GUIClipboard.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 GUICLIPBOARD__H_
#define GUICLIPBOARD__H_
 
#include "eC_String.h"
 
#include "GUIComponentManager.h"
 
#if (defined(eC_TARGET_CPU_X86) ||defined(eC_TARGET_CPU_X64)) && defined(eC_TARGET_ENV_LINUX)
#define LINUX_DESKTOP
#endif
 
// For clipboard access under linux X11 desktop
#if defined(LINUX_DESKTOP)
#include "GUIThread.h"
#include <X11/Xmu/Atoms.h>  // XrmOptionDescRec, Atoms, ...
 
// GUIThread for handle copy to clipboard
class CClipboardThread : public CGUIThread
{
public:
    CClipboardThread();
 
    void Execute(void * pArg);
 
    void SetClipboardString(const eC_String & kStr);
private:
    int SetX11Clipboard(Display * pkDisplay,
                        Window * kWindow,
                        XEvent xeEvent,
                        Atom * pxaProperty, Atom xaTarget,
                        unsigned char * pucText, unsigned long ulLength, unsigned long * pulPosition,
                        unsigned int * puiContext);
 
    eC_String m_kStrClipboard;     // String with content for clipboard
};
#endif
 
#define GET_CLIPBOARD CGUIComponentManager::GetInstance().GetClipboard()
 
 
class CGUIClipboard
{
    friend class CGUIComponentManager; 
 
public:
    static void CreateInstance();
 
    static void DeleteInstance();
 
    void PutString(const eC_String& kStr);
 
    eC_String GetString() const;
 
    void ClearClipboard();
 
private:
    CGUIClipboard();
 
    virtual ~CGUIClipboard(void);
 
    CGUIClipboard(const CGUIClipboard& kSource);
 
    CGUIClipboard& operator=(const CGUIClipboard& kSource);
 
#if defined(LINUX_DESKTOP)
    int GetX11Clipboard(Display * pkDisplay,
        Window kWindow,
        XEvent xeEvent,
        Atom sel, Atom xaTarget,
        unsigned char ** ppucText, unsigned long * pulLength,
        unsigned int * uiContext) const;
#endif
 
private:
    eC_String m_kClipboardString;
 
#if defined(LINUX_DESKTOP)
    Display * m_pkDisplay;  // X11 display pointer
 
    Window m_kWindow;       // X11 window
 
    CClipboardThread * m_pkSetX11ClipboardThread;   // Handle copy to X11 clipboard
#endif
};
#endif