fix [#33501] Grease pencil in OpenGL render
[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;
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 int ED_view3d_context_user_region(bContext *C, View3D **v3d_r, ARegion **ar_r)
158 {
159         ScrArea *sa = CTX_wm_area(C);
160
161         *v3d_r = NULL;
162         *ar_r = NULL;
163
164         if (sa && sa->spacetype == SPACE_VIEW3D) {
165                 ARegion *ar = CTX_wm_region(C);
166                 View3D *v3d = (View3D *)sa->spacedata.first;
167
168                 if (ar) {
169                         RegionView3D *rv3d = ar->regiondata;
170                         if (rv3d && rv3d->viewlock == 0) {
171                                 *v3d_r = v3d;
172                                 *ar_r = ar;
173                                 return 1;
174                         }
175                         else {
176                                 ARegion *ar_unlock_user = NULL;
177                                 ARegion *ar_unlock = NULL;
178                                 for (ar = sa->regionbase.first; ar; ar = ar->next) {
179                                         /* find the first unlocked rv3d */
180                                         if (ar->regiondata && ar->regiontype == RGN_TYPE_WINDOW) {
181                                                 rv3d = ar->regiondata;
182                                                 if (rv3d->viewlock == 0) {
183                                                         ar_unlock = ar;
184                                                         if (rv3d->persp == RV3D_PERSP || rv3d->persp == RV3D_CAMOB) {
185                                                                 ar_unlock_user = ar;
186                                                                 break;
187                                                         }
188                                                 }
189                                         }
190                                 }
191
192                                 /* camera/perspective view get priority when the active region is locked */
193                                 if (ar_unlock_user) {
194                                         *v3d_r = v3d;
195                                         *ar_r = ar_unlock_user;
196                                         return 1;
197                                 }
198
199                                 if (ar_unlock) {
200                                         *v3d_r = v3d;
201                                         *ar_r = ar_unlock;
202                                         return 1;
203                                 }
204                         }
205                 }
206         }
207
208         return 0;
209 }
210
211 /* Most of the time this isn't needed since you could assume the view matrix was
212  * set while drawing, however when functions like mesh_foreachScreenVert are
213  * called by selection tools, we can't be sure this object was the last.
214  *
215  * for example, transparent objects are drawn after editmode and will cause
216  * the rv3d mat's to change and break selection.
217  *
218  * 'ED_view3d_init_mats_rv3d' should be called before
219  * view3d_project_short_clip and view3d_project_short_noclip in cases where
220  * these functions are not used during draw_object
221  */
222 void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d)
223 {
224         /* local viewmat and persmat, to calculate projections */
225         mult_m4_m4m4(rv3d->viewmatob, rv3d->viewmat, ob->obmat);
226         mult_m4_m4m4(rv3d->persmatob, rv3d->persmat, ob->obmat);
227
228         /* initializes object space clipping, speeds up clip tests */
229         ED_view3d_clipping_local(rv3d, ob->obmat);
230 }
231
232 void ED_view3d_init_mats_rv3d_gl(struct Object *ob, struct RegionView3D *rv3d)
233 {
234         ED_view3d_init_mats_rv3d(ob, rv3d);
235
236         /* we have to multiply instead of loading viewmatob to make
237          * it work with duplis using displists, otherwise it will
238          * override the dupli-matrix */
239         glMultMatrixf(ob->obmat);
240 }
241
242 /* ******************** default callbacks for view3d space ***************** */
243
244 static SpaceLink *view3d_new(const bContext *C)
245 {
246         Scene *scene = CTX_data_scene(C);
247         ARegion *ar;
248         View3D *v3d;
249         RegionView3D *rv3d;
250         
251         v3d = MEM_callocN(sizeof(View3D), "initview3d");
252         v3d->spacetype = SPACE_VIEW3D;
253         v3d->blockscale = 0.7f;
254         v3d->lay = v3d->layact = 1;
255         if (scene) {
256                 v3d->lay = v3d->layact = scene->lay;
257                 v3d->camera = scene->camera;
258         }
259         v3d->scenelock = TRUE;
260         v3d->grid = 1.0f;
261         v3d->gridlines = 16;
262         v3d->gridsubdiv = 10;
263         v3d->drawtype = OB_SOLID;
264
265         v3d->gridflag = V3D_SHOW_X | V3D_SHOW_Y | V3D_SHOW_FLOOR;
266         
267         v3d->flag = V3D_SELECT_OUTLINE;
268         v3d->flag2 = V3D_SHOW_RECONSTRUCTION | V3D_SHOW_GPENCIL;
269         
270         v3d->lens = 35.0f;
271         v3d->near = 0.01f;
272         v3d->far = 1000.0f;
273
274         v3d->twflag |= U.tw_flag & V3D_USE_MANIPULATOR;
275         v3d->twtype = V3D_MANIP_TRANSLATE;
276         v3d->around = V3D_CENTROID;
277         
278         v3d->bundle_size = 0.2f;
279         v3d->bundle_drawtype = OB_PLAINAXES;
280         
281         /* header */
282         ar = MEM_callocN(sizeof(ARegion), "header for view3d");
283         
284         BLI_addtail(&v3d->regionbase, ar);
285         ar->regiontype = RGN_TYPE_HEADER;
286         ar->alignment = RGN_ALIGN_BOTTOM;
287         
288         /* tool shelf */
289         ar = MEM_callocN(sizeof(ARegion), "toolshelf for view3d");
290         
291         BLI_addtail(&v3d->regionbase, ar);
292         ar->regiontype = RGN_TYPE_TOOLS;
293         ar->alignment = RGN_ALIGN_LEFT;
294         ar->flag = RGN_FLAG_HIDDEN;
295         
296         /* tool properties */
297         ar = MEM_callocN(sizeof(ARegion), "tool properties for view3d");
298         
299         BLI_addtail(&v3d->regionbase, ar);
300         ar->regiontype = RGN_TYPE_TOOL_PROPS;
301         ar->alignment = RGN_ALIGN_BOTTOM | RGN_SPLIT_PREV;
302         ar->flag = RGN_FLAG_HIDDEN;
303         
304         /* buttons/list view */
305         ar = MEM_callocN(sizeof(ARegion), "buttons for view3d");
306         
307         BLI_addtail(&v3d->regionbase, ar);
308         ar->regiontype = RGN_TYPE_UI;
309         ar->alignment = RGN_ALIGN_RIGHT;
310         ar->flag = RGN_FLAG_HIDDEN;
311         
312         /* main area */
313         ar = MEM_callocN(sizeof(ARegion), "main area for view3d");
314         
315         BLI_addtail(&v3d->regionbase, ar);
316         ar->regiontype = RGN_TYPE_WINDOW;
317         
318         ar->regiondata = MEM_callocN(sizeof(RegionView3D), "region view3d");
319         rv3d = ar->regiondata;
320         rv3d->viewquat[0] = 1.0f;
321         rv3d->persp = RV3D_PERSP;
322         rv3d->view = RV3D_VIEW_PERSPORTHO;
323         rv3d->dist = 10.0;
324         
325         return (SpaceLink *)v3d;
326 }
327
328 /* not spacelink itself */
329 static void view3d_free(SpaceLink *sl)
330 {
331         View3D *vd = (View3D *) sl;
332
333         BLI_freelistN(&vd->bgpicbase);
334
335         if (vd->localvd) MEM_freeN(vd->localvd);
336         
337         if (vd->properties_storage) MEM_freeN(vd->properties_storage);
338 }
339
340
341 /* spacetype; init callback */
342 static void view3d_init(struct wmWindowManager *UNUSED(wm), ScrArea *UNUSED(sa))
343 {
344
345 }
346
347 static SpaceLink *view3d_duplicate(SpaceLink *sl)
348 {
349         View3D *v3do = (View3D *)sl;
350         View3D *v3dn = MEM_dupallocN(sl);
351         
352         /* clear or remove stuff from old */
353         
354 // XXX  BIF_view3d_previewrender_free(v3do);
355         
356         if (v3do->localvd) {
357                 v3do->localvd = NULL;
358                 v3do->properties_storage = NULL;
359                 v3do->lay = v3dn->localvd->lay;
360                 v3do->lay &= 0xFFFFFF;
361         }
362
363         if (v3dn->drawtype == OB_RENDER)
364                 v3dn->drawtype = OB_SOLID;
365         
366         /* copy or clear inside new stuff */
367
368         BLI_duplicatelist(&v3dn->bgpicbase, &v3do->bgpicbase);
369
370         v3dn->properties_storage = NULL;
371         
372         return (SpaceLink *)v3dn;
373 }
374
375 /* add handlers, stuff you only do once or on area/region changes */
376 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
377 {
378         ListBase *lb;
379         wmKeyMap *keymap;
380
381         /* object ops. */
382         
383         /* important to be before Pose keymap since they can both be enabled at once */
384         keymap = WM_keymap_find(wm->defaultconf, "Face Mask", 0, 0);
385         WM_event_add_keymap_handler(&ar->handlers, keymap);
386         
387         
388         keymap = WM_keymap_find(wm->defaultconf, "Weight Paint Vertex Selection", 0, 0);
389         WM_event_add_keymap_handler(&ar->handlers, keymap);
390
391         /* pose is not modal, operator poll checks for this */
392         keymap = WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
393         WM_event_add_keymap_handler(&ar->handlers, keymap);
394         
395         keymap = WM_keymap_find(wm->defaultconf, "Object Mode", 0, 0);
396         WM_event_add_keymap_handler(&ar->handlers, keymap);
397
398         keymap = WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
399         WM_event_add_keymap_handler(&ar->handlers, keymap);
400
401         keymap = WM_keymap_find(wm->defaultconf, "Vertex Paint", 0, 0);
402         WM_event_add_keymap_handler(&ar->handlers, keymap);
403
404         keymap = WM_keymap_find(wm->defaultconf, "Weight Paint", 0, 0);
405         WM_event_add_keymap_handler(&ar->handlers, keymap);
406
407         keymap = WM_keymap_find(wm->defaultconf, "Sculpt", 0, 0);
408         WM_event_add_keymap_handler(&ar->handlers, keymap);
409         
410         keymap = WM_keymap_find(wm->defaultconf, "Mesh", 0, 0);
411         WM_event_add_keymap_handler(&ar->handlers, keymap);
412         
413         keymap = WM_keymap_find(wm->defaultconf, "Curve", 0, 0);
414         WM_event_add_keymap_handler(&ar->handlers, keymap);
415         
416         keymap = WM_keymap_find(wm->defaultconf, "Armature", 0, 0);
417         WM_event_add_keymap_handler(&ar->handlers, keymap);
418
419         keymap = WM_keymap_find(wm->defaultconf, "Pose", 0, 0);
420         WM_event_add_keymap_handler(&ar->handlers, keymap);
421
422         keymap = WM_keymap_find(wm->defaultconf, "Metaball", 0, 0);
423         WM_event_add_keymap_handler(&ar->handlers, keymap);
424         
425         keymap = WM_keymap_find(wm->defaultconf, "Lattice", 0, 0);
426         WM_event_add_keymap_handler(&ar->handlers, keymap);
427
428         /* armature sketching needs to take over mouse */
429         keymap = WM_keymap_find(wm->defaultconf, "Armature Sketch", 0, 0);
430         WM_event_add_keymap_handler(&ar->handlers, keymap);
431
432         keymap = WM_keymap_find(wm->defaultconf, "Particle", 0, 0);
433         WM_event_add_keymap_handler(&ar->handlers, keymap);
434
435         /* editfont keymap swallows all... */
436         keymap = WM_keymap_find(wm->defaultconf, "Font", 0, 0);
437         WM_event_add_keymap_handler(&ar->handlers, keymap);
438
439         keymap = WM_keymap_find(wm->defaultconf, "Object Non-modal", 0, 0);
440         WM_event_add_keymap_handler(&ar->handlers, keymap);
441
442         keymap = WM_keymap_find(wm->defaultconf, "Frames", 0, 0);
443         WM_event_add_keymap_handler(&ar->handlers, keymap);
444
445         /* own keymap, last so modes can override it */
446         keymap = WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
447         WM_event_add_keymap_handler(&ar->handlers, keymap);
448
449         keymap = WM_keymap_find(wm->defaultconf, "3D View", SPACE_VIEW3D, 0);
450         WM_event_add_keymap_handler(&ar->handlers, keymap);
451         
452         /* add drop boxes */
453         lb = WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
454         
455         WM_event_add_dropbox_handler(&ar->handlers, lb);
456         
457 }
458
459 static int view3d_ob_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
460 {
461         if (drag->type == WM_DRAG_ID) {
462                 ID *id = (ID *)drag->poin;
463                 if (GS(id->name) == ID_OB)
464                         return 1;
465         }
466         return 0;
467 }
468
469 static int view3d_mat_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
470 {
471         if (drag->type == WM_DRAG_ID) {
472                 ID *id = (ID *)drag->poin;
473                 if (GS(id->name) == ID_MA)
474                         return 1;
475         }
476         return 0;
477 }
478
479 static int view3d_ima_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
480 {
481         if (drag->type == WM_DRAG_ID) {
482                 ID *id = (ID *)drag->poin;
483                 if (GS(id->name) == ID_IM)
484                         return 1;
485         }
486         else if (drag->type == WM_DRAG_PATH) {
487                 if (ELEM(drag->icon, 0, ICON_FILE_IMAGE))   /* rule might not work? */
488                         return 1;
489         }
490         return 0;
491 }
492
493
494 static int view3d_ima_bg_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
495 {
496         if (ED_view3d_give_base_under_cursor(C, event->mval) ) {
497                 return 0;
498         }
499         return view3d_ima_drop_poll(C, drag, event);
500 }
501
502 static int view3d_ima_ob_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
503 {
504         if (ED_view3d_give_base_under_cursor(C, event->mval) ) {
505                 return view3d_ima_drop_poll(C, drag, event);
506         }
507         return 0;
508 }
509
510 static void view3d_ob_drop_copy(wmDrag *drag, wmDropBox *drop)
511 {
512         ID *id = (ID *)drag->poin;
513         PointerRNA ptr;
514
515         /* need to put name in sub-operator in macro */
516         ptr = RNA_pointer_get(drop->ptr, "OBJECT_OT_add_named");
517         if (ptr.data)
518                 RNA_string_set(&ptr, "name", id->name + 2);
519         else
520                 RNA_string_set(drop->ptr, "name", id->name + 2);
521 }
522
523 static void view3d_id_drop_copy(wmDrag *drag, wmDropBox *drop)
524 {
525         ID *id = (ID *)drag->poin;
526         
527         RNA_string_set(drop->ptr, "name", id->name + 2);
528 }
529
530 static void view3d_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
531 {
532         ID *id = (ID *)drag->poin;
533         
534         if (id)
535                 RNA_string_set(drop->ptr, "name", id->name + 2);
536         if (drag->path[0])
537                 RNA_string_set(drop->ptr, "filepath", drag->path);
538 }
539
540
541 /* region dropbox definition */
542 static void view3d_dropboxes(void)
543 {
544         ListBase *lb = WM_dropboxmap_find("View3D", SPACE_VIEW3D, RGN_TYPE_WINDOW);
545         
546         WM_dropbox_add(lb, "OBJECT_OT_add_named_cursor", view3d_ob_drop_poll, view3d_ob_drop_copy);
547         WM_dropbox_add(lb, "OBJECT_OT_drop_named_material", view3d_mat_drop_poll, view3d_id_drop_copy);
548         WM_dropbox_add(lb, "MESH_OT_drop_named_image", view3d_ima_ob_drop_poll, view3d_id_path_drop_copy);
549         WM_dropbox_add(lb, "VIEW3D_OT_background_image_add", view3d_ima_bg_drop_poll, view3d_id_path_drop_copy);
550 }
551
552
553
554 /* type callback, not region itself */
555 static void view3d_main_area_free(ARegion *ar)
556 {
557         RegionView3D *rv3d = ar->regiondata;
558         
559         if (rv3d) {
560                 if (rv3d->localvd) MEM_freeN(rv3d->localvd);
561                 if (rv3d->clipbb) MEM_freeN(rv3d->clipbb);
562
563                 if (rv3d->ri) {
564                         // XXX          BIF_view3d_previewrender_free(rv3d);
565                 }
566
567                 if (rv3d->render_engine)
568                         RE_engine_free(rv3d->render_engine);
569                 
570                 if (rv3d->depths) {
571                         if (rv3d->depths->depths) MEM_freeN(rv3d->depths->depths);
572                         MEM_freeN(rv3d->depths);
573                 }
574                 MEM_freeN(rv3d);
575                 ar->regiondata = NULL;
576         }
577 }
578
579 /* copy regiondata */
580 static void *view3d_main_area_duplicate(void *poin)
581 {
582         if (poin) {
583                 RegionView3D *rv3d = poin, *new;
584         
585                 new = MEM_dupallocN(rv3d);
586                 if (rv3d->localvd)
587                         new->localvd = MEM_dupallocN(rv3d->localvd);
588                 if (rv3d->clipbb)
589                         new->clipbb = MEM_dupallocN(rv3d->clipbb);
590                 
591                 new->depths = NULL;
592                 new->ri = NULL;
593                 new->render_engine = NULL;
594                 new->gpd = NULL;
595                 new->sms = NULL;
596                 new->smooth_timer = NULL;
597                 
598                 return new;
599         }
600         return NULL;
601 }
602
603 static void view3d_recalc_used_layers(ARegion *ar, wmNotifier *wmn, Scene *scene)
604 {
605         wmWindow *win = wmn->wm->winactive;
606         ScrArea *sa;
607         unsigned int lay_used = 0;
608         Base *base;
609
610         if (!win) return;
611
612         base = scene->base.first;
613         while (base) {
614                 lay_used |= base->lay & ((1 << 20) - 1); /* ignore localview */
615
616                 if (lay_used == (1 << 20) - 1)
617                         break;
618
619                 base = base->next;
620         }
621
622         for (sa = win->screen->areabase.first; sa; sa = sa->next) {
623                 if (sa->spacetype == SPACE_VIEW3D) {
624                         if (BLI_findindex(&sa->regionbase, ar) != -1) {
625                                 View3D *v3d = sa->spacedata.first;
626                                 v3d->lay_used = lay_used;
627                                 break;
628                         }
629                 }
630         }
631 }
632
633 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
634 {
635         bScreen *sc;
636
637         /* context changes */
638         switch (wmn->category) {
639                 case NC_ANIMATION:
640                         switch (wmn->data) {
641                                 case ND_KEYFRAME_PROP:
642                                 case ND_NLA_ACTCHANGE:
643                                         ED_region_tag_redraw(ar);
644                                         break;
645                                 case ND_NLA:
646                                 case ND_KEYFRAME:
647                                         if (wmn->action == NA_EDITED)
648                                                 ED_region_tag_redraw(ar);
649                                         break;
650                                 case ND_ANIMCHAN:
651                                         if (wmn->action == NA_SELECTED)
652                                                 ED_region_tag_redraw(ar);
653                                         break;
654                         }
655                         break;
656                 case NC_SCENE:
657                         switch (wmn->data) {
658                                 case ND_LAYER_CONTENT:
659                                         view3d_recalc_used_layers(ar, wmn, wmn->reference);
660                                         ED_region_tag_redraw(ar);
661                                         break;
662                                 case ND_FRAME:
663                                 case ND_TRANSFORM:
664                                 case ND_OB_ACTIVE:
665                                 case ND_OB_SELECT:
666                                 case ND_OB_VISIBLE:
667                                 case ND_LAYER:
668                                 case ND_RENDER_OPTIONS:
669                                 case ND_MODE:
670                                         ED_region_tag_redraw(ar);
671                                         break;
672                                 case ND_WORLD:
673                                         /* handled by space_view3d_listener() for v3d access */
674                                         break;
675                         }
676                         if (wmn->action == NA_EDITED)
677                                 ED_region_tag_redraw(ar);
678                         break;
679                 case NC_OBJECT:
680                         switch (wmn->data) {
681                                 case ND_BONE_ACTIVE:
682                                 case ND_BONE_SELECT:
683                                 case ND_TRANSFORM:
684                                 case ND_POSE:
685                                 case ND_DRAW:
686                                 case ND_MODIFIER:
687                                 case ND_CONSTRAINT:
688                                 case ND_KEYS:
689                                 case ND_PARTICLE:
690                                         ED_region_tag_redraw(ar);
691                                         break;
692                         }
693                         switch (wmn->action) {
694                                 case NA_ADDED:
695                                         ED_region_tag_redraw(ar);
696                                         break;
697                         }
698                         break;
699                 case NC_GEOM:
700                         switch (wmn->data) {
701                                 case ND_DATA:
702                                 case ND_VERTEX_GROUP:
703                                 case ND_SELECT:
704                                         ED_region_tag_redraw(ar);
705                                         break;
706                         }
707                         switch (wmn->action) {
708                                 case NA_EDITED:
709                                         ED_region_tag_redraw(ar);
710                                         break;
711                         }
712                         break;
713                 case NC_GROUP:
714                         /* all group ops for now */
715                         ED_region_tag_redraw(ar);
716                         break;
717                 case NC_BRUSH:
718                         if (wmn->action == NA_EDITED)
719                                 ED_region_tag_redraw_overlay(ar);
720                         break;
721                 case NC_MATERIAL:
722                         switch (wmn->data) {
723                                 case ND_SHADING_DRAW:
724                                 case ND_SHADING_LINKS:
725                                         ED_region_tag_redraw(ar);
726                                         break;
727                         }
728                         break;
729                 case NC_WORLD:
730                         switch (wmn->data) {
731                                 case ND_WORLD_DRAW:
732                                         /* handled by space_view3d_listener() for v3d access */
733                                         break;
734                                 case ND_WORLD_STARS:
735                                 {
736                                         RegionView3D *rv3d = ar->regiondata;
737                                         if (rv3d->persp == RV3D_CAMOB) {
738                                                 ED_region_tag_redraw(ar);
739                                         }
740                                 }
741                         }
742                         break;
743                 case NC_LAMP:
744                         switch (wmn->data) {
745                                 case ND_LIGHTING_DRAW:
746                                         ED_region_tag_redraw(ar);
747                                         break;
748                         }
749                         break;
750                 case NC_IMAGE:
751                         /* this could be more fine grained checks if we had
752                          * more context than just the region */
753                         ED_region_tag_redraw(ar);
754                         break;
755                 case NC_TEXTURE:
756                         /* same as above */
757                         ED_region_tag_redraw(ar);
758                         break;
759                 case NC_MOVIECLIP:
760                         if (wmn->data == ND_DISPLAY)
761                                 ED_region_tag_redraw(ar);
762                         break;
763                 case NC_SPACE:
764                         if (wmn->data == ND_SPACE_VIEW3D) {
765                                 if (wmn->subtype == NS_VIEW3D_GPU) {
766                                         RegionView3D *rv3d = ar->regiondata;
767                                         rv3d->rflag |= RV3D_GPULIGHT_UPDATE;
768                                 }
769                                 ED_region_tag_redraw(ar);
770                         }
771                         break;
772                 case NC_ID:
773                         if (wmn->action == NA_RENAME)
774                                 ED_region_tag_redraw(ar);
775                         break;
776                 case NC_SCREEN:
777                         switch (wmn->data) {
778                                 case ND_ANIMPLAY:
779                                 case ND_SKETCH:
780                                         ED_region_tag_redraw(ar);
781                                         break;
782                                 case ND_SCREENBROWSE:
783                                 case ND_SCREENDELETE:
784                                 case ND_SCREENSET:
785                                         /* screen was changed, need to update used layers due to NC_SCENE|ND_LAYER_CONTENT */
786                                         /* updates used layers only for View3D in active screen */
787                                         sc = wmn->reference;
788                                         view3d_recalc_used_layers(ar, wmn, sc->scene);
789                                         ED_region_tag_redraw(ar);
790                                         break;
791                         }
792
793                         break;
794                 case NC_GPENCIL:
795                         if (wmn->action == NA_EDITED)
796                                 ED_region_tag_redraw(ar);
797                         break;
798         }
799 }
800
801 /* concept is to retrieve cursor type context-less */
802 static void view3d_main_area_cursor(wmWindow *win, ScrArea *UNUSED(sa), ARegion *UNUSED(ar))
803 {
804         Scene *scene = win->screen->scene;
805
806         if (scene->obedit) {
807                 WM_cursor_set(win, CURSOR_EDIT);
808         }
809         else {
810                 WM_cursor_set(win, CURSOR_STD);
811         }
812 }
813
814 /* add handlers, stuff you only do once or on area/region changes */
815 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
816 {
817         wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
818         
819         WM_event_add_keymap_handler(&ar->handlers, keymap);
820
821         ED_region_header_init(ar);
822 }
823
824 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
825 {
826         ED_region_header(C, ar);
827 }
828
829 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
830 {
831         /* context changes */
832         switch (wmn->category) {
833                 case NC_SCENE:
834                         switch (wmn->data) {
835                                 case ND_FRAME:
836                                 case ND_OB_ACTIVE:
837                                 case ND_OB_SELECT:
838                                 case ND_OB_VISIBLE:
839                                 case ND_MODE:
840                                 case ND_LAYER:
841                                 case ND_TOOLSETTINGS:
842                                 case ND_LAYER_CONTENT:
843                                         ED_region_tag_redraw(ar);
844                                         break;
845                         }
846                         break;
847                 case NC_SPACE:
848                         if (wmn->data == ND_SPACE_VIEW3D)
849                                 ED_region_tag_redraw(ar);
850                         break;
851         }
852 }
853
854 /* add handlers, stuff you only do once or on area/region changes */
855 static void view3d_buttons_area_init(wmWindowManager *wm, ARegion *ar)
856 {
857         wmKeyMap *keymap;
858
859         ED_region_panels_init(wm, ar);
860         
861         keymap = WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
862         WM_event_add_keymap_handler(&ar->handlers, keymap);
863 }
864
865 static void view3d_buttons_area_draw(const bContext *C, ARegion *ar)
866 {
867         ED_region_panels(C, ar, 1, NULL, -1);
868 }
869
870 static void view3d_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
871 {
872         /* context changes */
873         switch (wmn->category) {
874                 case NC_ANIMATION:
875                         switch (wmn->data) {
876                                 case ND_KEYFRAME_PROP:
877                                 case ND_NLA_ACTCHANGE:
878                                         ED_region_tag_redraw(ar);
879                                         break;
880                                 case ND_NLA:
881                                 case ND_KEYFRAME:
882                                         if (wmn->action == NA_EDITED)
883                                                 ED_region_tag_redraw(ar);
884                                         break;
885                         }
886                         break;
887                 case NC_SCENE:
888                         switch (wmn->data) {
889                                 case ND_FRAME:
890                                 case ND_OB_ACTIVE:
891                                 case ND_OB_SELECT:
892                                 case ND_OB_VISIBLE:
893                                 case ND_MODE:
894                                 case ND_LAYER:
895                                 case ND_LAYER_CONTENT:
896                                 case ND_TOOLSETTINGS:
897                                         ED_region_tag_redraw(ar);
898                                         break;
899                         }
900                         switch (wmn->action) {
901                                 case NA_EDITED:
902                                         ED_region_tag_redraw(ar);
903                                         break;
904                         }
905                         break;
906                 case NC_OBJECT:
907                         switch (wmn->data) {
908                                 case ND_BONE_ACTIVE:
909                                 case ND_BONE_SELECT:
910                                 case ND_TRANSFORM:
911                                 case ND_POSE:
912                                 case ND_DRAW:
913                                 case ND_KEYS:
914                                 case ND_MODIFIER:
915                                         ED_region_tag_redraw(ar);
916                                         break;
917                         }
918                         break;
919                 case NC_GEOM:
920                         switch (wmn->data) {
921                                 case ND_DATA:
922                                 case ND_VERTEX_GROUP:
923                                 case ND_SELECT:
924                                         ED_region_tag_redraw(ar);
925                                         break;
926                         }
927                         if (wmn->action == NA_EDITED)
928                                 ED_region_tag_redraw(ar);
929                         break;
930                 case NC_TEXTURE:
931                 case NC_MATERIAL:
932                         /* for brush textures */
933                         ED_region_tag_redraw(ar);
934                         break;
935                 case NC_BRUSH:
936                         if (wmn->action == NA_EDITED)
937                                 ED_region_tag_redraw(ar);
938                         break;
939                 case NC_SPACE:
940                         if (wmn->data == ND_SPACE_VIEW3D)
941                                 ED_region_tag_redraw(ar);
942                         break;
943                 case NC_ID:
944                         if (wmn->action == NA_RENAME)
945                                 ED_region_tag_redraw(ar);
946                         break;
947                 case NC_GPENCIL:
948                         if (wmn->data == ND_DATA || wmn->action == NA_EDITED)
949                                 ED_region_tag_redraw(ar);
950                         break;
951         }
952 }
953
954 /* add handlers, stuff you only do once or on area/region changes */
955 static void view3d_tools_area_init(wmWindowManager *wm, ARegion *ar)
956 {
957         wmKeyMap *keymap;
958         
959         ED_region_panels_init(wm, ar);
960
961         keymap = WM_keymap_find(wm->defaultconf, "3D View Generic", SPACE_VIEW3D, 0);
962         WM_event_add_keymap_handler(&ar->handlers, keymap);
963 }
964
965 static void view3d_tools_area_draw(const bContext *C, ARegion *ar)
966 {
967         ED_region_panels(C, ar, 1, CTX_data_mode_string(C), -1);
968 }
969
970 static void view3d_props_area_listener(ARegion *ar, wmNotifier *wmn)
971 {
972         /* context changes */
973         switch (wmn->category) {
974                 case NC_WM:
975                         if (wmn->data == ND_HISTORY)
976                                 ED_region_tag_redraw(ar);
977                         break;
978                 case NC_SCENE:
979                         if (wmn->data == ND_MODE)
980                                 ED_region_tag_redraw(ar);
981                         break;
982                 case NC_SPACE:
983                         if (wmn->data == ND_SPACE_VIEW3D)
984                                 ED_region_tag_redraw(ar);
985                         break;
986         }
987 }
988
989 /*area (not region) level listener*/
990 static void space_view3d_listener(ScrArea *sa, struct wmNotifier *wmn)
991 {
992         View3D *v3d = sa->spacedata.first;
993
994         /* context changes */
995         switch (wmn->category) {
996                 case NC_SCENE:
997                         switch (wmn->data) {
998                                 case ND_WORLD:
999                                         if (v3d->flag2 & V3D_RENDER_OVERRIDE)
1000                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
1001                                         break;
1002                         }
1003                         break;
1004                 case NC_WORLD:
1005                         switch (wmn->data) {
1006                                 case ND_WORLD_DRAW:
1007                                         if (v3d->flag2 & V3D_RENDER_OVERRIDE)
1008                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
1009                                         break;
1010                         }
1011                         break;
1012                 case NC_MATERIAL:
1013                         switch (wmn->data) {
1014                                 case ND_NODES:
1015                                         if (v3d->drawtype == OB_TEXTURE)
1016                                                 ED_area_tag_redraw_regiontype(sa, RGN_TYPE_WINDOW);
1017                                         break;
1018                         }
1019                         break;
1020         }
1021
1022         /* removed since BKE_image_user_frame_calc is now called in view3d_draw_bgpic because screen_ops doesnt call the notifier. */
1023 #if 0
1024         if (wmn->category == NC_SCENE && wmn->data == ND_FRAME) {
1025                 View3D *v3d = area->spacedata.first;
1026                 BGpic *bgpic = v3d->bgpicbase.first;
1027
1028                 for (; bgpic; bgpic = bgpic->next) {
1029                         if (bgpic->ima) {
1030                                 Scene *scene = wmn->reference;
1031                                 BKE_image_user_frame_calc(&bgpic->iuser, scene->r.cfra, 0);
1032                         }
1033                 }
1034         }
1035 #endif
1036 }
1037
1038 const char *view3d_context_dir[] = {
1039         "selected_objects", "selected_bases", "selected_editable_objects",
1040         "selected_editable_bases", "visible_objects", "visible_bases", "selectable_objects", "selectable_bases",
1041         "active_base", "active_object", NULL
1042 };
1043
1044 static int view3d_context(const bContext *C, const char *member, bContextDataResult *result)
1045 {
1046         View3D *v3d = CTX_wm_view3d(C);
1047         Scene *scene = CTX_data_scene(C);
1048         Base *base;
1049         /* fallback to the scene layer, allows duplicate and other object operators to run outside the 3d view */
1050         unsigned int lay = v3d ? v3d->lay : scene->lay;
1051
1052         if (CTX_data_dir(member)) {
1053                 CTX_data_dir_set(result, view3d_context_dir);
1054         }
1055         else if (CTX_data_equals(member, "selected_objects") || CTX_data_equals(member, "selected_bases")) {
1056                 int selected_objects = CTX_data_equals(member, "selected_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 (selected_objects)
1062                                                 CTX_data_id_list_add(result, &base->object->id);
1063                                         else
1064                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1065                                 }
1066                         }
1067                 }
1068                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1069                 return 1;
1070         }
1071         else if (CTX_data_equals(member, "selected_editable_objects") || CTX_data_equals(member, "selected_editable_bases")) {
1072                 int selected_editable_objects = CTX_data_equals(member, "selected_editable_objects");
1073
1074                 for (base = scene->base.first; base; base = base->next) {
1075                         if ((base->flag & SELECT) && (base->lay & lay)) {
1076                                 if ((base->object->restrictflag & OB_RESTRICT_VIEW) == 0) {
1077                                         if (0 == BKE_object_is_libdata(base->object)) {
1078                                                 if (selected_editable_objects)
1079                                                         CTX_data_id_list_add(result, &base->object->id);
1080                                                 else
1081                                                         CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1082                                         }
1083                                 }
1084                         }
1085                 }
1086                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1087                 return 1;
1088         }
1089         else if (CTX_data_equals(member, "visible_objects") || CTX_data_equals(member, "visible_bases")) {
1090                 int visible_objects = CTX_data_equals(member, "visible_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) {
1095                                         if (visible_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, "selectable_objects") || CTX_data_equals(member, "selectable_bases")) {
1106                 int selectable_objects = CTX_data_equals(member, "selectable_objects");
1107
1108                 for (base = scene->base.first; base; base = base->next) {
1109                         if (base->lay & lay) {
1110                                 if ((base->object->restrictflag & OB_RESTRICT_VIEW) == 0 && (base->object->restrictflag & OB_RESTRICT_SELECT) == 0) {
1111                                         if (selectable_objects)
1112                                                 CTX_data_id_list_add(result, &base->object->id);
1113                                         else
1114                                                 CTX_data_list_add(result, &scene->id, &RNA_ObjectBase, base);
1115                                 }
1116                         }
1117                 }
1118                 CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
1119                 return 1;
1120         }
1121         else if (CTX_data_equals(member, "active_base")) {
1122                 if (scene->basact && (scene->basact->lay & lay)) {
1123                         Object *ob = scene->basact->object;
1124                         /* if hidden but in edit mode, we still display, can happen with animation */
1125                         if ((ob->restrictflag & OB_RESTRICT_VIEW) == 0 || (ob->mode & OB_MODE_EDIT))
1126                                 CTX_data_pointer_set(result, &scene->id, &RNA_ObjectBase, scene->basact);
1127                 }
1128                 
1129                 return 1;
1130         }
1131         else if (CTX_data_equals(member, "active_object")) {
1132                 if (scene->basact && (scene->basact->lay & lay)) {
1133                         Object *ob = scene->basact->object;
1134                         if ((ob->restrictflag & OB_RESTRICT_VIEW) == 0 || (ob->mode & OB_MODE_EDIT))
1135                                 CTX_data_id_pointer_set(result, &scene->basact->object->id);
1136                 }
1137                 
1138                 return 1;
1139         }
1140         else {
1141                 return 0; /* not found */
1142         }
1143
1144         return -1; /* found but not available */
1145 }
1146
1147
1148 /* only called once, from space/spacetypes.c */
1149 void ED_spacetype_view3d(void)
1150 {
1151         SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype view3d");
1152         ARegionType *art;
1153         
1154         st->spaceid = SPACE_VIEW3D;
1155         strncpy(st->name, "View3D", BKE_ST_MAXNAME);
1156         
1157         st->new = view3d_new;
1158         st->free = view3d_free;
1159         st->init = view3d_init;
1160         st->listener = space_view3d_listener;
1161         st->duplicate = view3d_duplicate;
1162         st->operatortypes = view3d_operatortypes;
1163         st->keymap = view3d_keymap;
1164         st->dropboxes = view3d_dropboxes;
1165         st->context = view3d_context;
1166         
1167         /* regions: main window */
1168         art = MEM_callocN(sizeof(ARegionType), "spacetype view3d main region");
1169         art->regionid = RGN_TYPE_WINDOW;
1170         art->keymapflag = ED_KEYMAP_GPENCIL;
1171         art->draw = view3d_main_area_draw;
1172         art->init = view3d_main_area_init;
1173         art->free = view3d_main_area_free;
1174         art->duplicate = view3d_main_area_duplicate;
1175         art->listener = view3d_main_area_listener;
1176         art->cursor = view3d_main_area_cursor;
1177         art->lock = 1;   /* can become flag, see BKE_spacedata_draw_locks */
1178         BLI_addhead(&st->regiontypes, art);
1179         
1180         /* regions: listview/buttons */
1181         art = MEM_callocN(sizeof(ARegionType), "spacetype view3d buttons region");
1182         art->regionid = RGN_TYPE_UI;
1183         art->prefsizex = 180; /* XXX */
1184         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
1185         art->listener = view3d_buttons_area_listener;
1186         art->init = view3d_buttons_area_init;
1187         art->draw = view3d_buttons_area_draw;
1188         BLI_addhead(&st->regiontypes, art);
1189
1190         view3d_buttons_register(art);
1191
1192         /* regions: tool(bar) */
1193         art = MEM_callocN(sizeof(ARegionType), "spacetype view3d tools region");
1194         art->regionid = RGN_TYPE_TOOLS;
1195         art->prefsizex = 160; /* XXX */
1196         art->prefsizey = 50; /* XXX */
1197         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
1198         art->listener = view3d_buttons_area_listener;
1199         art->init = view3d_tools_area_init;
1200         art->draw = view3d_tools_area_draw;
1201         BLI_addhead(&st->regiontypes, art);
1202         
1203 #if 0
1204         /* unfinished still */
1205         view3d_toolshelf_register(art);
1206 #endif
1207
1208         /* regions: tool properties */
1209         art = MEM_callocN(sizeof(ARegionType), "spacetype view3d tool properties region");
1210         art->regionid = RGN_TYPE_TOOL_PROPS;
1211         art->prefsizex = 0;
1212         art->prefsizey = 120;
1213         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
1214         art->listener = view3d_props_area_listener;
1215         art->init = view3d_tools_area_init;
1216         art->draw = view3d_tools_area_draw;
1217         BLI_addhead(&st->regiontypes, art);
1218         
1219         view3d_tool_props_register(art);
1220         
1221         
1222         /* regions: header */
1223         art = MEM_callocN(sizeof(ARegionType), "spacetype view3d header region");
1224         art->regionid = RGN_TYPE_HEADER;
1225         art->prefsizey = HEADERY;
1226         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
1227         art->listener = view3d_header_area_listener;
1228         art->init = view3d_header_area_init;
1229         art->draw = view3d_header_area_draw;
1230         BLI_addhead(&st->regiontypes, art);
1231         
1232         BKE_spacetype_register(st);
1233 }
1234