEM is normally a cons cell (STRING . VALUE);\n\ |
| 1118 | but a string can appear as an item--that makes a nonselectable line\n\ |
| 1119 | in the menu.\n\ |
| 1120 | With this form of menu, the return value is VALUE from the chosen item.\n\ |
| 1121 | \n\ |
| 1122 | If POSITION is nil, don't display the menu at all, just precalculate the\n\ |
| 1123 | cached information about equivalent key sequences.") |
| 1124 | (position, menu) |
| 1125 | Lisp_Object position, menu; |
| 1126 | { |
| 1127 | int number_of_panes, panes; |
| 1128 | Lisp_Object keymap, tem; |
| 1129 | int xpos, ypos; |
| 1130 | Lisp_Object title; |
| 1131 | char *error_name; |
| 1132 | Lisp_Object selection; |
| 1133 | int i, j; |
| 1134 | FRAME_PTR f; |
| 1135 | Lisp_Object x, y, window; |
| 1136 | int keymaps = 0; |
| 1137 | int menubarp = 0; |
| 1138 | struct gcpro gcpro1; |
| 1139 | HMENU hmenu; |
| 1140 | menu_map mm; |
| 1141 | |
| 1142 | if (! NILP (position)) |
| 1143 | { |
| 1144 | /* Decode the first argument: find the window and the coordinates. */ |
| 1145 | if (EQ (position, Qt)) |
| 1146 | { |
| 1147 | /* Use the mouse's current position. */ |
| 1148 | FRAME_PTR new_f = 0; |
| 1149 | Lisp_Object bar_window; |
| 1150 | int part; |
| 1151 | unsigned long time; |
| 1152 | |
| 1153 | if (mouse_position_hook) |
| 1154 | (*mouse_position_hook) (&new_f, &bar_window, &part, &x, &y, &time); |
| 1155 | if (new_f != 0) |
| 1156 | XSETFRAME (window, new_f); |
| 1157 | else |
| 1158 | { |
| 1159 | window = selected_window; |
| 1160 | XSETFASTINT (x, 0); |
| 1161 | XSETFASTINT (y, 0); |
| 1162 | } |
| 1163 | } |
| 1164 | else |
| 1165 | { |
| 1166 | tem = Fcar (position); |
| 1167 | if (CONSP (tem)) |
| 1168 | { |
| 1169 | window = Fcar (Fcdr (position)); |
| 1170 | x = Fcar (tem); |
| 1171 | y = Fcar (Fcdr (tem)); |
| 1172 | } |
| 1173 | else |
| 1174 | { |
| 1175 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
| 1176 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
| 1177 | tem = Fcar (Fcdr (Fcdr (tem))); /* POSN_WINDOW_POSN (tem) */ |
| 1178 | x = Fcar (tem); |
| 1179 | y = Fcdr (tem); |
| 1180 | |
| 1181 | /* Determine whether this menu is handling a menu bar click. */ |
| 1182 | tem = Fcar (Fcdr (Fcar (Fcdr (position)))); |
| 1183 | if (CONSP (tem) && EQ (Fcar (tem), Qmenu_bar)) |
| 1184 | menubarp = 1; |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | CHECK_NUMBER (x, 0); |
| 1189 | CHECK_NUMBER (y, 0); |
| 1190 | |
| 1191 | /* Decode where to put the menu. */ |
| 1192 | |
| 1193 | if (FRAMEP (window)) |
| 1194 | { |
| 1195 | f = XFRAME (window); |
| 1196 | |
| 1197 | xpos = 0; |
| 1198 | ypos = 0; |
| 1199 | } |
| 1200 | else if (WINDOWP (window)) |
| 1201 | { |
| 1202 | CHECK_LIVE_WINDOW (window, 0); |
| 1203 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
| 1204 | |
| 1205 | xpos = (FONT_WIDTH (f->output_data.win32->font) * XWINDOW (window)->left); |
| 1206 | ypos = (f->output_data.win32->line_height * XWINDOW (window)->top); |
| 1207 | } |
| 1208 | else |
| 1209 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, |
| 1210 | but I don't want to make one now. */ |
| 1211 | CHECK_WINDOW (window, 0); |
| 1212 | |
| 1213 | xpos += XINT (x); |
| 1214 | ypos += XINT (y); |
| 1215 | } |
| 1216 | |
| 1217 | title = Qnil; |
| 1218 | GCPRO1 (title); |
| 1219 | |
| 1220 | discard_menu_items (&mm); |
| 1221 | hmenu = create_menu_items (&mm, menu, NILP (position)); |
| 1222 | |
| 1223 | if (NILP (position)) |
| 1224 | { |
| 1225 | discard_menu_items (&mm); |
| 1226 | UNGCPRO; |
| 1227 | return Qnil; |
| 1228 | } |
| 1229 | |
| 1230 | /* Display them in a menu. */ |
| 1231 | BLOCK_INPUT; |
| 1232 | |
| 1233 | selection = win32menu_show (f, xpos, ypos, menu, &hmenu, &error_name); |
| 1234 | |
| 1235 | UNBLOCK_INPUT; |
| 1236 | |
| 1237 | discard_menu_items (&mm); |
| 1238 | DestroyMenu (hmenu); |
| 1239 | |
| 1240 | UNGCPRO; |
| 1241 | |
| 1242 | if (error_name) error (error_name); |
| 1243 | return selection; |
| 1244 | } |
| 1245 | |
| 1246 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 2, 0, |
| 1247 | "Pop up a dialog box and return user's selection.\n\ |
| 1248 | POSITION specifies which frame to use.\n\ |
| 1249 | This is normally a mouse button event or a window or frame.\n\ |
| 1250 | If POSITION is t, it means to use the frame the mouse is on.\n\ |
| 1251 | The dialog box appears in the middle of the specified frame.\n\ |
| 1252 | \n\ |
| 1253 | CONTENTS specifies the alternatives to display in the dialog box.\n\ |
| 1254 | It is a list of the form (TITLE ITEM1 ITEM2...).\n\ |
| 1255 | Each ITEM is a cons cell (STRING . VALUE).\n\ |
| 1256 | The return value is VALUE from the chosen item.\n\n\ |
| 1257 | An ITEM may also be just a string--that makes a nonselectable item.\n\ |
| 1258 | An ITEM may also be nil--that means to put all preceding items\n\ |
| 1259 | on the left of the dialog box and all following items on the right.\n\ |
| 1260 | \(By default, approximately half appear on each side.)") |
| 1261 | (position, contents) |
| 1262 | Lisp_Object position, contents; |
| 1263 | { |
| 1264 | FRAME_PTR f; |
| 1265 | Lisp_Object window; |
| 1266 | |
| 1267 | /* Decode the first argument: find the window or frame to use. */ |
| 1268 | if (EQ (position, Qt)) |
| 1269 | { |
| 1270 | /* Decode the first argument: find the window and the coordinates. */ |
| 1271 | if (EQ (position, Qt)) |
| 1272 | window = selected_window; |
| 1273 | } |
| 1274 | else if (CONSP (position)) |
| 1275 | { |
| 1276 | Lisp_Object tem; |
| 1277 | tem = Fcar (position); |
| 1278 | if (XTYPE (tem) == Lisp_Cons) |
| 1279 | window = Fcar (Fcdr (position)); |
| 1280 | else |
| 1281 | { |
| 1282 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
| 1283 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
| 1284 | } |
| 1285 | } |
| 1286 | else if (WINDOWP (position) || FRAMEP (position)) |
| 1287 | window = position; |
| 1288 | |
| 1289 | /* Decode where to put the menu. */ |
| 1290 | |
| 1291 | if (FRAMEP (window)) |
| 1292 | f = XFRAME (window); |
| 1293 | else if (WINDOWP (window)) |
| 1294 | { |
| 1295 | CHECK_LIVE_WINDOW (window, 0); |
| 1296 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
| 1297 | } |
| 1298 | else |
| 1299 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, |
| 1300 | but I don't want to make one now. */ |
| 1301 | CHECK_WINDOW (window, 0); |
| 1302 | |
| 1303 | #if 1 |
| 1304 | /* Display a menu with these alternatives |
| 1305 | in the middle of frame F. */ |
| 1306 | { |
| 1307 | Lisp_Object x, y, frame, newpos; |
| 1308 | XSETFRAME (frame, f); |
| 1309 | XSETINT (x, x_pixel_width (f) / 2); |
| 1310 | XSETINT (y, x_pixel_height (f) / 2); |
| 1311 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
| 1312 | |
| 1313 | return Fx_popup_menu (newpos, |
| 1314 | Fcons (Fcar (contents), Fcons (contents, Qnil))); |
| 1315 | } |
| 1316 | #else |
| 1317 | { |
| 1318 | Lisp_Object title; |
| 1319 | char *error_name; |
| 1320 | Lisp_Object selection; |
| 1321 | |
| 1322 | /* Decode the dialog items from what was specified. */ |
| 1323 | title = Fcar (contents); |
| 1324 | CHECK_STRING (title, 1); |
| 1325 | |
| 1326 | list_of_panes (Fcons (contents, Qnil)); |
| 1327 | |
| 1328 | /* Display them in a dialog box. */ |
| 1329 | BLOCK_INPUT; |
| 1330 | selection = win32_dialog_show (f, 0, 0, title, &error_name); |
| 1331 | UNBLOCK_INPUT; |
| 1332 | |
| 1333 | discard_menu_items (); |
| 1334 | |
| 1335 | if (error_name) error (error_name); |
| 1336 | return selection; |
| 1337 | } |
| 1338 | #endif |
| 1339 | } |
| 1340 | |
| 1341 | Lisp_Object |
| 1342 | get_frame_menubar_event (f, num) |
| 1343 | FRAME_PTR f; |
| 1344 | int num; |
| 1345 | { |
| 1346 | Lisp_Object tail, items; |
| 1347 | int i; |
| 1348 | struct gcpro gcpro1; |
| 1349 | |
| 1350 | BLOCK_INPUT; |
| 1351 | |
| 1352 | GCPRO1 (items); |
| 1353 | |
| 1354 | if (NILP (items = FRAME_MENU_BAR_ITEMS (f))) |
| 1355 | items = FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
| 1356 | |
| 1357 | for (i = 0; i < XVECTOR (items)->size; i += 3) |
| 1358 | { |
| 1359 | Lisp_Object event; |
| 1360 | |
| 1361 | event = get_menu_event (XVECTOR (items)->contents[i + 2], &num); |
| 1362 | |
| 1363 | if (num <= 0) |
| 1364 | { |
| 1365 | UNGCPRO; |
| 1366 | UNBLOCK_INPUT; |
| 1367 | return (Fcons (XVECTOR (items)->contents[i], event)); |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | UNGCPRO; |
| 1372 | UNBLOCK_INPUT; |
| 1373 | |
| 1374 | return (Qnil); |
| 1375 | } |
| 1376 | |
| 1377 | void |
| 1378 | set_frame_menubar (f, first_time) |
| 1379 | FRAME_PTR f; |
| 1380 | int first_time; |
| 1381 | { |
| 1382 | Lisp_Object tail, items; |
| 1383 | HMENU hmenu; |
| 1384 | int i; |
| 1385 | struct gcpro gcpro1; |
| 1386 | menu_map mm; |
| 1387 | |
| 1388 | BLOCK_INPUT; |
| 1389 | |
| 1390 | GCPRO1 (items); |
| 1391 | |
| 1392 | if (NILP (items = FRAME_MENU_BAR_ITEMS (f))) |
| 1393 | items = FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
| 1394 | |
| 1395 | hmenu = CreateMenu (); |
| 1396 | |
| 1397 | if (!hmenu) goto error; |
| 1398 | |
| 1399 | discard_menu_items (&mm); |
| 1400 | |
| 1401 | for (i = 0; i < XVECTOR (items)->size; i += 3) |
| 1402 | { |
| 1403 | Lisp_Object string; |
| 1404 | int keymaps; |
| 1405 | CHAR *error; |
| 1406 | HMENU new_hmenu; |
| 1407 | |
| 1408 | string = XVECTOR (items)->contents[i + 1]; |
| 1409 | if (NILP (string)) |
| 1410 | break; |
| 1411 | |
| 1412 | new_hmenu = create_menu_items (&mm, |
| 1413 | XVECTOR (items)->contents[i + 2], |
| 1414 | 0); |
| 1415 | |
| 1416 | if (!new_hmenu) |
| 1417 | continue; |
| 1418 | |
| 1419 | AppendMenu (hmenu, MF_POPUP, (UINT)new_hmenu, |
| 1420 | (char *) XSTRING (string)->data); |
| 1421 | } |
| 1422 | |
| 1423 | { |
| 1424 | HMENU old = GetMenu (FRAME_WIN32_WINDOW (f)); |
| 1425 | SetMenu (FRAME_WIN32_WINDOW (f), hmenu); |
| 1426 | DestroyMenu (old); |
| 1427 | } |
| 1428 | |
| 1429 | error: |
| 1430 | UNGCPRO; |
| 1431 | UNBLOCK_INPUT; |
| 1432 | } |
| 1433 | |
| 1434 | void |
| 1435 | free_frame_menubar (f) |
| 1436 | FRAME_PTR f; |
| 1437 | { |
| 1438 | BLOCK_INPUT; |
| 1439 | |
| 1440 | { |
| 1441 | HMENU old = GetMenu (FRAME_WIN32_WINDOW (f)); |
| 1442 | SetMenu (FRAME_WIN32_WINDOW (f), NULL); |
| 1443 | DestroyMenu (old); |
| 1444 | } |
| 1445 | |
| 1446 | UNBLOCK_INPUT; |
| 1447 | } |
| 1448 | /* Called from Fwin32_create_frame to create the initial menubar of a frame |
| 1449 | before it is mapped, so that the window is mapped with the menubar already |
| 1450 | there instead of us tacking it on later and thrashing the window after it |
| 1451 | is visible. */ |
| 1452 | void |
| 1453 | initialize_frame_menubar (f) |
| 1454 | FRAME_PTR f; |
| 1455 | { |
| 1456 | set_frame_menubar (f, 1); |
| 1457 | } |
| 1458 | \f |
| 1459 | #if 0 |
| 1460 | /* If the mouse has moved to another menu bar item, |
| 1461 | return 1 and unread a button press event for that item. |
| 1462 | Otherwise return 0. */ |
| 1463 | |
| 1464 | static int |
| 1465 | check_mouse_other_menu_bar (f) |
| 1466 | FRAME_PTR f; |
| 1467 | { |
| 1468 | FRAME_PTR new_f; |
| 1469 | Lisp_Object bar_window; |
| 1470 | int part; |
| 1471 | Lisp_Object x, y; |
| 1472 | unsigned long time; |
| 1473 | |
| 1474 | (*mouse_position_hook) (&new_f, &bar_window, &part, &x, &y, &time); |
| 1475 | |
| 1476 | if (f == new_f && other_menu_bar_item_p (f, x, y)) |
| 1477 | { |
| 1478 | unread_menu_bar_button (f, x); |
| 1479 | return 1; |
| 1480 | } |
| 1481 | |
| 1482 | return 0; |
| 1483 | } |
| 1484 | #endif |
| 1485 | \f |
| 1486 | |
| 1487 | #if 0 |
| 1488 | static HMENU |
| 1489 | create_menu (keymaps, error) |
| 1490 | int keymaps; |
| 1491 | char **error; |
| 1492 | { |
| 1493 | HMENU hmenu = NULL; /* the menu we are currently working on */ |
| 1494 | HMENU first_hmenu = NULL; |
| 1495 | |
| 1496 | HMENU *submenu_stack = (HMENU *) alloca (menu_items_used * sizeof (HMENU)); |
| 1497 | Lisp_Object *subprefix_stack = (Lisp_Object *) alloca (menu_items_used * |
| 1498 | sizeof (Lisp_Object)); |
| 1499 | int submenu_depth = 0; |
| 1500 | int i; |
| 1501 | |
| 1502 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
| 1503 | { |
| 1504 | *error = "Empty menu"; |
| 1505 | return NULL; |
| 1506 | } |
| 1507 | |
| 1508 | i = 0; |
| 1509 | |
| 1510 | /* Loop over all panes and items, filling in the tree. */ |
| 1511 | |
| 1512 | while (i < menu_items_used) |
| 1513 | { |
| 1514 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
| 1515 | { |
| 1516 | submenu_stack[submenu_depth++] = hmenu; |
| 1517 | i++; |
| 1518 | } |
| 1519 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) |
| 1520 | { |
| 1521 | hmenu = submenu_stack[--submenu_depth]; |
| 1522 | i++; |
| 1523 | } |
| 1524 | #if 0 |
| 1525 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) |
| 1526 | && submenu_depth != 0) |
| 1527 | i += MENU_ITEMS_PANE_LENGTH; |
| 1528 | #endif |
| 1529 | /* Ignore a nil in the item list. |
| 1530 | It's meaningful only for dialog boxes. */ |
| 1531 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
| 1532 | i += 1; |
| 1533 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
| 1534 | { |
| 1535 | /* Create a new pane. */ |
| 1536 | |
| 1537 | Lisp_Object pane_name; |
| 1538 | char *pane_string; |
| 1539 | |
| 1540 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
| 1541 | pane_string = (NILP (pane_name) ? "" : (char *) XSTRING (pane_name)->data); |
| 1542 | |
| 1543 | if (!hmenu || strcmp (pane_string, "")) |
| 1544 | { |
| 1545 | HMENU new_hmenu = CreateMenu (); |
| 1546 | |
| 1547 | if (!new_hmenu) |
| 1548 | { |
| 1549 | *error = "Could not create menu pane"; |
| 1550 | goto error; |
| 1551 | } |
| 1552 | |
| 1553 | if (hmenu) |
| 1554 | { |
| 1555 | AppendMenu (hmenu, MF_POPUP, (UINT)new_hmenu, pane_string); |
| 1556 | } |
| 1557 | |
| 1558 | hmenu = new_hmenu; |
| 1559 | |
| 1560 | if (!first_hmenu) first_hmenu = hmenu; |
| 1561 | } |
| 1562 | i += MENU_ITEMS_PANE_LENGTH; |
| 1563 | } |
| 1564 | else |
| 1565 | { |
| 1566 | /* Create a new item within current pane. */ |
| 1567 | |
| 1568 | Lisp_Object item_name, enable, descrip; |
| 1569 | UINT fuFlags; |
| 1570 | |
| 1571 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; |
| 1572 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; |
| 1573 | // descrip = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; |
| 1574 | |
| 1575 | if (((char *) XSTRING (item_name)->data)[0] == 0 |
| 1576 | || strcmp ((char *) XSTRING (item_name)->data, "--") == 0) |
| 1577 | fuFlags = MF_SEPARATOR; |
| 1578 | else if (NILP (enable) || !XUINT(enable)) |
| 1579 | fuFlags = MF_STRING | MF_GRAYED; |
| 1580 | else |
| 1581 | fuFlags = MF_STRING; |
| 1582 | |
| 1583 | AppendMenu (hmenu, |
| 1584 | fuFlags, |
| 1585 | i, |
| 1586 | (char *) XSTRING (item_name)->data); |
| 1587 | |
| 1588 | // if (!NILP (descrip)) |
| 1589 | // hmenu->key = (char *) XSTRING (descrip)->data; |
| 1590 | |
| 1591 | i += MENU_ITEMS_ITEM_LENGTH; |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | return (first_hmenu); |
| 1596 | |
| 1597 | error: |
| 1598 | if (first_hmenu) DestroyMenu (first_hmenu); |
| 1599 | return (NULL); |
| 1600 | } |
| 1601 | |
| 1602 | #endif |
| 1603 | |
| 1604 | /* win32menu_show actually displays a menu using the panes and items in |
| 1605 | menu_items and returns the value selected from it. |
| 1606 | There are two versions of win32menu_show, one for Xt and one for Xlib. |
| 1607 | Both assume input is blocked by the caller. */ |
| 1608 | |
| 1609 | /* F is the frame the menu is for. |
| 1610 | X and Y are the frame-relative specified position, |
| 1611 | relative to the inside upper left corner of the frame F. |
| 1612 | MENUBARP is 1 if the click that asked for this menu came from the menu bar. |
| 1613 | KEYMAPS is 1 if this menu was specified with keymaps; |
| 1614 | in that case, we return a list containing the chosen item's value |
| 1615 | and perhaps also the pane's prefix. |
| 1616 | TITLE is the specified menu title. |
| 1617 | ERROR is a place to store an error message string in case of failure. |
| 1618 | (We return nil on failure, but the value doesn't actually matter.) */ |
| 1619 | |
| 1620 | |
| 1621 | static Lisp_Object |
| 1622 | win32menu_show (f, x, y, menu, hmenu, error) |
| 1623 | FRAME_PTR f; |
| 1624 | int x; |
| 1625 | int y; |
| 1626 | Lisp_Object menu; |
| 1627 | HMENU hmenu; |
| 1628 | char **error; |
| 1629 | { |
| 1630 | int i , menu_selection; |
| 1631 | POINT pos; |
| 1632 | |
| 1633 | *error = NULL; |
| 1634 | |
| 1635 | if (!hmenu) |
| 1636 | { |
| 1637 | *error = "Empty menu"; |
| 1638 | return Qnil; |
| 1639 | } |
| 1640 | |
| 1641 | pos.x = x; |
| 1642 | pos.y = y; |
| 1643 | |
| 1644 | /* Offset the coordinates to root-relative. */ |
| 1645 | ClientToScreen (FRAME_WIN32_WINDOW (f), &pos); |
| 1646 | |
| 1647 | #if 0 |
| 1648 | /* If the mouse moves out of the menu before we show the menu, |
| 1649 | don't show it at all. */ |
| 1650 | if (check_mouse_other_menu_bar (f)) |
| 1651 | { |
| 1652 | DestroyMenu (hmenu); |
| 1653 | return Qnil; |
| 1654 | } |
| 1655 | #endif |
| 1656 | |
| 1657 | /* Display the menu. */ |
| 1658 | menu_selection = TrackPopupMenu (hmenu, |
| 1659 | 0x10, |
| 1660 | pos.x, pos.y, |
| 1661 | 0, |
| 1662 | FRAME_WIN32_WINDOW (f), |
| 1663 | NULL); |
| 1664 | if (menu_selection == -1) |
| 1665 | { |
| 1666 | *error = "Invalid menu specification"; |
| 1667 | return Qnil; |
| 1668 | } |
| 1669 | |
| 1670 | /* Find the selected item, and its pane, to return |
| 1671 | the proper value. */ |
| 1672 | |
| 1673 | #if 1 |
| 1674 | if (menu_selection > 0) |
| 1675 | { |
| 1676 | return get_menu_event (menu, menu_selection); |
| 1677 | } |
| 1678 | #else |
| 1679 | if (menu_selection > 0 && menu_selection <= lpmm->menu_items_used) |
| 1680 | { |
| 1681 | return (XVECTOR (lpmm->menu_items)->contents[menu_selection - 1]); |
| 1682 | } |
| 1683 | #endif |
| 1684 | |
| 1685 | return Qnil; |
| 1686 | } |
| 1687 | |
| 1688 | #if 0 |
| 1689 | static char * button_names [] = |
| 1690 | { |
| 1691 | "button1", "button2", "button3", "button4", "button5", |
| 1692 | "button6", "button7", "button8", "button9", "button10" |
| 1693 | }; |
| 1694 | |
| 1695 | static Lisp_Object |
| 1696 | win32_dialog_show (f, menubarp, keymaps, title, error) |
| 1697 | FRAME_PTR f; |
| 1698 | int menubarp; |
| 1699 | int keymaps; |
| 1700 | Lisp_Object title; |
| 1701 | char **error; |
| 1702 | { |
| 1703 | int i, nb_buttons=0; |
| 1704 | HMENU hmenu; |
| 1705 | char dialog_name[6]; |
| 1706 | |
| 1707 | /* Number of elements seen so far, before boundary. */ |
| 1708 | int left_count = 0; |
| 1709 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ |
| 1710 | int boundary_seen = 0; |
| 1711 | |
| 1712 | *error = NULL; |
| 1713 | |
| 1714 | if (menu_items_n_panes > 1) |
| 1715 | { |
| 1716 | *error = "Multiple panes in dialog box"; |
| 1717 | return Qnil; |
| 1718 | } |
| 1719 | |
| 1720 | /* Create a tree of widget_value objects |
| 1721 | representing the text label and buttons. */ |
| 1722 | { |
| 1723 | Lisp_Object pane_name, prefix; |
| 1724 | char *pane_string; |
| 1725 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; |
| 1726 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; |
| 1727 | pane_string = (NILP (pane_name) |
| 1728 | ? "" : (char *) XSTRING (pane_name)->data); |
| 1729 | prev_wv = malloc_widget_value (); |
| 1730 | prev_wv->value = pane_string; |
| 1731 | if (keymaps && !NILP (prefix)) |
| 1732 | prev_wv->name++; |
| 1733 | prev_wv->enabled = 1; |
| 1734 | prev_wv->name = "message"; |
| 1735 | first_wv = prev_wv; |
| 1736 | |
| 1737 | /* Loop over all panes and items, filling in the tree. */ |
| 1738 | i = MENU_ITEMS_PANE_LENGTH; |
| 1739 | while (i < menu_items_used) |
| 1740 | { |
| 1741 | |
| 1742 | /* Create a new item within current pane. */ |
| 1743 | Lisp_Object item_name, enable, descrip; |
| 1744 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; |
| 1745 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; |
| 1746 | descrip |
| 1747 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; |
| 1748 | |
| 1749 | if (NILP (item_name)) |
| 1750 | { |
| 1751 | free_menubar_widget_value_tree (first_wv); |
| 1752 | *error = "Submenu in dialog items"; |
| 1753 | return Qnil; |
| 1754 | } |
| 1755 | if (EQ (item_name, Qquote)) |
| 1756 | { |
| 1757 | /* This is the boundary between left-side elts |
| 1758 | and right-side elts. Stop incrementing right_count. */ |
| 1759 | boundary_seen = 1; |
| 1760 | i++; |
| 1761 | continue; |
| 1762 | } |
| 1763 | if (nb_buttons >= 10) |
| 1764 | { |
| 1765 | free_menubar_widget_value_tree (first_wv); |
| 1766 | *error = "Too many dialog items"; |
| 1767 | return Qnil; |
| 1768 | } |
| 1769 | |
| 1770 | wv = malloc_widget_value (); |
| 1771 | prev_wv->next = wv; |
| 1772 | wv->name = (char *) button_names[nb_buttons]; |
| 1773 | if (!NILP (descrip)) |
| 1774 | wv->key = (char *) XSTRING (descrip)->data; |
| 1775 | wv->value = (char *) XSTRING (item_name)->data; |
| 1776 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
| 1777 | wv->enabled = !NILP (enable); |
| 1778 | prev_wv = wv; |
| 1779 | |
| 1780 | if (! boundary_seen) |
| 1781 | left_count++; |
| 1782 | |
| 1783 | nb_buttons++; |
| 1784 | i += MENU_ITEMS_ITEM_LENGTH; |
| 1785 | } |
| 1786 | |
| 1787 | /* If the boundary was not specified, |
| 1788 | by default put half on the left and half on the right. */ |
| 1789 | if (! boundary_seen) |
| 1790 | left_count = nb_buttons - nb_buttons / 2; |
| 1791 | |
| 1792 | wv = malloc_widget_value (); |
| 1793 | wv->name = dialog_name; |
| 1794 | |
| 1795 | /* Dialog boxes use a really stupid name encoding |
| 1796 | which specifies how many buttons to use |
| 1797 | and how many buttons are on the right. |
| 1798 | The Q means something also. */ |
| 1799 | dialog_name[0] = 'Q'; |
| 1800 | dialog_name[1] = '0' + nb_buttons; |
| 1801 | dialog_name[2] = 'B'; |
| 1802 | dialog_name[3] = 'R'; |
| 1803 | /* Number of buttons to put on the right. */ |
| 1804 | dialog_name[4] = '0' + nb_buttons - left_count; |
| 1805 | dialog_name[5] = 0; |
| 1806 | wv->contents = first_wv; |
| 1807 | first_wv = wv; |
| 1808 | } |
| 1809 | |
| 1810 | /* Actually create the dialog. */ |
| 1811 | dialog_id = ++popup_id_tick; |
| 1812 | menu = lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
| 1813 | f->output_data.win32->widget, 1, 0, |
| 1814 | dialog_selection_callback, 0); |
| 1815 | #if 0 /* This causes crashes, and seems to be redundant -- rms. */ |
| 1816 | lw_modify_all_widgets (dialog_id, first_wv, True); |
| 1817 | #endif |
| 1818 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); |
| 1819 | /* Free the widget_value objects we used to specify the contents. */ |
| 1820 | free_menubar_widget_value_tree (first_wv); |
| 1821 | |
| 1822 | /* No selection has been chosen yet. */ |
| 1823 | menu_item_selection = 0; |
| 1824 | |
| 1825 | /* Display the menu. */ |
| 1826 | lw_pop_up_all_widgets (dialog_id); |
| 1827 | |
| 1828 | /* Process events that apply to the menu. */ |
| 1829 | while (1) |
| 1830 | { |
| 1831 | XEvent event; |
| 1832 | |
| 1833 | XtAppNextEvent (Xt_app_con, &event); |
| 1834 | if (event.type == ButtonRelease) |
| 1835 | { |
| 1836 | XtDispatchEvent (&event); |
| 1837 | break; |
| 1838 | } |
| 1839 | else if (event.type == Expose) |
| 1840 | process_expose_from_menu (event); |
| 1841 | XtDispatchEvent (&event); |
| 1842 | if (XtWindowToWidget(XDISPLAY event.xany.window) != menu) |
| 1843 | { |
| 1844 | queue_tmp = (struct event_queue *) malloc (sizeof (struct event_queue)); |
| 1845 | |
| 1846 | if (queue_tmp != NULL) |
| 1847 | { |
| 1848 | queue_tmp->event = event; |
| 1849 | queue_tmp->next = queue; |
| 1850 | queue = queue_tmp; |
| 1851 | } |
| 1852 | } |
| 1853 | } |
| 1854 | pop_down: |
| 1855 | |
| 1856 | /* State that no mouse buttons are now held. |
| 1857 | That is not necessarily true, but the fiction leads to reasonable |
| 1858 | results, and it is a pain to ask which are actually held now |
| 1859 | or track this in the loop above. */ |
| 1860 | win32_mouse_grabbed = 0; |
| 1861 | |
| 1862 | /* Unread any events that we got but did not handle. */ |
| 1863 | while (queue != NULL) |
| 1864 | { |
| 1865 | queue_tmp = queue; |
| 1866 | XPutBackEvent (XDISPLAY &queue_tmp->event); |
| 1867 | queue = queue_tmp->next; |
| 1868 | free ((char *)queue_tmp); |
| 1869 | /* Cause these events to get read as soon as we UNBLOCK_INPUT. */ |
| 1870 | interrupt_input_pending = 1; |
| 1871 | } |
| 1872 | |
| 1873 | /* Find the selected item, and its pane, to return |
| 1874 | the proper value. */ |
| 1875 | if (menu_item_selection != 0) |
| 1876 | { |
| 1877 | Lisp_Object prefix; |
| 1878 | |
| 1879 | prefix = Qnil; |
| 1880 | i = 0; |
| 1881 | while (i < menu_items_used) |
| 1882 | { |
| 1883 | Lisp_Object entry; |
| 1884 | |
| 1885 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
| 1886 | { |
| 1887 | prefix |
| 1888 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; |
| 1889 | i += MENU_ITEMS_PANE_LENGTH; |
| 1890 | } |
| 1891 | else |
| 1892 | { |
| 1893 | entry |
| 1894 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; |
| 1895 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) |
| 1896 | { |
| 1897 | if (keymaps != 0) |
| 1898 | { |
| 1899 | entry = Fcons (entry, Qnil); |
| 1900 | if (!NILP (prefix)) |
| 1901 | entry = Fcons (prefix, entry); |
| 1902 | } |
| 1903 | return entry; |
| 1904 | } |
| 1905 | i += MENU_ITEMS_ITEM_LENGTH; |
| 1906 | } |
| 1907 | } |
| 1908 | } |
| 1909 | |
| 1910 | return Qnil; |
| 1911 | } |
| 1912 | #endif |
| 1913 | |
| 1914 | syms_of_win32menu () |
| 1915 | { |
| 1916 | defsubr (&Sx_popup_menu); |
| 1917 | defsubr (&Sx_popup_dialog); |
| 1918 | } |