Camera tracking: improvements of track preview widget
[blender.git] / source / blender / editors / space_view3d / space_view3d.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2008 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/editors/space_view3d/space_view3d.c
28  *  \ingroup spview3d
29  */
30
31
32 #include <string.h>
33 #include <stdio.h>
34
35 #include "DNA_object_types.h"
36 #include "DNA_scene_types.h"
37
38 #include "MEM_guardedalloc.h"
39
40 #include "BLI_blenlib.h"
41 #include "BLI_math.h"
42 #include "BLI_rand.h"
43 #include "BLI_utildefines.h"
44
45 #include "BKE_object.h"
46 #include "BKE_context.h"
47 #include "BKE_screen.h"
48
49 #include "ED_space_api.h"
50 #include "ED_screen.h"
51 #include "ED_object.h"
52
53 #include "BIF_gl.h"
54
55
56 #include "WM_api.h"
57 #include "WM_types.h"
58
59 #include "RE_engine.h"
60
61 #include "RNA_access.h"
62
63 #include "UI_resources.h"
64
65 #include "view3d_intern.h"      // own include
66
67 /* ******************** manage regions ********************* */
68
69 ARegion *view3d_has_buttons_region(ScrArea *sa)
70 {
71         ARegion *ar, *arnew;
72
73         ar= BKE_area_find_region_type(sa, RGN_TYPE_UI);
74         if(ar) return ar;
75         
76         /* add subdiv level; after header */
77         ar= BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
78
79         /* is error! */
80         if(ar==NULL) return NULL;
81         
82         arnew= MEM_callocN(sizeof(ARegion), "buttons for view3d");
83         
84         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
85         arnew->regiontype= RGN_TYPE_UI;
86         arnew->alignment= RGN_ALIGN_RIGHT;
87         
88         arnew->flag = RGN_FLAG_HIDDEN;
89         
90         return arnew;
91 }
92
93 ARegion *view3d_has_tools_region(ScrArea *sa)
94 {
95         ARegion *ar, *artool=NULL, *arprops=NULL, *arhead;
96         
97         for(ar= sa->regionbase.first; ar; ar= ar->next) {
98                 if(ar->regiontype==RGN_TYPE_TOOLS)
99                         artool= ar;
100                 if(ar->regiontype==RGN_TYPE_TOOL_PROPS)
101                         arprops= ar;
102         }
103         
104         /* tool region hide/unhide also hides props */
105         if(arprops && artool) return artool;
106         
107         if(artool==NULL) {
108                 /* add subdiv level; after header */
109                 for(arhead= sa->regionbase.first; arhead; arhead= arhead->next)
110                         if(arhead->regiontype==RGN_TYPE_HEADER)
111                                 break;
112                 
113                 /* is error! */
114                 if(arhead==NULL) return NULL;
115                 
116                 artool= MEM_callocN(sizeof(ARegion), "tools for view3d");
117                 
118                 BLI_insertlinkafter(&sa->regionbase, arhead, artool);
119                 artool->regiontype= RGN_TYPE_TOOLS;
120                 artool->alignment= RGN_ALIGN_LEFT; //RGN_OVERLAP_LEFT;
121                 artool->flag = RGN_FLAG_HIDDEN;
122         }
123
124         if(arprops==NULL) {
125                 /* add extra subdivided region for tool properties */
126                 arprops= MEM_callocN(sizeof(ARegion), "tool props for view3d");
127                 
128                 BLI_insertlinkafter(&sa->regionbase, artool, arprops);
129                 arprops->regiontype= RGN_TYPE_TOOL_PROPS;
130                 arprops->alignment= RGN_ALIGN_BOTTOM|RGN_SPLIT_PREV;
131         }
132         
133         return artool;
134 }
135
136 /* ****************************************************** */
137
138 /* function to always find a regionview3d context inside 3D window */
139 RegionView3D *ED_view3d_context_rv3d(bContext *C)
140 {
141         RegionView3D *rv3d= CTX_wm_region_view3d(C);
142         
143         if(rv3d==NULL) {
144                 ScrArea *sa =CTX_wm_area(C);
145                 if(sa && sa->spacetype==SPACE_VIEW3D) {
146                         ARegion *ar= BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
147                         if(ar) {
148                                 rv3d= ar->regiondata;
149                         }
150                 }
151         }
152         return rv3d;
153 }
154
155 /* ideally would return an rv3d but in some cases the region is needed too
156  * so return that, the caller can then access the ar->regiondata */
157 ARegion *ED_view3d_context_region_unlock(bContext *C)
158 {
159         ScrArea *sa= CTX_wm_area(C);
160         if(sa && sa->spacetype==SPACE_VIEW3D) {
161                 ARegion *ar= CTX_wm_region(C);
162                 if(ar) {
163                         RegionView3D *rv3d= ar->regiondata;
164                         if(rv3d && rv3d->viewlock == 0) {
165                                 return ar;
166                         }
167                         else {
168                                 ARegion *ar_unlock_user= NULL;
169                                 ARegion *ar_unlock= NULL;
170                                 for(ar= sa->regionbase.first; ar; ar= ar->next) {
171                                         /* find the first unlocked rv3d */
172                                         if(ar->regiondata && ar->regiontype == RGN_TYPE_WINDOW) {
173                                                 rv3d= ar->regiondata;
174                                                 if(rv3d->viewlock == 0) {
175                                                         ar_unlock= ar;
176                                                         if(rv3d->persp==RV3D_PERSP || rv3d->persp==RV3D_CAMOB) {
177                                                                 ar_unlock_user= ar;
178                                                                 break;
179                                                         }
180                                                 } 
181                                         }
182                                 }
183
184                                 /* camera/perspective view get priority when the active region is locked */
185                                 if(ar_unlock_user) return ar_unlock_user;
186                                 if(ar_unlock) return ar_unlock;
187                         }
188                 }
189         }
190         return NULL;
191 }
192
193 /* Most of the time this isn't needed since you could assume the view matrix was
194  * set while drawing, however when functions like mesh_foreachScreenVert are
195  * called by selection tools, we can't be sure this object was the last.
196  *
197  * for example, transparent objects are drawn after editmode and will cause
198  * the rv3d mat's to change and break selection.
199  *
200  * 'ED_view3d_init_mats_rv3d' should be called before
201  * view3d_project_short_clip and view3d_project_short_noclip in cases where
202  * these functions are not used during draw_object
203  */
204 void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d)
205 {
206         /* local viewmat and persmat, to calculate projections */
207         mult_m4_m4m4(rv3d->viewmatob, rv3d->viewmat, ob->obmat);
208         mult_m4_m4m4(rv3d->persmatob, rv3d->persmat, ob->obmat);
209
210         /* initializes object space clipping, speeds up clip tests */
211         ED_view3d_local_clipping(rv3d, ob->obmat);
212 }
213
214 void ED_view3d_init_mats_rv3d_gl(struct Object *ob, struct RegionView3D *rv3d)
215 {
216         ED_view3d_init_mats_rv3d(ob, rv3d);
217
218         /* we have to multiply instead of loading viewmatob to make
219            it work with duplis using displists, otherwise it will
220            override the dupli-matrix */
221         glMultMatrixf(ob->obmat);
222 }
223
224 /* ******************** default callbacks for view3d space ***************** */
225
226 static SpaceLink *view3d_new(const bContext *C)
227 {
228         Scene *scene= CTX_data_scene(C);
229         ARegion *ar;
230         View3D *v3d;
231         RegionView3D *rv3d;
232         
233         v3d= MEM_callocN(sizeof(View3D), "initview3d");
234         v3d->spacetype= SPACE_VIEW3D;
235         v3d->blockscale= 0.7f;
236         v3d->lay= v3d->layact= 1;
237         if(scene) {
238                 v3d->lay= v3d->layact= scene->lay;
239                 v3d->camera= scene->camera;
240         }
241         v3d->scenelock= TRUE;
242         v3d->grid= 1.0f;
243         v3d->gridlines= 16;
244         v3d->gridsubdiv = 10;
245         v3d->drawtype= OB_SOLID;
246         
247         v3d->gridflag |= V3D_SHOW_X;
248         v3d->gridflag |= V3D_SHOW_Y;
249         v3d->gridflag |= V3D_SHOW_FLOOR;
250         v3d->gridflag &= ~V3D_SHOW_Z;
251         
252         v3d->flag |= V3D_SELECT_OUTLINE;
253         v3d->flag2 |= V3D_SHOW_RECONSTRUCTION;
254         
255         v3d->lens= 35.0f;
256         v3d->near= 0.01f;
257         v3d->far= 1000.0f;
258
259         v3d->twflag |= U.tw_flag & V3D_USE_MANIPULATOR;
260         v3d->twtype= V3D_MANIP_TRANSLATE;
261         v3d->around= V3D_CENTROID;
262         
263         v3d->bundle_size= 0.2f;
264         v3d->bundle_drawtype= OB_PLAINAXES;
265         
266         /* header */
267         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
268         
269         BLI_addtail(&v3d->regionbase, ar);
270         ar->regiontype= RGN_TYPE_HEADER;
271         ar->alignment= RGN_ALIGN_BOTTOM;
272         
273         /* tool shelf */
274         ar= MEM_callocN(sizeof(ARegion), "toolshelf for view3d");
275         
276         BLI_addtail(&v3d->regionbase, ar);
277         ar->regiontype= RGN_TYPE_TOOLS;
278         ar->alignment= RGN_ALIGN_LEFT;
279         ar->flag = RGN_FLAG_HIDDEN;
280         
281         /* tool properties */
282         ar= MEM_callocN(sizeof(ARegion), "tool properties for view3d");
283         
284         BLI_addtail(&v3d->regionbase, ar);
285         ar->regiontype= RGN_TYPE_TOOL_PROPS;
286         ar->alignment= RGN_ALIGN_BOTTOM|RGN_SPLIT_PREV;
287         ar->flag = RGN_FLAG_HIDDEN;
288         
289         /* buttons/list view */
290         ar= MEM_callocN(sizeof(ARegion), "buttons for view3d");
291         
292         BLI_addtail(&v3d->regionbase, ar);
293         ar->regiontype= RGN_TYPE_UI;
294         ar->alignment= RGN_ALIGN_RIGHT;
295         ar->flag = RGN_FLAG_HIDDEN;
296         
297         /* main area */
298         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
299         
300         BLI_addtail(&v3d->regionbase, ar);
301         ar->regiontype= RGN_TYPE_WINDOW;
302         
303         ar->regiondata= MEM_callocN(sizeof(RegionView3D), "region view3d");
304         rv3d= ar->regiondata;
305         rv3d->viewquat[0]= 1.0f;
306         rv3d->persp= RV3D_PERSP;
307         rv3d->view= RV3D_VIEW_PERSPORTHO;
308         rv3d->dist= 10.0;
309         
310         return (SpaceLink *)v3d;
311 }
312
313 /* not spacelink itself */
314 static void view3d_free(SpaceLink *sl)
315 {
316         View3D *vd= (View3D *) sl;
317
318         BGpic *bgpic;
319         for(bgpic= vd->bgpicbase.first; bgpic; bgpic= bgpic->next) {
320                 if(bgpic->ima) bgpic->ima->id.us--;
321         }
322         BLI_freelistN(&vd->bgpicbase);
323
324         if(vd->localvd) MEM_freeN(vd->localvd);
325         
326         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
327 }
328
329
330 /* spacetype; init callback */
331 static void view3d_init(struct wmWindowManager *UNUSED(wm), ScrArea *UNUSED(sa))
332 {
333
334 }
335
336 static SpaceLink *view3d_duplicate(SpaceLink *sl)
337 {
338         View3D *v3do= (View3D *)sl;
339         View3D *v3dn= MEM_dupallocN(sl);
340         BGpic *bgpic;
341         
342         /* clear or remove stuff from old */
343         
344 // XXX  BIF_view3d_previewrender_free(v3do);
345         
346         if(v3do->localvd) {
347                 v3do->localvd= NULL;
348                 v3do->properties_storage= NULL;
349                 v3do->lay= v3dn->localvd->lay;
350                 v3do->lay &= 0xFFFFFF;
351         }
352
353         if(v3dn->drawtype == OB_RENDER)
354                 v3dn->drawtype = OB_SOLID;
355         
356         /* copy or clear inside new stuff */
357
358         BLI_duplicatelist(&v3dn->bgpicbase, &v3do->bgpicbase);
359         for(bgpic= v3dn->bgpicbase.first; bgpic; bgpic= bgpic->next)
360                 if(bgpic->ima)
361                         bgpic->ima->id.us++;
362
363         v3dn->properties_storage= NULL;
364         
365         return (SpaceLink *)v3dn;
366 }
367
368 /* add handlers, stuff you only do once or on area/region changes */
369 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
370 {
371         ListBase *lb;
372         wmKeyMap *keymap;
373
374         /* object ops. */
375         
376         /* important to be before Pose keymap since they can both be enabled at once */
377         keymap= WM_keymap_find(wm->defaultconf, "Face Mask", 0, 0);
378         WM_event_add_keymap_handler(&ar->handlers, keymap);
379         
380         
381         keymap= WM_keymap_find(wm->defaultconf, "Weight Paint Vertex Selection", 0, 0);
382         WM_event_add_keymap_handler(&ar->handlers, keymap);
383
384         /* pose is not modal, operator poll checks for this */
385         keymap= WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
386         WM_event_add_keymap_handler(&ar->handlers, keymap);
387         
388         keymap= WM_keymap_find(wm->defaultconf, "Object Mode", 0, 0);
389         WM_event_add_keymap_handler(&ar->handlers, keymap);
390
391         keymap= WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
392         WM_event_add_keymap_handler(&ar->handlers, keymap);
393
394         keymap= WM_keymap_find(wm->defaultconf, "Vertex Paint", 0, 0);
395         WM_event_add_keymap_handler(&ar->handlers, keymap);
396
397         keymap= WM_keymap_find(wm->defaultconf, "Weight Paint", 0, 0);
398         WM_event_add_keymap_handler(&ar->handlers, keymap);
399
400         keymap= WM_keymap_find(wm->defaultconf, "Sculpt", 0, 0);
401         WM_event_add_keymap_handler(&ar->handlers, keymap);
402         
403         keymap= WM_keymap_find(wm->defaultconf, "Mesh", 0, 0);
404         WM_event_add_keymap_handler(&ar->handlers, keymap);
405         
406         keymap= WM_keymap_find(wm->defaultconf, "Curve", 0, 0);
407         WM_event_add_keymap_handler(&ar->handlers, keymap);
408         
409         keymap= WM_keymap_find(wm->defaultconf, "Armature", 0, 0);
410         WM_event_add_keymap_handler(&ar->handlers, keymap);
411
412         keymap= WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
413         WM_event_add_keymap_handler(&ar->handlers, keymap);
414
415         keymap= WM_keymap_find(wm->defaultconf, "Metaball", 0, 0);
416         WM_event_add_keymap_handler(&ar->handlers, keymap);
417         
418         keymap= WM_keymap_find(wm->defaultconf, "Lattice", 0, 0);
419         WM_event_add_keymap_handler(&ar->handlers, keymap);
420
421         /* armature sketching needs to take over mouse */
422         keymap= WM_keymap_find(wm->defaultconf, "Armature Sketch", 0, 0);
423         WM_event_add_keymap_handler(&ar->handlers, keymap);
424
425         keymap= WM_keymap_find(wm->defaultconf, "Particle", 0, 0);
426         WM_event_add_keymap_handler(&ar->handlers, keymap);
427
428         /* editfont keymap swallows all... */
429         keymap= WM_keymap_find(wm->defaultconf, "Font", 0, 0);
430         WM_event_add_keymap_handler(&ar->handlers, keymap);
431
432         keymap= WM_keymap_find(wm->defaultconf, "Object Non-modal", 0, 0);
433         WM_event_add_keymap_handler(&ar->handlers, keymap);
434
435         keymap= WM_keymap_find(wm->defaultconf, "Frames", 0, 0);
436         WM_event_add_keymap_handler(&ar->handlers, keymap);
437
438         /* own keymap, last so modes can override it */
439         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
440         WM_event_add_keymap_handler(&ar->handlers, keymap);
441
442         keymap= WM_keymap_find(wm->defaultconf, "3D View", SPACE_VIEW3D, 0);
443         WM_event_add_keymap_handler(&ar->handlers, keymap);
444         
445         /* add drop boxes */
446         lb= WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
447         
448         WM_event_add_dropbox_handler(&ar->handlers, lb);
449         
450 }
451
452 static int view3d_ob_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
453 {
454         if(drag->type==WM_DRAG_ID) {
455                 ID *id= (ID *)drag->poin;
456                 if( GS(id->name)==ID_OB )
457                         return 1;
458         }
459         return 0;
460 }
461
462 static int view3d_mat_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
463 {
464         if(drag->type==WM_DRAG_ID) {
465                 ID *id= (ID *)drag->poin;
466                 if( GS(id->name)==ID_MA )
467                         return 1;
468         }
469         return 0;
470 }
471
472 static int view3d_ima_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
473 {
474         if(drag->type==WM_DRAG_ID) {
475                 ID *id= (ID *)drag->poin;
476                 if( GS(id->name)==ID_IM )
477                         return 1;
478         }
479         else if(drag->type==WM_DRAG_PATH){
480                 if(ELEM(drag->icon, 0, ICON_FILE_IMAGE))        /* rule might not work? */
481                         return 1;
482         }
483         return 0;
484 }
485
486
487 static int view3d_ima_bg_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
488 {
489         if( ED_view3d_give_base_under_cursor(C, event->mval) ) {
490                 return 0;
491         }
492         return view3d_ima_drop_poll(C, drag, event);
493 }
494
495 static int view3d_ima_ob_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
496 {
497         if( ED_view3d_give_base_under_cursor(C, event->mval) ) {
498                 return view3d_ima_drop_poll(C, drag, event);
499         }
500         return 0;
501 }
502
503 static void view3d_ob_drop_copy(wmDrag *drag, wmDropBox *drop)
504 {
505         ID *id= (ID *)drag->poin;
506         PointerRNA ptr;
507
508         /* need to put name in sub-operator in macro */
509         ptr= RNA_pointer_get(drop->ptr, "OBJECT_OT_add_named");
510         if(ptr.data)
511                 RNA_string_set(&ptr, "name", id->name+2);
512         else
513                 RNA_string_set(drop->ptr, "name", id->name+2);
514 }
515
516 static void view3d_id_drop_copy(wmDrag *drag, wmDropBox *drop)
517 {
518         ID *id= (ID *)drag->poin;
519         
520         RNA_string_set(drop->ptr, "name", id->name+2);
521 }
522
523 static void view3d_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
524 {
525         ID *id= (ID *)drag->poin;
526         
527         if(id)
528                 RNA_string_set(drop->ptr, "name", id->name+2);
529         if(drag->path[0]) 
530                 RNA_string_set(drop->ptr, "filepath", drag->path);
531 }
532
533
534 /* region dropbox definition */
535 static void view3d_dropboxes(void)
536 {
537         ListBase *lb= WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
538         
539         WM_dropbox_add(lb, "OBJECT_OT_add_named_cursor", view3d_ob_drop_poll, view3d_ob_drop_copy);
540         WM_dropbox_add(lb, "OBJECT_OT_drop_named_material", view3d_mat_drop_poll, view3d_id_drop_copy);
541         WM_dropbox_add(lb, "MESH_OT_drop_named_image", view3d_ima_ob_drop_poll, view3d_id_path_drop_copy);
542         WM_dropbox_add(lb, "VIEW3D_OT_background_image_add", view3d_ima_bg_drop_poll, view3d_id_path_drop_copy);
543 }
544
545
546
547 /* type callback, not region itself */
548 static void view3d_main_area_free(ARegion *ar)
549 {
550         RegionView3D *rv3d= ar->regiondata;
551         
552         if(rv3d) {
553                 if(rv3d->localvd) MEM_freeN(rv3d->localvd);
554                 if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
555
556                 // XXX  retopo_free_view_data(rv3d);
557                 if(rv3d->ri) { 
558                         // XXX          BIF_view3d_previewrender_free(rv3d);
559                 }
560
561                 if(rv3d->render_engine)
562                         RE_engine_free(rv3d->render_engine);
563                 
564                 if(rv3d->depths) {
565                         if(rv3d->depths->depths) MEM_freeN(rv3d->depths->depths);
566                         MEM_freeN(rv3d->depths);
567                 }
568                 MEM_freeN(rv3d);
569                 ar->regiondata= NULL;
570         }
571 }
572
573 /* copy regiondata */
574 static void *view3d_main_area_duplicate(void *poin)
575 {
576         if(poin) {
577                 RegionView3D *rv3d= poin, *new;
578         
579                 new= MEM_dupallocN(rv3d);
580                 if(rv3d->localvd) 
581                         new->localvd= MEM_dupallocN(rv3d->localvd);
582                 if(rv3d->clipbb) 
583                         new->clipbb= MEM_dupallocN(rv3d->clipbb);
584                 
585                 new->depths= NULL;
586                 new->ri= NULL;
587                 new->render_engine= NULL;
588                 new->gpd= NULL;
589                 new->sms= NULL;
590                 new->smooth_timer= NULL;
591                 
592                 return new;
593         }
594         return NULL;
595 }
596
597 static void view3d_recalc_used_layers(ARegion *ar, wmNotifier *wmn, Scene *scene)
598 {
599         wmWindow *win= wmn->wm->winactive;
600         ScrArea *sa;
601         unsigned int lay_used= 0;
602         Base *base;
603
604         if (!win) return;
605
606         base= scene->base.first;
607         while(base) {
608                 lay_used |= base->lay & ((1<<20)-1); /* ignore localview */
609
610                 if (lay_used == (1<<20)-1)
611                         break;
612
613                 base= base->next;
614         }
615
616         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
617                 if(sa->spacetype == SPACE_VIEW3D) {
618                         if(BLI_findindex(&sa->regionbase, ar) != -1) {
619                                 View3D *v3d= sa->spacedata.first;
620                                 v3d->lay_used= lay_used;
621                                 break;
622                         }
623                 }
624         }
625 }
626
627 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
628 {
629         bScreen *sc;
630
631         /* context changes */
632         switch(wmn->category) {
633                 case NC_ANIMATION:
634                         switch(wmn->data) {
635                                 case ND_KEYFRAME_PROP:
636                                 case ND_NLA_ACTCHANGE:
637                                         ED_region_tag_redraw(ar);
638                                         break;
639                                 case ND_NLA:
640                                 case ND_KEYFRAME:
641                                         if (wmn->action == NA_EDITED)
642                                                 ED_region_tag_redraw(ar);
643                                         break;
644                                 case ND_ANIMCHAN:
645                                         if (wmn->action == NA_SELECTED)
646                                                 ED_region_tag_redraw(ar);
647                                         break;
648                         }
649                         break;
650                 case NC_SCENE:
651                         switch(wmn->data) {
652                                 case ND_LAYER_CONTENT:
653                                         view3d_recalc_used_layers(ar, wmn, wmn->reference);
654                                         ED_region_tag_redraw(ar);
655                                         break;
656                                 case ND_FRAME:
657                                 case ND_TRANSFORM:
658                                 case ND_OB_ACTIVE:
659                                 case ND_OB_SELECT:
660                                 case ND_OB_VISIBLE:
661                                 case ND_LAYER:
662                                 case ND_RENDER_OPTIONS:
663                                 case ND_MODE:
664                                         ED_region_tag_redraw(ar);
665                                         break;
666                                 case ND_WORLD:
667                                         /* handled by space_view3d_listener() for v3d access */
668                                         break;
669                         }
670                         if (wmn->action == NA_EDITED)
671                                 ED_region_tag_redraw(ar);
672                         break;
673                 case NC_OBJECT:
674                         switch(wmn->data) {
675                                 case ND_BONE_ACTIVE:
676                                 case ND_BONE_SELECT:
677                                 case ND_TRANSFORM:
678                                 case ND_POSE:
679                                 case ND_DRAW:
680                                 case ND_MODIFIER:
681                                 case ND_CONSTRAINT:
682                                 case ND_KEYS:
683                                 case ND_PARTICLE:
684                                         ED_region_tag_redraw(ar);
685                                         break;
686                         }
687                         switch(wmn->action) {
688                                 case NA_ADDED:
689                                         ED_region_tag_redraw(ar);
690                                         break;
691                         }
692                         break;
693                 case NC_GEOM:
694                         switch(wmn->data) {
695                                 case ND_DATA:
696                                 case ND_SELECT:
697                                         ED_region_tag_redraw(ar);
698                                         break;
699                         }
700                         switch(wmn->action) {
701                                 case NA_EDITED:
702                                         ED_region_tag_redraw(ar);
703                                         break;
704                         }
705                         break;
706                 case NC_GROUP:
707                         /* all group ops for now */
708                         ED_region_tag_redraw(ar);
709                         break;
710                 case NC_BRUSH:
711                         if(wmn->action == NA_EDITED)
712                                 ED_region_tag_redraw_overlay(ar);
713                         break;                  
714                 case NC_MATERIAL:
715                         switch(wmn->data) {
716                                 case ND_SHADING_DRAW:
717                                         ED_region_tag_redraw(ar);
718                                         break;
719                         }
720                         break;
721                 case NC_WORLD:
722                         switch(wmn->data) {
723                                 case ND_WORLD_DRAW:
724                                         /* handled by space_view3d_listener() for v3d access */
725                                         break;
726                                 case ND_WORLD_STARS:
727                                 {
728                                         RegionView3D *rv3d= ar->regiondata;
729                                         if(rv3d->persp == RV3D_CAMOB) {
730                                                 ED_region_tag_redraw(ar);
731                                         }
732                                 }
733                         }
734                         break;
735                 case NC_LAMP:
736                         switch(wmn->data) {
737                                 case ND_LIGHTING_DRAW:
738                                         ED_region_tag_redraw(ar);
739                                         break;
740                         }
741                         break;
742                 case NC_IMAGE:  
743                         /* this could be more fine grained checks if we had
744                          * more context than just the region */
745                         ED_region_tag_redraw(ar);
746                         break;
747                 case NC_TEXTURE:        
748                         /* same as above */
749                         ED_region_tag_redraw(ar);
750                         break;
751                 case NC_MOVIECLIP:
752                         if(wmn->data==ND_DISPLAY)
753                                 ED_region_tag_redraw(ar);
754                         break;
755                 case NC_SPACE:
756                         if(wmn->data == ND_SPACE_VIEW3D) {
757                                 if (wmn->subtype == NS_VIEW3D_GPU) {
758                                         RegionView3D *rv3d= ar->regiondata;
759                                         rv3d->rflag |= RV3D_GPULIGHT_UPDATE;
760                                 }
761                                 ED_region_tag_redraw(ar);
762                         }
763                         break;
764                 case NC_ID:
765                         if(wmn->action == NA_RENAME)
766                                 ED_region_tag_redraw(ar);
767                         break;
768                 case NC_SCREEN:
769                         switch(wmn->data) {
770                                 case ND_GPENCIL:
771                                 case ND_ANIMPLAY:
772                                 case ND_SKETCH:
773                                         ED_region_tag_redraw(ar);
774                                         break;
775                                 case ND_SCREENBROWSE:
776                                 case ND_SCREENDELETE:
777                                 case ND_SCREENSET:
778                                         /* screen was changed, need to update used layers due to NC_SCENE|ND_LAYER_CONTENT */
779                                         /* updates used layers only for View3D in active screen */
780                                         sc= wmn->reference;
781                                         view3d_recalc_used_layers(ar, wmn, sc->scene);
782                                         ED_region_tag_redraw(ar);
783                                         break;
784                         }
785
786                         break;
787         }
788 }
789
790 /* concept is to retrieve cursor type context-less */
791 static void view3d_main_area_cursor(wmWindow *win, ScrArea *UNUSED(sa), ARegion *UNUSED(ar))
792 {
793         Scene *scene= win->screen->scene;
794
795         if(scene->obedit) {
796                 WM_cursor_set(win, CURSOR_EDIT);
797         }
798         else {
799                 WM_cursor_set(win, CURSOR_STD);
800         }
801 }
802
803 /* add handlers, stuff you only do once or on area/region changes */
804 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
805 {
806         wmKeyMap *keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
807         
808         WM_event_add_keymap_handler(&ar->handlers, keymap);
809
810         ED_region_header_init(ar);
811 }
812
813 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
814 {
815         ED_region_header(C, ar);
816 }
817
818 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
819 {
820         /* context changes */
821         switch(wmn->category) {
822                 case NC_SCENE:
823                         switch(wmn->data) {
824                                 case ND_FRAME:
825                                 case ND_OB_ACTIVE:
826                                 case ND_OB_SELECT:
827                                 case ND_OB_VISIBLE:
828                                 case ND_MODE:
829                                 case ND_LAYER:
830                                 case ND_TOOLSETTINGS:
831                                 case ND_LAYER_CONTENT:
832                                         ED_region_tag_redraw(ar);
833                                         break;
834                         }
835                         break;
836                 case NC_SPACE:
837                         if(wmn->data == ND_SPACE_VIEW3D)
838                                 ED_region_tag_redraw(ar);
839                         break;
840         }
841 }
842
843 /* add handlers, stuff you only do once or on area/region changes */
844 static void view3d_buttons_area_init(wmWindowManager *wm, ARegion *ar)
845 {
846         wmKeyMap *keymap;
847
848         ED_region_panels_init(wm, ar);
849         
850         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
851         WM_event_add_keymap_handler(&ar->handlers, keymap);
852 }
853
854 static void view3d_buttons_area_draw(const bContext *C, ARegion *ar)
855 {
856         ED_region_panels(C, ar, 1, NULL, -1);
857 }
858
859 static void view3d_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
860 {
861         /* context changes */
862         switch(wmn->category) {
863                 case NC_ANIMATION:
864                         switch(wmn->data) {
865                                 case ND_KEYFRAME_PROP:
866                                 case ND_NLA_ACTCHANGE:
867                                         ED_region_tag_redraw(ar);
868                                         break;
869                                 case ND_NLA:
870                                 case ND_KEYFRAME:
871                                         if (wmn->action == NA_EDITED)
872                                                 ED_region_tag_redraw(ar);
873                                         break;  
874                         }
875                         break;
876                 case NC_SCENE:
877                         switch(wmn->data) {
878                                 case ND_FRAME:
879                                 case ND_OB_ACTIVE:
880                                 case ND_OB_SELECT:
881                                 case ND_OB_VISIBLE:
882                                 case ND_MODE:
883                                 case ND_LAYER:
884                                 case ND_LAYER_CONTENT:
885                                 case ND_TOOLSETTINGS:
886                                         ED_region_tag_redraw(ar);
887                                         break;
888                         }
889                         switch(wmn->action) {
890                                 case NA_EDITED:
891                                         ED_region_tag_redraw(ar);
892                                         break;
893                         }
894                         break;
895                 case NC_OBJECT:
896                         switch(wmn->data) {
897                                 case ND_BONE_ACTIVE:
898                                 case ND_BONE_SELECT:
899                                 case ND_TRANSFORM:
900                                 case ND_POSE:
901                                 case ND_DRAW:
902                                 case ND_KEYS:
903                                 case ND_MODIFIER:
904                                         ED_region_tag_redraw(ar);
905                                         break;
906                         }
907                         break;
908                 case NC_GEOM:
909                         switch(wmn->data) {
910                                 case ND_DATA:
911                                 case ND_SELECT:
912                                         ED_region_tag_redraw(ar);
913                                         break;
914                         }
915                         if (wmn->action == NA_EDITED)
916                                 ED_region_tag_redraw(ar);
917                         break;
918                 case NC_TEXTURE:
919                         /* for brush textures */
920                         ED_region_tag_redraw(ar);
921                         break;
922                 case NC_BRUSH:
923                         if(wmn->action==NA_EDITED)
924                                 ED_region_tag_redraw(ar);
925                         break;
926                 case NC_SPACE:
927                         if(wmn->data == ND_SPACE_VIEW3D)
928                                 ED_region_tag_redraw(ar);
929                         break;
930                 case NC_ID:
931                         if(wmn->action == NA_RENAME)
932                                 ED_region_tag_redraw(ar);
933                         break;
934                 case NC_SCREEN: 
935                         if(wmn->data == ND_GPENCIL)
936                                 ED_region_tag_redraw(ar);
937                         break;
938         }
939 }
940
941 /* add handlers, stuff you only do once or on area/region changes */
942 static void view3d_tools_area_init(wmWindowManager *wm, ARegion *ar)
943 {
944         wmKeyMap *keymap;
945         
946         ED_region_panels_init(wm, ar);
947
948         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
949         WM_event_add_keymap_handler(&ar->handlers, keymap);
950 }
951
952 static void view3d_tools_area_draw(const bContext *C, ARegion *ar)
953 {
954         ED_region_panels(C, ar, 1, CTX_data_mode_string(C), -1);
955 }
956
957 static void view3d_props_area_listener(ARegion *ar, wmNotifier *wmn)
958 {
959         /* context changes */
960         switch(wmn->category) {
961                 case NC_WM:
962                         if(wmn->data == ND_HISTORY)
963                                 ED_region_tag_redraw(ar);
964                         break;
965                 case NC_SCENE:
966                         if(wmn->data == ND_MODE)
967                                 ED_region_tag_redraw(ar);
968                         break;
969                 case NC_SPACE:
970                         if(wmn->data == ND_SPACE_VIEW3D)
971                                 ED_region_tag_redraw(ar);
972                         break;
973         }
974 }
975
976 /*area (not region) level listener*/
977 static void space_view3d_listener(struct ScrArea *sa, struct wmNotifier *wmn)
978 {
979         View3D *v3d = sa->spacedata.first;
980
981         /* context changes */
982         switch(wmn->category) {
983                 case NC_SCENE:
984                         switch(wmn->data) {
985                                 case ND_WORLD:
986                                         if(v3d->flag2 & V3D_RENDER_OVERRIDE)
987                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
988                                         break;
989                         }
990                         break;
991                 case NC_WORLD:
992                         switch(wmn->data) {
993                                 case ND_WORLD_DRAW:
994                                         if(v3d->flag2 & V3D_RENDER_OVERRIDE)
995                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
996                                         break;
997                         }
998                         break;
999                 case NC_MATERIAL:
1000                         switch(wmn->data) {
1001                                 case ND_NODES:
1002                                         if(v3d->drawtype == OB_TEXTURE)
1003                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
1004                                         break;
1005                         }
1006                         break;
1007         }
1008
1009 #if 0 // removed since BKE_image_user_calc_frame is now called in draw_bgpic because screen_ops doesnt call the notifier.
1010         if (wmn->category == NC_SCENE && wmn->data == ND_FRAME) {
1011                 View3D *v3d = area->spacedata.first;
1012                 BGpic *bgpic = v3d->bgpicbase.first;
1013
1014                 for (; bgpic; bgpic = bgpic->next) {
1015                         if (bgpic->ima) {
1016                                 Scene *scene = wmn->reference;
1017                                 BKE_image_user_calc_frame(&bgpic->iuser, scene->r.cfra, 0);
1018                         }
1019                 }
1020         }
1021 #endif
1022 }
1023
1024 const char *view3d_context_dir[] = {
1025         "selected_objects", "selected_bases", "selected_editable_objects",
1026         "selected_editable_bases", "visible_objects", "visible_bases", "selectable_objects", "selectable_bases",
1027         "active_base", "active_object", NULL};
1028
1029 static int view3d_context(const bContext *C, const char *member, bContextDataResult *result)
1030 {
1031         View3D *v3d= CTX_wm_view3d(C);
1032         Scene *scene= CTX_data_scene(C);
1033         Base *base;
1034         unsigned int lay = v3d ? v3d->lay:scene->lay; /* fallback to the scene layer, allows duplicate and other oject operators to run outside the 3d view */
1035
1036         if(CTX_data_dir(member)) {
1037                 CTX_data_dir_set(result, view3d_context_dir);
1038         }
1039         else if(CTX_data_equals(member, "selected_objects") || CTX_data_equals(member, "selected_bases")) {
1040                 int selected_objects= CTX_data_equals(member, "selected_objects");
1041
1042                 for(base=scene->base.first; base; base=base->next) {
1043                         if((base->flag & SELECT) && (base->lay & lay)) {
1044                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1045                                         if(selected_objects)
1046                                                 CTX_data_id_list_add(result, &base->object->id);
1047                                         else
1048                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1049                                 }
1050                         }
1051                 }
1052                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1053                 return 1;
1054         }
1055         else if(CTX_data_equals(member, "selected_editable_objects") || CTX_data_equals(member, "selected_editable_bases")) {
1056                 int selected_editable_objects= CTX_data_equals(member, "selected_editable_objects");
1057
1058                 for(base=scene->base.first; base; base=base->next) {
1059                         if((base->flag & SELECT) && (base->lay & lay)) {
1060                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1061                                         if(0==object_is_libdata(base->object)) {
1062                                                 if(selected_editable_objects)
1063                                                         CTX_data_id_list_add(result, &base->object->id);
1064                                                 else
1065                                                         CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1066                                         }
1067                                 }
1068                         }
1069                 }
1070                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1071                 return 1;
1072         }
1073         else if(CTX_data_equals(member, "visible_objects") || CTX_data_equals(member, "visible_bases")) {
1074                 int visible_objects= CTX_data_equals(member, "visible_objects");
1075
1076                 for(base=scene->base.first; base; base=base->next) {
1077                         if(base->lay & lay) {
1078                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1079                                         if(visible_objects)
1080                                                 CTX_data_id_list_add(result, &base->object->id);
1081                                         else
1082                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1083                                 }
1084                         }
1085                 }
1086                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1087                 return 1;
1088         }
1089         else if(CTX_data_equals(member, "selectable_objects") || CTX_data_equals(member, "selectable_bases")) {
1090                 int selectable_objects= CTX_data_equals(member, "selectable_objects");
1091
1092                 for(base=scene->base.first; base; base=base->next) {
1093                         if(base->lay & lay) {
1094                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0 && (base->object->restrictflag & OB_RESTRICT_SELECT)==0) {
1095                                         if(selectable_objects)
1096                                                 CTX_data_id_list_add(result, &base->object->id);
1097                                         else
1098                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1099                                 }
1100                         }
1101                 }
1102                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1103                 return 1;
1104         }
1105         else if(CTX_data_equals(member, "active_base")) {
1106                 if(scene->basact && (scene->basact->lay & lay))
1107                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
1108                                 CTX_data_pointer_set(result, &scene->id, &RNA_ObjectBase, scene->basact);
1109                 
1110                 return 1;
1111         }
1112         else if(CTX_data_equals(member, "active_object")) {
1113                 if(scene->basact && (scene->basact->lay & lay))
1114                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
1115                                 CTX_data_id_pointer_set(result, &scene->basact->object->id);
1116                 
1117                 return 1;
1118         }
1119         else {
1120                 return 0; /* not found */
1121         }
1122
1123         return -1; /* found but not available */
1124 }
1125
1126
1127 /* only called once, from space/spacetypes.c */
1128 void ED_spacetype_view3d(void)
1129 {
1130         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype view3d");
1131         ARegionType *art;
1132         
1133         st->spaceid= SPACE_VIEW3D;
1134         strncpy(st->name, "View3D", BKE_ST_MAXNAME);
1135         
1136         st->new= view3d_new;
1137         st->free= view3d_free;
1138         st->init= view3d_init;
1139         st->listener = space_view3d_listener;
1140         st->duplicate= view3d_duplicate;
1141         st->operatortypes= view3d_operatortypes;
1142         st->keymap= view3d_keymap;
1143         st->dropboxes= view3d_dropboxes;
1144         st->context= view3d_context;
1145         
1146         /* regions: main window */
1147         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d main region");
1148         art->regionid = RGN_TYPE_WINDOW;
1149         art->keymapflag= ED_KEYMAP_GPENCIL;
1150         art->draw= view3d_main_area_draw;
1151         art->init= view3d_main_area_init;
1152         art->free= view3d_main_area_free;
1153         art->duplicate= view3d_main_area_duplicate;
1154         art->listener= view3d_main_area_listener;
1155         art->cursor= view3d_main_area_cursor;
1156         art->lock= 1;   /* can become flag, see BKE_spacedata_draw_locks */
1157         BLI_addhead(&st->regiontypes, art);
1158         
1159         /* regions: listview/buttons */
1160         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d buttons region");
1161         art->regionid = RGN_TYPE_UI;
1162         art->prefsizex= 180; // XXX
1163         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1164         art->listener= view3d_buttons_area_listener;
1165         art->init= view3d_buttons_area_init;
1166         art->draw= view3d_buttons_area_draw;
1167         BLI_addhead(&st->regiontypes, art);
1168
1169         view3d_buttons_register(art);
1170
1171         /* regions: tool(bar) */
1172         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d tools region");
1173         art->regionid = RGN_TYPE_TOOLS;
1174         art->prefsizex= 160; // XXX
1175         art->prefsizey= 50; // XXX
1176         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1177         art->listener= view3d_buttons_area_listener;
1178         art->init= view3d_tools_area_init;
1179         art->draw= view3d_tools_area_draw;
1180         BLI_addhead(&st->regiontypes, art);
1181         
1182 #if 0
1183         /* unfinished still */
1184         view3d_toolshelf_register(art);
1185 #endif
1186
1187         /* regions: tool properties */
1188         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d tool properties region");
1189         art->regionid = RGN_TYPE_TOOL_PROPS;
1190         art->prefsizex= 0;
1191         art->prefsizey= 120;
1192         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1193         art->listener= view3d_props_area_listener;
1194         art->init= view3d_tools_area_init;
1195         art->draw= view3d_tools_area_draw;
1196         BLI_addhead(&st->regiontypes, art);
1197         
1198         view3d_tool_props_register(art);
1199         
1200         
1201         /* regions: header */
1202         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d header region");
1203         art->regionid = RGN_TYPE_HEADER;
1204         art->prefsizey= HEADERY;
1205         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
1206         art->listener= view3d_header_area_listener;
1207         art->init= view3d_header_area_init;
1208         art->draw= view3d_header_area_draw;
1209         BLI_addhead(&st->regiontypes, art);
1210         
1211         BKE_spacetype_register(st);
1212 }
1213