pcsx2/3rdparty/wxwidgets3.0-3.0.1/include/wx/gtk/clipbrd.h

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4.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/clipbrd.h
// Purpose: wxClipboard for wxGTK
// Author: Robert Roebling, Vadim Zeitlin
// Copyright: (c) 1998 Robert Roebling
// (c) 2007 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_CLIPBOARD_H_
#define _WX_GTK_CLIPBOARD_H_
// ----------------------------------------------------------------------------
// wxClipboard
// ----------------------------------------------------------------------------
#include "wx/weakref.h"
class WXDLLIMPEXP_CORE wxClipboard : public wxClipboardBase
{
public:
// there are several clipboards in X11 (and in GDK)
enum Kind
{
Primary,
Clipboard
};
wxClipboard();
virtual ~wxClipboard();
// open the clipboard before SetData() and GetData()
virtual bool Open();
// close the clipboard after SetData() and GetData()
virtual void Close();
// query whether the clipboard is opened
virtual bool IsOpened() const;
// set the clipboard data. all other formats will be deleted.
virtual bool SetData( wxDataObject *data );
// add to the clipboard data.
virtual bool AddData( wxDataObject *data );
// ask if data in correct format is available
virtual bool IsSupported( const wxDataFormat& format );
// 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 );
// clears wxTheClipboard and the system's clipboard if possible
virtual void Clear();
// implementation from now on
// --------------------------
// get our clipboard item (depending on m_usePrimary value)
GdkAtom GTKGetClipboardAtom() const;
// get the data object currently being requested
wxDataObject *GTKGetDataObject( GdkAtom atom );
// clear the data for the given clipboard kind
void GTKClearData(Kind kind);
// called when selection data is received
void GTKOnSelectionReceived(const GtkSelectionData& sel);
// called when available target information is received
bool GTKOnTargetReceived(const wxDataFormat& format);
private:
// the data object for the specific selection
wxDataObject *& Data(Kind kind)
{
return kind == Primary ? m_dataPrimary : m_dataClipboard;
}
// the data object we're currently using
wxDataObject *& Data()
{
return Data(m_usePrimary ? Primary : Clipboard);
}
// set or unset selection ownership
bool SetSelectionOwner(bool set = true);
// add atom to the list of supported targets
void AddSupportedTarget(GdkAtom atom);
// check if the given format is supported
bool DoIsSupported(const wxDataFormat& format);
// both of these pointers can be non-NULL simultaneously but we only use
// one of them at any moment depending on m_usePrimary value, use Data()
// (from inside) or GTKGetDataObject() (from outside) accessors
wxDataObject *m_dataPrimary,
*m_dataClipboard;
// this is used to temporarily hold the object passed to our GetData() so
// that GTK callbacks could access it
wxDataObject *m_receivedData;
// used to pass information about the format we need from DoIsSupported()
// to GTKOnTargetReceived()
GdkAtom m_targetRequested;
GtkWidget *m_clipboardWidget; // for getting and offering data
GtkWidget *m_targetsWidget; // for getting list of supported formats
// ID of the connection to "selection_get" signal, initially 0.
unsigned long m_idSelectionGetHandler;
bool m_open;
bool m_formatSupported;
public:
// async stuff
wxEvtHandlerRef m_sink;
private:
GtkWidget *m_targetsWidgetAsync; // for getting list of supported formats
DECLARE_DYNAMIC_CLASS(wxClipboard)
};
#endif // _WX_GTK_CLIPBOARD_H_