GUIInputUnixMouse.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUI_INPUT_UNIX_MOUSE_H
#define GUI_INPUT_UNIX_MOUSE_H
 
#include "eC_Types.h"
#include "GUIInputMedia.h"
#include "GUITrace.h"
#include "GUI.h"
 
#include "GUIThread.h"
#include "eC_TList_doubleLinked.h"
#include "eC_Semaphore.h"
 
class CGUIEvent;
class CGUIInputUnixMouse;
 
class CGUIInputThreadDeviceUnix_Mouse : public CGUIThread
{
public:
    CGUIInputThreadDeviceUnix_Mouse(CGUIInputUnixMouse* pkInputDevice, const char* cpcMDevice);
 
    ~CGUIInputThreadDeviceUnix_Mouse();
 
    void SetInvertYAxis(const eC_Bool& bInvertYAxis);
 
    void SetSize(const eC_Int& iSizeX, const eC_Int& iSizeY);
    
    void Execute(void *pArg);
 
    eC_Bool GetMouseData(eC_Int& iDeltaX, eC_Int& iDeltaY, eC_Bool& bLeftButtonPressed);
 
private:
    CGUIInputUnixMouse* m_pkInputDevice;
 
    eC_Int m_iTouchscreenWidth;
    eC_Int m_iTouchscreenHeight;
 
    eC_Int m_iMouseDevice; 
 
    eC_Int m_iMouseAbsPosX; 
    eC_Int m_iMouseAbsPosY; 
 
    eC_Bool m_bLeftButtonState; 
 
    eC_Bool m_bInvertYAxis; 
};
 
class CGUIInputUnixMouse : public CGUIInputMedia
{
public:
    static void CreateInstance(
        const char* cpcMDevice,
        const eC_Int& iMouseMaxPosX = 0,
        const eC_Int& iMouseMaxPosY = 0,
        const eC_Bool& bInvertYAxis = false);
 
    virtual void PollEvent();
 
    virtual void StopIdle();
 
    eC_TListDoubleLinked<CGUIEvent*>& GetEventQueue();
 
    void LockSemaphore();
 
    void UnlockSemaphore();
 
    pthread_cond_t* GetInputEventCond();
 
    virtual void SetSize(const eC_Int& iSizeX, const eC_Int& iSizeY);
 
protected:
    CGUIInputUnixMouse(
        const char* cpcMDevice,
        const eC_Int& iMouseMaxPosX,
        const eC_Int& iMouseMaxPosY,
        const eC_Bool& bInvertYAxis);
    ~CGUIInputUnixMouse();
 
private:
    CGUIInputUnixMouse(const CGUIInputUnixMouse& kSource);
 
    CGUIInputUnixMouse& operator=(const CGUIInputUnixMouse& kSource);
 
private:
    const char* m_pcMouseDevice;
 
    CGUIInputThreadDeviceUnix_Mouse* m_pkMouseThread;
 
    eC_TListDoubleLinked<CGUIEvent*> m_kEventQueue;
    eC_Semaphore m_kEventQueueSemaphore;
 
    pthread_cond_t m_kInputEventCond;
    pthread_mutex_t m_kInputEventMutex;
 
};
#endif // GUI_INPUT_UNIX_MOUSE_H