pcsx2/3rdparty/wxwidgets3.0/include/wx/clipbrd.h

205 lines
6.2 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/clipbrd.h
// Purpose: wxClipboad class and clipboard functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 19.10.99
// 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/event.h"
#include "wx/chartype.h"
#include "wx/dataobj.h" // for wxDataFormat
#include "wx/vector.h"
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 WXDLLIMPEXP_CORE wxClipboardBase : public wxObject
{
public:
wxClipboardBase() { m_usePrimary = false; }
// 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;
// ask if data in correct format is available
virtual bool IsSupportedAsync( wxEvtHandler *sink );
// 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; }
// this allows to choose whether we work with CLIPBOARD (default) or
// PRIMARY selection on X11-based systems
//
// on the other ones, working with primary selection does nothing: this
// allows to write code which sets the primary selection when something is
// selected without any ill effects (i.e. without overwriting the
// clipboard which would be wrong on the platforms without X11 PRIMARY)
virtual void UsePrimarySelection(bool usePrimary = false)
{
m_usePrimary = usePrimary;
}
// return true if we're using primary selection
bool IsUsingPrimarySelection() const { return m_usePrimary; }
// Returns global instance (wxTheClipboard) of the object:
static wxClipboard *Get();
// don't use this directly, it is public for compatibility with some ports
// (wxX11, wxMotif, ...) only
bool m_usePrimary;
};
// ----------------------------------------------------------------------------
// asynchronous clipboard event
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxClipboardEvent : public wxEvent
{
public:
wxClipboardEvent(wxEventType evtType = wxEVT_NULL)
: wxEvent(0, evtType)
{
}
wxClipboardEvent(const wxClipboardEvent& event)
: wxEvent(event),
m_formats(event.m_formats)
{
}
bool SupportsFormat(const wxDataFormat& format) const;
void AddFormat(const wxDataFormat& format);
virtual wxEvent *Clone() const
{
return new wxClipboardEvent(*this);
}
protected:
wxVector<wxDataFormat> m_formats;
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxClipboardEvent)
};
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_CLIPBOARD_CHANGED, wxClipboardEvent );
typedef void (wxEvtHandler::*wxClipboardEventFunction)(wxClipboardEvent&);
#define wxClipboardEventHandler(func) \
wxEVENT_HANDLER_CAST(wxClipboardEventFunction, func)
#define EVT_CLIPBOARD_CHANGED(func) wx__DECLARE_EVT0(wxEVT_CLIPBOARD_CHANGED, wxClipboardEventHandler(func))
// ----------------------------------------------------------------------------
// 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(__WXMAC__)
#include "wx/osx/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 WXDLLIMPEXP_CORE wxClipboardLocker
{
public:
wxClipboardLocker(wxClipboard *clipboard = 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;
wxDECLARE_NO_COPY_CLASS(wxClipboardLocker);
};
#endif // wxUSE_CLIPBOARD
#endif // _WX_CLIPBRD_H_BASE_