svn merge ^/trunk/blender -r46000:46100
[blender.git] / source / blender / editors / space_nla / space_nla.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_nla/space_nla.c
28  *  \ingroup spnla
29  */
30
31
32 #include <string.h>
33 #include <stdio.h>
34
35 #include "DNA_anim_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_context.h"
46 #include "BKE_global.h"
47 #include "BKE_main.h"
48 #include "BKE_screen.h"
49
50 #include "ED_space_api.h"
51 #include "ED_anim_api.h"
52 #include "ED_markers.h"
53 #include "ED_screen.h"
54
55 #include "BIF_gl.h"
56
57 #include "WM_api.h"
58 #include "WM_types.h"
59
60 #include "UI_resources.h"
61 #include "UI_view2d.h"
62
63 #include "nla_intern.h" // own include
64
65 /* ******************** manage regions ********************* */
66
67 ARegion *nla_has_buttons_region(ScrArea *sa)
68 {
69         ARegion *ar, *arnew;
70
71         ar= BKE_area_find_region_type(sa, RGN_TYPE_UI);
72         if (ar) return ar;
73
74         /* add subdiv level; after main */
75         ar= BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
76
77         /* is error! */
78         if (ar==NULL) return NULL;
79         
80         arnew= MEM_callocN(sizeof(ARegion), "buttons for nla");
81         
82         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
83         arnew->regiontype= RGN_TYPE_UI;
84         arnew->alignment= RGN_ALIGN_RIGHT;
85         
86         arnew->flag = RGN_FLAG_HIDDEN;
87         
88         return arnew;
89 }
90
91
92
93 /* ******************** default callbacks for nla space ***************** */
94
95 static SpaceLink *nla_new(const bContext *C)
96 {
97         Scene *scene= CTX_data_scene(C);
98         ScrArea *sa= CTX_wm_area(C);
99         ARegion *ar;
100         SpaceNla *snla;
101         
102         snla= MEM_callocN(sizeof(SpaceNla), "initnla");
103         snla->spacetype= SPACE_NLA;
104         
105         /* allocate DopeSheet data for NLA Editor */
106         snla->ads= MEM_callocN(sizeof(bDopeSheet), "NlaEdit DopeSheet");
107         snla->ads->source= (ID *)scene;
108         
109         /* set auto-snapping settings */
110         snla->autosnap = SACTSNAP_FRAME;
111         
112         /* header */
113         ar= MEM_callocN(sizeof(ARegion), "header for nla");
114         
115         BLI_addtail(&snla->regionbase, ar);
116         ar->regiontype= RGN_TYPE_HEADER;
117         ar->alignment= RGN_ALIGN_BOTTOM;
118         
119         /* channel list region */
120         ar= MEM_callocN(sizeof(ARegion), "channel list for nla");
121         BLI_addtail(&snla->regionbase, ar);
122         ar->regiontype= RGN_TYPE_CHANNELS;
123         ar->alignment= RGN_ALIGN_LEFT;
124         
125                 /* only need to set these settings since this will use the 'stack' configuration */
126         ar->v2d.scroll = V2D_SCROLL_BOTTOM;
127         ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
128         
129         /* ui buttons */
130         ar= MEM_callocN(sizeof(ARegion), "buttons area for nla");
131         
132         BLI_addtail(&snla->regionbase, ar);
133         ar->regiontype= RGN_TYPE_UI;
134         ar->alignment= RGN_ALIGN_RIGHT;
135         ar->flag = RGN_FLAG_HIDDEN;
136         
137         /* main area */
138         ar= MEM_callocN(sizeof(ARegion), "main area for nla");
139         
140         BLI_addtail(&snla->regionbase, ar);
141         ar->regiontype= RGN_TYPE_WINDOW;
142         
143         ar->v2d.tot.xmin = (float)(SFRA-10);
144         ar->v2d.tot.ymin = (float)(-sa->winy)/3.0f;
145         ar->v2d.tot.xmax = (float)(EFRA+10);
146         ar->v2d.tot.ymax = 0.0f;
147         
148         ar->v2d.cur = ar->v2d.tot;
149         
150         ar->v2d.min[0]= 0.0f;
151         ar->v2d.min[1]= 0.0f;
152         
153         ar->v2d.max[0]= MAXFRAMEF;
154         ar->v2d.max[1]= 10000.0f;
155
156         ar->v2d.minzoom= 0.01f;
157         ar->v2d.maxzoom= 50;
158         ar->v2d.scroll = (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
159         ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
160         ar->v2d.keepzoom= V2D_LOCKZOOM_Y;
161         ar->v2d.keepofs= V2D_KEEPOFS_Y;
162         ar->v2d.align= V2D_ALIGN_NO_POS_Y;
163         ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
164         
165         return (SpaceLink *)snla;
166 }
167
168 /* not spacelink itself */
169 static void nla_free(SpaceLink *sl)
170 {       
171         SpaceNla *snla= (SpaceNla*) sl;
172         
173         if (snla->ads) {
174                 BLI_freelistN(&snla->ads->chanbase);
175                 MEM_freeN(snla->ads);
176         }
177 }
178
179
180 /* spacetype; init callback */
181 static void nla_init(struct wmWindowManager *UNUSED(wm), ScrArea *sa)
182 {
183         SpaceNla *snla= (SpaceNla *)sa->spacedata.first;
184         
185         /* init dopesheet data if non-existant (i.e. for old files) */
186         if (snla->ads == NULL) {
187                 snla->ads= MEM_callocN(sizeof(bDopeSheet), "NlaEdit DopeSheet");
188                 snla->ads->source= (ID *)G.main->scene.first; // XXX this is bad, but we need this to be set correct
189         }
190
191         ED_area_tag_refresh(sa);
192 }
193
194 static SpaceLink *nla_duplicate(SpaceLink *sl)
195 {
196         SpaceNla *snlan= MEM_dupallocN(sl);
197         
198         /* clear or remove stuff from old */
199         snlan->ads= MEM_dupallocN(snlan->ads);
200         
201         return (SpaceLink *)snlan;
202 }
203
204 /* add handlers, stuff you only do once or on area/region changes */
205 static void nla_channel_area_init(wmWindowManager *wm, ARegion *ar)
206 {
207         wmKeyMap *keymap;
208         
209         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_LIST, ar->winx, ar->winy);
210         
211         /* own keymap */
212                 /* own channels map first to override some channel keymaps */
213         keymap = WM_keymap_find(wm->defaultconf, "NLA Channels", SPACE_NLA, 0);
214         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
215                 /* now generic channels map for everything else that can apply */
216         keymap = WM_keymap_find(wm->defaultconf, "Animation Channels", 0, 0);
217         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
218         
219         keymap = WM_keymap_find(wm->defaultconf, "NLA Generic", SPACE_NLA, 0);
220         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
221 }
222
223 /* draw entirely, view changes should be handled here */
224 static void nla_channel_area_draw(const bContext *C, ARegion *ar)
225 {
226         bAnimContext ac;
227         View2D *v2d= &ar->v2d;
228         View2DScrollers *scrollers;
229         
230         /* clear and setup matrix */
231         UI_ThemeClearColor(TH_BACK);
232         glClear(GL_COLOR_BUFFER_BIT);
233         
234         UI_view2d_view_ortho(v2d);
235         
236         /* data */
237         if (ANIM_animdata_get_context(C, &ac)) {
238                 draw_nla_channel_list((bContext *)C, &ac, ar);
239         }
240         
241         /* reset view matrix */
242         UI_view2d_view_restore(C);
243         
244         /* scrollers */
245         scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
246         UI_view2d_scrollers_draw(C, v2d, scrollers);
247         UI_view2d_scrollers_free(scrollers);
248 }
249
250
251 /* add handlers, stuff you only do once or on area/region changes */
252 static void nla_main_area_init(wmWindowManager *wm, ARegion *ar)
253 {
254         wmKeyMap *keymap;
255         
256         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
257         
258         /* own keymap */
259         keymap = WM_keymap_find(wm->defaultconf, "NLA Editor", SPACE_NLA, 0);
260         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
261         keymap = WM_keymap_find(wm->defaultconf, "NLA Generic", SPACE_NLA, 0);
262         WM_event_add_keymap_handler(&ar->handlers, keymap);
263 }
264
265 static void nla_main_area_draw(const bContext *C, ARegion *ar)
266 {
267         /* draw entirely, view changes should be handled here */
268         SpaceNla *snla= CTX_wm_space_nla(C);
269         bAnimContext ac;
270         View2D *v2d= &ar->v2d;
271         View2DGrid *grid;
272         View2DScrollers *scrollers;
273         short unit=0, flag=0;
274         
275         /* clear and setup matrix */
276         UI_ThemeClearColor(TH_BACK);
277         glClear(GL_COLOR_BUFFER_BIT);
278         
279         UI_view2d_view_ortho(v2d);
280         
281         /* time grid */
282         unit= (snla->flag & SNLA_DRAWTIME)? V2D_UNIT_SECONDS : V2D_UNIT_FRAMES;
283         grid= UI_view2d_grid_calc(CTX_data_scene(C), v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY, ar->winx, ar->winy);
284         UI_view2d_grid_draw(v2d, grid, V2D_GRIDLINES_ALL);
285         UI_view2d_grid_free(grid);
286         
287         /* data */
288         if (ANIM_animdata_get_context(C, &ac)) {
289                 /* strips and backdrops */
290                 draw_nla_main_data(&ac, snla, ar);
291                 
292                 /* text draw cached, in pixelspace now */
293                 UI_view2d_text_cache_draw(ar);
294         }
295         
296         UI_view2d_view_ortho(v2d);
297         
298         /* current frame */
299         if (snla->flag & SNLA_DRAWTIME)         flag |= DRAWCFRA_UNIT_SECONDS;
300         if ((snla->flag & SNLA_NODRAWCFRANUM)==0)  flag |= DRAWCFRA_SHOW_NUMBOX;
301         ANIM_draw_cfra(C, v2d, flag);
302         
303         /* markers */
304         UI_view2d_view_orthoSpecial(ar, v2d, 1);
305         draw_markers_time(C, 0);
306         
307         /* preview range */
308         UI_view2d_view_ortho(v2d);
309         ANIM_draw_previewrange(C, v2d);
310         
311         /* reset view matrix */
312         UI_view2d_view_restore(C);
313         
314         /* scrollers */
315         scrollers= UI_view2d_scrollers_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
316         UI_view2d_scrollers_draw(C, v2d, scrollers);
317         UI_view2d_scrollers_free(scrollers);
318 }
319
320
321 /* add handlers, stuff you only do once or on area/region changes */
322 static void nla_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
323 {
324         ED_region_header_init(ar);
325 }
326
327 static void nla_header_area_draw(const bContext *C, ARegion *ar)
328 {
329         ED_region_header(C, ar);
330 }
331
332 /* add handlers, stuff you only do once or on area/region changes */
333 static void nla_buttons_area_init(wmWindowManager *wm, ARegion *ar)
334 {
335         wmKeyMap *keymap;
336         
337         ED_region_panels_init(wm, ar);
338         
339         keymap = WM_keymap_find(wm->defaultconf, "NLA Generic", SPACE_NLA, 0);
340         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
341 }
342
343 static void nla_buttons_area_draw(const bContext *C, ARegion *ar)
344 {
345         ED_region_panels(C, ar, 1, NULL, -1);
346 }
347
348 static void nla_region_listener(ARegion *ar, wmNotifier *wmn)
349 {
350         /* context changes */
351         switch (wmn->category) {
352                 case NC_ANIMATION:
353                         ED_region_tag_redraw(ar);
354                         break;
355                 case NC_SCENE:
356                         switch (wmn->data) {
357                                 case ND_OB_ACTIVE:
358                                 case ND_FRAME:
359                                 case ND_MARKERS:
360                                         ED_region_tag_redraw(ar);
361                                         break;
362                         }
363                         break;
364                 case NC_OBJECT:
365                         switch (wmn->data) {
366                                 case ND_BONE_ACTIVE:
367                                 case ND_BONE_SELECT:
368                                 case ND_KEYS:
369                                         ED_region_tag_redraw(ar);
370                                         break;
371                         }
372                         break;
373                 default:
374                         if (wmn->data==ND_KEYS)
375                                 ED_region_tag_redraw(ar);
376                         break;
377         }
378 }
379
380
381 static void nla_main_area_listener(ARegion *ar, wmNotifier *wmn)
382 {
383         /* context changes */
384         switch (wmn->category) {
385                 case NC_ANIMATION:
386                         ED_region_tag_redraw(ar);
387                         break;
388                 case NC_SCENE:
389                         switch (wmn->data) {
390                                 case ND_RENDER_OPTIONS:
391                                 case ND_OB_ACTIVE:
392                                 case ND_FRAME:
393                                 case ND_MARKERS:
394                                         ED_region_tag_redraw(ar);
395                                         break;
396                         }
397                         break;
398                 case NC_OBJECT:
399                         switch (wmn->data) {
400                                 case ND_BONE_ACTIVE:
401                                 case ND_BONE_SELECT:
402                                 case ND_KEYS:
403                                 case ND_TRANSFORM:
404                                         ED_region_tag_redraw(ar);
405                                         break;
406                         }
407                         break;
408                 case NC_NODE:
409                         switch (wmn->action) {
410                                 case NA_EDITED:
411                                         ED_region_tag_redraw(ar);
412                                         break;
413                         }
414                         break;
415                 case NC_ID:
416                         if (wmn->action == NA_RENAME)
417                                 ED_region_tag_redraw(ar);
418                         break;
419                 default:
420                         if (wmn->data==ND_KEYS)
421                                 ED_region_tag_redraw(ar);
422         }
423 }
424
425 static void nla_channel_area_listener(ARegion *ar, wmNotifier *wmn)
426 {
427         /* context changes */
428         switch (wmn->category) {
429                 case NC_ANIMATION:
430                         ED_region_tag_redraw(ar);
431                         break;
432                 case NC_SCENE:
433                         switch (wmn->data) {
434                                 case ND_OB_ACTIVE:
435                                         ED_region_tag_redraw(ar);
436                                         break;
437                         }
438                         break;
439                 case NC_OBJECT:
440                         switch (wmn->data) {
441                                 case ND_BONE_ACTIVE:
442                                 case ND_BONE_SELECT:
443                                 case ND_KEYS:
444                                         ED_region_tag_redraw(ar);
445                                         break;
446                         }
447                         break;
448                 case NC_ID:
449                         if (wmn->action == NA_RENAME)
450                                 ED_region_tag_redraw(ar);
451                         break;
452
453                 default:
454                         if (wmn->data==ND_KEYS)
455                                 ED_region_tag_redraw(ar);
456         }
457 }
458
459 /* editor level listener */
460 static void nla_listener(ScrArea *sa, wmNotifier *wmn)
461 {
462         /* context changes */
463         switch (wmn->category) {
464                 case NC_ANIMATION:
465                         // TODO: filter specific types of changes?
466                         ED_area_tag_refresh(sa);
467                         break;
468                 case NC_SCENE:
469 #if 0
470                         switch (wmn->data) {
471                                 case ND_OB_ACTIVE:
472                                 case ND_OB_SELECT:
473                                         ED_area_tag_refresh(sa);
474                                         break;
475                         }
476 #endif
477                         ED_area_tag_refresh(sa);
478                         break;
479                 case NC_OBJECT:
480                         switch (wmn->data) {
481                                 case ND_TRANSFORM:
482                                         /* do nothing */
483                                         break;
484                                 default:
485                                         ED_area_tag_refresh(sa);
486                                         break;
487                         }
488                         break;
489                 case NC_SPACE:
490                         if (wmn->data == ND_SPACE_NLA)
491                                 ED_area_tag_redraw(sa);
492                         break;
493         }
494 }
495
496 /* only called once, from space/spacetypes.c */
497 void ED_spacetype_nla(void)
498 {
499         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype nla");
500         ARegionType *art;
501         
502         st->spaceid= SPACE_NLA;
503         strncpy(st->name, "NLA", BKE_ST_MAXNAME);
504         
505         st->new= nla_new;
506         st->free= nla_free;
507         st->init= nla_init;
508         st->duplicate= nla_duplicate;
509         st->operatortypes= nla_operatortypes;
510         st->listener= nla_listener;
511         st->keymap= nla_keymap;
512         
513         /* regions: main window */
514         art= MEM_callocN(sizeof(ARegionType), "spacetype nla region");
515         art->regionid = RGN_TYPE_WINDOW;
516         art->init= nla_main_area_init;
517         art->draw= nla_main_area_draw;
518         art->listener= nla_main_area_listener;
519         art->keymapflag= ED_KEYMAP_VIEW2D|ED_KEYMAP_MARKERS|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
520
521         BLI_addhead(&st->regiontypes, art);
522         
523         /* regions: header */
524         art= MEM_callocN(sizeof(ARegionType), "spacetype nla region");
525         art->regionid = RGN_TYPE_HEADER;
526         art->prefsizey= HEADERY;
527         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
528         
529         art->init= nla_header_area_init;
530         art->draw= nla_header_area_draw;
531         
532         BLI_addhead(&st->regiontypes, art);
533         
534         /* regions: channels */
535         art= MEM_callocN(sizeof(ARegionType), "spacetype nla region");
536         art->regionid = RGN_TYPE_CHANNELS;
537         art->prefsizex= 200;
538         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
539         
540         art->init= nla_channel_area_init;
541         art->draw= nla_channel_area_draw;
542         art->listener= nla_channel_area_listener;
543         
544         BLI_addhead(&st->regiontypes, art);
545         
546         /* regions: UI buttons */
547         art= MEM_callocN(sizeof(ARegionType), "spacetype nla region");
548         art->regionid = RGN_TYPE_UI;
549         art->prefsizex= 200;
550         art->keymapflag= ED_KEYMAP_UI;
551         art->listener= nla_region_listener;
552         art->init= nla_buttons_area_init;
553         art->draw= nla_buttons_area_draw;
554         
555         BLI_addhead(&st->regiontypes, art);
556
557         nla_buttons_register(art);
558         
559         
560         BKE_spacetype_register(st);
561 }
562