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comparison src/gui.c @ 404:2f8bb876ab1d r21-2-32

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Import from CVS: tag r21-2-32
author cvs
date Mon, 13 Aug 2007 11:16:07 +0200
parents a86b2b5e0111
children b8cc9ab3f761
comparison
equal deleted inserted replaced
403:9f011ab08d48 404:2f8bb876ab1d
25 25
26 #include <config.h> 26 #include <config.h>
27 #include "lisp.h" 27 #include "lisp.h"
28 #include "gui.h" 28 #include "gui.h"
29 #include "elhash.h" 29 #include "elhash.h"
30 #include "buffer.h"
30 #include "bytecode.h" 31 #include "bytecode.h"
31 32
32 Lisp_Object Q_active, Q_suffix, Q_keys, Q_style, Q_selected; 33 Lisp_Object Q_active, Q_suffix, Q_keys, Q_style, Q_selected;
33 Lisp_Object Q_filter, Q_config, Q_included, Q_key_sequence; 34 Lisp_Object Q_filter, Q_config, Q_included, Q_key_sequence;
34 Lisp_Object Q_accelerator, Q_label, Q_callback; 35 Lisp_Object Q_accelerator, Q_label, Q_callback;
106 void 107 void
107 gui_item_add_keyval_pair (Lisp_Object gui_item, 108 gui_item_add_keyval_pair (Lisp_Object gui_item,
108 Lisp_Object key, Lisp_Object val, 109 Lisp_Object key, Lisp_Object val,
109 Error_behavior errb) 110 Error_behavior errb)
110 { 111 {
111 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 112 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
112 113
113 if (!KEYWORDP (key)) 114 if (!KEYWORDP (key))
114 signal_simple_error_2 ("Non-keyword in gui item", key, pgui_item->name); 115 signal_simple_error_2 ("Non-keyword in gui item", key, pgui_item->name);
115 116
116 if (EQ (key, Q_suffix)) pgui_item->suffix = val; 117 if (EQ (key, Q_suffix)) pgui_item->suffix = val;
130 pgui_item->accelerator = val; 131 pgui_item->accelerator = val;
131 else if (ERRB_EQ (errb, ERROR_ME)) 132 else if (ERRB_EQ (errb, ERROR_ME))
132 signal_simple_error ("Bad keyboard accelerator", val); 133 signal_simple_error ("Bad keyboard accelerator", val);
133 } 134 }
134 else if (ERRB_EQ (errb, ERROR_ME)) 135 else if (ERRB_EQ (errb, ERROR_ME))
135 signal_simple_error_2 ("Unknown keyword in gui item", key, pgui_item->name); 136 signal_simple_error_2 ("Unknown keyword in gui item", key,
137 pgui_item->name);
136 } 138 }
137 139
138 void 140 void
139 gui_item_init (Lisp_Object gui_item) 141 gui_item_init (Lisp_Object gui_item)
140 { 142 {
177 Error_behavior errb) 179 Error_behavior errb)
178 { 180 {
179 int length, plist_p, start; 181 int length, plist_p, start;
180 Lisp_Object *contents; 182 Lisp_Object *contents;
181 Lisp_Object gui_item = allocate_gui_item (); 183 Lisp_Object gui_item = allocate_gui_item ();
182 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 184 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
183 185
184 CHECK_VECTOR (item); 186 CHECK_VECTOR (item);
185 length = XVECTOR_LENGTH (item); 187 length = XVECTOR_LENGTH (item);
186 contents = XVECTOR_DATA (item); 188 contents = XVECTOR_DATA (item);
187 189
249 251
250 /* convert a gui item into plist properties */ 252 /* convert a gui item into plist properties */
251 void 253 void
252 gui_add_item_keywords_to_plist (Lisp_Object plist, Lisp_Object gui_item) 254 gui_add_item_keywords_to_plist (Lisp_Object plist, Lisp_Object gui_item)
253 { 255 {
254 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 256 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
255 257
256 if (!NILP (pgui_item->callback)) 258 if (!NILP (pgui_item->callback))
257 Fplist_put (plist, Q_callback, pgui_item->callback); 259 Fplist_put (plist, Q_callback, pgui_item->callback);
258 if (!NILP (pgui_item->suffix)) 260 if (!NILP (pgui_item->suffix))
259 Fplist_put (plist, Q_suffix, pgui_item->suffix); 261 Fplist_put (plist, Q_suffix, pgui_item->suffix);
291 293
292 /* set menu accelerator key to first underlined character in menu name */ 294 /* set menu accelerator key to first underlined character in menu name */
293 Lisp_Object 295 Lisp_Object
294 gui_item_accelerator (Lisp_Object gui_item) 296 gui_item_accelerator (Lisp_Object gui_item)
295 { 297 {
296 Lisp_Gui_Item* pgui = XGUI_ITEM (gui_item); 298 Lisp_Gui_Item *pgui = XGUI_ITEM (gui_item);
297 299
298 if (!NILP (pgui->accelerator)) 300 if (!NILP (pgui->accelerator))
299 return pgui->accelerator; 301 return pgui->accelerator;
300 302
301 else 303 else
303 } 305 }
304 306
305 Lisp_Object 307 Lisp_Object
306 gui_name_accelerator (Lisp_Object nm) 308 gui_name_accelerator (Lisp_Object nm)
307 { 309 {
308 /* !!#### This function has not been Mule-ized */ 310 Bufbyte *name = XSTRING_DATA (nm);
309 char* name = (char*)XSTRING_DATA (nm); 311
310 312 while (*name)
311 while (*name) { 313 {
312 if (*name=='%') { 314 if (*name == '%')
313 ++name;
314 if (!(*name))
315 return Qnil;
316 if (*name=='_' && *(name+1))
317 { 315 {
318 int accelerator = (int) (unsigned char) (*(name+1)); 316 ++name;
319 return make_char (tolower (accelerator)); 317 if (!(*name))
318 return Qnil;
319 if (*name == '_' && *(name + 1))
320 {
321 Emchar accelerator = charptr_emchar (name + 1);
322 /* #### bogus current_buffer dependency */
323 return make_char (DOWNCASE (current_buffer, accelerator));
324 }
320 } 325 }
321 } 326 INC_CHARPTR (name);
322 ++name; 327 }
323 } 328 return make_char (DOWNCASE (current_buffer,
324 return Qnil; 329 charptr_emchar (XSTRING_DATA (nm))));
325 } 330 }
326 331
327 /* 332 /*
328 * Decide whether a GUI item is selected by evaluating its :selected form 333 * Decide whether a GUI item is selected by evaluating its :selected form
329 * if any 334 * if any
345 */ 350 */
346 int 351 int
347 gui_item_included_p (Lisp_Object gui_item, Lisp_Object conflist) 352 gui_item_included_p (Lisp_Object gui_item, Lisp_Object conflist)
348 { 353 {
349 /* This function can call lisp */ 354 /* This function can call lisp */
350 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 355 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
351 356
352 /* Evaluate :included first. Shortcut to avoid evaluating Qt each time */ 357 /* Evaluate :included first. Shortcut to avoid evaluating Qt each time */
353 if (!EQ (pgui_item->included, Qt) 358 if (!EQ (pgui_item->included, Qt)
354 && NILP (Feval (pgui_item->included))) 359 && NILP (Feval (pgui_item->included)))
355 return 0; 360 return 0;
377 * signaled. 382 * signaled.
378 * Return value is the offset to the terminating null character into the 383 * Return value is the offset to the terminating null character into the
379 * buffer. 384 * buffer.
380 */ 385 */
381 unsigned int 386 unsigned int
382 gui_item_display_flush_left (Lisp_Object gui_item, 387 gui_item_display_flush_left (Lisp_Object gui_item,
383 char* buf, Bytecount buf_len) 388 char *buf, Bytecount buf_len)
384 { 389 {
385 /* This function can call lisp */ 390 /* This function can call lisp */
386 char *p = buf; 391 char *p = buf;
387 Bytecount len; 392 Bytecount len;
388 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 393 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
389 394
390 /* Copy item name first */ 395 /* Copy item name first */
391 CHECK_STRING (pgui_item->name); 396 CHECK_STRING (pgui_item->name);
392 len = XSTRING_LENGTH (pgui_item->name); 397 len = XSTRING_LENGTH (pgui_item->name);
393 if (len > buf_len) 398 if (len > buf_len)
427 * Return value is the offset to the terminating null character into the 432 * Return value is the offset to the terminating null character into the
428 * buffer. 433 * buffer.
429 */ 434 */
430 unsigned int 435 unsigned int
431 gui_item_display_flush_right (Lisp_Object gui_item, 436 gui_item_display_flush_right (Lisp_Object gui_item,
432 char* buf, Bytecount buf_len) 437 char *buf, Bytecount buf_len)
433 { 438 {
434 Lisp_Gui_Item* pgui_item = XGUI_ITEM (gui_item); 439 Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
435 *buf = 0; 440 *buf = 0;
436 441
437 #ifdef HAVE_MENUBARS 442 #ifdef HAVE_MENUBARS
438 /* Have keys? */ 443 /* Have keys? */
439 if (!menubar_show_keybindings) 444 if (!menubar_show_keybindings)
442 447
443 /* Try :keys first */ 448 /* Try :keys first */
444 if (!NILP (pgui_item->keys)) 449 if (!NILP (pgui_item->keys))
445 { 450 {
446 CHECK_STRING (pgui_item->keys); 451 CHECK_STRING (pgui_item->keys);
447 if (XSTRING_LENGTH (pgui_item->keys) > buf_len) 452 if (XSTRING_LENGTH (pgui_item->keys) + 1 > buf_len)
448 signal_too_long_error (pgui_item->name); 453 signal_too_long_error (pgui_item->name);
449 strcpy (buf, (const char *) XSTRING_DATA (pgui_item->keys)); 454 memcpy (buf, XSTRING_DATA (pgui_item->keys),
455 XSTRING_LENGTH (pgui_item->keys) + 1);
450 return XSTRING_LENGTH (pgui_item->keys); 456 return XSTRING_LENGTH (pgui_item->keys);
451 } 457 }
452 458
453 /* See if we can derive keys out of callback symbol */ 459 /* See if we can derive keys out of callback symbol */
454 if (SYMBOLP (pgui_item->callback)) 460 if (SYMBOLP (pgui_item->callback))
455 { 461 {
456 char buf2 [1024]; 462 char buf2[1024]; /* #### */
457 Bytecount len; 463 Bytecount len;
458 464
459 where_is_to_char (pgui_item->callback, buf2); 465 where_is_to_char (pgui_item->callback, buf2);
460 len = strlen (buf2); 466 len = strlen (buf2);
461 if (len > buf_len) 467 if (len > buf_len)
489 495
490 return Qnil; 496 return Qnil;
491 } 497 }
492 498
493 static unsigned long 499 static unsigned long
494 gui_item_hash (Lisp_Object obj, int depth) 500 gui_item_hash_internal (Lisp_Object obj, int depth)
495 { 501 {
496 Lisp_Gui_Item *p = XGUI_ITEM (obj); 502 Lisp_Gui_Item *p = XGUI_ITEM (obj);
497 503
498 return HASH2 (HASH5 (internal_hash (p->name, depth + 1), 504 return HASH2 (HASH5 (internal_hash (p->name, depth + 1),
499 internal_hash (p->callback, depth + 1), 505 internal_hash (p->callback, depth + 1),
505 internal_hash (p->style, depth + 1), 511 internal_hash (p->style, depth + 1),
506 internal_hash (p->selected, depth + 1), 512 internal_hash (p->selected, depth + 1),
507 internal_hash (p->keys, depth + 1))); 513 internal_hash (p->keys, depth + 1)));
508 } 514 }
509 515
516 static unsigned long
517 gui_item_hash (Lisp_Object obj, int depth)
518 {
519 Lisp_Gui_Item *p = XGUI_ITEM (obj);
520
521 /* Note that this evaluates the active and selected slots so that
522 the hash changes when the result of these changes. */
523 return HASH2 (HASH5 (internal_hash (p->name, depth + 1),
524 internal_hash (p->callback, depth + 1),
525 internal_hash (p->suffix, depth + 1),
526 gui_item_active_p (obj),
527 internal_hash (p->included, depth + 1)),
528 HASH5 (internal_hash (p->config, depth + 1),
529 internal_hash (p->filter, depth + 1),
530 internal_hash (p->style, depth + 1),
531 gui_item_selected_p (obj),
532 internal_hash (p->keys, depth + 1)));
533 }
534
510 int 535 int
511 gui_item_id_hash (Lisp_Object hashtable, Lisp_Object gitem, int slot) 536 gui_item_id_hash (Lisp_Object hashtable, Lisp_Object gitem, int slot)
512 { 537 {
513 int hashid = gui_item_hash (gitem, 0); 538 int hashid = gui_item_hash_internal (gitem, 0);
514 int id = GUI_ITEM_ID_BITS (hashid, slot); 539 int id = GUI_ITEM_ID_BITS (hashid, slot);
515 while (!NILP (Fgethash (make_int (id), 540 while (!NILP (Fgethash (make_int (id),
516 hashtable, Qnil))) 541 hashtable, Qnil)))
517 { 542 {
518 id = GUI_ITEM_ID_BITS (id + 1, slot); 543 id = GUI_ITEM_ID_BITS (id + 1, slot);
568 /* parse a glyph descriptor into a tree of gui items. 593 /* parse a glyph descriptor into a tree of gui items.
569 594
570 The gui_item slot of an image instance can be a single item or an 595 The gui_item slot of an image instance can be a single item or an
571 arbitrarily nested hierarchy of item lists. */ 596 arbitrarily nested hierarchy of item lists. */
572 597
573 static Lisp_Object parse_gui_item_tree_item (Lisp_Object entry) 598 static Lisp_Object
599 parse_gui_item_tree_item (Lisp_Object entry)
574 { 600 {
575 Lisp_Object ret = entry; 601 Lisp_Object ret = entry;
602 struct gcpro gcpro1;
603
604 GCPRO1 (ret);
605
576 if (VECTORP (entry)) 606 if (VECTORP (entry))
577 { 607 {
578 ret = gui_parse_item_keywords_no_errors (entry); 608 ret = gui_parse_item_keywords_no_errors (entry);
579 } 609 }
580 else if (STRINGP (entry)) 610 else if (STRINGP (entry))
581 { 611 {
582 CHECK_STRING (entry); 612 CHECK_STRING (entry);
583 } 613 }
584 else 614 else
585 signal_simple_error ("item must be a vector or a string", entry); 615 signal_simple_error ("item must be a vector or a string", entry);
586 616
587 return ret; 617 RETURN_UNGCPRO (ret);
588 } 618 }
589 619
590 Lisp_Object parse_gui_item_tree_children (Lisp_Object list) 620 Lisp_Object
591 { 621 parse_gui_item_tree_children (Lisp_Object list)
592 Lisp_Object rest, ret = Qnil; 622 {
623 Lisp_Object rest, ret = Qnil, sub = Qnil;
624 struct gcpro gcpro1, gcpro2;
625
626 GCPRO2 (ret, sub);
593 CHECK_CONS (list); 627 CHECK_CONS (list);
594 /* recursively add items to the tree view */ 628 /* recursively add items to the tree view */
595 LIST_LOOP (rest, list) 629 LIST_LOOP (rest, list)
596 { 630 {
597 Lisp_Object sub;
598 if (CONSP (XCAR (rest))) 631 if (CONSP (XCAR (rest)))
599 sub = parse_gui_item_tree_list (XCAR (rest)); 632 sub = parse_gui_item_tree_list (XCAR (rest));
600 else 633 else
601 sub = parse_gui_item_tree_item (XCAR (rest)); 634 sub = parse_gui_item_tree_item (XCAR (rest));
602 635
603 ret = Fcons (sub, ret); 636 ret = Fcons (sub, ret);
604 } 637 }
605 /* make the order the same as the items we have parsed */ 638 /* make the order the same as the items we have parsed */
606 return Fnreverse (ret); 639 RETURN_UNGCPRO (Fnreverse (ret));
607 } 640 }
608 641
609 static Lisp_Object parse_gui_item_tree_list (Lisp_Object list) 642 static Lisp_Object
643 parse_gui_item_tree_list (Lisp_Object list)
610 { 644 {
611 Lisp_Object ret; 645 Lisp_Object ret;
646 struct gcpro gcpro1;
612 CHECK_CONS (list); 647 CHECK_CONS (list);
613 /* first one can never be a list */ 648 /* first one can never be a list */
614 ret = parse_gui_item_tree_item (XCAR (list)); 649 ret = parse_gui_item_tree_item (XCAR (list));
615 return Fcons (ret, parse_gui_item_tree_children (XCDR (list))); 650 GCPRO1 (ret);
651 ret = Fcons (ret, parse_gui_item_tree_children (XCDR (list)));
652 RETURN_UNGCPRO (ret);
653 }
654
655 static void
656 finalize_gui_item (void* header, int for_disksave)
657 {
616 } 658 }
617 659
618 DEFINE_LRECORD_IMPLEMENTATION ("gui-item", gui_item, 660 DEFINE_LRECORD_IMPLEMENTATION ("gui-item", gui_item,
619 mark_gui_item, print_gui_item, 661 mark_gui_item, print_gui_item,
620 0, gui_item_equal, 662 finalize_gui_item, gui_item_equal,
621 gui_item_hash, 663 gui_item_hash,
622 0, 664 0,
623 Lisp_Gui_Item); 665 Lisp_Gui_Item);
624 666
625 void 667 void