2.5
[blender.git] / source / blender / editors / space_outliner / space_outliner.c
1 /**
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version. 
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  *
20  * The Original Code is Copyright (C) 2008 Blender Foundation.
21  * All rights reserved.
22  *
23  * 
24  * Contributor(s): Blender Foundation
25  *
26  * ***** END GPL LICENSE BLOCK *****
27  */
28
29 #include <string.h>
30 #include <stdio.h>
31
32 #include "DNA_color_types.h"
33 #include "DNA_object_types.h"
34 #include "DNA_oops_types.h"
35 #include "DNA_space_types.h"
36 #include "DNA_scene_types.h"
37 #include "DNA_screen_types.h"
38 #include "DNA_space_types.h"
39 #include "DNA_texture_types.h"
40 #include "DNA_vec_types.h"
41 #include "DNA_windowmanager_types.h"
42
43 #include "MEM_guardedalloc.h"
44
45 #include "BLI_blenlib.h"
46 #include "BLI_arithb.h"
47 #include "BLI_rand.h"
48
49 #include "BKE_colortools.h"
50 #include "BKE_context.h"
51 #include "BKE_screen.h"
52 #include "BKE_texture.h"
53 #include "BKE_utildefines.h"
54
55 #include "ED_space_api.h"
56 #include "ED_screen.h"
57
58 #include "WM_api.h"
59 #include "WM_types.h"
60
61 #include "BIF_gl.h"
62 #include "BIF_glutil.h"
63
64 #include "UI_interface.h"
65 #include "UI_text.h"
66 #include "UI_resources.h"
67 #include "UI_view2d.h"
68
69 #include "RNA_access.h"
70 #include "RNA_types.h"
71
72 #include "outliner_intern.h"
73
74 #define SET_INT_IN_POINTER(i) ((void*)(intptr_t)(i))
75 #define GET_INT_FROM_POINTER(i) ((int)(intptr_t)(i))
76
77 #define ROW_HEIGHT              19
78 #define COLUMN_WIDTH    150
79
80 typedef void (*uiTableCellFunc)(void *userdata, int row, int col, struct rcti *rct, struct uiBlock *block);
81
82 typedef struct uiTable {
83         rcti rct;
84         int rows, cols;
85
86         uiTableCellFunc cellfunc;
87         void *userdata;
88 } uiTable;
89
90 uiTable *UI_table_create(int rows, int cols, rcti *rct, uiTableCellFunc cellfunc, void *userdata)
91 {
92         uiTable *table;
93
94         table= MEM_callocN(sizeof(uiTable), "uiTable");
95         table->rct= *rct;
96         table->cellfunc= cellfunc;
97         table->rows= rows;
98         table->cols= cols;
99         table->userdata= userdata;
100
101         return table;
102 }
103
104 void UI_table_free(uiTable *table)
105 {
106         MEM_freeN(table);
107 }
108
109 void UI_table_draw(const bContext *C, uiTable *table)
110 {
111         ARegion *ar= CTX_wm_region(C);
112         uiBlock *block;
113         View2D *v2d;
114         rcti *rct, cellrct;
115         int y, row, col;
116         
117         v2d= &ar->v2d;
118         rct= &table->rct;
119         
120         block= uiBeginBlock(C, ar, "table outliner", UI_EMBOSST, UI_HELV);
121         
122         for(y=rct->ymax, row=0; y>rct->ymin; y-=ROW_HEIGHT, row++) {
123                 if(row%2 == 0) {
124                         UI_ThemeColorShade(TH_BACK, 6);
125                         glRecti(v2d->cur.xmin, y-ROW_HEIGHT, v2d->cur.xmax, y);
126                 }
127
128                 if(row >= table->rows)
129                         continue;
130
131                 for(col=0; col<table->cols; col++) {
132                         cellrct.xmin= rct->xmin+COLUMN_WIDTH*col + 1;
133                         cellrct.xmax= rct->xmin+COLUMN_WIDTH*(col+1);
134                         cellrct.ymin= y-ROW_HEIGHT;
135                         cellrct.ymax= y;
136
137                         table->cellfunc(table->userdata, row, col, &cellrct, block);
138                 }
139         }
140
141         UI_ThemeColorShadeAlpha(TH_BACK, -15, -200);
142
143         for(col=0; col<table->cols; col++)
144                 fdrawline(rct->xmin+COLUMN_WIDTH*(col+1), rct->ymin, rct->xmin+COLUMN_WIDTH*(col+1), rct->ymax);
145
146         uiEndBlock(C, block);
147         uiDrawBlock(block);
148 }
149
150
151 /* ************************ main outliner area region *********************** */
152
153 typedef struct CellRNA {
154         SpaceOops *space;
155         StructRNA *srna;
156         PropertyRNA *prop;
157         PointerRNA ptr;
158         int lastrow, index;
159
160         CollectionPropertyIterator iter;
161 } CellRNA;
162
163 static void rna_back_cb(bContext *C, void *arg_unused, void *arg_unused2)
164 {
165         SpaceOops *soutliner= (SpaceOops*)CTX_wm_space_data(C);
166         char *newpath;
167
168         newpath= RNA_path_back(soutliner->rnapath);
169         if(soutliner->rnapath)
170                 MEM_freeN(soutliner->rnapath);
171         soutliner->rnapath= newpath;
172 }
173
174 static void rna_pointer_cb(bContext *C, void *arg_prop, void *arg_index)
175 {
176         SpaceOops *soutliner= (SpaceOops*)CTX_wm_space_data(C);
177         PropertyRNA *prop= arg_prop;
178         char *newpath;
179         int index= GET_INT_FROM_POINTER(arg_index);;
180
181         newpath= RNA_path_append(soutliner->rnapath, NULL, prop, index, NULL);
182         if(soutliner->rnapath)
183                 MEM_freeN(soutliner->rnapath);
184         soutliner->rnapath= newpath;
185 }
186
187 static void rna_label(CellRNA *cell, rcti *rct, uiBlock *block)
188 {
189         PropertySubType subtype;
190         PropertyType type;
191         PropertyRNA *prop;
192         char *vectoritem[4]= {"x", "y", "z", "w"};
193         char *quatitem[4]= {"w", "x", "y", "z"};
194         char *coloritem[4]= {"r", "g", "b", "a"};
195         char item[32];
196         int arraylength;
197
198         prop= cell->prop;
199         type= RNA_property_type(&cell->ptr, prop);
200         subtype= RNA_property_subtype(&cell->ptr, prop);
201         arraylength= RNA_property_array_length(&cell->ptr, prop);
202
203         if(cell->index == -1) {
204                 uiDefBut(block, LABEL, 0, (char*)RNA_property_ui_name(&cell->ptr, prop), rct->xmin, rct->ymin, rct->xmax-rct->xmin, rct->ymax-rct->ymin, 0, 0, 0, 0, 0, (char*)RNA_property_ui_description(&cell->ptr, prop));
205         }
206         else if (type != PROP_COLLECTION) {
207                 if(arraylength == 4 && subtype == PROP_ROTATION)
208                         sprintf(item, "    %s", quatitem[cell->index]);
209                 else if(arraylength <= 4 && (subtype == PROP_VECTOR || subtype == PROP_ROTATION))
210                         sprintf(item, "    %s", vectoritem[cell->index]);
211                 else if(arraylength <= 4 && subtype == PROP_COLOR)
212                         sprintf(item, "    %s", coloritem[cell->index]);
213                 else
214                         sprintf(item, "    %d", cell->index+1);
215
216                 uiDefBut(block, LABEL, 0, item, rct->xmin, rct->ymin, rct->xmax-rct->xmin, rct->ymax-rct->ymin, 0, 0, 0, 0, 0, "");
217         }
218 }
219
220 static void rna_collection_but(CellRNA *cell, rcti *rct, uiBlock *block)
221 {
222         uiBut *but;
223         PointerRNA lookup;
224         PropertyRNA *nameprop;
225         char name[256]= "", *nameptr= name;
226
227         RNA_property_collection_lookup_int(&cell->ptr, cell->prop, cell->index, &lookup);
228
229         if(lookup.data) {
230                 nameprop= RNA_struct_name_property(&lookup);
231
232                 if(nameprop)
233                         nameptr= RNA_property_string_get_alloc(&lookup, nameprop, name, sizeof(name));
234
235                 if(!nameprop || strlen(nameptr) == 0)
236                         sprintf(nameptr, "%d", cell->index+1);
237         }
238
239         but= uiDefBut(block, BUT, 0, nameptr, rct->xmin, rct->ymin, rct->xmax-rct->xmin, rct->ymax-rct->ymin, 0, 0, 0, 0, 0, "");
240         uiButSetFlag(but, UI_TEXT_LEFT);
241
242         if(nameptr != name)
243                 MEM_freeN(nameptr);
244
245         uiButSetFunc(but, rna_pointer_cb, cell->prop, SET_INT_IN_POINTER(cell->index));
246 }
247
248 static uiBut *rna_auto_but(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int index, int x1, int y1, int x2, int y2)
249 {
250         uiBut *but;
251         const char *propname= RNA_property_identifier(ptr, prop);
252
253         switch(RNA_property_type(ptr, prop)) {
254                 case PROP_BOOLEAN: {
255                         int value, length;
256
257                         length= RNA_property_array_length(ptr, prop);
258
259                         if(length)
260                                 value= RNA_property_boolean_get_array(ptr, prop, index);
261                         else
262                                 value= RNA_property_boolean_get(ptr, prop);
263
264                         but= uiDefButR(block, TOG, 0, (value)? "True": "False", x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
265                         break;
266                 }
267                 case PROP_INT:
268                 case PROP_FLOAT:
269                         but= uiDefButR(block, NUM, 0, "", x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
270                         break;
271                 case PROP_ENUM:
272                         but= uiDefButR(block, MENU, 0, NULL, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
273                         break;
274                 case PROP_STRING:
275                         but= uiDefButR(block, TEX, 0, "", x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
276                         break;
277                 case PROP_POINTER: {
278                         PointerRNA pptr;
279                         PropertyRNA *nameprop;
280                         char name[256]= "", *nameptr= name;
281
282                         RNA_property_pointer_get(ptr, prop, &pptr);
283
284                         if(pptr.data) {
285                                 nameprop= RNA_struct_name_property(&pptr);
286                                 if(pptr.type && nameprop)
287                                         nameptr= RNA_property_string_get_alloc(&pptr, nameprop, name, sizeof(name));
288                                 else
289                                         strcpy(nameptr, "->");
290                         }
291
292                         but= uiDefButR(block, BUT, 0, nameptr, x1, y1, x2, y2, ptr, propname, index, 0, 0, 0, 0, NULL);
293                         uiButSetFlag(but, UI_TEXT_LEFT);
294
295                         if(nameptr != name)
296                                 MEM_freeN(nameptr);
297
298                         break;
299                 }
300                 default:
301                         but= NULL;
302                         break;
303         }
304
305         return but;
306 }
307
308 static void rna_but(CellRNA *cell, rcti *rct, uiBlock *block)
309 {
310         uiBut *but;
311         PropertyRNA *prop;
312         PropertyType type;
313         int arraylength, index;
314
315         prop= cell->prop;
316         type= RNA_property_type(&cell->ptr, prop);
317         arraylength= RNA_property_array_length(&cell->ptr, prop);
318
319         if(type == PROP_COLLECTION) {
320                 /* item in a collection */
321                 if(cell->index >= 0)
322                         rna_collection_but(cell, rct, block);
323         }
324         else {
325                 /* other cases */
326                 index= (arraylength)? cell->index: 0;
327
328                 if(index >= 0) {
329                         but= rna_auto_but(block, &cell->ptr, prop, index, rct->xmin, rct->ymin, rct->xmax-rct->xmin, rct->ymax-rct->ymin);
330
331                         if(type == PROP_POINTER)
332                                 uiButSetFunc(but, rna_pointer_cb, prop, SET_INT_IN_POINTER(0));
333                 }
334         }
335 }
336
337 static void rna_path_but(CellRNA *cell, rcti *rct, uiBlock *block)
338 {
339         uiBut *but;
340
341         but= uiDefBut(block, BUT, 0, (cell->space->rnapath)? "..": ".", rct->xmin, rct->ymin, rct->xmax-rct->xmin, rct->ymax-rct->ymin, 0, 0, 0, 0, 0, "");
342         uiButSetFlag(but, UI_TEXT_LEFT);
343         uiButSetFunc(but, rna_back_cb, cell->space, NULL);
344 }
345
346 static void rna_table_cell_func(void *userdata, int row, int col, rcti *rct, uiBlock *block)
347 {
348         CellRNA *cell= userdata;
349         PropertyType type;
350         int length;
351
352         /* path button */
353         if(row == 0) {
354                 if(col == 0)
355                         rna_path_but(cell, rct, block);
356
357                 return;
358         }
359
360         /* set next property for new row */
361         if(row != cell->lastrow) {
362                 if(cell->prop) {
363                         cell->index++;
364
365                         type= RNA_property_type(&cell->ptr, cell->prop);
366                         if(type == PROP_COLLECTION)
367                                 length= RNA_property_collection_length(&cell->ptr, cell->prop);
368                         else
369                                 length= RNA_property_array_length(&cell->ptr, cell->prop);
370
371                         /* verify if we need to go to the next property */
372                         if(type == PROP_COLLECTION && cell->index < length);
373                         else if(length && cell->index < length);
374                         else {
375                                 RNA_property_collection_next(&cell->iter);
376                                 cell->prop= cell->iter.ptr.data;
377                                 cell->index= -1;
378                         }
379                 }
380                 else {
381                         /* initialize */
382                         cell->prop= cell->iter.ptr.data;
383                         cell->index= -1;
384                 }
385
386                 cell->lastrow= row;
387         }
388
389         /* make button */
390         if(col == 0)
391                 rna_label(cell, rct, block);
392         else if(col == 1)
393                 rna_but(cell, rct, block);
394 }
395
396 static void outliner_main_area_init(wmWindowManager *wm, ARegion *ar)
397 {
398         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_LIST, ar->winx, ar->winy);
399 }
400
401 static void outliner_main_area_draw(const bContext *C, ARegion *ar)
402 {
403         uiTable *table;
404         rcti rct;
405         CellRNA cell;
406         PropertyRNA *prop, *iterprop;
407         PointerRNA newptr;
408         float col[3];
409         int rows, cols, awidth, aheight, width, height;
410         SpaceOops *soutliner= (SpaceOops*)CTX_wm_space_data(C);
411         View2D *v2d= &ar->v2d;
412         View2DScrollers *scrollers;
413
414         /* clear */
415         UI_GetThemeColor3fv(TH_BACK, col);
416         glClearColor(col[0], col[1], col[2], 0.0);
417         glClear(GL_COLOR_BUFFER_BIT);
418         
419         awidth= width= ar->winx;
420         aheight= height= ar->winy;
421         
422         /* create table */
423         cell.space= soutliner;
424         cell.lastrow= -1;
425         RNA_main_pointer_create(CTX_data_main(C), &cell.ptr);
426         cell.prop= NULL;
427
428         /* solve RNA path or reset if fails */
429         if(soutliner->rnapath) {
430                 if(!RNA_path_resolve(&cell.ptr, soutliner->rnapath, &newptr, &prop)) {
431                         newptr.data= NULL;
432                         printf("RNA outliner: failed resolving path. (%s)\n", soutliner->rnapath);
433                 }
434
435                 if(newptr.data && newptr.type) {
436                         cell.ptr= newptr;
437                 }
438                 else {
439                         MEM_freeN(soutliner->rnapath);
440                         soutliner->rnapath= NULL;
441                 }
442         }
443
444         /* compute number of rows and columns */
445         rows= 1;
446         cols= 2;
447
448         iterprop= RNA_struct_iterator_property(&cell.ptr);
449         RNA_property_collection_begin(&cell.ptr, iterprop, &cell.iter);
450
451         for(; cell.iter.valid; RNA_property_collection_next(&cell.iter)) {
452                 prop= cell.iter.ptr.data;
453
454                 rows += 1 + RNA_property_array_length(&cell.ptr, prop);
455                 if(RNA_property_type(&cell.ptr, prop) == PROP_COLLECTION)
456                         rows += RNA_property_collection_length(&cell.ptr, prop);
457         }
458
459         RNA_property_collection_end(&cell.iter);
460         
461         /* determine extents of data
462          *      - height must be at least the height of the mask area
463          *      - width is columns + 1, as otherwise, part of last column 
464          *        will be obscured by scrollers
465          */
466         if ((rows*ROW_HEIGHT) > height)
467                 height= rows * ROW_HEIGHT;
468         width= (cols + 1) * COLUMN_WIDTH;
469         
470         /* update size of tot-rect (extents of data/viewable area) */
471         UI_view2d_totRect_set(v2d, width, height);
472         
473         rct.xmin= 0;
474         rct.ymin= -height;
475         rct.xmax= width;
476         rct.ymax= 0;
477         
478         /* set matrix for 2d-view controls */
479         UI_view2d_view_ortho(C, v2d);
480         
481         /* create and draw table */
482         table= UI_table_create(rows, 2, &rct, rna_table_cell_func, &cell);
483
484         RNA_property_collection_begin(&cell.ptr, iterprop, &cell.iter);
485         UI_table_draw(C, table);
486         RNA_property_collection_end(&cell.iter);
487
488         UI_table_free(table);
489         
490         /* reset view matrix */
491         UI_view2d_view_restore(C);
492         
493         /* scrollers */
494         scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
495         UI_view2d_scrollers_draw(C, v2d, scrollers);
496         UI_view2d_scrollers_free(scrollers);
497 }
498
499 static void outliner_main_area_free(ARegion *ar)
500 {
501 }
502
503 /* ************************ header outliner area region *********************** */
504
505 /* add handlers, stuff you only do once or on area/region changes */
506 static void outliner_header_area_init(wmWindowManager *wm, ARegion *ar)
507 {
508         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
509 }
510
511 static void outliner_header_area_draw(const bContext *C, ARegion *ar)
512 {
513         float col[3];
514         
515         if(ED_screen_area_active(C))
516                 UI_GetThemeColor3fv(TH_HEADER, col);
517         else
518                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
519         
520         glClearColor(col[0], col[1], col[2], 0.0);
521         glClear(GL_COLOR_BUFFER_BIT);
522
523         /* set view2d view matrix for scrolling (without scrollers) */
524         UI_view2d_view_ortho(C, &ar->v2d);
525
526         outliner_header_buttons(C, ar);
527 }
528
529 static void outliner_header_area_free(ARegion *ar)
530 {
531 }
532
533 /* ******************** default callbacks for outliner space ***************** */
534
535 static SpaceLink *outliner_new(const bContext *C)
536 {
537         ARegion *ar;
538         SpaceOops *soutliner;
539
540         soutliner= MEM_callocN(sizeof(SpaceOops), "initoutliner");
541
542         /* header */
543         ar= MEM_callocN(sizeof(ARegion), "header for outliner");
544         
545         BLI_addtail(&soutliner->regionbase, ar);
546         ar->regiontype= RGN_TYPE_HEADER;
547         ar->alignment= RGN_ALIGN_BOTTOM;
548         
549         /* main area */
550         ar= MEM_callocN(sizeof(ARegion), "main area for outliner");
551         
552         BLI_addtail(&soutliner->regionbase, ar);
553         ar->regiontype= RGN_TYPE_WINDOW;
554         
555         ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
556         ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
557         ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_KEEPZOOM|V2D_KEEPASPECT);
558         ar->v2d.keeptot= V2D_KEEPTOT_STRICT;
559         ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
560         
561         return (SpaceLink*)soutliner;
562 }
563
564 static void free_oops(Oops *oops)       /* also oops itself */
565 {
566         BLI_freelistN(&oops->link);
567         MEM_freeN(oops);
568 }
569
570 static void outliner_free_tree(ListBase *lb)
571 {
572         
573         while(lb->first) {
574                 TreeElement *te= lb->first;
575                 
576                 outliner_free_tree(&te->subtree);
577                 BLI_remlink(lb, te);
578                 MEM_freeN(te);
579         }
580 }
581
582 /* not spacelink itself */
583 static void outliner_free(SpaceLink *sl)
584 {
585         SpaceOops *soutliner= (SpaceOops*)sl;
586         Oops *oops;
587
588         if(soutliner->rnapath) {
589                 MEM_freeN(soutliner->rnapath);
590                 soutliner->rnapath= NULL;
591         }
592         
593         while( (oops= soutliner->oops.first) ) {
594                 BLI_remlink(&soutliner->oops, oops);
595                 free_oops(oops);
596         }
597         
598         outliner_free_tree(&soutliner->tree);
599         if(soutliner->treestore) {
600                 if(soutliner->treestore->data) MEM_freeN(soutliner->treestore->data);
601                 MEM_freeN(soutliner->treestore);
602         }
603         
604 }
605
606 /* spacetype; init callback */
607 static void outliner_init(wmWindowManager *wm, ScrArea *sa)
608 {
609         
610 }
611
612 static SpaceLink *outliner_duplicate(SpaceLink *sl)
613 {
614         SpaceOops *soutliner= (SpaceOops *)sl;
615         SpaceOops *soutlinern= MEM_dupallocN(soutliner);
616
617         if(soutlinern->rnapath)
618                 soutlinern->rnapath= MEM_dupallocN(soutlinern->rnapath);
619         
620         soutlinern->oops.first= soutlinern->oops.last= NULL;
621         soutlinern->tree.first= soutlinern->tree.last= NULL;
622         soutlinern->treestore= NULL;
623         
624         return (SpaceLink *)soutlinern;
625 }
626
627 /* only called once, from space_api/spacetypes.c */
628 void ED_spacetype_outliner(void)
629 {
630         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype time");
631         ARegionType *art;
632         
633         st->spaceid= SPACE_OOPS;
634         strncpy(st->name, "Outliner", BKE_ST_MAXNAME);
635         
636         st->new= outliner_new;
637         st->free= outliner_free;
638         st->init= outliner_init;
639         st->duplicate= outliner_duplicate;
640         st->operatortypes= outliner_operatortypes;
641         st->keymap= outliner_keymap;
642         
643         /* regions: main window */
644         art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
645         art->regionid = RGN_TYPE_WINDOW;
646         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
647         
648         art->init= outliner_main_area_init;
649         art->draw= outliner_main_area_draw;
650         art->free= outliner_main_area_free;
651         BLI_addhead(&st->regiontypes, art);
652         
653         /* regions: header */
654         art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
655         art->regionid = RGN_TYPE_HEADER;
656         art->minsizey= HEADERY;
657         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
658         
659         art->init= outliner_header_area_init;
660         art->draw= outliner_header_area_draw;
661         art->free= outliner_header_area_free;
662         BLI_addhead(&st->regiontypes, art);
663         
664         BKE_spacetype_register(st);
665 }
666