X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9b6dbb09746f8f5ee0549a2ff39ae0ac4c725898..dd4e6da0e0abb643e10d3a2c83b063138bec0d69:/include/wx/motif/dnd.h?ds=sidebyside diff --git a/include/wx/motif/dnd.h b/include/wx/motif/dnd.h index 73a97d253c..ee5709d1e4 100644 --- a/include/wx/motif/dnd.h +++ b/include/wx/motif/dnd.h @@ -1,22 +1,22 @@ /////////////////////////////////////////////////////////////////////////////// // Name: dnd.h -// Purpose: Declaration of the wxDropTarget, wxDropSource class etc. +// Purpose: declaration of wxDropTarget, wxDropSource classes // Author: Julian Smart // RCS-ID: $Id$ -// Copyright: (c) 1998 Julian Smart +// Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling, Julian Smart // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_DND_H_ #define _WX_DND_H_ -#ifdef __GNUG__ -#pragma interface "dnd.h" -#endif - #include "wx/defs.h" + +#if wxUSE_DRAG_AND_DROP + #include "wx/object.h" #include "wx/string.h" +#include "wx/dataobj.h" #include "wx/cursor.h" //------------------------------------------------------------------------- @@ -25,142 +25,34 @@ class WXDLLEXPORT wxWindow; -class WXDLLEXPORT wxDataObject; -class WXDLLEXPORT wxTextDataObject; -class WXDLLEXPORT wxFileDataObject; - class WXDLLEXPORT wxDropTarget; class WXDLLEXPORT wxTextDropTarget; class WXDLLEXPORT wxFileDropTarget; +class WXDLLEXPORT wxPrivateDropTarget; 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 -// ---------------------------------------------------------------------------- - -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: - - 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: - +public: + wxDropTarget(); ~wxDropTarget(); virtual void OnEnter() { } virtual void OnLeave() { } - virtual bool OnDrop( long x, long y, const void *pData ) = 0; - -// protected: - - friend wxWindow; + virtual bool OnDrop( long x, long y, const void *data, size_t size ) = 0; // Override these to indicate what kind of data you support: - + virtual size_t GetFormatCount() const = 0; virtual wxDataFormat GetFormat(size_t n) const = 0; + + // implementation }; //------------------------------------------------------------------------- @@ -169,16 +61,46 @@ class WXDLLEXPORT wxDropTarget: public wxObject class WXDLLEXPORT wxTextDropTarget: public wxDropTarget { - public: - +public: + wxTextDropTarget() {}; - virtual bool OnDrop( long x, long y, const void *pData ); + virtual bool OnDrop( long x, long y, const void *data, size_t size ); virtual bool OnDropText( long x, long y, const char *psz ); - protected: - +protected: + + virtual size_t GetFormatCount() const; + virtual wxDataFormat GetFormat(size_t n) const; +}; + +//------------------------------------------------------------------------- +// wxPrivateDropTarget +//------------------------------------------------------------------------- + +class WXDLLEXPORT wxPrivateDropTarget: public wxDropTarget +{ +public: + + wxPrivateDropTarget(); + + // you have to override OnDrop to get at the data + + // the string ID identifies the format of clipboard or DnD data. a word + // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject + // to the clipboard - the latter with the Id "WXWORD_FORMAT". + + void SetId( const wxString& id ) + { m_id = id; } + + wxString GetId() + { return m_id; } + +private: + virtual size_t GetFormatCount() const; virtual wxDataFormat GetFormat(size_t n) const; + + wxString m_id; }; // ---------------------------------------------------------------------------- @@ -187,16 +109,16 @@ class WXDLLEXPORT wxTextDropTarget: public wxDropTarget class WXDLLEXPORT wxFileDropTarget: public wxDropTarget { - public: +public: wxFileDropTarget() {}; - virtual bool OnDrop(long x, long y, const void *pData); + virtual bool OnDrop( long x, long y, const void *data, size_t size ); virtual bool OnDropFiles( long x, long y, - size_t nFiles, const char * const aszFiles[]); - - protected: - + size_t nFiles, const char * const aszFiles[] ); + +protected: + virtual size_t GetFormatCount() const; virtual wxDataFormat GetFormat(size_t n) const; }; @@ -205,34 +127,47 @@ class WXDLLEXPORT wxFileDropTarget: public wxDropTarget // wxDropSource //------------------------------------------------------------------------- - enum wxDragResult - { +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) - }; + 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 { - public: - +public: + wxDropSource( wxWindow *win ); wxDropSource( wxDataObject &data, wxWindow *win ); ~wxDropSource(void); void SetData( wxDataObject &data ); - wxDragResult DoDragDrop( bool bAllowMove = FALSE ); + wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); - virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }; - - protected: - + virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return true; }; + + // implementation +#if 0 + void RegisterWindow(void); + void UnregisterWindow(void); + + wxWindow *m_window; + wxDragResult m_retValue; wxDataObject *m_data; + + wxCursor m_defaultCursor; + wxCursor m_goaheadCursor; +#endif }; +#endif + +// wxUSE_DRAG_AND_DROP + #endif - //_WX_DND_H_ +//_WX_DND_H_