fix crash with lots of operators when running "blender -d". Easy case to reproduce...
[blender.git] / 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 /** \file blender/windowmanager/intern/wm_event_system.c
30  *  \ingroup wm
31  */
32
33
34 #include <stdlib.h>
35 #include <string.h>
36 #include <math.h>
37
38 #include "DNA_listBase.h"
39 #include "DNA_screen_types.h"
40 #include "DNA_scene_types.h"
41 #include "DNA_windowmanager_types.h"
42 #include "DNA_userdef_types.h"
43
44 #include "MEM_guardedalloc.h"
45
46 #include "GHOST_C-api.h"
47
48 #include "BLI_blenlib.h"
49 #include "BLI_utildefines.h"
50
51 #include "BKE_blender.h"
52 #include "BKE_context.h"
53 #include "BKE_idprop.h"
54 #include "BKE_global.h"
55 #include "BKE_main.h"
56 #include "BKE_report.h"
57 #include "BKE_scene.h"
58 #include "BKE_screen.h"
59
60 #include "BKE_sound.h"
61
62 #include "ED_fileselect.h"
63 #include "ED_info.h"
64 #include "ED_screen.h"
65 #include "ED_view3d.h"
66 #include "ED_util.h"
67
68 #include "RNA_access.h"
69
70 #include "UI_interface.h"
71
72 #include "PIL_time.h"
73
74 #include "WM_api.h"
75 #include "WM_types.h"
76 #include "wm.h"
77 #include "wm_window.h"
78 #include "wm_event_system.h"
79 #include "wm_event_types.h"
80 #include "wm_draw.h"
81
82 static int wm_operator_call_internal(bContext *C, wmOperatorType *ot, PointerRNA *properties, ReportList *reports, short context, short poll_only);
83
84 /* ************ event management ************** */
85
86 void wm_event_add(wmWindow *win, wmEvent *event_to_add)
87 {
88         wmEvent *event= MEM_callocN(sizeof(wmEvent), "event");
89         
90         *event= *event_to_add;
91         BLI_addtail(&win->queue, event);
92 }
93
94 void wm_event_free(wmEvent *event)
95 {
96         if(event->customdata) {
97                 if(event->customdatafree) {
98                         /* note: pointer to listbase struct elsewhere */
99                         if(event->custom==EVT_DATA_LISTBASE)
100                                 BLI_freelistN(event->customdata);
101                         else
102                                 MEM_freeN(event->customdata);
103                 }
104         }
105         MEM_freeN(event);
106 }
107
108 void wm_event_free_all(wmWindow *win)
109 {
110         wmEvent *event;
111         
112         while((event= win->queue.first)) {
113                 BLI_remlink(&win->queue, event);
114                 wm_event_free(event);
115         }
116 }
117
118 /* ********************* notifiers, listeners *************** */
119
120 static int wm_test_duplicate_notifier(wmWindowManager *wm, unsigned int type, void *reference)
121 {
122         wmNotifier *note;
123
124         for(note=wm->queue.first; note; note=note->next)
125                 if((note->category|note->data|note->subtype|note->action) == type && note->reference == reference)
126                         return 1;
127         
128         return 0;
129 }
130
131 /* XXX: in future, which notifiers to send to other windows? */
132 void WM_event_add_notifier(const bContext *C, unsigned int type, void *reference)
133 {
134         wmNotifier *note= MEM_callocN(sizeof(wmNotifier), "notifier");
135         
136         note->wm= CTX_wm_manager(C);
137         BLI_addtail(&note->wm->queue, note);
138         
139         note->window= CTX_wm_window(C);
140         
141         if(CTX_wm_region(C))
142                 note->swinid= CTX_wm_region(C)->swinid;
143         
144         note->category= type & NOTE_CATEGORY;
145         note->data= type & NOTE_DATA;
146         note->subtype= type & NOTE_SUBTYPE;
147         note->action= type & NOTE_ACTION;
148         
149         note->reference= reference;
150 }
151
152 void WM_main_add_notifier(unsigned int type, void *reference)
153 {
154         Main *bmain= G.main;
155         wmWindowManager *wm= bmain->wm.first;
156
157         if(wm && !wm_test_duplicate_notifier(wm, type, reference)) {
158                 wmNotifier *note= MEM_callocN(sizeof(wmNotifier), "notifier");
159                 
160                 note->wm= wm;
161                 BLI_addtail(&note->wm->queue, note);
162                 
163                 note->category= type & NOTE_CATEGORY;
164                 note->data= type & NOTE_DATA;
165                 note->subtype= type & NOTE_SUBTYPE;
166                 note->action= type & NOTE_ACTION;
167                 
168                 note->reference= reference;
169         }
170 }
171
172 static wmNotifier *wm_notifier_next(wmWindowManager *wm)
173 {
174         wmNotifier *note= wm->queue.first;
175         
176         if(note) BLI_remlink(&wm->queue, note);
177         return note;
178 }
179
180 /* called in mainloop */
181 void wm_event_do_notifiers(bContext *C)
182 {
183         wmWindowManager *wm= CTX_wm_manager(C);
184         wmNotifier *note, *next;
185         wmWindow *win;
186         unsigned int win_combine_v3d_datamask= 0;
187         
188         if(wm==NULL)
189                 return;
190         
191         /* cache & catch WM level notifiers, such as frame change, scene/screen set */
192         for(win= wm->windows.first; win; win= win->next) {
193                 int do_anim= 0;
194                 
195                 CTX_wm_window_set(C, win);
196                 
197                 for(note= wm->queue.first; note; note= next) {
198                         next= note->next;
199
200                         if(note->category==NC_WM) {
201                                 if( ELEM(note->data, ND_FILEREAD, ND_FILESAVE)) {
202                                         wm->file_saved= 1;
203                                         wm_window_title(wm, win);
204                                 }
205                                 else if(note->data==ND_DATACHANGED)
206                                         wm_window_title(wm, win);
207                         }
208                         if(note->window==win) {
209                                 if(note->category==NC_SCREEN) {
210                                         if(note->data==ND_SCREENBROWSE) {
211                                                 ED_screen_set(C, note->reference);      // XXX hrms, think this over!
212                                                 if(G.f & G_DEBUG)
213                                                         printf("screen set %p\n", note->reference);
214                                         }
215                                         else if(note->data==ND_SCREENDELETE) {
216                                                 ED_screen_delete(C, note->reference);   // XXX hrms, think this over!
217                                                 if(G.f & G_DEBUG)
218                                                         printf("screen delete %p\n", note->reference);
219                                         }
220                                 }
221                         }
222
223                         if(note->window==win || (note->window == NULL && (note->reference == NULL || note->reference == CTX_data_scene(C)))) {
224                                 if(note->category==NC_SCENE) {
225                                         if(note->data==ND_SCENEBROWSE) {
226                                                 ED_screen_set_scene(C, note->reference);        // XXX hrms, think this over!
227                                                 if(G.f & G_DEBUG)
228                                                         printf("scene set %p\n", note->reference);
229                                         }
230                                         else if(note->data==ND_FRAME)
231                                                 do_anim= 1;
232                                         
233                                         if(note->action == NA_REMOVED) {
234                                                 ED_screen_delete_scene(C, note->reference);     // XXX hrms, think this over!
235                                                 if(G.f & G_DEBUG)
236                                                         printf("scene delete %p\n", note->reference);
237                                         }
238                                                 
239                                 }
240                         }
241                         if(ELEM5(note->category, NC_SCENE, NC_OBJECT, NC_GEOM, NC_SCENE, NC_WM)) {
242                                 ED_info_stats_clear(CTX_data_scene(C));
243                                 WM_event_add_notifier(C, NC_SPACE|ND_SPACE_INFO, NULL);
244                         }
245                 }
246                 if(do_anim) {
247
248                         /* XXX, quick frame changes can cause a crash if framechange and rendering
249                          * collide (happens on slow scenes), scene_update_for_newframe can be called
250                          * twice which can depgraph update the same object at once */
251                         if(!G.rendering) {
252
253                                 /* depsgraph gets called, might send more notifiers */
254                                 ED_update_for_newframe(CTX_data_main(C), win->screen->scene, win->screen, 1);
255                         }
256                 }
257         }
258         
259         /* the notifiers are sent without context, to keep it clean */
260         while( (note=wm_notifier_next(wm)) ) {
261                 for(win= wm->windows.first; win; win= win->next) {
262                         
263                         /* filter out notifiers */
264                         if(note->category==NC_SCREEN && note->reference && note->reference!=win->screen);
265                         else if(note->category==NC_SCENE && note->reference && note->reference!=win->screen->scene);
266                         else {
267                                 ScrArea *sa;
268                                 ARegion *ar;
269
270                                 /* XXX context in notifiers? */
271                                 CTX_wm_window_set(C, win);
272
273                                 /* printf("notifier win %d screen %s cat %x\n", win->winid, win->screen->id.name+2, note->category); */
274                                 ED_screen_do_listen(C, note);
275
276                                 for(ar=win->screen->regionbase.first; ar; ar= ar->next) {
277                                         ED_region_do_listen(ar, note);
278                                 }
279                                 
280                                 for(sa= win->screen->areabase.first; sa; sa= sa->next) {
281                                         ED_area_do_listen(sa, note);
282                                         for(ar=sa->regionbase.first; ar; ar= ar->next) {
283                                                 ED_region_do_listen(ar, note);
284                                         }
285                                 }
286                         }
287                 }
288                 
289                 MEM_freeN(note);
290         }
291         
292         /* combine datamasks so 1 win doesn't disable UV's in another [#26448] */
293         for(win= wm->windows.first; win; win= win->next) {
294                 win_combine_v3d_datamask |= ED_viewedit_datamask(win->screen);
295         }
296
297         /* cached: editor refresh callbacks now, they get context */
298         for(win= wm->windows.first; win; win= win->next) {
299                 ScrArea *sa;
300                 
301                 CTX_wm_window_set(C, win);
302                 for(sa= win->screen->areabase.first; sa; sa= sa->next) {
303                         if(sa->do_refresh) {
304                                 CTX_wm_area_set(C, sa);
305                                 ED_area_do_refresh(C, sa);
306                         }
307                 }
308                 
309                 /* XXX make lock in future, or separated derivedmesh users in scene */
310                 if(!G.rendering) {
311                         /* depsgraph & animation: update tagged datablocks */
312
313                         /* copied to set's in scene_update_tagged_recursive() */
314                         win->screen->scene->customdata_mask= win_combine_v3d_datamask;
315
316                         /* XXX, hack so operators can enforce datamasks [#26482], gl render */
317                         win->screen->scene->customdata_mask |= win->screen->scene->customdata_mask_modal;
318
319                         scene_update_tagged(CTX_data_main(C), win->screen->scene);
320                 }
321         }
322
323         CTX_wm_window_set(C, NULL);
324 }
325
326 static int wm_event_always_pass(wmEvent *event)
327 {
328         /* some events we always pass on, to ensure proper communication */
329         return ISTIMER(event->type) || (event->type == WINDEACTIVATE);
330 }
331
332 /* ********************* ui handler ******************* */
333
334 static int wm_handler_ui_call(bContext *C, wmEventHandler *handler, wmEvent *event, int always_pass)
335 {
336         ScrArea *area= CTX_wm_area(C);
337         ARegion *region= CTX_wm_region(C);
338         ARegion *menu= CTX_wm_menu(C);
339         static int do_wheel_ui= 1;
340         int is_wheel= ELEM(event->type, WHEELUPMOUSE, WHEELDOWNMOUSE);
341         int retval;
342         
343         /* UI is quite agressive with swallowing events, like scrollwheel */
344         /* I realize this is not extremely nice code... when UI gets keymaps it can be maybe smarter */
345         if(do_wheel_ui==0) {
346                 if(is_wheel)
347                         return WM_HANDLER_CONTINUE;
348                 else if(wm_event_always_pass(event)==0)
349                         do_wheel_ui= 1;
350         }
351         
352         /* we set context to where ui handler came from */
353         if(handler->ui_area) CTX_wm_area_set(C, handler->ui_area);
354         if(handler->ui_region) CTX_wm_region_set(C, handler->ui_region);
355         if(handler->ui_menu) CTX_wm_menu_set(C, handler->ui_menu);
356
357         retval= handler->ui_handle(C, event, handler->ui_userdata);
358
359         /* putting back screen context */
360         if((retval != WM_UI_HANDLER_BREAK) || always_pass) {
361                 CTX_wm_area_set(C, area);
362                 CTX_wm_region_set(C, region);
363                 CTX_wm_menu_set(C, menu);
364         }
365         else {
366                 /* this special cases is for areas and regions that get removed */
367                 CTX_wm_area_set(C, NULL);
368                 CTX_wm_region_set(C, NULL);
369                 CTX_wm_menu_set(C, NULL);
370         }
371         
372         if(retval == WM_UI_HANDLER_BREAK)
373                 return WM_HANDLER_BREAK;
374         
375         /* event not handled in UI, if wheel then we temporarily disable it */
376         if(is_wheel)
377                 do_wheel_ui= 0;
378         
379         return WM_HANDLER_CONTINUE;
380 }
381
382 static void wm_handler_ui_cancel(bContext *C)
383 {
384         wmWindow *win= CTX_wm_window(C);
385         ARegion *ar= CTX_wm_region(C);
386         wmEventHandler *handler, *nexthandler;
387
388         if(!ar)
389                 return;
390
391         for(handler= ar->handlers.first; handler; handler= nexthandler) {
392                 nexthandler= handler->next;
393
394                 if(handler->ui_handle) {
395                         wmEvent event= *(win->eventstate);
396                         event.type= EVT_BUT_CANCEL;
397                         handler->ui_handle(C, &event, handler->ui_userdata);
398                 }
399         }
400 }
401
402 /* ********************* operators ******************* */
403
404 int WM_operator_poll(bContext *C, wmOperatorType *ot)
405 {
406         wmOperatorTypeMacro *otmacro;
407         
408         for(otmacro= ot->macro.first; otmacro; otmacro= otmacro->next) {
409                 wmOperatorType *ot_macro= WM_operatortype_find(otmacro->idname, 0);
410                 
411                 if(0==WM_operator_poll(C, ot_macro))
412                         return 0;
413         }
414         
415         /* python needs operator type, so we added exception for it */
416         if(ot->pyop_poll)
417                 return ot->pyop_poll(C, ot);
418         else if(ot->poll)
419                 return ot->poll(C);
420
421         return 1;
422 }
423
424 /* sets up the new context and calls 'wm_operator_invoke()' with poll_only */
425 int WM_operator_poll_context(bContext *C, wmOperatorType *ot, int context)
426 {
427         return wm_operator_call_internal(C, ot, NULL, NULL, context, TRUE);
428 }
429
430 static void wm_operator_print(bContext *C, wmOperator *op)
431 {
432         /* context is needed for enum function */
433         char *buf = WM_operator_pystring(C, op->type, op->ptr, 1);
434         printf("%s\n", buf);
435         MEM_freeN(buf);
436 }
437
438 static void wm_operator_reports(bContext *C, wmOperator *op, int retval, int popup)
439 {
440         if(popup)
441                 if(op->reports->list.first)
442                         uiPupMenuReports(C, op->reports);
443         
444         if(retval & OPERATOR_FINISHED) {
445                 if(G.f & G_DEBUG)
446                         wm_operator_print(C, op); /* todo - this print may double up, might want to check more flags then the FINISHED */
447                 
448                 BKE_reports_print(op->reports, RPT_DEBUG); /* print out reports to console. */
449                 if (op->type->flag & OPTYPE_REGISTER) {
450                         if(G.background == 0) { /* ends up printing these in the terminal, gets annoying */
451                                 /* Report the python string representation of the operator */
452                                 char *buf = WM_operator_pystring(C, op->type, op->ptr, 1);
453                                 BKE_report(CTX_wm_reports(C), RPT_OPERATOR, buf);
454                                 MEM_freeN(buf);
455                         }
456                 }
457         }
458
459         /* if the caller owns them them handle this */
460         if (op->reports->list.first && (op->reports->flag & RPT_OP_HOLD) == 0) {
461
462                 wmWindowManager *wm = CTX_wm_manager(C);
463                 ReportList *wm_reports= CTX_wm_reports(C);
464                 ReportTimerInfo *rti;
465
466                 /* add reports to the global list, otherwise they are not seen */
467                 BLI_movelisttolist(&wm_reports->list, &op->reports->list);
468                 
469                 /* After adding reports to the global list, reset the report timer. */
470                 WM_event_remove_timer(wm, NULL, wm_reports->reporttimer);
471                 
472                 /* Records time since last report was added */
473                 wm_reports->reporttimer= WM_event_add_timer(wm, CTX_wm_window(C), TIMERREPORT, 0.05);
474                 
475                 rti = MEM_callocN(sizeof(ReportTimerInfo), "ReportTimerInfo");
476                 wm_reports->reporttimer->customdata = rti;
477         }
478 }
479
480 /* this function is mainly to check that the rules for freeing
481  * an operator are kept in sync.
482  */
483 static int wm_operator_register_check(wmWindowManager *wm, wmOperatorType *ot)
484 {
485         return wm && (wm->op_undo_depth == 0) && (ot->flag & OPTYPE_REGISTER);
486 }
487
488 static void wm_operator_finished(bContext *C, wmOperator *op, int repeat)
489 {
490         wmWindowManager *wm= CTX_wm_manager(C);
491
492         op->customdata= NULL;
493
494         /* we don't want to do undo pushes for operators that are being
495            called from operators that already do an undo push. usually
496            this will happen for python operators that call C operators */
497         if(wm->op_undo_depth == 0)
498                 if(op->type->flag & OPTYPE_UNDO)
499                         ED_undo_push_op(C, op);
500         
501         if(repeat==0) {
502                 if(G.f & G_DEBUG) {
503                         char *buf = WM_operator_pystring(C, op->type, op->ptr, 1);
504                         BKE_report(CTX_wm_reports(C), RPT_OPERATOR, buf);
505                         MEM_freeN(buf);
506                 }
507
508                 if(wm_operator_register_check(wm, op->type))
509                         wm_operator_register(C, op);
510                 else
511                         WM_operator_free(op);
512         }
513 }
514
515 /* if repeat is true, it doesn't register again, nor does it free */
516 static int wm_operator_exec(bContext *C, wmOperator *op, int repeat)
517 {
518         wmWindowManager *wm= CTX_wm_manager(C);
519         int retval= OPERATOR_CANCELLED;
520         
521         CTX_wm_operator_poll_msg_set(C, NULL);
522         
523         if(op==NULL || op->type==NULL)
524                 return retval;
525         
526         if(0==WM_operator_poll(C, op->type))
527                 return retval;
528         
529         if(op->type->exec) {
530                 if(op->type->flag & OPTYPE_UNDO)
531                         wm->op_undo_depth++;
532
533                 retval= op->type->exec(C, op);
534
535                 if(op->type->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
536                         wm->op_undo_depth--;
537         }
538         
539         if (retval & (OPERATOR_FINISHED|OPERATOR_CANCELLED) && repeat == 0)
540                 wm_operator_reports(C, op, retval, 0);
541         
542         if(retval & OPERATOR_FINISHED)
543                 wm_operator_finished(C, op, repeat);
544         else if(repeat==0)
545                 WM_operator_free(op);
546         
547         return retval | OPERATOR_HANDLED;
548         
549 }
550
551 /* for running operators with frozen context (modal handlers, menus) */
552 int WM_operator_call(bContext *C, wmOperator *op)
553 {
554         return wm_operator_exec(C, op, 0);
555 }
556
557 /* do this operator again, put here so it can share above code */
558 int WM_operator_repeat(bContext *C, wmOperator *op)
559 {
560         return wm_operator_exec(C, op, 1);
561 }
562 /* TRUE if WM_operator_repeat can run
563  * simple check for now but may become more involved.
564  * To be sure the operator can run call WM_operator_poll(C, op->type) also, since this call
565  * checks if WM_operator_repeat() can run at all, not that it WILL run at any time. */
566 int WM_operator_repeat_check(const bContext *UNUSED(C), wmOperator *op)
567 {
568         return op->type->exec != NULL;
569 }
570
571 static wmOperator *wm_operator_create(wmWindowManager *wm, wmOperatorType *ot, PointerRNA *properties, ReportList *reports)
572 {
573         wmOperator *op= MEM_callocN(sizeof(wmOperator), ot->idname);    /* XXX operatortype names are static still. for debug */
574         
575         /* XXX adding new operator could be function, only happens here now */
576         op->type= ot;
577         BLI_strncpy(op->idname, ot->idname, OP_MAX_TYPENAME);
578         
579         /* initialize properties, either copy or create */
580         op->ptr= MEM_callocN(sizeof(PointerRNA), "wmOperatorPtrRNA");
581         if(properties && properties->data) {
582                 op->properties= IDP_CopyProperty(properties->data);
583         }
584         else {
585                 IDPropertyTemplate val = {0};
586                 op->properties= IDP_New(IDP_GROUP, val, "wmOperatorProperties");
587         }
588         RNA_pointer_create(&wm->id, ot->srna, op->properties, op->ptr);
589
590         /* initialize error reports */
591         if (reports) {
592                 op->reports= reports; /* must be initialized already */
593         }
594         else {
595                 op->reports= MEM_mallocN(sizeof(ReportList), "wmOperatorReportList");
596                 BKE_reports_init(op->reports, RPT_STORE|RPT_FREE);
597         }
598         
599         /* recursive filling of operator macro list */
600         if(ot->macro.first) {
601                 static wmOperator *motherop= NULL;
602                 wmOperatorTypeMacro *otmacro;
603                 int root = 0;
604                 
605                 /* ensure all ops are in execution order in 1 list */
606                 if(motherop==NULL) {
607                         motherop = op;
608                         root = 1;
609                 }
610
611                 
612                 /* if properties exist, it will contain everything needed */
613                 if (properties) {
614                         otmacro= ot->macro.first;
615
616                         RNA_STRUCT_BEGIN(properties, prop) {
617
618                                 if (otmacro == NULL)
619                                         break;
620
621                                 /* skip invalid properties */
622                                 if (strcmp(RNA_property_identifier(prop), otmacro->idname) == 0)
623                                 {
624                                         wmOperatorType *otm= WM_operatortype_find(otmacro->idname, 0);
625                                         PointerRNA someptr = RNA_property_pointer_get(properties, prop);
626                                         wmOperator *opm= wm_operator_create(wm, otm, &someptr, NULL);
627
628                                         IDP_ReplaceGroupInGroup(opm->properties, otmacro->properties);
629
630                                         BLI_addtail(&motherop->macro, opm);
631                                         opm->opm= motherop; /* pointer to mom, for modal() */
632
633                                         otmacro= otmacro->next;
634                                 }
635                         }
636                         RNA_STRUCT_END;
637                 } else {
638                         for (otmacro = ot->macro.first; otmacro; otmacro = otmacro->next) {
639                                 wmOperatorType *otm= WM_operatortype_find(otmacro->idname, 0);
640                                 wmOperator *opm= wm_operator_create(wm, otm, otmacro->ptr, NULL);
641
642                                 BLI_addtail(&motherop->macro, opm);
643                                 opm->opm= motherop; /* pointer to mom, for modal() */
644                         }
645                 }
646                 
647                 if (root)
648                         motherop= NULL;
649         }
650         
651         WM_operator_properties_sanitize(op->ptr, 0);
652
653         return op;
654 }
655
656 static void wm_region_mouse_co(bContext *C, wmEvent *event)
657 {
658         ARegion *ar= CTX_wm_region(C);
659         if(ar) {
660                 /* compatibility convention */
661                 event->mval[0]= event->x - ar->winrct.xmin;
662                 event->mval[1]= event->y - ar->winrct.ymin;
663         }
664 }
665
666 static int wm_operator_invoke(bContext *C, wmOperatorType *ot, wmEvent *event, PointerRNA *properties, ReportList *reports, short poll_only)
667 {
668         wmWindowManager *wm= CTX_wm_manager(C);
669         int retval= OPERATOR_PASS_THROUGH;
670
671         /* this is done because complicated setup is done to call this function that is better not duplicated */
672         if(poll_only)
673                 return WM_operator_poll(C, ot);
674
675         if(WM_operator_poll(C, ot)) {
676                 wmOperator *op= wm_operator_create(wm, ot, properties, reports); /* if reports==NULL, theyll be initialized */
677                 
678                 if((G.f & G_DEBUG) && event && event->type!=MOUSEMOVE)
679                         printf("handle evt %d win %d op %s\n", event?event->type:0, CTX_wm_screen(C)->subwinactive, ot->idname); 
680                 
681                 if(op->type->invoke && event) {
682                         wm_region_mouse_co(C, event);
683
684                         if(op->type->flag & OPTYPE_UNDO)
685                                 wm->op_undo_depth++;
686
687                         retval= op->type->invoke(C, op, event);
688
689                         if(op->type->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
690                                 wm->op_undo_depth--;
691                 }
692                 else if(op->type->exec) {
693                         if(op->type->flag & OPTYPE_UNDO)
694                                 wm->op_undo_depth++;
695
696                         retval= op->type->exec(C, op);
697
698                         if(op->type->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
699                                 wm->op_undo_depth--;
700                 }
701                 else
702                         printf("invalid operator call %s\n", ot->idname); /* debug, important to leave a while, should never happen */
703                 
704                 /* Note, if the report is given as an argument then assume the caller will deal with displaying them
705                  * currently python only uses this */
706                 if (!(retval & OPERATOR_HANDLED) && retval & (OPERATOR_FINISHED|OPERATOR_CANCELLED))
707                         /* only show the report if the report list was not given in the function */
708                         wm_operator_reports(C, op, retval, (reports==NULL));
709                 
710                 if(retval & OPERATOR_HANDLED)
711                         ; /* do nothing, wm_operator_exec() has been called somewhere */
712                 else if(retval & OPERATOR_FINISHED) {
713                         wm_operator_finished(C, op, 0);
714                 }
715                 else if(retval & OPERATOR_RUNNING_MODAL) {
716                         /* grab cursor during blocking modal ops (X11)
717                          * Also check for macro
718                          * */
719                         if(ot->flag & OPTYPE_BLOCKING || (op->opm && op->opm->type->flag & OPTYPE_BLOCKING)) {
720                                 int bounds[4] = {-1,-1,-1,-1};
721                                 int wrap;
722
723                                 if (op->opm) {
724                                         wrap = (U.uiflag & USER_CONTINUOUS_MOUSE) && ((op->opm->flag & OP_GRAB_POINTER) || (op->opm->type->flag & OPTYPE_GRAB_POINTER));
725                                 } else {
726                                         wrap = (U.uiflag & USER_CONTINUOUS_MOUSE) && ((op->flag & OP_GRAB_POINTER) || (ot->flag & OPTYPE_GRAB_POINTER));
727                                 }
728
729                                 /* exception, cont. grab in header is annoying */
730                                 if(wrap) {
731                                         ARegion *ar= CTX_wm_region(C);
732                                         if(ar && ar->regiontype == RGN_TYPE_HEADER) {
733                                                 wrap= FALSE;
734                                         }
735                                 }
736
737                                 if(wrap) {
738                                         rcti *winrect= NULL;
739                                         ARegion *ar= CTX_wm_region(C);
740                                         ScrArea *sa= CTX_wm_area(C);
741
742                                         if(ar && ar->regiontype == RGN_TYPE_WINDOW && event && BLI_in_rcti(&ar->winrct, event->x, event->y)) {
743                                                 winrect= &ar->winrct;
744                                         }
745                                         else if(sa) {
746                                                 winrect= &sa->totrct;
747                                         }
748
749                                         if(winrect) {
750                                                 bounds[0]= winrect->xmin;
751                                                 bounds[1]= winrect->ymax;
752                                                 bounds[2]= winrect->xmax;
753                                                 bounds[3]= winrect->ymin;
754                                         }
755                                 }
756
757                                 WM_cursor_grab(CTX_wm_window(C), wrap, FALSE, bounds);
758                         }
759
760                         /* cancel UI handlers, typically tooltips that can hang around
761                            while dragging the view or worse, that stay there permanently
762                            after the modal operator has swallowed all events and passed
763                            none to the UI handler */
764                         wm_handler_ui_cancel(C);
765                 }
766                 else
767                         WM_operator_free(op);
768         }
769
770         return retval;
771 }
772
773 /* WM_operator_name_call is the main accessor function
774  * this is for python to access since its done the operator lookup
775  * 
776  * invokes operator in context */
777 static int wm_operator_call_internal(bContext *C, wmOperatorType *ot, PointerRNA *properties, ReportList *reports, short context, short poll_only)
778 {
779         wmWindow *window= CTX_wm_window(C);
780         wmEvent *event;
781         
782         int retval;
783
784         CTX_wm_operator_poll_msg_set(C, NULL);
785
786         /* dummie test */
787         if(ot && C) {
788                 switch(context) {
789                         case WM_OP_INVOKE_DEFAULT:
790                         case WM_OP_INVOKE_REGION_WIN:
791                         case WM_OP_INVOKE_AREA:
792                         case WM_OP_INVOKE_SCREEN:
793                                 /* window is needed for invoke, cancel operator */
794                                 if (window == NULL)
795                                         return 0;
796                                 else
797                                         event= window->eventstate;
798                                 break;
799                         default:
800                                 event = NULL;
801                 }
802
803                 switch(context) {
804                         
805                         case WM_OP_EXEC_REGION_WIN:
806                         case WM_OP_INVOKE_REGION_WIN: 
807                         case WM_OP_EXEC_REGION_CHANNELS:
808                         case WM_OP_INVOKE_REGION_CHANNELS:
809                         case WM_OP_EXEC_REGION_PREVIEW:
810                         case WM_OP_INVOKE_REGION_PREVIEW:
811                         {
812                                 /* forces operator to go to the region window/channels/preview, for header menus
813                                  * but we stay in the same region if we are already in one 
814                                  */
815                                 ARegion *ar= CTX_wm_region(C);
816                                 ScrArea *area= CTX_wm_area(C);
817                                 int type = RGN_TYPE_WINDOW;
818                                 
819                                 switch (context) {
820                                         case WM_OP_EXEC_REGION_CHANNELS:
821                                         case WM_OP_INVOKE_REGION_CHANNELS:
822                                                 type = RGN_TYPE_CHANNELS;
823                                                 break;
824                                         
825                                         case WM_OP_EXEC_REGION_PREVIEW:
826                                         case WM_OP_INVOKE_REGION_PREVIEW:
827                                                 type = RGN_TYPE_PREVIEW;
828                                                 break;
829                                         
830                                         case WM_OP_EXEC_REGION_WIN:
831                                         case WM_OP_INVOKE_REGION_WIN: 
832                                         default:
833                                                 type = RGN_TYPE_WINDOW;
834                                                 break;
835                                 }
836                                 
837                                 if(!(ar && ar->regiontype == type) && area) {
838                                         ARegion *ar1= BKE_area_find_region_type(area, type);
839                                         if(ar1)
840                                                 CTX_wm_region_set(C, ar1);
841                                 }
842                                 
843                                 retval= wm_operator_invoke(C, ot, event, properties, reports, poll_only);
844                                 
845                                 /* set region back */
846                                 CTX_wm_region_set(C, ar);
847                                 
848                                 return retval;
849                         }
850                         case WM_OP_EXEC_AREA:
851                         case WM_OP_INVOKE_AREA:
852                         {
853                                         /* remove region from context */
854                                 ARegion *ar= CTX_wm_region(C);
855
856                                 CTX_wm_region_set(C, NULL);
857                                 retval= wm_operator_invoke(C, ot, event, properties, reports, poll_only);
858                                 CTX_wm_region_set(C, ar);
859
860                                 return retval;
861                         }
862                         case WM_OP_EXEC_SCREEN:
863                         case WM_OP_INVOKE_SCREEN:
864                         {
865                                 /* remove region + area from context */
866                                 ARegion *ar= CTX_wm_region(C);
867                                 ScrArea *area= CTX_wm_area(C);
868
869                                 CTX_wm_region_set(C, NULL);
870                                 CTX_wm_area_set(C, NULL);
871                                 retval= wm_operator_invoke(C, ot, event, properties, reports, poll_only);
872                                 CTX_wm_region_set(C, ar);
873                                 CTX_wm_area_set(C, area);
874
875                                 return retval;
876                         }
877                         case WM_OP_EXEC_DEFAULT:
878                         case WM_OP_INVOKE_DEFAULT:
879                                 return wm_operator_invoke(C, ot, event, properties, reports, poll_only);
880                 }
881         }
882         
883         return 0;
884 }
885
886
887 /* invokes operator in context */
888 int WM_operator_name_call(bContext *C, const char *opstring, int context, PointerRNA *properties)
889 {
890         wmOperatorType *ot= WM_operatortype_find(opstring, 0);
891         if(ot)
892                 return wm_operator_call_internal(C, ot, properties, NULL, context, FALSE);
893
894         return 0;
895 }
896
897 /* Similar to WM_operator_name_call called with WM_OP_EXEC_DEFAULT context.
898    - wmOperatorType is used instead of operator name since python already has the operator type
899    - poll() must be called by python before this runs.
900    - reports can be passed to this function (so python can report them as exceptions)
901 */
902 int WM_operator_call_py(bContext *C, wmOperatorType *ot, int context, PointerRNA *properties, ReportList *reports)
903 {
904         int retval= OPERATOR_CANCELLED;
905
906 #if 0
907         wmOperator *op;
908         op= wm_operator_create(wm, ot, properties, reports);
909
910         if (op->type->exec) {
911                 if(op->type->flag & OPTYPE_UNDO)
912                         wm->op_undo_depth++;
913
914                 retval= op->type->exec(C, op);
915
916                 if(op->type->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
917                         wm->op_undo_depth--;
918         }
919         else
920                 printf("error \"%s\" operator has no exec function, python cannot call it\n", op->type->name);
921 #endif
922
923         retval= wm_operator_call_internal(C, ot, properties, reports, context, FALSE);
924         
925         /* keep the reports around if needed later */
926         if (    (retval & OPERATOR_RUNNING_MODAL) ||
927                         ((retval & OPERATOR_FINISHED) && wm_operator_register_check(CTX_wm_manager(C), ot))
928         ) {
929                 reports->flag |= RPT_FREE; /* let blender manage freeing */
930         }
931         
932         return retval;
933 }
934
935
936 /* ********************* handlers *************** */
937
938 /* future extra customadata free? */
939 void wm_event_free_handler(wmEventHandler *handler)
940 {
941         MEM_freeN(handler);
942 }
943
944 /* only set context when area/region is part of screen */
945 static void wm_handler_op_context(bContext *C, wmEventHandler *handler)
946 {
947         bScreen *screen= CTX_wm_screen(C);
948         
949         if(screen && handler->op) {
950                 if(handler->op_area==NULL)
951                         CTX_wm_area_set(C, NULL);
952                 else {
953                         ScrArea *sa;
954                         
955                         for(sa= screen->areabase.first; sa; sa= sa->next)
956                                 if(sa==handler->op_area)
957                                         break;
958                         if(sa==NULL) {
959                                 /* when changing screen layouts with running modal handlers (like render display), this
960                                    is not an error to print */
961                                 if(handler->op==NULL)
962                                         printf("internal error: handler (%s) has invalid area\n", handler->op->type->idname);
963                         }
964                         else {
965                                 ARegion *ar;
966                                 CTX_wm_area_set(C, sa);
967                                 for(ar= sa->regionbase.first; ar; ar= ar->next)
968                                         if(ar==handler->op_region)
969                                                 break;
970                                 /* XXX no warning print here, after full-area and back regions are remade */
971                                 if(ar)
972                                         CTX_wm_region_set(C, ar);
973                         }
974                 }
975         }
976 }
977
978 /* called on exit or remove area, only here call cancel callback */
979 void WM_event_remove_handlers(bContext *C, ListBase *handlers)
980 {
981         wmEventHandler *handler;
982         wmWindowManager *wm= CTX_wm_manager(C);
983         
984         /* C is zero on freeing database, modal handlers then already were freed */
985         while((handler=handlers->first)) {
986                 BLI_remlink(handlers, handler);
987                 
988                 if(handler->op) {
989                         if(handler->op->type->cancel) {
990                                 ScrArea *area= CTX_wm_area(C);
991                                 ARegion *region= CTX_wm_region(C);
992                                 
993                                 wm_handler_op_context(C, handler);
994
995                                 if(handler->op->type->flag & OPTYPE_UNDO)
996                                         wm->op_undo_depth++;
997
998                                 handler->op->type->cancel(C, handler->op);
999
1000                                 if(handler->op->type->flag & OPTYPE_UNDO)
1001                                         wm->op_undo_depth--;
1002
1003                                 CTX_wm_area_set(C, area);
1004                                 CTX_wm_region_set(C, region);
1005                         }
1006
1007                         WM_cursor_ungrab(CTX_wm_window(C));
1008                         WM_operator_free(handler->op);
1009                 }
1010                 else if(handler->ui_remove) {
1011                         ScrArea *area= CTX_wm_area(C);
1012                         ARegion *region= CTX_wm_region(C);
1013                         ARegion *menu= CTX_wm_menu(C);
1014                         
1015                         if(handler->ui_area) CTX_wm_area_set(C, handler->ui_area);
1016                         if(handler->ui_region) CTX_wm_region_set(C, handler->ui_region);
1017                         if(handler->ui_menu) CTX_wm_menu_set(C, handler->ui_menu);
1018
1019                         handler->ui_remove(C, handler->ui_userdata);
1020
1021                         CTX_wm_area_set(C, area);
1022                         CTX_wm_region_set(C, region);
1023                         CTX_wm_menu_set(C, menu);
1024                 }
1025
1026                 wm_event_free_handler(handler);
1027         }
1028 }
1029
1030 /* do userdef mappings */
1031 int WM_userdef_event_map(int kmitype)
1032 {
1033         switch(kmitype) {
1034                 case SELECTMOUSE:
1035                         if(U.flag & USER_LMOUSESELECT)
1036                                 return LEFTMOUSE;
1037                         else
1038                                 return RIGHTMOUSE;
1039                         
1040                 case ACTIONMOUSE:
1041                         if(U.flag & USER_LMOUSESELECT)
1042                                 return RIGHTMOUSE;
1043                         else
1044                                 return LEFTMOUSE;
1045                         
1046                 case WHEELOUTMOUSE:
1047                         if(U.uiflag & USER_WHEELZOOMDIR)
1048                                 return WHEELUPMOUSE;
1049                         else
1050                                 return WHEELDOWNMOUSE;
1051                         
1052                 case WHEELINMOUSE:
1053                         if(U.uiflag & USER_WHEELZOOMDIR)
1054                                 return WHEELDOWNMOUSE;
1055                         else
1056                                 return WHEELUPMOUSE;
1057                         
1058                 case EVT_TWEAK_A:
1059                         if(U.flag & USER_LMOUSESELECT)
1060                                 return EVT_TWEAK_R;
1061                         else
1062                                 return EVT_TWEAK_L;
1063                         
1064                 case EVT_TWEAK_S:
1065                         if(U.flag & USER_LMOUSESELECT)
1066                                 return EVT_TWEAK_L;
1067                         else
1068                                 return EVT_TWEAK_R;
1069         }
1070         
1071         return kmitype;
1072 }
1073
1074 static void wm_eventemulation(wmEvent *event)
1075 {
1076         static int mmb_emulated = 0; /* this should be in a data structure somwhere */
1077         
1078         /* middlemouse emulation */
1079         if(U.flag & USER_TWOBUTTONMOUSE) {
1080                 if(event->type == LEFTMOUSE && (event->alt || mmb_emulated == KM_PRESS)) {
1081                         event->type = MIDDLEMOUSE;
1082                         event->alt = 0;
1083                         mmb_emulated = event->val;
1084                 }
1085         }
1086
1087 #ifdef __APPLE__
1088         /* rightmouse emulation */
1089         if(U.flag & USER_TWOBUTTONMOUSE) {
1090                 if(event->type == LEFTMOUSE && (event->oskey || mmb_emulated == KM_PRESS)) {
1091                         event->type = RIGHTMOUSE;
1092                         event->oskey = 0;
1093                         mmb_emulated = event->val;
1094                 }
1095         }
1096 #endif
1097
1098         /* numpad emulation */
1099         if(U.flag & USER_NONUMPAD) {
1100                 switch(event->type) {
1101                         case ZEROKEY: event->type = PAD0; break;
1102                         case ONEKEY: event->type = PAD1; break;
1103                         case TWOKEY: event->type = PAD2; break;
1104                         case THREEKEY: event->type = PAD3; break;
1105                         case FOURKEY: event->type = PAD4; break;
1106                         case FIVEKEY: event->type = PAD5; break;
1107                         case SIXKEY: event->type = PAD6; break;
1108                         case SEVENKEY: event->type = PAD7; break;
1109                         case EIGHTKEY: event->type = PAD8; break;
1110                         case NINEKEY: event->type = PAD9; break;
1111                         case MINUSKEY: event->type = PADMINUS; break;
1112                         case EQUALKEY: event->type = PADPLUSKEY; break;
1113                         case BACKSLASHKEY: event->type = PADSLASHKEY; break;
1114                 }
1115         }
1116 }
1117
1118 static int wm_eventmatch(wmEvent *winevent, wmKeyMapItem *kmi)
1119 {
1120         int kmitype= WM_userdef_event_map(kmi->type);
1121
1122         if(kmi->flag & KMI_INACTIVE) return 0;
1123
1124         /* the matching rules */
1125         if(kmitype==KM_TEXTINPUT)
1126                 if(ISTEXTINPUT(winevent->type) && winevent->ascii) return 1;
1127         if(kmitype!=KM_ANY)
1128                 if(winevent->type!=kmitype) return 0;
1129         
1130         if(kmi->val!=KM_ANY)
1131                 if(winevent->val!=kmi->val) return 0;
1132         
1133         /* modifiers also check bits, so it allows modifier order */
1134         if(kmi->shift!=KM_ANY)
1135                 if(winevent->shift != kmi->shift && !(winevent->shift & kmi->shift)) return 0;
1136         if(kmi->ctrl!=KM_ANY)
1137                 if(winevent->ctrl != kmi->ctrl && !(winevent->ctrl & kmi->ctrl)) return 0;
1138         if(kmi->alt!=KM_ANY)
1139                 if(winevent->alt != kmi->alt && !(winevent->alt & kmi->alt)) return 0;
1140         if(kmi->oskey!=KM_ANY)
1141                 if(winevent->oskey != kmi->oskey && !(winevent->oskey & kmi->oskey)) return 0;
1142         
1143         if(kmi->keymodifier)
1144                 if(winevent->keymodifier!=kmi->keymodifier) return 0;
1145                 
1146         /* key modifiers always check when event has it */
1147         /* otherwise regular keypresses with keymodifier still work */
1148         if(winevent->keymodifier)
1149                 if(ISTEXTINPUT(winevent->type)) 
1150                         if(winevent->keymodifier!=kmi->keymodifier) return 0;
1151         
1152         return 1;
1153 }
1154
1155
1156 /* operator exists */
1157 static void wm_event_modalkeymap(const bContext *C, wmOperator *op, wmEvent *event)
1158 {
1159         /* support for modal keymap in macros */
1160         if (op->opm)
1161                 op = op->opm;
1162
1163         if(op->type->modalkeymap) {
1164                 wmKeyMap *keymap= WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
1165                 wmKeyMapItem *kmi;
1166
1167                 for(kmi= keymap->items.first; kmi; kmi= kmi->next) {
1168                         if(wm_eventmatch(event, kmi)) {
1169                                         
1170                                 event->type= EVT_MODAL_MAP;
1171                                 event->val= kmi->propvalue;
1172                         }
1173                 }
1174         }
1175 }
1176
1177 /* Warning: this function removes a modal handler, when finished */
1178 static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHandler *handler, wmEvent *event, PointerRNA *properties)
1179 {
1180         int retval= OPERATOR_PASS_THROUGH;
1181         
1182         /* derived, modal or blocking operator */
1183         if(handler->op) {
1184                 wmOperator *op= handler->op;
1185                 wmOperatorType *ot= op->type;
1186
1187                 if(ot->modal) {
1188                         /* we set context to where modal handler came from */
1189                         wmWindowManager *wm= CTX_wm_manager(C);
1190                         ScrArea *area= CTX_wm_area(C);
1191                         ARegion *region= CTX_wm_region(C);
1192                         
1193                         wm_handler_op_context(C, handler);
1194                         wm_region_mouse_co(C, event);
1195                         wm_event_modalkeymap(C, op, event);
1196                         
1197                         if(ot->flag & OPTYPE_UNDO)
1198                                 wm->op_undo_depth++;
1199
1200                         retval= ot->modal(C, op, event);
1201
1202                         if(ot->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
1203                                 wm->op_undo_depth--;
1204
1205                         /* putting back screen context, reval can pass trough after modal failures! */
1206                         if((retval & OPERATOR_PASS_THROUGH) || wm_event_always_pass(event)) {
1207                                 CTX_wm_area_set(C, area);
1208                                 CTX_wm_region_set(C, region);
1209                         }
1210                         else {
1211                                 /* this special cases is for areas and regions that get removed */
1212                                 CTX_wm_area_set(C, NULL);
1213                                 CTX_wm_region_set(C, NULL);
1214                         }               
1215
1216                         if(retval & (OPERATOR_CANCELLED|OPERATOR_FINISHED))
1217                                 wm_operator_reports(C, op, retval, 0);
1218                         
1219                         if(retval & OPERATOR_FINISHED) {
1220                                 wm_operator_finished(C, op, 0);
1221                                 handler->op= NULL;
1222                         }
1223                         else if(retval & (OPERATOR_CANCELLED|OPERATOR_FINISHED)) {
1224                                 WM_operator_free(op);
1225                                 handler->op= NULL;
1226                         }
1227                         
1228                         /* remove modal handler, operator itself should have been cancelled and freed */
1229                         if(retval & (OPERATOR_CANCELLED|OPERATOR_FINISHED)) {
1230                                 WM_cursor_ungrab(CTX_wm_window(C));
1231
1232                                 BLI_remlink(handlers, handler);
1233                                 wm_event_free_handler(handler);
1234                                 
1235                                 /* prevent silly errors from operator users */
1236                                 //retval &= ~OPERATOR_PASS_THROUGH;
1237                         }
1238                         
1239                 }
1240                 else
1241                         printf("wm_handler_operator_call error\n");
1242         }
1243         else {
1244                 wmOperatorType *ot= WM_operatortype_find(event->keymap_idname, 0);
1245
1246                 if(ot)
1247                         retval= wm_operator_invoke(C, ot, event, properties, NULL, FALSE);
1248         }
1249
1250         /* Finished and pass through flag as handled */
1251         if(retval == (OPERATOR_FINISHED|OPERATOR_PASS_THROUGH))
1252                 return WM_HANDLER_HANDLED;
1253
1254         /* Modal unhandled, break */
1255         if(retval == (OPERATOR_PASS_THROUGH|OPERATOR_RUNNING_MODAL))
1256                 return (WM_HANDLER_BREAK|WM_HANDLER_MODAL);
1257
1258         if(retval & OPERATOR_PASS_THROUGH)
1259                 return WM_HANDLER_CONTINUE;
1260
1261         return WM_HANDLER_BREAK;
1262 }
1263
1264 /* fileselect handlers are only in the window queue, so it's save to switch screens or area types */
1265 static int wm_handler_fileselect_call(bContext *C, ListBase *handlers, wmEventHandler *handler, wmEvent *event)
1266 {
1267         wmWindowManager *wm= CTX_wm_manager(C);
1268         SpaceFile *sfile;
1269         int action= WM_HANDLER_CONTINUE;
1270         
1271         if(event->type != EVT_FILESELECT)
1272                 return action;
1273         if(handler->op != (wmOperator *)event->customdata)
1274                 return action;
1275         
1276         switch(event->val) {
1277                 case EVT_FILESELECT_OPEN: 
1278                 case EVT_FILESELECT_FULL_OPEN: 
1279                         {       
1280                                 ScrArea *sa;
1281                                 
1282                                 /* sa can be null when window A is active, but mouse is over window B */
1283                                 /* in this case, open file select in original window A */
1284                                 if (handler->op_area == NULL) {
1285                                         bScreen *screen = CTX_wm_screen(C);
1286                                         sa = (ScrArea *)screen->areabase.first;
1287                                 } else
1288                                         sa = handler->op_area;
1289                                         
1290                                 if(event->val==EVT_FILESELECT_OPEN)
1291                                         ED_area_newspace(C, sa, SPACE_FILE);
1292                                 else
1293                                         ED_screen_full_newspace(C, sa, SPACE_FILE);     /* sets context */
1294                                 
1295                                 /* settings for filebrowser, sfile is not operator owner but sends events */
1296                                 sa = CTX_wm_area(C);
1297                                 sfile= (SpaceFile*)sa->spacedata.first;
1298                                 sfile->op= handler->op;
1299
1300                                 ED_fileselect_set_params(sfile);
1301                                 
1302                                 action= WM_HANDLER_BREAK;
1303                         }
1304                         break;
1305                         
1306                 case EVT_FILESELECT_EXEC:
1307                 case EVT_FILESELECT_CANCEL:
1308                 case EVT_FILESELECT_EXTERNAL_CANCEL:
1309                         {
1310                                 /* XXX validate area and region? */
1311                                 bScreen *screen= CTX_wm_screen(C);
1312
1313                                 /* remlink now, for load file case before removing*/
1314                                 BLI_remlink(handlers, handler);
1315                                 
1316                                 if(event->val!=EVT_FILESELECT_EXTERNAL_CANCEL) {
1317                                         if(screen != handler->filescreen) {
1318                                                 ED_screen_full_prevspace(C, CTX_wm_area(C));
1319                                         }
1320                                         else {
1321                                                 ED_area_prevspace(C, CTX_wm_area(C));
1322                                         }
1323                                 }
1324                                 
1325                                 wm_handler_op_context(C, handler);
1326
1327                                 /* needed for uiPupMenuReports */
1328
1329                                 if(event->val==EVT_FILESELECT_EXEC) {
1330 #if 0                           // use REDALERT now
1331
1332                                         /* a bit weak, might become arg for WM_event_fileselect? */
1333                                         /* XXX also extension code in image-save doesnt work for this yet */
1334                                         if (RNA_struct_find_property(handler->op->ptr, "check_existing") && 
1335                                                         RNA_boolean_get(handler->op->ptr, "check_existing")) {
1336                                                 char *path= RNA_string_get_alloc(handler->op->ptr, "filepath", NULL, 0);
1337                                                 /* this gives ownership to pupmenu */
1338                                                 uiPupMenuSaveOver(C, handler->op, (path)? path: "");
1339                                                 if(path)
1340                                                         MEM_freeN(path);
1341                                         }
1342                                         else
1343 #endif
1344                                         {
1345                                                 int retval;
1346                                                 
1347                                                 if(handler->op->type->flag & OPTYPE_UNDO)
1348                                                         wm->op_undo_depth++;
1349
1350                                                 retval= handler->op->type->exec(C, handler->op);
1351
1352                                                 /* XXX check this carefully, CTX_wm_manager(C) == wm is a bit hackish */
1353                                                 if(handler->op->type->flag & OPTYPE_UNDO && CTX_wm_manager(C) == wm)
1354                                                         wm->op_undo_depth--;
1355                                                 
1356                                                 if (retval & OPERATOR_FINISHED)
1357                                                         if(G.f & G_DEBUG)
1358                                                                 wm_operator_print(C, handler->op);
1359                                                 
1360                                                 /* XXX check this carefully, CTX_wm_manager(C) == wm is a bit hackish */
1361                                                 if(CTX_wm_manager(C) == wm && wm->op_undo_depth == 0)
1362                                                         if(handler->op->type->flag & OPTYPE_UNDO)
1363                                                                 ED_undo_push_op(C, handler->op);
1364
1365                                                 if(handler->op->reports->list.first) {
1366
1367                                                         /* FIXME, temp setting window, this is really bad!
1368                                                          * only have because lib linking errors need to be seen by users :(
1369                                                          * it can be removed without breaking anything but then no linking errors - campbell */
1370                                                         wmWindow *win_prev= CTX_wm_window(C);
1371                                                         if(win_prev==NULL)
1372                                                                 CTX_wm_window_set(C, CTX_wm_manager(C)->windows.first);
1373
1374                                                         handler->op->reports->printlevel = RPT_WARNING;
1375                                                         uiPupMenuReports(C, handler->op->reports);
1376
1377                                                         /* XXX - copied from 'wm_operator_finished()' */
1378                                                         /* add reports to the global list, otherwise they are not seen */
1379                                                         BLI_movelisttolist(&CTX_wm_reports(C)->list, &handler->op->reports->list);
1380
1381                                                         CTX_wm_window_set(C, win_prev);
1382                                                 }
1383
1384                                                 WM_operator_free(handler->op);
1385                                         }
1386                                 }
1387                                 else {
1388                                         if(handler->op->type->cancel) {
1389                                                 if(handler->op->type->flag & OPTYPE_UNDO)
1390                                                         wm->op_undo_depth++;
1391
1392                                                 handler->op->type->cancel(C, handler->op);
1393
1394                                                 if(handler->op->type->flag & OPTYPE_UNDO)
1395                                                         wm->op_undo_depth--;
1396                                         }
1397
1398                                         WM_operator_free(handler->op);
1399                                 }
1400
1401                                 CTX_wm_area_set(C, NULL);
1402                                 
1403                                 wm_event_free_handler(handler);
1404                                 
1405                                 action= WM_HANDLER_BREAK;
1406                         }
1407                         break;
1408         }
1409         
1410         return action;
1411 }
1412
1413 static int handler_boundbox_test(wmEventHandler *handler, wmEvent *event)
1414 {
1415         if(handler->bbwin) {
1416                 if(handler->bblocal) {
1417                         rcti rect= *handler->bblocal;
1418                         BLI_translate_rcti(&rect, handler->bbwin->xmin, handler->bbwin->ymin);
1419
1420                         if(BLI_in_rcti(&rect, event->x, event->y))
1421                                 return 1;
1422                         else if(event->type==MOUSEMOVE && BLI_in_rcti(&rect, event->prevx, event->prevy))
1423                                 return 1;
1424                         else
1425                                 return 0;
1426                 }
1427                 else {
1428                         if(BLI_in_rcti(handler->bbwin, event->x, event->y))
1429                                 return 1;
1430                         else if(event->type==MOUSEMOVE && BLI_in_rcti(handler->bbwin, event->prevx, event->prevy))
1431                                 return 1;
1432                         else
1433                                 return 0;
1434                 }
1435         }
1436         return 1;
1437 }
1438
1439 static int wm_action_not_handled(int action)
1440 {
1441         return action == WM_HANDLER_CONTINUE || action == (WM_HANDLER_BREAK|WM_HANDLER_MODAL);
1442 }
1443
1444 static int wm_handlers_do(bContext *C, wmEvent *event, ListBase *handlers)
1445 {
1446         wmWindowManager *wm= CTX_wm_manager(C);
1447         wmEventHandler *handler, *nexthandler;
1448         int action= WM_HANDLER_CONTINUE;
1449         int always_pass;
1450
1451         if(handlers==NULL) return action;
1452
1453         /* modal handlers can get removed in this loop, we keep the loop this way */
1454         for(handler= handlers->first; handler; handler= nexthandler) {
1455                 
1456                 nexthandler= handler->next;
1457                 
1458                 /* during this loop, ui handlers for nested menus can tag multiple handlers free */
1459                 if(handler->flag & WM_HANDLER_DO_FREE);
1460                         /* optional boundbox */
1461                 else if(handler_boundbox_test(handler, event)) {
1462                         /* in advance to avoid access to freed event on window close */
1463                         always_pass= wm_event_always_pass(event);
1464                 
1465                         /* modal+blocking handler */
1466                         if(handler->flag & WM_HANDLER_BLOCKING)
1467                                 action |= WM_HANDLER_BREAK;
1468
1469                         if(handler->keymap) {
1470                                 wmKeyMap *keymap= WM_keymap_active(wm, handler->keymap);
1471                                 wmKeyMapItem *kmi;
1472                                 
1473                                 if(!keymap->poll || keymap->poll(C)) {
1474                                         for(kmi= keymap->items.first; kmi; kmi= kmi->next) {
1475                                                 if(wm_eventmatch(event, kmi)) {
1476                                                         
1477                                                         event->keymap_idname= kmi->idname;      /* weak, but allows interactive callback to not use rawkey */
1478                                                         
1479                                                         action |= wm_handler_operator_call(C, handlers, handler, event, kmi->ptr);
1480                                                         if(action & WM_HANDLER_BREAK)  /* not always_pass here, it denotes removed handler */
1481                                                                 break;
1482                                                 }
1483                                         }
1484                                 }
1485                         }
1486                         else if(handler->ui_handle) {
1487                                 action |= wm_handler_ui_call(C, handler, event, always_pass);
1488                         }
1489                         else if(handler->type==WM_HANDLER_FILESELECT) {
1490                                 /* screen context changes here */
1491                                 action |= wm_handler_fileselect_call(C, handlers, handler, event);
1492                         }
1493                         else if(handler->dropboxes) {
1494                                 if(event->type==EVT_DROP) {
1495                                         wmDropBox *drop= handler->dropboxes->first;
1496                                         for(; drop; drop= drop->next) {
1497                                                 /* other drop custom types allowed */
1498                                                 if(event->custom==EVT_DATA_LISTBASE) {
1499                                                         ListBase *lb= (ListBase *)event->customdata;
1500                                                         wmDrag *drag;
1501                                                         
1502                                                         for(drag= lb->first; drag; drag= drag->next) {
1503                                                                 if(drop->poll(C, drag, event)) {
1504                                                                         
1505                                                                         drop->copy(drag, drop);
1506                                                                         
1507                                                                         /* free the drags before calling operator */
1508                                                                         BLI_freelistN(event->customdata);
1509                                                                         event->customdata= NULL;
1510                                                                         event->custom= 0;
1511                                                                         
1512                                                                         WM_operator_name_call(C, drop->ot->idname, drop->opcontext, drop->ptr);
1513                                                                         action |= WM_HANDLER_BREAK;
1514                                                                         
1515                                                                         /* XXX fileread case */
1516                                                                         if(CTX_wm_window(C)==NULL)
1517                                                                                 return action;
1518                                                                         
1519                                                                         /* escape from drag loop, got freed */
1520                                                                         break;
1521                                                                 }
1522                                                         }
1523                                                 }
1524                                         }
1525                                 }
1526                         }
1527                         else {
1528                                 /* modal, swallows all */
1529                                 action |= wm_handler_operator_call(C, handlers, handler, event, NULL);
1530                         }
1531
1532                         if(action & WM_HANDLER_BREAK) {
1533                                 if(always_pass)
1534                                         action &= ~WM_HANDLER_BREAK;
1535                                 else
1536                                         break;
1537                         }
1538                 }
1539                 
1540                 /* modal ui handler can be tagged to be freed */ 
1541                 /* XXX TODO - handler was free'd in wm_handler_ui_call 
1542                        and memory could be written to in BLI_remlink.
1543                            As temporary solution preventing this by
1544                            making sure handler is still in the list.
1545                 */   
1546                 
1547                 if(handler->flag & WM_HANDLER_DO_FREE) {
1548                         if (BLI_findindex(handlers, handler) >= 0) {
1549                                 BLI_remlink(handlers, handler);
1550                                 wm_event_free_handler(handler);
1551                         }
1552                 }
1553
1554                 /* XXX fileread case */
1555                 if(CTX_wm_window(C)==NULL)
1556                         return action;
1557         }
1558
1559         /* test for CLICK event */
1560         if (wm_action_not_handled(action) && event->val == KM_RELEASE) {
1561                 wmWindow *win = CTX_wm_window(C);
1562
1563                 if (win && win->eventstate->prevtype == event->type && win->eventstate->prevval == KM_PRESS) {
1564                         /* test for double click first,
1565                          * note1: this can be problematic because single click operators can get the
1566                          *   double click event but then with old mouse coords which is highly confusing,
1567                          *   so check for mouse moves too.
1568                          * note2: the first click event will be handled but still used to create a
1569                          *   double click event if clicking again quickly.
1570                          *   If no double click events are found itwill fallback to a single click.
1571                          *   So a double click event can result in 2 successive single click calls
1572                          *   if its not handled by the keymap - campbell */
1573                         if (    (ABS(event->x - win->eventstate->prevclickx)) <= 2 &&
1574                                         (ABS(event->y - win->eventstate->prevclicky)) <= 2 &&
1575                                         ((PIL_check_seconds_timer() - win->eventstate->prevclicktime) * 1000 < U.dbl_click_time)
1576                         ) {
1577                                 event->val = KM_DBL_CLICK;
1578                                 /* removed this because in cases where we're this is used as a single click
1579                                  * event, this will give old coords, since the distance is checked above, using new coords should be ok. */
1580                                 //   event->x = win->eventstate->prevclickx;
1581                                 //   event->y = win->eventstate->prevclicky;
1582                                 action |= wm_handlers_do(C, event, handlers);
1583                         }
1584
1585                         if (wm_action_not_handled(action)) {
1586                                 event->val = KM_CLICK;
1587                                 action |= wm_handlers_do(C, event, handlers);
1588                         }
1589
1590
1591                         /* revert value if not handled */
1592                         if (wm_action_not_handled(action)) {
1593                                 event->val = KM_RELEASE;
1594                         }
1595                 }
1596         }
1597         
1598         if(action == (WM_HANDLER_BREAK|WM_HANDLER_MODAL))
1599                 wm_cursor_arrow_move(CTX_wm_window(C), event);
1600
1601         return action;
1602 }
1603
1604 static int wm_event_inside_i(wmEvent *event, rcti *rect)
1605 {
1606         if(wm_event_always_pass(event))
1607                 return 1;
1608         if(BLI_in_rcti(rect, event->x, event->y))
1609            return 1;
1610         if(event->type==MOUSEMOVE) {
1611                 if( BLI_in_rcti(rect, event->prevx, event->prevy)) {
1612                         return 1;
1613                 }
1614                 return 0;
1615         }
1616         return 0;
1617 }
1618
1619 static ScrArea *area_event_inside(bContext *C, int x, int y)
1620 {
1621         bScreen *screen= CTX_wm_screen(C);
1622         ScrArea *sa;
1623         
1624         if(screen)
1625                 for(sa= screen->areabase.first; sa; sa= sa->next)
1626                         if(BLI_in_rcti(&sa->totrct, x, y))
1627                                 return sa;
1628         return NULL;
1629 }
1630
1631 static ARegion *region_event_inside(bContext *C, int x, int y)
1632 {
1633         bScreen *screen= CTX_wm_screen(C);
1634         ScrArea *area= CTX_wm_area(C);
1635         ARegion *ar;
1636         
1637         if(screen && area)
1638                 for(ar= area->regionbase.first; ar; ar= ar->next)
1639                         if(BLI_in_rcti(&ar->winrct, x, y))
1640                                 return ar;
1641         return NULL;
1642 }
1643
1644 static void wm_paintcursor_tag(bContext *C, wmPaintCursor *pc, ARegion *ar)
1645 {
1646         if(ar) {
1647                 for(; pc; pc= pc->next) {
1648                         if(pc->poll == NULL || pc->poll(C)) {
1649                                 wmWindow *win= CTX_wm_window(C);
1650                                 win->screen->do_draw_paintcursor= 1;
1651                                 wm_tag_redraw_overlay(win, ar);
1652                         }
1653                 }
1654         }
1655 }
1656
1657 /* called on mousemove, check updates for paintcursors */
1658 /* context was set on active area and region */
1659 static void wm_paintcursor_test(bContext *C, wmEvent *event)
1660 {
1661         wmWindowManager *wm= CTX_wm_manager(C);
1662         
1663         if(wm->paintcursors.first) {
1664                 ARegion *ar= CTX_wm_region(C);
1665                 
1666                 if(ar)
1667                         wm_paintcursor_tag(C, wm->paintcursors.first, ar);
1668                 
1669                 /* if previous position was not in current region, we have to set a temp new context */
1670                 if(ar==NULL || !BLI_in_rcti(&ar->winrct, event->prevx, event->prevy)) {
1671                         ScrArea *sa= CTX_wm_area(C);
1672                         
1673                         CTX_wm_area_set(C, area_event_inside(C, event->prevx, event->prevy));
1674                         CTX_wm_region_set(C, region_event_inside(C, event->prevx, event->prevy));
1675
1676                         wm_paintcursor_tag(C, wm->paintcursors.first, CTX_wm_region(C));
1677                         
1678                         CTX_wm_area_set(C, sa);
1679                         CTX_wm_region_set(C, ar);
1680                 }
1681         }
1682 }
1683
1684 static void wm_event_drag_test(wmWindowManager *wm, wmWindow *win, wmEvent *event)
1685 {
1686         if(wm->drags.first==NULL) return;
1687         
1688         if(event->type==MOUSEMOVE)
1689                 win->screen->do_draw_drag= 1;
1690         else if(event->type==ESCKEY) {
1691                 BLI_freelistN(&wm->drags);
1692                 win->screen->do_draw_drag= 1;
1693         }
1694         else if(event->type==LEFTMOUSE && event->val==KM_RELEASE) {
1695                 event->type= EVT_DROP;
1696                 
1697                 /* create customdata, first free existing */
1698                 if(event->customdata) {
1699                         if(event->customdatafree)
1700                                 MEM_freeN(event->customdata);
1701                 }
1702                 
1703                 event->custom= EVT_DATA_LISTBASE;
1704                 event->customdata= &wm->drags;
1705                 event->customdatafree= 1;
1706                 
1707                 /* clear drop icon */
1708                 win->screen->do_draw_drag= 1;
1709                 
1710                 /* restore cursor (disabled, see wm_dragdrop.c) */
1711                 // WM_cursor_restore(win);
1712         }
1713         
1714         /* overlap fails otherwise */
1715         if(win->screen->do_draw_drag)
1716                 if(win->drawmethod == USER_DRAW_OVERLAP)
1717                         win->screen->do_draw= 1;
1718         
1719 }
1720
1721 /* called in main loop */
1722 /* goes over entire hierarchy:  events -> window -> screen -> area -> region */
1723 void wm_event_do_handlers(bContext *C)
1724 {
1725         wmWindowManager *wm= CTX_wm_manager(C);
1726         wmWindow *win;
1727
1728         for(win= wm->windows.first; win; win= win->next) {
1729                 wmEvent *event;
1730                 
1731                 if( win->screen==NULL )
1732                         wm_event_free_all(win);
1733                 else {
1734                         Scene* scene = win->screen->scene;
1735                         
1736                         if(scene) {
1737                                 int playing = sound_scene_playing(win->screen->scene);
1738                                 
1739                                 if(playing != -1) {
1740                                         CTX_wm_window_set(C, win);
1741                                         CTX_wm_screen_set(C, win->screen);
1742                                         CTX_data_scene_set(C, scene);
1743                                         
1744                                         if(((playing == 1) && (!win->screen->animtimer)) || ((playing == 0) && (win->screen->animtimer))){
1745                                                 ED_screen_animation_play(C, -1, 1);
1746                                         }
1747                                         
1748                                         if(playing == 0) {
1749                                                 int ncfra = sound_sync_scene(scene) * (float)FPS + 0.5f;
1750                                                 if(ncfra != scene->r.cfra)      {
1751                                                         scene->r.cfra = ncfra;
1752                                                         ED_update_for_newframe(CTX_data_main(C), scene, win->screen, 1);
1753                                                         WM_event_add_notifier(C, NC_WINDOW, NULL);
1754                                                 }
1755                                         }
1756                                         
1757                                         CTX_data_scene_set(C, NULL);
1758                                         CTX_wm_screen_set(C, NULL);
1759                                         CTX_wm_window_set(C, NULL);
1760                                 }
1761                         }
1762                 }
1763                 
1764                 while( (event= win->queue.first) ) {
1765                         int action = WM_HANDLER_CONTINUE;
1766
1767                         if((G.f & G_DEBUG) && event && !ELEM(event->type, MOUSEMOVE, INBETWEEN_MOUSEMOVE))
1768                                 printf("pass on evt %d val %d\n", event->type, event->val); 
1769                         
1770                         wm_eventemulation(event);
1771
1772                         CTX_wm_window_set(C, win);
1773                         
1774                         /* we let modal handlers get active area/region, also wm_paintcursor_test needs it */
1775                         CTX_wm_area_set(C, area_event_inside(C, event->x, event->y));
1776                         CTX_wm_region_set(C, region_event_inside(C, event->x, event->y));
1777                         
1778                         /* MVC demands to not draw in event handlers... but we need to leave it for ogl selecting etc */
1779                         wm_window_make_drawable(C, win);
1780                         
1781                         /* first we do priority handlers, modal + some limited keymaps */
1782                         action |= wm_handlers_do(C, event, &win->modalhandlers);
1783                         
1784                         /* fileread case */
1785                         if(CTX_wm_window(C)==NULL)
1786                                 return;
1787                         
1788                         /* check dragging, creates new event or frees, adds draw tag */
1789                         wm_event_drag_test(wm, win, event);
1790                         
1791                         /* builtin tweak, if action is break it removes tweak */
1792                         wm_tweakevent_test(C, event, action);
1793
1794                         if((action & WM_HANDLER_BREAK) == 0) {
1795                                 ScrArea *sa;
1796                                 ARegion *ar;
1797                                 int doit= 0;
1798         
1799                                 /* Note: setting subwin active should be done here, after modal handlers have been done */
1800                                 if(event->type==MOUSEMOVE) {
1801                                         /* state variables in screen, cursors. Also used in wm_draw.c, fails for modal handlers though */
1802                                         ED_screen_set_subwinactive(C, event);   
1803                                         /* for regions having custom cursors */
1804                                         wm_paintcursor_test(C, event);
1805                                 }
1806                                 
1807                                 for(sa= win->screen->areabase.first; sa; sa= sa->next) {
1808                                         if(wm_event_inside_i(event, &sa->totrct)) {
1809                                                 CTX_wm_area_set(C, sa);
1810
1811                                                 if((action & WM_HANDLER_BREAK) == 0) {
1812                                                         for(ar=sa->regionbase.first; ar; ar= ar->next) {
1813                                                                 if(wm_event_inside_i(event, &ar->winrct)) {
1814                                                                         CTX_wm_region_set(C, ar);
1815                                                                         
1816                                                                         /* does polls for drop regions and checks uibuts */
1817                                                                         /* need to be here to make sure region context is true */
1818                                                                         if(ELEM(event->type, MOUSEMOVE, EVT_DROP)) {
1819                                                                                 wm_region_mouse_co(C, event);
1820                                                                                 wm_drags_check_ops(C, event);
1821                                                                         }
1822                                                                         
1823                                                                         action |= wm_handlers_do(C, event, &ar->handlers);
1824
1825                                                                         /* fileread case (python), [#29489] */
1826                                                                         if(CTX_wm_window(C)==NULL)
1827                                                                                 return;
1828
1829                                                                         doit |= (BLI_in_rcti(&ar->winrct, event->x, event->y));
1830                                                                         
1831                                                                         if(action & WM_HANDLER_BREAK)
1832                                                                                 break;
1833                                                                 }
1834                                                         }
1835                                                 }
1836
1837                                                 CTX_wm_region_set(C, NULL);
1838
1839                                                 if((action & WM_HANDLER_BREAK) == 0)
1840                                                         action |= wm_handlers_do(C, event, &sa->handlers);
1841
1842                                                 CTX_wm_area_set(C, NULL);
1843
1844                                                 /* NOTE: do not escape on WM_HANDLER_BREAK, mousemove needs handled for previous area */
1845                                         }
1846                                 }
1847                                 
1848                                 if((action & WM_HANDLER_BREAK) == 0) {
1849                                         /* also some non-modal handlers need active area/region */
1850                                         CTX_wm_area_set(C, area_event_inside(C, event->x, event->y));
1851                                         CTX_wm_region_set(C, region_event_inside(C, event->x, event->y));
1852
1853                                         action |= wm_handlers_do(C, event, &win->handlers);
1854
1855                                         /* fileread case */
1856                                         if(CTX_wm_window(C)==NULL)
1857                                                 return;
1858                                 }
1859
1860                                 /* XXX hrmf, this gives reliable previous mouse coord for area change, feels bad? 
1861                                    doing it on ghost queue gives errors when mousemoves go over area borders */
1862                                 if(doit && win->screen && win->screen->subwinactive != win->screen->mainwin) {
1863                                         win->eventstate->prevx= event->x;
1864                                         win->eventstate->prevy= event->y;
1865                                 }
1866                         }
1867                         
1868                         /* store last event for this window */
1869                         /* mousemove and timer events don't overwrite last type */
1870                         if (event->type != MOUSEMOVE && !ISTIMER(event->type)) {
1871                                 if (wm_action_not_handled(action)) {
1872                                         if (win->eventstate->prevtype == event->type) {
1873                                                 /* set click time on first click (press -> release) */
1874                                                 if (win->eventstate->prevval == KM_PRESS && event->val == KM_RELEASE) {
1875                                                         win->eventstate->prevclicktime = PIL_check_seconds_timer();
1876                                                         win->eventstate->prevclickx = event->x;
1877                                                         win->eventstate->prevclicky = event->y;
1878                                                 }
1879                                         } else {
1880                                                 /* reset click time if event type not the same */
1881                                                 win->eventstate->prevclicktime = 0;
1882                                         }
1883
1884                                         win->eventstate->prevval = event->val;
1885                                         win->eventstate->prevtype = event->type;
1886                                 } else if (event->val == KM_CLICK) { /* keep click for double click later */
1887                                         win->eventstate->prevtype = event->type;
1888                                         win->eventstate->prevval = event->val;
1889                                         win->eventstate->prevclicktime = PIL_check_seconds_timer();
1890                                         win->eventstate->prevclickx = event->x;
1891                                         win->eventstate->prevclicky = event->y;
1892                                 } else { /* reset if not */
1893                                         win->eventstate->prevtype = -1;
1894                                         win->eventstate->prevval = 0;
1895                                         win->eventstate->prevclicktime = 0;
1896                                 }
1897                         }
1898
1899                         /* unlink and free here, blender-quit then frees all */
1900                         BLI_remlink(&win->queue, event);
1901                         wm_event_free(event);
1902                         
1903                 }
1904                 
1905                 /* only add mousemove when queue was read entirely */
1906                 if(win->addmousemove && win->eventstate) {
1907                         wmEvent tevent= *(win->eventstate);
1908                         tevent.type= MOUSEMOVE;
1909                         tevent.prevx= tevent.x;
1910                         tevent.prevy= tevent.y;
1911                         wm_event_add(win, &tevent);
1912                         win->addmousemove= 0;
1913                 }
1914                 
1915                 CTX_wm_window_set(C, NULL);
1916         }
1917 }
1918
1919 /* ********** filesector handling ************ */
1920
1921 void WM_event_fileselect_event(bContext *C, void *ophandle, int eventval)
1922 {
1923         /* add to all windows! */
1924         wmWindow *win;
1925         
1926         for(win= CTX_wm_manager(C)->windows.first; win; win= win->next) {
1927                 wmEvent event= *win->eventstate;
1928                 
1929                 event.type= EVT_FILESELECT;
1930                 event.val= eventval;
1931                 event.customdata= ophandle;             // only as void pointer type check
1932
1933                 wm_event_add(win, &event);
1934         }
1935 }
1936
1937 /* operator is supposed to have a filled "path" property */
1938 /* optional property: filetype (XXX enum?) */
1939
1940 /* Idea is to keep a handler alive on window queue, owning the operator.
1941    The filewindow can send event to make it execute, thus ensuring
1942    executing happens outside of lower level queues, with UI refreshed. 
1943    Should also allow multiwin solutions */
1944
1945 void WM_event_add_fileselect(bContext *C, wmOperator *op)
1946 {
1947         wmEventHandler *handler, *handlernext;
1948         wmWindow *win= CTX_wm_window(C);
1949         int full= 1;    // XXX preset?
1950
1951         /* only allow 1 file selector open per window */
1952         for(handler= win->modalhandlers.first; handler; handler=handlernext) {
1953                 handlernext= handler->next;
1954                 
1955                 if(handler->type == WM_HANDLER_FILESELECT) {
1956                         if(handler->op)
1957                                 WM_operator_free(handler->op);
1958                         BLI_remlink(&win->modalhandlers, handler);
1959                         wm_event_free_handler(handler);
1960                 }
1961         }
1962         
1963         handler = MEM_callocN(sizeof(wmEventHandler), "fileselect handler");
1964         
1965         handler->type= WM_HANDLER_FILESELECT;
1966         handler->op= op;
1967         handler->op_area= CTX_wm_area(C);
1968         handler->op_region= CTX_wm_region(C);
1969         handler->filescreen= CTX_wm_screen(C);
1970         
1971         BLI_addhead(&win->modalhandlers, handler);
1972         
1973         /* check props once before invoking if check is available
1974          * ensures initial properties are valid */
1975         if(op->type->check) {
1976                 op->type->check(C, op); /* ignore return value */
1977         }
1978
1979         WM_event_fileselect_event(C, op, full?EVT_FILESELECT_FULL_OPEN:EVT_FILESELECT_OPEN);
1980 }
1981
1982 #if 0
1983 /* lets not expose struct outside wm? */
1984 static void WM_event_set_handler_flag(wmEventHandler *handler, int flag)
1985 {
1986         handler->flag= flag;
1987 }
1988 #endif
1989
1990 wmEventHandler *WM_event_add_modal_handler(bContext *C, wmOperator *op)
1991 {
1992         wmEventHandler *handler= MEM_callocN(sizeof(wmEventHandler), "event modal handler");
1993         wmWindow *win= CTX_wm_window(C);
1994         
1995         /* operator was part of macro */
1996         if(op->opm) {
1997                 /* give the mother macro to the handler */
1998                 handler->op= op->opm;
1999                 /* mother macro opm becomes the macro element */
2000                 handler->op->opm= op;
2001         }
2002         else
2003                 handler->op= op;
2004         
2005         handler->op_area= CTX_wm_area(C);               /* means frozen screen context for modal handlers! */
2006         handler->op_region= CTX_wm_region(C);
2007         
2008         BLI_addhead(&win->modalhandlers, handler);
2009
2010         return handler;
2011 }
2012
2013 wmEventHandler *WM_event_add_keymap_handler(ListBase *handlers, wmKeyMap *keymap)
2014 {
2015         wmEventHandler *handler;
2016
2017         if(!keymap) {
2018                 printf("WM_event_add_keymap_handler called with NULL keymap\n");
2019                 return NULL;
2020         }
2021
2022         /* only allow same keymap once */
2023         for(handler= handlers->first; handler; handler= handler->next)
2024                 if(handler->keymap==keymap)
2025                         return handler;
2026         
2027         handler= MEM_callocN(sizeof(wmEventHandler), "event keymap handler");
2028         BLI_addtail(handlers, handler);
2029         handler->keymap= keymap;
2030
2031         return handler;
2032 }
2033
2034 /* priorities not implemented yet, for time being just insert in begin of list */
2035 wmEventHandler *WM_event_add_keymap_handler_priority(ListBase *handlers, wmKeyMap *keymap, int UNUSED(priority))
2036 {
2037         wmEventHandler *handler;
2038         
2039         WM_event_remove_keymap_handler(handlers, keymap);
2040         
2041         handler= MEM_callocN(sizeof(wmEventHandler), "event keymap handler");
2042         BLI_addhead(handlers, handler);
2043         handler->keymap= keymap;
2044         
2045         return handler;
2046 }
2047
2048 wmEventHandler *WM_event_add_keymap_handler_bb(ListBase *handlers, wmKeyMap *keymap, rcti *bblocal, rcti *bbwin)
2049 {
2050         wmEventHandler *handler= WM_event_add_keymap_handler(handlers, keymap);
2051         
2052         if(handler) {
2053                 handler->bblocal= bblocal;
2054                 handler->bbwin= bbwin;
2055         }
2056         return handler;
2057 }
2058
2059 void WM_event_remove_keymap_handler(ListBase *handlers, wmKeyMap *keymap)
2060 {
2061         wmEventHandler *handler;
2062         
2063         for(handler= handlers->first; handler; handler= handler->next) {
2064                 if(handler->keymap==keymap) {
2065                         BLI_remlink(handlers, handler);
2066                         wm_event_free_handler(handler);
2067                         break;
2068                 }
2069         }
2070 }
2071
2072 wmEventHandler *WM_event_add_ui_handler(const bContext *C, ListBase *handlers, wmUIHandlerFunc func, wmUIHandlerRemoveFunc remove, void *userdata)
2073 {
2074         wmEventHandler *handler= MEM_callocN(sizeof(wmEventHandler), "event ui handler");
2075         handler->ui_handle= func;
2076         handler->ui_remove= remove;
2077         handler->ui_userdata= userdata;
2078         handler->ui_area= (C)? CTX_wm_area(C): NULL;
2079         handler->ui_region= (C)? CTX_wm_region(C): NULL;
2080         handler->ui_menu= (C)? CTX_wm_menu(C): NULL;
2081         
2082         BLI_addhead(handlers, handler);
2083         
2084         return handler;
2085 }
2086
2087 /* set "postpone" for win->modalhandlers, this is in a running for() loop in wm_handlers_do() */
2088 void WM_event_remove_ui_handler(ListBase *handlers, wmUIHandlerFunc func, wmUIHandlerRemoveFunc remove, void *userdata, int postpone)
2089 {
2090         wmEventHandler *handler;
2091         
2092         for(handler= handlers->first; handler; handler= handler->next) {
2093                 if(handler->ui_handle == func && handler->ui_remove == remove && handler->ui_userdata == userdata) {
2094                         /* handlers will be freed in wm_handlers_do() */
2095                         if(postpone) {
2096                                 handler->flag |= WM_HANDLER_DO_FREE;
2097                         }
2098                         else {
2099                                 BLI_remlink(handlers, handler);
2100                                 wm_event_free_handler(handler);
2101                         }
2102                         break;
2103                 }
2104         }
2105 }
2106
2107 wmEventHandler *WM_event_add_dropbox_handler(ListBase *handlers, ListBase *dropboxes)
2108 {
2109         wmEventHandler *handler;
2110
2111         /* only allow same dropbox once */
2112         for(handler= handlers->first; handler; handler= handler->next)
2113                 if(handler->dropboxes==dropboxes)
2114                         return handler;
2115         
2116         handler= MEM_callocN(sizeof(wmEventHandler), "dropbox handler");
2117         
2118         /* dropbox stored static, no free or copy */
2119         handler->dropboxes= dropboxes;
2120         BLI_addhead(handlers, handler);
2121         
2122         return handler;
2123 }
2124
2125 /* XXX solution works, still better check the real cause (ton) */
2126 void WM_event_remove_area_handler(ListBase *handlers, void *area)
2127 {
2128         wmEventHandler *handler, *nexthandler;
2129
2130         for(handler = handlers->first; handler; handler= nexthandler) {
2131                 nexthandler = handler->next;
2132                 if (handler->type != WM_HANDLER_FILESELECT) {
2133                         if (handler->ui_area == area) {
2134                                 BLI_remlink(handlers, handler);
2135                                 wm_event_free_handler(handler);
2136                         }
2137                 }
2138         }
2139 }
2140
2141 #if 0
2142 static void WM_event_remove_handler(ListBase *handlers, wmEventHandler *handler)
2143 {
2144         BLI_remlink(handlers, handler);
2145         wm_event_free_handler(handler);
2146 }
2147 #endif
2148
2149 void WM_event_add_mousemove(bContext *C)
2150 {
2151         wmWindow *window= CTX_wm_window(C);
2152         
2153         window->addmousemove= 1;
2154 }
2155
2156 /* for modal callbacks, check configuration for how to interpret exit with tweaks  */
2157 int WM_modal_tweak_exit(wmEvent *evt, int tweak_event)
2158 {
2159         /* if the release-confirm userpref setting is enabled, 
2160          * tweak events can be cancelled when mouse is released
2161          */
2162         if (U.flag & USER_RELEASECONFIRM) {
2163                 /* option on, so can exit with km-release */
2164                 if (evt->val == KM_RELEASE) {
2165                         switch (tweak_event) {
2166                                 case EVT_TWEAK_L:
2167                                 case EVT_TWEAK_M:
2168                                 case EVT_TWEAK_R:
2169                                         return 1;
2170                         }
2171                 }
2172                 else {
2173                         /* if the initial event wasn't a tweak event then
2174                          * ignore USER_RELEASECONFIRM setting: see [#26756] */
2175                         if(ELEM3(tweak_event, EVT_TWEAK_L, EVT_TWEAK_M, EVT_TWEAK_R) == 0) {
2176                                 return 1;
2177                         }
2178                 }
2179         }
2180         else {
2181                 /* this is fine as long as not doing km-release, otherwise
2182                  * some items (i.e. markers) being tweaked may end up getting
2183                  * dropped all over
2184                  */
2185                 if (evt->val != KM_RELEASE)
2186                         return 1;
2187         }
2188         
2189         return 0;
2190 }
2191
2192 /* ********************* ghost stuff *************** */
2193
2194 static int convert_key(GHOST_TKey key) 
2195 {
2196         if (key>=GHOST_kKeyA && key<=GHOST_kKeyZ) {
2197                 return (AKEY + ((int) key - GHOST_kKeyA));
2198         } else if (key>=GHOST_kKey0 && key<=GHOST_kKey9) {
2199                 return (ZEROKEY + ((int) key - GHOST_kKey0));
2200         } else if (key>=GHOST_kKeyNumpad0 && key<=GHOST_kKeyNumpad9) {
2201                 return (PAD0 + ((int) key - GHOST_kKeyNumpad0));
2202         } else if (key>=GHOST_kKeyF1 && key<=GHOST_kKeyF19) {
2203                 return (F1KEY + ((int) key - GHOST_kKeyF1));
2204         } else {
2205                 switch (key) {
2206                         case GHOST_kKeyBackSpace:               return BACKSPACEKEY;
2207                         case GHOST_kKeyTab:                             return TABKEY;
2208                         case GHOST_kKeyLinefeed:                return LINEFEEDKEY;
2209                         case GHOST_kKeyClear:                   return 0;
2210                         case GHOST_kKeyEnter:                   return RETKEY;
2211                                 
2212                         case GHOST_kKeyEsc:                             return ESCKEY;
2213                         case GHOST_kKeySpace:                   return SPACEKEY;
2214                         case GHOST_kKeyQuote:                   return QUOTEKEY;
2215                         case GHOST_kKeyComma:                   return COMMAKEY;
2216                         case GHOST_kKeyMinus:                   return MINUSKEY;
2217                         case GHOST_kKeyPeriod:                  return PERIODKEY;
2218                         case GHOST_kKeySlash:                   return SLASHKEY;
2219                                 
2220                         case GHOST_kKeySemicolon:               return SEMICOLONKEY;
2221                         case GHOST_kKeyEqual:                   return EQUALKEY;
2222                                 
2223                         case GHOST_kKeyLeftBracket:             return LEFTBRACKETKEY;
2224                         case GHOST_kKeyRightBracket:    return RIGHTBRACKETKEY;
2225                         case GHOST_kKeyBackslash:               return BACKSLASHKEY;
2226                         case GHOST_kKeyAccentGrave:             return ACCENTGRAVEKEY;
2227                                 
2228                         case GHOST_kKeyLeftShift:               return LEFTSHIFTKEY;
2229                         case GHOST_kKeyRightShift:              return RIGHTSHIFTKEY;
2230                         case GHOST_kKeyLeftControl:             return LEFTCTRLKEY;
2231                         case GHOST_kKeyRightControl:    return RIGHTCTRLKEY;
2232                         case GHOST_kKeyOS:                              return OSKEY;
2233                         case GHOST_kKeyLeftAlt:                 return LEFTALTKEY;
2234                         case GHOST_kKeyRightAlt:                return RIGHTALTKEY;
2235                                 
2236                         case GHOST_kKeyCapsLock:                return CAPSLOCKKEY;
2237                         case GHOST_kKeyNumLock:                 return 0;
2238                         case GHOST_kKeyScrollLock:              return 0;
2239                                 
2240                         case GHOST_kKeyLeftArrow:               return LEFTARROWKEY;
2241                         case GHOST_kKeyRightArrow:              return RIGHTARROWKEY;
2242                         case GHOST_kKeyUpArrow:                 return UPARROWKEY;
2243                         case GHOST_kKeyDownArrow:               return DOWNARROWKEY;
2244                                 
2245                         case GHOST_kKeyPrintScreen:             return 0;
2246                         case GHOST_kKeyPause:                   return PAUSEKEY;
2247                                 
2248                         case GHOST_kKeyInsert:                  return INSERTKEY;
2249                         case GHOST_kKeyDelete:                  return DELKEY;
2250                         case GHOST_kKeyHome:                    return HOMEKEY;
2251                         case GHOST_kKeyEnd:                             return ENDKEY;
2252                         case GHOST_kKeyUpPage:                  return PAGEUPKEY;
2253                         case GHOST_kKeyDownPage:                return PAGEDOWNKEY;
2254                                 
2255                         case GHOST_kKeyNumpadPeriod:    return PADPERIOD;
2256                         case GHOST_kKeyNumpadEnter:             return PADENTER;
2257                         case GHOST_kKeyNumpadPlus:              return PADPLUSKEY;
2258                         case GHOST_kKeyNumpadMinus:             return PADMINUS;
2259                         case GHOST_kKeyNumpadAsterisk:  return PADASTERKEY;
2260                         case GHOST_kKeyNumpadSlash:             return PADSLASHKEY;
2261                                 
2262                         case GHOST_kKeyGrLess:              return GRLESSKEY; 
2263                         
2264                         case GHOST_kKeyMediaPlay:               return MEDIAPLAY;
2265                         case GHOST_kKeyMediaStop:               return MEDIASTOP;
2266                         case GHOST_kKeyMediaFirst:              return MEDIAFIRST;
2267                         case GHOST_kKeyMediaLast:               return MEDIALAST;
2268                         
2269                         default:
2270                                 return UNKNOWNKEY;      /* GHOST_kKeyUnknown */
2271                 }
2272         }
2273 }
2274
2275 /* adds customdata to event */
2276 static void update_tablet_data(wmWindow *win, wmEvent *event)
2277 {
2278         const GHOST_TabletData *td= GHOST_GetTabletData(win->ghostwin);
2279         
2280         /* if there's tablet data from an active tablet device then add it */
2281         if ((td != NULL) && td->Active != GHOST_kTabletModeNone) {
2282                 struct wmTabletData *wmtab= MEM_mallocN(sizeof(wmTabletData), "customdata tablet");
2283                 
2284                 wmtab->Active = (int)td->Active;
2285                 wmtab->Pressure = td->Pressure;
2286                 wmtab->Xtilt = td->Xtilt;
2287                 wmtab->Ytilt = td->Ytilt;
2288                 
2289                 event->custom= EVT_DATA_TABLET;
2290                 event->customdata= wmtab;
2291                 event->customdatafree= 1;
2292         } 
2293 }
2294
2295 /* imperfect but probably usable... draw/enable drags to other windows */
2296 static wmWindow *wm_event_cursor_other_windows(wmWindowManager *wm, wmWindow *win, wmEvent *evt)
2297 {
2298         short mx= evt->x, my= evt->y;
2299         
2300         if(wm->windows.first== wm->windows.last)
2301                 return NULL;
2302         
2303         /* top window bar... */
2304         if(mx<0 || my<0 || mx>win->sizex || my>win->sizey+30) { 
2305                 wmWindow *owin;
2306                 wmEventHandler *handler;
2307                 
2308                 /* let's skip windows having modal handlers now */
2309                 /* potential XXX ugly... I wouldn't have added a modalhandlers list (introduced in rev 23331, ton) */
2310                 for(handler= win->modalhandlers.first; handler; handler= handler->next)
2311                         if(handler->ui_handle || handler->op)
2312                                 return NULL;
2313                 
2314                 /* to desktop space */
2315                 mx+= win->posx;
2316                 my+= win->posy;
2317                 
2318                 /* check other windows to see if it has mouse inside */
2319                 for(owin= wm->windows.first; owin; owin= owin->next) {
2320                         
2321                         if(owin!=win) {
2322                                 if(mx-owin->posx >= 0 && my-owin->posy >= 0 &&
2323                                    mx-owin->posx <= owin->sizex && my-owin->posy <= owin->sizey) {
2324                                         evt->x= mx-owin->posx;
2325                                         evt->y= my-owin->posy;
2326                                         
2327                                         return owin;
2328                                 }
2329                         }
2330                 }
2331         }
2332         return NULL;
2333 }
2334
2335 /* windows store own event queues, no bContext here */
2336 /* time is in 1000s of seconds, from ghost */
2337 void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int UNUSED(time), void *customdata)
2338 {
2339         wmWindow *owin;
2340         wmEvent event, *evt= win->eventstate;
2341         
2342         /* initialize and copy state (only mouse x y and modifiers) */
2343         event= *evt;
2344         
2345         switch (type) {
2346                 /* mouse move */
2347                 case GHOST_kEventCursorMove: {
2348                         if(win->active) {
2349                                 GHOST_TEventCursorData *cd= customdata;
2350                                 wmEvent *lastevent= win->queue.last;
2351                                 
2352 #if defined(__APPLE__) && defined(GHOST_COCOA)
2353                                 //Cocoa already uses coordinates with y=0 at bottom, and returns inwindow coordinates on mouse moved event
2354                                 evt->x= cd->x;
2355                                 evt->y= cd->y;
2356 #else
2357                                 int cx, cy;
2358                                 
2359                                 GHOST_ScreenToClient(win->ghostwin, cd->x, cd->y, &cx, &cy);
2360                                 evt->x= cx;
2361                                 evt->y= (win->sizey-1) - cy;
2362 #endif
2363                                 
2364                                 event.x= evt->x;
2365                                 event.y= evt->y;
2366
2367                                 event.type= MOUSEMOVE;
2368
2369                                 /* some painting operators want accurate mouse events, they can
2370                                    handle in between mouse move moves, others can happily ignore
2371                                    them for better performance */
2372                                 if(lastevent && lastevent->type == MOUSEMOVE)
2373                                         lastevent->type = INBETWEEN_MOUSEMOVE;
2374
2375                                 update_tablet_data(win, &event);
2376                                 wm_event_add(win, &event);
2377                                 
2378                                 /* also add to other window if event is there, this makes overdraws disappear nicely */
2379                                 /* it remaps mousecoord to other window in event */
2380                                 owin= wm_event_cursor_other_windows(wm, win, &event);
2381                                 if(owin) {
2382                                         wmEvent oevent= *(owin->eventstate);
2383                                         
2384                                         oevent.x=owin->eventstate->x= event.x;
2385                                         oevent.y=owin->eventstate->y= event.y;
2386                                         oevent.type= MOUSEMOVE;
2387                                         
2388                                         update_tablet_data(owin, &oevent);
2389                                         wm_event_add(owin, &oevent);
2390                                 }
2391                                 
2392                         }
2393                         break;
2394                 }
2395                 case GHOST_kEventTrackpad: {
2396                         GHOST_TEventTrackpadData * pd = customdata;
2397                         switch (pd->subtype) {
2398                                 case GHOST_kTrackpadEventMagnify:
2399                                         event.type = MOUSEZOOM;
2400                                         break;
2401                                 case GHOST_kTrackpadEventRotate:
2402                                         event.type = MOUSEROTATE;
2403                                         break;
2404                                 case GHOST_kTrackpadEventScroll:
2405                                 default:
2406                                         event.type= MOUSEPAN;
2407                                         break;
2408                         }
2409 #if defined(__APPLE__) && defined(GHOST_COCOA)
2410                         //Cocoa already uses coordinates with y=0 at bottom, and returns inwindow coordinates on mouse moved event
2411                         event.x= evt->x = pd->x;
2412                         event.y = evt->y = pd->y;
2413 #else
2414                         {
2415                         int cx, cy;
2416                         GHOST_ScreenToClient(win->ghostwin, pd->x, pd->y, &cx, &cy);
2417                         event.x= evt->x= cx;
2418                         event.y= evt->y= (win->sizey-1) - cy;
2419                         }
2420 #endif
2421                         // Use prevx/prevy so we can calculate the delta later
2422                         event.prevx= event.x - pd->deltaX;
2423                         event.prevy= event.y - pd->deltaY;
2424                         
2425                         update_tablet_data(win, &event);
2426                         wm_event_add(win, &event);
2427                         break;
2428                 }
2429                 /* mouse button */
2430                 case GHOST_kEventButtonDown:
2431                 case GHOST_kEventButtonUp: {
2432                         GHOST_TEventButtonData *bd= customdata;
2433                         event.val= (type==GHOST_kEventButtonDown) ? KM_PRESS:KM_RELEASE; /* Note!, this starts as 0/1 but later is converted to KM_PRESS/KM_RELEASE by tweak */
2434                         
2435                         if (bd->button == GHOST_kButtonMaskLeft)
2436                                 event.type= LEFTMOUSE;
2437                         else if (bd->button == GHOST_kButtonMaskRight)
2438                                 event.type= RIGHTMOUSE;
2439                         else if (bd->button == GHOST_kButtonMaskButton4)
2440                                 event.type= BUTTON4MOUSE;
2441                         else if (bd->button == GHOST_kButtonMaskButton5)
2442                                 event.type= BUTTON5MOUSE;
2443                         else
2444                                 event.type= MIDDLEMOUSE;
2445                         
2446                         /* add to other window if event is there (not to both!) */
2447                         owin= wm_event_cursor_other_windows(wm, win, &event);
2448                         if(owin) {
2449                                 wmEvent oevent= *(owin->eventstate);
2450                                 
2451                                 oevent.x= event.x;
2452                                 oevent.y= event.y;
2453                                 oevent.type= event.type;
2454                                 oevent.val= event.val;
2455                                 
2456                                 update_tablet_data(owin, &oevent);
2457                                 wm_event_add(owin, &oevent);
2458                         }
2459                         else {
2460                                 update_tablet_data(win, &event);
2461                                 wm_event_add(win, &event);
2462                         }
2463                         
2464                         break;
2465                 }
2466                 /* keyboard */
2467                 case GHOST_kEventKeyDown:
2468                 case GHOST_kEventKeyUp: {
2469                         GHOST_TEventKeyData *kd= customdata;
2470                         event.type= convert_key(kd->key);
2471                         event.ascii= kd->ascii;
2472                         event.val= (type==GHOST_kEventKeyDown)?KM_PRESS:KM_RELEASE;
2473                         
2474                         /* exclude arrow keys, esc, etc from text input */
2475                         if(type==GHOST_kEventKeyUp || (event.ascii<32 && event.ascii>0))
2476                                 event.ascii= '\0';
2477                         
2478                         /* modifiers */
2479                         if (event.type==LEFTSHIFTKEY || event.type==RIGHTSHIFTKEY) {
2480                                 event.shift= evt->shift= (event.val==KM_PRESS);
2481                                 if(event.val==KM_PRESS && (evt->ctrl || evt->alt || evt->oskey))
2482                                    event.shift= evt->shift = 3;         // define?
2483                         } 
2484                         else if (event.type==LEFTCTRLKEY || event.type==RIGHTCTRLKEY) {
2485                                 event.ctrl= evt->ctrl= (event.val==KM_PRESS);
2486                                 if(event.val==KM_PRESS && (evt->shift || evt->alt || evt->oskey))
2487                                    event.ctrl= evt->ctrl = 3;           // define?
2488                         } 
2489                         else if (event.type==LEFTALTKEY || event.type==RIGHTALTKEY) {
2490                                 event.alt= evt->alt= (event.val==KM_PRESS);
2491                                 if(event.val==KM_PRESS && (evt->ctrl || evt->shift || evt->oskey))
2492                                    event.alt= evt->alt = 3;             // define?
2493                         } 
2494                         else if (event.type==OSKEY) {
2495                                 event.oskey= evt->oskey= (event.val==KM_PRESS);
2496                                 if(event.val==KM_PRESS && (evt->ctrl || evt->alt || evt->shift))
2497                                    event.oskey= evt->oskey = 3;         // define?
2498                         }
2499                         else {
2500                                 if(event.val==KM_PRESS && event.keymodifier==0)
2501                                         evt->keymodifier= event.type; /* only set in eventstate, for next event */
2502                                 else if(event.val==KM_RELEASE && event.keymodifier==event.type)
2503                                         event.keymodifier= evt->keymodifier= 0;
2504                         }
2505
2506                         /* this case happens on some systems that on holding a key pressed,
2507                            generate press events without release, we still want to keep the
2508                            modifier in win->eventstate, but for the press event of the same
2509                            key we don't want the key modifier */
2510                         if(event.keymodifier == event.type)
2511                                 event.keymodifier= 0;
2512                         
2513                         /* if test_break set, it catches this. XXX Keep global for now? */
2514                         if(event.type==ESCKEY)
2515                                 G.afbreek= 1;
2516                         
2517                         wm_event_add(win, &event);
2518                         
2519                         break;
2520                 }
2521                         
2522                 case GHOST_kEventWheel: {
2523                         GHOST_TEventWheelData* wheelData = customdata;
2524                         
2525                         if (wheelData->z > 0)
2526                                 event.type= WHEELUPMOUSE;
2527                         else
2528                                 event.type= WHEELDOWNMOUSE;
2529                         
2530                         event.val= KM_PRESS;
2531                         wm_event_add(win, &event);
2532                         
2533                         break;
2534                 }
2535                 case GHOST_kEventTimer: {
2536                         event.type= TIMER;
2537                         event.custom= EVT_DATA_TIMER;
2538                         event.customdata= customdata;
2539                         wm_event_add(win, &event);
2540
2541                         break;
2542                 }
2543
2544                 case GHOST_kEventUnknown:
2545                 case GHOST_kNumEventTypes:
2546                         break;
2547
2548                 case GHOST_kEventWindowDeactivate: {
2549                         event.type= WINDEACTIVATE;
2550                         wm_event_add(win, &event);
2551
2552                         break;
2553                         
2554                 }
2555
2556         }
2557 }