146 lines
4.6 KiB
C++
146 lines
4.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/clipbrd.h
|
|
// Purpose: wxClipboad class and clipboard functions
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 19.10.99
|
|
// RCS-ID: $Id: clipbrd.h 49563 2007-10-31 20:46:21Z VZ $
|
|
// Copyright: (c) wxWidgets Team
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_CLIPBRD_H_BASE_
|
|
#define _WX_CLIPBRD_H_BASE_
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#if wxUSE_CLIPBOARD
|
|
|
|
|
|
#include "wx/object.h"
|
|
#include "wx/wxchar.h"
|
|
|
|
class WXDLLIMPEXP_FWD_CORE wxDataFormat;
|
|
class WXDLLIMPEXP_FWD_CORE wxDataObject;
|
|
class WXDLLIMPEXP_FWD_CORE wxClipboard;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxClipboard represents the system clipboard. Normally, you should use
|
|
// wxTheClipboard which is a global pointer to the (unique) clipboard.
|
|
//
|
|
// Clipboard can be used to copy data to/paste data from. It works together
|
|
// with wxDataObject.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxClipboardBase : public wxObject
|
|
{
|
|
public:
|
|
wxClipboardBase() {}
|
|
|
|
// open the clipboard before Add/SetData() and GetData()
|
|
virtual bool Open() = 0;
|
|
|
|
// close the clipboard after Add/SetData() and GetData()
|
|
virtual void Close() = 0;
|
|
|
|
// query whether the clipboard is opened
|
|
virtual bool IsOpened() const = 0;
|
|
|
|
// add to the clipboard data
|
|
//
|
|
// NB: the clipboard owns the pointer and will delete it, so data must be
|
|
// allocated on the heap
|
|
virtual bool AddData( wxDataObject *data ) = 0;
|
|
|
|
// set the clipboard data, this is the same as Clear() followed by
|
|
// AddData()
|
|
virtual bool SetData( wxDataObject *data ) = 0;
|
|
|
|
// ask if data in correct format is available
|
|
virtual bool IsSupported( const wxDataFormat& format ) = 0;
|
|
|
|
// fill data with data on the clipboard (if available)
|
|
virtual bool GetData( wxDataObject& data ) = 0;
|
|
|
|
// clears wxTheClipboard and the system's clipboard if possible
|
|
virtual void Clear() = 0;
|
|
|
|
// flushes the clipboard: this means that the data which is currently on
|
|
// clipboard will stay available even after the application exits (possibly
|
|
// eating memory), otherwise the clipboard will be emptied on exit
|
|
virtual bool Flush() { return false; }
|
|
|
|
// X11 has two clipboards which get selected by this call. Empty on MSW.
|
|
virtual void UsePrimarySelection( bool WXUNUSED(primary) = false ) { }
|
|
|
|
// Returns global instance (wxTheClipboard) of the object:
|
|
static wxClipboard *Get();
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// globals
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// The global clipboard object - backward compatible access macro:
|
|
#define wxTheClipboard (wxClipboard::Get())
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// include platform-specific class declaration
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if defined(__WXMSW__)
|
|
#include "wx/msw/clipbrd.h"
|
|
#elif defined(__WXMOTIF__)
|
|
#include "wx/motif/clipbrd.h"
|
|
#elif defined(__WXGTK20__)
|
|
#include "wx/gtk/clipbrd.h"
|
|
#elif defined(__WXGTK__)
|
|
#include "wx/gtk1/clipbrd.h"
|
|
#elif defined(__WXX11__)
|
|
#include "wx/x11/clipbrd.h"
|
|
#elif defined(__WXMGL__)
|
|
#include "wx/mgl/clipbrd.h"
|
|
#elif defined(__WXMAC__)
|
|
#include "wx/mac/clipbrd.h"
|
|
#elif defined(__WXCOCOA__)
|
|
#include "wx/cocoa/clipbrd.h"
|
|
#elif defined(__WXPM__)
|
|
#include "wx/os2/clipbrd.h"
|
|
#endif
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helpful class for opening the clipboard and automatically closing it
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxClipboardLocker
|
|
{
|
|
public:
|
|
wxClipboardLocker(wxClipboard *clipboard = (wxClipboard *)NULL)
|
|
{
|
|
m_clipboard = clipboard ? clipboard : wxTheClipboard;
|
|
if ( m_clipboard )
|
|
{
|
|
m_clipboard->Open();
|
|
}
|
|
}
|
|
|
|
bool operator!() const { return !m_clipboard->IsOpened(); }
|
|
|
|
~wxClipboardLocker()
|
|
{
|
|
if ( m_clipboard )
|
|
{
|
|
m_clipboard->Close();
|
|
}
|
|
}
|
|
|
|
private:
|
|
wxClipboard *m_clipboard;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxClipboardLocker)
|
|
};
|
|
|
|
#endif // wxUSE_CLIPBOARD
|
|
|
|
#endif // _WX_CLIPBRD_H_BASE_
|