svn merge ^/trunk/blender -r46612:46629
[blender.git] / source / blender / editors / space_view3d / view3d_select.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2008 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/editors/space_view3d/view3d_select.c
28  *  \ingroup spview3d
29  */
30
31
32 #include <string.h>
33 #include <stdio.h>
34 #include <math.h>
35 #include <float.h>
36 #include <assert.h>
37
38 #include "DNA_action_types.h"
39 #include "DNA_armature_types.h"
40 #include "DNA_curve_types.h"
41 #include "DNA_meta_types.h"
42 #include "DNA_mesh_types.h"
43 #include "DNA_meshdata_types.h"
44 #include "DNA_object_types.h"
45 #include "DNA_scene_types.h"
46 #include "DNA_tracking_types.h"
47
48 #include "MEM_guardedalloc.h"
49
50 #include "BLI_math.h"
51 #include "BLI_lasso.h"
52 #include "BLI_rect.h"
53 #include "BLI_rand.h"
54 #include "BLI_linklist.h"
55 #include "BLI_listbase.h"
56 #include "BLI_string.h"
57 #include "BLI_utildefines.h"
58
59 /* vertex box select */
60 #include "IMB_imbuf_types.h"
61 #include "IMB_imbuf.h"
62 #include "BKE_global.h"
63
64 #include "BKE_context.h"
65 #include "BKE_paint.h"
66 #include "BKE_armature.h"
67 #include "BKE_tessmesh.h"
68 #include "BKE_movieclip.h"
69 #include "BKE_object.h"
70 #include "BKE_tracking.h"
71
72
73 #include "BIF_gl.h"
74 #include "BIF_glutil.h"
75
76 #include "WM_api.h"
77 #include "WM_types.h"
78
79 #include "RNA_access.h"
80 #include "RNA_define.h"
81 #include "RNA_enum_types.h"
82
83 #include "ED_armature.h"
84 #include "ED_curve.h"
85 #include "ED_particle.h"
86 #include "ED_mesh.h"
87 #include "ED_object.h"
88 #include "ED_screen.h"
89 #include "ED_mball.h"
90
91 #include "UI_interface.h"
92 #include "UI_resources.h"
93
94 #include "view3d_intern.h"  // own include
95
96 // TODO: should return whether there is valid context to continue
97 void view3d_set_viewcontext(bContext *C, ViewContext *vc)
98 {
99         memset(vc, 0, sizeof(ViewContext));
100         vc->ar = CTX_wm_region(C);
101         vc->scene = CTX_data_scene(C);
102         vc->v3d = CTX_wm_view3d(C);
103         vc->rv3d = CTX_wm_region_view3d(C);
104         vc->obact = CTX_data_active_object(C);
105         vc->obedit = CTX_data_edit_object(C);
106 }
107
108 int view3d_get_view_aligned_coordinate(ViewContext *vc, float fp[3], const int mval[2], const short do_fallback)
109 {
110         float dvec[3];
111         int mval_cpy[2];
112
113         mval_cpy[0] = mval[0];
114         mval_cpy[1] = mval[1];
115
116         project_int_noclip(vc->ar, fp, mval_cpy);
117
118         initgrabz(vc->rv3d, fp[0], fp[1], fp[2]);
119
120         if (mval_cpy[0] != IS_CLIPPED) {
121                 float mval_f[2];
122                 VECSUB2D(mval_f, mval_cpy, mval);
123                 ED_view3d_win_to_delta(vc->ar, mval_f, dvec);
124                 sub_v3_v3(fp, dvec);
125
126                 return TRUE;
127         }
128         else {
129                 /* fallback to the view center */
130                 if (do_fallback) {
131                         negate_v3_v3(fp, vc->rv3d->ofs);
132                         return view3d_get_view_aligned_coordinate(vc, fp, mval, FALSE);
133                 }
134                 else {
135                         return FALSE;
136                 }
137         }
138 }
139
140 /*
141  * ob == NULL if you want global matrices
142  * */
143 void view3d_get_transformation(const ARegion *ar, RegionView3D *rv3d, Object *ob, bglMats *mats)
144 {
145         float cpy[4][4];
146         int i, j;
147
148         if (ob) {
149                 mult_m4_m4m4(cpy, rv3d->viewmat, ob->obmat);
150         }
151         else {
152                 copy_m4_m4(cpy, rv3d->viewmat);
153         }
154
155         for (i = 0; i < 4; ++i) {
156                 for (j = 0; j < 4; ++j) {
157                         mats->projection[i * 4 + j] = rv3d->winmat[i][j];
158                         mats->modelview[i * 4 + j] = cpy[i][j];
159                 }
160         }
161
162         mats->viewport[0] = ar->winrct.xmin;
163         mats->viewport[1] = ar->winrct.ymin;
164         mats->viewport[2] = ar->winx;
165         mats->viewport[3] = ar->winy;   
166 }
167
168 /* ********************** view3d_select: selection manipulations ********************* */
169
170 /* local prototypes */
171
172 static void edbm_backbuf_check_and_select_verts(BMEditMesh *em, int select)
173 {
174         BMVert *eve;
175         BMIter iter;
176         int index = bm_wireoffs;
177
178         eve = BM_iter_new(&iter, em->bm, BM_VERTS_OF_MESH, NULL);
179         for (; eve; eve = BM_iter_step(&iter), index++) {
180                 if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
181                         if (EDBM_backbuf_check(index)) {
182                                 BM_vert_select_set(em->bm, eve, select);
183                         }
184                 }
185         }
186 }
187
188 static void edbm_backbuf_check_and_select_edges(BMEditMesh *em, int select)
189 {
190         BMEdge *eed;
191         BMIter iter;
192         int index = bm_solidoffs;
193
194         eed = BM_iter_new(&iter, em->bm, BM_EDGES_OF_MESH, NULL);
195         for (; eed; eed = BM_iter_step(&iter), index++) {
196                 if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
197                         if (EDBM_backbuf_check(index)) {
198                                 BM_edge_select_set(em->bm, eed, select);
199                         }
200                 }
201         }
202 }
203
204 static void edbm_backbuf_check_and_select_faces(BMEditMesh *em, int select)
205 {
206         BMFace *efa;
207         BMIter iter;
208         int index = 1;
209
210         efa = BM_iter_new(&iter, em->bm, BM_FACES_OF_MESH, NULL);
211         for (; efa; efa = BM_iter_step(&iter), index++) {
212                 if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
213                         if (EDBM_backbuf_check(index)) {
214                                 BM_face_select_set(em->bm, efa, select);
215                         }
216                 }
217         }
218 }
219
220
221 /* object mode, EM_ prefix is confusing here, rename? */
222 static void edbm_backbuf_check_and_select_verts_obmode(Mesh *me, int select)
223 {
224         MVert *mv = me->mvert;
225         int a;
226
227         if (mv) {
228                 for (a = 1; a <= me->totvert; a++, mv++) {
229                         if (EDBM_backbuf_check(a)) {
230                                 if (!(mv->flag & ME_HIDE)) {
231                                         mv->flag = select ? (mv->flag | SELECT) : (mv->flag & ~SELECT);
232                                 }
233                         }
234                 }
235         }
236 }
237 /* object mode, EM_ prefix is confusing here, rename? */
238
239 static void edbm_backbuf_check_and_select_tfaces(Mesh *me, int select)
240 {
241         MPoly *mpoly = me->mpoly;
242         int a;
243
244         if (mpoly) {
245                 for (a = 1; a <= me->totpoly; a++, mpoly++) {
246                         if (EDBM_backbuf_check(a)) {
247                                 mpoly->flag = select ? (mpoly->flag | ME_FACE_SEL) : (mpoly->flag & ~ME_FACE_SEL);
248                         }
249                 }
250         }
251 }
252
253 /* *********************** GESTURE AND LASSO ******************* */
254
255 typedef struct LassoSelectUserData {
256         ViewContext *vc;
257         rcti *rect;
258         int (*mcords)[2], moves, select, pass, done;
259 } LassoSelectUserData;
260
261 static int view3d_selectable_data(bContext *C)
262 {
263         Object *ob = CTX_data_active_object(C);
264
265         if (!ED_operator_region_view3d_active(C))
266                 return 0;
267
268         if (ob) {
269                 if (ob->mode & OB_MODE_EDIT) {
270                         if (ob->type == OB_FONT) {
271                                 return 0;
272                         }
273                 }
274                 else {
275                         if (ob->mode & OB_MODE_SCULPT) {
276                                 return 0;
277                         }
278                         if ((ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT)) &&
279                             !paint_facesel_test(ob) && !paint_vertsel_test(ob))
280                         {
281                                 return 0;
282                         }
283                 }
284         }
285
286         return 1;
287 }
288
289
290 /* helper also for borderselect */
291 static int edge_fully_inside_rect(rcti *rect, short x1, short y1, short x2, short y2)
292 {
293         return BLI_in_rcti(rect, x1, y1) && BLI_in_rcti(rect, x2, y2);
294 }
295
296 static int edge_inside_rect(rcti *rect, short x1, short y1, short x2, short y2)
297 {
298         int d1, d2, d3, d4;
299         
300         /* check points in rect */
301         if (edge_fully_inside_rect(rect, x1, y1, x2, y2)) return 1;
302         
303         /* check points completely out rect */
304         if (x1 < rect->xmin && x2 < rect->xmin) return 0;
305         if (x1 > rect->xmax && x2 > rect->xmax) return 0;
306         if (y1 < rect->ymin && y2 < rect->ymin) return 0;
307         if (y1 > rect->ymax && y2 > rect->ymax) return 0;
308         
309         /* simple check lines intersecting. */
310         d1 = (y1 - y2) * (x1 - rect->xmin) + (x2 - x1) * (y1 - rect->ymin);
311         d2 = (y1 - y2) * (x1 - rect->xmin) + (x2 - x1) * (y1 - rect->ymax);
312         d3 = (y1 - y2) * (x1 - rect->xmax) + (x2 - x1) * (y1 - rect->ymax);
313         d4 = (y1 - y2) * (x1 - rect->xmax) + (x2 - x1) * (y1 - rect->ymin);
314         
315         if (d1 < 0 && d2 < 0 && d3 < 0 && d4 < 0) return 0;
316         if (d1 > 0 && d2 > 0 && d3 > 0 && d4 > 0) return 0;
317         
318         return 1;
319 }
320
321
322 #define MOVES_GESTURE 50
323 #define MOVES_LASSO 500
324
325
326 /* warning; lasso select with backbuffer-check draws in backbuf with persp(PERSP_WIN) 
327  * and returns with persp(PERSP_VIEW). After lasso select backbuf is not OK
328  */
329 static void do_lasso_select_pose(ViewContext *vc, Object *ob, int mcords[][2], short moves, short select)
330 {
331         bPoseChannel *pchan;
332         float vec[3];
333         int sco1[2], sco2[2];
334         bArmature *arm = ob->data;
335         
336         if (ob->type != OB_ARMATURE || ob->pose == NULL) return;
337
338         for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
339                 if (PBONE_VISIBLE(arm, pchan->bone) && (pchan->bone->flag & BONE_UNSELECTABLE) == 0) {
340                         mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
341                         project_int(vc->ar, vec, sco1);
342                         mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
343                         project_int(vc->ar, vec, sco2);
344                         
345                         if (BLI_lasso_is_edge_inside(mcords, moves, sco1[0], sco1[1], sco2[0], sco2[1], IS_CLIPPED)) {
346                                 if (select) pchan->bone->flag |= BONE_SELECTED;
347                                 else pchan->bone->flag &= ~BONE_SELECTED;
348                         }
349                 }
350         }
351 }
352
353 static void object_deselect_all_visible(Scene *scene, View3D *v3d)
354 {
355         Base *base;
356
357         for (base = scene->base.first; base; base = base->next) {
358                 if (BASE_SELECTABLE(v3d, base)) {
359                         ED_base_object_select(base, BA_DESELECT);
360                 }
361         }
362 }
363
364 static void do_lasso_select_objects(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
365 {
366         Base *base;
367         
368         if (extend == 0 && select)
369                 object_deselect_all_visible(vc->scene, vc->v3d);
370
371         for (base = vc->scene->base.first; base; base = base->next) {
372                 if (BASE_SELECTABLE(vc->v3d, base)) { /* use this to avoid un-needed lasso lookups */
373                         project_short(vc->ar, base->object->obmat[3], &base->sx);
374                         if (BLI_lasso_is_point_inside(mcords, moves, base->sx, base->sy, IS_CLIPPED)) {
375                                 
376                                 if (select) ED_base_object_select(base, BA_SELECT);
377                                 else ED_base_object_select(base, BA_DESELECT);
378                                 base->object->flag = base->flag;
379                         }
380                         if (base->object->mode & OB_MODE_POSE) {
381                                 do_lasso_select_pose(vc, base->object, mcords, moves, select);
382                         }
383                 }
384         }
385 }
386
387 static void do_lasso_select_mesh__doSelectVert(void *userData, BMVert *eve, int x, int y, int UNUSED(index))
388 {
389         LassoSelectUserData *data = userData;
390
391         if (BLI_in_rcti(data->rect, x, y) &&
392             BLI_lasso_is_point_inside(data->mcords, data->moves, x, y, IS_CLIPPED))
393         {
394                 BM_vert_select_set(data->vc->em->bm, eve, data->select);
395         }
396 }
397 static void do_lasso_select_mesh__doSelectEdge(void *userData, BMEdge *eed, int x0, int y0, int x1, int y1, int index)
398 {
399         LassoSelectUserData *data = userData;
400
401         if (EDBM_backbuf_check(bm_solidoffs + index)) {
402                 if (data->pass == 0) {
403                         if (edge_fully_inside_rect(data->rect, x0, y0, x1, y1)  &&
404                             BLI_lasso_is_point_inside(data->mcords, data->moves, x0, y0, IS_CLIPPED) &&
405                             BLI_lasso_is_point_inside(data->mcords, data->moves, x1, y1, IS_CLIPPED))
406                         {
407                                 BM_edge_select_set(data->vc->em->bm, eed, data->select);
408                                 data->done = 1;
409                         }
410                 }
411                 else {
412                         if (BLI_lasso_is_edge_inside(data->mcords, data->moves, x0, y0, x1, y1, IS_CLIPPED)) {
413                                 BM_edge_select_set(data->vc->em->bm, eed, data->select);
414                         }
415                 }
416         }
417 }
418 static void do_lasso_select_mesh__doSelectFace(void *userData, BMFace *efa, int x, int y, int UNUSED(index))
419 {
420         LassoSelectUserData *data = userData;
421
422         if (BLI_in_rcti(data->rect, x, y) &&
423             BLI_lasso_is_point_inside(data->mcords, data->moves, x, y, IS_CLIPPED))
424         {
425                 BM_face_select_set(data->vc->em->bm, efa, data->select);
426         }
427 }
428
429 static void do_lasso_select_mesh(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
430 {
431         LassoSelectUserData data;
432         ToolSettings *ts = vc->scene->toolsettings;
433         rcti rect;
434         int bbsel;
435         
436         BLI_lasso_boundbox(&rect, mcords, moves);
437         
438         /* set editmesh */
439         vc->em = BMEdit_FromObject(vc->obedit);
440
441         data.vc = vc;
442         data.rect = &rect;
443         data.mcords = mcords;
444         data.moves = moves;
445         data.select = select;
446         data.done = 0;
447         data.pass = 0;
448
449         if (extend == 0 && select)
450                 EDBM_flag_disable_all(vc->em, BM_ELEM_SELECT);
451
452         /* for non zbuf projections, don't change the GL state */
453         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
454
455         glLoadMatrixf(vc->rv3d->viewmat);
456         bbsel = EDBM_backbuf_border_mask_init(vc, mcords, moves, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
457         
458         if (ts->selectmode & SCE_SELECT_VERTEX) {
459                 if (bbsel) {
460                         edbm_backbuf_check_and_select_verts(vc->em, select);
461                 }
462                 else {
463                         mesh_foreachScreenVert(vc, do_lasso_select_mesh__doSelectVert, &data, V3D_CLIP_TEST_RV3D_CLIPPING);
464                 }
465         }
466         if (ts->selectmode & SCE_SELECT_EDGE) {
467                 /* Does both bbsel and non-bbsel versions (need screen cos for both) */
468                 data.pass = 0;
469                 mesh_foreachScreenEdge(vc, do_lasso_select_mesh__doSelectEdge, &data, V3D_CLIP_TEST_OFF);
470
471                 if (data.done == 0) {
472                         data.pass = 1;
473                         mesh_foreachScreenEdge(vc, do_lasso_select_mesh__doSelectEdge, &data, V3D_CLIP_TEST_OFF);
474                 }
475         }
476         
477         if (ts->selectmode & SCE_SELECT_FACE) {
478                 if (bbsel) {
479                         edbm_backbuf_check_and_select_faces(vc->em, select);
480                 }
481                 else {
482                         mesh_foreachScreenFace(vc, do_lasso_select_mesh__doSelectFace, &data);
483                 }
484         }
485         
486         EDBM_backbuf_free();
487         EDBM_selectmode_flush(vc->em);
488 }
489
490 static void do_lasso_select_curve__doSelect(void *userData, Nurb *UNUSED(nu), BPoint *bp, BezTriple *bezt, int beztindex, int x, int y)
491 {
492         LassoSelectUserData *data = userData;
493         Object *obedit = data->vc->obedit;
494         Curve *cu = (Curve *)obedit->data;
495
496         if (BLI_lasso_is_point_inside(data->mcords, data->moves, x, y, IS_CLIPPED)) {
497                 if (bp) {
498                         bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
499                         if (bp == cu->lastsel && !(bp->f1 & 1)) cu->lastsel = NULL;
500                 }
501                 else {
502                         if (cu->drawflag & CU_HIDE_HANDLES) {
503                                 /* can only be beztindex==0 here since handles are hidden */
504                                 bezt->f1 = bezt->f2 = bezt->f3 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
505                         }
506                         else {
507                                 if (beztindex == 0) {
508                                         bezt->f1 = data->select ? (bezt->f1 | SELECT) : (bezt->f1 & ~SELECT);
509                                 }
510                                 else if (beztindex == 1) {
511                                         bezt->f2 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
512                                 }
513                                 else {
514                                         bezt->f3 = data->select ? (bezt->f3 | SELECT) : (bezt->f3 & ~SELECT);
515                                 }
516                         }
517
518                         if (bezt == cu->lastsel && !(bezt->f2 & 1)) cu->lastsel = NULL;
519                 }
520         }
521 }
522
523 static void do_lasso_select_curve(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
524 {
525         LassoSelectUserData data;
526
527         /* set vc->editnurb */
528         data.vc = vc;
529         data.mcords = mcords;
530         data.moves = moves;
531         data.select = select;
532
533         if (extend == 0 && select)
534                 CU_deselect_all(vc->obedit);
535
536         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
537         nurbs_foreachScreenVert(vc, do_lasso_select_curve__doSelect, &data);
538 }
539
540 static void do_lasso_select_lattice__doSelect(void *userData, BPoint *bp, int x, int y)
541 {
542         LassoSelectUserData *data = userData;
543
544         if (BLI_lasso_is_point_inside(data->mcords, data->moves, x, y, IS_CLIPPED)) {
545                 bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
546         }
547 }
548 static void do_lasso_select_lattice(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
549 {
550         LassoSelectUserData data;
551
552         /* set editdata in vc */
553         data.mcords = mcords;
554         data.moves = moves;
555         data.select = select;
556
557         if (extend == 0 && select)
558                 ED_setflagsLatt(vc->obedit, 0);
559
560         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
561         lattice_foreachScreenVert(vc, do_lasso_select_lattice__doSelect, &data);
562 }
563
564 static void do_lasso_select_armature(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
565 {
566         bArmature *arm = vc->obedit->data;
567         EditBone *ebone;
568         float vec[3];
569         short sco1[2], sco2[2], didpoint;
570         int change = FALSE;
571
572         if (extend == 0 && select)
573                 ED_armature_deselect_all_visible(vc->obedit);
574
575         /* set editdata in vc */
576         
577         for (ebone = arm->edbo->first; ebone; ebone = ebone->next) {
578                 if (EBONE_VISIBLE(arm, ebone) && (ebone->flag & BONE_UNSELECTABLE) == 0) {
579                         mul_v3_m4v3(vec, vc->obedit->obmat, ebone->head);
580                         project_short(vc->ar, vec, sco1);
581                         mul_v3_m4v3(vec, vc->obedit->obmat, ebone->tail);
582                         project_short(vc->ar, vec, sco2);
583                         
584                         didpoint = 0;
585                         if (BLI_lasso_is_point_inside(mcords, moves, sco1[0], sco1[1], IS_CLIPPED)) {
586                                 if (select) ebone->flag |= BONE_ROOTSEL;
587                                 else ebone->flag &= ~BONE_ROOTSEL;
588                                 didpoint = 1;
589                                 change = TRUE;
590                         }
591                         if (BLI_lasso_is_point_inside(mcords, moves, sco2[0], sco2[1], IS_CLIPPED)) {
592                                 if (select) ebone->flag |= BONE_TIPSEL;
593                                 else ebone->flag &= ~BONE_TIPSEL;
594                                 didpoint = 1;
595                                 change = TRUE;
596                         }
597                         /* if one of points selected, we skip the bone itself */
598                         if (didpoint == 0 &&
599                             BLI_lasso_is_edge_inside(mcords, moves, sco1[0], sco1[1], sco2[0], sco2[1], IS_CLIPPED))
600                         {
601                                 if (select) ebone->flag |= BONE_TIPSEL | BONE_ROOTSEL | BONE_SELECTED;
602                                 else ebone->flag &= ~(BONE_SELECTED | BONE_TIPSEL | BONE_ROOTSEL);
603                                 change = TRUE;
604                         }
605                 }
606         }
607         
608         if (change) {
609                 ED_armature_sync_selection(arm->edbo);
610                 ED_armature_validate_active(arm);
611                 WM_main_add_notifier(NC_OBJECT | ND_BONE_SELECT, vc->obedit);
612         }
613 }
614
615
616
617
618 static void do_lasso_select_meta(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
619 {
620         MetaBall *mb = (MetaBall *)vc->obedit->data;
621         MetaElem *ml;
622         float vec[3];
623         short sco[2];
624
625         if (extend == 0 && select) {
626                 for (ml = mb->editelems->first; ml; ml = ml->next) {
627                         ml->flag &= ~SELECT;
628                 }
629         }
630
631         for (ml = mb->editelems->first; ml; ml = ml->next) {
632                 
633                 mul_v3_m4v3(vec, vc->obedit->obmat, &ml->x);
634                 project_short(vc->ar, vec, sco);
635
636                 if (BLI_lasso_is_point_inside(mcords, moves, sco[0], sco[1], IS_CLIPPED)) {
637                         if (select) ml->flag |= SELECT;
638                         else ml->flag &= ~SELECT;
639                 }
640         }
641 }
642
643 int do_paintvert_box_select(ViewContext *vc, rcti *rect, int select, int extend)
644 {
645         Mesh *me;
646         MVert *mvert;
647         struct ImBuf *ibuf;
648         unsigned int *rt;
649         int a, index;
650         char *selar;
651         int sx = rect->xmax - rect->xmin + 1;
652         int sy = rect->ymax - rect->ymin + 1;
653
654         me = vc->obact->data;
655
656         if (me == NULL || me->totvert == 0 || sx * sy <= 0)
657                 return OPERATOR_CANCELLED;
658
659         selar = MEM_callocN(me->totvert + 1, "selar");
660
661         if (extend == 0 && select)
662                 paintvert_deselect_all_visible(vc->obact, SEL_DESELECT, FALSE);
663
664         view3d_validate_backbuf(vc);
665
666         ibuf = IMB_allocImBuf(sx, sy, 32, IB_rect);
667         rt = ibuf->rect;
668         glReadPixels(rect->xmin + vc->ar->winrct.xmin,  rect->ymin + vc->ar->winrct.ymin, sx, sy, GL_RGBA, GL_UNSIGNED_BYTE,  ibuf->rect);
669         if (ENDIAN_ORDER == B_ENDIAN) IMB_convert_rgba_to_abgr(ibuf);
670
671         a = sx * sy;
672         while (a--) {
673                 if (*rt) {
674                         index = WM_framebuffer_to_index(*rt);
675                         if (index <= me->totvert) selar[index] = 1;
676                 }
677                 rt++;
678         }
679
680         mvert = me->mvert;
681         for (a = 1; a <= me->totvert; a++, mvert++) {
682                 if (selar[a]) {
683                         if ((mvert->flag & ME_HIDE) == 0) {
684                                 if (select) mvert->flag |=  SELECT;
685                                 else        mvert->flag &= ~SELECT;
686                         }
687                 }
688         }
689
690         IMB_freeImBuf(ibuf);
691         MEM_freeN(selar);
692
693 #ifdef __APPLE__        
694         glReadBuffer(GL_BACK);
695 #endif
696
697         paintvert_flush_flags(vc->obact);
698
699         return OPERATOR_FINISHED;
700 }
701
702 static void do_lasso_select_paintvert(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
703 {
704         Object *ob = vc->obact;
705         Mesh *me = ob ? ob->data : NULL;
706         rcti rect;
707
708         if (me == NULL || me->totvert == 0)
709                 return;
710
711         if (extend == 0 && select)
712                 paintvert_deselect_all_visible(ob, SEL_DESELECT, FALSE);  /* flush selection at the end */
713         bm_vertoffs = me->totvert + 1; /* max index array */
714
715         BLI_lasso_boundbox(&rect, mcords, moves);
716         EDBM_backbuf_border_mask_init(vc, mcords, moves, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
717
718         edbm_backbuf_check_and_select_verts_obmode(me, select);
719
720         EDBM_backbuf_free();
721
722         paintvert_flush_flags(ob);
723 }
724 static void do_lasso_select_paintface(ViewContext *vc, int mcords[][2], short moves, short extend, short select)
725 {
726         Object *ob = vc->obact;
727         Mesh *me = ob ? ob->data : NULL;
728         rcti rect;
729
730         if (me == NULL || me->totpoly == 0)
731                 return;
732
733         if (extend == 0 && select)
734                 paintface_deselect_all_visible(ob, SEL_DESELECT, FALSE);  /* flush selection at the end */
735
736         bm_vertoffs = me->totpoly + 1; /* max index array */
737
738         BLI_lasso_boundbox(&rect, mcords, moves);
739         EDBM_backbuf_border_mask_init(vc, mcords, moves, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
740         
741         edbm_backbuf_check_and_select_tfaces(me, select);
742
743         EDBM_backbuf_free();
744
745         paintface_flush_flags(ob);
746 }
747
748 #if 0
749 static void do_lasso_select_node(int mcords[][2], short moves, short select)
750 {
751         SpaceNode *snode = sa->spacedata.first;
752         
753         bNode *node;
754         rcti rect;
755         short node_cent[2];
756         float node_centf[2];
757         
758         BLI_lasso_boundbox(&rect, mcords, moves);
759         
760         /* store selection in temp test flag */
761         for (node = snode->edittree->nodes.first; node; node = node->next) {
762                 
763                 node_centf[0] = (node->totr.xmin + node->totr.xmax) / 2;
764                 node_centf[1] = (node->totr.ymin + node->totr.ymax) / 2;
765                 
766                 ipoco_to_areaco_noclip(G.v2d, node_centf, node_cent);
767                 if (BLI_in_rcti(&rect, node_cent[0], node_cent[1]) && BLI_lasso_is_point_inside(mcords, moves, node_cent[0], node_cent[1])) {
768                         if (select) {
769                                 node->flag |= SELECT;
770                         }
771                         else {
772                                 node->flag &= ~SELECT;
773                         }
774                 }
775         }
776         BIF_undo_push("Lasso select nodes");
777 }
778 #endif
779
780 static void view3d_lasso_select(bContext *C, ViewContext *vc, int mcords[][2], short moves, short extend, short select)
781 {
782         Object *ob = CTX_data_active_object(C);
783
784         if (vc->obedit == NULL) { /* Object Mode */
785                 if (paint_facesel_test(ob))
786                         do_lasso_select_paintface(vc, mcords, moves, extend, select);
787                 else if (paint_vertsel_test(ob))
788                         do_lasso_select_paintvert(vc, mcords, moves, extend, select);
789                 else if (ob && ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT))
790                         ;
791                 else if (ob && ob->mode & OB_MODE_PARTICLE_EDIT)
792                         PE_lasso_select(C, mcords, moves, extend, select);
793                 else {
794                         do_lasso_select_objects(vc, mcords, moves, extend, select);
795                         WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, vc->scene);
796                 }
797         }
798         else { /* Edit Mode */
799                 switch (vc->obedit->type) {
800                         case OB_MESH:
801                                 do_lasso_select_mesh(vc, mcords, moves, extend, select);
802                                 break;
803                         case OB_CURVE:
804                         case OB_SURF:
805                                 do_lasso_select_curve(vc, mcords, moves, extend, select);
806                                 break;
807                         case OB_LATTICE:
808                                 do_lasso_select_lattice(vc, mcords, moves, extend, select);
809                                 break;
810                         case OB_ARMATURE:
811                                 do_lasso_select_armature(vc, mcords, moves, extend, select);
812                                 break;
813                         case OB_MBALL:
814                                 do_lasso_select_meta(vc, mcords, moves, extend, select);
815                                 break;
816                         default:
817                                 assert(!"lasso select on incorrect object type");
818                 }
819
820                 WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc->obedit->data);
821         }
822 }
823
824
825 /* lasso operator gives properties, but since old code works
826  * with short array we convert */
827 static int view3d_lasso_select_exec(bContext *C, wmOperator *op)
828 {
829         ViewContext vc;
830         int mcords_tot;
831         int (*mcords)[2] = WM_gesture_lasso_path_to_array(C, op, &mcords_tot);
832         
833         if (mcords) {
834                 short extend, select;
835                 view3d_operator_needs_opengl(C);
836                 
837                 /* setup view context for argument to callbacks */
838                 view3d_set_viewcontext(C, &vc);
839                 
840                 extend = RNA_boolean_get(op->ptr, "extend");
841                 select = !RNA_boolean_get(op->ptr, "deselect");
842                 view3d_lasso_select(C, &vc, mcords, mcords_tot, extend, select);
843                 
844                 MEM_freeN(mcords);
845
846                 return OPERATOR_FINISHED;
847         }
848         return OPERATOR_PASS_THROUGH;
849 }
850
851 void VIEW3D_OT_select_lasso(wmOperatorType *ot)
852 {
853         ot->name = "Lasso Select";
854         ot->description = "Select items using lasso selection";
855         ot->idname = "VIEW3D_OT_select_lasso";
856         
857         ot->invoke = WM_gesture_lasso_invoke;
858         ot->modal = WM_gesture_lasso_modal;
859         ot->exec = view3d_lasso_select_exec;
860         ot->poll = view3d_selectable_data;
861         ot->cancel = WM_gesture_lasso_cancel;
862         
863         /* flags */
864         ot->flag = OPTYPE_UNDO;
865         
866         RNA_def_collection_runtime(ot->srna, "path", &RNA_OperatorMousePath, "Path", "");
867         RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "Deselect rather than select items");
868         RNA_def_boolean(ot->srna, "extend", 1, "Extend", "Extend selection instead of deselecting everything first");
869 }
870
871
872 /* ************************************************* */
873
874 #if 0
875 /* smart function to sample a rect spiralling outside, nice for backbuf selection */
876 static unsigned int samplerect(unsigned int *buf, int size, unsigned int dontdo)
877 {
878         Base *base;
879         unsigned int *bufmin, *bufmax;
880         int a, b, rc, tel, len, dirvec[4][2], maxob;
881         unsigned int retval = 0;
882         
883         base = LASTBASE;
884         if (base == 0) return 0;
885         maxob = base->selcol;
886
887         len = (size - 1) / 2;
888         rc = 0;
889
890         dirvec[0][0] = 1;
891         dirvec[0][1] = 0;
892         dirvec[1][0] = 0;
893         dirvec[1][1] = -size;
894         dirvec[2][0] = -1;
895         dirvec[2][1] = 0;
896         dirvec[3][0] = 0;
897         dirvec[3][1] = size;
898
899         bufmin = buf;
900         bufmax = buf + size * size;
901         buf += len * size + len;
902
903         for (tel = 1; tel <= size; tel++) {
904
905                 for (a = 0; a < 2; a++) {
906                         for (b = 0; b < tel; b++) {
907
908                                 if (*buf && *buf <= maxob && *buf != dontdo) return *buf;
909                                 if (*buf == dontdo) retval = dontdo;  /* if only color dontdo is available, still return dontdo */
910                                 
911                                 buf += (dirvec[rc][0] + dirvec[rc][1]);
912
913                                 if (buf < bufmin || buf >= bufmax) return retval;
914                         }
915                         rc++;
916                         rc &= 3;
917                 }
918         }
919         return retval;
920 }
921 #endif
922
923 /* ************************** mouse select ************************* */
924
925
926 /* The max number of menu items in an object select menu */
927 typedef struct SelMenuItemF {
928         char idname[MAX_ID_NAME - 2];
929         int icon;
930 } SelMenuItemF;
931
932 #define SEL_MENU_SIZE   22
933 static SelMenuItemF object_mouse_select_menu_data[SEL_MENU_SIZE];
934
935 /* special (crappy) operator only for menu select */
936 static EnumPropertyItem *object_select_menu_enum_itemf(bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop), int *free)
937 {
938         EnumPropertyItem *item = NULL, item_tmp = {0};
939         int totitem = 0;
940         int i = 0;
941
942         /* don't need context but avoid docgen using this */
943         if (C == NULL || object_mouse_select_menu_data[i].idname[0] == '\0') {
944                 return DummyRNA_NULL_items;
945         }
946
947         for (; i < SEL_MENU_SIZE && object_mouse_select_menu_data[i].idname[0] != '\0'; i++) {
948                 item_tmp.name = object_mouse_select_menu_data[i].idname;
949                 item_tmp.identifier = object_mouse_select_menu_data[i].idname;
950                 item_tmp.value = i;
951                 item_tmp.icon = object_mouse_select_menu_data[i].icon;
952                 RNA_enum_item_add(&item, &totitem, &item_tmp);
953         }
954
955         RNA_enum_item_end(&item, &totitem);
956         *free = 1;
957
958         return item;
959 }
960
961 static int object_select_menu_exec(bContext *C, wmOperator *op)
962 {
963         int name_index = RNA_enum_get(op->ptr, "name");
964         short extend = RNA_boolean_get(op->ptr, "extend");
965         short changed = 0;
966         const char *name = object_mouse_select_menu_data[name_index].idname;
967
968         if (!extend) {
969                 CTX_DATA_BEGIN (C, Base *, base, selectable_bases)
970                 {
971                         if (base->flag & SELECT) {
972                                 ED_base_object_select(base, BA_DESELECT);
973                                 changed = 1;
974                         }
975                 }
976                 CTX_DATA_END;
977         }
978
979         CTX_DATA_BEGIN (C, Base *, base, selectable_bases)
980         {
981                 /* this is a bit dodjy, there should only be ONE object with this name, but library objects can mess this up */
982                 if (strcmp(name, base->object->id.name + 2) == 0) {
983                         ED_base_object_activate(C, base);
984                         ED_base_object_select(base, BA_SELECT);
985                         changed = 1;
986                 }
987         }
988         CTX_DATA_END;
989
990         /* weak but ensures we activate menu again before using the enum */
991         memset(object_mouse_select_menu_data, 0, sizeof(object_mouse_select_menu_data));
992
993         /* undo? */
994         if (changed) {
995                 WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, CTX_data_scene(C));
996                 return OPERATOR_FINISHED;
997         }
998         else {
999                 return OPERATOR_CANCELLED;
1000         }
1001 }
1002
1003 void VIEW3D_OT_select_menu(wmOperatorType *ot)
1004 {
1005         PropertyRNA *prop;
1006
1007         /* identifiers */
1008         ot->name = "Select Menu";
1009         ot->description = "Menu object selection";
1010         ot->idname = "VIEW3D_OT_select_menu";
1011
1012         /* api callbacks */
1013         ot->invoke = WM_menu_invoke;
1014         ot->exec = object_select_menu_exec;
1015
1016         /* flags */
1017         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
1018
1019         /* keyingset to use (dynamic enum) */
1020         prop = RNA_def_enum(ot->srna, "name", DummyRNA_NULL_items, 0, "Object Name", "");
1021         RNA_def_enum_funcs(prop, object_select_menu_enum_itemf);
1022         RNA_def_property_flag(prop, PROP_HIDDEN);
1023         ot->prop = prop;
1024
1025         RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend selection instead of deselecting everything first");
1026 }
1027
1028 static void deselectall_except(Scene *scene, Base *b)   /* deselect all except b */
1029 {
1030         Base *base;
1031         
1032         for (base = FIRSTBASE; base; base = base->next) {
1033                 if (base->flag & SELECT) {
1034                         if (b != base) {
1035                                 ED_base_object_select(base, BA_DESELECT);
1036                         }
1037                 }
1038         }
1039 }
1040
1041 static Base *object_mouse_select_menu(bContext *C, ViewContext *vc, unsigned int *buffer, int hits, const int mval[2], short extend)
1042 {
1043         short baseCount = 0;
1044         short ok;
1045         LinkNode *linklist = NULL;
1046         
1047         CTX_DATA_BEGIN (C, Base *, base, selectable_bases)
1048         {
1049                 ok = FALSE;
1050
1051                 /* two selection methods, the CTRL select uses max dist of 15 */
1052                 if (buffer) {
1053                         int a;
1054                         for (a = 0; a < hits; a++) {
1055                                 /* index was converted */
1056                                 if (base->selcol == buffer[(4 * a) + 3])
1057                                         ok = TRUE;
1058                         }
1059                 }
1060                 else {
1061                         int temp, dist = 15;
1062
1063                         project_short(vc->ar, base->object->obmat[3], &base->sx);
1064                         
1065                         temp = abs(base->sx - mval[0]) + abs(base->sy - mval[1]);
1066                         if (temp < dist)
1067                                 ok = TRUE;
1068                 }
1069
1070                 if (ok) {
1071                         baseCount++;
1072                         BLI_linklist_prepend(&linklist, base);
1073
1074                         if (baseCount == SEL_MENU_SIZE)
1075                                 break;
1076                 }
1077         }
1078         CTX_DATA_END;
1079
1080         if (baseCount == 0) {
1081                 return NULL;
1082         }
1083         if (baseCount == 1) {
1084                 Base *base = (Base *)linklist->link;
1085                 BLI_linklist_free(linklist, NULL);
1086                 return base;
1087         }
1088         else {
1089                 /* UI, full in static array values that we later use in an enum function */
1090                 LinkNode *node;
1091                 int i;
1092
1093                 memset(object_mouse_select_menu_data, 0, sizeof(object_mouse_select_menu_data));
1094
1095                 for (node = linklist, i = 0; node; node = node->next, i++) {
1096                         Base *base = node->link;
1097                         Object *ob = base->object;
1098                         char *name = ob->id.name + 2;
1099
1100                         BLI_strncpy(object_mouse_select_menu_data[i].idname, name, MAX_ID_NAME - 2);
1101                         object_mouse_select_menu_data[i].icon = uiIconFromID(&ob->id);
1102                 }
1103
1104                 {
1105                         PointerRNA ptr;
1106
1107                         WM_operator_properties_create(&ptr, "VIEW3D_OT_select_menu");
1108                         RNA_boolean_set(&ptr, "extend", extend);
1109                         WM_operator_name_call(C, "VIEW3D_OT_select_menu", WM_OP_INVOKE_DEFAULT, &ptr);
1110                         WM_operator_properties_free(&ptr);
1111                 }
1112
1113                 BLI_linklist_free(linklist, NULL);
1114                 return NULL;
1115         }
1116 }
1117
1118 /* we want a select buffer with bones, if there are... */
1119 /* so check three selection levels and compare */
1120 static short mixed_bones_object_selectbuffer(ViewContext *vc, unsigned int *buffer, const int mval[2])
1121 {
1122         rcti rect;
1123         int offs;
1124         short a, hits15, hits9 = 0, hits5 = 0;
1125         short has_bones15 = 0, has_bones9 = 0, has_bones5 = 0;
1126         
1127         BLI_init_rcti(&rect, mval[0] - 14, mval[0] + 14, mval[1] - 14, mval[1] + 14);
1128         hits15 = view3d_opengl_select(vc, buffer, MAXPICKBUF, &rect);
1129         if (hits15 > 0) {
1130                 for (a = 0; a < hits15; a++) if (buffer[4 * a + 3] & 0xFFFF0000) has_bones15 = 1;
1131
1132                 offs = 4 * hits15;
1133                 BLI_init_rcti(&rect, mval[0] - 9, mval[0] + 9, mval[1] - 9, mval[1] + 9);
1134                 hits9 = view3d_opengl_select(vc, buffer + offs, MAXPICKBUF - offs, &rect);
1135                 if (hits9 > 0) {
1136                         for (a = 0; a < hits9; a++) if (buffer[offs + 4 * a + 3] & 0xFFFF0000) has_bones9 = 1;
1137
1138                         offs += 4 * hits9;
1139                         BLI_init_rcti(&rect, mval[0] - 5, mval[0] + 5, mval[1] - 5, mval[1] + 5);
1140                         hits5 = view3d_opengl_select(vc, buffer + offs, MAXPICKBUF - offs, &rect);
1141                         if (hits5 > 0) {
1142                                 for (a = 0; a < hits5; a++) if (buffer[offs + 4 * a + 3] & 0xFFFF0000) has_bones5 = 1;
1143                         }
1144                 }
1145                 
1146                 if (has_bones5) {
1147                         offs = 4 * hits15 + 4 * hits9;
1148                         memcpy(buffer, buffer + offs, 4 * offs);
1149                         return hits5;
1150                 }
1151                 if (has_bones9) {
1152                         offs = 4 * hits15;
1153                         memcpy(buffer, buffer + offs, 4 * offs);
1154                         return hits9;
1155                 }
1156                 if (has_bones15) {
1157                         return hits15;
1158                 }
1159                 
1160                 if (hits5 > 0) {
1161                         offs = 4 * hits15 + 4 * hits9;
1162                         memcpy(buffer, buffer + offs, 4 * offs);
1163                         return hits5;
1164                 }
1165                 if (hits9 > 0) {
1166                         offs = 4 * hits15;
1167                         memcpy(buffer, buffer + offs, 4 * offs);
1168                         return hits9;
1169                 }
1170                 return hits15;
1171         }
1172         
1173         return 0;
1174 }
1175
1176 /* returns basact */
1177 static Base *mouse_select_eval_buffer(ViewContext *vc, unsigned int *buffer, int hits, const int mval[2], Base *startbase, int has_bones)
1178 {
1179         Scene *scene = vc->scene;
1180         View3D *v3d = vc->v3d;
1181         Base *base, *basact = NULL;
1182         static int lastmval[2] = {-100, -100};
1183         int a, donearest = 0;
1184         
1185         /* define if we use solid nearest select or not */
1186         if (v3d->drawtype > OB_WIRE) {
1187                 donearest = 1;
1188                 if (ABS(mval[0] - lastmval[0]) < 3 && ABS(mval[1] - lastmval[1]) < 3) {
1189                         if (!has_bones) /* hrms, if theres bones we always do nearest */
1190                                 donearest = 0;
1191                 }
1192         }
1193         lastmval[0] = mval[0]; lastmval[1] = mval[1];
1194         
1195         if (donearest) {
1196                 unsigned int min = 0xFFFFFFFF;
1197                 int selcol = 0, notcol = 0;
1198                 
1199                 
1200                 if (has_bones) {
1201                         /* we skip non-bone hits */
1202                         for (a = 0; a < hits; a++) {
1203                                 if (min > buffer[4 * a + 1] && (buffer[4 * a + 3] & 0xFFFF0000) ) {
1204                                         min = buffer[4 * a + 1];
1205                                         selcol = buffer[4 * a + 3] & 0xFFFF;
1206                                 }
1207                         }
1208                 }
1209                 else {
1210                         /* only exclude active object when it is selected... */
1211                         if (BASACT && (BASACT->flag & SELECT) && hits > 1) notcol = BASACT->selcol;
1212                         
1213                         for (a = 0; a < hits; a++) {
1214                                 if (min > buffer[4 * a + 1] && notcol != (buffer[4 * a + 3] & 0xFFFF)) {
1215                                         min = buffer[4 * a + 1];
1216                                         selcol = buffer[4 * a + 3] & 0xFFFF;
1217                                 }
1218                         }
1219                 }
1220                 
1221                 base = FIRSTBASE;
1222                 while (base) {
1223                         if (BASE_SELECTABLE(v3d, base)) {
1224                                 if (base->selcol == selcol) break;
1225                         }
1226                         base = base->next;
1227                 }
1228                 if (base) basact = base;
1229         }
1230         else {
1231                 
1232                 base = startbase;
1233                 while (base) {
1234                         /* skip objects with select restriction, to prevent prematurely ending this loop
1235                          * with an un-selectable choice */
1236                         if (base->object->restrictflag & OB_RESTRICT_SELECT) {
1237                                 base = base->next;
1238                                 if (base == NULL) base = FIRSTBASE;
1239                                 if (base == startbase) break;
1240                         }
1241                         
1242                         if (BASE_SELECTABLE(v3d, base)) {
1243                                 for (a = 0; a < hits; a++) {
1244                                         if (has_bones) {
1245                                                 /* skip non-bone objects */
1246                                                 if ((buffer[4 * a + 3] & 0xFFFF0000)) {
1247                                                         if (base->selcol == (buffer[(4 * a) + 3] & 0xFFFF))
1248                                                                 basact = base;
1249                                                 }
1250                                         }
1251                                         else {
1252                                                 if (base->selcol == (buffer[(4 * a) + 3] & 0xFFFF))
1253                                                         basact = base;
1254                                         }
1255                                 }
1256                         }
1257                         
1258                         if (basact) break;
1259                         
1260                         base = base->next;
1261                         if (base == NULL) base = FIRSTBASE;
1262                         if (base == startbase) break;
1263                 }
1264         }
1265         
1266         return basact;
1267 }
1268
1269 /* mval comes from event->mval, only use within region handlers */
1270 Base *ED_view3d_give_base_under_cursor(bContext *C, const int mval[2])
1271 {
1272         ViewContext vc;
1273         Base *basact = NULL;
1274         unsigned int buffer[4 * MAXPICKBUF];
1275         int hits;
1276         
1277         /* setup view context for argument to callbacks */
1278         view3d_operator_needs_opengl(C);
1279         view3d_set_viewcontext(C, &vc);
1280         
1281         hits = mixed_bones_object_selectbuffer(&vc, buffer, mval);
1282         
1283         if (hits > 0) {
1284                 int a, has_bones = 0;
1285                 
1286                 for (a = 0; a < hits; a++) if (buffer[4 * a + 3] & 0xFFFF0000) has_bones = 1;
1287                 
1288                 basact = mouse_select_eval_buffer(&vc, buffer, hits, mval, vc.scene->base.first, has_bones);
1289         }
1290         
1291         return basact;
1292 }
1293
1294 static void deselect_all_tracks(MovieTracking *tracking)
1295 {
1296         MovieTrackingObject *object;
1297
1298         object = tracking->objects.first;
1299         while (object) {
1300                 ListBase *tracksbase = BKE_tracking_object_tracks(tracking, object);
1301                 MovieTrackingTrack *track = tracksbase->first;
1302
1303                 while (track) {
1304                         BKE_tracking_deselect_track(track, TRACK_AREA_ALL);
1305
1306                         track = track->next;
1307                 }
1308
1309                 object = object->next;
1310         }
1311 }
1312
1313 /* mval is region coords */
1314 static int mouse_select(bContext *C, const int mval[2], short extend, short obcenter, short enumerate)
1315 {
1316         ViewContext vc;
1317         ARegion *ar = CTX_wm_region(C);
1318         View3D *v3d = CTX_wm_view3d(C);
1319         Scene *scene = CTX_data_scene(C);
1320         Base *base, *startbase = NULL, *basact = NULL, *oldbasact = NULL;
1321         int temp, a, dist = 100;
1322         int retval = 0;
1323         short hits;
1324         
1325         /* setup view context for argument to callbacks */
1326         view3d_set_viewcontext(C, &vc);
1327         
1328         /* always start list from basact in wire mode */
1329         startbase =  FIRSTBASE;
1330         if (BASACT && BASACT->next) startbase = BASACT->next;
1331         
1332         /* This block uses the control key to make the object selected by its center point rather than its contents */
1333         /* in editmode do not activate */
1334         if (obcenter) {
1335                 
1336                 /* note; shift+alt goes to group-flush-selecting */
1337                 if (enumerate) {
1338                         basact = object_mouse_select_menu(C, &vc, NULL, 0, mval, extend);
1339                 }
1340                 else {
1341                         base = startbase;
1342                         while (base) {
1343                                 if (BASE_SELECTABLE(v3d, base)) {
1344                                         project_short(ar, base->object->obmat[3], &base->sx);
1345                                         
1346                                         temp = abs(base->sx - mval[0]) + abs(base->sy - mval[1]);
1347                                         if (base == BASACT) temp += 10;
1348                                         if (temp < dist) {
1349                                                 
1350                                                 dist = temp;
1351                                                 basact = base;
1352                                         }
1353                                 }
1354                                 base = base->next;
1355                                 
1356                                 if (base == NULL) base = FIRSTBASE;
1357                                 if (base == startbase) break;
1358                         }
1359                 }
1360         }
1361         else {
1362                 unsigned int buffer[4 * MAXPICKBUF];
1363
1364                 /* if objects have posemode set, the bones are in the same selection buffer */
1365                 
1366                 hits = mixed_bones_object_selectbuffer(&vc, buffer, mval);
1367                 
1368                 if (hits > 0) {
1369                         int has_bones = 0;
1370                         
1371                         /* note: bundles are handling in the same way as bones */
1372                         for (a = 0; a < hits; a++) if (buffer[4 * a + 3] & 0xFFFF0000) has_bones = 1;
1373
1374                         /* note; shift+alt goes to group-flush-selecting */
1375                         if (has_bones == 0 && enumerate) {
1376                                 basact = object_mouse_select_menu(C, &vc, buffer, hits, mval, extend);
1377                         }
1378                         else {
1379                                 basact = mouse_select_eval_buffer(&vc, buffer, hits, mval, startbase, has_bones);
1380                         }
1381                         
1382                         if (has_bones && basact) {
1383                                 if (basact->object->type == OB_CAMERA) {
1384                                         if (BASACT == basact) {
1385                                                 int i, hitresult;
1386                                                 int changed = 0;
1387
1388                                                 for (i = 0; i < hits; i++) {
1389                                                         hitresult = buffer[3 + (i * 4)];
1390
1391                                                         /* if there's bundles in buffer select bundles first,
1392                                                          * so non-camera elements should be ignored in buffer */
1393                                                         if (basact->selcol != (hitresult & 0xFFFF)) {
1394                                                                 continue;
1395                                                         }
1396
1397                                                         /* index of bundle is 1<<16-based. if there's no "bone" index
1398                                                          * in hight word, this buffer value belongs to camera,. not to bundle */
1399                                                         if (buffer[4 * i + 3] & 0xFFFF0000) {
1400                                                                 MovieClip *clip = BKE_object_movieclip_get(scene, basact->object, 0);
1401                                                                 MovieTracking *tracking = &clip->tracking;
1402                                                                 ListBase *tracksbase;
1403                                                                 MovieTrackingTrack *track;
1404
1405                                                                 track = BKE_tracking_indexed_track(&clip->tracking, hitresult >> 16, &tracksbase);
1406
1407                                                                 if (TRACK_SELECTED(track) && extend) {
1408                                                                         changed = 0;
1409                                                                         BKE_tracking_deselect_track(track, TRACK_AREA_ALL);
1410                                                                 }
1411                                                                 else {
1412                                                                         int oldsel = TRACK_SELECTED(track) ? 1 : 0;
1413                                                                         if (!extend)
1414                                                                                 deselect_all_tracks(tracking);
1415
1416                                                                         BKE_tracking_select_track(tracksbase, track, TRACK_AREA_ALL, extend);
1417
1418                                                                         if (oldsel != (TRACK_SELECTED(track) ? 1 : 0))
1419                                                                                 changed = 1;
1420                                                                 }
1421
1422                                                                 basact->flag |= SELECT;
1423                                                                 basact->object->flag = basact->flag;
1424
1425                                                                 retval = 1;
1426
1427                                                                 WM_event_add_notifier(C, NC_MOVIECLIP | ND_SELECT, track);
1428                                                                 WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
1429
1430                                                                 break;
1431                                                         }
1432                                                 }
1433
1434                                                 if (!changed) {
1435                                                         /* fallback to regular object selection if no new bundles were selected,
1436                                                          * allows to select object parented to reconstruction object */
1437                                                         basact = mouse_select_eval_buffer(&vc, buffer, hits, mval, startbase, 0);
1438                                                 }
1439                                         }
1440                                 }
1441                                 else if (ED_do_pose_selectbuffer(scene, basact, buffer, hits, extend) ) {   /* then bone is found */
1442                                 
1443                                         /* we make the armature selected: 
1444                                          * not-selected active object in posemode won't work well for tools */
1445                                         basact->flag |= SELECT;
1446                                         basact->object->flag = basact->flag;
1447                                         
1448                                         retval = 1;
1449                                         WM_event_add_notifier(C, NC_OBJECT | ND_BONE_SELECT, basact->object);
1450                                         WM_event_add_notifier(C, NC_OBJECT | ND_BONE_ACTIVE, basact->object);
1451                                         
1452                                         /* in weightpaint, we use selected bone to select vertexgroup, so no switch to new active object */
1453                                         if (BASACT && (BASACT->object->mode & OB_MODE_WEIGHT_PAINT)) {
1454                                                 /* prevent activating */
1455                                                 basact = NULL;
1456                                         }
1457
1458                                 }
1459                                 /* prevent bone selecting to pass on to object selecting */
1460                                 if (basact == BASACT)
1461                                         basact = NULL;
1462                         }
1463                 }
1464         }
1465         
1466         /* so, do we have something selected? */
1467         if (basact) {
1468                 retval = 1;
1469                 
1470                 if (vc.obedit) {
1471                         /* only do select */
1472                         deselectall_except(scene, basact);
1473                         ED_base_object_select(basact, BA_SELECT);
1474                 }
1475                 /* also prevent making it active on mouse selection */
1476                 else if (BASE_SELECTABLE(v3d, basact)) {
1477
1478                         oldbasact = BASACT;
1479                         
1480                         if (!extend) {
1481                                 deselectall_except(scene, basact);
1482                                 ED_base_object_select(basact, BA_SELECT);
1483                         }
1484                         else if (0) {
1485                                 // XXX select_all_from_groups(basact);
1486                         }
1487                         else {
1488                                 if (basact->flag & SELECT) {
1489                                         if (basact == oldbasact)
1490                                                 ED_base_object_select(basact, BA_DESELECT);
1491                                 }
1492                                 else ED_base_object_select(basact, BA_SELECT);
1493                         }
1494
1495                         if (oldbasact != basact) {
1496                                 ED_base_object_activate(C, basact); /* adds notifier */
1497                         }
1498                 }
1499
1500                 WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
1501         }
1502
1503         return retval;
1504 }
1505
1506 /* ********************  border and circle ************************************** */
1507
1508 typedef struct BoxSelectUserData {
1509         ViewContext *vc;
1510         rcti *rect;
1511         int select, pass, done;
1512 } BoxSelectUserData;
1513
1514 int edge_inside_circle(short centx, short centy, short rad, short x1, short y1, short x2, short y2)
1515 {
1516         int radsq = rad * rad;
1517         float v1[2], v2[2], v3[2];
1518         
1519         /* check points in circle itself */
1520         if ( (x1 - centx) * (x1 - centx) + (y1 - centy) * (y1 - centy) <= radsq) return 1;
1521         if ( (x2 - centx) * (x2 - centx) + (y2 - centy) * (y2 - centy) <= radsq) return 1;
1522         
1523         /* pointdistline */
1524         v3[0] = centx;
1525         v3[1] = centy;
1526         v1[0] = x1;
1527         v1[1] = y1;
1528         v2[0] = x2;
1529         v2[1] = y2;
1530         
1531         if (dist_to_line_segment_v2(v3, v1, v2) < (float)rad) return 1;
1532         
1533         return 0;
1534 }
1535
1536 static void do_nurbs_box_select__doSelect(void *userData, Nurb *UNUSED(nu), BPoint *bp, BezTriple *bezt, int beztindex, int x, int y)
1537 {
1538         BoxSelectUserData *data = userData;
1539         Object *obedit = data->vc->obedit;
1540         Curve *cu = (Curve *)obedit->data;
1541
1542         if (BLI_in_rcti(data->rect, x, y)) {
1543                 if (bp) {
1544                         bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
1545                         if (bp == cu->lastsel && !(bp->f1 & 1)) cu->lastsel = NULL;
1546                 }
1547                 else {
1548                         if (cu->drawflag & CU_HIDE_HANDLES) {
1549                                 /* can only be beztindex==0 here since handles are hidden */
1550                                 bezt->f1 = bezt->f2 = bezt->f3 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
1551                         }
1552                         else {
1553                                 if (beztindex == 0) {
1554                                         bezt->f1 = data->select ? (bezt->f1 | SELECT) : (bezt->f1 & ~SELECT);
1555                                 }
1556                                 else if (beztindex == 1) {
1557                                         bezt->f2 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
1558                                 }
1559                                 else {
1560                                         bezt->f3 = data->select ? (bezt->f3 | SELECT) : (bezt->f3 & ~SELECT);
1561                                 }
1562                         }
1563
1564                         if (bezt == cu->lastsel && !(bezt->f2 & 1)) cu->lastsel = NULL;
1565                 }
1566         }
1567 }
1568 static int do_nurbs_box_select(ViewContext *vc, rcti *rect, int select, int extend)
1569 {
1570         BoxSelectUserData data;
1571         
1572         data.vc = vc;
1573         data.rect = rect;
1574         data.select = select;
1575
1576         if (extend == 0 && select)
1577                 CU_deselect_all(vc->obedit);
1578
1579         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
1580         nurbs_foreachScreenVert(vc, do_nurbs_box_select__doSelect, &data);
1581
1582         return OPERATOR_FINISHED;
1583 }
1584
1585 static void do_lattice_box_select__doSelect(void *userData, BPoint *bp, int x, int y)
1586 {
1587         BoxSelectUserData *data = userData;
1588
1589         if (BLI_in_rcti(data->rect, x, y)) {
1590                 bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
1591         }
1592 }
1593 static int do_lattice_box_select(ViewContext *vc, rcti *rect, int select, int extend)
1594 {
1595         BoxSelectUserData data;
1596
1597         data.vc = vc;
1598         data.rect = rect;
1599         data.select = select;
1600
1601         if (extend == 0 && select)
1602                 ED_setflagsLatt(vc->obedit, 0);
1603
1604         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
1605         lattice_foreachScreenVert(vc, do_lattice_box_select__doSelect, &data);
1606         
1607         return OPERATOR_FINISHED;
1608 }
1609
1610 static void do_mesh_box_select__doSelectVert(void *userData, BMVert *eve, int x, int y, int UNUSED(index))
1611 {
1612         BoxSelectUserData *data = userData;
1613
1614         if (BLI_in_rcti(data->rect, x, y)) {
1615                 BM_vert_select_set(data->vc->em->bm, eve, data->select);
1616         }
1617 }
1618 static void do_mesh_box_select__doSelectEdge(void *userData, BMEdge *eed, int x0, int y0, int x1, int y1, int index)
1619 {
1620         BoxSelectUserData *data = userData;
1621
1622         if (EDBM_backbuf_check(bm_solidoffs + index)) {
1623                 if (data->pass == 0) {
1624                         if (edge_fully_inside_rect(data->rect, x0, y0, x1, y1)) {
1625                                 BM_edge_select_set(data->vc->em->bm, eed, data->select);
1626                                 data->done = 1;
1627                         }
1628                 }
1629                 else {
1630                         if (edge_inside_rect(data->rect, x0, y0, x1, y1)) {
1631                                 BM_edge_select_set(data->vc->em->bm, eed, data->select);
1632                         }
1633                 }
1634         }
1635 }
1636 static void do_mesh_box_select__doSelectFace(void *userData, BMFace *efa, int x, int y, int UNUSED(index))
1637 {
1638         BoxSelectUserData *data = userData;
1639
1640         if (BLI_in_rcti(data->rect, x, y)) {
1641                 BM_face_select_set(data->vc->em->bm, efa, data->select);
1642         }
1643 }
1644 static int do_mesh_box_select(ViewContext *vc, rcti *rect, int select, int extend)
1645 {
1646         BoxSelectUserData data;
1647         ToolSettings *ts = vc->scene->toolsettings;
1648         int bbsel;
1649         
1650         data.vc = vc;
1651         data.rect = rect;
1652         data.select = select;
1653         data.pass = 0;
1654         data.done = 0;
1655
1656         if (extend == 0 && select)
1657                 EDBM_flag_disable_all(vc->em, BM_ELEM_SELECT);
1658
1659         /* for non zbuf projections, don't change the GL state */
1660         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
1661
1662         glLoadMatrixf(vc->rv3d->viewmat);
1663         bbsel = EDBM_backbuf_border_init(vc, rect->xmin, rect->ymin, rect->xmax, rect->ymax);
1664
1665         if (ts->selectmode & SCE_SELECT_VERTEX) {
1666                 if (bbsel) {
1667                         edbm_backbuf_check_and_select_verts(vc->em, select);
1668                 }
1669                 else {
1670                         mesh_foreachScreenVert(vc, do_mesh_box_select__doSelectVert, &data, V3D_CLIP_TEST_RV3D_CLIPPING);
1671                 }
1672         }
1673         if (ts->selectmode & SCE_SELECT_EDGE) {
1674                 /* Does both bbsel and non-bbsel versions (need screen cos for both) */
1675
1676                 data.pass = 0;
1677                 mesh_foreachScreenEdge(vc, do_mesh_box_select__doSelectEdge, &data, V3D_CLIP_TEST_OFF);
1678
1679                 if (data.done == 0) {
1680                         data.pass = 1;
1681                         mesh_foreachScreenEdge(vc, do_mesh_box_select__doSelectEdge, &data, V3D_CLIP_TEST_OFF);
1682                 }
1683         }
1684         
1685         if (ts->selectmode & SCE_SELECT_FACE) {
1686                 if (bbsel) {
1687                         edbm_backbuf_check_and_select_faces(vc->em, select);
1688                 }
1689                 else {
1690                         mesh_foreachScreenFace(vc, do_mesh_box_select__doSelectFace, &data);
1691                 }
1692         }
1693         
1694         EDBM_backbuf_free();
1695                 
1696         EDBM_selectmode_flush(vc->em);
1697         
1698         return OPERATOR_FINISHED;
1699 }
1700
1701 static int do_meta_box_select(ViewContext *vc, rcti *rect, int select, int extend)
1702 {
1703         MetaBall *mb = (MetaBall *)vc->obedit->data;
1704         MetaElem *ml;
1705         int a;
1706
1707         unsigned int buffer[4 * MAXPICKBUF];
1708         short hits;
1709
1710         hits = view3d_opengl_select(vc, buffer, MAXPICKBUF, rect);
1711
1712         if (extend == 0 && select) {
1713                 for (ml = mb->editelems->first; ml; ml = ml->next) {
1714                         ml->flag &= ~SELECT;
1715                 }
1716         }
1717         
1718         for (ml = mb->editelems->first; ml; ml = ml->next) {
1719                 for (a = 0; a < hits; a++) {
1720                         if (ml->selcol1 == buffer[(4 * a) + 3]) {
1721                                 ml->flag |= MB_SCALE_RAD;
1722                                 if (select) ml->flag |= SELECT;
1723                                 else ml->flag &= ~SELECT;
1724                                 break;
1725                         }
1726                         if (ml->selcol2 == buffer[(4 * a) + 3]) {
1727                                 ml->flag &= ~MB_SCALE_RAD;
1728                                 if (select) ml->flag |= SELECT;
1729                                 else ml->flag &= ~SELECT;
1730                                 break;
1731                         }
1732                 }
1733         }
1734
1735         return OPERATOR_FINISHED;
1736 }
1737
1738 static int do_armature_box_select(ViewContext *vc, rcti *rect, short select, short extend)
1739 {
1740         bArmature *arm = vc->obedit->data;
1741         EditBone *ebone;
1742         int a;
1743
1744         unsigned int buffer[4 * MAXPICKBUF];
1745         short hits;
1746
1747         hits = view3d_opengl_select(vc, buffer, MAXPICKBUF, rect);
1748         
1749         /* clear flag we use to detect point was affected */
1750         for (ebone = arm->edbo->first; ebone; ebone = ebone->next)
1751                 ebone->flag &= ~BONE_DONE;
1752         
1753         if (extend == 0 && select)
1754                 ED_armature_deselect_all_visible(vc->obedit);
1755
1756         /* first we only check points inside the border */
1757         for (a = 0; a < hits; a++) {
1758                 int index = buffer[(4 * a) + 3];
1759                 if (index != -1) {
1760                         ebone = BLI_findlink(arm->edbo, index & ~(BONESEL_ANY));
1761                         if ((ebone->flag & BONE_UNSELECTABLE) == 0) {
1762                                 if (index & BONESEL_TIP) {
1763                                         ebone->flag |= BONE_DONE;
1764                                         if (select) ebone->flag |= BONE_TIPSEL;
1765                                         else ebone->flag &= ~BONE_TIPSEL;
1766                                 }
1767                                 
1768                                 if (index & BONESEL_ROOT) {
1769                                         ebone->flag |= BONE_DONE;
1770                                         if (select) ebone->flag |= BONE_ROOTSEL;
1771                                         else ebone->flag &= ~BONE_ROOTSEL;
1772                                 }
1773                         }
1774                 }
1775         }
1776         
1777         /* now we have to flush tag from parents... */
1778         for (ebone = arm->edbo->first; ebone; ebone = ebone->next) {
1779                 if (ebone->parent && (ebone->flag & BONE_CONNECTED)) {
1780                         if (ebone->parent->flag & BONE_DONE)
1781                                 ebone->flag |= BONE_DONE;
1782                 }
1783         }
1784         
1785         /* only select/deselect entire bones when no points where in the rect */
1786         for (a = 0; a < hits; a++) {
1787                 int index = buffer[(4 * a) + 3];
1788                 if (index != -1) {
1789                         ebone = BLI_findlink(arm->edbo, index & ~(BONESEL_ANY));
1790                         if (index & BONESEL_BONE) {
1791                                 if ((ebone->flag & BONE_UNSELECTABLE) == 0) {
1792                                         if (!(ebone->flag & BONE_DONE)) {
1793                                                 if (select)
1794                                                         ebone->flag |= (BONE_ROOTSEL | BONE_TIPSEL | BONE_SELECTED);
1795                                                 else
1796                                                         ebone->flag &= ~(BONE_ROOTSEL | BONE_TIPSEL | BONE_SELECTED);
1797                                         }
1798                                 }
1799                         }
1800                 }
1801         }
1802         
1803         ED_armature_sync_selection(arm->edbo);
1804         
1805         return OPERATOR_CANCELLED;
1806 }
1807
1808 static int do_object_pose_box_select(bContext *C, ViewContext *vc, rcti *rect, int select, int extend)
1809 {
1810         Bone *bone;
1811         Object *ob = vc->obact;
1812         unsigned int *vbuffer = NULL; /* selection buffer       */
1813         unsigned int *col;          /* color in buffer  */
1814         int bone_only;
1815         int bone_selected = 0;
1816         int totobj = MAXPICKBUF; // XXX solve later
1817         short hits;
1818         
1819         if ((ob) && (ob->mode & OB_MODE_POSE))
1820                 bone_only = 1;
1821         else
1822                 bone_only = 0;
1823         
1824         if (extend == 0 && select) {
1825                 if (bone_only) {
1826                         CTX_DATA_BEGIN (C, bPoseChannel *, pchan, visible_pose_bones)
1827                         {
1828                                 if ((pchan->bone->flag & BONE_UNSELECTABLE) == 0) {
1829                                         pchan->bone->flag &= ~(BONE_SELECTED | BONE_TIPSEL | BONE_ROOTSEL);
1830                                 }
1831                         }
1832                         CTX_DATA_END;
1833                 }
1834                 else {
1835                         object_deselect_all_visible(vc->scene, vc->v3d);
1836                 }
1837         }
1838
1839         /* selection buffer now has bones potentially too, so we add MAXPICKBUF */
1840         vbuffer = MEM_mallocN(4 * (totobj + MAXPICKBUF) * sizeof(unsigned int), "selection buffer");
1841         hits = view3d_opengl_select(vc, vbuffer, 4 * (totobj + MAXPICKBUF), rect);
1842         /*
1843          * LOGIC NOTES (theeth):
1844          * The buffer and ListBase have the same relative order, which makes the selection
1845          * very simple. Loop through both data sets at the same time, if the color
1846          * is the same as the object, we have a hit and can move to the next color
1847          * and object pair, if not, just move to the next object,
1848          * keeping the same color until we have a hit.
1849          * 
1850          * The buffer order is defined by OGL standard, hopefully no stupid GFX card
1851          * does it incorrectly.
1852          */
1853
1854         if (hits > 0) { /* no need to loop if there's no hit */
1855                 Base *base;
1856                 col = vbuffer + 3;
1857                 
1858                 for (base = vc->scene->base.first; base && hits; base = base->next) {
1859                         if (BASE_SELECTABLE(vc->v3d, base)) {
1860                                 while (base->selcol == (*col & 0xFFFF)) {   /* we got an object */
1861                                         
1862                                         if (*col & 0xFFFF0000) {                    /* we got a bone */
1863                                                 bone = get_indexed_bone(base->object, *col & ~(BONESEL_ANY));
1864                                                 if (bone) {
1865                                                         if (select) {
1866                                                                 if ((bone->flag & BONE_UNSELECTABLE) == 0) {
1867                                                                         bone->flag |= BONE_SELECTED;
1868                                                                         bone_selected = 1;
1869 // XXX                                                                  select_actionchannel_by_name(base->object->action, bone->name, 1);
1870                                                                 }
1871                                                         }
1872                                                         else {
1873                                                                 bArmature *arm = base->object->data;
1874                                                                 bone->flag &= ~BONE_SELECTED;
1875 // XXX                                                                  select_actionchannel_by_name(base->object->action, bone->name, 0);
1876                                                                 if (arm->act_bone == bone)
1877                                                                         arm->act_bone = NULL;
1878                                                                 
1879                                                         }
1880                                                 }
1881                                         }
1882                                         else if (!bone_only) {
1883                                                 if (select)
1884                                                         ED_base_object_select(base, BA_SELECT);
1885                                                 else
1886                                                         ED_base_object_select(base, BA_DESELECT);
1887                                         }
1888
1889                                         col += 4; /* next color */
1890                                         hits--;
1891                                         if (hits == 0) break;
1892                                 }
1893                         }
1894                         
1895                         if (bone_selected) {
1896                                 WM_event_add_notifier(C, NC_OBJECT | ND_BONE_SELECT, base->object);
1897                         }
1898                 }
1899
1900                 WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, vc->scene);
1901
1902         }
1903         MEM_freeN(vbuffer);
1904
1905         return hits > 0 ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
1906 }
1907
1908 static int view3d_borderselect_exec(bContext *C, wmOperator *op)
1909 {
1910         ViewContext vc;
1911         rcti rect;
1912         short extend;
1913         short select;
1914
1915         int ret = OPERATOR_CANCELLED;
1916
1917         view3d_operator_needs_opengl(C);
1918
1919         /* setup view context for argument to callbacks */
1920         view3d_set_viewcontext(C, &vc);
1921         
1922         select = (RNA_int_get(op->ptr, "gesture_mode") == GESTURE_MODAL_SELECT);
1923         rect.xmin = RNA_int_get(op->ptr, "xmin");
1924         rect.ymin = RNA_int_get(op->ptr, "ymin");
1925         rect.xmax = RNA_int_get(op->ptr, "xmax");
1926         rect.ymax = RNA_int_get(op->ptr, "ymax");
1927         extend = RNA_boolean_get(op->ptr, "extend");
1928
1929         if (vc.obedit) {
1930                 switch (vc.obedit->type) {
1931                         case OB_MESH:
1932                                 vc.em = BMEdit_FromObject(vc.obedit);
1933                                 ret = do_mesh_box_select(&vc, &rect, select, extend);
1934 //                      if (EM_texFaceCheck())
1935                                 if (ret & OPERATOR_FINISHED) {
1936                                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit->data);
1937                                 }
1938                                 break;
1939                         case OB_CURVE:
1940                         case OB_SURF:
1941                                 ret = do_nurbs_box_select(&vc, &rect, select, extend);
1942                                 if (ret & OPERATOR_FINISHED) {
1943                                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit->data);
1944                                 }
1945                                 break;
1946                         case OB_MBALL:
1947                                 ret = do_meta_box_select(&vc, &rect, select, extend);
1948                                 if (ret & OPERATOR_FINISHED) {
1949                                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit->data);
1950                                 }
1951                                 break;
1952                         case OB_ARMATURE:
1953                                 ret = do_armature_box_select(&vc, &rect, select, extend);
1954                                 if (ret & OPERATOR_FINISHED) {
1955                                         WM_event_add_notifier(C, NC_OBJECT | ND_BONE_SELECT, vc.obedit);
1956                                 }
1957                                 break;
1958                         case OB_LATTICE:
1959                                 ret = do_lattice_box_select(&vc, &rect, select, extend);
1960                                 if (ret & OPERATOR_FINISHED) {
1961                                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit->data);
1962                                 }
1963                                 break;
1964                         default:
1965                                 assert(!"border select on incorrect object type");
1966                 }
1967         }
1968         else {  /* no editmode, unified for bones and objects */
1969                 if (vc.obact && vc.obact->mode & OB_MODE_SCULPT) {
1970                         /* pass */
1971                 }
1972                 else if (vc.obact && paint_facesel_test(vc.obact)) {
1973                         ret = do_paintface_box_select(&vc, &rect, select, extend);
1974                 }
1975                 else if (vc.obact && paint_vertsel_test(vc.obact)) {
1976                         ret = do_paintvert_box_select(&vc, &rect, select, extend);
1977                 }
1978                 else if (vc.obact && vc.obact->mode & OB_MODE_PARTICLE_EDIT) {
1979                         ret = PE_border_select(C, &rect, select, extend);
1980                 }
1981                 else { /* object mode with none active */
1982                         ret = do_object_pose_box_select(C, &vc, &rect, select, extend);
1983                 }
1984         }
1985
1986         return ret;
1987
1988
1989
1990 /* *****************Selection Operators******************* */
1991
1992 /* ****** Border Select ****** */
1993 void VIEW3D_OT_select_border(wmOperatorType *ot)
1994 {
1995         /* identifiers */
1996         ot->name = "Border Select";
1997         ot->description = "Select items using border selection";
1998         ot->idname = "VIEW3D_OT_select_border";
1999         
2000         /* api callbacks */
2001         ot->invoke = WM_border_select_invoke;
2002         ot->exec = view3d_borderselect_exec;
2003         ot->modal = WM_border_select_modal;
2004         ot->poll = view3d_selectable_data;
2005         ot->cancel = WM_border_select_cancel;
2006         
2007         /* flags */
2008         ot->flag = OPTYPE_UNDO;
2009         
2010         /* rna */
2011         WM_operator_properties_gesture_border(ot, TRUE);
2012 }
2013
2014 /* much like facesel_face_pick()*/
2015 /* returns 0 if not found, otherwise 1 */
2016 static int vertsel_vert_pick(struct bContext *C, Mesh *me, const int mval[2], unsigned int *index, int size)
2017 {
2018         ViewContext vc;
2019         view3d_set_viewcontext(C, &vc);
2020
2021         if (!me || me->totvert == 0)
2022                 return 0;
2023
2024         if (size > 0) {
2025                 /* sample rect to increase changes of selecting, so that when clicking
2026                  * on an face in the backbuf, we can still select a vert */
2027
2028                 int dist;
2029                 *index = view3d_sample_backbuf_rect(&vc, mval, size, 1, me->totvert + 1, &dist, 0, NULL, NULL);
2030         }
2031         else {
2032                 /* sample only on the exact position */
2033                 *index = view3d_sample_backbuf(&vc, mval[0], mval[1]);
2034         }
2035
2036         if ((*index) <= 0 || (*index) > (unsigned int)me->totvert)
2037                 return 0;
2038
2039         (*index)--;
2040         
2041         return 1;
2042 }
2043
2044 /* mouse selection in weight paint */
2045 /* gets called via generic mouse select operator */
2046 static int mouse_weight_paint_vertex_select(bContext *C, const int mval[2], short extend, Object *obact)
2047 {
2048         Mesh *me = obact->data; /* already checked for NULL */
2049         unsigned int index = 0;
2050         MVert *mv;
2051
2052         if (vertsel_vert_pick(C, me, mval, &index, 50)) {
2053                 mv = me->mvert + index;
2054                 if (extend) {
2055                         mv->flag ^= SELECT;
2056                 }
2057                 else {
2058                         paintvert_deselect_all_visible(obact, SEL_DESELECT, FALSE);
2059                         mv->flag |= SELECT;
2060                 }
2061                 paintvert_flush_flags(obact);
2062                 WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obact->data);
2063                 return 1;
2064         }
2065         return 0;
2066 }
2067
2068 /* ****** Mouse Select ****** */
2069
2070
2071 static int view3d_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
2072 {
2073         Object *obedit = CTX_data_edit_object(C);
2074         Object *obact = CTX_data_active_object(C);
2075         short extend = RNA_boolean_get(op->ptr, "extend");
2076         short center = RNA_boolean_get(op->ptr, "center");
2077         short enumerate = RNA_boolean_get(op->ptr, "enumerate");
2078         short object = RNA_boolean_get(op->ptr, "object");
2079         int retval = 0;
2080
2081         view3d_operator_needs_opengl(C);
2082
2083         if (object) {
2084                 obedit = NULL;
2085                 obact = NULL;
2086
2087                 /* ack, this is incorrect but to do this correctly we would need an
2088                  * alternative editmode/objectmode keymap, this copies the functionality
2089                  * from 2.4x where Ctrl+Select in editmode does object select only */
2090                 center = FALSE;
2091         }
2092
2093         if (obedit && object == FALSE) {
2094                 if (obedit->type == OB_MESH)
2095                         retval = mouse_mesh(C, event->mval, extend);
2096                 else if (obedit->type == OB_ARMATURE)
2097                         retval = mouse_armature(C, event->mval, extend);
2098                 else if (obedit->type == OB_LATTICE)
2099                         retval = mouse_lattice(C, event->mval, extend);
2100                 else if (ELEM(obedit->type, OB_CURVE, OB_SURF))
2101                         retval = mouse_nurb(C, event->mval, extend);
2102                 else if (obedit->type == OB_MBALL)
2103                         retval = mouse_mball(C, event->mval, extend);
2104                         
2105         }
2106         else if (obact && obact->mode & OB_MODE_SCULPT)
2107                 return OPERATOR_CANCELLED;
2108         else if (obact && obact->mode & OB_MODE_PARTICLE_EDIT)
2109                 return PE_mouse_particles(C, event->mval, extend);
2110         else if (obact && paint_facesel_test(obact))
2111                 retval = paintface_mouse_select(C, obact, event->mval, extend);
2112         else if (paint_vertsel_test(obact))
2113                 retval = mouse_weight_paint_vertex_select(C, event->mval, extend, obact);
2114         else
2115                 retval = mouse_select(C, event->mval, extend, center, enumerate);
2116
2117         /* passthrough allows tweaks
2118          * FINISHED to signal one operator worked
2119          * */
2120         if (retval)
2121                 return OPERATOR_PASS_THROUGH | OPERATOR_FINISHED;
2122         else
2123                 return OPERATOR_PASS_THROUGH;  /* nothing selected, just passthrough */
2124 }
2125
2126 void VIEW3D_OT_select(wmOperatorType *ot)
2127 {
2128         /* identifiers */
2129         ot->name = "Activate/Select";
2130         ot->description = "Activate/select item(s)";
2131         ot->idname = "VIEW3D_OT_select";
2132         
2133         /* api callbacks */
2134         ot->invoke = view3d_select_invoke;
2135         ot->poll = ED_operator_view3d_active;
2136         
2137         /* flags */
2138         ot->flag = OPTYPE_UNDO;
2139         
2140         /* properties */
2141         RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend selection instead of deselecting everything first");
2142         RNA_def_boolean(ot->srna, "center", 0, "Center", "Use the object center when selecting, in editmode used to extend object selection");
2143         RNA_def_boolean(ot->srna, "enumerate", 0, "Enumerate", "List objects under the mouse (object mode only)");
2144         RNA_def_boolean(ot->srna, "object", 0, "Object", "Use object selection (editmode only)");
2145 }
2146
2147
2148 /* -------------------- circle select --------------------------------------------- */
2149
2150 typedef struct CircleSelectUserData {
2151         ViewContext *vc;
2152         short select;
2153         int mval[2];
2154         float radius;
2155 } CircleSelectUserData;
2156
2157 static void mesh_circle_doSelectVert(void *userData, BMVert *eve, int x, int y, int UNUSED(index))
2158 {
2159         CircleSelectUserData *data = userData;
2160         int mx = x - data->mval[0], my = y - data->mval[1];
2161         float r = sqrt(mx * mx + my * my);
2162
2163         if (r <= data->radius) {
2164                 BM_vert_select_set(data->vc->em->bm, eve, data->select);
2165         }
2166 }
2167 static void mesh_circle_doSelectEdge(void *userData, BMEdge *eed, int x0, int y0, int x1, int y1, int UNUSED(index))
2168 {
2169         CircleSelectUserData *data = userData;
2170
2171         if (edge_inside_circle(data->mval[0], data->mval[1], (short) data->radius, x0, y0, x1, y1)) {
2172                 BM_edge_select_set(data->vc->em->bm, eed, data->select);
2173         }
2174 }
2175 static void mesh_circle_doSelectFace(void *userData, BMFace *efa, int x, int y, int UNUSED(index))
2176 {
2177         CircleSelectUserData *data = userData;
2178         int mx = x - data->mval[0], my = y - data->mval[1];
2179         float r = sqrt(mx * mx + my * my);
2180         
2181         if (r <= data->radius) {
2182                 BM_face_select_set(data->vc->em->bm, efa, data->select);
2183         }
2184 }
2185
2186 static void mesh_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2187 {
2188         ToolSettings *ts = vc->scene->toolsettings;
2189         int bbsel;
2190         CircleSelectUserData data;
2191         
2192         bbsel = EDBM_backbuf_circle_init(vc, mval[0], mval[1], (short)(rad + 1.0f));
2193         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
2194
2195         vc->em = BMEdit_FromObject(vc->obedit);
2196
2197         data.vc = vc;
2198         data.select = select;
2199         data.mval[0] = mval[0];
2200         data.mval[1] = mval[1];
2201         data.radius = rad;
2202
2203         if (ts->selectmode & SCE_SELECT_VERTEX) {
2204                 if (bbsel) {
2205                         edbm_backbuf_check_and_select_verts(vc->em, select == LEFTMOUSE);
2206                 }
2207                 else {
2208                         mesh_foreachScreenVert(vc, mesh_circle_doSelectVert, &data, V3D_CLIP_TEST_RV3D_CLIPPING);
2209                 }
2210         }
2211
2212         if (ts->selectmode & SCE_SELECT_EDGE) {
2213                 if (bbsel) {
2214                         edbm_backbuf_check_and_select_edges(vc->em, select == LEFTMOUSE);
2215                 }
2216                 else {
2217                         mesh_foreachScreenEdge(vc, mesh_circle_doSelectEdge, &data, V3D_CLIP_TEST_OFF);
2218                 }
2219         }
2220         
2221         if (ts->selectmode & SCE_SELECT_FACE) {
2222                 if (bbsel) {
2223                         edbm_backbuf_check_and_select_faces(vc->em, select == LEFTMOUSE);
2224                 }
2225                 else {
2226                         mesh_foreachScreenFace(vc, mesh_circle_doSelectFace, &data);
2227                 }
2228         }
2229
2230         EDBM_backbuf_free();
2231         EDBM_selectmode_flush(vc->em);
2232 }
2233
2234 static void paint_facesel_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2235 {
2236         Object *ob = vc->obact;
2237         Mesh *me = ob ? ob->data : NULL;
2238         /* int bbsel; */ /* UNUSED */
2239
2240         if (me) {
2241                 bm_vertoffs = me->totpoly + 1; /* max index array */
2242
2243                 /* bbsel= */ /* UNUSED */ EDBM_backbuf_circle_init(vc, mval[0], mval[1], (short)(rad + 1.0f));
2244                 edbm_backbuf_check_and_select_tfaces(me, select == LEFTMOUSE);
2245                 EDBM_backbuf_free();
2246         }
2247 }
2248
2249
2250 static void paint_vertsel_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2251 {
2252         Object *ob = vc->obact;
2253         Mesh *me = ob ? ob->data : NULL;
2254         /* int bbsel; */ /* UNUSED */
2255         /* CircleSelectUserData data = {NULL}; */ /* UNUSED */
2256         if (me) {
2257                 bm_vertoffs = me->totvert + 1; /* max index array */
2258
2259                 /* bbsel= */ /* UNUSED */ EDBM_backbuf_circle_init(vc, mval[0], mval[1], (short)(rad + 1.0f));
2260                 edbm_backbuf_check_and_select_verts_obmode(me, select == LEFTMOUSE);
2261                 EDBM_backbuf_free();
2262
2263                 paintvert_flush_flags(ob);
2264         }
2265 }
2266
2267
2268 static void nurbscurve_circle_doSelect(void *userData, Nurb *UNUSED(nu), BPoint *bp, BezTriple *bezt, int beztindex, int x, int y)
2269 {
2270         CircleSelectUserData *data = userData;
2271         int mx = x - data->mval[0], my = y - data->mval[1];
2272         float r = sqrt(mx * mx + my * my);
2273         Object *obedit = data->vc->obedit;
2274         Curve *cu = (Curve *)obedit->data;
2275
2276         if (r <= data->radius) {
2277                 if (bp) {
2278                         bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
2279
2280                         if (bp == cu->lastsel && !(bp->f1 & 1)) cu->lastsel = NULL;
2281                 }
2282                 else {
2283                         if (cu->drawflag & CU_HIDE_HANDLES) {
2284                                 /* can only be beztindex==0 here since handles are hidden */
2285                                 bezt->f1 = bezt->f2 = bezt->f3 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
2286                         }
2287                         else {
2288                                 if (beztindex == 0) {
2289                                         bezt->f1 = data->select ? (bezt->f1 | SELECT) : (bezt->f1 & ~SELECT);
2290                                 }
2291                                 else if (beztindex == 1) {
2292                                         bezt->f2 = data->select ? (bezt->f2 | SELECT) : (bezt->f2 & ~SELECT);
2293                                 }
2294                                 else {
2295                                         bezt->f3 = data->select ? (bezt->f3 | SELECT) : (bezt->f3 & ~SELECT);
2296                                 }
2297                         }
2298
2299                         if (bezt == cu->lastsel && !(bezt->f2 & 1)) cu->lastsel = NULL;
2300                 }
2301         }
2302 }
2303 static void nurbscurve_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2304 {
2305         CircleSelectUserData data;
2306
2307         /* set vc-> edit data */
2308         
2309         data.select = select;
2310         data.mval[0] = mval[0];
2311         data.mval[1] = mval[1];
2312         data.radius = rad;
2313         data.vc = vc;
2314
2315         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
2316         nurbs_foreachScreenVert(vc, nurbscurve_circle_doSelect, &data);
2317 }
2318
2319
2320 static void latticecurve_circle_doSelect(void *userData, BPoint *bp, int x, int y)
2321 {
2322         CircleSelectUserData *data = userData;
2323         int mx = x - data->mval[0], my = y - data->mval[1];
2324         float r = sqrt(mx * mx + my * my);
2325
2326         if (r <= data->radius) {
2327                 bp->f1 = data->select ? (bp->f1 | SELECT) : (bp->f1 & ~SELECT);
2328         }
2329 }
2330 static void lattice_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2331 {
2332         CircleSelectUserData data;
2333
2334         /* set vc-> edit data */
2335         
2336         data.select = select;
2337         data.mval[0] = mval[0];
2338         data.mval[1] = mval[1];
2339         data.radius = rad;
2340
2341         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
2342         lattice_foreachScreenVert(vc, latticecurve_circle_doSelect, &data);
2343 }
2344
2345
2346 // NOTE: pose-bone case is copied from editbone case...
2347 static short pchan_circle_doSelectJoint(void *userData, bPoseChannel *pchan, int x, int y)
2348 {
2349         CircleSelectUserData *data = userData;
2350         int mx = x - data->mval[0], my = y - data->mval[1];
2351         float r = sqrt(mx * mx + my * my);
2352         
2353         if (r <= data->radius) {
2354                 if (data->select)
2355                         pchan->bone->flag |= BONE_SELECTED;
2356                 else
2357                         pchan->bone->flag &= ~BONE_SELECTED;
2358                 return 1;
2359         }
2360         return 0;
2361 }
2362 static void pose_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2363 {
2364         CircleSelectUserData data;
2365         bArmature *arm = vc->obact->data;
2366         bPose *pose = vc->obact->pose;
2367         bPoseChannel *pchan;
2368         int change = FALSE;
2369         
2370         /* set vc->edit data */
2371         data.select = select;
2372         data.mval[0] = mval[0];
2373         data.mval[1] = mval[1];
2374         data.radius = rad;
2375
2376         ED_view3d_init_mats_rv3d(vc->obact, vc->rv3d); /* for foreach's screen/vert projection */
2377         
2378         /* check each PoseChannel... */
2379         // TODO: could be optimized at some point
2380         for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
2381                 short sco1[2], sco2[2], didpoint = 0;
2382                 float vec[3];
2383                 
2384                 /* skip invisible bones */
2385                 if (PBONE_VISIBLE(arm, pchan->bone) == 0)
2386                         continue;
2387                 
2388                 /* project head location to screenspace */
2389                 mul_v3_m4v3(vec, vc->obact->obmat, pchan->pose_head);
2390                 project_short(vc->ar, vec, sco1);
2391                 
2392                 /* project tail location to screenspace */
2393                 mul_v3_m4v3(vec, vc->obact->obmat, pchan->pose_tail);
2394                 project_short(vc->ar, vec, sco2);
2395                 
2396                 /* check if the head and/or tail is in the circle 
2397                  *      - the call to check also does the selection already
2398                  */
2399                 if (pchan_circle_doSelectJoint(&data, pchan, sco1[0], sco1[1]))
2400                         didpoint = 1;
2401                 if (pchan_circle_doSelectJoint(&data, pchan, sco2[0], sco2[1]))
2402                         didpoint = 1;
2403                 
2404                 change |= didpoint;
2405         }
2406
2407         if (change) {
2408                 WM_main_add_notifier(NC_OBJECT | ND_BONE_SELECT, vc->obact);
2409         }
2410 }
2411
2412 static short armature_circle_doSelectJoint(void *userData, EditBone *ebone, int x, int y, short head)
2413 {
2414         CircleSelectUserData *data = userData;
2415         int mx = x - data->mval[0], my = y - data->mval[1];
2416         float r = sqrt(mx * mx + my * my);
2417         
2418         if (r <= data->radius) {
2419                 if (head) {
2420                         if (data->select)
2421                                 ebone->flag |= BONE_ROOTSEL;
2422                         else 
2423                                 ebone->flag &= ~BONE_ROOTSEL;
2424                 }
2425                 else {
2426                         if (data->select)
2427                                 ebone->flag |= BONE_TIPSEL;
2428                         else 
2429                                 ebone->flag &= ~BONE_TIPSEL;
2430                 }
2431                 return 1;
2432         }
2433         return 0;
2434 }
2435 static void armature_circle_select(ViewContext *vc, int select, const int mval[2], float rad)
2436 {
2437         CircleSelectUserData data;
2438         bArmature *arm = vc->obedit->data;
2439         EditBone *ebone;
2440         int change = FALSE;
2441         
2442         /* set vc->edit data */
2443         data.select = select;
2444         data.mval[0] = mval[0];
2445         data.mval[1] = mval[1];
2446         data.radius = rad;
2447
2448         ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); /* for foreach's screen/vert projection */
2449         
2450         /* check each EditBone... */
2451         // TODO: could be optimized at some point
2452         for (ebone = arm->edbo->first; ebone; ebone = ebone->next) {
2453                 short sco1[2], sco2[2], didpoint = 0;
2454                 float vec[3];
2455                 
2456                 /* project head location to screenspace */
2457                 mul_v3_m4v3(vec, vc->obedit->obmat, ebone->head);
2458                 project_short(vc->ar, vec, sco1);
2459                 
2460                 /* project tail location to screenspace */
2461                 mul_v3_m4v3(vec, vc->obedit->obmat, ebone->tail);
2462                 project_short(vc->ar, vec, sco2);
2463                 
2464                 /* check if the head and/or tail is in the circle 
2465                  *      - the call to check also does the selection already
2466                  */
2467                 if (armature_circle_doSelectJoint(&data, ebone, sco1[0], sco1[1], 1))
2468                         didpoint = 1;
2469                 if (armature_circle_doSelectJoint(&data, ebone, sco2[0], sco2[1], 0))
2470                         didpoint = 1;
2471                         
2472                 /* only if the endpoints didn't get selected, deal with the middle of the bone too */
2473                 // XXX should we just do this always?
2474                 if ( (didpoint == 0) && edge_inside_circle(mval[0], mval[1], rad, sco1[0], sco1[1], sco2[0], sco2[1]) ) {
2475                         if (select) 
2476                                 ebone->flag |= BONE_TIPSEL | BONE_ROOTSEL | BONE_SELECTED;
2477                         else 
2478                                 ebone->flag &= ~(BONE_SELECTED | BONE_TIPSEL | BONE_ROOTSEL);
2479                         change = TRUE;
2480                 }
2481                 
2482                 change |= didpoint;
2483         }
2484
2485         if (change) {
2486                 ED_armature_sync_selection(arm->edbo);
2487                 ED_armature_validate_active(arm);
2488                 WM_main_add_notifier(NC_OBJECT | ND_BONE_SELECT, vc->obedit);
2489         }
2490 }
2491
2492 /** Callbacks for circle selection in Editmode */
2493
2494 static void obedit_circle_select(ViewContext *vc, short select, const int mval[2], float rad)
2495 {
2496         switch (vc->obedit->type) {
2497                 case OB_MESH:
2498                         mesh_circle_select(vc, select, mval, rad);
2499                         break;
2500                 case OB_CURVE:
2501                 case OB_SURF:
2502                         nurbscurve_circle_select(vc, select, mval, rad);
2503                         break;
2504                 case OB_LATTICE:
2505                         lattice_circle_select(vc, select, mval, rad);
2506                         break;
2507                 case OB_ARMATURE:
2508                         armature_circle_select(vc, select, mval, rad);
2509                         break;
2510                 default:
2511                         return;
2512         }
2513 }
2514
2515 /* not a real operator, only for circle test */
2516 static int view3d_circle_select_exec(bContext *C, wmOperator *op)
2517 {
2518         ScrArea *sa = CTX_wm_area(C);
2519         ARegion *ar = CTX_wm_region(C);
2520         Scene *scene = CTX_data_scene(C);
2521         Object *obact = CTX_data_active_object(C);
2522         View3D *v3d = sa->spacedata.first;
2523         int x = RNA_int_get(op->ptr, "x");
2524         int y = RNA_int_get(op->ptr, "y");
2525         int radius = RNA_int_get(op->ptr, "radius");
2526         int gesture_mode = RNA_int_get(op->ptr, "gesture_mode");
2527         int select;
2528         
2529         select = (gesture_mode == GESTURE_MODAL_SELECT);
2530
2531         if (CTX_data_edit_object(C) || paint_facesel_test(obact) || paint_vertsel_test(obact) ||
2532             (obact && (obact->mode & (OB_MODE_PARTICLE_EDIT | OB_MODE_POSE))) )
2533         {
2534                 ViewContext vc;
2535                 int mval[2];
2536                 
2537                 view3d_operator_needs_opengl(C);
2538                 
2539                 view3d_set_viewcontext(C, &vc);
2540                 mval[0] = x;
2541                 mval[1] = y;
2542
2543                 if (CTX_data_edit_object(C)) {
2544                         obedit_circle_select(&vc, select, mval, (float)radius);
2545                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obact->data);
2546                 }
2547                 else if (paint_facesel_test(obact)) {
2548                         paint_facesel_circle_select(&vc, select, mval, (float)radius);
2549                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obact->data);
2550                 }
2551                 else if (paint_vertsel_test(obact)) {
2552                         paint_vertsel_circle_select(&vc, select, mval, (float)radius);
2553                         WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obact->data);
2554                 }
2555                 else if (obact->mode & OB_MODE_POSE)
2556                         pose_circle_select(&vc, select, mval, (float)radius);
2557                 else
2558                         return PE_circle_select(C, select, mval, (float)radius);
2559         }
2560         else if (obact && obact->mode & OB_MODE_SCULPT) {
2561                 return OPERATOR_CANCELLED;
2562         }
2563         else {
2564                 Base *base;
2565                 select = select ? BA_SELECT : BA_DESELECT;
2566                 for (base = FIRSTBASE; base; base = base->next) {
2567                         if (BASE_SELECTABLE(v3d, base)) {
2568                                 project_short(ar, base->object->obmat[3], &base->sx);
2569                                 if (base->sx != IS_CLIPPED) {
2570                                         int dx = base->sx - x;
2571                                         int dy = base->sy - y;
2572                                         if (dx * dx + dy * dy < radius * radius)
2573                                                 ED_base_object_select(base, select);
2574                                 }
2575                         }
2576                 }
2577                 
2578                 WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, CTX_data_scene(C));
2579         }
2580         
2581         return OPERATOR_FINISHED;
2582 }
2583
2584 void VIEW3D_OT_select_circle(wmOperatorType *ot)
2585 {
2586         ot->name = "Circle Select";
2587         ot->description = "Select items using circle selection";
2588         ot->idname = "VIEW3D_OT_select_circle";
2589         
2590         ot->invoke = WM_gesture_circle_invoke;
2591         ot->modal = WM_gesture_circle_modal;
2592         ot->exec = view3d_circle_select_exec;
2593         ot->poll = view3d_selectable_data;
2594         ot->cancel = WM_gesture_circle_cancel;
2595         
2596         /* flags */
2597         ot->flag = OPTYPE_UNDO;
2598         
2599         RNA_def_int(ot->srna, "x", 0, INT_MIN, INT_MAX, "X", "", INT_MIN, INT_MAX);
2600         RNA_def_int(ot->srna, "y", 0, INT_MIN, INT_MAX, "Y", "", INT_MIN, INT_MAX);
2601         RNA_def_int(ot->srna, "radius", 0, INT_MIN, INT_MAX, "Radius", "", INT_MIN, INT_MAX);
2602         RNA_def_int(ot->srna, "gesture_mode", 0, INT_MIN, INT_MAX, "Event Type", "", INT_MIN, INT_MAX);
2603 }