X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/519cb848a8f4c91c73421bb75314754284e593a4..1a33ac8fb0f5e43c89bd698618d554c6f7b8b452:/include/wx/mac/dnd.h diff --git a/include/wx/mac/dnd.h b/include/wx/mac/dnd.h index e3a149ed85..989a977628 100644 --- a/include/wx/mac/dnd.h +++ b/include/wx/mac/dnd.h @@ -1,22 +1,26 @@ /////////////////////////////////////////////////////////////////////////////// // Name: dnd.h // Purpose: Declaration of the wxDropTarget, wxDropSource class etc. -// Author: AUTHOR +// Author: Stefan Csomor // RCS-ID: $Id$ -// Copyright: (c) 1998 AUTHOR +// Copyright: (c) 1998 Stefan Csomor // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_DND_H_ #define _WX_DND_H_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "dnd.h" #endif +#if wxUSE_DRAG_AND_DROP + #include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" +#include "wx/string.h" +#include "wx/dataobj.h" #include "wx/cursor.h" //------------------------------------------------------------------------- @@ -25,214 +29,86 @@ class WXDLLEXPORT wxWindow; -class WXDLLEXPORT wxDataObject; -class WXDLLEXPORT wxTextDataObject; -class WXDLLEXPORT wxFileDataObject; - class WXDLLEXPORT wxDropTarget; class WXDLLEXPORT wxTextDropTarget; class WXDLLEXPORT wxFileDropTarget; class WXDLLEXPORT wxDropSource; -//------------------------------------------------------------------------- -// wxDataObject -//------------------------------------------------------------------------- - -class WXDLLEXPORT wxDataObject: public wxObject -{ -public: - // all data formats (values are the same as in windows.h, do not change!) - enum StdFormat - { - Invalid, - Text, - Bitmap, - MetafilePict, - Sylk, - Dif, - Tiff, - OemText, - Dib, - Palette, - Pendata, - Riff, - Wave, - UnicodeText, - EnhMetafile, - Hdrop, - Locale, - Max - }; - - // function to return symbolic name of clipboard format (debug messages) - static const char *GetFormatName(wxDataFormat format); - - // ctor & dtor - wxDataObject() {}; - ~wxDataObject() {}; - - // pure virtuals to override - // get the best suited format for our data - virtual wxDataFormat GetPreferredFormat() const = 0; - // decide if we support this format (should be one of values of - // StdFormat enumerations or a user-defined format) - virtual bool IsSupportedFormat(wxDataFormat format) const = 0; - // get the (total) size of data - virtual size_t GetDataSize() const = 0; - // copy raw data to provided pointer - virtual void GetDataHere(void *pBuf) const = 0; - -}; - // ---------------------------------------------------------------------------- -// wxTextDataObject is a specialization of wxDataObject for text data +// macros // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTextDataObject : public wxDataObject -{ -public: - // ctors - wxTextDataObject() { } - wxTextDataObject(const wxString& strText) : m_strText(strText) { } - void Init(const wxString& strText) { m_strText = strText; } - - // implement base class pure virtuals - virtual wxDataFormat GetPreferredFormat() const - { return wxDF_TEXT; } - virtual bool IsSupportedFormat(wxDataFormat format) const - { return format == wxDF_TEXT; } - virtual size_t GetDataSize() const - { return m_strText.Len() + 1; } // +1 for trailing '\0'of course - virtual void GetDataHere(void *pBuf) const - { memcpy(pBuf, m_strText.c_str(), GetDataSize()); } - -private: - wxString m_strText; - -}; - -// ---------------------------------------------------------------------------- -// wxFileDataObject is a specialization of wxDataObject for file names -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxFileDataObject : public wxDataObject -{ -public: +// this macro may be used instead for wxDropSource ctor arguments: it will use +// the icon 'name' from an XPM file under GTK, but will expand to something +// else under MSW. If you don't use it, you will have to use #ifdef in the +// application code. +#define wxDROP_ICON(X) wxCursor( (const char**) X##_xpm ) - wxFileDataObject(void) { } - void AddFile( const wxString &file ) - { m_files += file; m_files += ";"; } - - // implement base class pure virtuals - virtual wxDataFormat GetPreferredFormat() const - { return wxDF_FILENAME; } - virtual bool IsSupportedFormat(wxDataFormat format) const - { return format == wxDF_FILENAME; } - virtual size_t GetDataSize() const - { return m_files.Len() + 1; } // +1 for trailing '\0'of course - virtual void GetDataHere(void *pBuf) const - { memcpy(pBuf, m_files.c_str(), GetDataSize()); } - -private: - wxString m_files; - -}; //------------------------------------------------------------------------- // wxDropTarget //------------------------------------------------------------------------- -class WXDLLEXPORT wxDropTarget: public wxObject -{ - public: - - wxDropTarget(); - ~wxDropTarget(); - - virtual void OnEnter() { } - virtual void OnLeave() { } - virtual bool OnDrop( long x, long y, const void *pData ) = 0; - -// protected: - - friend class wxWindow; - - // Override these to indicate what kind of data you support: - - virtual size_t GetFormatCount() const = 0; - virtual wxDataFormat GetFormat(size_t n) const = 0; -}; - -//------------------------------------------------------------------------- -// wxTextDropTarget -//------------------------------------------------------------------------- - -class WXDLLEXPORT wxTextDropTarget: public wxDropTarget +class WXDLLEXPORT wxDropTarget: public wxDropTargetBase { public: - wxTextDropTarget() {}; - virtual bool OnDrop( long x, long y, const void *pData ); - virtual bool OnDropText( long x, long y, const char *psz ); - - protected: - - virtual size_t GetFormatCount() const; - virtual wxDataFormat GetFormat(size_t n) const; -}; - -// ---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -// ---------------------------------------------------------------------------- + wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL ); -class WXDLLEXPORT wxFileDropTarget: public wxDropTarget -{ - public: - - wxFileDropTarget() {}; + virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def); + virtual bool OnDrop(wxCoord x, wxCoord y); + virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def); + virtual bool GetData(); - virtual bool OnDrop(long x, long y, const void *pData); - virtual bool OnDropFiles( long x, long y, - size_t nFiles, const char * const aszFiles[]); - - protected: - - virtual size_t GetFormatCount() const; - virtual wxDataFormat GetFormat(size_t n) const; + bool CurrentDragHasSupportedFormat() ; + void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } + void* GetCurrentDrag() { return m_currentDrag ; } + protected : + void* m_currentDrag ; }; //------------------------------------------------------------------------- // wxDropSource //------------------------------------------------------------------------- -enum wxDragResult - { - wxDragError, // error prevented the d&d operation from completing - wxDragNone, // drag target didn't accept the data - wxDragCopy, // the data was successfully copied - wxDragMove, // the data was successfully moved - wxDragCancel // the operation was cancelled by user (not an error) - }; - -class WXDLLEXPORT wxDropSource: public wxObject +class WXDLLEXPORT wxDropSource: public wxDropSourceBase { - public: - - wxDropSource( wxWindow *win ); - wxDropSource( wxDataObject &data, wxWindow *win ); - - ~wxDropSource(void); - - void SetData( wxDataObject &data ); - wxDragResult DoDragDrop( bool bAllowMove = FALSE ); - - virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }; - - protected: - - wxDataObject *m_data; +public: + // ctors: if you use default ctor you must call SetData() later! + // + // NB: the "wxWindow *win" parameter is unused and is here only for wxGTK + // compatibility, as well as both icon parameters + wxDropSource( wxWindow *win = (wxWindow *)NULL, + const wxCursor &cursorCopy = wxNullCursor, + const wxCursor &cursorMove = wxNullCursor, + const wxCursor &cursorStop = wxNullCursor); + + /* constructor for setting one data object */ + wxDropSource( wxDataObject& data, + wxWindow *win, + const wxCursor &cursorCopy = wxNullCursor, + const wxCursor &cursorMove = wxNullCursor, + const wxCursor &cursorStop = wxNullCursor); + + ~wxDropSource(); + + // do it (call this in response to a mouse button press, for example) + // params: if bAllowMove is false, data can be only copied + virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); + + wxWindow* GetWindow() { return m_window ; } + void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } + void* GetCurrentDrag() { return m_currentDrag ; } + bool MacInstallDefaultCursor(wxDragResult effect) ; + protected : + + wxWindow *m_window; + void* m_currentDrag ; }; +#endif + // D&D + #endif //_WX_DND_H_