43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
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#pragma once
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#include "../../../../devices/IPointer.hpp"
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#include "../GestureTypes.hpp"
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class ITrackpadGesture {
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public:
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virtual ~ITrackpadGesture() = default;
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struct STrackpadGestureBegin {
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// this has update because we wait for the delta
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const IPointer::SSwipeUpdateEvent* swipe = nullptr;
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const IPointer::SPinchUpdateEvent* pinch = nullptr;
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eTrackpadGestureDirection direction = TRACKPAD_GESTURE_DIR_NONE;
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float scale = 1.F;
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};
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struct STrackpadGestureUpdate {
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const IPointer::SSwipeUpdateEvent* swipe = nullptr;
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const IPointer::SPinchUpdateEvent* pinch = nullptr;
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eTrackpadGestureDirection direction = TRACKPAD_GESTURE_DIR_NONE;
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float scale = 1.F;
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};
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struct STrackpadGestureEnd {
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const IPointer::SSwipeEndEvent* swipe = nullptr;
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const IPointer::SPinchEndEvent* pinch = nullptr;
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eTrackpadGestureDirection direction = TRACKPAD_GESTURE_DIR_NONE;
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float scale = 1.F;
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};
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virtual void begin(const STrackpadGestureBegin& e);
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virtual void update(const STrackpadGestureUpdate& e) = 0;
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virtual void end(const STrackpadGestureEnd& e) = 0;
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virtual float distance(const STrackpadGestureBegin& e);
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virtual float distance(const STrackpadGestureUpdate& e);
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virtual bool isDirectionSensitive();
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protected:
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float m_lastPinchScale = 1.F, m_scale = 1.F;
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};
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