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comparison OrthancStone/Sources/Scene2DViewport/OneGesturePointerTracker.h @ 1606:874e178f34e9

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- ViewportController now has weak ptr to Viewport - Measuring tools + related commands and all trackers now store only a weak_ptr to the Viewport and lock() on demand for usage - LayerHolder and FixedPoint aligner store only a weak_ptr to the Viewport, too - Fixed float/double warning in GrayscaleWindowingSceneTracker
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 28 Oct 2020 20:14:34 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
comparison
equal deleted inserted replaced
1605:b3c439d96d3e 1606:874e178f34e9
49 private: 49 private:
50 bool alive_; 50 bool alive_;
51 int currentTouchCount_; 51 int currentTouchCount_;
52 52
53 protected: 53 protected:
54 boost::shared_ptr<IViewport> viewport_; 54 boost::weak_ptr<IViewport> viewport_;
55
56 /**
57 This will return a scoped lock to the viewport.
58 If the viewport does not exist anymore, then nullptr is returned.
59 */
60 IViewport::ILock* GetViewportLock();
55 61
56 public: 62 public:
57 explicit OneGesturePointerTracker(boost::shared_ptr<IViewport> viewport); 63 explicit OneGesturePointerTracker(boost::weak_ptr<IViewport> viewport);
58 64
59 virtual void PointerUp(const PointerEvent& event) ORTHANC_OVERRIDE; 65 virtual void PointerUp(const PointerEvent& event) ORTHANC_OVERRIDE;
60 66
61 virtual void PointerDown(const PointerEvent& event) ORTHANC_OVERRIDE; 67 virtual void PointerDown(const PointerEvent& event) ORTHANC_OVERRIDE;
62 68