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_object_types.h"
  33 #include "DNA_space_types.h"
  34 #include "DNA_scene_types.h"
  35 #include "DNA_screen_types.h"
  36 #include "DNA_view3d_types.h"
  37
  38 #include "MEM_guardedalloc.h"
  39
  40 #include "BLI_blenlib.h"
  41 #include "BLI_arithb.h"
  42 #include "BLI_rand.h"
  43
  44 #include "BKE_context.h"
  45 #include "BKE_global.h"
  46 #include "BKE_screen.h"
  47 #include "BKE_utildefines.h"
  48
  49 #include "ED_space_api.h"
  50 #include "ED_screen.h"
  51
  52 #include "BIF_gl.h"
  53
  54 #include "WM_api.h"
  55 #include "WM_types.h"
  56
  57 #include "UI_interface.h"
  58 #include "UI_resources.h"
  59 #include "UI_view2d.h"
  60
  61 #include "view3d_intern.h"      // own include
  62
  63 /* ******************** default callbacks for view3d space ***************** */
  64
  65 static SpaceLink *view3d_new(const bContext *C)
  66 {
  67         Scene *scene= CTX_data_scene(C);
  68         ARegion *ar;
  69         View3D *v3d;
  70         RegionView3D *rv3d;
  71
  72         v3d= MEM_callocN(sizeof(View3D), "initview3d");
  73         v3d->spacetype= SPACE_VIEW3D;
  74         v3d->blockscale= 0.7f;
  75         v3d->lay= v3d->layact= 1;
  76         if(scene) {
  77                 v3d->lay= v3d->layact= scene->lay;
  78                 v3d->camera= scene->camera;
  79         }
  80         v3d->scenelock= 1;
  81         v3d->grid= 1.0f;
  82         v3d->gridlines= 16;
  83         v3d->gridsubdiv = 10;
  84         v3d->drawtype= OB_WIRE;
  85
  86         v3d->gridflag |= V3D_SHOW_X;
  87         v3d->gridflag |= V3D_SHOW_Y;
  88         v3d->gridflag |= V3D_SHOW_FLOOR;
  89         v3d->gridflag &= ~V3D_SHOW_Z;
  90
  91         v3d->lens= 35.0f;
  92         v3d->near= 0.01f;
  93         v3d->far= 500.0f;
  94
  95         /* header */
  96         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
  97
  98         BLI_addtail(&v3d->regionbase, ar);
  99         ar->regiontype= RGN_TYPE_HEADER;
 100         ar->alignment= RGN_ALIGN_BOTTOM;
 101
 102         /* main area */
 103         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
 104
 105         BLI_addtail(&v3d->regionbase, ar);
 106         ar->regiontype= RGN_TYPE_WINDOW;
 107
 108         ar->regiondata= MEM_callocN(sizeof(RegionView3D), "region view3d");
 109         rv3d= ar->regiondata;
 110         rv3d->viewquat[0]= 1.0f;
 111         rv3d->persp= 1;
 112         rv3d->view= 7;
 113         rv3d->dist= 10.0;
 114         Mat4One(rv3d->twmat);
 115
 116         return (SpaceLink *)v3d;
 117 }
 118
 119 /* not spacelink itself */
 120 static void view3d_free(SpaceLink *sl)
 121 {
 122         View3D *vd= (View3D *) sl;
 123
 124         if(vd->bgpic) {
 125                 if(vd->bgpic->ima) vd->bgpic->ima->id.us--;
 126                 MEM_freeN(vd->bgpic);
 127         }
 128
 129         if(vd->localvd) MEM_freeN(vd->localvd);
 130
 131         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
 132
 133 }
 134
 135
 136 /* spacetype; init callback */
 137 static void view3d_init(struct wmWindowManager *wm, ScrArea *sa)
 138 {
 139
 140 }
 141
 142 static SpaceLink *view3d_duplicate(SpaceLink *sl)
 143 {
 144         View3D *v3do= (View3D *)sl;
 145         View3D *v3dn= MEM_dupallocN(sl);
 146
 147         /* clear or remove stuff from old */
 148
 149 // XXX  BIF_view3d_previewrender_free(v3do);
 150
 151         if(v3do->localvd) {
 152 // XXX          restore_localviewdata(v3do);
 153                 v3do->localvd= NULL;
 154                 v3do->properties_storage= NULL;
 155                 v3do->localview= 0;
 156                 v3do->lay &= 0xFFFFFF;
 157         }
 158
 159         /* copy or clear inside new stuff */
 160
 161         if(v3dn->bgpic) {
 162                 v3dn->bgpic= MEM_dupallocN(v3dn->bgpic);
 163                 if(v3dn->bgpic->ima) v3dn->bgpic->ima->id.us++;
 164         }
 165         v3dn->properties_storage= NULL;
 166
 167         return (SpaceLink *)v3dn;
 168 }
 169
 170 /* add handlers, stuff you only do once or on area/region changes */
 171 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
 172 {
 173         ListBase *keymap;
 174
 175         /* own keymap */
 176         keymap= WM_keymap_listbase(wm, "View3D", SPACE_VIEW3D, 0);
 177         WM_event_add_keymap_handler(&ar->handlers, keymap);
 178
 179         /* object ops. */
 180         keymap= WM_keymap_listbase(wm, "Object Non-modal", 0, 0);
 181         WM_event_add_keymap_handler(&ar->handlers, keymap);
 182
 183         /* object modal ops default */
 184         keymap= WM_keymap_listbase(wm, "Object Mode", 0, 0);
 185         WM_event_add_keymap_handler(&ar->handlers, keymap);
 186
 187 }
 188
 189 /* type callback, not region itself */
 190 static void view3d_main_area_free(ARegion *ar)
 191 {
 192         RegionView3D *rv3d= ar->regiondata;
 193
 194         if(rv3d) {
 195                 if(rv3d->localvd) MEM_freeN(rv3d->localvd);
 196                 if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
 197
 198                 // XXX  retopo_free_view_data(rv3d);
 199                 if(rv3d->ri) {
 200                         // XXX          BIF_view3d_previewrender_free(rv3d);
 201                 }
 202
 203                 if(rv3d->depths) {
 204                         if(rv3d->depths->depths) MEM_freeN(rv3d->depths->depths);
 205                         MEM_freeN(rv3d->depths);
 206                 }
 207                 MEM_freeN(rv3d);
 208                 ar->regiondata= NULL;
 209         }
 210 }
 211
 212 /* copy regiondata */
 213 static void *view3d_main_area_duplicate(void *poin)
 214 {
 215         if(poin) {
 216                 RegionView3D *rv3d= poin, *new;
 217
 218                 new= MEM_dupallocN(rv3d);
 219                 if(rv3d->localvd)
 220                         new->localvd= MEM_dupallocN(rv3d->localvd);
 221                 if(rv3d->clipbb)
 222                         new->clipbb= MEM_dupallocN(rv3d->clipbb);
 223
 224                 new->depths= NULL;
 225                 new->retopo_view_data= NULL;
 226                 new->ri= NULL;
 227                 new->gpd= NULL;
 228                 new->sms= NULL;
 229                 new->smooth_timer= NULL;
 230
 231                 return new;
 232         }
 233         return NULL;
 234 }
 235
 236
 237 static void view3d_modal_keymaps(wmWindowManager *wm, ARegion *ar, int stype)
 238 {
 239         ListBase *keymap;
 240
 241         keymap= WM_keymap_listbase(wm, "Object Mode", 0, 0);
 242         if(stype==NS_MODE_OBJECT)
 243                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 244         else
 245                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 246
 247
 248         keymap= WM_keymap_listbase(wm, "EditMesh", 0, 0);
 249         if(stype==NS_EDITMODE_MESH)
 250                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 251         else
 252                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 253
 254 }
 255
 256 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
 257 {
 258         /* context changes */
 259         switch(wmn->category) {
 260                 case NC_SCENE:
 261                         switch(wmn->data) {
 262                                 case ND_FRAME:
 263                                 case ND_OB_ACTIVE:
 264                                 case ND_OB_SELECT:
 265                                         ED_region_tag_redraw(ar);
 266                                         break;
 267                                 case ND_MODE:
 268                                         view3d_modal_keymaps(wmn->wm, ar, wmn->subtype);
 269                                         ED_region_tag_redraw(ar);
 270                                         break;
 271                         }
 272                         break;
 273                 case NC_OBJECT:
 274                         switch(wmn->data) {
 275                                 case ND_BONE_ACTIVE:
 276                                 case ND_BONE_SELECT:
 277                                 case ND_TRANSFORM:
 278                                 case ND_GEOM_SELECT:
 279                                 case ND_DRAW:
 280                                 case ND_MODIFIER:
 281                                         ED_region_tag_redraw(ar);
 282                                         break;
 283                         }
 284                 case NC_MATERIAL:
 285                         switch(wmn->data) {
 286                                 case ND_SHADING_DRAW:
 287                                         ED_region_tag_redraw(ar);
 288                                         break;
 289                         }
 290                 case NC_LAMP:
 291                         switch(wmn->data) {
 292                                 case ND_LIGHTING_DRAW:
 293                                         ED_region_tag_redraw(ar);
 294                                         break;
 295                         }
 296         }
 297 }
 298
 299 /* concept is to retrieve cursor type context-less */
 300 static void view3d_main_area_cursor(wmWindow *win, ScrArea *sa, ARegion *ar)
 301 {
 302         Scene *scene= win->screen->scene;
 303
 304         if(scene->obedit) {
 305                 WM_cursor_set(win, CURSOR_EDIT);
 306         }
 307         else {
 308                 WM_cursor_set(win, CURSOR_STD);
 309         }
 310 }
 311
 312 /* add handlers, stuff you only do once or on area/region changes */
 313 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
 314 {
 315         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
 316 }
 317
 318 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
 319 {
 320         float col[3];
 321
 322         /* clear */
 323         if(ED_screen_area_active(C))
 324                 UI_GetThemeColor3fv(TH_HEADER, col);
 325         else
 326                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
 327
 328         glClearColor(col[0], col[1], col[2], 0.0);
 329         glClear(GL_COLOR_BUFFER_BIT);
 330
 331         /* set view2d view matrix for scrolling (without scrollers) */
 332         UI_view2d_view_ortho(C, &ar->v2d);
 333
 334         view3d_header_buttons(C, ar);
 335
 336         /* restore view matrix? */
 337         UI_view2d_view_restore(C);
 338 }
 339
 340 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
 341 {
 342         /* context changes */
 343         switch(wmn->category) {
 344                 case NC_SCENE:
 345                         switch(wmn->data) {
 346                                 case ND_FRAME:
 347                                 case ND_OB_ACTIVE:
 348                                 case ND_OB_SELECT:
 349                                 case ND_MODE:
 350                                         ED_region_tag_redraw(ar);
 351                                         break;
 352                         }
 353                         break;
 354         }
 355 }
 356
 357 /*
 358  * Returns true if the Object is a from an external blend file (libdata)
 359  */
 360 static int object_is_libdata(Object *ob)
 361 {
 362         if (!ob) return 0;
 363         if (ob->proxy) return 0;
 364         if (ob->id.lib) return 1;
 365         return 0;
 366 }
 367
 368 static int view3d_context(const bContext *C, const bContextDataMember *member, bContextDataResult *result)
 369 {
 370         View3D *v3d= CTX_wm_view3d(C);
 371         Scene *scene= CTX_data_scene(C);
 372         Base *base;
 373
 374         if(v3d==NULL) return 0;
 375
 376         if(ELEM(member, CTX_data_selected_objects, CTX_data_selected_bases)) {
 377                 for(base=scene->base.first; base; base=base->next) {
 378                         if((base->flag & SELECT) && (base->lay & v3d->lay)) {
 379                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 380                                         if(member == CTX_data_selected_objects)
 381                                                 CTX_data_list_add(result, base->object);
 382                                         else
 383                                                 CTX_data_list_add(result, base);
 384                                 }
 385                         }
 386                 }
 387
 388                 return 1;
 389         }
 390         else if(ELEM(member, CTX_data_selected_editable_objects, CTX_data_selected_editable_bases)) {
 391                 for(base=scene->base.first; base; base=base->next) {
 392                         if((base->flag & SELECT) && (base->lay & v3d->lay)) {
 393                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 394                                         if(0==object_is_libdata(base->object)) {
 395                                                 if(member == CTX_data_selected_editable_objects)
 396                                                         CTX_data_list_add(result, base->object);
 397                                                 else
 398                                                         CTX_data_list_add(result, base);
 399                                         }
 400                                 }
 401                         }
 402                 }
 403
 404                 return 1;
 405         }
 406         else if(ELEM(member, CTX_data_visible_objects, CTX_data_visible_bases)) {
 407                 for(base=scene->base.first; base; base=base->next) {
 408                         if(base->lay & v3d->lay) {
 409                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 410                                         if(member == CTX_data_visible_objects)
 411                                                 CTX_data_list_add(result, base->object);
 412                                         else
 413                                                 CTX_data_list_add(result, base);
 414                                 }
 415                         }
 416                 }
 417
 418                 return 1;
 419         }
 420         else if(member == CTX_data_active_base) {
 421                 if(scene->basact && (scene->basact->lay & v3d->lay))
 422                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 423                                 CTX_data_pointer_set(result, scene->basact);
 424
 425                 return 1;
 426         }
 427         else if(member == CTX_data_active_object) {
 428                 if(scene->basact && (scene->basact->lay & v3d->lay))
 429                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 430                                 CTX_data_pointer_set(result, scene->basact->object);
 431
 432                 return 1;
 433         }
 434
 435         return 0;
 436 }
 437
 438 /* only called once, from space/spacetypes.c */
 439 void ED_spacetype_view3d(void)
 440 {
 441         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype view3d");
 442         ARegionType *art;
 443
 444         st->spaceid= SPACE_VIEW3D;
 445
 446         st->new= view3d_new;
 447         st->free= view3d_free;
 448         st->init= view3d_init;
 449         st->duplicate= view3d_duplicate;
 450         st->operatortypes= view3d_operatortypes;
 451         st->keymap= view3d_keymap;
 452         st->context= view3d_context;
 453
 454         /* regions: main window */
 455         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 456         art->regionid = RGN_TYPE_WINDOW;
 457         art->draw= view3d_main_area_draw;
 458         art->init= view3d_main_area_init;
 459         art->free= view3d_main_area_free;
 460         art->duplicate= view3d_main_area_duplicate;
 461         art->listener= view3d_main_area_listener;
 462         art->cursor= view3d_main_area_cursor;
 463         BLI_addhead(&st->regiontypes, art);
 464
 465         /* regions: header */
 466         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 467         art->regionid = RGN_TYPE_HEADER;
 468         art->minsizey= HEADERY;
 469         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
 470         art->listener= view3d_header_area_listener;
 471
 472         art->init= view3d_header_area_init;
 473         art->draw= view3d_header_area_draw;
 474
 475         BLI_addhead(&st->regiontypes, art);
 476
 477         BKE_spacetype_register(st);
 478 }
 479