X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e1ee679c2e3f48bc4f2607e35033ed5505ed6665..7dbb435338bce3b3747dcef615e13f80fbff5389:/include/wx/clipbrd.h diff --git a/include/wx/clipbrd.h b/include/wx/clipbrd.h index 6ce90e1982..5399be27d5 100644 --- a/include/wx/clipbrd.h +++ b/include/wx/clipbrd.h @@ -4,8 +4,7 @@ // Author: Vadim Zeitlin // Modified by: // Created: 19.10.99 -// RCS-ID: $Id$ -// Copyright: (c) wxWindows Team +// Copyright: (c) wxWidgets Team // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -16,11 +15,13 @@ #if wxUSE_CLIPBOARD -#include "wx/object.h" -#include "wx/wxchar.h" -class WXDLLEXPORT wxDataFormat; -class WXDLLEXPORT wxDataObject; +#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 @@ -30,53 +31,120 @@ class WXDLLEXPORT wxDataObject; // with wxDataObject. // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxClipboardBase : public wxObject +class WXDLLIMPEXP_CORE wxClipboardBase : public wxObject { public: + wxClipboardBase() { m_usePrimary = false; } + // open the clipboard before Add/SetData() and GetData() - virtual bool Open(); + virtual bool Open() = 0; // close the clipboard after Add/SetData() and GetData() - virtual void Close(); + 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 ); + virtual bool AddData( wxDataObject *data ) = 0; // set the clipboard data, this is the same as Clear() followed by // AddData() - virtual bool SetData( wxDataObject *data ); + virtual bool SetData( wxDataObject *data ) = 0; // ask if data in correct format is available - virtual bool IsSupported( const wxDataFormat& format ); + 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 ); + virtual bool GetData( wxDataObject& data ) = 0; // clears wxTheClipboard and the system's clipboard if possible - virtual void Clear(); + 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; } + 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; +}; - // X11 has two clipboards which get selected by this call. Empty on MSW. - virtual void UsePrimarySelection( bool WXUNUSED(primary) = FALSE ) { } +// ---------------------------------------------------------------------------- +// asynchronous clipboard event +// ---------------------------------------------------------------------------- -#ifdef WXWIN_COMPATIBILITY_2 - // deprecated version - bool GetData(wxDataObject *data) +class WXDLLIMPEXP_CORE wxClipboardEvent : public wxEvent +{ +public: + wxClipboardEvent(wxEventType evtType = wxEVT_NULL) + : wxEvent(0, evtType) { - wxCHECK_MSG(data, FALSE, wxT("NULL pointer in wxClipboard")); + } - return GetData(*data); + wxClipboardEvent(const wxClipboardEvent& event) + : wxEvent(event), + m_formats(event.m_formats) + { } -#endif // WXWIN_COMPATIBILITY_2 + + bool SupportsFormat(const wxDataFormat& format) const; + void AddFormat(const wxDataFormat& format); + + virtual wxEvent *Clone() const + { + return new wxClipboardEvent(*this); + } + + +protected: + wxVector 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 // ---------------------------------------------------------------------------- @@ -85,42 +153,50 @@ public: #include "wx/msw/clipbrd.h" #elif defined(__WXMOTIF__) #include "wx/motif/clipbrd.h" -#elif defined(__WXGTK__) - #include "wx/gtk/clipbrd.h" -#elif defined(__WXQT__) +#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/mac/clipbrd.h" + #include "wx/osx/clipbrd.h" +#elif defined(__WXCOCOA__) + #include "wx/cocoa/clipbrd.h" #elif defined(__WXPM__) #include "wx/os2/clipbrd.h" -#elif defined(__WXSTUBS__) - #include "wx/stubs/clipbrd.h" #endif // ---------------------------------------------------------------------------- -// globals +// helpful class for opening the clipboard and automatically closing it // ---------------------------------------------------------------------------- -// The global clipboard object -WXDLLEXPORT_DATA(extern wxClipboard *) wxTheClipboard; - -// ---------------------------------------------------------------------------- -// wxClipboardModule: module responsible for initializing the global clipboard -// object -// -// NB: IMPLEMENT_DYNAMIC_CLASS() for it is in common/appcmn.cpp -// ---------------------------------------------------------------------------- - -class wxClipboardModule : public wxModule +class WXDLLIMPEXP_CORE wxClipboardLocker { public: - bool OnInit() - { wxTheClipboard = new wxClipboard; } - void OnExit() - { delete wxTheClipboard; wxTheClipboard = (wxClipboard *)NULL; } + 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: - DECLARE_DYNAMIC_CLASS(wxClipboardModule) + wxClipboard *m_clipboard; + + wxDECLARE_NO_COPY_CLASS(wxClipboardLocker); }; #endif // wxUSE_CLIPBOARD