c9e2567a45b372f835cd8ac9f2faa0436ac5e417
[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                 if(handler->flag & WM_HANDLER_DO_FREE) {
1542                         BLI_remlink(handlers, handler);
1543                         wm_event_free_handler(handler);
1544                 }
1545
1546                 
1547                 /* XXX fileread case */
1548                 if(CTX_wm_window(C)==NULL)
1549                         return action;
1550         }
1551
1552         /* test for CLICK event */
1553         if (wm_action_not_handled(action) && event->val == KM_RELEASE) {
1554                 wmWindow *win = CTX_wm_window(C);
1555
1556                 if (win && win->eventstate->prevtype == event->type && win->eventstate->prevval == KM_PRESS) {
1557                         /* test for double click first,
1558                          * note1: this can be problematic because single click operators can get the
1559                          *   double click event but then with old mouse coords which is highly confusing,
1560                          *   so check for mouse moves too.
1561                          * note2: the first click event will be handled but still used to create a
1562                          *   double click event if clicking again quickly.
1563                          *   If no double click events are found itwill fallback to a single click.
1564                          *   So a double click event can result in 2 successive single click calls
1565                          *   if its not handled by the keymap - campbell */
1566                         if (    (ABS(event->x - win->eventstate->prevclickx)) <= 2 &&
1567                                         (ABS(event->y - win->eventstate->prevclicky)) <= 2 &&
1568                                         ((PIL_check_seconds_timer() - win->eventstate->prevclicktime) * 1000 < U.dbl_click_time)
1569                         ) {
1570                                 event->val = KM_DBL_CLICK;
1571                                 /* removed this because in cases where we're this is used as a single click
1572                                  * event, this will give old coords, since the distance is checked above, using new coords should be ok. */
1573                                 //   event->x = win->eventstate->prevclickx;
1574                                 //   event->y = win->eventstate->prevclicky;
1575                                 action |= wm_handlers_do(C, event, handlers);
1576                         }
1577
1578                         if (wm_action_not_handled(action)) {
1579                                 event->val = KM_CLICK;
1580                                 action |= wm_handlers_do(C, event, handlers);
1581                         }
1582
1583
1584                         /* revert value if not handled */
1585                         if (wm_action_not_handled(action)) {
1586                                 event->val = KM_RELEASE;
1587                         }
1588                 }
1589         }
1590         
1591         if(action == (WM_HANDLER_BREAK|WM_HANDLER_MODAL))
1592                 wm_cursor_arrow_move(CTX_wm_window(C), event);
1593
1594         return action;
1595 }
1596
1597 static int wm_event_inside_i(wmEvent *event, rcti *rect)
1598 {
1599         if(wm_event_always_pass(event))
1600                 return 1;
1601         if(BLI_in_rcti(rect, event->x, event->y))
1602            return 1;
1603         if(event->type==MOUSEMOVE) {
1604                 if( BLI_in_rcti(rect, event->prevx, event->prevy)) {
1605                         return 1;
1606                 }
1607                 return 0;
1608         }
1609         return 0;
1610 }
1611
1612 static ScrArea *area_event_inside(bContext *C, int x, int y)
1613 {
1614         bScreen *screen= CTX_wm_screen(C);
1615         ScrArea *sa;
1616         
1617         if(screen)
1618                 for(sa= screen->areabase.first; sa; sa= sa->next)
1619                         if(BLI_in_rcti(&sa->totrct, x, y))
1620                                 return sa;
1621         return NULL;
1622 }
1623
1624 static ARegion *region_event_inside(bContext *C, int x, int y)
1625 {
1626         bScreen *screen= CTX_wm_screen(C);
1627         ScrArea *area= CTX_wm_area(C);
1628         ARegion *ar;
1629         
1630         if(screen && area)
1631                 for(ar= area->regionbase.first; ar; ar= ar->next)
1632                         if(BLI_in_rcti(&ar->winrct, x, y))
1633                                 return ar;
1634         return NULL;
1635 }
1636
1637 static void wm_paintcursor_tag(bContext *C, wmPaintCursor *pc, ARegion *ar)
1638 {
1639         if(ar) {
1640                 for(; pc; pc= pc->next) {
1641                         if(pc->poll == NULL || pc->poll(C)) {
1642                                 wmWindow *win= CTX_wm_window(C);
1643                                 win->screen->do_draw_paintcursor= 1;
1644                                 wm_tag_redraw_overlay(win, ar);
1645                         }
1646                 }
1647         }
1648 }
1649
1650 /* called on mousemove, check updates for paintcursors */
1651 /* context was set on active area and region */
1652 static void wm_paintcursor_test(bContext *C, wmEvent *event)
1653 {
1654         wmWindowManager *wm= CTX_wm_manager(C);
1655         
1656         if(wm->paintcursors.first) {
1657                 ARegion *ar= CTX_wm_region(C);
1658                 
1659                 if(ar)
1660                         wm_paintcursor_tag(C, wm->paintcursors.first, ar);
1661                 
1662                 /* if previous position was not in current region, we have to set a temp new context */
1663                 if(ar==NULL || !BLI_in_rcti(&ar->winrct, event->prevx, event->prevy)) {
1664                         ScrArea *sa= CTX_wm_area(C);
1665                         
1666                         CTX_wm_area_set(C, area_event_inside(C, event->prevx, event->prevy));
1667                         CTX_wm_region_set(C, region_event_inside(C, event->prevx, event->prevy));
1668
1669                         wm_paintcursor_tag(C, wm->paintcursors.first, CTX_wm_region(C));
1670                         
1671                         CTX_wm_area_set(C, sa);
1672                         CTX_wm_region_set(C, ar);
1673                 }
1674         }
1675 }
1676
1677 static void wm_event_drag_test(wmWindowManager *wm, wmWindow *win, wmEvent *event)
1678 {
1679         if(wm->drags.first==NULL) return;
1680         
1681         if(event->type==MOUSEMOVE)
1682                 win->screen->do_draw_drag= 1;
1683         else if(event->type==ESCKEY) {
1684                 BLI_freelistN(&wm->drags);
1685                 win->screen->do_draw_drag= 1;
1686         }
1687         else if(event->type==LEFTMOUSE && event->val==KM_RELEASE) {
1688                 event->type= EVT_DROP;
1689                 
1690                 /* create customdata, first free existing */
1691                 if(event->customdata) {
1692                         if(event->customdatafree)
1693                                 MEM_freeN(event->customdata);
1694                 }
1695                 
1696                 event->custom= EVT_DATA_LISTBASE;
1697                 event->customdata= &wm->drags;
1698                 event->customdatafree= 1;
1699                 
1700                 /* clear drop icon */
1701                 win->screen->do_draw_drag= 1;
1702                 
1703                 /* restore cursor (disabled, see wm_dragdrop.c) */
1704                 // WM_cursor_restore(win);
1705         }
1706         
1707         /* overlap fails otherwise */
1708         if(win->screen->do_draw_drag)
1709                 if(win->drawmethod == USER_DRAW_OVERLAP)
1710                         win->screen->do_draw= 1;
1711         
1712 }
1713
1714 /* called in main loop */
1715 /* goes over entire hierarchy:  events -> window -> screen -> area -> region */
1716 void wm_event_do_handlers(bContext *C)
1717 {
1718         wmWindowManager *wm= CTX_wm_manager(C);
1719         wmWindow *win;
1720
1721         for(win= wm->windows.first; win; win= win->next) {
1722                 wmEvent *event;
1723                 
1724                 if( win->screen==NULL )
1725                         wm_event_free_all(win);
1726                 else {
1727                         Scene* scene = win->screen->scene;
1728                         
1729                         if(scene) {
1730                                 int playing = sound_scene_playing(win->screen->scene);
1731                                 
1732                                 if(playing != -1) {
1733                                         CTX_wm_window_set(C, win);
1734                                         CTX_wm_screen_set(C, win->screen);
1735                                         CTX_data_scene_set(C, scene);
1736                                         
1737                                         if(((playing == 1) && (!win->screen->animtimer)) || ((playing == 0) && (win->screen->animtimer))){
1738                                                 ED_screen_animation_play(C, -1, 1);
1739                                         }
1740                                         
1741                                         if(playing == 0) {
1742                                                 int ncfra = sound_sync_scene(scene) * (float)FPS + 0.5f;
1743                                                 if(ncfra != scene->r.cfra)      {
1744                                                         scene->r.cfra = ncfra;
1745                                                         ED_update_for_newframe(CTX_data_main(C), scene, win->screen, 1);
1746                                                         WM_event_add_notifier(C, NC_WINDOW, NULL);
1747                                                 }
1748                                         }
1749                                         
1750                                         CTX_data_scene_set(C, NULL);
1751                                         CTX_wm_screen_set(C, NULL);
1752                                         CTX_wm_window_set(C, NULL);
1753                                 }
1754                         }
1755                 }
1756                 
1757                 while( (event= win->queue.first) ) {
1758                         int action = WM_HANDLER_CONTINUE;
1759
1760                         if((G.f & G_DEBUG) && event && !ELEM(event->type, MOUSEMOVE, INBETWEEN_MOUSEMOVE))
1761                                 printf("pass on evt %d val %d\n", event->type, event->val); 
1762                         
1763                         wm_eventemulation(event);
1764
1765                         CTX_wm_window_set(C, win);
1766                         
1767                         /* we let modal handlers get active area/region, also wm_paintcursor_test needs it */
1768                         CTX_wm_area_set(C, area_event_inside(C, event->x, event->y));
1769                         CTX_wm_region_set(C, region_event_inside(C, event->x, event->y));
1770                         
1771                         /* MVC demands to not draw in event handlers... but we need to leave it for ogl selecting etc */
1772                         wm_window_make_drawable(C, win);
1773                         
1774                         /* first we do priority handlers, modal + some limited keymaps */
1775                         action |= wm_handlers_do(C, event, &win->modalhandlers);
1776                         
1777                         /* fileread case */
1778                         if(CTX_wm_window(C)==NULL)
1779                                 return;
1780                         
1781                         /* check dragging, creates new event or frees, adds draw tag */
1782                         wm_event_drag_test(wm, win, event);
1783                         
1784                         /* builtin tweak, if action is break it removes tweak */
1785                         wm_tweakevent_test(C, event, action);
1786
1787                         if((action & WM_HANDLER_BREAK) == 0) {
1788                                 ScrArea *sa;
1789                                 ARegion *ar;
1790                                 int doit= 0;
1791         
1792                                 /* Note: setting subwin active should be done here, after modal handlers have been done */
1793                                 if(event->type==MOUSEMOVE) {
1794                                         /* state variables in screen, cursors. Also used in wm_draw.c, fails for modal handlers though */
1795                                         ED_screen_set_subwinactive(C, event);   
1796                                         /* for regions having custom cursors */
1797                                         wm_paintcursor_test(C, event);
1798                                 }
1799                                 
1800                                 for(sa= win->screen->areabase.first; sa; sa= sa->next) {
1801                                         if(wm_event_inside_i(event, &sa->totrct)) {
1802                                                 CTX_wm_area_set(C, sa);
1803
1804                                                 if((action & WM_HANDLER_BREAK) == 0) {
1805                                                         for(ar=sa->regionbase.first; ar; ar= ar->next) {
1806                                                                 if(wm_event_inside_i(event, &ar->winrct)) {
1807                                                                         CTX_wm_region_set(C, ar);
1808                                                                         
1809                                                                         /* does polls for drop regions and checks uibuts */
1810                                                                         /* need to be here to make sure region context is true */
1811                                                                         if(ELEM(event->type, MOUSEMOVE, EVT_DROP)) {
1812                                                                                 wm_region_mouse_co(C, event);
1813                                                                                 wm_drags_check_ops(C, event);
1814                                                                         }
1815                                                                         
1816                                                                         action |= wm_handlers_do(C, event, &ar->handlers);
1817
1818                                                                         /* fileread case (python), [#29489] */
1819                                                                         if(CTX_wm_window(C)==NULL)
1820                                                                                 return;
1821
1822                                                                         doit |= (BLI_in_rcti(&ar->winrct, event->x, event->y));
1823                                                                         
1824                                                                         if(action & WM_HANDLER_BREAK)
1825                                                                                 break;
1826                                                                 }
1827                                                         }
1828                                                 }
1829
1830                                                 CTX_wm_region_set(C, NULL);
1831
1832                                                 if((action & WM_HANDLER_BREAK) == 0)
1833                                                         action |= wm_handlers_do(C, event, &sa->handlers);
1834
1835                                                 CTX_wm_area_set(C, NULL);
1836
1837                                                 /* NOTE: do not escape on WM_HANDLER_BREAK, mousemove needs handled for previous area */
1838                                         }
1839                                 }
1840                                 
1841                                 if((action & WM_HANDLER_BREAK) == 0) {
1842                                         /* also some non-modal handlers need active area/region */
1843                                         CTX_wm_area_set(C, area_event_inside(C, event->x, event->y));
1844                                         CTX_wm_region_set(C, region_event_inside(C, event->x, event->y));
1845
1846                                         action |= wm_handlers_do(C, event, &win->handlers);
1847
1848                                         /* fileread case */
1849                                         if(CTX_wm_window(C)==NULL)
1850                                                 return;
1851                                 }
1852
1853                                 /* XXX hrmf, this gives reliable previous mouse coord for area change, feels bad? 
1854                                    doing it on ghost queue gives errors when mousemoves go over area borders */
1855                                 if(doit && win->screen && win->screen->subwinactive != win->screen->mainwin) {
1856                                         win->eventstate->prevx= event->x;
1857                                         win->eventstate->prevy= event->y;
1858                                 }
1859                         }
1860                         
1861                         /* store last event for this window */
1862                         /* mousemove and timer events don't overwrite last type */
1863                         if (event->type != MOUSEMOVE && !ISTIMER(event->type)) {
1864                                 if (wm_action_not_handled(action)) {
1865                                         if (win->eventstate->prevtype == event->type) {
1866                                                 /* set click time on first click (press -> release) */
1867                                                 if (win->eventstate->prevval == KM_PRESS && event->val == KM_RELEASE) {
1868                                                         win->eventstate->prevclicktime = PIL_check_seconds_timer();
1869                                                         win->eventstate->prevclickx = event->x;
1870                                                         win->eventstate->prevclicky = event->y;
1871                                                 }
1872                                         } else {
1873                                                 /* reset click time if event type not the same */
1874                                                 win->eventstate->prevclicktime = 0;
1875                                         }
1876
1877                                         win->eventstate->prevval = event->val;
1878                                         win->eventstate->prevtype = event->type;
1879                                 } else if (event->val == KM_CLICK) { /* keep click for double click later */
1880                                         win->eventstate->prevtype = event->type;
1881                                         win->eventstate->prevval = event->val;
1882                                         win->eventstate->prevclicktime = PIL_check_seconds_timer();
1883                                         win->eventstate->prevclickx = event->x;
1884                                         win->eventstate->prevclicky = event->y;
1885                                 } else { /* reset if not */
1886                                         win->eventstate->prevtype = -1;
1887                                         win->eventstate->prevval = 0;
1888                                         win->eventstate->prevclicktime = 0;
1889                                 }
1890                         }
1891
1892                         /* unlink and free here, blender-quit then frees all */
1893                         BLI_remlink(&win->queue, event);
1894                         wm_event_free(event);
1895                         
1896                 }
1897                 
1898                 /* only add mousemove when queue was read entirely */
1899                 if(win->addmousemove && win->eventstate) {
1900                         wmEvent tevent= *(win->eventstate);
1901                         tevent.type= MOUSEMOVE;
1902                         tevent.prevx= tevent.x;
1903                         tevent.prevy= tevent.y;
1904                         wm_event_add(win, &tevent);
1905                         win->addmousemove= 0;
1906                 }
1907                 
1908                 CTX_wm_window_set(C, NULL);
1909         }
1910 }
1911
1912 /* ********** filesector handling ************ */
1913
1914 void WM_event_fileselect_event(bContext *C, void *ophandle, int eventval)
1915 {
1916         /* add to all windows! */
1917         wmWindow *win;
1918         
1919         for(win= CTX_wm_manager(C)->windows.first; win; win= win->next) {
1920                 wmEvent event= *win->eventstate;
1921                 
1922                 event.type= EVT_FILESELECT;
1923                 event.val= eventval;
1924                 event.customdata= ophandle;             // only as void pointer type check
1925
1926                 wm_event_add(win, &event);
1927         }
1928 }
1929
1930 /* operator is supposed to have a filled "path" property */
1931 /* optional property: filetype (XXX enum?) */
1932
1933 /* Idea is to keep a handler alive on window queue, owning the operator.
1934    The filewindow can send event to make it execute, thus ensuring
1935    executing happens outside of lower level queues, with UI refreshed. 
1936    Should also allow multiwin solutions */
1937
1938 void WM_event_add_fileselect(bContext *C, wmOperator *op)
1939 {
1940         wmEventHandler *handler, *handlernext;
1941         wmWindow *win= CTX_wm_window(C);
1942         int full= 1;    // XXX preset?
1943
1944         /* only allow 1 file selector open per window */
1945         for(handler= win->modalhandlers.first; handler; handler=handlernext) {
1946                 handlernext= handler->next;
1947                 
1948                 if(handler->type == WM_HANDLER_FILESELECT) {
1949                         if(handler->op)
1950                                 WM_operator_free(handler->op);
1951                         BLI_remlink(&win->modalhandlers, handler);
1952                         wm_event_free_handler(handler);
1953                 }
1954         }
1955         
1956         handler = MEM_callocN(sizeof(wmEventHandler), "fileselect handler");
1957         
1958         handler->type= WM_HANDLER_FILESELECT;
1959         handler->op= op;
1960         handler->op_area= CTX_wm_area(C);
1961         handler->op_region= CTX_wm_region(C);
1962         handler->filescreen= CTX_wm_screen(C);
1963         
1964         BLI_addhead(&win->modalhandlers, handler);
1965         
1966         /* check props once before invoking if check is available
1967          * ensures initial properties are valid */
1968         if(op->type->check) {
1969                 op->type->check(C, op); /* ignore return value */
1970         }
1971
1972         WM_event_fileselect_event(C, op, full?EVT_FILESELECT_FULL_OPEN:EVT_FILESELECT_OPEN);
1973 }
1974
1975 #if 0
1976 /* lets not expose struct outside wm? */
1977 static void WM_event_set_handler_flag(wmEventHandler *handler, int flag)
1978 {
1979         handler->flag= flag;
1980 }
1981 #endif
1982
1983 wmEventHandler *WM_event_add_modal_handler(bContext *C, wmOperator *op)
1984 {
1985         wmEventHandler *handler= MEM_callocN(sizeof(wmEventHandler), "event modal handler");
1986         wmWindow *win= CTX_wm_window(C);
1987         
1988         /* operator was part of macro */
1989         if(op->opm) {
1990                 /* give the mother macro to the handler */
1991                 handler->op= op->opm;
1992                 /* mother macro opm becomes the macro element */
1993                 handler->op->opm= op;
1994         }
1995         else
1996                 handler->op= op;
1997         
1998         handler->op_area= CTX_wm_area(C);               /* means frozen screen context for modal handlers! */
1999         handler->op_region= CTX_wm_region(C);
2000         
2001         BLI_addhead(&win->modalhandlers, handler);
2002
2003         return handler;
2004 }
2005
2006 wmEventHandler *WM_event_add_keymap_handler(ListBase *handlers, wmKeyMap *keymap)
2007 {
2008         wmEventHandler *handler;
2009
2010         if(!keymap) {
2011                 printf("WM_event_add_keymap_handler called with NULL keymap\n");
2012                 return NULL;
2013         }
2014
2015         /* only allow same keymap once */
2016         for(handler= handlers->first; handler; handler= handler->next)
2017                 if(handler->keymap==keymap)
2018                         return handler;
2019         
2020         handler= MEM_callocN(sizeof(wmEventHandler), "event keymap handler");
2021         BLI_addtail(handlers, handler);
2022         handler->keymap= keymap;
2023
2024         return handler;
2025 }
2026
2027 /* priorities not implemented yet, for time being just insert in begin of list */
2028 wmEventHandler *WM_event_add_keymap_handler_priority(ListBase *handlers, wmKeyMap *keymap, int UNUSED(priority))
2029 {
2030         wmEventHandler *handler;
2031         
2032         WM_event_remove_keymap_handler(handlers, keymap);
2033         
2034         handler= MEM_callocN(sizeof(wmEventHandler), "event keymap handler");
2035         BLI_addhead(handlers, handler);
2036         handler->keymap= keymap;
2037         
2038         return handler;
2039 }
2040
2041 wmEventHandler *WM_event_add_keymap_handler_bb(ListBase *handlers, wmKeyMap *keymap, rcti *bblocal, rcti *bbwin)
2042 {
2043         wmEventHandler *handler= WM_event_add_keymap_handler(handlers, keymap);
2044         
2045         if(handler) {
2046                 handler->bblocal= bblocal;
2047                 handler->bbwin= bbwin;
2048         }
2049         return handler;
2050 }
2051
2052 void WM_event_remove_keymap_handler(ListBase *handlers, wmKeyMap *keymap)
2053 {
2054         wmEventHandler *handler;
2055         
2056         for(handler= handlers->first; handler; handler= handler->next) {
2057                 if(handler->keymap==keymap) {
2058                         BLI_remlink(handlers, handler);
2059                         wm_event_free_handler(handler);
2060                         break;
2061                 }
2062         }
2063 }
2064
2065 wmEventHandler *WM_event_add_ui_handler(const bContext *C, ListBase *handlers, wmUIHandlerFunc func, wmUIHandlerRemoveFunc remove, void *userdata)
2066 {
2067         wmEventHandler *handler= MEM_callocN(sizeof(wmEventHandler), "event ui handler");
2068         handler->ui_handle= func;
2069         handler->ui_remove= remove;
2070         handler->ui_userdata= userdata;
2071         handler->ui_area= (C)? CTX_wm_area(C): NULL;
2072         handler->ui_region= (C)? CTX_wm_region(C): NULL;
2073         handler->ui_menu= (C)? CTX_wm_menu(C): NULL;
2074         
2075         BLI_addhead(handlers, handler);
2076         
2077         return handler;
2078 }
2079
2080 /* set "postpone" for win->modalhandlers, this is in a running for() loop in wm_handlers_do() */
2081 void WM_event_remove_ui_handler(ListBase *handlers, wmUIHandlerFunc func, wmUIHandlerRemoveFunc remove, void *userdata, int postpone)
2082 {
2083         wmEventHandler *handler;
2084         
2085         for(handler= handlers->first; handler; handler= handler->next) {
2086                 if(handler->ui_handle == func && handler->ui_remove == remove && handler->ui_userdata == userdata) {
2087                         /* handlers will be freed in wm_handlers_do() */
2088                         if(postpone) {
2089                                 handler->flag |= WM_HANDLER_DO_FREE;
2090                         }
2091                         else {
2092                                 BLI_remlink(handlers, handler);
2093                                 wm_event_free_handler(handler);
2094                         }
2095                         break;
2096                 }
2097         }
2098 }
2099
2100 wmEventHandler *WM_event_add_dropbox_handler(ListBase *handlers, ListBase *dropboxes)
2101 {
2102         wmEventHandler *handler;
2103
2104         /* only allow same dropbox once */
2105         for(handler= handlers->first; handler; handler= handler->next)
2106                 if(handler->dropboxes==dropboxes)
2107                         return handler;
2108         
2109         handler= MEM_callocN(sizeof(wmEventHandler), "dropbox handler");
2110         
2111         /* dropbox stored static, no free or copy */
2112         handler->dropboxes= dropboxes;
2113         BLI_addhead(handlers, handler);
2114         
2115         return handler;
2116 }
2117
2118 /* XXX solution works, still better check the real cause (ton) */
2119 void WM_event_remove_area_handler(ListBase *handlers, void *area)
2120 {
2121         wmEventHandler *handler, *nexthandler;
2122
2123         for(handler = handlers->first; handler; handler= nexthandler) {
2124                 nexthandler = handler->next;
2125                 if (handler->type != WM_HANDLER_FILESELECT) {
2126                         if (handler->ui_area == area) {
2127                                 BLI_remlink(handlers, handler);
2128                                 wm_event_free_handler(handler);
2129                         }
2130                 }
2131         }
2132 }
2133
2134 #if 0
2135 static void WM_event_remove_handler(ListBase *handlers, wmEventHandler *handler)
2136 {
2137         BLI_remlink(handlers, handler);
2138         wm_event_free_handler(handler);
2139 }
2140 #endif
2141
2142 void WM_event_add_mousemove(bContext *C)
2143 {
2144         wmWindow *window= CTX_wm_window(C);
2145         
2146         window->addmousemove= 1;
2147 }
2148
2149 /* for modal callbacks, check configuration for how to interpret exit with tweaks  */
2150 int WM_modal_tweak_exit(wmEvent *evt, int tweak_event)
2151 {
2152         /* if the release-confirm userpref setting is enabled, 
2153          * tweak events can be cancelled when mouse is released
2154          */
2155         if (U.flag & USER_RELEASECONFIRM) {
2156                 /* option on, so can exit with km-release */
2157                 if (evt->val == KM_RELEASE) {
2158                         switch (tweak_event) {
2159                                 case EVT_TWEAK_L:
2160                                 case EVT_TWEAK_M:
2161                                 case EVT_TWEAK_R:
2162                                         return 1;
2163                         }
2164                 }
2165                 else {
2166                         /* if the initial event wasn't a tweak event then
2167                          * ignore USER_RELEASECONFIRM setting: see [#26756] */
2168                         if(ELEM3(tweak_event, EVT_TWEAK_L, EVT_TWEAK_M, EVT_TWEAK_R) == 0) {
2169                                 return 1;
2170                         }
2171                 }
2172         }
2173         else {
2174                 /* this is fine as long as not doing km-release, otherwise
2175                  * some items (i.e. markers) being tweaked may end up getting
2176                  * dropped all over
2177                  */
2178                 if (evt->val != KM_RELEASE)
2179                         return 1;
2180         }
2181         
2182         return 0;
2183 }
2184
2185 /* ********************* ghost stuff *************** */
2186
2187 static int convert_key(GHOST_TKey key) 
2188 {
2189         if (key>=GHOST_kKeyA && key<=GHOST_kKeyZ) {
2190                 return (AKEY + ((int) key - GHOST_kKeyA));
2191         } else if (key>=GHOST_kKey0 && key<=GHOST_kKey9) {
2192                 return (ZEROKEY + ((int) key - GHOST_kKey0));
2193         } else if (key>=GHOST_kKeyNumpad0 && key<=GHOST_kKeyNumpad9) {
2194                 return (PAD0 + ((int) key - GHOST_kKeyNumpad0));
2195         } else if (key>=GHOST_kKeyF1 && key<=GHOST_kKeyF19) {
2196                 return (F1KEY + ((int) key - GHOST_kKeyF1));
2197         } else {
2198                 switch (key) {
2199                         case GHOST_kKeyBackSpace:               return BACKSPACEKEY;
2200                         case GHOST_kKeyTab:                             return TABKEY;
2201                         case GHOST_kKeyLinefeed:                return LINEFEEDKEY;
2202                         case GHOST_kKeyClear:                   return 0;
2203                         case GHOST_kKeyEnter:                   return RETKEY;
2204                                 
2205                         case GHOST_kKeyEsc:                             return ESCKEY;
2206                         case GHOST_kKeySpace:                   return SPACEKEY;
2207                         case GHOST_kKeyQuote:                   return QUOTEKEY;
2208                         case GHOST_kKeyComma:                   return COMMAKEY;
2209                         case GHOST_kKeyMinus:                   return MINUSKEY;
2210                         case GHOST_kKeyPeriod:                  return PERIODKEY;
2211                         case GHOST_kKeySlash:                   return SLASHKEY;
2212                                 
2213                         case GHOST_kKeySemicolon:               return SEMICOLONKEY;
2214                         case GHOST_kKeyEqual:                   return EQUALKEY;
2215                                 
2216                         case GHOST_kKeyLeftBracket:             return LEFTBRACKETKEY;
2217                         case GHOST_kKeyRightBracket:    return RIGHTBRACKETKEY;
2218                         case GHOST_kKeyBackslash:               return BACKSLASHKEY;
2219                         case GHOST_kKeyAccentGrave:             return ACCENTGRAVEKEY;
2220                                 
2221                         case GHOST_kKeyLeftShift:               return LEFTSHIFTKEY;
2222                         case GHOST_kKeyRightShift:              return RIGHTSHIFTKEY;
2223                         case GHOST_kKeyLeftControl:             return LEFTCTRLKEY;
2224                         case GHOST_kKeyRightControl:    return RIGHTCTRLKEY;
2225                         case GHOST_kKeyOS:                              return OSKEY;
2226                         case GHOST_kKeyLeftAlt:                 return LEFTALTKEY;
2227                         case GHOST_kKeyRightAlt:                return RIGHTALTKEY;
2228                                 
2229                         case GHOST_kKeyCapsLock:                return CAPSLOCKKEY;
2230                         case GHOST_kKeyNumLock:                 return 0;
2231                         case GHOST_kKeyScrollLock:              return 0;
2232                                 
2233                         case GHOST_kKeyLeftArrow:               return LEFTARROWKEY;
2234                         case GHOST_kKeyRightArrow:              return RIGHTARROWKEY;
2235                         case GHOST_kKeyUpArrow:                 return UPARROWKEY;
2236                         case GHOST_kKeyDownArrow:               return DOWNARROWKEY;
2237                                 
2238                         case GHOST_kKeyPrintScreen:             return 0;
2239                         case GHOST_kKeyPause:                   return PAUSEKEY;
2240                                 
2241                         case GHOST_kKeyInsert:                  return INSERTKEY;
2242                         case GHOST_kKeyDelete:                  return DELKEY;
2243                         case GHOST_kKeyHome:                    return HOMEKEY;
2244                         case GHOST_kKeyEnd:                             return ENDKEY;
2245                         case GHOST_kKeyUpPage:                  return PAGEUPKEY;
2246                         case GHOST_kKeyDownPage:                return PAGEDOWNKEY;
2247                                 
2248                         case GHOST_kKeyNumpadPeriod:    return PADPERIOD;
2249                         case GHOST_kKeyNumpadEnter:             return PADENTER;
2250                         case GHOST_kKeyNumpadPlus:              return PADPLUSKEY;
2251                         case GHOST_kKeyNumpadMinus:             return PADMINUS;
2252                         case GHOST_kKeyNumpadAsterisk:  return PADASTERKEY;
2253                         case GHOST_kKeyNumpadSlash:             return PADSLASHKEY;
2254                                 
2255                         case GHOST_kKeyGrLess:              return GRLESSKEY; 
2256                         
2257                         case GHOST_kKeyMediaPlay:               return MEDIAPLAY;
2258                         case GHOST_kKeyMediaStop:               return MEDIASTOP;
2259                         case GHOST_kKeyMediaFirst:              return MEDIAFIRST;
2260                         case GHOST_kKeyMediaLast:               return MEDIALAST;
2261                         
2262                         default:
2263                                 return UNKNOWNKEY;      /* GHOST_kKeyUnknown */
2264                 }
2265         }
2266 }
2267
2268 /* adds customdata to event */
2269 static void update_tablet_data(wmWindow *win, wmEvent *event)
2270 {
2271         const GHOST_TabletData *td= GHOST_GetTabletData(win->ghostwin);
2272         
2273         /* if there's tablet data from an active tablet device then add it */
2274         if ((td != NULL) && td->Active != GHOST_kTabletModeNone) {
2275                 struct wmTabletData *wmtab= MEM_mallocN(sizeof(wmTabletData), "customdata tablet");
2276                 
2277                 wmtab->Active = (int)td->Active;
2278                 wmtab->Pressure = td->Pressure;
2279                 wmtab->Xtilt = td->Xtilt;
2280                 wmtab->Ytilt = td->Ytilt;
2281                 
2282                 event->custom= EVT_DATA_TABLET;
2283                 event->customdata= wmtab;
2284                 event->customdatafree= 1;
2285         } 
2286 }
2287
2288 /* imperfect but probably usable... draw/enable drags to other windows */
2289 static wmWindow *wm_event_cursor_other_windows(wmWindowManager *wm, wmWindow *win, wmEvent *evt)
2290 {
2291         short mx= evt->x, my= evt->y;
2292         
2293         if(wm->windows.first== wm->windows.last)
2294                 return NULL;
2295         
2296         /* top window bar... */
2297         if(mx<0 || my<0 || mx>win->sizex || my>win->sizey+30) { 
2298                 wmWindow *owin;
2299                 wmEventHandler *handler;
2300                 
2301                 /* let's skip windows having modal handlers now */
2302                 /* potential XXX ugly... I wouldn't have added a modalhandlers list (introduced in rev 23331, ton) */
2303                 for(handler= win->modalhandlers.first; handler; handler= handler->next)
2304                         if(handler->ui_handle || handler->op)
2305                                 return NULL;
2306                 
2307                 /* to desktop space */
2308                 mx+= win->posx;
2309                 my+= win->posy;
2310                 
2311                 /* check other windows to see if it has mouse inside */
2312                 for(owin= wm->windows.first; owin; owin= owin->next) {
2313                         
2314                         if(owin!=win) {
2315                                 if(mx-owin->posx >= 0 && my-owin->posy >= 0 &&
2316                                    mx-owin->posx <= owin->sizex && my-owin->posy <= owin->sizey) {
2317                                         evt->x= mx-owin->posx;
2318                                         evt->y= my-owin->posy;
2319                                         
2320                                         return owin;
2321                                 }
2322                         }
2323                 }
2324         }
2325         return NULL;
2326 }
2327
2328 /* windows store own event queues, no bContext here */
2329 /* time is in 1000s of seconds, from ghost */
2330 void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int UNUSED(time), void *customdata)
2331 {
2332         wmWindow *owin;
2333         wmEvent event, *evt= win->eventstate;
2334         
2335         /* initialize and copy state (only mouse x y and modifiers) */
2336         event= *evt;
2337         
2338         switch (type) {
2339                 /* mouse move */
2340                 case GHOST_kEventCursorMove: {
2341                         if(win->active) {
2342                                 GHOST_TEventCursorData *cd= customdata;
2343                                 wmEvent *lastevent= win->queue.last;
2344                                 
2345 #if defined(__APPLE__) && defined(GHOST_COCOA)
2346                                 //Cocoa already uses coordinates with y=0 at bottom, and returns inwindow coordinates on mouse moved event
2347                                 evt->x= cd->x;
2348                                 evt->y= cd->y;
2349 #else
2350                                 int cx, cy;
2351                                 
2352                                 GHOST_ScreenToClient(win->ghostwin, cd->x, cd->y, &cx, &cy);
2353                                 evt->x= cx;
2354                                 evt->y= (win->sizey-1) - cy;
2355 #endif
2356                                 
2357                                 event.x= evt->x;
2358                                 event.y= evt->y;
2359
2360                                 event.type= MOUSEMOVE;
2361
2362                                 /* some painting operators want accurate mouse events, they can
2363                                    handle in between mouse move moves, others can happily ignore
2364                                    them for better performance */
2365                                 if(lastevent && lastevent->type == MOUSEMOVE)
2366                                         lastevent->type = INBETWEEN_MOUSEMOVE;
2367
2368                                 update_tablet_data(win, &event);
2369                                 wm_event_add(win, &event);
2370                                 
2371                                 /* also add to other window if event is there, this makes overdraws disappear nicely */
2372                                 /* it remaps mousecoord to other window in event */
2373                                 owin= wm_event_cursor_other_windows(wm, win, &event);
2374                                 if(owin) {
2375                                         wmEvent oevent= *(owin->eventstate);
2376                                         
2377                                         oevent.x=owin->eventstate->x= event.x;
2378                                         oevent.y=owin->eventstate->y= event.y;
2379                                         oevent.type= MOUSEMOVE;
2380                                         
2381                                         update_tablet_data(owin, &oevent);
2382                                         wm_event_add(owin, &oevent);
2383                                 }
2384                                 
2385                         }
2386                         break;
2387                 }
2388                 case GHOST_kEventTrackpad: {
2389                         GHOST_TEventTrackpadData * pd = customdata;
2390                         switch (pd->subtype) {
2391                                 case GHOST_kTrackpadEventMagnify:
2392                                         event.type = MOUSEZOOM;
2393                                         break;
2394                                 case GHOST_kTrackpadEventRotate:
2395                                         event.type = MOUSEROTATE;
2396                                         break;
2397                                 case GHOST_kTrackpadEventScroll:
2398                                 default:
2399                                         event.type= MOUSEPAN;
2400                                         break;
2401                         }
2402 #if defined(__APPLE__) && defined(GHOST_COCOA)
2403                         //Cocoa already uses coordinates with y=0 at bottom, and returns inwindow coordinates on mouse moved event
2404                         event.x= evt->x = pd->x;
2405                         event.y = evt->y = pd->y;
2406 #else
2407                         {
2408                         int cx, cy;
2409                         GHOST_ScreenToClient(win->ghostwin, pd->x, pd->y, &cx, &cy);
2410                         event.x= evt->x= cx;
2411                         event.y= evt->y= (win->sizey-1) - cy;
2412                         }
2413 #endif
2414                         // Use prevx/prevy so we can calculate the delta later
2415                         event.prevx= event.x - pd->deltaX;
2416                         event.prevy= event.y - pd->deltaY;
2417                         
2418                         update_tablet_data(win, &event);
2419                         wm_event_add(win, &event);
2420                         break;
2421                 }
2422                 /* mouse button */
2423                 case GHOST_kEventButtonDown:
2424                 case GHOST_kEventButtonUp: {
2425                         GHOST_TEventButtonData *bd= customdata;
2426                         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 */
2427                         
2428                         if (bd->button == GHOST_kButtonMaskLeft)
2429                                 event.type= LEFTMOUSE;
2430                         else if (bd->button == GHOST_kButtonMaskRight)
2431                                 event.type= RIGHTMOUSE;
2432                         else if (bd->button == GHOST_kButtonMaskButton4)
2433                                 event.type= BUTTON4MOUSE;
2434                         else if (bd->button == GHOST_kButtonMaskButton5)
2435                                 event.type= BUTTON5MOUSE;
2436                         else
2437                                 event.type= MIDDLEMOUSE;
2438                         
2439                         /* add to other window if event is there (not to both!) */
2440                         owin= wm_event_cursor_other_windows(wm, win, &event);
2441                         if(owin) {
2442                                 wmEvent oevent= *(owin->eventstate);
2443                                 
2444                                 oevent.x= event.x;
2445                                 oevent.y= event.y;
2446                                 oevent.type= event.type;
2447                                 oevent.val= event.val;
2448                                 
2449                                 update_tablet_data(owin, &oevent);
2450                                 wm_event_add(owin, &oevent);
2451                         }
2452                         else {
2453                                 update_tablet_data(win, &event);
2454                                 wm_event_add(win, &event);
2455                         }
2456                         
2457                         break;
2458                 }
2459                 /* keyboard */
2460                 case GHOST_kEventKeyDown:
2461                 case GHOST_kEventKeyUp: {
2462                         GHOST_TEventKeyData *kd= customdata;
2463                         event.type= convert_key(kd->key);
2464                         event.ascii= kd->ascii;
2465                         event.val= (type==GHOST_kEventKeyDown)?KM_PRESS:KM_RELEASE;
2466                         
2467                         /* exclude arrow keys, esc, etc from text input */
2468                         if(type==GHOST_kEventKeyUp || (event.ascii<32 && event.ascii>0))
2469                                 event.ascii= '\0';
2470                         
2471                         /* modifiers */
2472                         if (event.type==LEFTSHIFTKEY || event.type==RIGHTSHIFTKEY) {
2473                                 event.shift= evt->shift= (event.val==KM_PRESS);
2474                                 if(event.val==KM_PRESS && (evt->ctrl || evt->alt || evt->oskey))
2475                                    event.shift= evt->shift = 3;         // define?
2476                         } 
2477                         else if (event.type==LEFTCTRLKEY || event.type==RIGHTCTRLKEY) {
2478                                 event.ctrl= evt->ctrl= (event.val==KM_PRESS);
2479                                 if(event.val==KM_PRESS && (evt->shift || evt->alt || evt->oskey))
2480                                    event.ctrl= evt->ctrl = 3;           // define?
2481                         } 
2482                         else if (event.type==LEFTALTKEY || event.type==RIGHTALTKEY) {
2483                                 event.alt= evt->alt= (event.val==KM_PRESS);
2484                                 if(event.val==KM_PRESS && (evt->ctrl || evt->shift || evt->oskey))
2485                                    event.alt= evt->alt = 3;             // define?
2486                         } 
2487                         else if (event.type==OSKEY) {
2488                                 event.oskey= evt->oskey= (event.val==KM_PRESS);
2489                                 if(event.val==KM_PRESS && (evt->ctrl || evt->alt || evt->shift))
2490                                    event.oskey= evt->oskey = 3;         // define?
2491                         }
2492                         else {
2493                                 if(event.val==KM_PRESS && event.keymodifier==0)
2494                                         evt->keymodifier= event.type; /* only set in eventstate, for next event */
2495                                 else if(event.val==KM_RELEASE && event.keymodifier==event.type)
2496                                         event.keymodifier= evt->keymodifier= 0;
2497                         }
2498
2499                         /* this case happens on some systems that on holding a key pressed,
2500                            generate press events without release, we still want to keep the
2501                            modifier in win->eventstate, but for the press event of the same
2502                            key we don't want the key modifier */
2503                         if(event.keymodifier == event.type)
2504                                 event.keymodifier= 0;
2505                         
2506                         /* if test_break set, it catches this. XXX Keep global for now? */
2507                         if(event.type==ESCKEY)
2508                                 G.afbreek= 1;
2509                         
2510                         wm_event_add(win, &event);
2511                         
2512                         break;
2513                 }
2514                         
2515                 case GHOST_kEventWheel: {
2516                         GHOST_TEventWheelData* wheelData = customdata;
2517                         
2518                         if (wheelData->z > 0)
2519                                 event.type= WHEELUPMOUSE;
2520                         else
2521                                 event.type= WHEELDOWNMOUSE;
2522                         
2523                         event.val= KM_PRESS;
2524                         wm_event_add(win, &event);
2525                         
2526                         break;
2527                 }
2528                 case GHOST_kEventTimer: {
2529                         event.type= TIMER;
2530                         event.custom= EVT_DATA_TIMER;
2531                         event.customdata= customdata;
2532                         wm_event_add(win, &event);
2533
2534                         break;
2535                 }
2536
2537                 case GHOST_kEventUnknown:
2538                 case GHOST_kNumEventTypes:
2539                         break;
2540
2541                 case GHOST_kEventWindowDeactivate: {
2542                         event.type= WINDEACTIVATE;
2543                         wm_event_add(win, &event);
2544
2545                         break;
2546                         
2547                 }
2548
2549         }
2550 }