ef806cb8881d508d0d5c41e3b4e591e78b6d9029
[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         mul_m4_m4m4(rv3d->viewmatob, ob->obmat, rv3d->viewmat);
208         mul_m4_m4m4(rv3d->persmatob, ob->obmat, rv3d->persmat);
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         
254         v3d->lens= 35.0f;
255         v3d->near= 0.01f;
256         v3d->far= 1000.0f;
257
258         v3d->twflag |= U.tw_flag & V3D_USE_MANIPULATOR;
259         v3d->twtype= V3D_MANIP_TRANSLATE;
260         v3d->around= V3D_CENTROID;
261         
262         /* header */
263         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
264         
265         BLI_addtail(&v3d->regionbase, ar);
266         ar->regiontype= RGN_TYPE_HEADER;
267         ar->alignment= RGN_ALIGN_BOTTOM;
268         
269         /* tool shelf */
270         ar= MEM_callocN(sizeof(ARegion), "toolshelf for view3d");
271         
272         BLI_addtail(&v3d->regionbase, ar);
273         ar->regiontype= RGN_TYPE_TOOLS;
274         ar->alignment= RGN_ALIGN_LEFT;
275         ar->flag = RGN_FLAG_HIDDEN;
276         
277         /* tool properties */
278         ar= MEM_callocN(sizeof(ARegion), "tool properties for view3d");
279         
280         BLI_addtail(&v3d->regionbase, ar);
281         ar->regiontype= RGN_TYPE_TOOL_PROPS;
282         ar->alignment= RGN_ALIGN_BOTTOM|RGN_SPLIT_PREV;
283         ar->flag = RGN_FLAG_HIDDEN;
284         
285         /* buttons/list view */
286         ar= MEM_callocN(sizeof(ARegion), "buttons for view3d");
287         
288         BLI_addtail(&v3d->regionbase, ar);
289         ar->regiontype= RGN_TYPE_UI;
290         ar->alignment= RGN_ALIGN_RIGHT;
291         ar->flag = RGN_FLAG_HIDDEN;
292         
293         /* main area */
294         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
295         
296         BLI_addtail(&v3d->regionbase, ar);
297         ar->regiontype= RGN_TYPE_WINDOW;
298         
299         ar->regiondata= MEM_callocN(sizeof(RegionView3D), "region view3d");
300         rv3d= ar->regiondata;
301         rv3d->viewquat[0]= 1.0f;
302         rv3d->persp= RV3D_PERSP;
303         rv3d->view= RV3D_VIEW_PERSPORTHO;
304         rv3d->dist= 10.0;
305         
306         return (SpaceLink *)v3d;
307 }
308
309 /* not spacelink itself */
310 static void view3d_free(SpaceLink *sl)
311 {
312         View3D *vd= (View3D *) sl;
313
314         BGpic *bgpic;
315         for(bgpic= vd->bgpicbase.first; bgpic; bgpic= bgpic->next) {
316                 if(bgpic->ima) bgpic->ima->id.us--;
317         }
318         BLI_freelistN(&vd->bgpicbase);
319
320         if(vd->localvd) MEM_freeN(vd->localvd);
321         
322         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
323 }
324
325
326 /* spacetype; init callback */
327 static void view3d_init(struct wmWindowManager *UNUSED(wm), ScrArea *UNUSED(sa))
328 {
329
330 }
331
332 static SpaceLink *view3d_duplicate(SpaceLink *sl)
333 {
334         View3D *v3do= (View3D *)sl;
335         View3D *v3dn= MEM_dupallocN(sl);
336         BGpic *bgpic;
337         
338         /* clear or remove stuff from old */
339         
340 // XXX  BIF_view3d_previewrender_free(v3do);
341         
342         if(v3do->localvd) {
343                 v3do->localvd= NULL;
344                 v3do->properties_storage= NULL;
345                 v3do->lay= v3dn->localvd->lay;
346                 v3do->lay &= 0xFFFFFF;
347         }
348
349         if(v3dn->drawtype == OB_RENDER)
350                 v3dn->drawtype = OB_SOLID;
351         
352         /* copy or clear inside new stuff */
353
354         BLI_duplicatelist(&v3dn->bgpicbase, &v3do->bgpicbase);
355         for(bgpic= v3dn->bgpicbase.first; bgpic; bgpic= bgpic->next)
356                 if(bgpic->ima)
357                         bgpic->ima->id.us++;
358
359         v3dn->properties_storage= NULL;
360         
361         return (SpaceLink *)v3dn;
362 }
363
364 /* add handlers, stuff you only do once or on area/region changes */
365 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
366 {
367         ListBase *lb;
368         wmKeyMap *keymap;
369
370         /* object ops. */
371         
372         /* important to be before Pose keymap since they can both be enabled at once */
373         keymap= WM_keymap_find(wm->defaultconf, "Face Mask", 0, 0);
374         WM_event_add_keymap_handler(&ar->handlers, keymap);
375         
376         
377         keymap= WM_keymap_find(wm->defaultconf, "Weight Paint Vertex Selection", 0, 0);
378         WM_event_add_keymap_handler(&ar->handlers, keymap);
379
380         /* pose is not modal, operator poll checks for this */
381         keymap= WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
382         WM_event_add_keymap_handler(&ar->handlers, keymap);
383         
384         keymap= WM_keymap_find(wm->defaultconf, "Object Mode", 0, 0);
385         WM_event_add_keymap_handler(&ar->handlers, keymap);
386
387         keymap= WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
388         WM_event_add_keymap_handler(&ar->handlers, keymap);
389
390         keymap= WM_keymap_find(wm->defaultconf, "Vertex Paint", 0, 0);
391         WM_event_add_keymap_handler(&ar->handlers, keymap);
392
393         keymap= WM_keymap_find(wm->defaultconf, "Weight Paint", 0, 0);
394         WM_event_add_keymap_handler(&ar->handlers, keymap);
395
396         keymap= WM_keymap_find(wm->defaultconf, "Sculpt", 0, 0);
397         WM_event_add_keymap_handler(&ar->handlers, keymap);
398         
399         keymap= WM_keymap_find(wm->defaultconf, "Mesh", 0, 0);
400         WM_event_add_keymap_handler(&ar->handlers, keymap);
401         
402         keymap= WM_keymap_find(wm->defaultconf, "Curve", 0, 0);
403         WM_event_add_keymap_handler(&ar->handlers, keymap);
404         
405         keymap= WM_keymap_find(wm->defaultconf, "Armature", 0, 0);
406         WM_event_add_keymap_handler(&ar->handlers, keymap);
407
408         keymap= WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
409         WM_event_add_keymap_handler(&ar->handlers, keymap);
410
411         keymap= WM_keymap_find(wm->defaultconf, "Metaball", 0, 0);
412         WM_event_add_keymap_handler(&ar->handlers, keymap);
413         
414         keymap= WM_keymap_find(wm->defaultconf, "Lattice", 0, 0);
415         WM_event_add_keymap_handler(&ar->handlers, keymap);
416
417         /* armature sketching needs to take over mouse */
418         keymap= WM_keymap_find(wm->defaultconf, "Armature Sketch", 0, 0);
419         WM_event_add_keymap_handler(&ar->handlers, keymap);
420
421         keymap= WM_keymap_find(wm->defaultconf, "Particle", 0, 0);
422         WM_event_add_keymap_handler(&ar->handlers, keymap);
423
424         /* editfont keymap swallows all... */
425         keymap= WM_keymap_find(wm->defaultconf, "Font", 0, 0);
426         WM_event_add_keymap_handler(&ar->handlers, keymap);
427
428         keymap= WM_keymap_find(wm->defaultconf, "Object Non-modal", 0, 0);
429         WM_event_add_keymap_handler(&ar->handlers, keymap);
430
431         keymap= WM_keymap_find(wm->defaultconf, "Frames", 0, 0);
432         WM_event_add_keymap_handler(&ar->handlers, keymap);
433
434         /* own keymap, last so modes can override it */
435         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
436         WM_event_add_keymap_handler(&ar->handlers, keymap);
437
438         keymap= WM_keymap_find(wm->defaultconf, "3D View", SPACE_VIEW3D, 0);
439         WM_event_add_keymap_handler(&ar->handlers, keymap);
440         
441         /* add drop boxes */
442         lb= WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
443         
444         WM_event_add_dropbox_handler(&ar->handlers, lb);
445         
446 }
447
448 static int view3d_ob_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
449 {
450         if(drag->type==WM_DRAG_ID) {
451                 ID *id= (ID *)drag->poin;
452                 if( GS(id->name)==ID_OB )
453                         return 1;
454         }
455         return 0;
456 }
457
458 static int view3d_mat_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
459 {
460         if(drag->type==WM_DRAG_ID) {
461                 ID *id= (ID *)drag->poin;
462                 if( GS(id->name)==ID_MA )
463                         return 1;
464         }
465         return 0;
466 }
467
468 static int view3d_ima_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
469 {
470         if(drag->type==WM_DRAG_ID) {
471                 ID *id= (ID *)drag->poin;
472                 if( GS(id->name)==ID_IM )
473                         return 1;
474         }
475         else if(drag->type==WM_DRAG_PATH){
476                 if(ELEM(drag->icon, 0, ICON_FILE_IMAGE))        /* rule might not work? */
477                         return 1;
478         }
479         return 0;
480 }
481
482
483 static int view3d_ima_bg_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
484 {
485         if( ED_view3d_give_base_under_cursor(C, event->mval) ) {
486                 return 0;
487         }
488         return view3d_ima_drop_poll(C, drag, event);
489 }
490
491 static int view3d_ima_ob_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
492 {
493         if( ED_view3d_give_base_under_cursor(C, event->mval) ) {
494                 return view3d_ima_drop_poll(C, drag, event);
495         }
496         return 0;
497 }
498
499 static void view3d_ob_drop_copy(wmDrag *drag, wmDropBox *drop)
500 {
501         ID *id= (ID *)drag->poin;
502         PointerRNA ptr;
503
504         /* need to put name in sub-operator in macro */
505         ptr= RNA_pointer_get(drop->ptr, "OBJECT_OT_add_named");
506         if(ptr.data)
507                 RNA_string_set(&ptr, "name", id->name+2);
508         else
509                 RNA_string_set(drop->ptr, "name", id->name+2);
510 }
511
512 static void view3d_id_drop_copy(wmDrag *drag, wmDropBox *drop)
513 {
514         ID *id= (ID *)drag->poin;
515         
516         RNA_string_set(drop->ptr, "name", id->name+2);
517 }
518
519 static void view3d_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
520 {
521         ID *id= (ID *)drag->poin;
522         
523         if(id)
524                 RNA_string_set(drop->ptr, "name", id->name+2);
525         if(drag->path[0]) 
526                 RNA_string_set(drop->ptr, "filepath", drag->path);
527 }
528
529
530 /* region dropbox definition */
531 static void view3d_dropboxes(void)
532 {
533         ListBase *lb= WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
534         
535         WM_dropbox_add(lb, "OBJECT_OT_add_named_cursor", view3d_ob_drop_poll, view3d_ob_drop_copy);
536         WM_dropbox_add(lb, "OBJECT_OT_drop_named_material", view3d_mat_drop_poll, view3d_id_drop_copy);
537         WM_dropbox_add(lb, "MESH_OT_drop_named_image", view3d_ima_ob_drop_poll, view3d_id_path_drop_copy);
538         WM_dropbox_add(lb, "VIEW3D_OT_background_image_add", view3d_ima_bg_drop_poll, view3d_id_path_drop_copy);
539 }
540
541
542
543 /* type callback, not region itself */
544 static void view3d_main_area_free(ARegion *ar)
545 {
546         RegionView3D *rv3d= ar->regiondata;
547         
548         if(rv3d) {
549                 if(rv3d->localvd) MEM_freeN(rv3d->localvd);
550                 if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
551
552                 // XXX  retopo_free_view_data(rv3d);
553                 if(rv3d->ri) { 
554                         // XXX          BIF_view3d_previewrender_free(rv3d);
555                 }
556
557                 if(rv3d->render_engine)
558                         RE_engine_free(rv3d->render_engine);
559                 
560                 if(rv3d->depths) {
561                         if(rv3d->depths->depths) MEM_freeN(rv3d->depths->depths);
562                         MEM_freeN(rv3d->depths);
563                 }
564                 MEM_freeN(rv3d);
565                 ar->regiondata= NULL;
566         }
567 }
568
569 /* copy regiondata */
570 static void *view3d_main_area_duplicate(void *poin)
571 {
572         if(poin) {
573                 RegionView3D *rv3d= poin, *new;
574         
575                 new= MEM_dupallocN(rv3d);
576                 if(rv3d->localvd) 
577                         new->localvd= MEM_dupallocN(rv3d->localvd);
578                 if(rv3d->clipbb) 
579                         new->clipbb= MEM_dupallocN(rv3d->clipbb);
580                 
581                 new->depths= NULL;
582                 new->ri= NULL;
583                 new->render_engine= NULL;
584                 new->gpd= NULL;
585                 new->sms= NULL;
586                 new->smooth_timer= NULL;
587                 
588                 return new;
589         }
590         return NULL;
591 }
592
593 static void view3d_recalc_used_layers(ARegion *ar, wmNotifier *wmn, Scene *scene)
594 {
595         wmWindow *win= wmn->wm->winactive;
596         ScrArea *sa;
597         unsigned int lay_used= 0;
598         Base *base;
599
600         if (!win) return;
601
602         base= scene->base.first;
603         while(base) {
604                 lay_used |= base->lay & ((1<<20)-1); /* ignore localview */
605
606                 if (lay_used == (1<<20)-1)
607                         break;
608
609                 base= base->next;
610         }
611
612         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
613                 if(sa->spacetype == SPACE_VIEW3D) {
614                         if(BLI_findindex(&sa->regionbase, ar) != -1) {
615                                 View3D *v3d= sa->spacedata.first;
616                                 v3d->lay_used= lay_used;
617                                 break;
618                         }
619                 }
620         }
621 }
622
623 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
624 {
625         bScreen *sc;
626
627         /* context changes */
628         switch(wmn->category) {
629                 case NC_ANIMATION:
630                         switch(wmn->data) {
631                                 case ND_KEYFRAME_PROP:
632                                 case ND_NLA_ACTCHANGE:
633                                         ED_region_tag_redraw(ar);
634                                         break;
635                                 case ND_NLA:
636                                 case ND_KEYFRAME:
637                                         if (wmn->action == NA_EDITED)
638                                                 ED_region_tag_redraw(ar);
639                                         break;
640                                 case ND_ANIMCHAN:
641                                         if (wmn->action == NA_SELECTED)
642                                                 ED_region_tag_redraw(ar);
643                                         break;
644                         }
645                         break;
646                 case NC_SCENE:
647                         switch(wmn->data) {
648                                 case ND_LAYER_CONTENT:
649                                         view3d_recalc_used_layers(ar, wmn, wmn->reference);
650                                         ED_region_tag_redraw(ar);
651                                         break;
652                                 case ND_FRAME:
653                                 case ND_TRANSFORM:
654                                 case ND_OB_ACTIVE:
655                                 case ND_OB_SELECT:
656                                 case ND_OB_VISIBLE:
657                                 case ND_LAYER:
658                                 case ND_RENDER_OPTIONS:
659                                 case ND_MODE:
660                                         ED_region_tag_redraw(ar);
661                                         break;
662                                 case ND_WORLD:
663                                         /* handled by space_view3d_listener() for v3d access */
664                                         break;
665                         }
666                         if (wmn->action == NA_EDITED)
667                                 ED_region_tag_redraw(ar);
668                         break;
669                 case NC_OBJECT:
670                         switch(wmn->data) {
671                                 case ND_BONE_ACTIVE:
672                                 case ND_BONE_SELECT:
673                                 case ND_TRANSFORM:
674                                 case ND_POSE:
675                                 case ND_DRAW:
676                                 case ND_MODIFIER:
677                                 case ND_CONSTRAINT:
678                                 case ND_KEYS:
679                                 case ND_PARTICLE:
680                                         ED_region_tag_redraw(ar);
681                                         break;
682                         }
683                         switch(wmn->action) {
684                                 case NA_ADDED:
685                                         ED_region_tag_redraw(ar);
686                                         break;
687                         }
688                         break;
689                 case NC_GEOM:
690                         switch(wmn->data) {
691                                 case ND_DATA:
692                                 case ND_SELECT:
693                                         ED_region_tag_redraw(ar);
694                                         break;
695                         }
696                         switch(wmn->action) {
697                                 case NA_EDITED:
698                                         ED_region_tag_redraw(ar);
699                                         break;
700                         }
701                         break;
702                 case NC_GROUP:
703                         /* all group ops for now */
704                         ED_region_tag_redraw(ar);
705                         break;
706                 case NC_BRUSH:
707                         if(wmn->action == NA_EDITED)
708                                 ED_region_tag_redraw_overlay(ar);
709                         break;                  
710                 case NC_MATERIAL:
711                         switch(wmn->data) {
712                                 case ND_SHADING_DRAW:
713                                         ED_region_tag_redraw(ar);
714                                         break;
715                         }
716                         break;
717                 case NC_WORLD:
718                         switch(wmn->data) {
719                                 case ND_WORLD_DRAW:
720                                         /* handled by space_view3d_listener() for v3d access */
721                                         break;
722                                 case ND_WORLD_STARS:
723                                 {
724                                         RegionView3D *rv3d= ar->regiondata;
725                                         if(rv3d->persp == RV3D_CAMOB) {
726                                                 ED_region_tag_redraw(ar);
727                                         }
728                                 }
729                         }
730                         break;
731                 case NC_LAMP:
732                         switch(wmn->data) {
733                                 case ND_LIGHTING_DRAW:
734                                         ED_region_tag_redraw(ar);
735                                         break;
736                         }
737                         break;
738                 case NC_IMAGE:  
739                         /* this could be more fine grained checks if we had
740                          * more context than just the region */
741                         ED_region_tag_redraw(ar);
742                         break;
743                 case NC_TEXTURE:        
744                         /* same as above */
745                         ED_region_tag_redraw(ar);
746                         break;
747                 case NC_SPACE:
748                         if(wmn->data == ND_SPACE_VIEW3D) {
749                                 if (wmn->subtype == NS_VIEW3D_GPU) {
750                                         RegionView3D *rv3d= ar->regiondata;
751                                         rv3d->rflag |= RV3D_GPULIGHT_UPDATE;
752                                 }
753                                 ED_region_tag_redraw(ar);
754                         }
755                         break;
756                 case NC_ID:
757                         if(wmn->action == NA_RENAME)
758                                 ED_region_tag_redraw(ar);
759                         break;
760                 case NC_SCREEN:
761                         switch(wmn->data) {
762                                 case ND_GPENCIL:
763                                 case ND_ANIMPLAY:
764                                 case ND_SKETCH:
765                                         ED_region_tag_redraw(ar);
766                                         break;
767                                 case ND_SCREENBROWSE:
768                                 case ND_SCREENDELETE:
769                                 case ND_SCREENSET:
770                                         /* screen was changed, need to update used layers due to NC_SCENE|ND_LAYER_CONTENT */
771                                         /* updates used layers only for View3D in active screen */
772                                         sc= wmn->reference;
773                                         view3d_recalc_used_layers(ar, wmn, sc->scene);
774                                         ED_region_tag_redraw(ar);
775                                         break;
776                         }
777
778                         break;
779         }
780 }
781
782 /* concept is to retrieve cursor type context-less */
783 static void view3d_main_area_cursor(wmWindow *win, ScrArea *UNUSED(sa), ARegion *UNUSED(ar))
784 {
785         Scene *scene= win->screen->scene;
786
787         if(scene->obedit) {
788                 WM_cursor_set(win, CURSOR_EDIT);
789         }
790         else {
791                 WM_cursor_set(win, CURSOR_STD);
792         }
793 }
794
795 /* add handlers, stuff you only do once or on area/region changes */
796 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
797 {
798         wmKeyMap *keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
799         
800         WM_event_add_keymap_handler(&ar->handlers, keymap);
801
802         ED_region_header_init(ar);
803 }
804
805 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
806 {
807         ED_region_header(C, ar);
808 }
809
810 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
811 {
812         /* context changes */
813         switch(wmn->category) {
814                 case NC_SCENE:
815                         switch(wmn->data) {
816                                 case ND_FRAME:
817                                 case ND_OB_ACTIVE:
818                                 case ND_OB_SELECT:
819                                 case ND_OB_VISIBLE:
820                                 case ND_MODE:
821                                 case ND_LAYER:
822                                 case ND_TOOLSETTINGS:
823                                 case ND_LAYER_CONTENT:
824                                         ED_region_tag_redraw(ar);
825                                         break;
826                         }
827                         break;
828                 case NC_SPACE:
829                         if(wmn->data == ND_SPACE_VIEW3D)
830                                 ED_region_tag_redraw(ar);
831                         break;
832         }
833 }
834
835 /* add handlers, stuff you only do once or on area/region changes */
836 static void view3d_buttons_area_init(wmWindowManager *wm, ARegion *ar)
837 {
838         wmKeyMap *keymap;
839
840         ED_region_panels_init(wm, ar);
841         
842         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
843         WM_event_add_keymap_handler(&ar->handlers, keymap);
844 }
845
846 static void view3d_buttons_area_draw(const bContext *C, ARegion *ar)
847 {
848         ED_region_panels(C, ar, 1, NULL, -1);
849 }
850
851 static void view3d_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
852 {
853         /* context changes */
854         switch(wmn->category) {
855                 case NC_ANIMATION:
856                         switch(wmn->data) {
857                                 case ND_KEYFRAME_PROP:
858                                 case ND_NLA_ACTCHANGE:
859                                         ED_region_tag_redraw(ar);
860                                         break;
861                                 case ND_NLA:
862                                 case ND_KEYFRAME:
863                                         if (wmn->action == NA_EDITED)
864                                                 ED_region_tag_redraw(ar);
865                                         break;  
866                         }
867                         break;
868                 case NC_SCENE:
869                         switch(wmn->data) {
870                                 case ND_FRAME:
871                                 case ND_OB_ACTIVE:
872                                 case ND_OB_SELECT:
873                                 case ND_OB_VISIBLE:
874                                 case ND_MODE:
875                                 case ND_LAYER:
876                                 case ND_LAYER_CONTENT:
877                                         ED_region_tag_redraw(ar);
878                                         break;
879                         }
880                         switch(wmn->action) {
881                                 case NA_EDITED:
882                                         ED_region_tag_redraw(ar);
883                                         break;
884                         }
885                         break;
886                 case NC_OBJECT:
887                         switch(wmn->data) {
888                                 case ND_BONE_ACTIVE:
889                                 case ND_BONE_SELECT:
890                                 case ND_TRANSFORM:
891                                 case ND_POSE:
892                                 case ND_DRAW:
893                                 case ND_KEYS:
894                                 case ND_MODIFIER:
895                                         ED_region_tag_redraw(ar);
896                                         break;
897                         }
898                         break;
899                 case NC_GEOM:
900                         switch(wmn->data) {
901                                 case ND_DATA:
902                                 case ND_SELECT:
903                                         ED_region_tag_redraw(ar);
904                                         break;
905                         }
906                         if (wmn->action == NA_EDITED)
907                                 ED_region_tag_redraw(ar);
908                         break;
909                 case NC_TEXTURE:
910                         /* for brush textures */
911                         ED_region_tag_redraw(ar);
912                         break;
913                 case NC_BRUSH:
914                         if(wmn->action==NA_EDITED)
915                                 ED_region_tag_redraw(ar);
916                         break;
917                 case NC_SPACE:
918                         if(wmn->data == ND_SPACE_VIEW3D)
919                                 ED_region_tag_redraw(ar);
920                         break;
921                 case NC_ID:
922                         if(wmn->action == NA_RENAME)
923                                 ED_region_tag_redraw(ar);
924                         break;
925                 case NC_SCREEN: 
926                         if(wmn->data == ND_GPENCIL)
927                                 ED_region_tag_redraw(ar);
928                         break;
929         }
930 }
931
932 /* add handlers, stuff you only do once or on area/region changes */
933 static void view3d_tools_area_init(wmWindowManager *wm, ARegion *ar)
934 {
935         wmKeyMap *keymap;
936         
937         ED_region_panels_init(wm, ar);
938
939         keymap= WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
940         WM_event_add_keymap_handler(&ar->handlers, keymap);
941 }
942
943 static void view3d_tools_area_draw(const bContext *C, ARegion *ar)
944 {
945         ED_region_panels(C, ar, 1, CTX_data_mode_string(C), -1);
946 }
947
948 static void view3d_props_area_listener(ARegion *ar, wmNotifier *wmn)
949 {
950         /* context changes */
951         switch(wmn->category) {
952                 case NC_WM:
953                         if(wmn->data == ND_HISTORY)
954                                 ED_region_tag_redraw(ar);
955                         break;
956                 case NC_SCENE:
957                         if(wmn->data == ND_MODE)
958                                 ED_region_tag_redraw(ar);
959                         break;
960                 case NC_SPACE:
961                         if(wmn->data == ND_SPACE_VIEW3D)
962                                 ED_region_tag_redraw(ar);
963                         break;
964         }
965 }
966
967 /*area (not region) level listener*/
968 static void space_view3d_listener(struct ScrArea *sa, struct wmNotifier *wmn)
969 {
970         View3D *v3d = sa->spacedata.first;
971
972         /* context changes */
973         switch(wmn->category) {
974                 case NC_SCENE:
975                         switch(wmn->data) {
976                                 case ND_WORLD:
977                                         if(v3d->flag2 & V3D_RENDER_OVERRIDE)
978                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
979                                         break;
980                         }
981                         break;
982                 case NC_WORLD:
983                         switch(wmn->data) {
984                                 case ND_WORLD_DRAW:
985                                         if(v3d->flag2 & V3D_RENDER_OVERRIDE)
986                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
987                                         break;
988                         }
989                         break;
990                 case NC_MATERIAL:
991                         switch(wmn->data) {
992                                 case ND_NODES:
993                                         if(v3d->drawtype == OB_TEXTURE)
994                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
995                                         break;
996                         }
997                         break;
998         }
999
1000 #if 0 // removed since BKE_image_user_calc_frame is now called in draw_bgpic because screen_ops doesnt call the notifier.
1001         if (wmn->category == NC_SCENE && wmn->data == ND_FRAME) {
1002                 View3D *v3d = area->spacedata.first;
1003                 BGpic *bgpic = v3d->bgpicbase.first;
1004
1005                 for (; bgpic; bgpic = bgpic->next) {
1006                         if (bgpic->ima) {
1007                                 Scene *scene = wmn->reference;
1008                                 BKE_image_user_calc_frame(&bgpic->iuser, scene->r.cfra, 0);
1009                         }
1010                 }
1011         }
1012 #endif
1013 }
1014
1015 const char *view3d_context_dir[] = {
1016         "selected_objects", "selected_bases", "selected_editable_objects",
1017         "selected_editable_bases", "visible_objects", "visible_bases", "selectable_objects", "selectable_bases",
1018         "active_base", "active_object", NULL};
1019
1020 static int view3d_context(const bContext *C, const char *member, bContextDataResult *result)
1021 {
1022         View3D *v3d= CTX_wm_view3d(C);
1023         Scene *scene= CTX_data_scene(C);
1024         Base *base;
1025         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 */
1026
1027         if(CTX_data_dir(member)) {
1028                 CTX_data_dir_set(result, view3d_context_dir);
1029         }
1030         else if(CTX_data_equals(member, "selected_objects") || CTX_data_equals(member, "selected_bases")) {
1031                 int selected_objects= CTX_data_equals(member, "selected_objects");
1032
1033                 for(base=scene->base.first; base; base=base->next) {
1034                         if((base->flag & SELECT) && (base->lay & lay)) {
1035                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1036                                         if(selected_objects)
1037                                                 CTX_data_id_list_add(result, &base->object->id);
1038                                         else
1039                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1040                                 }
1041                         }
1042                 }
1043                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1044                 return 1;
1045         }
1046         else if(CTX_data_equals(member, "selected_editable_objects") || CTX_data_equals(member, "selected_editable_bases")) {
1047                 int selected_editable_objects= CTX_data_equals(member, "selected_editable_objects");
1048
1049                 for(base=scene->base.first; base; base=base->next) {
1050                         if((base->flag & SELECT) && (base->lay & lay)) {
1051                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1052                                         if(0==object_is_libdata(base->object)) {
1053                                                 if(selected_editable_objects)
1054                                                         CTX_data_id_list_add(result, &base->object->id);
1055                                                 else
1056                                                         CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1057                                         }
1058                                 }
1059                         }
1060                 }
1061                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1062                 return 1;
1063         }
1064         else if(CTX_data_equals(member, "visible_objects") || CTX_data_equals(member, "visible_bases")) {
1065                 int visible_objects= CTX_data_equals(member, "visible_objects");
1066
1067                 for(base=scene->base.first; base; base=base->next) {
1068                         if(base->lay & lay) {
1069                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
1070                                         if(visible_objects)
1071                                                 CTX_data_id_list_add(result, &base->object->id);
1072                                         else
1073                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1074                                 }
1075                         }
1076                 }
1077                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1078                 return 1;
1079         }
1080         else if(CTX_data_equals(member, "selectable_objects") || CTX_data_equals(member, "selectable_bases")) {
1081                 int selectable_objects= CTX_data_equals(member, "selectable_objects");
1082
1083                 for(base=scene->base.first; base; base=base->next) {
1084                         if(base->lay & lay) {
1085                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0 && (base->object->restrictflag & OB_RESTRICT_SELECT)==0) {
1086                                         if(selectable_objects)
1087                                                 CTX_data_id_list_add(result, &base->object->id);
1088                                         else
1089                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1090                                 }
1091                         }
1092                 }
1093                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1094                 return 1;
1095         }
1096         else if(CTX_data_equals(member, "active_base")) {
1097                 if(scene->basact && (scene->basact->lay & lay))
1098                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
1099                                 CTX_data_pointer_set(result, &scene->id, &RNA_ObjectBase, scene->basact);
1100                 
1101                 return 1;
1102         }
1103         else if(CTX_data_equals(member, "active_object")) {
1104                 if(scene->basact && (scene->basact->lay & lay))
1105                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
1106                                 CTX_data_id_pointer_set(result, &scene->basact->object->id);
1107                 
1108                 return 1;
1109         }
1110         else {
1111                 return 0; /* not found */
1112         }
1113
1114         return -1; /* found but not available */
1115 }
1116
1117
1118 /* only called once, from space/spacetypes.c */
1119 void ED_spacetype_view3d(void)
1120 {
1121         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype view3d");
1122         ARegionType *art;
1123         
1124         st->spaceid= SPACE_VIEW3D;
1125         strncpy(st->name, "View3D", BKE_ST_MAXNAME);
1126         
1127         st->new= view3d_new;
1128         st->free= view3d_free;
1129         st->init= view3d_init;
1130         st->listener = space_view3d_listener;
1131         st->duplicate= view3d_duplicate;
1132         st->operatortypes= view3d_operatortypes;
1133         st->keymap= view3d_keymap;
1134         st->dropboxes= view3d_dropboxes;
1135         st->context= view3d_context;
1136         
1137         /* regions: main window */
1138         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d main region");
1139         art->regionid = RGN_TYPE_WINDOW;
1140         art->keymapflag= ED_KEYMAP_GPENCIL;
1141         art->draw= view3d_main_area_draw;
1142         art->init= view3d_main_area_init;
1143         art->free= view3d_main_area_free;
1144         art->duplicate= view3d_main_area_duplicate;
1145         art->listener= view3d_main_area_listener;
1146         art->cursor= view3d_main_area_cursor;
1147         art->lock= 1;   /* can become flag, see BKE_spacedata_draw_locks */
1148         BLI_addhead(&st->regiontypes, art);
1149         
1150         /* regions: listview/buttons */
1151         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d buttons region");
1152         art->regionid = RGN_TYPE_UI;
1153         art->prefsizex= 180; // XXX
1154         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1155         art->listener= view3d_buttons_area_listener;
1156         art->init= view3d_buttons_area_init;
1157         art->draw= view3d_buttons_area_draw;
1158         BLI_addhead(&st->regiontypes, art);
1159
1160         view3d_buttons_register(art);
1161
1162         /* regions: tool(bar) */
1163         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d tools region");
1164         art->regionid = RGN_TYPE_TOOLS;
1165         art->prefsizex= 160; // XXX
1166         art->prefsizey= 50; // XXX
1167         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1168         art->listener= view3d_buttons_area_listener;
1169         art->init= view3d_tools_area_init;
1170         art->draw= view3d_tools_area_draw;
1171         BLI_addhead(&st->regiontypes, art);
1172         
1173 #if 0
1174         /* unfinished still */
1175         view3d_toolshelf_register(art);
1176 #endif
1177
1178         /* regions: tool properties */
1179         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d tool properties region");
1180         art->regionid = RGN_TYPE_TOOL_PROPS;
1181         art->prefsizex= 0;
1182         art->prefsizey= 120;
1183         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1184         art->listener= view3d_props_area_listener;
1185         art->init= view3d_tools_area_init;
1186         art->draw= view3d_tools_area_draw;
1187         BLI_addhead(&st->regiontypes, art);
1188         
1189         view3d_tool_props_register(art);
1190         
1191         
1192         /* regions: header */
1193         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d header region");
1194         art->regionid = RGN_TYPE_HEADER;
1195         art->prefsizey= HEADERY;
1196         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
1197         art->listener= view3d_header_area_listener;
1198         art->init= view3d_header_area_init;
1199         art->draw= view3d_header_area_draw;
1200         BLI_addhead(&st->regiontypes, art);
1201         
1202         BKE_spacetype_register(st);
1203 }
1204