source/blender/editors/space_view3d/space_view3d.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_action_types.h"
  33 #include "DNA_armature_types.h"
  34 #include "DNA_object_types.h"
  35 #include "DNA_space_types.h"
  36 #include "DNA_scene_types.h"
  37 #include "DNA_screen_types.h"
  38 #include "DNA_view3d_types.h"
  39
  40 #include "MEM_guardedalloc.h"
  41
  42 #include "BLI_blenlib.h"
  43 #include "BLI_arithb.h"
  44 #include "BLI_rand.h"
  45
  46 #include "BKE_action.h"
  47 #include "BKE_context.h"
  48 #include "BKE_global.h"
  49 #include "BKE_screen.h"
  50 #include "BKE_utildefines.h"
  51
  52 #include "ED_armature.h"
  53 #include "ED_space_api.h"
  54 #include "ED_screen.h"
  55
  56 #include "BIF_gl.h"
  57
  58 #include "WM_api.h"
  59 #include "WM_types.h"
  60
  61 #include "UI_interface.h"
  62 #include "UI_resources.h"
  63 #include "UI_view2d.h"
  64
  65 #include "RNA_access.h"
  66
  67 #include "view3d_intern.h"      // own include
  68
  69 /* ******************** manage regions ********************* */
  70
  71 ARegion *view3d_has_buttons_region(ScrArea *sa)
  72 {
  73         ARegion *ar, *arnew;
  74
  75         for(ar= sa->regionbase.first; ar; ar= ar->next)
  76                 if(ar->regiontype==RGN_TYPE_UI)
  77                         return ar;
  78
  79         /* add subdiv level; after header */
  80         for(ar= sa->regionbase.first; ar; ar= ar->next)
  81                 if(ar->regiontype==RGN_TYPE_HEADER)
  82                         break;
  83
  84         /* is error! */
  85         if(ar==NULL) return NULL;
  86
  87         arnew= MEM_callocN(sizeof(ARegion), "buttons for view3d");
  88
  89         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
  90         arnew->regiontype= RGN_TYPE_UI;
  91         arnew->alignment= RGN_ALIGN_RIGHT;
  92
  93         arnew->flag = RGN_FLAG_HIDDEN;
  94
  95         return arnew;
  96 }
  97
  98 ARegion *view3d_has_tools_region(ScrArea *sa)
  99 {
 100         ARegion *ar, *arnew;
 101
 102         for(ar= sa->regionbase.first; ar; ar= ar->next)
 103                 if(ar->regiontype==RGN_TYPE_TOOLS)
 104                         return ar;
 105
 106         /* add subdiv level; after header */
 107         for(ar= sa->regionbase.first; ar; ar= ar->next)
 108                 if(ar->regiontype==RGN_TYPE_HEADER)
 109                         break;
 110
 111         /* is error! */
 112         if(ar==NULL) return NULL;
 113
 114         arnew= MEM_callocN(sizeof(ARegion), "tools for view3d");
 115
 116         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
 117         arnew->regiontype= RGN_TYPE_TOOLS;
 118         arnew->alignment= RGN_OVERLAP_LEFT;
 119
 120         arnew->flag = RGN_FLAG_HIDDEN;
 121
 122         return arnew;
 123 }
 124
 125
 126
 127 /* ******************** default callbacks for view3d space ***************** */
 128
 129 static SpaceLink *view3d_new(const bContext *C)
 130 {
 131         Scene *scene= CTX_data_scene(C);
 132         ARegion *ar;
 133         View3D *v3d;
 134         RegionView3D *rv3d;
 135
 136         v3d= MEM_callocN(sizeof(View3D), "initview3d");
 137         v3d->spacetype= SPACE_VIEW3D;
 138         v3d->blockscale= 0.7f;
 139         v3d->lay= v3d->layact= 1;
 140         if(scene) {
 141                 v3d->lay= v3d->layact= scene->lay;
 142                 v3d->camera= scene->camera;
 143         }
 144         v3d->scenelock= 1;
 145         v3d->grid= 1.0f;
 146         v3d->gridlines= 16;
 147         v3d->gridsubdiv = 10;
 148         v3d->drawtype= OB_WIRE;
 149
 150         v3d->gridflag |= V3D_SHOW_X;
 151         v3d->gridflag |= V3D_SHOW_Y;
 152         v3d->gridflag |= V3D_SHOW_FLOOR;
 153         v3d->gridflag &= ~V3D_SHOW_Z;
 154
 155         v3d->lens= 35.0f;
 156         v3d->near= 0.01f;
 157         v3d->far= 500.0f;
 158
 159         /* header */
 160         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
 161
 162         BLI_addtail(&v3d->regionbase, ar);
 163         ar->regiontype= RGN_TYPE_HEADER;
 164         ar->alignment= RGN_ALIGN_BOTTOM;
 165
 166         /* buttons/list view */
 167         ar= MEM_callocN(sizeof(ARegion), "buttons for view3d");
 168
 169         BLI_addtail(&v3d->regionbase, ar);
 170         ar->regiontype= RGN_TYPE_UI;
 171         ar->alignment= RGN_ALIGN_LEFT;
 172         ar->flag = RGN_FLAG_HIDDEN;
 173
 174         /* main area */
 175         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
 176
 177         BLI_addtail(&v3d->regionbase, ar);
 178         ar->regiontype= RGN_TYPE_WINDOW;
 179
 180         ar->regiondata= MEM_callocN(sizeof(RegionView3D), "region view3d");
 181         rv3d= ar->regiondata;
 182         rv3d->viewquat[0]= 1.0f;
 183         rv3d->persp= 1;
 184         rv3d->view= 7;
 185         rv3d->dist= 10.0;
 186
 187         return (SpaceLink *)v3d;
 188 }
 189
 190 /* not spacelink itself */
 191 static void view3d_free(SpaceLink *sl)
 192 {
 193         View3D *vd= (View3D *) sl;
 194
 195         if(vd->bgpic) {
 196                 if(vd->bgpic->ima) vd->bgpic->ima->id.us--;
 197                 MEM_freeN(vd->bgpic);
 198         }
 199
 200         if(vd->localvd) MEM_freeN(vd->localvd);
 201
 202         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
 203
 204 }
 205
 206
 207 /* spacetype; init callback */
 208 static void view3d_init(struct wmWindowManager *wm, ScrArea *sa)
 209 {
 210
 211 }
 212
 213 static SpaceLink *view3d_duplicate(SpaceLink *sl)
 214 {
 215         View3D *v3do= (View3D *)sl;
 216         View3D *v3dn= MEM_dupallocN(sl);
 217
 218         /* clear or remove stuff from old */
 219
 220 // XXX  BIF_view3d_previewrender_free(v3do);
 221
 222         if(v3do->localvd) {
 223                 v3do->localvd= NULL;
 224                 v3do->properties_storage= NULL;
 225                 v3do->localview= 0;
 226                 v3do->lay= v3dn->localvd->lay;
 227                 v3do->lay &= 0xFFFFFF;
 228         }
 229
 230         /* copy or clear inside new stuff */
 231
 232         if(v3dn->bgpic) {
 233                 v3dn->bgpic= MEM_dupallocN(v3dn->bgpic);
 234                 if(v3dn->bgpic->ima) v3dn->bgpic->ima->id.us++;
 235         }
 236         v3dn->properties_storage= NULL;
 237
 238         return (SpaceLink *)v3dn;
 239 }
 240
 241 static void view3d_modal_keymaps(wmWindowManager *wm, ARegion *ar, int stype)
 242 {
 243         RegionView3D *rv3d= ar->regiondata;
 244         ListBase *keymap;
 245
 246         /* copy last mode, then we can re-init the region maps */
 247         rv3d->lastmode= stype;
 248
 249         keymap= WM_keymap_listbase(wm, "Object Mode", 0, 0);
 250         if(ELEM(stype, 0, NS_MODE_OBJECT))
 251                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 252         else
 253                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 254
 255         keymap= WM_keymap_listbase(wm, "EditMesh", 0, 0);
 256         if(stype==NS_EDITMODE_MESH)
 257                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 258         else
 259                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 260
 261         keymap= WM_keymap_listbase(wm, "Curve", 0, 0);
 262         if(stype==NS_EDITMODE_CURVE)
 263                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 264         else
 265                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 266
 267         keymap= WM_keymap_listbase(wm, "Armature", 0, 0);
 268         if(stype==NS_EDITMODE_ARMATURE)
 269                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 270         else
 271                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 272
 273         /* armature sketching needs to take over mouse */
 274         keymap= WM_keymap_listbase(wm, "Armature_Sketch", 0, 0);
 275         if(stype==NS_EDITMODE_TEXT)
 276                 WM_event_add_keymap_handler_priority(&ar->handlers, keymap, 10);
 277         else
 278                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 279
 280         keymap= WM_keymap_listbase(wm, "Particle", 0, 0);
 281         if(stype==NS_MODE_PARTICLE)
 282                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 283         else
 284                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 285
 286         /* editfont keymap swallows all... */
 287         keymap= WM_keymap_listbase(wm, "Font", 0, 0);
 288         if(stype==NS_EDITMODE_TEXT)
 289                 WM_event_add_keymap_handler_priority(&ar->handlers, keymap, 10);
 290         else
 291                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 292
 293 }
 294
 295 /* add handlers, stuff you only do once or on area/region changes */
 296 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
 297 {
 298         RegionView3D *rv3d= ar->regiondata;
 299         ListBase *keymap;
 300
 301         /* own keymap */
 302         keymap= WM_keymap_listbase(wm, "View3D Generic", SPACE_VIEW3D, 0);
 303         WM_event_add_keymap_handler(&ar->handlers, keymap);
 304         keymap= WM_keymap_listbase(wm, "View3D", SPACE_VIEW3D, 0);
 305         WM_event_add_keymap_handler(&ar->handlers, keymap);
 306
 307         /* object ops. */
 308         keymap= WM_keymap_listbase(wm, "Object Non-modal", 0, 0);
 309         WM_event_add_keymap_handler(&ar->handlers, keymap);
 310
 311         /* pose is not modal, operator poll checks for this */
 312         keymap= WM_keymap_listbase(wm, "Pose", 0, 0);
 313         WM_event_add_keymap_handler(&ar->handlers, keymap);
 314
 315         /* modal ops keymaps */
 316         view3d_modal_keymaps(wm, ar, rv3d->lastmode);
 317         /* operator poll checks for modes */
 318         keymap= WM_keymap_listbase(wm, "ImagePaint", 0, 0);
 319         WM_event_add_keymap_handler(&ar->handlers, keymap);
 320 }
 321
 322 /* type callback, not region itself */
 323 static void view3d_main_area_free(ARegion *ar)
 324 {
 325         RegionView3D *rv3d= ar->regiondata;
 326
 327         if(rv3d) {
 328                 if(rv3d->localvd) MEM_freeN(rv3d->localvd);
 329                 if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
 330
 331                 // XXX  retopo_free_view_data(rv3d);
 332                 if(rv3d->ri) {
 333                         // XXX          BIF_view3d_previewrender_free(rv3d);
 334                 }
 335
 336                 if(rv3d->depths) {
 337                         if(rv3d->depths->depths) MEM_freeN(rv3d->depths->depths);
 338                         MEM_freeN(rv3d->depths);
 339                 }
 340                 MEM_freeN(rv3d);
 341                 ar->regiondata= NULL;
 342         }
 343 }
 344
 345 /* copy regiondata */
 346 static void *view3d_main_area_duplicate(void *poin)
 347 {
 348         if(poin) {
 349                 RegionView3D *rv3d= poin, *new;
 350
 351                 new= MEM_dupallocN(rv3d);
 352                 if(rv3d->localvd)
 353                         new->localvd= MEM_dupallocN(rv3d->localvd);
 354                 if(rv3d->clipbb)
 355                         new->clipbb= MEM_dupallocN(rv3d->clipbb);
 356
 357                 new->depths= NULL;
 358                 new->retopo_view_data= NULL;
 359                 new->ri= NULL;
 360                 new->gpd= NULL;
 361                 new->sms= NULL;
 362                 new->smooth_timer= NULL;
 363
 364                 return new;
 365         }
 366         return NULL;
 367 }
 368
 369 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
 370 {
 371         /* context changes */
 372         switch(wmn->category) {
 373                 case NC_SCENE:
 374                         switch(wmn->data) {
 375                                 case ND_TRANSFORM:
 376                                 case ND_FRAME:
 377                                 case ND_OB_ACTIVE:
 378                                 case ND_OB_SELECT:
 379                                         ED_region_tag_redraw(ar);
 380                                         break;
 381                                 case ND_MODE:
 382                                         view3d_modal_keymaps(wmn->wm, ar, wmn->subtype);
 383                                         ED_region_tag_redraw(ar);
 384                                         break;
 385                         }
 386                         break;
 387                 case NC_OBJECT:
 388                         switch(wmn->data) {
 389                                 case ND_BONE_ACTIVE:
 390                                 case ND_BONE_SELECT:
 391                                 case ND_TRANSFORM:
 392                                 case ND_GEOM_SELECT:
 393                                 case ND_GEOM_DATA:
 394                                 case ND_DRAW:
 395                                 case ND_MODIFIER:
 396                                 case ND_KEYS:
 397                                         ED_region_tag_redraw(ar);
 398                                         break;
 399                         }
 400                 case NC_GROUP:
 401                         /* all group ops for now */
 402                         ED_region_tag_redraw(ar);
 403                         break;
 404                 case NC_MATERIAL:
 405                         switch(wmn->data) {
 406                                 case ND_SHADING_DRAW:
 407                                         ED_region_tag_redraw(ar);
 408                                         break;
 409                         }
 410                 case NC_LAMP:
 411                         switch(wmn->data) {
 412                                 case ND_LIGHTING_DRAW:
 413                                         ED_region_tag_redraw(ar);
 414                                         break;
 415                         }
 416                 case NC_IMAGE:
 417                         /* this could be more fine grained checks if we had
 418                          * more context than just the region */
 419                         ED_region_tag_redraw(ar);
 420                         break;
 421         }
 422 }
 423
 424 /* concept is to retrieve cursor type context-less */
 425 static void view3d_main_area_cursor(wmWindow *win, ScrArea *sa, ARegion *ar)
 426 {
 427         Scene *scene= win->screen->scene;
 428
 429         if(scene->obedit) {
 430                 WM_cursor_set(win, CURSOR_EDIT);
 431         }
 432         else {
 433                 WM_cursor_set(win, CURSOR_STD);
 434         }
 435 }
 436
 437 /* add handlers, stuff you only do once or on area/region changes */
 438 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
 439 {
 440         ListBase *keymap= WM_keymap_listbase(wm, "View3D Generic", SPACE_VIEW3D, 0);
 441
 442         WM_event_add_keymap_handler(&ar->handlers, keymap);
 443
 444         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
 445 }
 446
 447 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
 448 {
 449         float col[3];
 450
 451         /* clear */
 452         if(ED_screen_area_active(C))
 453                 UI_GetThemeColor3fv(TH_HEADER, col);
 454         else
 455                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
 456
 457         glClearColor(col[0], col[1], col[2], 0.0);
 458         glClear(GL_COLOR_BUFFER_BIT);
 459
 460         /* set view2d view matrix for scrolling (without scrollers) */
 461         UI_view2d_view_ortho(C, &ar->v2d);
 462
 463         view3d_header_buttons(C, ar);
 464
 465         /* restore view matrix? */
 466         UI_view2d_view_restore(C);
 467 }
 468
 469 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
 470 {
 471         /* context changes */
 472         switch(wmn->category) {
 473                 case NC_SCENE:
 474                         switch(wmn->data) {
 475                                 case ND_FRAME:
 476                                 case ND_OB_ACTIVE:
 477                                 case ND_OB_SELECT:
 478                                 case ND_MODE:
 479                                         ED_region_tag_redraw(ar);
 480                                         break;
 481                         }
 482                         break;
 483         }
 484 }
 485
 486 /* add handlers, stuff you only do once or on area/region changes */
 487 static void view3d_buttons_area_init(wmWindowManager *wm, ARegion *ar)
 488 {
 489         ListBase *keymap;
 490
 491         ED_region_panels_init(wm, ar);
 492
 493         keymap= WM_keymap_listbase(wm, "View3D Generic", SPACE_VIEW3D, 0);
 494         WM_event_add_keymap_handler(&ar->handlers, keymap);
 495 }
 496
 497 static void view3d_buttons_area_draw(const bContext *C, ARegion *ar)
 498 {
 499         ED_region_panels(C, ar, 1, NULL);
 500 }
 501
 502 static void view3d_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
 503 {
 504         /* context changes */
 505         switch(wmn->category) {
 506                 case NC_SCENE:
 507                         switch(wmn->data) {
 508                                 case ND_FRAME:
 509                                 case ND_OB_ACTIVE:
 510                                 case ND_OB_SELECT:
 511                                 case ND_MODE:
 512                                         ED_region_tag_redraw(ar);
 513                                         break;
 514                         }
 515                         break;
 516                 case NC_OBJECT:
 517                         switch(wmn->data) {
 518                                 case ND_BONE_ACTIVE:
 519                                 case ND_BONE_SELECT:
 520                                 case ND_TRANSFORM:
 521                                 case ND_GEOM_SELECT:
 522                                 case ND_GEOM_DATA:
 523                                 case ND_DRAW:
 524                                 case ND_KEYS:
 525                                         ED_region_tag_redraw(ar);
 526                                         break;
 527                         }
 528         }
 529 }
 530
 531 /* add handlers, stuff you only do once or on area/region changes */
 532 static void view3d_tools_area_init(wmWindowManager *wm, ARegion *ar)
 533 {
 534         ListBase *keymap;
 535
 536         ED_region_panels_init(wm, ar);
 537
 538         keymap= WM_keymap_listbase(wm, "View3D Generic", SPACE_VIEW3D, 0);
 539         WM_event_add_keymap_handler(&ar->handlers, keymap);
 540 }
 541
 542 static void view3d_tools_area_draw(const bContext *C, ARegion *ar)
 543 {
 544         ED_region_panels(C, ar, 1, NULL);
 545 }
 546
 547 /*
 548  * Returns true if the Object is a from an external blend file (libdata)
 549  */
 550 static int object_is_libdata(Object *ob)
 551 {
 552         if (!ob) return 0;
 553         if (ob->proxy) return 0;
 554         if (ob->id.lib) return 1;
 555         return 0;
 556 }
 557
 558 static int view3d_context(const bContext *C, const char *member, bContextDataResult *result)
 559 {
 560         View3D *v3d= CTX_wm_view3d(C);
 561         Scene *scene= CTX_data_scene(C);
 562         Base *base;
 563
 564         if(v3d==NULL) return 0;
 565
 566         if(CTX_data_equals(member, "selected_objects") || CTX_data_equals(member, "selected_bases")) {
 567                 int selected_objects= CTX_data_equals(member, "selected_objects");
 568
 569                 for(base=scene->base.first; base; base=base->next) {
 570                         if((base->flag & SELECT) && (base->lay & v3d->lay)) {
 571                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 572                                         if(selected_objects)
 573                                                 CTX_data_id_list_add(result, &base->object->id);
 574                                         else
 575                                                 CTX_data_list_add(result, &scene->id, &RNA_UnknownType, base);
 576                                 }
 577                         }
 578                 }
 579
 580                 return 1;
 581         }
 582         else if(CTX_data_equals(member, "selected_editable_objects") || CTX_data_equals(member, "selected_editable_bases")) {
 583                 int selected_editable_objects= CTX_data_equals(member, "selected_editable_objects");
 584
 585                 for(base=scene->base.first; base; base=base->next) {
 586                         if((base->flag & SELECT) && (base->lay & v3d->lay)) {
 587                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 588                                         if(0==object_is_libdata(base->object)) {
 589                                                 if(selected_editable_objects)
 590                                                         CTX_data_id_list_add(result, &base->object->id);
 591                                                 else
 592                                                         CTX_data_list_add(result, &scene->id, &RNA_UnknownType, base);
 593                                         }
 594                                 }
 595                         }
 596                 }
 597
 598                 return 1;
 599         }
 600         else if(CTX_data_equals(member, "visible_objects") || CTX_data_equals(member, "visible_bases")) {
 601                 int visible_objects= CTX_data_equals(member, "visible_objects");
 602
 603                 for(base=scene->base.first; base; base=base->next) {
 604                         if(base->lay & v3d->lay) {
 605                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 606                                         if(visible_objects)
 607                                                 CTX_data_id_list_add(result, &base->object->id);
 608                                         else
 609                                                 CTX_data_list_add(result, &scene->id, &RNA_UnknownType, base);
 610                                 }
 611                         }
 612                 }
 613
 614                 return 1;
 615         }
 616         else if(CTX_data_equals(member, "active_base")) {
 617                 if(scene->basact && (scene->basact->lay & v3d->lay))
 618                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 619                                 CTX_data_pointer_set(result, &scene->id, &RNA_UnknownType, scene->basact);
 620
 621                 return 1;
 622         }
 623         else if(CTX_data_equals(member, "active_object")) {
 624                 if(scene->basact && (scene->basact->lay & v3d->lay))
 625                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 626                                 CTX_data_id_pointer_set(result, &scene->basact->object->id);
 627
 628                 return 1;
 629         }
 630         else if(CTX_data_equals(member, "visible_bones") || CTX_data_equals(member, "editable_bones")) {
 631                 Object *obedit= scene->obedit; // XXX get from context?
 632                 bArmature *arm= (obedit) ? obedit->data : NULL;
 633                 EditBone *ebone, *flipbone=NULL;
 634                 int editable_bones= CTX_data_equals(member, "editable_bones");
 635
 636                 if (arm && arm->edbo) {
 637                         /* Attention: X-Axis Mirroring is also handled here... */
 638                         for (ebone= arm->edbo->first; ebone; ebone= ebone->next) {
 639                                 /* first and foremost, bone must be visible and selected */
 640                                 if (EBONE_VISIBLE(arm, ebone)) {
 641                                         /* Get 'x-axis mirror equivalent' bone if the X-Axis Mirroring option is enabled
 642                                          * so that most users of this data don't need to explicitly check for it themselves.
 643                                          *
 644                                          * We need to make sure that these mirrored copies are not selected, otherwise some
 645                                          * bones will be operated on twice.
 646                                          */
 647                                         if (arm->flag & ARM_MIRROR_EDIT)
 648                                                 flipbone = ED_armature_bone_get_mirrored(arm->edbo, ebone);
 649
 650                                         /* if we're filtering for editable too, use the check for that instead, as it has selection check too */
 651                                         if (editable_bones) {
 652                                                 /* only selected + editable */
 653                                                 if (EBONE_EDITABLE(ebone)) {
 654                                                         CTX_data_list_add(result, &arm->id, &RNA_UnknownType, ebone);
 655
 656                                                         if ((flipbone) && !(flipbone->flag & BONE_SELECTED))
 657                                                                 CTX_data_list_add(result, &arm->id, &RNA_UnknownType, flipbone);
 658                                                 }
 659                                         }
 660                                         else {
 661                                                 /* only include bones if visible */
 662                                                 CTX_data_list_add(result, &arm->id, &RNA_UnknownType, ebone);
 663
 664                                                 if ((flipbone) && EBONE_VISIBLE(arm, flipbone)==0)
 665                                                         CTX_data_list_add(result, &arm->id, &RNA_UnknownType, flipbone);
 666                                         }
 667                                 }
 668                         }
 669
 670                         return 1;
 671                 }
 672         }
 673         else if(CTX_data_equals(member, "selected_bones") || CTX_data_equals(member, "selected_editable_bones")) {
 674                 Object *obedit= scene->obedit; // XXX get from context?
 675                 bArmature *arm= (obedit) ? obedit->data : NULL;
 676                 EditBone *ebone, *flipbone=NULL;
 677                 int selected_editable_bones= CTX_data_equals(member, "selected_editable_bones");
 678
 679                 if (arm && arm->edbo) {
 680                         /* Attention: X-Axis Mirroring is also handled here... */
 681                         for (ebone= arm->edbo->first; ebone; ebone= ebone->next) {
 682                                 /* first and foremost, bone must be visible and selected */
 683                                 if (EBONE_VISIBLE(arm, ebone) && (ebone->flag & BONE_SELECTED)) {
 684                                         /* Get 'x-axis mirror equivalent' bone if the X-Axis Mirroring option is enabled
 685                                          * so that most users of this data don't need to explicitly check for it themselves.
 686                                          *
 687                                          * We need to make sure that these mirrored copies are not selected, otherwise some
 688                                          * bones will be operated on twice.
 689                                          */
 690                                         if (arm->flag & ARM_MIRROR_EDIT)
 691                                                 flipbone = ED_armature_bone_get_mirrored(arm->edbo, ebone);
 692
 693                                         /* if we're filtering for editable too, use the check for that instead, as it has selection check too */
 694                                         if (selected_editable_bones) {
 695                                                 /* only selected + editable */
 696                                                 if (EBONE_EDITABLE(ebone)) {
 697                                                         CTX_data_list_add(result, &arm->id, &RNA_UnknownType, ebone);
 698
 699                                                         if ((flipbone) && !(flipbone->flag & BONE_SELECTED))
 700                                                                 CTX_data_list_add(result, &arm->id, &RNA_UnknownType, flipbone);
 701                                                 }
 702                                         }
 703                                         else {
 704                                                 /* only include bones if selected */
 705                                                 CTX_data_list_add(result, &arm->id, &RNA_UnknownType, ebone);
 706
 707                                                 if ((flipbone) && !(flipbone->flag & BONE_SELECTED))
 708                                                         CTX_data_list_add(result, &arm->id, &RNA_UnknownType, flipbone);
 709                                         }
 710                                 }
 711                         }
 712
 713                         return 1;
 714                 }
 715         }
 716         else if(CTX_data_equals(member, "visible_pchans")) {
 717                 Object *obact= OBACT;
 718                 bArmature *arm= (obact) ? obact->data : NULL;
 719                 bPoseChannel *pchan;
 720
 721                 if (obact && arm) {
 722                         for (pchan= obact->pose->chanbase.first; pchan; pchan= pchan->next) {
 723                                 /* ensure that PoseChannel is on visible layer and is not hidden in PoseMode */
 724                                 if ((pchan->bone) && (arm->layer & pchan->bone->layer) && !(pchan->bone->flag & BONE_HIDDEN_P)) {
 725                                         CTX_data_list_add(result, &obact->id, &RNA_PoseChannel, pchan);
 726                                 }
 727                         }
 728
 729                         return 1;
 730                 }
 731         }
 732         else if(CTX_data_equals(member, "selected_pchans")) {
 733                 Object *obact= OBACT;
 734                 bArmature *arm= (obact) ? obact->data : NULL;
 735                 bPoseChannel *pchan;
 736
 737                 if (obact && arm) {
 738                         for (pchan= obact->pose->chanbase.first; pchan; pchan= pchan->next) {
 739                                 /* ensure that PoseChannel is on visible layer and is not hidden in PoseMode */
 740                                 if ((pchan->bone) && (arm->layer & pchan->bone->layer) && !(pchan->bone->flag & BONE_HIDDEN_P)) {
 741                                         if (pchan->bone->flag & (BONE_SELECTED|BONE_ACTIVE))
 742                                                 CTX_data_list_add(result, &obact->id, &RNA_PoseChannel, pchan);
 743                                 }
 744                         }
 745
 746                         return 1;
 747                 }
 748         }
 749         else if(CTX_data_equals(member, "active_bone")) {
 750                 Object *obedit= scene->obedit; // XXX get from context?
 751                 bArmature *arm= (obedit) ? obedit->data : NULL;
 752                 EditBone *ebone;
 753
 754                 if (arm && arm->edbo) {
 755                         for (ebone= arm->edbo->first; ebone; ebone= ebone->next) {
 756                                 if (EBONE_VISIBLE(arm, ebone)) {
 757                                         if (ebone->flag & BONE_ACTIVE) {
 758                                                 CTX_data_pointer_set(result, &arm->id, &RNA_UnknownType, ebone);
 759
 760                                                 return 1;
 761                                         }
 762                                 }
 763                         }
 764                 }
 765
 766         }
 767         else if(CTX_data_equals(member, "active_pchan")) {
 768                 Object *obact= OBACT;
 769                 bPoseChannel *pchan;
 770
 771                 pchan= get_active_posechannel(obact);
 772                 if (pchan) {
 773                         CTX_data_pointer_set(result, &obact->id, &RNA_PoseChannel, pchan);
 774                         return 1;
 775                 }
 776         }
 777
 778         return 0;
 779 }
 780
 781 /* only called once, from space/spacetypes.c */
 782 void ED_spacetype_view3d(void)
 783 {
 784         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype view3d");
 785         ARegionType *art;
 786
 787         st->spaceid= SPACE_VIEW3D;
 788
 789         st->new= view3d_new;
 790         st->free= view3d_free;
 791         st->init= view3d_init;
 792         st->duplicate= view3d_duplicate;
 793         st->operatortypes= view3d_operatortypes;
 794         st->keymap= view3d_keymap;
 795         st->context= view3d_context;
 796
 797         /* regions: main window */
 798         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 799         art->regionid = RGN_TYPE_WINDOW;
 800         art->keymapflag= ED_KEYMAP_FRAMES;
 801         art->draw= view3d_main_area_draw;
 802         art->init= view3d_main_area_init;
 803         art->free= view3d_main_area_free;
 804         art->duplicate= view3d_main_area_duplicate;
 805         art->listener= view3d_main_area_listener;
 806         art->cursor= view3d_main_area_cursor;
 807         BLI_addhead(&st->regiontypes, art);
 808
 809         /* regions: listview/buttons */
 810         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 811         art->regionid = RGN_TYPE_UI;
 812         art->minsizex= 220; // XXX
 813         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
 814         art->listener= view3d_buttons_area_listener;
 815         art->init= view3d_buttons_area_init;
 816         art->draw= view3d_buttons_area_draw;
 817         BLI_addhead(&st->regiontypes, art);
 818
 819         view3d_buttons_register(art);
 820
 821         /* regions: tool(bar) */
 822         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 823         art->regionid = RGN_TYPE_TOOLS;
 824         art->minsizex= 120; // XXX
 825         art->minsizey= 50; // XXX
 826         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
 827         art->listener= view3d_buttons_area_listener;
 828         art->init= view3d_tools_area_init;
 829         art->draw= view3d_tools_area_draw;
 830         BLI_addhead(&st->regiontypes, art);
 831
 832         view3d_toolbar_register(art);
 833
 834         /* regions: header */
 835         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 836         art->regionid = RGN_TYPE_HEADER;
 837         art->minsizey= HEADERY;
 838         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
 839         art->listener= view3d_header_area_listener;
 840         art->init= view3d_header_area_init;
 841         art->draw= view3d_header_area_draw;
 842         BLI_addhead(&st->regiontypes, art);
 843
 844         BKE_spacetype_register(st);
 845 }
 846