source/blender/windowmanager/intern/wm_event_system.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program 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 this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2007 Blender Foundation.
  21  * All rights reserved.
  22  *
  23  *
  24  * Contributor(s): Blender Foundation
  25  *
  26  * ***** END GPL LICENSE BLOCK *****
  27  */
  28
  29 #include <stdlib.h>
  30 #include <string.h>
  31
  32 #include "DNA_listBase.h"
  33 #include "DNA_screen_types.h"
  34 #include "DNA_windowmanager_types.h"
  35 #include "DNA_userdef_types.h"  /* U.flag & TWOBUTTONMOUSE */
  36
  37 #include "MEM_guardedalloc.h"
  38
  39 #include "GHOST_C-api.h"
  40
  41 #include "BLI_blenlib.h"
  42
  43 #include "BKE_blender.h"
  44 #include "BKE_global.h"
  45
  46 #include "ED_screen.h"
  47 #include "ED_area.h"
  48
  49 #include "RNA_access.h"
  50
  51 #include "WM_api.h"
  52 #include "WM_types.h"
  53 #include "wm.h"
  54 #include "wm_window.h"
  55 #include "wm_event_system.h"
  56 #include "wm_event_types.h"
  57
  58 /* ************ event management ************** */
  59
  60 void wm_event_add(wmWindow *win, wmEvent *event_to_add)
  61 {
  62         wmEvent *event= MEM_callocN(sizeof(wmEvent), "event");
  63
  64         *event= *event_to_add;
  65         BLI_addtail(&win->queue, event);
  66 }
  67
  68 wmEvent *wm_event_next(wmWindow *win)
  69 {
  70         wmEvent *event= win->queue.first;
  71
  72         if(event) BLI_remlink(&win->queue, event);
  73         return event;
  74 }
  75
  76 static void wm_event_free(wmEvent *event)
  77 {
  78         if(event->customdata && event->customdatafree)
  79                 MEM_freeN(event->customdata);
  80         MEM_freeN(event);
  81 }
  82
  83 void wm_event_free_all(wmWindow *win)
  84 {
  85         wmEvent *event;
  86
  87         while((event= win->queue.first)) {
  88                 BLI_remlink(&win->queue, event);
  89                 wm_event_free(event);
  90         }
  91 }
  92
  93 /* ********************* notifiers, listeners *************** */
  94
  95 /* XXX: in future, which notifiers to send to other windows? */
  96 void WM_event_add_notifier(bContext *C, int type, int value, void *data)
  97 {
  98         wmNotifier *note= MEM_callocN(sizeof(wmNotifier), "notifier");
  99
 100         BLI_addtail(&C->wm->queue, note);
 101
 102         note->window= C->window;
 103
 104         /* catch global notifications here */
 105         switch (type) {
 106                 case WM_NOTE_WINDOW_REDRAW:
 107                 case WM_NOTE_SCREEN_CHANGED:
 108                         break;
 109                 default:
 110                         if(C->region) note->swinid= C->region->swinid;
 111         }
 112
 113         note->type= type;
 114         note->value= value;
 115         note->data= data;
 116 }
 117
 118 static wmNotifier *wm_notifier_next(wmWindowManager *wm)
 119 {
 120         wmNotifier *note= wm->queue.first;
 121
 122         if(note) BLI_remlink(&wm->queue, note);
 123         return note;
 124 }
 125
 126 /* called in mainloop */
 127 void wm_event_do_notifiers(bContext *C)
 128 {
 129         wmNotifier *note;
 130
 131         while( (note=wm_notifier_next(C->wm)) ) {
 132                 wmWindow *win;
 133
 134                 for(win= C->wm->windows.first; win; win= win->next) {
 135                         ScrArea *sa;
 136                         ARegion *ar;
 137
 138                         C->window= win;
 139                         C->screen= win->screen;
 140
 141                         if(note->window && note->window!=win)
 142                                 continue;
 143                         if(win->screen==NULL)
 144                                 continue;
 145
 146                         /* printf("notifier win %d screen %s\n", win->winid, win->screen->id.name+2); */
 147                         ED_screen_do_listen(win, note);
 148
 149                         for(ar=win->screen->regionbase.first; ar; ar= ar->next) {
 150                                 if(note->swinid && note->swinid!=ar->swinid)
 151                                         continue;
 152
 153                                 C->region= ar;
 154                                 ED_region_do_listen(ar, note);
 155                                 C->region= NULL;
 156                         }
 157
 158                         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
 159                                 C->area= sa;
 160
 161                                 for(ar=sa->regionbase.first; ar; ar= ar->next) {
 162                                         if(note->swinid && note->swinid!=ar->swinid)
 163                                                 continue;
 164
 165                                         C->region= ar;
 166                                         ED_region_do_listen(ar, note);
 167                                         C->region= NULL;
 168                                 }
 169
 170                                 C->area= NULL;
 171                         }
 172
 173                         C->window= NULL;
 174                         C->screen= NULL;
 175                 }
 176                 if(note->data)
 177                         MEM_freeN(note->data);
 178                 MEM_freeN(note);
 179         }
 180 }
 181
 182 /* quick test to prevent changing window drawable */
 183 static int wm_draw_update_test_window(wmWindow *win)
 184 {
 185         ScrArea *sa;
 186         ARegion *ar;
 187
 188         if(win->screen->do_refresh)
 189                 return 1;
 190         if(win->screen->do_draw)
 191                 return 1;
 192         if(win->screen->do_gesture)
 193                 return 1;
 194
 195         for(ar=win->screen->regionbase.first; ar; ar= ar->next) {
 196                 /* cached notifiers */
 197                 if(ar->do_refresh)
 198                         return 1;
 199                 if(ar->swinid && ar->do_draw)
 200                         return 1;
 201         }
 202
 203         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
 204                 for(ar=sa->regionbase.first; ar; ar= ar->next) {
 205                         /* cached notifiers */
 206                         if(ar->do_refresh)
 207                                 return 1;
 208                         if(ar->swinid && ar->do_draw)
 209                                 return 1;
 210                 }
 211         }
 212         return 0;
 213 }
 214
 215 void wm_draw_update(bContext *C)
 216 {
 217         wmWindow *win;
 218
 219         for(win= C->wm->windows.first; win; win= win->next) {
 220                 if(wm_draw_update_test_window(win)) {
 221                         ScrArea *sa;
 222                         ARegion *ar;
 223
 224                         C->window= win;
 225                         C->screen= win->screen;
 226
 227                         /* sets context window+screen */
 228                         wm_window_make_drawable(C, win);
 229
 230                         /* notifiers for screen redraw */
 231                         if(win->screen->do_refresh)
 232                                 ED_screen_refresh(C->wm, win);
 233
 234                         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
 235                                 int area_do_draw= 0;
 236
 237                                 C->area= sa;
 238
 239                                 for(ar=sa->regionbase.first; ar; ar= ar->next) {
 240                                         C->region= ar;
 241
 242                                         /* cached notifiers */
 243                                         if(ar->do_refresh)
 244                                                 ED_region_do_refresh(C, ar);
 245
 246                                         if(ar->swinid && ar->do_draw) {
 247                                                 ED_region_do_draw(C, ar);
 248                                                 area_do_draw= 1;
 249                                         }
 250
 251                                         C->region= NULL;
 252                                 }
 253                                 /* only internal decoration, like AZone */
 254                                 if(area_do_draw)
 255                                         ED_area_do_draw(C, sa);
 256
 257                                 C->area = NULL;
 258                         }
 259
 260                         /* move this here so we can do area 'overlay' drawing */
 261                         if(win->screen->do_draw)
 262                                 ED_screen_draw(win);
 263
 264                         /* regions are menus here */
 265                         for(ar=win->screen->regionbase.first; ar; ar= ar->next) {
 266                                 C->region= ar;
 267
 268                                 /* cached notifiers */
 269                                 if(ar->do_refresh)
 270                                         ED_region_do_refresh(C, ar);
 271
 272                                 if(ar->swinid && ar->do_draw)
 273                                         ED_region_do_draw(C, ar);
 274
 275                                 C->region= NULL;
 276                         }
 277
 278                         if(win->screen->do_gesture)
 279                                 wm_gesture_draw(win);
 280
 281                         wm_window_swap_buffers(win);
 282
 283                         C->window= NULL;
 284                         C->screen= NULL;
 285                 }
 286         }
 287 }
 288
 289 /* ********************* operators ******************* */
 290
 291
 292 int WM_operator_invoke(bContext *C, wmOperatorType *ot, wmEvent *event)
 293 {
 294         int retval= OPERATOR_PASS_THROUGH;
 295
 296         if(ot->poll==NULL || ot->poll(C)) {
 297                 wmOperator *op= MEM_callocN(sizeof(wmOperator), "wmOperator");
 298
 299                 /* XXX adding new operator could be function, only happens here now */
 300                 op->type= ot;
 301                 BLI_strncpy(op->idname, ot->idname, OP_MAX_TYPENAME);
 302
 303                 op->ptr= MEM_callocN(sizeof(PointerRNA), "wmOperatorPtrRNA");
 304                 RNA_pointer_create(&RNA_WindowManager, &C->wm->id, ot->srna, op, op->ptr);
 305
 306                 if(op->type->invoke)
 307                         retval= (*op->type->invoke)(C, op, event);
 308                 else if(op->type->exec)
 309                         retval= op->type->exec(C, op);
 310
 311                 if((retval & OPERATOR_FINISHED) && (ot->flag & OPTYPE_REGISTER)) {
 312                         wm_operator_register(C->wm, op);
 313                         handler->op= NULL;
 314                 }
 315                 else if(!(retval & OPERATOR_RUNNING_MODAL)) {
 316                         wm_operator_free(op);
 317                         handler->op= NULL;
 318                 }
 319         }
 320
 321         return retval;
 322 }
 323
 324 /* ********************* handlers *************** */
 325
 326
 327 /* not handler itself, is called by UI to move handlers to other queues, so don't close modal ones */
 328 static void wm_event_free_handler(wmEventHandler *handler)
 329 {
 330
 331 }
 332
 333 /* called on exit or remove area, only here call cancel callback */
 334 void WM_event_remove_handlers(bContext *C, ListBase *handlers)
 335 {
 336         wmEventHandler *handler;
 337
 338         /* C is zero on freeing database, modal handlers then already were freed */
 339         while((handler=handlers->first)) {
 340                 BLI_remlink(handlers, handler);
 341
 342                 if(C && handler->op) {
 343                         if(handler->op->type->cancel)
 344                                 handler->op->type->cancel(C, handler->op);
 345                         wm_operator_free(handler->op);
 346                 }
 347                 wm_event_free_handler(handler);
 348                 MEM_freeN(handler);
 349         }
 350 }
 351
 352 static int wm_eventmatch(wmEvent *winevent, wmKeymapItem *kmi)
 353 {
 354
 355         if(winevent->type!=kmi->type) return 0;
 356
 357         if(kmi->val!=KM_ANY)
 358                 if(winevent->val!=kmi->val) return 0;
 359
 360         if(winevent->shift!=kmi->shift) return 0;
 361         if(winevent->ctrl!=kmi->ctrl) return 0;
 362         if(winevent->alt!=kmi->alt) return 0;
 363         if(winevent->oskey!=kmi->oskey) return 0;
 364         if(kmi->keymodifier)
 365                 if(winevent->keymodifier!=kmi->keymodifier) return 0;
 366
 367         /* optional boundbox */
 368
 369         return 1;
 370 }
 371
 372 /* Warning: this function removes a modal handler, when finished */
 373 static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHandler *handler, wmEvent *event)
 374 {
 375         int retval= OPERATOR_PASS_THROUGH;
 376
 377         /* derived, modal or blocking operator */
 378         if(handler->op) {
 379                 wmOperator *op= handler->op;
 380                 wmOperatorType *ot= op->type;
 381
 382                 if(ot->modal) {
 383                         /* we set context to where modal handler came from */
 384                         ScrArea *area= C->area;
 385                         ARegion *region= C->region;
 386
 387                         C->area= handler->op_area;
 388                         C->region= handler->op_region;
 389
 390                         retval= ot->modal(C, op, event);
 391
 392                         /* putting back screen context */
 393                         C->area= area;
 394                         C->region= region;
 395
 396                         if((retval & OPERATOR_FINISHED) && (ot->flag & OPTYPE_REGISTER)) {
 397                                 wm_operator_register(C->wm, op);
 398                                 handler->op= NULL;
 399                         }
 400                         else if(retval & (OPERATOR_CANCELLED|OPERATOR_FINISHED)) {
 401                                 wm_operator_free(op);
 402                                 handler->op= NULL;
 403                         }
 404
 405
 406                         /* remove modal handler, operator itself should have been cancelled and freed */
 407                         if(retval & (OPERATOR_CANCELLED|OPERATOR_FINISHED)) {
 408                                 BLI_remlink(handlers, handler);
 409                                 wm_event_free_handler(handler);
 410                                 MEM_freeN(handler);
 411
 412                                 /* prevent silly errors from operator users */
 413                                 retval &= ~OPERATOR_PASS_THROUGH;
 414                         }
 415
 416                 }
 417                 else
 418                         printf("wm_handler_operator_call error\n");
 419         }
 420         else {
 421                 wmOperatorType *ot= WM_operatortype_find(event->keymap_idname);
 422
 423                 if(ot)
 424                         retval= WM_operator_invoke(C, ot, event);
 425         }
 426
 427         if(retval & OPERATOR_PASS_THROUGH)
 428                 return WM_HANDLER_CONTINUE;
 429
 430         return WM_HANDLER_BREAK;
 431 }
 432
 433 static int wm_event_always_pass(wmEvent *event)
 434 {
 435         /* some events we always pass on, to ensure proper communication */
 436         return (event->type == TIMER || event->type == MESSAGE);
 437 }
 438
 439 static int wm_handlers_do(bContext *C, wmEvent *event, ListBase *handlers)
 440 {
 441         wmEventHandler *handler, *nexthandler;
 442         int action= WM_HANDLER_CONTINUE;
 443
 444         if(handlers==NULL) return action;
 445
 446         /* modal handlers can get removed in this loop, we keep the loop this way */
 447         for(handler= handlers->first; handler; handler= nexthandler) {
 448                 nexthandler= handler->next;
 449
 450                 /* modal+blocking handler */
 451                 if(handler->flag & WM_HANDLER_BLOCKING)
 452                         action= WM_HANDLER_BREAK;
 453
 454                 if(handler->keymap) {
 455                         wmKeymapItem *kmi;
 456
 457                         for(kmi= handler->keymap->first; kmi; kmi= kmi->next) {
 458                                 if(wm_eventmatch(event, kmi)) {
 459                                         /* if(event->type!=MOUSEMOVE)
 460                                                 printf("handle evt %d win %d op %s\n", event->type, C->window->winid, kmi->idname); */
 461
 462                                         event->keymap_idname= kmi->idname;      /* weak, but allows interactive callback to not use rawkey */
 463
 464                                         action= wm_handler_operator_call(C, handlers, handler, event);
 465                                         if(action==WM_HANDLER_BREAK)  /* not wm_event_always_pass(event) here, it denotes removed handler */
 466                                                 break;
 467                                 }
 468                         }
 469                 }
 470                 else {
 471                         /* modal, swallows all */
 472                         action= wm_handler_operator_call(C, handlers, handler, event);
 473                 }
 474
 475                 if(!wm_event_always_pass(event) && action==WM_HANDLER_BREAK)
 476                         break;
 477
 478         }
 479         return action;
 480 }
 481
 482 static int wm_event_inside_i(wmEvent *event, rcti *rect)
 483 {
 484         return BLI_in_rcti(rect, event->x, event->y);
 485 }
 486
 487 static int wm_event_prev_inside_i(wmEvent *event, rcti *rect)
 488 {
 489         if(BLI_in_rcti(rect, event->x, event->y))
 490            return 1;
 491         if(event->type==MOUSEMOVE) {
 492                 if( BLI_in_rcti(rect, event->prevx, event->prevy)) {
 493                         return 1;
 494                 }
 495                 return 0;
 496         }
 497         return 0;
 498 }
 499
 500 static ScrArea *area_event_inside(bContext *C, wmEvent *event)
 501 {
 502         ScrArea *sa;
 503
 504         if(C->screen)
 505                 for(sa= C->screen->areabase.first; sa; sa= sa->next)
 506                         if(BLI_in_rcti(&sa->totrct, event->x, event->y))
 507                                 return sa;
 508         return NULL;
 509 }
 510
 511 static ARegion *region_event_inside(bContext *C, wmEvent *event)
 512 {
 513         ARegion *ar;
 514
 515         if(C->screen && C->area)
 516                 for(ar= C->area->regionbase.first; ar; ar= ar->next)
 517                         if(BLI_in_rcti(&ar->winrct, event->x, event->y))
 518                                 return ar;
 519         return NULL;
 520 }
 521
 522
 523 /* called in main loop */
 524 /* goes over entire hierarchy:  events -> window -> screen -> area -> region */
 525 void wm_event_do_handlers(bContext *C)
 526 {
 527         wmWindow *win;
 528
 529         for(win= C->wm->windows.first; win; win= win->next) {
 530                 wmEvent *event;
 531
 532                 if( win->screen==NULL )
 533                         wm_event_free_all(win);
 534
 535                 while( (event=wm_event_next(win)) ) {
 536                         int action;
 537
 538                         C->window= win;
 539                         C->screen= win->screen;
 540                         C->area= area_event_inside(C, event);
 541                         C->region= region_event_inside(C, event);
 542
 543                         /* MVC demands to not draw in event handlers... for now we leave it */
 544                         wm_window_make_drawable(C, win);
 545
 546                         action= wm_handlers_do(C, event, &win->handlers);
 547
 548                         /* modal menus in Blender use (own) regions linked to screen */
 549                         if(wm_event_always_pass(event) || action==WM_HANDLER_CONTINUE) {
 550                                 ARegion *ar;
 551
 552                                 /* region are in drawing order, i.e. frontmost region last so
 553                                  * we handle events in the opposite order last to first */
 554                                 for(ar=win->screen->regionbase.last; ar; ar= ar->prev) {
 555                                         if(wm_event_always_pass(event) || wm_event_inside_i(event, &ar->winrct)) {
 556                                                 C->region= ar;
 557                                                 wm_handlers_do(C, event, &ar->handlers);
 558                                                 C->region= NULL;
 559
 560                                                 if(!wm_event_always_pass(event)) {
 561                                                         action= WM_HANDLER_BREAK;
 562                                                         break;
 563                                                 }
 564                                         }
 565                                 }
 566                         }
 567
 568                         if(wm_event_always_pass(event) || action==WM_HANDLER_CONTINUE) {
 569                                 ScrArea *sa;
 570                                 ARegion *ar;
 571                                 int doit= 0;
 572
 573                                 for(sa= win->screen->areabase.first; sa; sa= sa->next) {
 574                                         if(wm_event_always_pass(event) || wm_event_prev_inside_i(event, &sa->totrct)) {
 575                                                 doit= 1;
 576                                                 C->area= sa;
 577                                                 action= wm_handlers_do(C, event, &sa->handlers);
 578
 579                                                 if(wm_event_always_pass(event) || action==WM_HANDLER_CONTINUE) {
 580                                                         for(ar=sa->regionbase.first; ar; ar= ar->next) {
 581                                                                 if(wm_event_always_pass(event) || wm_event_inside_i(event, &ar->winrct)) {
 582                                                                         C->region= ar;
 583                                                                         action= wm_handlers_do(C, event, &ar->handlers);
 584                                                                         C->region= NULL;
 585
 586                                                                         if(!wm_event_always_pass(event)) {
 587                                                                                 if(action==WM_HANDLER_BREAK)
 588                                                                                         break;
 589                                                                         }
 590                                                                 }
 591                                                         }
 592                                                 }
 593
 594                                                 C->area= NULL;
 595                                                 /* NOTE: do not escape on WM_HANDLER_BREAK, mousemove needs handled for previous area */
 596                                         }
 597                                 }
 598                                 /* XXX hrmf, this gives reliable previous mouse coord for area change, feels bad?
 599                                    doing it on ghost queue gives errors when mousemoves go over area borders */
 600                                 if(doit) {
 601                                         C->window->eventstate->prevx= event->x;
 602                                         C->window->eventstate->prevy= event->y;
 603                                 }
 604                         }
 605                         wm_event_free(event);
 606
 607                         C->window= NULL;
 608                         C->screen= NULL;
 609                 }
 610         }
 611 }
 612
 613 /* lets not expose struct outside wm? */
 614 void WM_event_set_handler_flag(wmEventHandler *handler, int flag)
 615 {
 616         handler->flag= flag;
 617 }
 618
 619 wmEventHandler *WM_event_add_modal_handler(bContext *C, ListBase *handlers, wmOperator *op)
 620 {
 621         wmEventHandler *handler= MEM_callocN(sizeof(wmEventHandler), "event handler");
 622         handler->op= op;
 623         handler->op_area= C->area;              /* means frozen screen context for modal handlers! */
 624         handler->op_region= C->region;
 625
 626         BLI_addhead(handlers, handler);
 627
 628         return handler;
 629 }
 630
 631 wmEventHandler *WM_event_add_keymap_handler(ListBase *handlers, ListBase *keymap)
 632 {
 633         wmEventHandler *handler;
 634
 635         /* only allow same keymap once */
 636         for(handler= handlers->first; handler; handler= handler->next)
 637                 if(handler->keymap==keymap)
 638                         return handler;
 639
 640         handler= MEM_callocN(sizeof(wmEventHandler), "event handler");
 641         BLI_addtail(handlers, handler);
 642         handler->keymap= keymap;
 643
 644         return handler;
 645 }
 646
 647 void WM_event_remove_keymap_handler(ListBase *handlers, ListBase *keymap)
 648 {
 649         wmEventHandler *handler;
 650
 651         for(handler= handlers->first; handler; handler= handler->next) {
 652                 if(handler->keymap==keymap) {
 653                         BLI_remlink(handlers, handler);
 654                         wm_event_free_handler(handler);
 655                         MEM_freeN(handler);
 656                         break;
 657                 }
 658         }
 659 }
 660
 661 void WM_event_add_message(wmWindowManager *wm, void *customdata, short customdatafree)
 662 {
 663         wmEvent event;
 664         wmWindow *win;
 665
 666         for(win=wm->windows.first; win; win=win->next) {
 667                 event= *(win->eventstate);
 668
 669                 event.type= MESSAGE;
 670                 if(customdata) {
 671                         event.custom= EVT_DATA_MESSAGE;
 672                         event.customdata= customdata;
 673                         event.customdatafree= customdatafree;
 674                 }
 675                 wm_event_add(win, &event);
 676         }
 677 }
 678
 679 void WM_event_add_mousemove(bContext *C)
 680 {
 681         wmEvent event= *(C->window->eventstate);
 682         event.type= MOUSEMOVE;
 683         wm_event_add(C->window, &event);
 684
 685 }
 686
 687 /* ********************* ghost stuff *************** */
 688
 689 static int convert_key(GHOST_TKey key)
 690 {
 691         if (key>=GHOST_kKeyA && key<=GHOST_kKeyZ) {
 692                 return (AKEY + ((int) key - GHOST_kKeyA));
 693         } else if (key>=GHOST_kKey0 && key<=GHOST_kKey9) {
 694                 return (ZEROKEY + ((int) key - GHOST_kKey0));
 695         } else if (key>=GHOST_kKeyNumpad0 && key<=GHOST_kKeyNumpad9) {
 696                 return (PAD0 + ((int) key - GHOST_kKeyNumpad0));
 697         } else if (key>=GHOST_kKeyF1 && key<=GHOST_kKeyF12) {
 698                 return (F1KEY + ((int) key - GHOST_kKeyF1));
 699         } else {
 700                 switch (key) {
 701                         case GHOST_kKeyBackSpace:               return BACKSPACEKEY;
 702                         case GHOST_kKeyTab:                             return TABKEY;
 703                         case GHOST_kKeyLinefeed:                return LINEFEEDKEY;
 704                         case GHOST_kKeyClear:                   return 0;
 705                         case GHOST_kKeyEnter:                   return RETKEY;
 706
 707                         case GHOST_kKeyEsc:                             return ESCKEY;
 708                         case GHOST_kKeySpace:                   return SPACEKEY;
 709                         case GHOST_kKeyQuote:                   return QUOTEKEY;
 710                         case GHOST_kKeyComma:                   return COMMAKEY;
 711                         case GHOST_kKeyMinus:                   return MINUSKEY;
 712                         case GHOST_kKeyPeriod:                  return PERIODKEY;
 713                         case GHOST_kKeySlash:                   return SLASHKEY;
 714
 715                         case GHOST_kKeySemicolon:               return SEMICOLONKEY;
 716                         case GHOST_kKeyEqual:                   return EQUALKEY;
 717
 718                         case GHOST_kKeyLeftBracket:             return LEFTBRACKETKEY;
 719                         case GHOST_kKeyRightBracket:    return RIGHTBRACKETKEY;
 720                         case GHOST_kKeyBackslash:               return BACKSLASHKEY;
 721                         case GHOST_kKeyAccentGrave:             return ACCENTGRAVEKEY;
 722
 723                         case GHOST_kKeyLeftShift:               return LEFTSHIFTKEY;
 724                         case GHOST_kKeyRightShift:              return RIGHTSHIFTKEY;
 725                         case GHOST_kKeyLeftControl:             return LEFTCTRLKEY;
 726                         case GHOST_kKeyRightControl:    return RIGHTCTRLKEY;
 727                         case GHOST_kKeyCommand:                 return COMMANDKEY;
 728                         case GHOST_kKeyLeftAlt:                 return LEFTALTKEY;
 729                         case GHOST_kKeyRightAlt:                return RIGHTALTKEY;
 730
 731                         case GHOST_kKeyCapsLock:                return CAPSLOCKKEY;
 732                         case GHOST_kKeyNumLock:                 return 0;
 733                         case GHOST_kKeyScrollLock:              return 0;
 734
 735                         case GHOST_kKeyLeftArrow:               return LEFTARROWKEY;
 736                         case GHOST_kKeyRightArrow:              return RIGHTARROWKEY;
 737                         case GHOST_kKeyUpArrow:                 return UPARROWKEY;
 738                         case GHOST_kKeyDownArrow:               return DOWNARROWKEY;
 739
 740                         case GHOST_kKeyPrintScreen:             return 0;
 741                         case GHOST_kKeyPause:                   return PAUSEKEY;
 742
 743                         case GHOST_kKeyInsert:                  return INSERTKEY;
 744                         case GHOST_kKeyDelete:                  return DELKEY;
 745                         case GHOST_kKeyHome:                    return HOMEKEY;
 746                         case GHOST_kKeyEnd:                             return ENDKEY;
 747                         case GHOST_kKeyUpPage:                  return PAGEUPKEY;
 748                         case GHOST_kKeyDownPage:                return PAGEDOWNKEY;
 749
 750                         case GHOST_kKeyNumpadPeriod:    return PADPERIOD;
 751                         case GHOST_kKeyNumpadEnter:             return PADENTER;
 752                         case GHOST_kKeyNumpadPlus:              return PADPLUSKEY;
 753                         case GHOST_kKeyNumpadMinus:             return PADMINUS;
 754                         case GHOST_kKeyNumpadAsterisk:  return PADASTERKEY;
 755                         case GHOST_kKeyNumpadSlash:             return PADSLASHKEY;
 756
 757                         case GHOST_kKeyGrLess:              return GRLESSKEY;
 758
 759                         default:
 760                                 return UNKNOWNKEY;      /* GHOST_kKeyUnknown */
 761                 }
 762         }
 763 }
 764
 765 /* adds customdata to event */
 766 static void update_tablet_data(wmWindow *win, wmEvent *event)
 767 {
 768         const GHOST_TabletData *td= GHOST_GetTabletData(win->ghostwin);
 769
 770         /* if there's tablet data from an active tablet device then add it */
 771         if ((td != NULL) && td->Active) {
 772                 struct wmTabletData *wmtab= MEM_mallocN(sizeof(wmTabletData), "customdata tablet");
 773
 774                 wmtab->Active = td->Active;
 775                 wmtab->Pressure = td->Pressure;
 776                 wmtab->Xtilt = td->Xtilt;
 777                 wmtab->Ytilt = td->Ytilt;
 778
 779                 event->custom= EVT_DATA_TABLET;
 780                 event->customdata= wmtab;
 781                 event->customdatafree= 1;
 782         }
 783 }
 784
 785
 786 /* windows store own event queues, no bContext here */
 787 void wm_event_add_ghostevent(wmWindow *win, int type, void *customdata)
 788 {
 789         wmEvent event, *evt= win->eventstate;
 790
 791         /* initialize and copy state (only mouse x y and modifiers) */
 792         event= *evt;
 793
 794         switch (type) {
 795                 /* mouse move */
 796                 case GHOST_kEventCursorMove: {
 797                         if(win->active) {
 798                                 GHOST_TEventCursorData *cd= customdata;
 799                                 int cx, cy;
 800
 801                                 GHOST_ScreenToClient(win->ghostwin, cd->x, cd->y, &cx, &cy);
 802
 803                                 event.type= MOUSEMOVE;
 804                                 event.x= evt->x= cx;
 805                                 event.y= evt->y= (win->sizey-1) - cy;
 806
 807                                 ED_screen_set_subwinactive(win);        /* state variables in screen */
 808
 809                                 update_tablet_data(win, &event);
 810                                 wm_event_add(win, &event);
 811                         }
 812                         break;
 813                 }
 814                 /* mouse button */
 815                 case GHOST_kEventButtonDown:
 816                 case GHOST_kEventButtonUp: {
 817                         GHOST_TEventButtonData *bd= customdata;
 818                         event.val= (type==GHOST_kEventButtonDown);
 819
 820                         if (bd->button == GHOST_kButtonMaskLeft)
 821                                 event.type= LEFTMOUSE;
 822                         else if (bd->button == GHOST_kButtonMaskRight)
 823                                 event.type= RIGHTMOUSE;
 824                         else
 825                                 event.type= MIDDLEMOUSE;
 826
 827                         if(event.val)
 828                                 event.keymodifier= evt->keymodifier= event.type;
 829                         else
 830                                 event.keymodifier= evt->keymodifier= 0;
 831
 832                         update_tablet_data(win, &event);
 833                         wm_event_add(win, &event);
 834
 835                         break;
 836                 }
 837                 /* keyboard */
 838                 case GHOST_kEventKeyDown:
 839                 case GHOST_kEventKeyUp: {
 840                         GHOST_TEventKeyData *kd= customdata;
 841                         event.type= convert_key(kd->key);
 842                         event.ascii= kd->ascii;
 843                         event.val= (type==GHOST_kEventKeyDown); /* XXX eventmatch uses defines, bad code... */
 844
 845                         /* modifiers */
 846                         if (event.type==LEFTSHIFTKEY || event.type==RIGHTSHIFTKEY) {
 847                                 event.shift= evt->shift= event.val;
 848                         } else if (event.type==LEFTCTRLKEY || event.type==RIGHTCTRLKEY) {
 849                                 event.ctrl= evt->ctrl= event.val;
 850                         } else if (event.type==LEFTALTKEY || event.type==RIGHTALTKEY) {
 851                                 event.alt= evt->alt= event.val;
 852                         } else if (event.type==COMMANDKEY) {
 853                                 event.oskey= evt->oskey= event.val;
 854                         }
 855
 856                         wm_event_add(win, &event);
 857
 858                         break;
 859                 }
 860
 861                 case GHOST_kEventWheel: {
 862                         GHOST_TEventWheelData* wheelData = customdata;
 863
 864                         if (wheelData->z > 0)
 865                                 event.type= WHEELUPMOUSE;
 866                         else
 867                                 event.type= WHEELDOWNMOUSE;
 868
 869                         event.val= wheelData->z;        /* currently -1 or +1, see ghost for improvements here... */
 870                         wm_event_add(win, &event);
 871
 872                         break;
 873                 }
 874                 case GHOST_kEventTimer: {
 875                         event.type= TIMER;
 876                         event.custom= EVT_DATA_TIMER;
 877                         event.customdata= customdata;
 878                         wm_event_add(win, &event);
 879
 880                         break;
 881                 }
 882
 883                 case GHOST_kEventUnknown:
 884                 case GHOST_kNumEventTypes:
 885                         break;
 886         }
 887 }
 888