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comparison OrthancStone/Sources/Scene2DViewport/OneGesturePointerTracker.cpp @ 1972:9c0adcc8feec

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refactoring to simplify OneGesturePointerTracker
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 28 Oct 2022 16:21:28 +0200
parents 7053b8a0aaec
children 07964689cb0b
comparison
equal deleted inserted replaced
1971:e5b31d55206d 1972:9c0adcc8feec
27 27
28 #include "../StoneException.h" 28 #include "../StoneException.h"
29 29
30 namespace OrthancStone 30 namespace OrthancStone
31 { 31 {
32 OneGesturePointerTracker::OneGesturePointerTracker(boost::weak_ptr<IViewport> viewport) : 32 OneGesturePointerTracker::OneGesturePointerTracker() :
33 alive_(true), 33 alive_(true),
34 currentTouchCount_(1), 34 currentTouchCount_(1)
35 viewport_(viewport)
36 { 35 {
37 } 36 }
38 37
39 IViewport::ILock* OneGesturePointerTracker::GetViewportLock() 38 void OneGesturePointerTracker::PointerUp(const PointerEvent& event,
40 { 39 const Scene2D& scene)
41 boost::shared_ptr<IViewport> viewport = viewport_.lock();
42 if (viewport)
43 return viewport->Lock();
44 else
45 return NULL;
46 }
47
48 void OneGesturePointerTracker::PointerUp(const PointerEvent& event)
49 { 40 {
50 // pointer up is only called for the LAST up event in case of a multi-touch 41 // pointer up is only called for the LAST up event in case of a multi-touch
51 // gesture 42 // gesture
52 ORTHANC_ASSERT(currentTouchCount_ > 0, "Wrong state in tracker"); 43 ORTHANC_ASSERT(currentTouchCount_ > 0, "Wrong state in tracker");
53 currentTouchCount_--; 44 currentTouchCount_--;
57 //LOG(TRACE) << "currentTouchCount_ == 0 --> alive_ = false"; 48 //LOG(TRACE) << "currentTouchCount_ == 0 --> alive_ = false";
58 alive_ = false; 49 alive_ = false;
59 } 50 }
60 } 51 }
61 52
62 void OneGesturePointerTracker::PointerDown(const PointerEvent& event) 53 void OneGesturePointerTracker::PointerDown(const PointerEvent& event,
54 const Scene2D& scene)
63 { 55 {
64 // additional touches are not taken into account but we need to count 56 // additional touches are not taken into account but we need to count
65 // the number of active touches 57 // the number of active touches
66 currentTouchCount_++; 58 currentTouchCount_++;
67 //LOG(TRACE) << "currentTouchCount_ becomes: " << currentTouchCount_; 59 //LOG(TRACE) << "currentTouchCount_ becomes: " << currentTouchCount_;