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 *vd;
  70
  71         vd= MEM_callocN(sizeof(View3D), "initview3d");
  72         vd->spacetype= SPACE_VIEW3D;
  73         vd->blockscale= 0.7f;
  74         vd->lay= vd->layact= 1;
  75         if(scene) {
  76                 vd->lay= vd->layact= scene->lay;
  77                 vd->camera= scene->camera;
  78         }
  79         vd->scenelock= 1;
  80         vd->grid= 1.0f;
  81         vd->gridlines= 16;
  82         vd->gridsubdiv = 10;
  83         vd->drawtype= OB_WIRE;
  84
  85         vd->gridflag |= V3D_SHOW_X;
  86         vd->gridflag |= V3D_SHOW_Y;
  87         vd->gridflag |= V3D_SHOW_FLOOR;
  88         vd->gridflag &= ~V3D_SHOW_Z;
  89
  90         vd->depths= NULL;
  91
  92         /* XXX move view data to region? */
  93         vd->viewquat[0]= 1.0f;
  94         vd->viewquat[1]= vd->viewquat[2]= vd->viewquat[3]= 0.0f;
  95         vd->persp= 1;
  96         vd->view= 7;
  97         vd->dist= 10.0;
  98         vd->lens= 35.0f;
  99         vd->near= 0.01f;
 100         vd->far= 500.0f;
 101
 102         /* header */
 103         ar= MEM_callocN(sizeof(ARegion), "header for view3d");
 104
 105         BLI_addtail(&vd->regionbase, ar);
 106         ar->regiontype= RGN_TYPE_HEADER;
 107         ar->alignment= RGN_ALIGN_BOTTOM;
 108
 109         /* main area */
 110         ar= MEM_callocN(sizeof(ARegion), "main area for view3d");
 111
 112         BLI_addtail(&vd->regionbase, ar);
 113         ar->regiontype= RGN_TYPE_WINDOW;
 114
 115         return (SpaceLink *)vd;
 116 }
 117
 118 /* not spacelink itself */
 119 static void view3d_free(SpaceLink *sl)
 120 {
 121         View3D *vd= (View3D *) sl;
 122
 123         if(vd->bgpic) {
 124                 if(vd->bgpic->ima) vd->bgpic->ima->id.us--;
 125                 MEM_freeN(vd->bgpic);
 126         }
 127
 128         if(vd->localvd) MEM_freeN(vd->localvd);
 129         if(vd->clipbb) MEM_freeN(vd->clipbb);
 130         if(vd->depths) {
 131                 if(vd->depths->depths) MEM_freeN(vd->depths->depths);
 132                 MEM_freeN(vd->depths);
 133                 vd->depths= NULL;
 134         }
 135
 136 // XXX  retopo_free_view_data(vd);
 137
 138         if(vd->properties_storage) MEM_freeN(vd->properties_storage);
 139         if(vd->ri) {
 140 // XXX          BIF_view3d_previewrender_free(vd);
 141         }
 142
 143 }
 144
 145
 146 /* spacetype; init callback */
 147 static void view3d_init(struct wmWindowManager *wm, ScrArea *sa)
 148 {
 149
 150 }
 151
 152 static SpaceLink *view3d_duplicate(SpaceLink *sl)
 153 {
 154         View3D *v3do= (View3D *)sl;
 155         View3D *v3dn= MEM_dupallocN(sl);
 156
 157         /* clear or remove stuff from old */
 158
 159 // XXX  BIF_view3d_previewrender_free(v3do);
 160         v3do->depths= NULL;
 161         v3do->retopo_view_data= NULL;
 162
 163         if(v3do->localvd) {
 164 // XXX          restore_localviewdata(v3do);
 165                 v3do->localvd= NULL;
 166                 v3do->properties_storage= NULL;
 167                 v3do->localview= 0;
 168                 v3do->lay &= 0xFFFFFF;
 169         }
 170
 171         /* copy or clear inside new stuff */
 172
 173         if(v3dn->bgpic) {
 174                 v3dn->bgpic= MEM_dupallocN(v3dn->bgpic);
 175                 if(v3dn->bgpic->ima) v3dn->bgpic->ima->id.us++;
 176         }
 177         v3dn->clipbb= MEM_dupallocN(v3dn->clipbb);
 178         v3dn->ri= NULL;
 179         v3dn->properties_storage= NULL;
 180
 181         return (SpaceLink *)v3dn;
 182 }
 183
 184 static void view3d_main_area_draw(const bContext *C, ARegion *ar)
 185 {
 186         /* draw entirely, view changes should be handled here */
 187         ScrArea *sa= CTX_wm_area(C);
 188         View3D *v3d= sa->spacedata.first;       /* XXX get from region */
 189
 190         drawview3dspace(CTX_data_scene(C), ar, v3d);
 191 }
 192
 193 /* add handlers, stuff you only do once or on area/region changes */
 194 static void view3d_main_area_init(wmWindowManager *wm, ARegion *ar)
 195 {
 196         ListBase *keymap;
 197
 198         /* own keymap */
 199         keymap= WM_keymap_listbase(wm, "View3D", SPACE_VIEW3D, 0);
 200         WM_event_add_keymap_handler(&ar->handlers, keymap);
 201
 202         /* object ops. */
 203         keymap= WM_keymap_listbase(wm, "Object Non-modal", 0, 0);
 204         WM_event_add_keymap_handler(&ar->handlers, keymap);
 205
 206         /* object modal ops default */
 207         keymap= WM_keymap_listbase(wm, "Object Mode", 0, 0);
 208         WM_event_add_keymap_handler(&ar->handlers, keymap);
 209
 210 }
 211
 212 static void view3d_modal_keymaps(wmWindowManager *wm, ARegion *ar, int stype)
 213 {
 214         ListBase *keymap;
 215
 216         keymap= WM_keymap_listbase(wm, "Object Mode", 0, 0);
 217         if(stype==NS_MODE_OBJECT)
 218                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 219         else
 220                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 221
 222
 223         keymap= WM_keymap_listbase(wm, "EditMesh", 0, 0);
 224         if(stype==NS_EDITMODE_MESH)
 225                 WM_event_add_keymap_handler(&ar->handlers, keymap);
 226         else
 227                 WM_event_remove_keymap_handler(&ar->handlers, keymap);
 228
 229 }
 230
 231 static void view3d_main_area_listener(ARegion *ar, wmNotifier *wmn)
 232 {
 233         /* context changes */
 234         switch(wmn->category) {
 235                 case NC_SCENE:
 236                         switch(wmn->data) {
 237                                 case ND_FRAME:
 238                                 case ND_OB_ACTIVE:
 239                                 case ND_OB_SELECT:
 240                                         ED_region_tag_redraw(ar);
 241                                         break;
 242                                 case ND_MODE:
 243                                         view3d_modal_keymaps(wmn->wm, ar, wmn->subtype);
 244                                         ED_region_tag_redraw(ar);
 245                                         break;
 246                         }
 247                         break;
 248                 case NC_OBJECT:
 249                         switch(wmn->data) {
 250                                 case ND_BONE_ACTIVE:
 251                                 case ND_BONE_SELECT:
 252                                 case ND_TRANSFORM:
 253                                 case ND_GEOM_SELECT:
 254                                 case ND_DRAW:
 255                                         ED_region_tag_redraw(ar);
 256                                         break;
 257                         }
 258                 case NC_MATERIAL:
 259                         switch(wmn->data) {
 260                                 case ND_SHADING_DRAW:
 261                                         ED_region_tag_redraw(ar);
 262                                         break;
 263                         }
 264                 case NC_LAMP:
 265                         switch(wmn->data) {
 266                                 case ND_LIGHTING_DRAW:
 267                                         ED_region_tag_redraw(ar);
 268                                         break;
 269                         }
 270         }
 271 }
 272
 273 /* add handlers, stuff you only do once or on area/region changes */
 274 static void view3d_header_area_init(wmWindowManager *wm, ARegion *ar)
 275 {
 276         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
 277 }
 278
 279 static void view3d_header_area_draw(const bContext *C, ARegion *ar)
 280 {
 281         float col[3];
 282
 283         /* clear */
 284         if(ED_screen_area_active(C))
 285                 UI_GetThemeColor3fv(TH_HEADER, col);
 286         else
 287                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
 288
 289         glClearColor(col[0], col[1], col[2], 0.0);
 290         glClear(GL_COLOR_BUFFER_BIT);
 291
 292         /* set view2d view matrix for scrolling (without scrollers) */
 293         UI_view2d_view_ortho(C, &ar->v2d);
 294
 295         view3d_header_buttons(C, ar);
 296
 297         /* restore view matrix? */
 298         UI_view2d_view_restore(C);
 299 }
 300
 301 static void view3d_header_area_listener(ARegion *ar, wmNotifier *wmn)
 302 {
 303         /* context changes */
 304         switch(wmn->category) {
 305                 case NC_SCENE:
 306                         switch(wmn->data) {
 307                                 case ND_FRAME:
 308                                 case ND_OB_ACTIVE:
 309                                 case ND_OB_SELECT:
 310                                 case ND_MODE:
 311                                         ED_region_tag_redraw(ar);
 312                                         break;
 313                         }
 314                         break;
 315         }
 316 }
 317
 318
 319 static int view3d_context(const bContext *C, const bContextDataMember *member, bContextDataResult *result)
 320 {
 321         View3D *v3d= (View3D*)CTX_wm_space_data(C);
 322         Scene *scene= CTX_data_scene(C);
 323         Base *base;
 324
 325         if(ELEM(member, CTX_data_selected_objects, CTX_data_selected_bases)) {
 326                 for(base=scene->base.first; base; base=base->next) {
 327                         if((base->flag & SELECT) && (base->lay & v3d->lay)) {
 328                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 329                                         if(member == CTX_data_selected_objects)
 330                                                 CTX_data_list_add(result, base->object);
 331                                         else
 332                                                 CTX_data_list_add(result, base);
 333                                 }
 334                         }
 335                 }
 336
 337                 return 1;
 338         }
 339         else if(ELEM(member, CTX_data_visible_objects, CTX_data_visible_bases)) {
 340                 for(base=scene->base.first; base; base=base->next) {
 341                         if(base->lay & v3d->lay) {
 342                                 if((base->object->restrictflag & OB_RESTRICT_VIEW)==0) {
 343                                         if(member == CTX_data_selected_objects)
 344                                                 CTX_data_list_add(result, base->object);
 345                                         else
 346                                                 CTX_data_list_add(result, base);
 347                                 }
 348                         }
 349                 }
 350
 351                 return 1;
 352         }
 353         else if(member == CTX_data_active_base) {
 354                 if(scene->basact && (scene->basact->lay & v3d->lay))
 355                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 356                                 CTX_data_pointer_set(result, scene->basact);
 357
 358                 return 1;
 359         }
 360         else if(member == CTX_data_active_object) {
 361                 if(scene->basact && (scene->basact->lay & v3d->lay))
 362                         if((scene->basact->object->restrictflag & OB_RESTRICT_VIEW)==0)
 363                                 CTX_data_pointer_set(result, scene->basact->object);
 364
 365                 return 1;
 366         }
 367
 368         return 0;
 369 }
 370
 371 /* only called once, from space/spacetypes.c */
 372 void ED_spacetype_view3d(void)
 373 {
 374         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype view3d");
 375         ARegionType *art;
 376
 377         st->spaceid= SPACE_VIEW3D;
 378
 379         st->new= view3d_new;
 380         st->free= view3d_free;
 381         st->init= view3d_init;
 382         st->duplicate= view3d_duplicate;
 383         st->operatortypes= view3d_operatortypes;
 384         st->keymap= view3d_keymap;
 385         st->context= view3d_context;
 386
 387         /* regions: main window */
 388         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 389         art->regionid = RGN_TYPE_WINDOW;
 390         art->draw= view3d_main_area_draw;
 391         art->init= view3d_main_area_init;
 392         art->listener= view3d_main_area_listener;
 393         BLI_addhead(&st->regiontypes, art);
 394
 395         /* regions: header */
 396         art= MEM_callocN(sizeof(ARegionType), "spacetype view3d region");
 397         art->regionid = RGN_TYPE_HEADER;
 398         art->minsizey= HEADERY;
 399         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
 400         art->listener= view3d_header_area_listener;
 401
 402         art->init= view3d_header_area_init;
 403         art->draw= view3d_header_area_draw;
 404
 405         BLI_addhead(&st->regiontypes, art);
 406
 407         BKE_spacetype_register(st);
 408 }
 409