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1 | // Copyright (c) 2016-2019 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
14 | #include "AIS_ViewController.hxx" |
15 | |
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16 | #include <AIS_AnimationCamera.hxx> |
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17 | #include <AIS_InteractiveContext.hxx> |
18 | #include <AIS_Manipulator.hxx> |
19 | #include <AIS_Point.hxx> |
20 | #include <AIS_RubberBand.hxx> |
21 | #include <Aspect_Grid.hxx> |
22 | #include <Geom_CartesianPoint.hxx> |
23 | #include <Message.hxx> |
24 | #include <Message_Messenger.hxx> |
25 | #include <gp_Quaternion.hxx> |
26 | #include <V3d_View.hxx> |
27 | |
28 | // ======================================================================= |
29 | // function : AIS_ViewController |
30 | // purpose : |
31 | // ======================================================================= |
32 | AIS_ViewController::AIS_ViewController() |
33 | : myLastEventsTime (0.0), |
34 | myToAskNextFrame (false), |
35 | myMinCamDistance (1.0), |
36 | myRotationMode (AIS_RotationMode_BndBoxActive), |
37 | myNavigationMode (AIS_NavigationMode_Orbit), |
38 | myMouseAccel (1.0f), |
39 | myOrbitAccel (1.0f), |
40 | myToShowPanAnchorPoint (true), |
41 | myToShowRotateCenter (true), |
42 | myToLockOrbitZUp (false), |
43 | myToInvertPitch (false), |
44 | myToAllowTouchZRotation(false), |
45 | myToAllowRotation (true), |
46 | myToAllowPanning (true), |
47 | myToAllowZooming (true), |
48 | myToAllowZFocus (true), |
49 | myToAllowHighlight (true), |
50 | myToAllowDragging (true), |
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51 | myToStickToRayOnZoom (true), |
52 | myToStickToRayOnRotation (true), |
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53 | // |
54 | myWalkSpeedAbsolute (1.5f), |
55 | myWalkSpeedRelative (0.1f), |
56 | myThrustSpeed (0.0f), |
57 | myHasThrust (false), |
58 | // |
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59 | myViewAnimation (new AIS_AnimationCamera ("AIS_ViewController_ViewAnimation", Handle(V3d_View)())), |
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60 | myPrevMoveTo (-1, -1), |
61 | myHasHlrOnBeforeRotation (false), |
62 | // |
63 | myMouseClickThreshold (3.0), |
64 | myMouseDoubleClickInt (0.4), |
65 | myScrollZoomRatio (15.0f), |
66 | myMouseActiveGesture (AIS_MouseGesture_NONE), |
67 | myMouseActiveIdleRotation (false), |
68 | myMouseClickCounter (0), |
69 | myMousePressed (Aspect_VKeyMouse_NONE), |
70 | myMouseModifiers (Aspect_VKeyFlags_NONE), |
71 | myMouseSingleButton (-1), |
72 | // |
73 | myTouchToleranceScale (1.0f), |
74 | myTouchRotationThresholdPx (6.0f), |
75 | myTouchZRotationThreshold (float(2.0 * M_PI / 180.0)), |
76 | myTouchPanThresholdPx (4.0f), |
77 | myTouchZoomThresholdPx (6.0f), |
78 | myTouchZoomRatio (0.13f), |
79 | // |
80 | myNbTouchesLast (0), |
81 | myUpdateStartPointPan (true), |
82 | myUpdateStartPointRot (true), |
83 | myUpdateStartPointZRot (true), |
84 | // |
85 | myPanPnt3d (Precision::Infinite(), 0.0, 0.0) |
86 | { |
87 | myEventTimer.Start(); |
88 | |
89 | myAnchorPointPrs1 = new AIS_Point (new Geom_CartesianPoint (0.0, 0.0, 0.0)); |
90 | myAnchorPointPrs1->SetZLayer (Graphic3d_ZLayerId_Top); |
91 | myAnchorPointPrs1->SetMutable (true); |
92 | |
93 | myAnchorPointPrs2 = new AIS_Point (new Geom_CartesianPoint (0.0, 0.0, 0.0)); |
94 | myAnchorPointPrs2->SetZLayer (Graphic3d_ZLayerId_Topmost); |
95 | myAnchorPointPrs2->SetMutable (true); |
96 | |
97 | myRubberBand = new AIS_RubberBand (Quantity_NOC_LIGHTBLUE, Aspect_TOL_SOLID, Quantity_NOC_LIGHTBLUE, 0.4, 1.0); |
98 | myRubberBand->SetZLayer (Graphic3d_ZLayerId_TopOSD); |
99 | myRubberBand->SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_UPPER)); |
100 | myRubberBand->SetDisplayMode (0); |
101 | myRubberBand->SetMutable (true); |
102 | |
103 | myMouseGestureMap.Bind (Aspect_VKeyMouse_LeftButton, AIS_MouseGesture_RotateOrbit); |
104 | myMouseGestureMap.Bind (Aspect_VKeyMouse_LeftButton | Aspect_VKeyFlags_CTRL, AIS_MouseGesture_Zoom); |
105 | myMouseGestureMap.Bind (Aspect_VKeyMouse_LeftButton | Aspect_VKeyFlags_SHIFT, AIS_MouseGesture_Pan); |
106 | myMouseGestureMap.Bind (Aspect_VKeyMouse_LeftButton | Aspect_VKeyFlags_ALT, AIS_MouseGesture_SelectRectangle); |
107 | |
108 | myMouseGestureMap.Bind (Aspect_VKeyMouse_RightButton, AIS_MouseGesture_Zoom); |
109 | myMouseGestureMap.Bind (Aspect_VKeyMouse_RightButton | Aspect_VKeyFlags_CTRL, AIS_MouseGesture_RotateOrbit); |
110 | |
111 | myMouseGestureMap.Bind (Aspect_VKeyMouse_MiddleButton, AIS_MouseGesture_Pan); |
112 | myMouseGestureMap.Bind (Aspect_VKeyMouse_MiddleButton | Aspect_VKeyFlags_CTRL, AIS_MouseGesture_Pan); |
113 | } |
114 | |
115 | // ======================================================================= |
116 | // function : ResetViewInput |
117 | // purpose : |
118 | // ======================================================================= |
119 | void AIS_ViewController::ResetViewInput() |
120 | { |
121 | myKeys.Reset(); |
122 | myMousePressed = Aspect_VKeyMouse_NONE; |
123 | myMouseModifiers = Aspect_VKeyFlags_NONE; |
124 | myMouseSingleButton = -1; |
125 | myUI.Dragging.ToAbort = true; |
126 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
127 | myMouseClickTimer.Stop(); |
128 | myMouseClickCounter = 0; |
129 | } |
130 | |
131 | // ======================================================================= |
132 | // function : FlushViewEvents |
133 | // purpose : |
134 | // ======================================================================= |
135 | void AIS_ViewController::FlushViewEvents (const Handle(AIS_InteractiveContext)& theCtx, |
136 | const Handle(V3d_View)& theView, |
137 | Standard_Boolean theToHandle) |
138 | { |
139 | flushBuffers (theCtx, theView); |
140 | flushGestures(theCtx, theView); |
141 | if (theToHandle) |
142 | { |
143 | HandleViewEvents (theCtx, theView); |
144 | } |
145 | } |
146 | |
147 | // ======================================================================= |
148 | // function : flushBuffers |
149 | // purpose : |
150 | // ======================================================================= |
151 | void AIS_ViewController::flushBuffers (const Handle(AIS_InteractiveContext)& , |
152 | const Handle(V3d_View)& ) |
153 | { |
154 | myToAskNextFrame = false; |
155 | |
156 | myGL.IsNewGesture = myUI.IsNewGesture; |
157 | myUI.IsNewGesture = false; |
158 | |
159 | myGL.ZoomActions.Clear(); |
160 | myGL.ZoomActions.Append (myUI.ZoomActions); |
161 | myUI.ZoomActions.Clear(); |
162 | |
163 | myGL.Orientation.ToFitAll = myUI.Orientation.ToFitAll; |
164 | myUI.Orientation.ToFitAll = false; |
165 | if (myUI.Orientation.ToSetViewOrient) |
166 | { |
167 | myUI.Orientation.ToSetViewOrient = false; |
168 | myGL.Orientation.ToSetViewOrient = true; |
169 | myGL.Orientation.ViewOrient = myUI.Orientation.ViewOrient; |
170 | } |
171 | |
172 | if (myUI.MoveTo.ToHilight) |
173 | { |
174 | myUI.MoveTo.ToHilight = false; |
175 | myGL.MoveTo.ToHilight = true; |
176 | myGL.MoveTo.Point = myUI.MoveTo.Point; |
177 | } |
178 | |
179 | { |
180 | myGL.Selection.Tool = myUI.Selection.Tool; |
181 | myGL.Selection.IsXOR = myUI.Selection.IsXOR; |
182 | myGL.Selection.Points = myUI.Selection.Points; |
183 | myUI.Selection.IsXOR = false; |
184 | if (myUI.Selection.Tool == AIS_ViewSelectionTool_Picking) |
185 | { |
186 | myUI.Selection.Points.Clear(); |
187 | } |
188 | } |
189 | |
190 | if (myUI.Selection.ToApplyTool) |
191 | { |
192 | myGL.Selection.ToApplyTool = true; |
193 | myUI.Selection.ToApplyTool = false; |
194 | myUI.Selection.Points.Clear(); |
195 | } |
196 | |
197 | if (myUI.Panning.ToStart) |
198 | { |
199 | myUI.Panning.ToStart = false; |
200 | myGL.Panning.ToStart = true; |
201 | myGL.Panning.PointStart = myUI.Panning.PointStart; |
202 | } |
203 | |
204 | if (myUI.Panning.ToPan) |
205 | { |
206 | myUI.Panning.ToPan = false; |
207 | myGL.Panning.ToPan = true; |
208 | myGL.Panning.Delta = myUI.Panning.Delta; |
209 | } |
210 | |
211 | if (myUI.Dragging.ToAbort) |
212 | { |
213 | myUI.Dragging.ToAbort = false; |
214 | myGL.Dragging.ToAbort = true; |
215 | } |
216 | else if (myUI.Dragging.ToStop) |
217 | { |
218 | myUI.Dragging.ToStop = false; |
219 | myGL.Dragging.ToStop = true; |
220 | } |
221 | else if (myUI.Dragging.ToStart) |
222 | { |
223 | myUI.Dragging.ToStart = false; |
224 | myGL.Dragging.ToStart = true; |
225 | myGL.Dragging.PointStart = myUI.Dragging.PointStart; |
226 | } |
227 | myGL.Dragging.PointTo = myUI.Dragging.PointTo; |
228 | |
229 | if (myUI.OrbitRotation.ToStart) |
230 | { |
231 | myUI.OrbitRotation.ToStart = false; |
232 | myGL.OrbitRotation.ToStart = true; |
233 | myGL.OrbitRotation.PointStart = myUI.OrbitRotation.PointStart; |
234 | } |
235 | |
236 | if (myUI.OrbitRotation.ToRotate) |
237 | { |
238 | myUI.OrbitRotation.ToRotate = false; |
239 | myGL.OrbitRotation.ToRotate = true; |
240 | myGL.OrbitRotation.PointTo = myUI.OrbitRotation.PointTo; |
241 | } |
242 | |
243 | if (myUI.ViewRotation.ToStart) |
244 | { |
245 | myUI.ViewRotation.ToStart = false; |
246 | myGL.ViewRotation.ToStart = true; |
247 | myGL.ViewRotation.PointStart = myUI.ViewRotation.PointStart; |
248 | } |
249 | |
250 | if (myUI.ViewRotation.ToRotate) |
251 | { |
252 | myUI.ViewRotation.ToRotate = false; |
253 | myGL.ViewRotation.ToRotate = true; |
254 | myGL.ViewRotation.PointTo = myUI.ViewRotation.PointTo; |
255 | } |
256 | |
257 | if (myUI.ZRotate.ToRotate) |
258 | { |
259 | myGL.ZRotate = myUI.ZRotate; |
260 | myUI.ZRotate.ToRotate = false; |
261 | } |
262 | } |
263 | |
264 | // ======================================================================= |
265 | // function : flushGestures |
266 | // purpose : |
267 | // ======================================================================= |
268 | void AIS_ViewController::flushGestures (const Handle(AIS_InteractiveContext)& , |
269 | const Handle(V3d_View)& theView) |
270 | { |
271 | const Standard_Real aTolScale = myTouchToleranceScale; |
272 | const Standard_Integer aTouchNb = myTouchPoints.Extent(); |
273 | if (myNbTouchesLast != aTouchNb) |
274 | { |
275 | myNbTouchesLast = aTouchNb; |
276 | myGL.IsNewGesture = true; |
277 | } |
278 | if (aTouchNb == 1) // touch |
279 | { |
280 | Aspect_Touch& aTouch = myTouchPoints.ChangeFromIndex (1); |
281 | if (myUpdateStartPointRot) |
282 | { |
283 | // skip rotation if have active dragged object |
284 | if (myNavigationMode == AIS_NavigationMode_Orbit) |
285 | { |
286 | myGL.OrbitRotation.ToStart = true; |
287 | myGL.OrbitRotation.PointStart = myStartRotCoord; |
288 | } |
289 | else |
290 | { |
291 | myGL.ViewRotation.ToStart = true; |
292 | myGL.ViewRotation.PointStart = myStartRotCoord; |
293 | } |
294 | |
295 | myUpdateStartPointRot = false; |
296 | theView->Invalidate(); |
297 | } |
298 | |
299 | // rotation |
300 | const Standard_Real aRotTouchTol = !aTouch.IsPreciseDevice |
301 | ? aTolScale * myTouchRotationThresholdPx |
302 | : gp::Resolution(); |
303 | if (Abs (aTouch.Delta().x()) + Abs(aTouch.Delta().y()) > aRotTouchTol) |
304 | { |
305 | const Standard_Real aRotAccel = myNavigationMode == AIS_NavigationMode_FirstPersonWalk ? myMouseAccel : myOrbitAccel; |
306 | if (myNavigationMode == AIS_NavigationMode_Orbit) |
307 | { |
308 | const Graphic3d_Vec2d aRotDelta = aTouch.To - myGL.OrbitRotation.PointStart; |
309 | myGL.OrbitRotation.ToRotate = true; |
310 | myGL.OrbitRotation.PointTo = myGL.OrbitRotation.PointStart + aRotDelta * aRotAccel; |
311 | myGL.Dragging.PointTo.SetValues ((int )aTouch.To.x(), (int )aTouch.To.y()); |
312 | } |
313 | else |
314 | { |
315 | const Graphic3d_Vec2d aRotDelta = aTouch.To - myGL.ViewRotation.PointStart; |
316 | myGL.ViewRotation.ToRotate = true; |
317 | myGL.ViewRotation.PointTo = myGL.ViewRotation.PointStart + aRotDelta * aRotAccel; |
318 | myGL.Dragging.PointTo.SetValues ((int )aTouch.To.x(), (int )aTouch.To.y()); |
319 | } |
320 | |
321 | aTouch.From = aTouch.To; |
322 | } |
323 | } |
324 | else if (aTouchNb == 2) // pinch |
325 | { |
326 | Aspect_Touch& aFirstTouch = myTouchPoints.ChangeFromIndex (1); |
327 | Aspect_Touch& aLastTouch = myTouchPoints.ChangeFromIndex (2); |
328 | const Graphic3d_Vec2d aFrom[2] = { aFirstTouch.From, aLastTouch.From }; |
329 | const Graphic3d_Vec2d aTo[2] = { aFirstTouch.To, aLastTouch.To }; |
330 | |
331 | Graphic3d_Vec2d aPinchCenterStart ((aFrom[0].x() + aFrom[1].x()) / 2.0, |
332 | (aFrom[0].y() + aFrom[1].y()) / 2.0); |
333 | |
334 | Standard_Real aPinchCenterXEnd = (aTo[0].x() + aTo[1].x()) / 2.0; |
335 | Standard_Real aPinchCenterYEnd = (aTo[0].y() + aTo[1].y()) / 2.0; |
336 | |
337 | Standard_Real aPinchCenterXDev = aPinchCenterXEnd - aPinchCenterStart.x(); |
338 | Standard_Real aPinchCenterYDev = aPinchCenterYEnd - aPinchCenterStart.y(); |
339 | |
340 | Standard_Real aStartSize = (aFrom[0] - aFrom[1]).Modulus(); |
341 | Standard_Real anEndSize = ( aTo[0] - aTo[1]).Modulus(); |
342 | |
343 | Standard_Real aDeltaSize = anEndSize - aStartSize; |
344 | |
345 | bool anIsClearDev = false; |
346 | |
347 | if (myToAllowTouchZRotation) |
348 | { |
349 | Standard_Real A1 = aFrom[0].y() - aFrom[1].y(); |
350 | Standard_Real B1 = aFrom[1].x() - aFrom[0].x(); |
351 | |
352 | Standard_Real A2 = aTo[0].y() - aTo[1].y(); |
353 | Standard_Real B2 = aTo[1].x() - aTo[0].x(); |
354 | |
355 | Standard_Real aRotAngle = 0.0; |
356 | |
357 | Standard_Real aDenomenator = A1*A2 + B1*B2; |
358 | if (aDenomenator <= Precision::Confusion()) |
359 | { |
360 | aRotAngle = 0.0; |
361 | } |
362 | else |
363 | { |
364 | Standard_Real aNumerator = A1*B2 - A2*B1; |
365 | aRotAngle = ATan (aNumerator / aDenomenator); |
366 | } |
367 | |
368 | if (Abs(aRotAngle) > Standard_Real(myTouchZRotationThreshold)) |
369 | { |
370 | myGL.ZRotate.ToRotate = true; |
371 | myGL.ZRotate.Angle = aRotAngle; |
372 | anIsClearDev = true; |
373 | } |
374 | } |
375 | |
376 | if (Abs(aDeltaSize) > aTolScale * myTouchZoomThresholdPx) |
377 | { |
378 | // zoom |
379 | aDeltaSize *= Standard_Real(myTouchZoomRatio); |
380 | Aspect_ScrollDelta aParams (Graphic3d_Vec2i (aPinchCenterStart), aDeltaSize); |
381 | myGL.ZoomActions.Append (aParams); |
382 | anIsClearDev = true; |
383 | } |
384 | |
385 | const Standard_Real aPanTouchTol = !aFirstTouch.IsPreciseDevice |
386 | ? aTolScale * myTouchPanThresholdPx |
387 | : gp::Resolution(); |
388 | if (Abs(aPinchCenterXDev) + Abs(aPinchCenterYDev) > aPanTouchTol) |
389 | { |
390 | // pan |
391 | if (myUpdateStartPointPan) |
392 | { |
393 | myGL.Panning.ToStart = true; |
394 | myGL.Panning.PointStart = Graphic3d_Vec2i (myStartPanCoord); |
395 | myUpdateStartPointPan = false; |
396 | theView->Invalidate(); |
397 | } |
398 | |
399 | myGL.Panning.ToPan = true; |
400 | myGL.Panning.Delta.x() = int( aPinchCenterXDev); |
401 | myGL.Panning.Delta.y() = int(-aPinchCenterYDev); |
402 | anIsClearDev = true; |
403 | } |
404 | |
405 | if (anIsClearDev) |
406 | { |
407 | aFirstTouch.From = aFirstTouch.To; |
408 | aLastTouch .From = aLastTouch.To; |
409 | } |
410 | } |
411 | } |
412 | |
413 | // ======================================================================= |
414 | // function : UpdateViewOrientation |
415 | // purpose : |
416 | // ======================================================================= |
417 | void AIS_ViewController::UpdateViewOrientation (V3d_TypeOfOrientation theOrientation, |
418 | bool theToFitAll) |
419 | { |
420 | myUI.Orientation.ToFitAll = theToFitAll; |
421 | myUI.Orientation.ToSetViewOrient = true; |
422 | myUI.Orientation.ViewOrient = theOrientation; |
423 | } |
424 | |
425 | // ======================================================================= |
426 | // function : SelectInViewer |
427 | // purpose : |
428 | // ======================================================================= |
429 | void AIS_ViewController::SelectInViewer (const Graphic3d_Vec2i& thePnt, |
430 | const bool theIsXOR) |
431 | { |
432 | if (myUI.Selection.Tool != AIS_ViewSelectionTool_Picking) |
433 | { |
434 | myUI.Selection.Tool = AIS_ViewSelectionTool_Picking; |
435 | myUI.Selection.Points.Clear(); |
436 | } |
437 | |
438 | myUI.Selection.IsXOR = theIsXOR; |
439 | myUI.Selection.Points.Append (thePnt); |
440 | } |
441 | |
442 | // ======================================================================= |
443 | // function : SelectInViewer |
444 | // purpose : |
445 | // ======================================================================= |
446 | void AIS_ViewController::SelectInViewer (const NCollection_Sequence<Graphic3d_Vec2i>& thePnts, |
447 | const bool theIsXOR) |
448 | { |
449 | myUI.Selection.IsXOR = theIsXOR; |
450 | myUI.Selection.Points = thePnts; |
451 | myUI.Selection.ToApplyTool = true; |
452 | if (thePnts.Length() == 1) |
453 | { |
454 | myUI.Selection.Tool = AIS_ViewSelectionTool_Picking; |
455 | } |
456 | else if (thePnts.Length() == 2) |
457 | { |
458 | myUI.Selection.Tool = AIS_ViewSelectionTool_RubberBand; |
459 | } |
460 | else |
461 | { |
462 | myUI.Selection.Tool = AIS_ViewSelectionTool_Polygon; |
463 | } |
464 | } |
465 | |
466 | // ======================================================================= |
467 | // function : UpdateRubberBand |
468 | // purpose : |
469 | // ======================================================================= |
470 | void AIS_ViewController::UpdateRubberBand (const Graphic3d_Vec2i& thePntFrom, |
471 | const Graphic3d_Vec2i& thePntTo, |
472 | const bool theIsXOR) |
473 | { |
474 | myUI.Selection.Tool = AIS_ViewSelectionTool_RubberBand; |
475 | myUI.Selection.IsXOR = theIsXOR; |
476 | myUI.Selection.Points.Clear(); |
477 | myUI.Selection.Points.Append (thePntFrom); |
478 | myUI.Selection.Points.Append (thePntTo); |
479 | } |
480 | |
481 | // ======================================================================= |
482 | // function : UpdatePolySelection |
483 | // purpose : |
484 | // ======================================================================= |
485 | void AIS_ViewController::UpdatePolySelection (const Graphic3d_Vec2i& thePnt, |
486 | bool theToAppend) |
487 | { |
488 | if (myUI.Selection.Tool != AIS_ViewSelectionTool_Polygon) |
489 | { |
490 | myUI.Selection.Tool = AIS_ViewSelectionTool_Polygon; |
491 | myUI.Selection.Points.Clear(); |
492 | } |
493 | |
494 | if (myUI.Selection.Points.IsEmpty()) |
495 | { |
496 | myUI.Selection.Points.Append (thePnt); |
497 | } |
498 | else if (theToAppend |
499 | && myUI.Selection.Points.Last() != thePnt) |
500 | { |
501 | myUI.Selection.Points.Append (thePnt); |
502 | } |
503 | else |
504 | { |
505 | myUI.Selection.Points.ChangeLast() = thePnt; |
506 | } |
507 | } |
508 | |
509 | // ======================================================================= |
510 | // function : UpdateZoom |
511 | // purpose : |
512 | // ======================================================================= |
513 | bool AIS_ViewController::UpdateZoom (const Aspect_ScrollDelta& theDelta) |
514 | { |
515 | if (!myUI.ZoomActions.IsEmpty()) |
516 | { |
517 | if (myUI.ZoomActions.ChangeLast().Point == theDelta.Point) |
518 | { |
519 | myUI.ZoomActions.ChangeLast().Delta += theDelta.Delta; |
520 | return false; |
521 | } |
522 | } |
523 | |
524 | myUI.ZoomActions.Append (theDelta); |
525 | return true; |
526 | } |
527 | |
528 | // ======================================================================= |
529 | // function : UpdateZRotation |
530 | // purpose : |
531 | // ======================================================================= |
532 | bool AIS_ViewController::UpdateZRotation (double theAngle) |
533 | { |
534 | if (!ToAllowTouchZRotation()) |
535 | { |
536 | return false; |
537 | } |
538 | |
539 | myUI.ZRotate.Angle = myUI.ZRotate.ToRotate |
540 | ? myUI.ZRotate.Angle + theAngle |
541 | : theAngle; |
542 | if (myUI.ZRotate.ToRotate) |
543 | { |
544 | return false; |
545 | } |
546 | myUI.ZRotate.ToRotate = true; |
547 | return true; |
548 | } |
549 | |
550 | // ======================================================================= |
551 | // function : UpdateMouseScroll |
552 | // purpose : |
553 | // ======================================================================= |
554 | bool AIS_ViewController::UpdateMouseScroll (const Aspect_ScrollDelta& theDelta) |
555 | { |
556 | Aspect_ScrollDelta aDelta = theDelta; |
557 | aDelta.Delta *= myScrollZoomRatio; |
558 | return UpdateZoom (aDelta); |
559 | } |
560 | |
561 | // ======================================================================= |
562 | // function : UpdateMouseClick |
563 | // purpose : |
564 | // ======================================================================= |
565 | bool AIS_ViewController::UpdateMouseClick (const Graphic3d_Vec2i& thePoint, |
566 | Aspect_VKeyMouse theButton, |
567 | Aspect_VKeyFlags theModifiers, |
568 | bool theIsDoubleClick) |
569 | { |
570 | (void )theIsDoubleClick; |
571 | if (theButton == Aspect_VKeyMouse_LeftButton) |
572 | { |
573 | SelectInViewer (thePoint, (theModifiers & Aspect_VKeyFlags_SHIFT) != 0); |
574 | return true; |
575 | } |
576 | return false; |
577 | } |
578 | |
579 | // ======================================================================= |
580 | // function : UpdateMouseButtons |
581 | // purpose : |
582 | // ======================================================================= |
583 | bool AIS_ViewController::UpdateMouseButtons (const Graphic3d_Vec2i& thePoint, |
584 | Aspect_VKeyMouse theButtons, |
585 | Aspect_VKeyFlags theModifiers, |
586 | bool theIsEmulated) |
587 | { |
588 | bool toUpdateView = false; |
589 | const double aTolClick = (theIsEmulated ? myTouchToleranceScale : 1.0) * myMouseClickThreshold; |
590 | if (theButtons == Aspect_VKeyMouse_NONE |
591 | && myMouseSingleButton > 0) |
592 | { |
593 | const Graphic3d_Vec2i aDelta = thePoint - myMousePressPoint; |
594 | if (double(aDelta.cwiseAbs().maxComp()) < aTolClick) |
595 | { |
596 | ++myMouseClickCounter; |
597 | const bool isDoubleClick = myMouseClickCounter == 2 |
598 | && myMouseClickTimer.IsStarted() |
599 | && myMouseClickTimer.ElapsedTime() <= myMouseDoubleClickInt; |
600 | |
601 | myMouseClickTimer.Stop(); |
602 | myMouseClickTimer.Reset(); |
603 | myMouseClickTimer.Start(); |
604 | if (isDoubleClick) |
605 | { |
606 | myMouseClickCounter = 0; |
607 | } |
608 | toUpdateView = UpdateMouseClick (thePoint, (Aspect_VKeyMouse )myMouseSingleButton, theModifiers, isDoubleClick) || toUpdateView; |
609 | } |
610 | else |
611 | { |
612 | myMouseClickTimer.Stop(); |
613 | myMouseClickCounter = 0; |
614 | myUI.Dragging.ToStop = true; |
615 | toUpdateView = true; |
616 | } |
617 | myMouseSingleButton = -1; |
618 | } |
619 | else if (theButtons == Aspect_VKeyMouse_NONE) |
620 | { |
621 | myMouseSingleButton = -1; |
622 | } |
623 | else if (myMouseSingleButton == -1) |
624 | { |
625 | if ((theButtons & Aspect_VKeyMouse_LeftButton) == Aspect_VKeyMouse_LeftButton) |
626 | { |
627 | myMouseSingleButton = Aspect_VKeyMouse_LeftButton; |
628 | } |
629 | else if ((theButtons & Aspect_VKeyMouse_RightButton) == Aspect_VKeyMouse_RightButton) |
630 | { |
631 | myMouseSingleButton = Aspect_VKeyMouse_RightButton; |
632 | } |
633 | else if ((theButtons & Aspect_VKeyMouse_MiddleButton) == Aspect_VKeyMouse_MiddleButton) |
634 | { |
635 | myMouseSingleButton = Aspect_VKeyMouse_MiddleButton; |
636 | } |
637 | else |
638 | { |
639 | myMouseSingleButton = 0; |
640 | } |
641 | if (myMouseSingleButton != 0) |
642 | { |
643 | if (myMouseClickCounter == 1) |
644 | { |
645 | const Graphic3d_Vec2i aDelta = thePoint - myMousePressPoint; |
646 | if (double(aDelta.cwiseAbs().maxComp()) >= aTolClick) |
647 | { |
648 | myMouseClickTimer.Stop(); |
649 | myMouseClickCounter = 0; |
650 | } |
651 | } |
652 | myMousePressPoint = thePoint; |
653 | } |
654 | } |
655 | else |
656 | { |
657 | myMouseSingleButton = 0; |
658 | |
659 | myUI.Dragging.ToAbort = true; |
660 | toUpdateView = true; |
661 | } |
662 | |
663 | const AIS_MouseGesture aPrevGesture = myMouseActiveGesture; |
664 | myMouseModifiers = theModifiers; |
665 | myMousePressed = theButtons; |
666 | if (theIsEmulated |
667 | || myNavigationMode != AIS_NavigationMode_FirstPersonWalk) |
668 | { |
669 | myMouseActiveIdleRotation = false; |
670 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
671 | if (theButtons != 0) |
672 | { |
673 | myMousePressPoint = thePoint; |
674 | myMouseProgressPoint = myMousePressPoint; |
675 | } |
676 | |
677 | if (myMouseGestureMap.Find (theButtons | theModifiers, myMouseActiveGesture)) |
678 | { |
679 | switch (myMouseActiveGesture) |
680 | { |
681 | case AIS_MouseGesture_RotateView: |
682 | case AIS_MouseGesture_RotateOrbit: |
683 | { |
684 | if (myToAllowRotation) |
685 | { |
686 | myUpdateStartPointRot = true; |
687 | } |
688 | else |
689 | { |
690 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
691 | } |
692 | break; |
693 | } |
694 | case AIS_MouseGesture_Pan: |
695 | { |
696 | if (myToAllowPanning) |
697 | { |
698 | myUpdateStartPointPan = true; |
699 | } |
700 | else |
701 | { |
702 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
703 | } |
704 | break; |
705 | } |
706 | case AIS_MouseGesture_Zoom: |
707 | { |
708 | if (!myToAllowZooming) |
709 | { |
710 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
711 | } |
712 | break; |
713 | } |
714 | case AIS_MouseGesture_SelectRectangle: |
715 | { |
716 | break; |
717 | } |
718 | case AIS_MouseGesture_SelectLasso: |
719 | { |
720 | UpdatePolySelection (thePoint, true); |
721 | break; |
722 | } |
723 | case AIS_MouseGesture_NONE: |
724 | { |
725 | break; |
726 | } |
727 | } |
728 | } |
729 | |
730 | if (theButtons == Aspect_VKeyMouse_LeftButton |
731 | && theModifiers == Aspect_VKeyFlags_NONE |
732 | && myToAllowDragging) |
733 | { |
734 | myUI.Dragging.ToStart = true; |
735 | myUI.Dragging.PointStart = thePoint; |
736 | } |
737 | } |
738 | |
739 | if (aPrevGesture != myMouseActiveGesture) |
740 | { |
741 | if (aPrevGesture == AIS_MouseGesture_SelectRectangle |
742 | || aPrevGesture == AIS_MouseGesture_SelectLasso) |
743 | { |
744 | myUI.Selection.ToApplyTool = true; |
745 | } |
746 | |
747 | myUI.IsNewGesture = true; |
748 | toUpdateView = true; |
749 | } |
750 | return toUpdateView; |
751 | } |
752 | |
753 | // ======================================================================= |
754 | // function : UpdateMousePosition |
755 | // purpose : |
756 | // ======================================================================= |
757 | bool AIS_ViewController::UpdateMousePosition (const Graphic3d_Vec2i& thePoint, |
758 | Aspect_VKeyMouse theButtons, |
759 | Aspect_VKeyFlags theModifiers, |
760 | bool theIsEmulated) |
761 | { |
762 | myMousePositionLast = thePoint; |
763 | if (myMouseSingleButton > 0) |
764 | { |
765 | const double aTolClick = (theIsEmulated ? myTouchToleranceScale : 1.0) * myMouseClickThreshold; |
766 | const Graphic3d_Vec2i aPressDelta = thePoint - myMousePressPoint; |
767 | if (double(aPressDelta.cwiseAbs().maxComp()) >= aTolClick) |
768 | { |
769 | myMouseClickTimer.Stop(); |
770 | myMouseClickCounter = 0; |
771 | myMouseSingleButton = -1; |
772 | } |
773 | } |
774 | |
775 | bool toUpdateView = false; |
776 | Graphic3d_Vec2i aDelta = thePoint - myMouseProgressPoint; |
777 | if (!theIsEmulated |
778 | && myNavigationMode == AIS_NavigationMode_FirstPersonWalk) |
779 | { |
780 | if (!myMouseActiveIdleRotation |
781 | || myMouseActiveGesture != AIS_MouseGesture_RotateView) |
782 | { |
783 | myMouseActiveIdleRotation = true; |
784 | myMouseActiveGesture = AIS_MouseGesture_RotateView; |
785 | myMousePressPoint = thePoint; |
786 | myMouseProgressPoint = thePoint; |
787 | myUpdateStartPointRot = false; |
788 | myUI.ViewRotation.ToStart = true; |
789 | myUI.ViewRotation.PointStart.SetValues (thePoint.x(), thePoint.y()); |
790 | myUI.ViewRotation.ToRotate = false; |
791 | aDelta.SetValues (0, 0); |
792 | } |
793 | } |
794 | else |
795 | { |
796 | if (myMouseActiveIdleRotation |
797 | && myMouseActiveGesture == AIS_MouseGesture_RotateView) |
798 | { |
799 | myMouseActiveGesture = AIS_MouseGesture_NONE; |
800 | } |
801 | myMouseActiveIdleRotation = false; |
802 | } |
803 | |
804 | if (myMouseModifiers != theModifiers |
805 | && UpdateMouseButtons (thePoint, theButtons, theModifiers, theIsEmulated)) |
806 | { |
807 | toUpdateView = true; |
808 | } |
809 | |
810 | switch (myMouseActiveGesture) |
811 | { |
812 | case AIS_MouseGesture_SelectRectangle: |
813 | { |
814 | UpdateRubberBand (myMousePressPoint, thePoint); |
815 | toUpdateView = true; |
816 | break; |
817 | } |
818 | case AIS_MouseGesture_SelectLasso: |
819 | { |
820 | UpdatePolySelection (thePoint, true); |
821 | toUpdateView = true; |
822 | break; |
823 | } |
824 | case AIS_MouseGesture_RotateOrbit: |
825 | case AIS_MouseGesture_RotateView: |
826 | { |
827 | if (!myToAllowRotation) |
828 | { |
829 | break; |
830 | } |
831 | if (myUpdateStartPointRot) |
832 | { |
833 | if (myMouseActiveGesture == AIS_MouseGesture_RotateOrbit) |
834 | { |
835 | myUI.OrbitRotation.ToStart = true; |
836 | myUI.OrbitRotation.PointStart.SetValues (myMousePressPoint.x(), myMousePressPoint.y()); |
837 | } |
838 | else |
839 | { |
840 | myUI.ViewRotation.ToStart = true; |
841 | myUI.ViewRotation.PointStart.SetValues (myMousePressPoint.x(), myMousePressPoint.y()); |
842 | } |
843 | myUpdateStartPointRot = false; |
844 | } |
845 | |
846 | const double aRotTol = theIsEmulated |
847 | ? double(myTouchToleranceScale) * myTouchRotationThresholdPx |
848 | : 0.0; |
849 | if (double (Abs (aDelta.x()) + Abs (aDelta.y())) > aRotTol) |
850 | { |
851 | const double aRotAccel = myNavigationMode == AIS_NavigationMode_FirstPersonWalk ? myMouseAccel : myOrbitAccel; |
852 | const Graphic3d_Vec2i aRotDelta = thePoint - myMousePressPoint; |
853 | if (myMouseActiveGesture == AIS_MouseGesture_RotateOrbit) |
854 | { |
855 | myUI.OrbitRotation.ToRotate = true; |
856 | myUI.OrbitRotation.PointTo = Graphic3d_Vec2d (myMousePressPoint.x(), myMousePressPoint.y()) |
857 | + Graphic3d_Vec2d (aRotDelta.x(), aRotDelta.y()) * aRotAccel; |
858 | } |
859 | else |
860 | { |
861 | myUI.ViewRotation.ToRotate = true; |
862 | myUI.ViewRotation.PointTo = Graphic3d_Vec2d (myMousePressPoint.x(), myMousePressPoint.y()) |
863 | + Graphic3d_Vec2d (aRotDelta.x(), aRotDelta.y()) * aRotAccel; |
864 | } |
865 | myUI.Dragging.PointTo = thePoint; |
866 | |
867 | myMouseProgressPoint = thePoint; |
868 | toUpdateView = true; |
869 | } |
870 | break; |
871 | } |
872 | case AIS_MouseGesture_Zoom: |
873 | { |
874 | if (!myToAllowZooming) |
875 | { |
876 | break; |
877 | } |
878 | const double aZoomTol = theIsEmulated |
879 | ? double(myTouchToleranceScale) * myTouchZoomThresholdPx |
880 | : 0.0; |
881 | if (double (Abs (aDelta.x())) > aZoomTol) |
882 | { |
883 | if (UpdateZoom (Aspect_ScrollDelta (aDelta.x()))) |
884 | { |
885 | toUpdateView = true; |
886 | } |
887 | myMouseProgressPoint = thePoint; |
888 | } |
889 | break; |
890 | } |
891 | case AIS_MouseGesture_Pan: |
892 | { |
893 | if (!myToAllowPanning) |
894 | { |
895 | break; |
896 | } |
897 | const double aPanTol = theIsEmulated |
898 | ? double(myTouchToleranceScale) * myTouchPanThresholdPx |
899 | : 0.0; |
900 | if (double (Abs (aDelta.x()) + Abs (aDelta.y())) > aPanTol) |
901 | { |
902 | if (myUpdateStartPointPan) |
903 | { |
904 | myUI.Panning.ToStart = true; |
905 | myUI.Panning.PointStart.SetValues (myMousePressPoint.x(), myMousePressPoint.y()); |
906 | myUpdateStartPointPan = false; |
907 | } |
908 | |
909 | aDelta.y() = -aDelta.y(); |
910 | myMouseProgressPoint = thePoint; |
911 | if (myUI.Panning.ToPan) |
912 | { |
913 | myUI.Panning.Delta += aDelta; |
914 | } |
915 | else |
916 | { |
917 | myUI.Panning.ToPan = true; |
918 | myUI.Panning.Delta = aDelta; |
919 | } |
920 | toUpdateView = true; |
921 | } |
922 | break; |
923 | } |
924 | default: |
925 | { |
926 | break; |
927 | } |
928 | } |
929 | |
930 | if (theButtons == Aspect_VKeyMouse_NONE |
931 | && myNavigationMode != AIS_NavigationMode_FirstPersonWalk |
932 | && !theIsEmulated |
933 | && !HasTouchPoints() |
934 | && myToAllowHighlight) |
935 | { |
936 | myUI.MoveTo.ToHilight = true; |
937 | myUI.MoveTo.Point = thePoint; |
938 | toUpdateView = true; |
939 | } |
940 | return toUpdateView; |
941 | } |
942 | |
943 | // ======================================================================= |
944 | // function : AddTouchPoint |
945 | // purpose : |
946 | // ======================================================================= |
947 | void AIS_ViewController::AddTouchPoint (Standard_Size theId, |
948 | const Graphic3d_Vec2d& thePnt, |
949 | Standard_Boolean theClearBefore) |
950 | { |
951 | myUI.MoveTo.ToHilight = false; |
952 | if (theClearBefore) |
953 | { |
954 | RemoveTouchPoint ((Standard_Size )-1); |
955 | } |
956 | |
957 | myTouchPoints.Add (theId, Aspect_Touch (thePnt, false)); |
958 | if (myTouchPoints.Extent() == 1) |
959 | { |
960 | myUpdateStartPointRot = true; |
961 | myStartRotCoord = thePnt; |
962 | if (myToAllowDragging) |
963 | { |
964 | myUI.Dragging.ToStart = true; |
965 | myUI.Dragging.PointStart.SetValues ((int )thePnt.x(), (int )thePnt.y()); |
966 | } |
967 | } |
968 | else if (myTouchPoints.Extent() == 2) |
969 | { |
970 | myUI.Dragging.ToAbort = true; |
971 | |
972 | myUpdateStartPointPan = true; |
973 | myStartPanCoord = thePnt; |
974 | } |
975 | myUI.IsNewGesture = true; |
976 | } |
977 | |
978 | // ======================================================================= |
979 | // function : RemoveTouchPoint |
980 | // purpose : |
981 | // ======================================================================= |
982 | bool AIS_ViewController::RemoveTouchPoint (Standard_Size theId, |
983 | Standard_Boolean theClearSelectPnts) |
984 | { |
985 | if (theId == (Standard_Size )-1) |
986 | { |
987 | myTouchPoints.Clear (false); |
988 | } |
989 | else |
990 | { |
991 | const Standard_Integer anOldExtent = myTouchPoints.Extent(); |
992 | myTouchPoints.RemoveKey (theId); |
993 | if (myTouchPoints.Extent() == anOldExtent) |
994 | { |
995 | return false; |
996 | } |
997 | } |
998 | |
999 | if (myTouchPoints.Extent() == 1) |
1000 | { |
1001 | // avoid incorrect transition from pinch to one finger |
1002 | Aspect_Touch& aFirstTouch = myTouchPoints.ChangeFromIndex (1); |
1003 | aFirstTouch.To = aFirstTouch.From; |
1004 | |
1005 | myStartRotCoord = aFirstTouch.To; |
1006 | myUpdateStartPointRot = true; |
1007 | } |
1008 | else if (myTouchPoints.Extent() == 2) |
1009 | { |
1010 | myStartPanCoord = myTouchPoints.FindFromIndex (1).To; |
1011 | myUpdateStartPointPan = true; |
1012 | } |
1013 | else if (myTouchPoints.IsEmpty()) |
1014 | { |
1015 | if (theClearSelectPnts) |
1016 | { |
1017 | myUI.Selection.ToApplyTool = true; |
1018 | } |
1019 | |
1020 | myUI.Dragging.ToStop = true; |
1021 | } |
1022 | myUI.IsNewGesture = true; |
1023 | return true; |
1024 | } |
1025 | |
1026 | // ======================================================================= |
1027 | // function : UpdateTouchPoint |
1028 | // purpose : |
1029 | // ======================================================================= |
1030 | void AIS_ViewController::UpdateTouchPoint (Standard_Size theId, |
1031 | const Graphic3d_Vec2d& thePnt) |
1032 | { |
1033 | if (Aspect_Touch* aTouch = myTouchPoints.ChangeSeek (theId)) |
1034 | { |
1035 | aTouch->To = thePnt; |
1036 | } |
1037 | else |
1038 | { |
1039 | AddTouchPoint (theId, thePnt); |
1040 | } |
1041 | } |
1042 | |
1043 | // ======================================================================= |
1044 | // function : SetNavigationMode |
1045 | // purpose : |
1046 | // ======================================================================= |
1047 | void AIS_ViewController::SetNavigationMode (AIS_NavigationMode theMode) |
1048 | { |
1049 | myNavigationMode = theMode; |
1050 | |
1051 | // abort rotation |
1052 | myUI.OrbitRotation.ToStart = false; |
1053 | myUI.OrbitRotation.ToRotate = false; |
1054 | myUI.ViewRotation.ToStart = false; |
1055 | myUI.ViewRotation.ToRotate = false; |
1056 | } |
1057 | |
1058 | // ======================================================================= |
1059 | // function : KeyDown |
1060 | // purpose : |
1061 | // ======================================================================= |
1062 | void AIS_ViewController::KeyDown (Aspect_VKey theKey, |
1063 | double theTime, |
1064 | double thePressure) |
1065 | { |
1066 | myKeys.KeyDown (theKey, theTime, thePressure); |
1067 | } |
1068 | |
1069 | // ======================================================================= |
1070 | // function : KeyUp |
1071 | // purpose : |
1072 | // ======================================================================= |
1073 | void AIS_ViewController::KeyUp (Aspect_VKey theKey, |
1074 | double theTime) |
1075 | { |
1076 | myKeys.KeyUp (theKey, theTime); |
1077 | } |
1078 | |
1079 | // ======================================================================= |
1080 | // function : KeyFromAxis |
1081 | // purpose : |
1082 | // ======================================================================= |
1083 | void AIS_ViewController::KeyFromAxis (Aspect_VKey theNegative, |
1084 | Aspect_VKey thePositive, |
1085 | double theTime, |
1086 | double thePressure) |
1087 | { |
1088 | myKeys.KeyFromAxis (theNegative, thePositive, theTime, thePressure); |
1089 | } |
1090 | |
1091 | // ======================================================================= |
1092 | // function : FetchNavigationKeys |
1093 | // purpose : |
1094 | // ======================================================================= |
1095 | AIS_WalkDelta AIS_ViewController::FetchNavigationKeys (Standard_Real theCrouchRatio, |
1096 | Standard_Real theRunRatio) |
1097 | { |
1098 | AIS_WalkDelta aWalk; |
1099 | |
1100 | // navigation keys |
1101 | double aPrevEventTime = 0.0, aNewEventTime = 0.0; |
1102 | updateEventsTime (aPrevEventTime, aNewEventTime); |
1103 | |
1104 | double aDuration = 0.0, aPressure = 1.0; |
1105 | if (Abs (myThrustSpeed) > gp::Resolution()) |
1106 | { |
1107 | if (myHasThrust) |
1108 | { |
1109 | aWalk[AIS_WalkTranslation_Forward].Value = myThrustSpeed * (aNewEventTime - aPrevEventTime); |
1110 | } |
1111 | myHasThrust = true; |
1112 | myToAskNextFrame = true; |
1113 | } |
1114 | else |
1115 | { |
1116 | myHasThrust = false; |
1117 | } |
1118 | |
1119 | aWalk.SetRunning (theRunRatio > 1.0 |
1120 | && myKeys.IsKeyDown (Aspect_VKey_Shift)); |
1121 | if (myKeys.HoldDuration (Aspect_VKey_NavJump, aNewEventTime, aDuration)) |
1122 | { |
1123 | myKeys.KeyUp (Aspect_VKey_NavJump, aNewEventTime); |
1124 | aWalk.SetJumping (true); |
1125 | } |
1126 | if (!aWalk.IsJumping() |
1127 | && theCrouchRatio < 1.0 |
1128 | && myKeys.HoldDuration (Aspect_VKey_NavCrouch, aNewEventTime, aDuration)) |
1129 | { |
1130 | aWalk.SetRunning (false); |
1131 | aWalk.SetCrouching (true); |
1132 | } |
1133 | |
1134 | const double aMaxDuration = aNewEventTime - aPrevEventTime; |
1135 | const double aRunRatio = aWalk.IsRunning() |
1136 | ? theRunRatio |
1137 | : aWalk.IsCrouching() |
1138 | ? theCrouchRatio |
1139 | : 1.0; |
1140 | if (myKeys.HoldDuration (Aspect_VKey_NavForward, aNewEventTime, aDuration, aPressure)) |
1141 | { |
1142 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1143 | aProgress *= aRunRatio; |
1144 | aWalk[AIS_WalkTranslation_Forward].Value += aProgress; |
1145 | aWalk[AIS_WalkTranslation_Forward].Pressure = aPressure; |
1146 | aWalk[AIS_WalkTranslation_Forward].Duration = aDuration; |
1147 | } |
1148 | if (myKeys.HoldDuration (Aspect_VKey_NavBackward, aNewEventTime, aDuration, aPressure)) |
1149 | { |
1150 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1151 | aProgress *= aRunRatio; |
1152 | aWalk[AIS_WalkTranslation_Forward].Value += -aProgress; |
1153 | aWalk[AIS_WalkTranslation_Forward].Pressure = aPressure; |
1154 | aWalk[AIS_WalkTranslation_Forward].Duration = aDuration; |
1155 | } |
1156 | if (myKeys.HoldDuration (Aspect_VKey_NavSlideLeft, aNewEventTime, aDuration, aPressure)) |
1157 | { |
1158 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1159 | aProgress *= aRunRatio; |
1160 | aWalk[AIS_WalkTranslation_Side].Value = -aProgress; |
1161 | aWalk[AIS_WalkTranslation_Side].Pressure = aPressure; |
1162 | aWalk[AIS_WalkTranslation_Side].Duration = aDuration; |
1163 | } |
1164 | if (myKeys.HoldDuration (Aspect_VKey_NavSlideRight, aNewEventTime, aDuration, aPressure)) |
1165 | { |
1166 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1167 | aProgress *= aRunRatio; |
1168 | aWalk[AIS_WalkTranslation_Side].Value = aProgress; |
1169 | aWalk[AIS_WalkTranslation_Side].Pressure = aPressure; |
1170 | aWalk[AIS_WalkTranslation_Side].Duration = aDuration; |
1171 | } |
1172 | if (myKeys.HoldDuration (Aspect_VKey_NavLookLeft, aNewEventTime, aDuration, aPressure)) |
1173 | { |
1174 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1175 | aWalk[AIS_WalkRotation_Yaw].Value = aProgress; |
1176 | aWalk[AIS_WalkRotation_Yaw].Pressure = aPressure; |
1177 | aWalk[AIS_WalkRotation_Yaw].Duration = aDuration; |
1178 | } |
1179 | if (myKeys.HoldDuration (Aspect_VKey_NavLookRight, aNewEventTime, aDuration, aPressure)) |
1180 | { |
1181 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1182 | aWalk[AIS_WalkRotation_Yaw].Value = -aProgress; |
1183 | aWalk[AIS_WalkRotation_Yaw].Pressure = aPressure; |
1184 | aWalk[AIS_WalkRotation_Yaw].Duration = aDuration; |
1185 | } |
1186 | if (myKeys.HoldDuration (Aspect_VKey_NavLookUp, aNewEventTime, aDuration, aPressure)) |
1187 | { |
1188 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1189 | aWalk[AIS_WalkRotation_Pitch].Value = !myToInvertPitch ? -aProgress : aProgress; |
1190 | aWalk[AIS_WalkRotation_Pitch].Pressure = aPressure; |
1191 | aWalk[AIS_WalkRotation_Pitch].Duration = aDuration; |
1192 | } |
1193 | if (myKeys.HoldDuration (Aspect_VKey_NavLookDown, aNewEventTime, aDuration, aPressure)) |
1194 | { |
1195 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1196 | aWalk[AIS_WalkRotation_Pitch].Value = !myToInvertPitch ? aProgress : -aProgress; |
1197 | aWalk[AIS_WalkRotation_Pitch].Pressure = aPressure; |
1198 | aWalk[AIS_WalkRotation_Pitch].Duration = aDuration; |
1199 | } |
1200 | if (myKeys.HoldDuration (Aspect_VKey_NavRollCCW, aNewEventTime, aDuration, aPressure)) |
1201 | { |
1202 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1203 | aWalk[AIS_WalkRotation_Roll].Value = -aProgress; |
1204 | aWalk[AIS_WalkRotation_Roll].Pressure = aPressure; |
1205 | aWalk[AIS_WalkRotation_Roll].Duration = aDuration; |
1206 | } |
1207 | if (myKeys.HoldDuration (Aspect_VKey_NavRollCW, aNewEventTime, aDuration, aPressure)) |
1208 | { |
1209 | double aProgress = Abs (Min (aMaxDuration, aDuration)) * aPressure; |
1210 | aWalk[AIS_WalkRotation_Roll].Value = aProgress; |
1211 | aWalk[AIS_WalkRotation_Roll].Pressure = aPressure; |
1212 | aWalk[AIS_WalkRotation_Roll].Duration = aDuration; |
1213 | } |
1214 | if (myKeys.HoldDuration (Aspect_VKey_NavSlideUp, aNewEventTime, aDuration, aPressure)) |
1215 | { |
1216 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1217 | aWalk[AIS_WalkTranslation_Up].Value = aProgress; |
1218 | aWalk[AIS_WalkTranslation_Up].Pressure = aPressure; |
1219 | aWalk[AIS_WalkTranslation_Up].Duration = aDuration; |
1220 | } |
1221 | if (myKeys.HoldDuration (Aspect_VKey_NavSlideDown, aNewEventTime, aDuration, aPressure)) |
1222 | { |
1223 | double aProgress = Abs (Min (aMaxDuration, aDuration)); |
1224 | aWalk[AIS_WalkTranslation_Up].Value = -aProgress; |
1225 | aWalk[AIS_WalkTranslation_Up].Pressure = aPressure; |
1226 | aWalk[AIS_WalkTranslation_Up].Duration = aDuration; |
1227 | } |
1228 | return aWalk; |
1229 | } |
1230 | |
2108d9a2 |
1231 | // ======================================================================= |
1232 | // function : AbortViewAnimation |
1233 | // purpose : |
1234 | // ======================================================================= |
1235 | void AIS_ViewController::AbortViewAnimation() |
1236 | { |
1237 | if (!myViewAnimation.IsNull() |
1238 | && !myViewAnimation->IsStopped()) |
1239 | { |
1240 | myViewAnimation->Stop(); |
1241 | myViewAnimation->SetView (Handle(V3d_View)()); |
1242 | } |
1243 | } |
1244 | |
49582f9d |
1245 | // ======================================================================= |
1246 | // function : handlePanning |
1247 | // purpose : |
1248 | // ======================================================================= |
1249 | void AIS_ViewController::handlePanning (const Handle(V3d_View)& theView) |
1250 | { |
1251 | if (!myGL.Panning.ToPan |
1252 | || !myToAllowPanning) |
1253 | { |
1254 | return; |
1255 | } |
1256 | |
2108d9a2 |
1257 | AbortViewAnimation(); |
1258 | |
49582f9d |
1259 | const Handle(Graphic3d_Camera)& aCam = theView->Camera(); |
1260 | if (aCam->IsOrthographic() |
1261 | || !hasPanningAnchorPoint()) |
1262 | { |
1263 | theView->Pan (myGL.Panning.Delta.x(), myGL.Panning.Delta.y()); |
1264 | theView->Invalidate(); |
1265 | return; |
1266 | } |
1267 | |
1268 | Graphic3d_Vec2i aWinSize; |
1269 | theView->Window()->Size (aWinSize.x(), aWinSize.y()); |
1270 | |
1271 | const gp_Dir& aDir = aCam->Direction(); |
1272 | const gp_Ax3 aCameraCS (aCam->Center(), aDir.Reversed(), aDir ^ aCam->Up()); |
1273 | const gp_XYZ anEyeToPnt = myPanPnt3d.XYZ() - aCam->Eye().XYZ(); |
1274 | const gp_Pnt aViewDims = aCam->ViewDimensions (anEyeToPnt.Dot (aCam->Direction().XYZ())); // view dimensions at 3D point |
1275 | const Graphic3d_Vec2d aDxy (-aViewDims.X() * myGL.Panning.Delta.x() / double(aWinSize.x()), |
1276 | -aViewDims.X() * myGL.Panning.Delta.y() / double(aWinSize.x())); |
1277 | |
1278 | //theView->Translate (aCam, aDxy.x(), aDxy.y()); |
1279 | gp_Trsf aPanTrsf; |
1280 | const gp_Vec aCameraPan = gp_Vec (aCameraCS.XDirection()) * aDxy.x() |
1281 | + gp_Vec (aCameraCS.YDirection()) * aDxy.y(); |
1282 | aPanTrsf.SetTranslation (aCameraPan); |
1283 | aCam->Transform (aPanTrsf); |
1284 | theView->Invalidate(); |
1285 | } |
1286 | |
1287 | // ======================================================================= |
1288 | // function : handleZRotate |
1289 | // purpose : |
1290 | // ======================================================================= |
1291 | void AIS_ViewController::handleZRotate (const Handle(V3d_View)& theView) |
1292 | { |
1293 | if (!myGL.ZRotate.ToRotate |
1294 | || !myToAllowRotation) |
1295 | { |
1296 | return; |
1297 | } |
1298 | |
2108d9a2 |
1299 | AbortViewAnimation(); |
1300 | |
49582f9d |
1301 | Graphic3d_Vec2i aViewPort; |
1302 | theView->Window()->Size (aViewPort.x(), aViewPort.y()); |
1303 | Graphic3d_Vec2d aRotPnt (0.99 * aViewPort.x(), |
1304 | 0.5 * aViewPort.y()); |
1305 | theView->StartRotation (int(aRotPnt.x()), int(aRotPnt.y()), 0.4); |
1306 | aRotPnt.y() += myGL.ZRotate.Angle * aViewPort.y(); |
1307 | theView->Rotation (int(aRotPnt.x()), int(aRotPnt.y())); |
1308 | theView->Invalidate(); |
1309 | } |
1310 | |
1311 | // ======================================================================= |
1312 | // function : handleZoom |
1313 | // purpose : |
1314 | // ======================================================================= |
1315 | void AIS_ViewController::handleZoom (const Handle(V3d_View)& theView, |
1316 | const Aspect_ScrollDelta& theParams, |
1317 | const gp_Pnt* thePnt) |
1318 | { |
1319 | if (!myToAllowZooming) |
1320 | { |
1321 | return; |
1322 | } |
1323 | |
2108d9a2 |
1324 | AbortViewAnimation(); |
1325 | |
49582f9d |
1326 | const Handle(Graphic3d_Camera)& aCam = theView->Camera(); |
1327 | if (thePnt != NULL) |
1328 | { |
1329 | const double aViewDist = Max (myMinCamDistance, (thePnt->XYZ() - aCam->Eye().XYZ()).Modulus()); |
1330 | aCam->SetCenter (aCam->Eye().XYZ() + aCam->Direction().XYZ() * aViewDist); |
1331 | } |
1332 | |
1333 | if (!theParams.HasPoint()) |
1334 | { |
1335 | Standard_Real aCoeff = Abs(theParams.Delta) / 100.0 + 1.0; |
1336 | aCoeff = theParams.Delta > 0.0 ? aCoeff : 1.0 / aCoeff; |
1337 | theView->SetZoom (aCoeff, true); |
1338 | theView->Invalidate(); |
1339 | return; |
1340 | } |
1341 | |
1342 | // integer delta is too rough for small smooth increments |
1343 | //theView->StartZoomAtPoint (theParams.Point.x(), theParams.Point.y()); |
1344 | //theView->ZoomAtPoint (0, 0, (int )theParams.Delta, (int )theParams.Delta); |
1345 | |
1346 | double aDZoom = Abs (theParams.Delta) / 100.0 + 1.0; |
1347 | aDZoom = (theParams.Delta > 0.0) ? aDZoom : 1.0 / aDZoom; |
1348 | if (aDZoom <= 0.0) |
1349 | { |
1350 | return; |
1351 | } |
1352 | |
1353 | const Graphic3d_Vec2d aViewDims (aCam->ViewDimensions().X(), aCam->ViewDimensions().Y()); |
1354 | |
1355 | // ensure that zoom will not be too small or too big |
1356 | double aCoef = aDZoom; |
1357 | if (aViewDims.x() < aCoef * Precision::Confusion()) |
1358 | { |
1359 | aCoef = aViewDims.x() / Precision::Confusion(); |
1360 | } |
1361 | else if (aViewDims.x() > aCoef * 1e12) |
1362 | { |
1363 | aCoef = aViewDims.x() / 1e12; |
1364 | } |
1365 | if (aViewDims.y() < aCoef * Precision::Confusion()) |
1366 | { |
1367 | aCoef = aViewDims.y() / Precision::Confusion(); |
1368 | } |
1369 | else if (aViewDims.y() > aCoef * 1e12) |
1370 | { |
1371 | aCoef = aViewDims.y() / 1e12; |
1372 | } |
1373 | |
1374 | Graphic3d_Vec2d aZoomAtPointXYv (0.0, 0.0); |
1375 | theView->Convert (theParams.Point.x(), theParams.Point.y(), |
1376 | aZoomAtPointXYv.x(), aZoomAtPointXYv.y()); |
1377 | Graphic3d_Vec2d aDxy = aZoomAtPointXYv / aCoef; |
1378 | aCam->SetScale (aCam->Scale() / aCoef); |
1379 | |
1380 | const gp_Dir& aDir = aCam->Direction(); |
1381 | const gp_Ax3 aCameraCS (aCam->Center(), aDir.Reversed(), aDir ^ aCam->Up()); |
1382 | |
1383 | // pan back to the point |
1384 | aDxy = aZoomAtPointXYv - aDxy; |
1385 | if (thePnt != NULL) |
1386 | { |
1387 | // zoom at 3D point with perspective projection |
1388 | const gp_XYZ anEyeToPnt = thePnt->XYZ() - aCam->Eye().XYZ(); |
1389 | aDxy.SetValues (anEyeToPnt.Dot (aCameraCS.XDirection().XYZ()), |
1390 | anEyeToPnt.Dot (aCameraCS.YDirection().XYZ())); |
1391 | |
1392 | // view dimensions at 3D point |
1393 | const gp_Pnt aViewDims1 = aCam->ViewDimensions (anEyeToPnt.Dot (aCam->Direction().XYZ())); |
1394 | |
1395 | Graphic3d_Vec2i aWinSize; |
1396 | theView->Window()->Size (aWinSize.x(), aWinSize.y()); |
1397 | const Graphic3d_Vec2d aPanFromCenterPx (double(theParams.Point.x()) - 0.5 * double(aWinSize.x()), |
9460f8c0 |
1398 | double(aWinSize.y() - theParams.Point.y() - 1) - 0.5 * double(aWinSize.y())); |
49582f9d |
1399 | aDxy.x() += -aViewDims1.X() * aPanFromCenterPx.x() / double(aWinSize.x()); |
9460f8c0 |
1400 | aDxy.y() += -aViewDims1.Y() * aPanFromCenterPx.y() / double(aWinSize.y()); |
49582f9d |
1401 | } |
1402 | |
1403 | //theView->Translate (aCam, aDxy.x(), aDxy.y()); |
1404 | gp_Trsf aPanTrsf; |
1405 | const gp_Vec aCameraPan = gp_Vec (aCameraCS.XDirection()) * aDxy.x() |
1406 | + gp_Vec (aCameraCS.YDirection()) * aDxy.y(); |
1407 | aPanTrsf.SetTranslation (aCameraPan); |
1408 | aCam->Transform (aPanTrsf); |
1409 | theView->Invalidate(); |
1410 | } |
1411 | |
1412 | // ======================================================================= |
1413 | // function : handleZFocusScroll |
1414 | // purpose : |
1415 | // ======================================================================= |
1416 | void AIS_ViewController::handleZFocusScroll (const Handle(V3d_View)& theView, |
1417 | const Aspect_ScrollDelta& theParams) |
1418 | { |
1419 | if (!myToAllowZFocus |
1420 | || !theView->Camera()->IsStereo()) |
1421 | { |
1422 | return; |
1423 | } |
1424 | |
1425 | Standard_Real aFocus = theView->Camera()->ZFocus() + (theParams.Delta > 0.0 ? 0.05 : -0.05); |
1426 | if (aFocus > 0.2 |
1427 | && aFocus < 2.0) |
1428 | { |
1429 | theView->Camera()->SetZFocus (theView->Camera()->ZFocusType(), aFocus); |
1430 | theView->Redraw(); |
1431 | } |
1432 | } |
1433 | |
1434 | // ======================================================================= |
1435 | // function : handleOrbitRotation |
1436 | // purpose : |
1437 | // ======================================================================= |
1438 | void AIS_ViewController::handleOrbitRotation (const Handle(V3d_View)& theView, |
1439 | const gp_Pnt& thePnt, |
1440 | bool theToLockZUp) |
1441 | { |
1442 | if (!myToAllowRotation) |
1443 | { |
1444 | return; |
1445 | } |
1446 | |
1447 | const Handle(Graphic3d_Camera)& aCam = theView->Camera(); |
1448 | if (myGL.OrbitRotation.ToStart) |
1449 | { |
1450 | // default alternatives |
1451 | //if (myRotationMode == AIS_RotationMode_BndBoxActive) theView->StartRotation (myGL.RotateAtPoint.x(), myGL.RotateAtPoint.y()); |
1452 | //theView->Rotate (0.0, 0.0, 0.0, thePnt.X(), thePnt.Y(), thePnt.Z(), true); |
1453 | |
1454 | myRotatePnt3d = thePnt; |
1455 | myCamStartOpUp = aCam->Up(); |
607e5e62 |
1456 | myCamStartOpDir = aCam->Direction(); |
49582f9d |
1457 | myCamStartOpEye = aCam->Eye(); |
1458 | myCamStartOpCenter = aCam->Center(); |
1459 | |
1460 | gp_Trsf aTrsf; |
1461 | aTrsf.SetTransformation (gp_Ax3 (myRotatePnt3d, aCam->OrthogonalizedUp(), aCam->Direction()), |
1462 | gp_Ax3 (myRotatePnt3d, gp::DZ(), gp::DX())); |
1463 | const gp_Quaternion aRot = aTrsf.GetRotation(); |
1464 | aRot.GetEulerAngles (gp_YawPitchRoll, myRotateStartYawPitchRoll[0], myRotateStartYawPitchRoll[1], myRotateStartYawPitchRoll[2]); |
1465 | |
1466 | aTrsf.Invert(); |
1467 | myCamStartOpToEye = gp_Vec (myRotatePnt3d, aCam->Eye()).Transformed (aTrsf); |
1468 | myCamStartOpToCenter = gp_Vec (myRotatePnt3d, aCam->Center()).Transformed (aTrsf); |
1469 | |
1470 | theView->Invalidate(); |
1471 | } |
1472 | |
1473 | if (!myGL.OrbitRotation.ToRotate) |
1474 | { |
1475 | return; |
1476 | } |
1477 | |
2108d9a2 |
1478 | AbortViewAnimation(); |
49582f9d |
1479 | if (theToLockZUp) |
1480 | { |
1481 | // amend camera to exclude roll angle (put camera Up vector to plane containing global Z and view direction) |
1482 | Graphic3d_Vec2i aWinXY; |
1483 | theView->Window()->Size (aWinXY.x(), aWinXY.y()); |
1484 | double aYawAngleDelta = ((myGL.OrbitRotation.PointStart.x() - myGL.OrbitRotation.PointTo.x()) / double (aWinXY.x())) * (M_PI * 0.5); |
1485 | double aPitchAngleDelta = -((myGL.OrbitRotation.PointStart.y() - myGL.OrbitRotation.PointTo.y()) / double (aWinXY.y())) * (M_PI * 0.5); |
1486 | const double aPitchAngleNew = Max (Min (myRotateStartYawPitchRoll[1] + aPitchAngleDelta, M_PI * 0.5 - M_PI / 180.0), -M_PI * 0.5 + M_PI / 180.0); |
1487 | const double aYawAngleNew = myRotateStartYawPitchRoll[0] + aYawAngleDelta; |
1488 | const double aRoll = 0.0; |
1489 | |
1490 | gp_Quaternion aRot; |
1491 | aRot.SetEulerAngles (gp_YawPitchRoll, aYawAngleNew, aPitchAngleNew, aRoll); |
1492 | gp_Trsf aTrsfRot; |
1493 | aTrsfRot.SetRotation (aRot); |
1494 | |
1495 | const gp_Dir aNewUp = gp::DZ().Transformed (aTrsfRot); |
1496 | aCam->SetUp (aNewUp); |
607e5e62 |
1497 | aCam->SetEyeAndCenter (myRotatePnt3d.XYZ() + myCamStartOpToEye .Transformed (aTrsfRot).XYZ(), |
1498 | myRotatePnt3d.XYZ() + myCamStartOpToCenter.Transformed (aTrsfRot).XYZ()); |
1499 | |
49582f9d |
1500 | aCam->OrthogonalizeUp(); |
1501 | } |
1502 | else |
1503 | { |
1504 | // default alternatives |
1505 | //if (myRotationMode == AIS_RotationMode_BndBoxActive) theView->Rotation (myGL.RotateToPoint.x(), myGL.RotateToPoint.y()); |
1506 | //theView->Rotate (aDX, aDY, aDZ, myRotatePnt3d.X(), myRotatePnt3d.Y(), myRotatePnt3d.Z(), false); |
1507 | |
1508 | // restore previous camera state |
607e5e62 |
1509 | aCam->SetEyeAndCenter (myCamStartOpEye, myCamStartOpCenter); |
1510 | aCam->SetUp (myCamStartOpUp); |
1511 | aCam->SetDirectionFromEye (myCamStartOpDir); |
49582f9d |
1512 | |
1513 | Graphic3d_Vec2d aWinXY; |
1514 | theView->Size (aWinXY.x(), aWinXY.y()); |
1515 | const Standard_Real rx = (Standard_Real )theView->Convert (aWinXY.x()); |
1516 | const Standard_Real ry = (Standard_Real )theView->Convert (aWinXY.y()); |
1517 | |
1518 | const double THE_2PI = M_PI * 2.0; |
1519 | double aDX = (myGL.OrbitRotation.PointTo.x() - myGL.OrbitRotation.PointStart.x()) * M_PI / rx; |
1520 | double aDY = (myGL.OrbitRotation.PointStart.y() - myGL.OrbitRotation.PointTo.y()) * M_PI / ry; |
1521 | |
1522 | if (aDX > 0.0) { while (aDX > THE_2PI) { aDX -= THE_2PI; } } |
1523 | else if(aDX < 0.0) { while (aDX < -THE_2PI) { aDX += THE_2PI; } } |
1524 | if (aDY > 0.0) { while (aDY > THE_2PI) { aDY -= THE_2PI; } } |
1525 | else if(aDY < 0.0) { while (aDY < -THE_2PI) { aDY += THE_2PI; } } |
1526 | |
1527 | // rotate camera around 3 initial axes |
1528 | gp_Dir aCamDir (aCam->Direction().Reversed()); |
1529 | gp_Dir aCamUp (aCam->Up()); |
1530 | gp_Dir aCamSide(aCamUp.Crossed (aCamDir)); |
1531 | |
1532 | gp_Trsf aRot[2], aTrsf; |
1533 | aRot[0].SetRotation (gp_Ax1 (myRotatePnt3d, aCamUp), -aDX); |
1534 | aRot[1].SetRotation (gp_Ax1 (myRotatePnt3d, aCamSide), aDY); |
1535 | aTrsf.Multiply (aRot[0]); |
1536 | aTrsf.Multiply (aRot[1]); |
1537 | |
1538 | aCam->Transform (aTrsf); |
1539 | } |
1540 | |
1541 | theView->Invalidate(); |
1542 | } |
1543 | |
1544 | // ======================================================================= |
1545 | // function : handleViewRotation |
1546 | // purpose : |
1547 | // ======================================================================= |
1548 | void AIS_ViewController::handleViewRotation (const Handle(V3d_View)& theView, |
1549 | double theYawExtra, |
1550 | double thePitchExtra, |
1551 | double theRoll, |
1552 | bool theToRestartOnIncrement) |
1553 | { |
1554 | if (!myToAllowRotation) |
1555 | { |
1556 | return; |
1557 | } |
1558 | |
1559 | const Handle(Graphic3d_Camera)& aCam = theView->Camera(); |
1560 | const bool toRotateAnyway = Abs (theYawExtra) > gp::Resolution() |
1561 | || Abs (thePitchExtra) > gp::Resolution() |
1562 | || Abs (theRoll - myRotateStartYawPitchRoll[2]) > gp::Resolution(); |
1563 | if (toRotateAnyway |
1564 | && theToRestartOnIncrement) |
1565 | { |
1566 | myGL.ViewRotation.ToStart = true; |
1567 | myGL.ViewRotation.PointTo = myGL.ViewRotation.PointStart; |
1568 | } |
1569 | if (myGL.ViewRotation.ToStart) |
1570 | { |
1571 | gp_Trsf aTrsf; |
1572 | aTrsf.SetTransformation (gp_Ax3 (gp::Origin(), aCam->OrthogonalizedUp(), aCam->Direction()), |
1573 | gp_Ax3 (gp::Origin(), gp::DZ(), gp::DX())); |
1574 | const gp_Quaternion aRot = aTrsf.GetRotation(); |
1575 | double aRollDummy = 0.0; |
1576 | aRot.GetEulerAngles (gp_YawPitchRoll, myRotateStartYawPitchRoll[0], myRotateStartYawPitchRoll[1], aRollDummy); |
1577 | } |
1578 | if (toRotateAnyway) |
1579 | { |
1580 | myRotateStartYawPitchRoll[0] += theYawExtra; |
1581 | myRotateStartYawPitchRoll[1] += thePitchExtra; |
1582 | myRotateStartYawPitchRoll[2] = theRoll; |
1583 | myGL.ViewRotation.ToRotate = true; |
1584 | } |
1585 | |
1586 | if (!myGL.ViewRotation.ToRotate) |
1587 | { |
1588 | return; |
1589 | } |
1590 | |
2108d9a2 |
1591 | AbortViewAnimation(); |
1592 | |
49582f9d |
1593 | Graphic3d_Vec2i aWinXY; |
1594 | theView->Window()->Size (aWinXY.x(), aWinXY.y()); |
1595 | double aYawAngleDelta = ((myGL.ViewRotation.PointStart.x() - myGL.ViewRotation.PointTo.x()) / double (aWinXY.x())) * (M_PI * 0.5); |
1596 | double aPitchAngleDelta = -((myGL.ViewRotation.PointStart.y() - myGL.ViewRotation.PointTo.y()) / double (aWinXY.y())) * (M_PI * 0.5); |
1597 | const double aPitchAngleNew = Max (Min (myRotateStartYawPitchRoll[1] + aPitchAngleDelta, M_PI * 0.5 - M_PI / 180.0), -M_PI * 0.5 + M_PI / 180.0); |
1598 | const double aYawAngleNew = myRotateStartYawPitchRoll[0] + aYawAngleDelta; |
1599 | gp_Quaternion aRot; |
1600 | aRot.SetEulerAngles (gp_YawPitchRoll, aYawAngleNew, aPitchAngleNew, theRoll); |
1601 | gp_Trsf aTrsfRot; |
1602 | aTrsfRot.SetRotation (aRot); |
1603 | |
49582f9d |
1604 | const gp_Dir aNewUp = gp::DZ().Transformed (aTrsfRot); |
1605 | const gp_Dir aNewDir = gp::DX().Transformed (aTrsfRot); |
607e5e62 |
1606 | aCam->SetUp (aNewUp); |
1607 | aCam->SetDirectionFromEye (aNewDir); |
49582f9d |
1608 | aCam->OrthogonalizeUp(); |
1609 | theView->Invalidate(); |
1610 | } |
1611 | |
1612 | // ======================================================================= |
1613 | // function : PickPoint |
1614 | // purpose : |
1615 | // ======================================================================= |
1616 | bool AIS_ViewController::PickPoint (gp_Pnt& thePnt, |
1617 | const Handle(AIS_InteractiveContext)& theCtx, |
1618 | const Handle(V3d_View)& theView, |
1619 | const Graphic3d_Vec2i& theCursor, |
1620 | bool theToStickToPickRay) |
1621 | { |
1622 | ResetPreviousMoveTo(); |
1623 | |
1624 | const Handle(StdSelect_ViewerSelector3d)& aSelector = theCtx->MainSelector(); |
1625 | aSelector->Pick (theCursor.x(), theCursor.y(), theView); |
1626 | if (aSelector->NbPicked() < 1) |
1627 | { |
1628 | return false; |
1629 | } |
1630 | |
1631 | const SelectMgr_SortCriterion& aPicked = aSelector->PickedData (1); |
1632 | if (theToStickToPickRay |
1633 | && !Precision::IsInfinite (aPicked.Depth)) |
1634 | { |
1635 | thePnt = aSelector->GetManager().DetectedPoint (aPicked.Depth); |
1636 | } |
1637 | else |
1638 | { |
1639 | thePnt = aSelector->PickedPoint (1); |
1640 | } |
1641 | return !Precision::IsInfinite (thePnt.X()) |
1642 | && !Precision::IsInfinite (thePnt.Y()) |
1643 | && !Precision::IsInfinite (thePnt.Z()); |
1644 | } |
1645 | |
1646 | // ======================================================================= |
1647 | // function : GravityPoint |
1648 | // purpose : |
1649 | // ======================================================================= |
1650 | gp_Pnt AIS_ViewController::GravityPoint (const Handle(AIS_InteractiveContext)& theCtx, |
1651 | const Handle(V3d_View)& theView) |
1652 | { |
1653 | switch (myRotationMode) |
1654 | { |
1655 | case AIS_RotationMode_PickLast: |
1656 | case AIS_RotationMode_PickCenter: |
1657 | { |
1658 | Graphic3d_Vec2i aCursor ((int )myGL.OrbitRotation.PointStart.x(), (int )myGL.OrbitRotation.PointStart.y()); |
1659 | if (myRotationMode == AIS_RotationMode_PickCenter) |
1660 | { |
1661 | Graphic3d_Vec2i aViewPort; |
1662 | theView->Window()->Size (aViewPort.x(), aViewPort.y()); |
1663 | aCursor = aViewPort / 2; |
1664 | } |
1665 | |
1666 | gp_Pnt aPnt; |
9460f8c0 |
1667 | if (PickPoint (aPnt, theCtx, theView, aCursor, myToStickToRayOnRotation)) |
49582f9d |
1668 | { |
1669 | return aPnt; |
1670 | } |
1671 | break; |
1672 | } |
1673 | case AIS_RotationMode_CameraAt: |
1674 | { |
1675 | const Handle(Graphic3d_Camera)& aCam = theView->Camera(); |
1676 | return aCam->Center(); |
1677 | } |
1678 | case AIS_RotationMode_BndBoxScene: |
1679 | { |
1680 | Bnd_Box aBndBox = theView->View()->MinMaxValues (false); |
1681 | if (!aBndBox.IsVoid()) |
1682 | { |
1683 | return (aBndBox.CornerMin().XYZ() + aBndBox.CornerMax().XYZ()) * 0.5; |
1684 | } |
1685 | break; |
1686 | } |
1687 | case AIS_RotationMode_BndBoxActive: |
1688 | break; |
1689 | } |
1690 | |
1691 | return theCtx ->GravityPoint (theView); |
1692 | } |
1693 | |
1694 | // ======================================================================= |
1695 | // function : handleCameraActions |
1696 | // purpose : |
1697 | // ======================================================================= |
1698 | void AIS_ViewController::handleCameraActions (const Handle(AIS_InteractiveContext)& theCtx, |
1699 | const Handle(V3d_View)& theView, |
1700 | const AIS_WalkDelta& theWalk) |
1701 | { |
1702 | // apply view actions |
1703 | if (myGL.Orientation.ToSetViewOrient) |
1704 | { |
1705 | theView->SetProj (myGL.Orientation.ViewOrient); |
1706 | myGL.Orientation.ToFitAll = true; |
1707 | } |
1708 | |
1709 | // apply fit all |
1710 | if (myGL.Orientation.ToFitAll) |
1711 | { |
1712 | const double aFitMargin = 0.01; |
1713 | theView->FitAll (aFitMargin, false); |
1714 | theView->Invalidate(); |
1715 | myGL.Orientation.ToFitAll = false; |
1716 | } |
1717 | |
1718 | if (myGL.IsNewGesture) |
1719 | { |
1720 | if (myAnchorPointPrs1->HasInteractiveContext()) |
1721 | { |
1722 | theCtx->Remove (myAnchorPointPrs1, false); |
1723 | if (!theView->Viewer()->ZLayerSettings (myAnchorPointPrs1->ZLayer()).IsImmediate()) |
1724 | { |
1725 | theView->Invalidate(); |
1726 | } |
1727 | else |
1728 | { |
1729 | theView->InvalidateImmediate(); |
1730 | } |
1731 | } |
1732 | if (myAnchorPointPrs2->HasInteractiveContext()) |
1733 | { |
1734 | theCtx->Remove (myAnchorPointPrs2, false); |
1735 | if (!theView->Viewer()->ZLayerSettings (myAnchorPointPrs2->ZLayer()).IsImmediate()) |
1736 | { |
1737 | theView->Invalidate(); |
1738 | } |
1739 | else |
1740 | { |
1741 | theView->InvalidateImmediate(); |
1742 | } |
1743 | } |
1744 | |
1745 | if (myHasHlrOnBeforeRotation) |
1746 | { |
1747 | myHasHlrOnBeforeRotation = false; |
1748 | theView->SetComputedMode (true); |
1749 | theView->Invalidate(); |
1750 | } |
1751 | } |
1752 | |
1753 | if (myNavigationMode != AIS_NavigationMode_FirstPersonWalk) |
1754 | { |
1755 | if (myGL.Panning.ToStart |
1756 | && myToAllowPanning) |
1757 | { |
1758 | gp_Pnt aPanPnt (Precision::Infinite(), 0.0, 0.0); |
1759 | if (!theView->Camera()->IsOrthographic()) |
1760 | { |
1761 | bool toStickToRay = false; |
1762 | if (myGL.Panning.PointStart.x() >= 0 |
1763 | && myGL.Panning.PointStart.y() >= 0) |
1764 | { |
1765 | PickPoint (aPanPnt, theCtx, theView, myGL.Panning.PointStart, toStickToRay); |
1766 | } |
1767 | if (Precision::IsInfinite (aPanPnt.X())) |
1768 | { |
1769 | Graphic3d_Vec2i aWinSize; |
1770 | theView->Window()->Size (aWinSize.x(), aWinSize.y()); |
1771 | PickPoint (aPanPnt, theCtx, theView, aWinSize / 2, toStickToRay); |
1772 | } |
1773 | if (!Precision::IsInfinite (aPanPnt.X()) |
1774 | && myToShowPanAnchorPoint) |
1775 | { |
1776 | gp_Trsf aPntTrsf; |
1777 | aPntTrsf.SetTranslation (gp_Vec (aPanPnt.XYZ())); |
1778 | theCtx->SetLocation (myAnchorPointPrs2, aPntTrsf); |
1779 | } |
1780 | } |
1781 | setPanningAnchorPoint (aPanPnt); |
1782 | } |
1783 | |
1784 | if (myToShowPanAnchorPoint |
1785 | && hasPanningAnchorPoint() |
1786 | && myGL.Panning.ToPan |
1787 | && !myGL.IsNewGesture |
1788 | && !myAnchorPointPrs2->HasInteractiveContext()) |
1789 | { |
1790 | theCtx->Display (myAnchorPointPrs2, 0, -1, false, AIS_DS_Displayed); |
1791 | } |
1792 | |
1793 | handlePanning (theView); |
1794 | handleZRotate (theView); |
1795 | } |
1796 | |
1797 | if ((myNavigationMode == AIS_NavigationMode_Orbit |
1798 | || myGL.OrbitRotation.ToStart |
1799 | || myGL.OrbitRotation.ToRotate) |
1800 | && myToAllowRotation) |
1801 | { |
1802 | if (myGL.OrbitRotation.ToStart |
1803 | && !myHasHlrOnBeforeRotation) |
1804 | { |
1805 | myHasHlrOnBeforeRotation = theView->ComputedMode(); |
1806 | if (myHasHlrOnBeforeRotation) |
1807 | { |
1808 | theView->SetComputedMode (false); |
1809 | } |
1810 | } |
1811 | |
1812 | gp_Pnt aGravPnt; |
1813 | if (myGL.OrbitRotation.ToStart) |
1814 | { |
1815 | aGravPnt = GravityPoint (theCtx, theView); |
1816 | if (myToShowRotateCenter) |
1817 | { |
1818 | gp_Trsf aPntTrsf; |
1819 | aPntTrsf.SetTranslation (gp_Vec (aGravPnt.XYZ())); |
1820 | theCtx->SetLocation (myAnchorPointPrs1, aPntTrsf); |
1821 | theCtx->SetLocation (myAnchorPointPrs2, aPntTrsf); |
1822 | } |
1823 | } |
1824 | |
1825 | if (myToShowRotateCenter |
1826 | && myGL.OrbitRotation.ToRotate |
1827 | && !myGL.IsNewGesture |
1828 | && !myAnchorPointPrs1->HasInteractiveContext()) |
1829 | { |
1830 | theCtx->Display (myAnchorPointPrs1, 0, -1, false, AIS_DS_Displayed); |
1831 | theCtx->Display (myAnchorPointPrs2, 0, -1, false, AIS_DS_Displayed); |
1832 | } |
1833 | handleOrbitRotation (theView, aGravPnt, |
1834 | myToLockOrbitZUp || myNavigationMode != AIS_NavigationMode_Orbit); |
1835 | } |
1836 | |
1837 | if ((myNavigationMode != AIS_NavigationMode_Orbit |
1838 | || myGL.ViewRotation.ToStart |
1839 | || myGL.ViewRotation.ToRotate) |
1840 | && myToAllowRotation) |
1841 | { |
1842 | if (myGL.ViewRotation.ToStart |
1843 | && !myHasHlrOnBeforeRotation) |
1844 | { |
1845 | myHasHlrOnBeforeRotation = theView->ComputedMode(); |
1846 | if (myHasHlrOnBeforeRotation) |
1847 | { |
1848 | theView->SetComputedMode (false); |
1849 | } |
1850 | } |
1851 | |
1852 | double aRoll = 0.0; |
1853 | if (!theWalk[AIS_WalkRotation_Roll].IsEmpty() |
1854 | && !myToLockOrbitZUp) |
1855 | { |
1856 | aRoll = (M_PI / 12.0) * theWalk[AIS_WalkRotation_Roll].Pressure; |
1857 | aRoll *= Min (1000.0 * theWalk[AIS_WalkRotation_Roll].Duration, 100.0) / 100.0; |
1858 | if (theWalk[AIS_WalkRotation_Roll].Value < 0.0) |
1859 | { |
1860 | aRoll = -aRoll; |
1861 | } |
1862 | } |
1863 | |
1864 | handleViewRotation (theView, theWalk[AIS_WalkRotation_Yaw].Value, theWalk[AIS_WalkRotation_Pitch].Value, aRoll, |
1865 | myNavigationMode == AIS_NavigationMode_FirstPersonFlight); |
1866 | } |
1867 | |
1868 | if (!myGL.ZoomActions.IsEmpty()) |
1869 | { |
1870 | for (NCollection_Sequence<Aspect_ScrollDelta>::Iterator aZoomIter (myGL.ZoomActions); aZoomIter.More(); aZoomIter.Next()) |
1871 | { |
1872 | Aspect_ScrollDelta aZoomParams = aZoomIter.Value(); |
1873 | if (myToAllowZFocus |
1874 | && (aZoomParams.Flags & Aspect_VKeyFlags_CTRL) != 0 |
1875 | && theView->Camera()->IsStereo()) |
1876 | { |
1877 | handleZFocusScroll (theView, aZoomParams); |
1878 | continue; |
1879 | } |
1880 | |
1881 | if (!myToAllowZooming) |
1882 | { |
1883 | continue; |
1884 | } |
1885 | |
1886 | if (!theView->Camera()->IsOrthographic()) |
1887 | { |
49582f9d |
1888 | gp_Pnt aPnt; |
1889 | if (aZoomParams.HasPoint() |
9460f8c0 |
1890 | && PickPoint (aPnt, theCtx, theView, aZoomParams.Point, myToStickToRayOnZoom)) |
49582f9d |
1891 | { |
1892 | handleZoom (theView, aZoomParams, &aPnt); |
1893 | continue; |
1894 | } |
1895 | |
1896 | Graphic3d_Vec2i aWinSize; |
1897 | theView->Window()->Size (aWinSize.x(), aWinSize.y()); |
9460f8c0 |
1898 | if (PickPoint (aPnt, theCtx, theView, aWinSize / 2, myToStickToRayOnZoom)) |
49582f9d |
1899 | { |
1900 | aZoomParams.ResetPoint(); // do not pretend to zoom at 'nothing' |
1901 | handleZoom (theView, aZoomParams, &aPnt); |
1902 | continue; |
1903 | } |
1904 | } |
1905 | handleZoom (theView, aZoomParams, NULL); |
1906 | } |
1907 | myGL.ZoomActions.Clear(); |
1908 | } |
1909 | } |
1910 | |
1911 | // ======================================================================= |
1912 | // function : OnSelectionChanged |
1913 | // purpose : |
1914 | // ======================================================================= |
1915 | void AIS_ViewController::OnSelectionChanged (const Handle(AIS_InteractiveContext)& , |
1916 | const Handle(V3d_View)& ) |
1917 | { |
1918 | // |
1919 | } |
1920 | |
1921 | // ======================================================================= |
1922 | // function : OnObjectDragged |
1923 | // purpose : |
1924 | // ======================================================================= |
1925 | void AIS_ViewController::OnObjectDragged (const Handle(AIS_InteractiveContext)& theCtx, |
1926 | const Handle(V3d_View)& theView, |
1927 | AIS_DragAction theAction) |
1928 | { |
1929 | switch (theAction) |
1930 | { |
1931 | case AIS_DragAction_Start: |
1932 | { |
1933 | myDragObject.Nullify(); |
1934 | if (!theCtx->HasDetected()) |
1935 | { |
1936 | return; |
1937 | } |
1938 | |
1939 | Handle(AIS_InteractiveObject) aPrs = theCtx->DetectedInteractive(); |
1940 | if (Handle(AIS_Manipulator) aManip = Handle(AIS_Manipulator)::DownCast (aPrs)) |
1941 | { |
1942 | if (aManip->HasActiveMode()) |
1943 | { |
1944 | myDragObject = aManip; |
1945 | aManip->StartTransform (myGL.Dragging.PointStart.x(), myGL.Dragging.PointStart.y(), theView); |
1946 | } |
1947 | } |
1948 | return; |
1949 | } |
1950 | case AIS_DragAction_Update: |
1951 | { |
1952 | if (myDragObject.IsNull()) |
1953 | { |
1954 | return; |
1955 | } |
1956 | |
1957 | if (Handle(SelectMgr_EntityOwner) aGlobOwner = myDragObject->GlobalSelOwner()) |
1958 | { |
1959 | theCtx->SetSelectedState (aGlobOwner, true); |
1960 | } |
1961 | if (Handle(AIS_Manipulator) aManip = Handle(AIS_Manipulator)::DownCast (myDragObject)) |
1962 | { |
1963 | aManip->Transform (myGL.Dragging.PointTo.x(), myGL.Dragging.PointTo.y(), theView); |
1964 | } |
1965 | theView->Invalidate(); |
1966 | return; |
1967 | } |
1968 | case AIS_DragAction_Abort: |
1969 | { |
1970 | if (myDragObject.IsNull()) |
1971 | { |
1972 | return; |
1973 | } |
1974 | |
1975 | myGL.Dragging.PointTo = myGL.Dragging.PointStart; |
1976 | OnObjectDragged (theCtx, theView, AIS_DragAction_Update); |
1977 | |
1978 | if (Handle(AIS_Manipulator) aManip = Handle(AIS_Manipulator)::DownCast (myDragObject)) |
1979 | { |
1980 | aManip->StopTransform (false); |
1981 | } |
1982 | Standard_FALLTHROUGH |
1983 | } |
1984 | case AIS_DragAction_Stop: |
1985 | { |
1986 | if (myDragObject.IsNull()) |
1987 | { |
1988 | return; |
1989 | } |
1990 | |
1991 | if (Handle(SelectMgr_EntityOwner) aGlobOwner = myDragObject->GlobalSelOwner()) |
1992 | { |
1993 | theCtx->SetSelectedState (aGlobOwner, false); |
1994 | } |
1995 | |
1996 | theView->Invalidate(); |
1997 | myDragObject.Nullify(); |
1998 | return; |
1999 | } |
2000 | } |
2001 | } |
2002 | |
2003 | // ======================================================================= |
2004 | // function : contextLazyMoveTo |
2005 | // purpose : |
2006 | // ======================================================================= |
2007 | void AIS_ViewController::contextLazyMoveTo (const Handle(AIS_InteractiveContext)& theCtx, |
2008 | const Handle(V3d_View)& theView, |
2009 | const Graphic3d_Vec2i& thePnt) |
2010 | { |
2011 | if (myPrevMoveTo == thePnt) |
2012 | { |
2013 | return; |
2014 | } |
2015 | |
2016 | myPrevMoveTo = thePnt; |
2017 | |
2018 | Handle(SelectMgr_EntityOwner) aLastPicked = theCtx->DetectedOwner(); |
2019 | theCtx->MoveTo (thePnt.x(), thePnt.y(), theView, false); |
2020 | Handle(SelectMgr_EntityOwner) aNewPicked = theCtx->DetectedOwner(); |
2021 | |
2022 | if (theView->Viewer()->Grid()->IsActive() |
2023 | && theView->Viewer()->GridEcho()) |
2024 | { |
2025 | if (aNewPicked.IsNull()) |
2026 | { |
2027 | Graphic3d_Vec3d aPnt3d; |
2028 | theView->ConvertToGrid (thePnt.x(), thePnt.y(), aPnt3d[0], aPnt3d[1], aPnt3d[2]); |
2029 | theView->Viewer()->ShowGridEcho (theView, Graphic3d_Vertex (aPnt3d[0], aPnt3d[1], aPnt3d[2])); |
2030 | theView->InvalidateImmediate(); |
2031 | } |
2032 | else |
2033 | { |
2034 | theView->Viewer()->HideGridEcho (theView); |
2035 | theView->InvalidateImmediate(); |
2036 | } |
2037 | } |
2038 | |
2039 | if (aLastPicked != aNewPicked |
2040 | || (!aNewPicked.IsNull() && aNewPicked->IsForcedHilight())) |
2041 | { |
2042 | // dynamic highlight affects all Views |
2043 | for (V3d_ListOfViewIterator aViewIter (theView->Viewer()->ActiveViewIterator()); aViewIter.More(); aViewIter.Next()) |
2044 | { |
2045 | const Handle(V3d_View)& aView = aViewIter.Value(); |
2046 | aView->InvalidateImmediate(); |
2047 | } |
2048 | } |
2049 | } |
2050 | |
2051 | // ======================================================================= |
2052 | // function : handleSelectionPick |
2053 | // purpose : |
2054 | // ======================================================================= |
2055 | void AIS_ViewController::handleSelectionPick (const Handle(AIS_InteractiveContext)& theCtx, |
2056 | const Handle(V3d_View)& theView) |
2057 | { |
2058 | if (myGL.Selection.Tool == AIS_ViewSelectionTool_Picking |
2059 | && !myGL.Selection.Points.IsEmpty()) |
2060 | { |
2061 | for (NCollection_Sequence<Graphic3d_Vec2i>::Iterator aPntIter (myGL.Selection.Points); aPntIter.More(); aPntIter.Next()) |
2062 | { |
49582f9d |
2063 | const bool hadPrevMoveTo = HasPreviousMoveTo(); |
2064 | contextLazyMoveTo (theCtx, theView, aPntIter.Value()); |
2065 | if (!hadPrevMoveTo) |
2066 | { |
2067 | ResetPreviousMoveTo(); |
2068 | } |
2069 | |
2070 | if (myGL.Selection.IsXOR) |
2071 | { |
2072 | theCtx->ShiftSelect (false); |
2073 | } |
2074 | else |
2075 | { |
2076 | theCtx->Select (false); |
2077 | } |
2078 | |
2079 | // selection affects all Views |
2080 | theView->Viewer()->Invalidate(); |
2081 | |
2082 | OnSelectionChanged (theCtx, theView); |
2083 | } |
2084 | |
2085 | myGL.Selection.Points.Clear(); |
2086 | } |
2087 | } |
2088 | |
2089 | // ======================================================================= |
2090 | // function : handleSelectionPoly |
2091 | // purpose : |
2092 | // ======================================================================= |
2093 | void AIS_ViewController::handleSelectionPoly (const Handle(AIS_InteractiveContext)& theCtx, |
2094 | const Handle(V3d_View)& theView) |
2095 | { |
2096 | // rubber-band & window polygon selection |
2097 | if (myGL.Selection.Tool == AIS_ViewSelectionTool_RubberBand |
2098 | || myGL.Selection.Tool == AIS_ViewSelectionTool_Polygon) |
2099 | { |
2100 | if (!myGL.Selection.Points.IsEmpty()) |
2101 | { |
2102 | myRubberBand->ClearPoints(); |
2103 | myRubberBand->SetToUpdate(); |
2104 | |
2105 | const bool anIsRubber = myGL.Selection.Tool == AIS_ViewSelectionTool_RubberBand; |
2106 | if (anIsRubber) |
2107 | { |
2108 | myRubberBand->SetRectangle (myGL.Selection.Points.First().x(), -myGL.Selection.Points.First().y(), |
2109 | myGL.Selection.Points.Last().x(), -myGL.Selection.Points.Last().y()); |
2110 | } |
2111 | else |
2112 | { |
2113 | Graphic3d_Vec2i aPrev (IntegerLast(), IntegerLast()); |
2114 | for (NCollection_Sequence<Graphic3d_Vec2i>::Iterator aSelIter (myGL.Selection.Points); aSelIter.More(); aSelIter.Next()) |
2115 | { |
2116 | Graphic3d_Vec2i aPntNew = Graphic3d_Vec2i (aSelIter.Value().x(), -aSelIter.Value().y()); |
2117 | if (aPntNew != aPrev) |
2118 | { |
2119 | aPrev = aPntNew; |
2120 | myRubberBand->AddPoint (Graphic3d_Vec2i (aSelIter.Value().x(), -aSelIter.Value().y())); |
2121 | } |
2122 | } |
2123 | } |
2124 | |
2125 | myRubberBand->SetPolygonClosed (anIsRubber); |
2126 | try |
2127 | { |
2128 | theCtx->Display (myRubberBand, 0, -1, false, AIS_DS_Displayed); |
2129 | } |
2130 | catch (const Standard_Failure& theEx) |
2131 | { |
2132 | Message::DefaultMessenger()->Send (TCollection_AsciiString ("Internal error while displaying rubber-band: ") |
2133 | + theEx.DynamicType()->Name() + ", " + theEx.GetMessageString(), Message_Warning); |
2134 | myRubberBand->ClearPoints(); |
2135 | } |
2136 | if (!theView->Viewer()->ZLayerSettings (myRubberBand->ZLayer()).IsImmediate()) |
2137 | { |
2138 | theView->Invalidate(); |
2139 | } |
2140 | else |
2141 | { |
2142 | theView->InvalidateImmediate(); |
2143 | } |
2144 | } |
2145 | else if (!myRubberBand.IsNull() |
2146 | && myRubberBand->HasInteractiveContext()) |
2147 | { |
2148 | theCtx->Remove (myRubberBand, false); |
2149 | myRubberBand->ClearPoints(); |
2150 | } |
2151 | } |
2152 | |
2153 | if (myGL.Selection.ToApplyTool) |
2154 | { |
2155 | myGL.Selection.ToApplyTool = false; |
2156 | if (theCtx->IsDisplayed (myRubberBand)) |
2157 | { |
2158 | theCtx->Remove (myRubberBand, false); |
2159 | { |
2160 | const NCollection_Sequence<Graphic3d_Vec2i>& aPoints = myRubberBand->Points(); |
2161 | if (aPoints.Size() == 4 |
2162 | && aPoints.Value (1).x() == aPoints.Value (2).x() |
2163 | && aPoints.Value (3).x() == aPoints.Value (4).x() |
2164 | && aPoints.Value (1).y() == aPoints.Value (4).y() |
2165 | && aPoints.Value (2).y() == aPoints.Value (3).y()) |
2166 | { |
2167 | const Graphic3d_Vec2i aPnt1 (aPoints.Value (1).x(), -aPoints.Value (1).y()); |
2168 | const Graphic3d_Vec2i aPnt2 (aPoints.Value (3).x(), -aPoints.Value (3).y()); |
2169 | theCtx->MainSelector()->AllowOverlapDetection (aPnt1.y() != Min (aPnt1.y(), aPnt2.y())); |
2170 | if (myGL.Selection.IsXOR) |
2171 | { |
2172 | theCtx->ShiftSelect (Min (aPnt1.x(), aPnt2.x()), Min (aPnt1.y(), aPnt2.y()), |
2173 | Max (aPnt1.x(), aPnt2.x()), Max (aPnt1.y(), aPnt2.y()), |
2174 | theView, false); |
2175 | } |
2176 | else |
2177 | { |
2178 | theCtx->Select (Min (aPnt1.x(), aPnt2.x()), Min (aPnt1.y(), aPnt2.y()), |
2179 | Max (aPnt1.x(), aPnt2.x()), Max (aPnt1.y(), aPnt2.y()), |
2180 | theView, false); |
2181 | } |
2182 | theCtx->MainSelector()->AllowOverlapDetection (false); |
2183 | } |
2184 | else if (aPoints.Length() >= 3) |
2185 | { |
2186 | TColgp_Array1OfPnt2d aPolyline (1, aPoints.Length()); |
2187 | TColgp_Array1OfPnt2d::Iterator aPolyIter (aPolyline); |
2188 | for (NCollection_Sequence<Graphic3d_Vec2i>::Iterator aSelIter (aPoints); |
2189 | aSelIter.More(); aSelIter.Next(), aPolyIter.Next()) |
2190 | { |
2191 | const Graphic3d_Vec2i& aNewPnt = aSelIter.Value(); |
2192 | aPolyIter.ChangeValue() = gp_Pnt2d (aNewPnt.x(), -aNewPnt.y()); |
2193 | } |
2194 | |
2195 | theCtx->MainSelector()->AllowOverlapDetection (false); |
2196 | if (myGL.Selection.IsXOR) |
2197 | { |
2198 | theCtx->ShiftSelect (aPolyline, theView, false); |
2199 | } |
2200 | else |
2201 | { |
2202 | theCtx->Select (aPolyline, theView, false); |
2203 | } |
2204 | } |
2205 | } |
2206 | |
2207 | // selection affects all Views |
2208 | theView->Viewer()->Invalidate(); |
2209 | |
2210 | myRubberBand->ClearPoints(); |
2211 | OnSelectionChanged (theCtx, theView); |
2212 | } |
2213 | } |
2214 | } |
2215 | |
2216 | // ======================================================================= |
2217 | // function : handleDynamicHighlight |
2218 | // purpose : |
2219 | // ======================================================================= |
2220 | void AIS_ViewController::handleDynamicHighlight (const Handle(AIS_InteractiveContext)& theCtx, |
2221 | const Handle(V3d_View)& theView) |
2222 | { |
2223 | if ((myGL.MoveTo.ToHilight || myGL.Dragging.ToStart) |
2224 | && myNavigationMode != AIS_NavigationMode_FirstPersonWalk) |
2225 | { |
2226 | const Graphic3d_Vec2i& aMoveToPnt = myGL.MoveTo.ToHilight ? myGL.MoveTo.Point : myGL.Dragging.PointStart; |
2227 | if (myGL.Dragging.ToStart && (!myGL.MoveTo.ToHilight || !myToAllowHighlight) |
2228 | && !HasPreviousMoveTo()) |
2229 | { |
2230 | contextLazyMoveTo (theCtx, theView, aMoveToPnt); |
2231 | ResetPreviousMoveTo(); |
2232 | OnObjectDragged (theCtx, theView, AIS_DragAction_Start); |
2233 | theCtx->ClearDetected(); |
2234 | } |
2235 | else if (myToAllowHighlight) |
2236 | { |
2237 | if (myPrevMoveTo != aMoveToPnt |
2238 | || myGL.OrbitRotation.ToRotate |
2239 | || myGL.ViewRotation.ToRotate |
2240 | || theView->IsInvalidated()) |
2241 | { |
2242 | ResetPreviousMoveTo(); |
2243 | contextLazyMoveTo (theCtx, theView, aMoveToPnt); |
2244 | } |
2245 | if (myGL.Dragging.ToStart) |
2246 | { |
2247 | OnObjectDragged (theCtx, theView, AIS_DragAction_Start); |
2248 | } |
2249 | } |
2250 | |
2251 | myGL.MoveTo.ToHilight = false; |
2252 | } |
2253 | |
2254 | if (!myDragObject.IsNull()) |
2255 | { |
2256 | if (myGL.Dragging.ToAbort) |
2257 | { |
2258 | OnObjectDragged (theCtx, theView, AIS_DragAction_Abort); |
2259 | myGL.OrbitRotation.ToRotate = false; |
2260 | myGL.ViewRotation .ToRotate = false; |
2261 | } |
2262 | else if (myGL.Dragging.ToStop) |
2263 | { |
2264 | OnObjectDragged (theCtx, theView, AIS_DragAction_Stop); |
2265 | myGL.OrbitRotation.ToRotate = false; |
2266 | myGL.ViewRotation .ToRotate = false; |
2267 | } |
2268 | else if (myGL.OrbitRotation.ToRotate |
2269 | || myGL.ViewRotation.ToRotate) |
2270 | { |
2271 | OnObjectDragged (theCtx, theView, AIS_DragAction_Update); |
2272 | myGL.OrbitRotation.ToRotate = false; |
2273 | myGL.ViewRotation .ToRotate = false; |
2274 | } |
2275 | } |
2276 | } |
2277 | |
2278 | // ======================================================================= |
2279 | // function : handleMoveTo |
2280 | // purpose : |
2281 | // ======================================================================= |
2282 | void AIS_ViewController::handleMoveTo (const Handle(AIS_InteractiveContext)& theCtx, |
2283 | const Handle(V3d_View)& theView) |
2284 | { |
2285 | handleSelectionPick (theCtx, theView); |
2286 | handleDynamicHighlight(theCtx, theView); |
2287 | handleSelectionPoly (theCtx, theView); |
2288 | } |
2289 | |
2290 | // ======================================================================= |
2291 | // function : handleViewRedraw |
2292 | // purpose : |
2293 | // ======================================================================= |
2294 | void AIS_ViewController::handleViewRedraw (const Handle(AIS_InteractiveContext)& , |
2295 | const Handle(V3d_View)& theView) |
2296 | { |
2108d9a2 |
2297 | // manage animation state |
2298 | if (!myViewAnimation.IsNull() |
2299 | && !myViewAnimation->IsStopped()) |
2300 | { |
2301 | myViewAnimation->UpdateTimer(); |
2302 | ResetPreviousMoveTo(); |
2303 | setAskNextFrame(); |
2304 | } |
2305 | |
49582f9d |
2306 | for (V3d_ListOfViewIterator aViewIter (theView->Viewer()->ActiveViewIterator()); aViewIter.More(); aViewIter.Next()) |
2307 | { |
2308 | const Handle(V3d_View)& aView = aViewIter.Value(); |
2309 | if (aView->IsInvalidated() |
2310 | || myToAskNextFrame) |
2311 | { |
2312 | if (aView->ComputedMode()) |
2313 | { |
2314 | aView->Update(); |
2315 | } |
2316 | else |
2317 | { |
2318 | aView->Redraw(); |
2319 | } |
2320 | } |
2321 | else if (aView->IsInvalidatedImmediate()) |
2322 | { |
2323 | aView->RedrawImmediate(); |
2324 | } |
2325 | } |
2326 | |
2327 | if (myToAskNextFrame) |
2328 | { |
2329 | // ask more frames |
2330 | theView->Window()->InvalidateContent (Handle(Aspect_DisplayConnection)()); |
2331 | } |
2332 | } |
2333 | |
2334 | // ======================================================================= |
2335 | // function : HandleViewEvents |
2336 | // purpose : |
2337 | // ======================================================================= |
2338 | void AIS_ViewController::HandleViewEvents (const Handle(AIS_InteractiveContext)& theCtx, |
2339 | const Handle(V3d_View)& theView) |
2340 | { |
2341 | handleMoveTo (theCtx, theView); |
2342 | |
2343 | const AIS_WalkDelta aWalk = FetchNavigationKeys (1.0, 1.0); |
2344 | handleCameraActions (theCtx, theView, aWalk); |
2345 | handleViewRedraw (theCtx, theView); |
2346 | |
2347 | // make sure to not process the same events twice |
2348 | myGL.Reset(); |
2349 | myToAskNextFrame = false; |
2350 | } |