X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d6086ea66340f82b3a4988c820cb351d128fe0d1..5bd9e5192b0299100b06a1b982d031b87538961b:/include/wx/gtk/dnd.h diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index 3c918bad23..0e76509e1a 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -39,66 +39,6 @@ class wxPrivateDropTarget; class wxDropSource; -//------------------------------------------------------------------------- -// 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 (MSW only) - wxDragCancel // the operation was cancelled by user (not an error) -}; - -class wxDropSource: public wxObject -{ -public: - - /* constructor. set data later with SetData() */ - wxDropSource( wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - - /* constructor for setting one data object */ - wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - - /* constructor for setting several data objects via wxDataBroker */ - wxDropSource( wxDataBroker *data, wxWindow *win ); - - ~wxDropSource(); - - /* set several dataobjects via wxDataBroker */ - void SetData( wxDataBroker *data ); - - /* set one dataobject */ - void SetData( wxDataObject *data ); - - /* start drag action */ - wxDragResult DoDragDrop( bool bAllowMove = FALSE ); - - /* override to give feedback */ - virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; } - - /* GTK implementation */ - - void RegisterWindow(); - void UnregisterWindow(); - - GtkWidget *m_widget; - wxWindow *m_window; - wxDragResult m_retValue; - wxDataBroker *m_data; - - wxCursor m_defaultCursor; - wxCursor m_goaheadCursor; - - wxIcon m_goIcon; - wxIcon m_stopIcon; -}; - -#include "gtk/gtk.h" -#if (GTK_MINOR_VERSION > 0) - //------------------------------------------------------------------------- // wxDropTarget //------------------------------------------------------------------------- @@ -113,15 +53,30 @@ public: /* 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( int x, int y ); - /* has te be overridden to get data */ + /* 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( int x, int y ); + + /* this gets called once the data has actually arrived. get + it with GetData(). this has to be overridden. */ + virtual bool OnData( int x, int y ); + + /* called from within OnDrop() to request a certain format + from the drop event. */ + bool RequestData( wxDataFormat format ); - /* called to query formats available */ + /* called to query what formats are available */ bool IsSupported( wxDataFormat format ); - /* fill data with data on the clipboard (if available) */ + /* fill data with data from the dragging source */ bool GetData( wxDataObject *data ); // implementation @@ -129,10 +84,16 @@ public: void RegisterWidget( GtkWidget *widget ); void UnregisterWidget( GtkWidget *widget ); - GdkDragContext *m_dragContext; + 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; } - GdkDragContext *GetDragContext() { return m_dragContext; } + void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; } + void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; } + void SetDragTime( guint time ) { m_dragTime = time; } }; //------------------------------------------------------------------------- @@ -147,9 +108,10 @@ public: virtual bool OnMove( int x, int y ); virtual bool OnDrop( int x, int y ); + virtual bool OnData( int x, int y ); /* you have to override OnDropData to get at the text */ - virtual bool OnDropText( int x, int y, const char *text ) = 0; + virtual bool OnDropText( int x, int y, const wxChar *text ) = 0; }; @@ -169,6 +131,7 @@ public: virtual bool OnMove( int x, int y ); virtual bool OnDrop( int x, int y ); + virtual bool OnData( int x, int y ); /* you have to override OnDropData to get at the data */ virtual bool OnDropData( int x, int y, void *data, size_t size ) = 0; @@ -197,111 +160,72 @@ public: virtual bool OnMove( int x, int y ); virtual bool OnDrop( int x, int y ); + virtual bool OnData( int x, int y ); /* you have to override OnDropFiles to get at the file names */ - virtual bool OnDropFiles( int x, int y, size_t nFiles, const char * const aszFiles[] ) = 0; - -}; - -#else - -//------------------------------------------------------------------------- -// wxDropTarget -//------------------------------------------------------------------------- - -class wxDropTarget: public wxObject -{ - public: + virtual bool OnDropFiles( int x, int y, size_t nFiles, const wxChar * const aszFiles[] ) = 0; - wxDropTarget(); - ~wxDropTarget(); - - virtual void OnEnter() { } - virtual void OnLeave() { } - virtual void OnMouseMove( long WXUNUSED(x), long WXUNUSED(y) ) { } - 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; - - // implementation - - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); - - wxDataFormat *m_format; }; //------------------------------------------------------------------------- -// wxTextDropTarget +// wxDropSource //------------------------------------------------------------------------- -class wxTextDropTarget: public wxDropTarget +enum wxDragResult { - public: - - wxTextDropTarget(); - virtual bool OnDrop( long x, long y, const void *data, size_t size ); - virtual bool OnDropText( long x, long y, const char *psz ); - - protected: - - virtual size_t GetFormatCount() const; + 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 (MSW only) + wxDragCancel // the operation was cancelled by user (not an error) }; -//------------------------------------------------------------------------- -// wxPrivateDropTarget -//------------------------------------------------------------------------- - -class wxPrivateDropTarget: public wxDropTarget +class wxDropSource: public wxObject { 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 "application/wxword" or - // "image/png". + /* constructor. set data later with SetData() */ + wxDropSource( wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - void SetId( const wxString& id ); + /* constructor for setting one data object */ + wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - wxString GetId() - { return m_id; } - -private: + /* constructor for setting several data objects via wxDataBroker */ + wxDropSource( wxDataBroker *data, wxWindow *win ); - virtual size_t GetFormatCount() const; + ~wxDropSource(); - wxString m_id; -}; + /* set several dataobjects via wxDataBroker */ + void SetData( wxDataBroker *data ); -//---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -//---------------------------------------------------------------------------- + /* set one dataobject */ + void SetData( wxDataObject *data ); -class wxFileDropTarget: public wxDropTarget -{ - public: - - wxFileDropTarget(); + /* start drag action */ + wxDragResult DoDragDrop( bool bAllowMove = FALSE ); - 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: + /* override to give feedback */ + virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; } - virtual size_t GetFormatCount() const; + /* GTK implementation */ + + void RegisterWindow(); + void UnregisterWindow(); + + GtkWidget *m_widget; + wxWindow *m_window; + wxDragResult m_retValue; + wxDataBroker *m_data; + + wxCursor m_defaultCursor; + wxCursor m_goaheadCursor; + + wxIcon m_goIcon; + wxIcon m_stopIcon; + + bool m_waiting; }; -#endif - - #endif // wxUSE_DRAG_AND_DROP