#pragma interface
#endif
-#include "wx/defs.h"
-
#if wxUSE_DRAG_AND_DROP
#include "wx/object.h"
class wxDropTarget;
class wxTextDropTarget;
class wxFileDropTarget;
-class wxPrivateDropTarget;
class wxDropSource;
// wxDropTarget
//-------------------------------------------------------------------------
-class wxDropTarget: public wxObject
+class wxDropTarget: public wxDropTargetBase
{
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( int x, int 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( 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 what formats are available */
- bool IsSupported( wxDataFormat format );
-
- /* fill data with data from the dragging source */
- bool GetData( wxDataObject *data );
-
-// 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; }
+ wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
+
+ virtual bool OnEnter(wxCoord x, wxCoord y) ;
+ virtual bool OnMove(wxCoord x, wxCoord y);
+ virtual bool OnDrop(wxCoord x, wxCoord y);
+ virtual bool OnData(wxCoord x, wxCoord y);
+ virtual bool GetData();
+
+ // implementation
+
+ GdkAtom GetMatchingPair();
+ 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
-//-------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// A simple wxDropTarget derived class for text data: you only need to
+// override OnDropText() to get something working
+// ----------------------------------------------------------------------------
-class wxTextDropTarget: public wxDropTarget
+class wxTextDropTarget : public wxDropTarget
{
public:
+ wxTextDropTarget();
- wxTextDropTarget() {}
+ virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& text) = 0;
- 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 wxChar *text ) = 0;
-
-};
-
-//-------------------------------------------------------------------------
-// wxPrivateDropTarget
-//-------------------------------------------------------------------------
-
-class wxPrivateDropTarget: public wxDropTarget
-{
-public:
-
- /* sets id to "application/myprogram" where "myprogram" is the
- same as wxApp->GetAppName() */
- wxPrivateDropTarget();
- /* see SetId() below for explanation */
- wxPrivateDropTarget( const wxString &id );
-
- 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;
-
- /* 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". */
- void SetId( const wxString& id ) { m_id = id; }
- wxString GetId() { return m_id; }
-
-private:
-
- wxString m_id;
+ virtual bool OnData(wxCoord x, wxCoord y);
};
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// A drop target which accepts files (dragged from File Manager or Explorer)
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
-class wxFileDropTarget: public wxDropTarget
+class wxFileDropTarget : public wxDropTarget
{
public:
-
- wxFileDropTarget() {}
-
- 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 wxChar * const aszFiles[] ) = 0;
+ wxFileDropTarget();
+
+ // parameters are the number of files and the array of file names
+ virtual bool OnDropFiles(wxCoord x, wxCoord y,
+ const wxArrayString& filenames) = 0;
+ virtual bool OnData(wxCoord x, wxCoord y);
};
//-------------------------------------------------------------------------
// 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
+class 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, 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 );
+ /* constructor for setting one data object */
+ wxDropSource( wxDataObject& data,
+ wxWindow *win,
+ const wxIcon &go = wxNullIcon,
+ const wxIcon &stop = wxNullIcon );
- ~wxDropSource();
-
- /* set several dataobjects via wxDataBroker */
- void SetData( wxDataBroker *data );
+ ~wxDropSource();
- /* set one dataobject */
- void SetData( wxDataObject *data );
+ /* start drag action */
+ virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE );
+
+ /* GTK implementation */
+ void RegisterWindow();
+ void UnregisterWindow();
- /* 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;
-
+
bool m_waiting;
};
// wxUSE_DRAG_AND_DROP
-#endif
+#endif
//__GTKDNDH__
projects / wxWidgets.git / blobdiff