#pragma interface
#endif
-#include "wx/defs.h"
-
-#ifdef wxUSE_DRAG_AND_DROP
+#if wxUSE_DRAG_AND_DROP
#include "wx/object.h"
#include "wx/string.h"
#include "wx/dataobj.h"
#include "wx/cursor.h"
-
-//-------------------------------------------------------------------------
-// conditional compilation
-//-------------------------------------------------------------------------
-
-#if (GTK_MINOR_VERSION == 1)
-#if (GTK_MICRO_VERSION >= 3)
-#define NEW_GTK_DND_CODE
-#endif
-#endif
+#include "wx/icon.h"
+#include "wx/gdicmn.h"
//-------------------------------------------------------------------------
// classes
class wxDropSource;
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// 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)
+
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
-class wxDropTarget: public wxObject
+class wxDropTarget: public wxDropTargetBase
{
- public:
-
- wxDropTarget();
- ~wxDropTarget();
-
- virtual void OnEnter() { }
- virtual void OnLeave() { }
- 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;
-
+public:
+ wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
+
+ 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();
+
// implementation
-
- void RegisterWidget( GtkWidget *widget );
- void UnregisterWidget( GtkWidget *widget );
-};
-//-------------------------------------------------------------------------
-// wxTextDropTarget
-//-------------------------------------------------------------------------
+ GdkAtom GetMatchingPair();
-class wxTextDropTarget: public wxDropTarget
-{
- 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;
- virtual wxDataFormat GetFormat(size_t n) const;
-};
+ void RegisterWidget( GtkWidget *widget );
+ void UnregisterWidget( GtkWidget *widget );
-// ----------------------------------------------------------------------------
-// A drop target which accepts files (dragged from File Manager or Explorer)
-// ----------------------------------------------------------------------------
+ GdkDragContext *m_dragContext;
+ GtkWidget *m_dragWidget;
+ GtkSelectionData *m_dragData;
+ guint m_dragTime;
+ bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */
-class wxFileDropTarget: public wxDropTarget
-{
- public:
-
- wxFileDropTarget() {};
-
- 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:
-
- virtual size_t GetFormatCount() const;
- virtual wxDataFormat GetFormat(size_t n) const;
+ 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
//-------------------------------------------------------------------------
-enum wxDragResult
+class wxDropSource: public wxDropSourceBase
{
- 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 wxDropSource: public wxObject
-{
- 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; };
-
- // implementation
-
- void RegisterWindow(void);
- void UnregisterWindow(void);
-
- GtkWidget *m_widget;
- wxWindow *m_window;
- wxDragResult m_retValue;
- wxDataObject *m_data;
-
- wxCursor m_defaultCursor;
- wxCursor m_goaheadCursor;
+public:
+ /* 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 */
+ wxDropSource( wxDataObject& data,
+ wxWindow *win,
+ const wxIcon © = wxNullIcon,
+ const wxIcon &move = wxNullIcon,
+ const wxIcon &none = wxNullIcon);
+
+ ~wxDropSource();
+
+ /* start drag action */
+ virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE );
+
+ /* GTK implementation */
+ void RegisterWindow();
+ void UnregisterWindow();
+
+ void PrepareIcon( int action, GdkDragContext *context );
+
+ GtkWidget *m_widget;
+ GtkWidget *m_iconWindow;
+ GdkDragContext *m_dragContext;
+ wxWindow *m_window;
+
+ wxDragResult m_retValue;
+ wxIcon m_iconCopy,
+ m_iconMove,
+ m_iconNone;
+
+ bool m_waiting;
+
+private:
+ // common part of both ctors
+ void SetIcons(const wxIcon& copy,
+ const wxIcon& move,
+ const wxIcon& none);
};
#endif
// wxUSE_DRAG_AND_DROP
-#endif
+#endif
//__GTKDNDH__
projects / wxWidgets.git / blobdiff