X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e2896e5c8944c5f5227fa080e1b781c4a6f2600..3b49331b7441e091fc5997b830801d76a1243f28:/include/wx/gtk1/dnd.h?ds=sidebyside diff --git a/include/wx/gtk1/dnd.h b/include/wx/gtk1/dnd.h index c67cb053e8..9330bdde9a 100644 --- a/include/wx/gtk1/dnd.h +++ b/include/wx/gtk1/dnd.h @@ -1,20 +1,15 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dnd.h +// Name: wx/gtk1/dnd.h // Purpose: declaration of the wxDropTarget class // Author: Robert Roebling // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// - #ifndef __GTKDNDH__ #define __GTKDNDH__ -#ifdef __GNUG__ -#pragma interface -#endif - #if wxUSE_DRAG_AND_DROP #include "wx/object.h" @@ -28,188 +23,108 @@ // classes //------------------------------------------------------------------------- -class wxWindow; - -class wxDropTarget; -class wxTextDropTarget; -class wxFileDropTarget; -class wxPrivateDropTarget; - -class wxDropSource; - -//------------------------------------------------------------------------- -// wxDropTarget -//------------------------------------------------------------------------- - -class wxDropTarget: public wxObject -{ -public: - - wxDropTarget(); - ~wxDropTarget(); - - /* may be overridden to react to events */ - virtual void OnEnter(); - virtual void OnLeave(); - - /* may be overridden to reject certain formats or drops - on certain areas. always returns TRUE by default - indicating that you'd accept the data from the drag. */ - virtual bool OnMove( long x, long y ); - - /* has to be overridden to accept a drop event. call - IsSupported() to ask which formats are available - and then call RequestData() to indicate the format - you request. */ - virtual bool OnDrop( long x, long y ); - - /* this gets called once the data has actually arrived. get - it with GetData(). this has to be overridden. */ - virtual bool OnData( long x, long y ); - - /* called from within OnDrop() to request a certain format - from the drop event. */ - bool RequestData( wxDataFormat format ); - - /* called to query what formats are available */ - bool IsSupported( wxDataFormat format ); - - /* fill data with data from the dragging source */ - bool GetData( wxDataObject *data ); - - virtual size_t GetFormatCount() const = 0; - virtual wxDataFormat GetFormat(size_t n) const = 0; - -// implementation - - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); - - GdkDragContext *m_dragContext; - GtkWidget *m_dragWidget; - GtkSelectionData *m_dragData; - guint m_dragTime; - bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */ - - void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; } - void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; } - void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; } - void SetDragTime( guint time ) { m_dragTime = time; } -}; - -//------------------------------------------------------------------------- -// wxTextDropTarget -//------------------------------------------------------------------------- - -class wxTextDropTarget: public wxDropTarget -{ -public: +class WXDLLIMPEXP_FWD_CORE wxWindow; - wxTextDropTarget() {} +class WXDLLIMPEXP_FWD_CORE wxDropTarget; +class WXDLLIMPEXP_FWD_CORE wxTextDropTarget; +class WXDLLIMPEXP_FWD_CORE wxFileDropTarget; - virtual bool OnData( long x, long y ); +class WXDLLIMPEXP_FWD_CORE wxDropSource; - /* you have to override OnDropData to get at the text */ - virtual bool OnDropText( long x, long y, const wxChar *text ) = 0; +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- - virtual size_t GetFormatCount() const - { return 1; } - virtual wxDataFormat GetFormat(size_t n) const - { return wxDF_TEXT; } -}; +// 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(name) wxICON(name) //------------------------------------------------------------------------- -// wxPrivateDropTarget +// wxDropTarget //------------------------------------------------------------------------- -/* -class wxPrivateDropTarget: public wxDropTarget +class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase { public: + wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL ); - wxPrivateDropTarget(); - wxPrivateDropTarget( const wxString &id ); - - virtual bool OnMove( long x, long y ); - virtual bool OnDrop( long x, long y ); - virtual bool OnData( long x, long y ); + 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 OnDropData( long x, long y, void *data, size_t size ) = 0; + // implementation - void SetId( const wxString& id ) { m_id = id; } - wxString GetId() { return m_id; } + GdkAtom GetMatchingPair(); -private: - - wxString m_id; -}; -*/ + void RegisterWidget( GtkWidget *widget ); + void UnregisterWidget( GtkWidget *widget ); -//---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -//---------------------------------------------------------------------------- - -class wxFileDropTarget: public wxDropTarget -{ -public: + GdkDragContext *m_dragContext; + GtkWidget *m_dragWidget; + GtkSelectionData *m_dragData; + guint m_dragTime; + bool m_firstMotion; // gdk has no "gdk_drag_enter" event - wxFileDropTarget() {} - - virtual bool OnData( long x, long y ); - - virtual bool OnDropFiles( long x, long y, size_t nFiles, const wxChar * const aszFiles[] ) = 0; - - virtual size_t GetFormatCount() const - { return 1; } - virtual wxDataFormat GetFormat(size_t n) const - { return wxDF_FILENAME; } + void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; } + void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; } + void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; } + void SetDragTime( guint time ) { m_dragTime = time; } }; //------------------------------------------------------------------------- // wxDropSource //------------------------------------------------------------------------- -class wxDropSource: public wxObject +class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase { public: - /* constructor. set data later with SetData() */ - wxDropSource( wxWindow *win, - const wxIcon &go = wxNullIcon, - const wxIcon &stop = wxNullIcon ); + // constructor. set data later with SetData() + wxDropSource( wxWindow *win = (wxWindow *)NULL, + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); - /* constructor for setting one data object */ + // constructor for setting one data object wxDropSource( wxDataObject& data, wxWindow *win, - const wxIcon &go = wxNullIcon, - const wxIcon &stop = wxNullIcon ); + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); - ~wxDropSource(); + virtual ~wxDropSource(); - /* start drag action */ - virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE ); + // start drag action + virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); - /* GTK implementation */ + // GTK implementation void RegisterWindow(); void UnregisterWindow(); - GtkWidget *m_widget; - wxWindow *m_window; - wxDragResult m_retValue; - wxDataObject *m_data; + void PrepareIcon( int action, GdkDragContext *context ); - wxCursor m_defaultCursor; - wxCursor m_goaheadCursor; + GtkWidget *m_widget; + GtkWidget *m_iconWindow; + GdkDragContext *m_dragContext; + wxWindow *m_window; - wxIcon m_goIcon; - wxIcon m_stopIcon; + wxDragResult m_retValue; + wxIcon m_iconCopy, + m_iconMove, + m_iconNone; - bool m_waiting; -}; + bool m_waiting; -#endif +private: + // common part of both ctors + void SetIcons(const wxIcon& copy, + const wxIcon& move, + const wxIcon& none); +}; - // wxUSE_DRAG_AND_DROP +#endif // wxUSE_DRAG_AND_DROP -#endif - //__GTKDNDH__ +#endif //__GTKDNDH__