160 lines
4.8 KiB
C++
160 lines
4.8 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __inputtouchscreenbase_H__
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#define __inputtouchscreenbase_H__
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#include "input/inputhandler.h"
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#include "util/fixedarray.h"
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#include "input/inputeventtypes.h"
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namespace Input
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{
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class InputTouchScreenBase : public Input::InputHandler
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{
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__DeclareClass(InputTouchScreenBase);
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public:
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/// constructor
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InputTouchScreenBase();
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/// destructor
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virtual ~InputTouchScreenBase();
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/// return true if nth Finger is currently pressed
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bool FingerPressing(const IndexT nPointer = 0) const;
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/// return true if nth Finger was down at least once in current frame
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bool FingerDown(const IndexT nPointer = 0) const;
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/// return true if nth Finger was up at least once in current frame
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bool FingerUp(const IndexT nPointer = 0) const;
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/// get current absolute nth Finger position (in pixels)
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const Math::float2& GetPixelPosition(const IndexT nPointer = 0) const;
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/// get current screen space nth Finger position (0.0 .. 1.0)
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const Math::float2& GetScreenPosition(const IndexT nPointer = 0) const;
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/// get nth Finger movement
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const Math::float2& GetMovement(const IndexT nPointer = 0) const;
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int GetTouchCount();
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int GetTouchID(int index);
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int GetCurrentEventCount() const;
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TouchEvent GetCurrentEvent(int index) const;
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protected:
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/// called when the handler is attached to the input server
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virtual void OnAttach(const GPtr<InputServerBase>& inputServer);
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/// called on InputServer::BeginFrame()
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virtual void OnBeginFrame();
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/// called when an input event should be processed
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virtual bool OnEvent(const Input::InputEvent& inputEvent);
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/// reset the input handler
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virtual void OnReset();
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private:
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/// update finger position members
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void UpdateFingerPositions(const Math::float2& pixelPos, const Math::float2& screenPos, const IndexT nPointer = 0);
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void PointerIdHelper(const IndexT& id, const Math::float2& pixelPos, const Math::float2& screenPos);
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struct FingerState
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{
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public:
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/// constructor
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FingerState() : pressed(false), down(false), up(false)
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{
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};
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bool pressed;
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bool down;
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bool up;
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};
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Util::Dictionary<IndexT, Math::float2 > m_PixelPositions;
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Util::Dictionary<IndexT, Math::float2 > m_ScreenPositions;
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Util::Dictionary<IndexT, Math::float2 > m_Movements;
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bool m_bInitialMovement;
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protected:
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Util::Dictionary<IndexT, FingerState> m_FingerStates;
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Util::Array<TouchEvent> m_CurrentEvents;
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};
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inline bool InputTouchScreenBase::FingerPressing(const IndexT nPointer /* = 0 */) const
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{
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return m_FingerStates[nPointer].pressed;
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}
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inline bool InputTouchScreenBase::FingerDown(const IndexT nPointer /* = 0 */) const
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{
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return m_FingerStates[nPointer].down;
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}
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inline bool InputTouchScreenBase::FingerUp(const IndexT nPointer /* = 0 */) const
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{
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return m_FingerStates[nPointer].up;
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}
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inline const Math::float2& InputTouchScreenBase::GetPixelPosition(const IndexT nPointer /* = 0 */) const
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{
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return m_PixelPositions[nPointer];
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}
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inline const Math::float2& InputTouchScreenBase::GetScreenPosition(const IndexT nPointer /* = 0 */) const
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{
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return m_ScreenPositions[nPointer];
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}
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inline const Math::float2& InputTouchScreenBase::GetMovement(const IndexT nPointer /* = 0 */) const
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{
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return m_Movements[nPointer];
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}
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inline int InputTouchScreenBase::GetTouchCount()
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{
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return m_ScreenPositions.Size();
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}
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inline int InputTouchScreenBase::GetTouchID( int index )
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{
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return m_ScreenPositions.KeyAtIndex(index);
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}
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inline int InputTouchScreenBase::GetCurrentEventCount() const
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{
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return m_CurrentEvents.Size();
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}
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inline TouchEvent InputTouchScreenBase::GetCurrentEvent(int index) const
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{
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return m_CurrentEvents[index];
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}
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}
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#endif |