X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4e76e0d7e4c1be878e125df31dc9370bb0fa99e..8366ae934aab9f835747b0c2e456231e8795fe78:/include/wx/clipbrd.h diff --git a/include/wx/clipbrd.h b/include/wx/clipbrd.h index 91ff846700..25c9b7f806 100644 --- a/include/wx/clipbrd.h +++ b/include/wx/clipbrd.h @@ -1,15 +1,140 @@ -#ifndef __CLIPBRDH_BASE__ -#define __CLIPBRDH_BASE__ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/clipbrd.h +// Purpose: wxClipboad class and clipboard functions +// Author: Vadim Zeitlin +// Modified by: +// Created: 19.10.99 +// RCS-ID: $Id$ +// Copyright: (c) wxWindows Team +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + +#ifndef _WX_CLIPBRD_H_BASE_ +#define _WX_CLIPBRD_H_BASE_ + +#ifdef __GNUG__ + #pragma interface "clipboardbase.h" +#endif + +#include "wx/defs.h" + +#if wxUSE_CLIPBOARD + + +#include "wx/object.h" +#include "wx/wxchar.h" + +class WXDLLEXPORT wxDataFormat; +class WXDLLEXPORT wxDataObject; + +// ---------------------------------------------------------------------------- +// 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 ) { } + +}; + +// ---------------------------------------------------------------------------- +// include platform-specific class declaration +// ---------------------------------------------------------------------------- #if defined(__WXMSW__) -#include "wx/msw/clipbrd.h" + #include "wx/msw/clipbrd.h" #elif defined(__WXMOTIF__) -#include "wx/xt/clipbrd.h" + #include "wx/motif/clipbrd.h" #elif defined(__WXGTK__) -#include "wx/gtk/clipbrd.h" -#elif defined(__WXQT__) -#include "wx/gtk/clipbrd.h" + #include "wx/gtk/clipbrd.h" +#elif defined(__WXMGL__) + #include "wx/mgl/clipbrd.h" +#elif defined(__WXMAC__) + #include "wx/mac/clipbrd.h" +#elif defined(__WXPM__) + #include "wx/os2/clipbrd.h" +#elif defined(__WXSTUBS__) + #include "wx/stubs/clipbrd.h" #endif -#endif - // __CLIPBRDH_BASE__ +// ---------------------------------------------------------------------------- +// globals +// ---------------------------------------------------------------------------- + +// The global clipboard object +WXDLLEXPORT_DATA(extern wxClipboard *) wxTheClipboard; + +// ---------------------------------------------------------------------------- +// 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; +}; + +#endif // wxUSE_CLIPBOARD + +#endif // _WX_CLIPBRD_H_BASE_