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fix(viz): touch gestures don't work correctly in 3D scene

Didier WECKMANN requested to merge 1111-fix-viz-touch-gestures-don-t-work-correctly-in-3d-scene-2 into dev

Description

Fix touch management in negato 2D/3D.

  • Remove GestureRecognizer, EventFilter, GestureFilter as we rely on default Qt one for Pinch and Pan.
  • Remove Tap and long Tap, as they are no more used, but it should be easy to add them back, if needed.
  • Use synthesized mouse event from Qt gesture, and synthesize the one missing (in SNegato2DCamera)
  • Use float version of device pixel ratio to manage correctly fractional scaling (like 1.5 * full HD)

Closes #1111 (closed)

How to test it?

  • Use a touch screen with SightViewer and try to pinch, pan, use your finger(s)
Edited by Didier WECKMANN

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