/
CommandConstraints.cpp
4920 lines (4101 loc) · 208 KB
/
CommandConstraints.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/***************************************************************************
* Copyright (c) 2010 Jürgen Riegel (juergen.riegel@web.de) *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <cfloat>
# include <QMessageBox>
# include <Precision.hxx>
#endif
#include <Base/Tools.h>
#include <Base/Tools2D.h>
#include <App/Application.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/Selection.h>
#include <Gui/SelectionFilter.h>
#include <Gui/Command.h>
#include <Gui/MainWindow.h>
#include <Gui/DlgEditFileIncludeProptertyExternal.h>
#include <Gui/Action.h>
#include <Gui/BitmapFactory.h>
#include <Mod/Part/App/Geometry.h>
#include <Mod/Sketcher/App/SketchObject.h>
#include <Mod/Sketcher/App/Sketch.h>
#include "ViewProviderSketch.h"
#include "DrawSketchHandler.h"
#include "ui_InsertDatum.h"
#include "EditDatumDialog.h"
#include "CommandConstraints.h"
using namespace std;
using namespace SketcherGui;
using namespace Sketcher;
/***** Creation Mode ************/
namespace SketcherGui
{
enum ConstraintCreationMode {
Driving,
Reference
};
}
ConstraintCreationMode constraintCreationMode=Driving;
void ActivateHandler(Gui::Document *doc,DrawSketchHandler *handler);
bool isCreateGeoActive(Gui::Document *doc);
bool isCreateConstraintActive(Gui::Document *doc)
{
if (doc) {
// checks if a Sketch Viewprovider is in Edit and is in no special mode
if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId())) {
if (static_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit())
->getSketchMode() == ViewProviderSketch::STATUS_NONE) {
if (Gui::Selection().countObjectsOfType(Sketcher::SketchObject::getClassTypeId()) > 0)
return true;
}
}
}
return false;
}
void openEditDatumDialog(Sketcher::SketchObject* sketch, int ConstrNbr)
{
const std::vector<Sketcher::Constraint *> &Constraints = sketch->Constraints.getValues();
Sketcher::Constraint* Constr = Constraints[ConstrNbr];
// Return if constraint doesn't have editable value
if (Constr->Type == Sketcher::Distance ||
Constr->Type == Sketcher::DistanceX ||
Constr->Type == Sketcher::DistanceY ||
Constr->Type == Sketcher::Radius ||
Constr->Type == Sketcher::Angle ||
Constr->Type == Sketcher::SnellsLaw) {
QDialog dlg(Gui::getMainWindow());
Ui::InsertDatum ui_ins_datum;
ui_ins_datum.setupUi(&dlg);
double datum = Constr->getValue();
Base::Quantity init_val;
if (Constr->Type == Sketcher::Angle) {
datum = Base::toDegrees<double>(datum);
dlg.setWindowTitle(EditDatumDialog::tr("Insert angle"));
init_val.setUnit(Base::Unit::Angle);
ui_ins_datum.label->setText(EditDatumDialog::tr("Angle:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherAngle"));
}
else if (Constr->Type == Sketcher::Radius) {
dlg.setWindowTitle(EditDatumDialog::tr("Insert radius"));
init_val.setUnit(Base::Unit::Length);
ui_ins_datum.label->setText(EditDatumDialog::tr("Radius:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
}
else if (Constr->Type == Sketcher::SnellsLaw) {
dlg.setWindowTitle(EditDatumDialog::tr("Refractive index ratio", "Constraint_SnellsLaw"));
ui_ins_datum.label->setText(EditDatumDialog::tr("Ratio n2/n1:", "Constraint_SnellsLaw"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherRefrIndexRatio"));
}
else {
dlg.setWindowTitle(EditDatumDialog::tr("Insert length"));
init_val.setUnit(Base::Unit::Length);
ui_ins_datum.label->setText(EditDatumDialog::tr("Length:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
}
// e.g. an angle or a distance X or Y applied on a line or two vertexes
init_val.setValue(datum);
ui_ins_datum.labelEdit->setValue(init_val);
ui_ins_datum.labelEdit->selectNumber();
ui_ins_datum.labelEdit->bind(sketch->Constraints.createPath(ConstrNbr));
ui_ins_datum.name->setText(Base::Tools::fromStdString(Constr->Name));
if (dlg.exec()) {
Base::Quantity newQuant = ui_ins_datum.labelEdit->value();
if (newQuant.isQuantity() || (Constr->Type == Sketcher::SnellsLaw && newQuant.isDimensionless())) {
// save the value for the history
ui_ins_datum.labelEdit->pushToHistory();
double newDatum = newQuant.getValue();
try {
if (ui_ins_datum.labelEdit->hasExpression())
ui_ins_datum.labelEdit->apply();
else
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.setDatum(%i,App.Units.Quantity('%f %s'))",
sketch->getNameInDocument(),
ConstrNbr, newDatum, (const char*)newQuant.getUnit().getString().toUtf8());
QString constraintName = ui_ins_datum.name->text().trimmed();
if (Base::Tools::toStdString(constraintName) != sketch->Constraints[ConstrNbr]->Name) {
std::string escapedstr = Base::Tools::escapedUnicodeFromUtf8(constraintName.toUtf8().constData());
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.renameConstraint(%d, u'%s')",
sketch->getNameInDocument(),
ConstrNbr, escapedstr.c_str());
}
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if (sketch->noRecomputes && sketch->ExpressionEngine.depsAreTouched()) {
sketch->ExpressionEngine.execute();
sketch->solve();
}
if(autoRecompute)
Gui::Command::updateActive();
}
catch (const Base::Exception& e) {
QMessageBox::critical(qApp->activeWindow(), QObject::tr("Dimensional constraint"), QString::fromUtf8(e.what()));
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // toggling does not modify the DoF of the solver, however it may affect features depending on the sketch
Gui::Command::updateActive();
else
sketch->solve(); // we have to update the solver after this aborted addition.
}
}
}
else {
// command canceled
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // upon cancelling we have to solve again to remove the constraint from the solver
Gui::Command::updateActive();
else
sketch->solve(); // we have to update the solver after this aborted addition.
}
}
}
// Utility method to avoid repeating the same code over and over again
void finishDistanceConstraint(Gui::Command* cmd, Sketcher::SketchObject* sketch, bool isDriven=true)
{
// Get the latest constraint
const std::vector<Sketcher::Constraint *> &ConStr = sketch->Constraints.getValues();
Sketcher::Constraint *constr = ConStr[ConStr.size() -1];
// Guess some reasonable distance for placing the datum text
Gui::Document *doc = cmd->getActiveGuiDocument();
float sf = 1.f;
if (doc && doc->getInEdit() && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId())) {
SketcherGui::ViewProviderSketch *vp = static_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit());
sf = vp->getScaleFactor();
constr->LabelDistance = 2. * sf;
vp->draw(); // Redraw
}
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool show = hGrp->GetBool("ShowDialogOnDistanceConstraint", true);
// Ask for the value of the distance immediately
if (show && isDriven) {
openEditDatumDialog(sketch, ConStr.size() - 1);
}
else {
// no dialog was shown so commit the command
cmd->commitCommand();
}
//ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
cmd->getSelection().clearSelection();
}
void showNoConstraintBetweenExternal()
{
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
QObject::tr("Cannot add a constraint between two external geometries!"));
}
bool checkBothExternal(int GeoId1, int GeoId2)
{
if (GeoId1 == Constraint::GeoUndef || GeoId2 == Constraint::GeoUndef)
return false;
else
return (GeoId1 < 0 && GeoId2 < 0);
}
void getIdsFromName(const std::string &name, const Sketcher::SketchObject* Obj,
int &GeoId, PointPos &PosId)
{
GeoId = Constraint::GeoUndef;
PosId = Sketcher::none;
if (name.size() > 4 && name.substr(0,4) == "Edge") {
GeoId = std::atoi(name.substr(4,4000).c_str()) - 1;
}
else if (name.size() == 9 && name.substr(0,9) == "RootPoint") {
GeoId = Sketcher::GeoEnum::RtPnt;
PosId = Sketcher::start;
}
else if (name.size() == 6 && name.substr(0,6) == "H_Axis")
GeoId = Sketcher::GeoEnum::HAxis;
else if (name.size() == 6 && name.substr(0,6) == "V_Axis")
GeoId = Sketcher::GeoEnum::VAxis;
else if (name.size() > 12 && name.substr(0,12) == "ExternalEdge")
GeoId = Sketcher::GeoEnum::RefExt + 1 - std::atoi(name.substr(12,4000).c_str());
else if (name.size() > 6 && name.substr(0,6) == "Vertex") {
int VtId = std::atoi(name.substr(6,4000).c_str()) - 1;
Obj->getGeoVertexIndex(VtId,GeoId,PosId);
}
}
bool inline isVertex(int GeoId, PointPos PosId)
{
return (GeoId != Constraint::GeoUndef && PosId != Sketcher::none);
}
bool inline isEdge(int GeoId, PointPos PosId)
{
return (GeoId != Constraint::GeoUndef && PosId == Sketcher::none);
}
bool isSimpleVertex(const Sketcher::SketchObject* Obj, int GeoId, PointPos PosId)
{
if (PosId == Sketcher::start && (GeoId == Sketcher::GeoEnum::HAxis || GeoId == Sketcher::GeoEnum::VAxis))
return true;
const Part::Geometry *geo = Obj->getGeometry(GeoId);
if (geo->getTypeId() == Part::GeomPoint::getClassTypeId())
return true;
else if (PosId == Sketcher::mid)
return true;
else
return false;
}
bool IsPointAlreadyOnCurve(int GeoIdCurve, int GeoIdPoint, Sketcher::PointPos PosIdPoint, Sketcher::SketchObject* Obj)
{
//This func is a "smartness" behind three-element tangent-, perp.- and angle-via-point.
//We want to find out, if the point supplied by user is already on
// both of the curves. If not, necessary point-on-object constraints
// are to be added automatically.
//Simple geometric test seems to be the best, because a point can be
// constrained to a curve in a number of ways (e.g. it is an endpoint of an
// arc, or is coincident to endpoint of an arc, or it is an endpoint of an
// ellipse's majopr diameter line). Testing all those possibilities is way
// too much trouble, IMO(DeepSOIC).
Base::Vector3d p = Obj->getPoint(GeoIdPoint, PosIdPoint);
return Obj->isPointOnCurve(GeoIdCurve, p.x, p.y);
}
/// Makes a simple tangency constraint using extra point + tangent via point
/// geom1 => an ellipse
/// geom2 => any of an ellipse, an arc of ellipse, a circle, or an arc (of circle)
/// NOTE: A command must be opened before calling this function, which this function
/// commits or aborts as appropriate. The reason is for compatibility reasons with
/// other code e.g. "Autoconstraints" in DrawSketchHandler.cpp
void SketcherGui::makeTangentToEllipseviaNewPoint(const Sketcher::SketchObject* Obj,
const Part::Geometry *geom1,
const Part::Geometry *geom2,
int geoId1,
int geoId2
)
{
const Part::GeomEllipse *ellipse = static_cast<const Part::GeomEllipse *>(geom1);
Base::Vector3d center=ellipse->getCenter();
double majord=ellipse->getMajorRadius();
double minord=ellipse->getMinorRadius();
double phi=atan2(ellipse->getMajorAxisDir().y, ellipse->getMajorAxisDir().x);
Base::Vector3d center2;
if( geom2->getTypeId() == Part::GeomEllipse::getClassTypeId() )
center2= (static_cast<const Part::GeomEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomCircle::getClassTypeId())
center2= (static_cast<const Part::GeomCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfCircle *>(geom2))->getCenter();
Base::Vector3d direction=center2-center;
double tapprox=atan2(direction.y,direction.x)-phi; // we approximate the eccentric anomally by the polar
Base::Vector3d PoE = Base::Vector3d(center.x+majord*cos(tapprox)*cos(phi)-minord*sin(tapprox)*sin(phi),
center.y+majord*cos(tapprox)*sin(phi)+minord*sin(tapprox)*cos(phi), 0);
try {
// Add a point
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Point(App.Vector(%f,%f,0)))",
Obj->getNameInDocument(), PoE.x,PoE.y);
int GeoIdPoint = Obj->getHighestCurveIndex();
// Point on first object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId1); // constrain major axis
// Point on second object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId2); // constrain major axis
// tangent via point
Gui::Command::doCommand(
Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('TangentViaPoint',%d,%d,%d,%d))",
Obj->getNameInDocument(), geoId1, geoId2 ,GeoIdPoint, Sketcher::start);
}
catch (const Base::Exception& e) {
Base::Console().Error("%s\n", e.what());
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // toggling does not modify the DoF of the solver, however it may affect features depending on the sketch
Gui::Command::updateActive();
return;
}
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
}
/// Makes a simple tangency constraint using extra point + tangent via point
/// geom1 => an arc of ellipse
/// geom2 => any of an arc of ellipse, a circle, or an arc (of circle)
/// NOTE: A command must be opened before calling this function, which this function
/// commits or aborts as appropriate. The reason is for compatibility reasons with
/// other code e.g. "Autoconstraints" in DrawSketchHandler.cpp
void SketcherGui::makeTangentToArcOfEllipseviaNewPoint(const Sketcher::SketchObject* Obj,
const Part::Geometry *geom1,
const Part::Geometry *geom2,
int geoId1,
int geoId2
)
{
const Part::GeomArcOfEllipse *aoe = static_cast<const Part::GeomArcOfEllipse *>(geom1);
Base::Vector3d center=aoe->getCenter();
double majord=aoe->getMajorRadius();
double minord=aoe->getMinorRadius();
double phi=atan2(aoe->getMajorAxisDir().y, aoe->getMajorAxisDir().x);
Base::Vector3d center2;
if( geom2->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomCircle::getClassTypeId())
center2= (static_cast<const Part::GeomCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfCircle *>(geom2))->getCenter();
Base::Vector3d direction=center2-center;
double tapprox=atan2(direction.y,direction.x)-phi; // we approximate the eccentric anomally by the polar
Base::Vector3d PoE = Base::Vector3d(center.x+majord*cos(tapprox)*cos(phi)-minord*sin(tapprox)*sin(phi),
center.y+majord*cos(tapprox)*sin(phi)+minord*sin(tapprox)*cos(phi), 0);
try {
// Add a point
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Point(App.Vector(%f,%f,0)))",
Obj->getNameInDocument(), PoE.x,PoE.y);
int GeoIdPoint = Obj->getHighestCurveIndex();
// Point on first object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId1); // constrain major axis
// Point on second object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId2); // constrain major axis
// tangent via point
Gui::Command::doCommand(
Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('TangentViaPoint',%d,%d,%d,%d))",
Obj->getNameInDocument(), geoId1, geoId2 ,GeoIdPoint, Sketcher::start);
}
catch (const Base::Exception& e) {
Base::Console().Error("%s\n", e.what());
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // toggling does not modify the DoF of the solver, however it may affect features depending on the sketch
Gui::Command::updateActive();
return;
}
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
}
/// Makes a simple tangency constraint using extra point + tangent via point
/// geom1 => an arc of hyperbola
/// geom2 => any of an arc of hyperbola, an arc of ellipse, a circle, or an arc (of circle)
/// NOTE: A command must be opened before calling this function, which this function
/// commits or aborts as appropriate. The reason is for compatibility reasons with
/// other code e.g. "Autoconstraints" in DrawSketchHandler.cpp
void SketcherGui::makeTangentToArcOfHyperbolaviaNewPoint(const Sketcher::SketchObject* Obj,
const Part::Geometry *geom1,
const Part::Geometry *geom2,
int geoId1,
int geoId2
)
{
const Part::GeomArcOfHyperbola *aoh = static_cast<const Part::GeomArcOfHyperbola *>(geom1);
Base::Vector3d center=aoh->getCenter();
double majord=aoh->getMajorRadius();
double minord=aoh->getMinorRadius();
Base::Vector3d dirmaj = aoh->getMajorAxisDir();
double phi=atan2(dirmaj.y, dirmaj.x);
double df = sqrt(majord*majord+minord*minord);
Base::Vector3d focus = center+df*dirmaj; // positive focus
Base::Vector3d center2;
if( geom2->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()){
const Part::GeomArcOfHyperbola *aoh2 = static_cast<const Part::GeomArcOfHyperbola *>(geom2);
Base::Vector3d dirmaj2 = aoh2->getMajorAxisDir();
double majord2 = aoh2->getMajorRadius();
double minord2 = aoh2->getMinorRadius();
double df2 = sqrt(majord2*majord2+minord2*minord2);
center2 = aoh2->getCenter()+df2*dirmaj2; // positive focus
}
else if( geom2->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomCircle::getClassTypeId())
center2= (static_cast<const Part::GeomCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
const Part::GeomLineSegment *l2 = static_cast<const Part::GeomLineSegment *>(geom2);
center2= (l2->getStartPoint() + l2->getEndPoint())/2;
}
Base::Vector3d direction=center2-focus;
double tapprox=atan2(direction.y,direction.x)-phi;
Base::Vector3d PoH = Base::Vector3d(center.x+majord*cosh(tapprox)*cos(phi)-minord*sinh(tapprox)*sin(phi),
center.y+majord*cosh(tapprox)*sin(phi)+minord*sinh(tapprox)*cos(phi), 0);
try {
// Add a point
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Point(App.Vector(%f,%f,0)))",
Obj->getNameInDocument(), PoH.x,PoH.y);
int GeoIdPoint = Obj->getHighestCurveIndex();
// Point on first object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId1); // constrain major axis
// Point on second object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId2); // constrain major axis
// tangent via point
Gui::Command::doCommand(
Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('TangentViaPoint',%d,%d,%d,%d))",
Obj->getNameInDocument(), geoId1, geoId2 ,GeoIdPoint, Sketcher::start);
}
catch (const Base::Exception& e) {
Base::Console().Error("%s\n", e.what());
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // toggling does not modify the DoF of the solver, however it may affect features depending on the sketch
Gui::Command::updateActive();
return;
}
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
}
/// Makes a simple tangency constraint using extra point + tangent via point
/// geom1 => an arc of parabola
/// geom2 => any of an arc of parabola, an arc of hyperbola an arc of ellipse, a circle, or an arc (of circle)
/// NOTE: A command must be opened before calling this function, which this function
/// commits or aborts as appropriate. The reason is for compatibility reasons with
/// other code e.g. "Autoconstraints" in DrawSketchHandler.cpp
void SketcherGui::makeTangentToArcOfParabolaviaNewPoint(const Sketcher::SketchObject* Obj,
const Part::Geometry *geom1,
const Part::Geometry *geom2,
int geoId1,
int geoId2
)
{
const Part::GeomArcOfParabola *aop = static_cast<const Part::GeomArcOfParabola *>(geom1);
//Base::Vector3d center=aop->getCenter();
//Base::Vector3d dirx = aop->getXAxisDir();
//double phi=atan2(dirx.y, dirx.x);
//double df = aop->getFocal();
Base::Vector3d focus = aop->getFocus();
Base::Vector3d center2;
if( geom2->getTypeId() == Part::GeomArcOfParabola::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfParabola *>(geom2))->getFocus();
else if( geom2->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()){
const Part::GeomArcOfHyperbola *aoh2 = static_cast<const Part::GeomArcOfHyperbola *>(geom2);
Base::Vector3d dirmaj2 = aoh2->getMajorAxisDir();
double majord2 = aoh2->getMajorRadius();
double minord2 = aoh2->getMinorRadius();
double df2 = sqrt(majord2*majord2+minord2*minord2);
center2 = aoh2->getCenter()+df2*dirmaj2; // positive focus
}
else if( geom2->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomEllipse::getClassTypeId())
center2= (static_cast<const Part::GeomEllipse *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomCircle::getClassTypeId())
center2= (static_cast<const Part::GeomCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomArcOfCircle::getClassTypeId())
center2= (static_cast<const Part::GeomArcOfCircle *>(geom2))->getCenter();
else if( geom2->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
const Part::GeomLineSegment *l2 = static_cast<const Part::GeomLineSegment *>(geom2);
center2= (l2->getStartPoint() + l2->getEndPoint())/2;
}
Base::Vector3d direction = center2-focus;
/*double angle = atan2(direction.y,direction.x)-phi;
double tapprox = 4*df*tan(angle);*/
Base::Vector3d PoP = focus + direction / 2;
/*Base::Vector3d(center.x + tapprox * tapprox / 4 / df * cos(phi) - tapprox * sin(phi),
center.y + tapprox * tapprox / 4 / df * sin(phi) + tapprox * cos(phi), 0);*/
try {
// Add a point
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addGeometry(Part.Point(App.Vector(%f,%f,0)))",
Obj->getNameInDocument(), PoP.x,PoP.y);
int GeoIdPoint = Obj->getHighestCurveIndex();
// Point on first object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId1); // constrain major axis
// Point on second object
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%d,%d,%d)) ",
Obj->getNameInDocument(),GeoIdPoint,Sketcher::start,geoId2); // constrain major axis
// tangent via point
Gui::Command::doCommand(
Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('TangentViaPoint',%d,%d,%d,%d))",
Obj->getNameInDocument(), geoId1, geoId2 ,GeoIdPoint, Sketcher::start);
}
catch (const Base::Exception& e) {
Base::Console().Error("%s\n", e.what());
Gui::Command::abortCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute) // toggling does not modify the DoF of the solver, however it may affect features depending on the sketch
Gui::Command::updateActive();
return;
}
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
}
namespace SketcherGui {
struct SelIdPair{
int GeoId;
Sketcher::PointPos PosId;
};
struct SketchSelection{
enum GeoType {
Point,
Line,
Circle,
Arc
};
int setUp(void);
struct SketchSelectionItem {
GeoType type;
int GeoId;
bool Extern;
};
std::list<SketchSelectionItem> Items;
QString ErrorMsg;
};
int SketchSelection::setUp(void)
{
std::vector<Gui::SelectionObject> selection = Gui::Selection().getSelectionEx();
Sketcher::SketchObject *SketchObj=0;
std::vector<std::string> SketchSubNames;
std::vector<std::string> SupportSubNames;
// only one sketch with its subelements are allowed to be selected
if (selection.size() == 1) {
// if one selectetd, only sketch allowed. should be done by activity of command
if(!selection[0].getObject()->getTypeId().isDerivedFrom(Sketcher::SketchObject::getClassTypeId()))
{
ErrorMsg = QObject::tr("Only sketch and its support is allowed to select");
return -1;
}
SketchObj = static_cast<Sketcher::SketchObject*>(selection[0].getObject());
SketchSubNames = selection[0].getSubNames();
} else if(selection.size() == 2) {
if(selection[0].getObject()->getTypeId().isDerivedFrom(Sketcher::SketchObject::getClassTypeId())){
SketchObj = static_cast<Sketcher::SketchObject*>(selection[0].getObject());
// check if the none sketch object is the support of the sketch
if(selection[1].getObject() != SketchObj->Support.getValue()){
ErrorMsg = QObject::tr("Only sketch and its support is allowed to select");
return-1;
}
// assume always a Part::Feature derived object as support
assert(selection[1].getObject()->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()));
SketchSubNames = selection[0].getSubNames();
SupportSubNames = selection[1].getSubNames();
} else if (selection[1].getObject()->getTypeId().isDerivedFrom(Sketcher::SketchObject::getClassTypeId())) {
SketchObj = static_cast<Sketcher::SketchObject*>(selection[1].getObject());
// check if the none sketch object is the support of the sketch
if(selection[0].getObject() != SketchObj->Support.getValue()){
ErrorMsg = QObject::tr("Only sketch and its support is allowed to select");
return -1;
}
// assume always a Part::Feature derived object as support
assert(selection[0].getObject()->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()));
SketchSubNames = selection[1].getSubNames();
SupportSubNames = selection[0].getSubNames();
} else {
ErrorMsg = QObject::tr("One of the selected has to be on the sketch");
return -1;
}
}
return Items.size();
}
} // namespace SketcherGui
/* Constrain commands =======================================================*/
namespace SketcherGui {
/**
* @brief The SelType enum
* Types of sketch elements that can be (pre)selected. The root/origin and the
* axes are put up separately so that they can be specifically disallowed, for
* example, when in lock, horizontal, or vertical constraint modes.
*/
enum SelType {
SelVertex = 1,
SelRoot = 2,
SelEdge = 4,
SelHAxis = 8,
SelVAxis = 16,
SelExternalEdge = 32
};
/**
* @brief The GenericConstraintSelection class
* SelectionFilterGate with changeable filters. In a constraint creation mode
* like point on object, if the first selection object can be a point, the next
* has to be a curve for the constraint to make sense. Thus filters are
* changeable so taht same filter can be kept on while in one mode.
*/
class GenericConstraintSelection : public Gui::SelectionFilterGate
{
App::DocumentObject* object;
public:
GenericConstraintSelection(App::DocumentObject* obj)
: Gui::SelectionFilterGate((Gui::SelectionFilter*)0), object(obj)
{}
bool allow(App::Document *, App::DocumentObject *pObj, const char *sSubName)
{
if (pObj != this->object)
return false;
if (!sSubName || sSubName[0] == '\0')
return false;
std::string element(sSubName);
if ( (allowedSelTypes & SketcherGui::SelRoot && element.substr(0,9) == "RootPoint") ||
(allowedSelTypes & SketcherGui::SelVertex && element.substr(0,6) == "Vertex") ||
(allowedSelTypes & SketcherGui::SelEdge && element.substr(0,4) == "Edge") ||
(allowedSelTypes & SketcherGui::SelHAxis && element.substr(0,6) == "H_Axis") ||
(allowedSelTypes & SketcherGui::SelVAxis && element.substr(0,6) == "H_Axis") ||
(allowedSelTypes & SketcherGui::SelExternalEdge && element.substr(0,12) == "ExternalEdge"))
return true;
return false;
}
void setAllowedSelTypes(int types) {
if (0 < types && types < 64) this->allowedSelTypes = types;
}
protected:
int allowedSelTypes;
};
}
class DrawSketchHandlerGenConstraint: public DrawSketchHandler
{
public:
DrawSketchHandlerGenConstraint(const char* cursor[]) : constraintCursor(cursor) {}
virtual ~DrawSketchHandlerGenConstraint()
{
Gui::Selection().rmvSelectionGate();
}
virtual void activated(ViewProviderSketch *)
{
Gui::Selection().rmvSelectionGate();
GenericConstraintSelection* selFilterGate = new GenericConstraintSelection(sketchgui->getObject());
selFilterGate->setAllowedSelTypes(SelEdge);
Gui::Selection().addSelectionGate(selFilterGate);
setCursor(QPixmap(constraintCursor), 7, 7);
}
virtual void mouseMove(Base::Vector2d onSketchPos) {Q_UNUSED(onSketchPos);}
virtual bool pressButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
return false;
}
virtual bool releaseButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
Sketcher::SketchObject* Obj = static_cast<Sketcher::SketchObject*>(sketchgui->getObject());
const std::vector< Sketcher::Constraint * > &vals = Obj->Constraints.getValues();
int CrvId = sketchgui->getPreselectCurve();
if (CrvId != -1) {
const Part::Geometry *geo = Obj->getGeometry(CrvId);
if (geo->getTypeId() != Part::GeomLineSegment::getClassTypeId()) {
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Impossible constraint"),
QObject::tr("The selected edge is not a line segment"));
return false;
}
// check if the edge has already a Horizontal or Vertical constraint
for (std::vector< Sketcher::Constraint * >::const_iterator it= vals.begin();
it != vals.end(); ++it) {
if ((*it)->Type == Sketcher::Horizontal && (*it)->First == CrvId){
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Double constraint"),
QObject::tr("The selected edge has already a horizontal constraint!"));
return false;
}
if ((*it)->Type == Sketcher::Vertical && (*it)->First == CrvId) {
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Impossible constraint"),
QObject::tr("The selected edge has already a vertical constraint!"));
return false;
}
}
// undo command open
Gui::Command::openCommand("add horizontal constraint");
// issue the actual commands to create the constraint
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Horizontal',%d)) ",
sketchgui->getObject()->getNameInDocument(),CrvId);
// finish the transaction and update
Gui::Command::commitCommand();
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher");
bool autoRecompute = hGrp->GetBool("AutoRecompute",false);
if(autoRecompute)
Gui::Command::updateActive();
}
return false;
}
protected:
const char** constraintCursor;
};
/**
* @brief The CmdSketcherConstraint class
* Superclass for all sketcher constraints to ease generation of constraint
* creation modes.
*/
class CmdSketcherConstraint : public Gui::Command
{
public:
CmdSketcherConstraint(const char* name)
: Command(name) {}
virtual ~CmdSketcherConstraint(){}
virtual const char* className() const
{ return "CmdSketcherConstraint"; }
protected:
virtual void applyConstraint() {}
virtual void activated(int /*iMsg*/) {}
virtual bool isActive(void)
{ return isCreateGeoActive(getActiveGuiDocument()); }
};
// ======================================================================================
/* XPM */
static const char *cursor_createhoriconstraint[]={
"32 32 3 1",
"+ c white",
"# c red",
". c None",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"................................",
"+++++...+++++...................",
"................................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+.........................",
"......+......#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............############.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
".............#..........#.......",
"................................",
"................................",
"................................",
"................................",
"................................",
"................................",
"................................"};
class DrawSketchHandlerHoriConstraint: public DrawSketchHandler
{
public:
DrawSketchHandlerHoriConstraint() {}
virtual ~DrawSketchHandlerHoriConstraint()
{
Gui::Selection().rmvSelectionGate();
}
virtual void activated(ViewProviderSketch *)
{
Gui::Selection().rmvSelectionGate();
GenericConstraintSelection* selFilterGate = new GenericConstraintSelection(sketchgui->getObject());
selFilterGate->setAllowedSelTypes(SelEdge);
Gui::Selection().addSelectionGate(selFilterGate);
setCursor(QPixmap(cursor_createhoriconstraint), 7, 7);
}
virtual void mouseMove(Base::Vector2d onSketchPos) {Q_UNUSED(onSketchPos);}
virtual bool pressButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
return false;
}
virtual bool releaseButton(Base::Vector2d onSketchPos)
{
Q_UNUSED(onSketchPos);
Sketcher::SketchObject* Obj = static_cast<Sketcher::SketchObject*>(sketchgui->getObject());
const std::vector< Sketcher::Constraint * > &vals = Obj->Constraints.getValues();
int CrvId = sketchgui->getPreselectCurve();
if (CrvId != -1) {
const Part::Geometry *geo = Obj->getGeometry(CrvId);
if (geo->getTypeId() != Part::GeomLineSegment::getClassTypeId()) {
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Impossible constraint"),
QObject::tr("The selected edge is not a line segment"));
return false;
}
// check if the edge has already a Horizontal or Vertical constraint
for (std::vector< Sketcher::Constraint * >::const_iterator it= vals.begin();
it != vals.end(); ++it) {
if ((*it)->Type == Sketcher::Horizontal && (*it)->First == CrvId){
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Double constraint"),
QObject::tr("The selected edge has already a horizontal constraint!"));
return false;
}
if ((*it)->Type == Sketcher::Vertical && (*it)->First == CrvId) {
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Impossible constraint"),
QObject::tr("The selected edge has already a vertical constraint!"));
return false;
}
}
// undo command open