///////////////////////////////////////////////////////////////////////////////
-// Name: dnd.cpp
+// Name: src/mac/carbon/dnd.cpp
// Purpose: wxDropTarget, wxDropSource implementations
// Author: Stefan Csomor
// Modified by:
#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
-#include "wx/window.h"
-#include "wx/toplevel.h"
-#include "wx/app.h"
-#include "wx/gdicmn.h"
-#include "wx/mac/private.h"
-#ifndef __DARWIN__
- #include <Scrap.h>
-#endif
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/toplevel.h"
+ #include "wx/gdicmn.h"
+#endif // WX_PRECOMP
+#include "wx/mac/private.h"
// ----------------------------------------------------------------------------
// globals
typedef struct
{
- wxWindow* m_currentTargetWindow;
- wxDropTarget* m_currentTarget;
- wxDropSource* m_currentSource;
-}
-MacTrackingGlobals;
+ wxWindow *m_currentTargetWindow;
+ wxDropTarget *m_currentTarget;
+ wxDropSource *m_currentSource;
+ wxDragResult m_result;
+ int m_flags;
+} MacTrackingGlobals;
MacTrackingGlobals gTrackingGlobals;
-void wxMacEnsureTrackingHandlersInstalled() ;
+void wxMacEnsureTrackingHandlersInstalled();
//----------------------------------------------------------------------------
// wxDropTarget
wxDropTarget::wxDropTarget( wxDataObject *data )
: wxDropTargetBase( data )
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
}
-wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x),
- wxCoord WXUNUSED(y),
- wxDragResult def )
+wxDragResult wxDropTarget::OnDragOver(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
return CurrentDragHasSupportedFormat() ? def : wxDragNone;
}
if (m_dataObject == NULL)
return false;
- return CurrentDragHasSupportedFormat() ;
+ return CurrentDragHasSupportedFormat();
}
-wxDragResult wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
- wxDragResult def )
+wxDragResult wxDropTarget::OnData(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
if (m_dataObject == NULL)
return wxDragNone;
bool wxDropTarget::CurrentDragHasSupportedFormat()
{
- bool supported = false ;
+ bool supported = false;
+ if (m_dataObject == NULL)
+ return false;
if ( gTrackingGlobals.m_currentSource != NULL )
{
- wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ;
+ wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject();
if ( data )
{
- size_t formatcount = data->GetFormatCount() ;
+ size_t formatcount = data->GetFormatCount();
wxDataFormat *array = new wxDataFormat[formatcount];
data->GetAllFormats( array );
- for (size_t i = 0; !supported && i < formatcount ; i++)
+ for (size_t i = 0; !supported && i < formatcount; i++)
{
- wxDataFormat format = array[i] ;
+ wxDataFormat format = array[i];
if ( m_dataObject->IsSupported( format ) )
{
- supported = true ;
- break ;
+ supported = true;
+ break;
}
}
- delete [] array ;
+ delete [] array;
}
}
if ( !supported )
{
- UInt16 items ;
- OSErr result;
- ItemReference theItem;
- FlavorType theType ;
- UInt16 flavors = 0 ;
-
- CountDragItems( (DragReference)m_currentDrag, &items );
- for (UInt16 index = 1; index <= items && !supported; ++index)
- {
- flavors = 0 ;
- GetDragItemReferenceNumber( (DragReference)m_currentDrag, index, &theItem );
- CountDragItemFlavors( (DragReference)m_currentDrag, theItem, &flavors );
+ PasteboardRef pasteboard;
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
- {
- result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
- if ( m_dataObject->IsSupportedFormat( wxDataFormat( theType ) ) )
- {
- supported = true ;
- break ;
- }
- }
+ if ( GetDragPasteboard( (DragReference)m_currentDrag, &pasteboard ) == noErr )
+ {
+ supported = m_dataObject->HasDataInPasteboard( pasteboard );
}
}
- return supported ;
+ return supported;
}
bool wxDropTarget::GetData()
if ( !transferred )
{
- UInt16 items ;
- OSErr result;
- ItemReference theItem;
- FlavorType theType ;
- FlavorFlags theFlags;
- UInt16 flavors ;
- bool firstFileAdded = false ;
-
- CountDragItems( (DragReference)m_currentDrag, &items );
- for (UInt16 index = 1; index <= items; ++index)
- {
- flavors = 0 ;
- GetDragItemReferenceNumber( (DragReference)m_currentDrag, index, &theItem );
- CountDragItemFlavors( (DragReference)m_currentDrag, theItem , &flavors );
- wxDataFormat preferredFormat = m_dataObject->GetPreferredFormat( wxDataObject::Set );
- bool hasPreferredFormat = false ;
-
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
- {
- result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
- wxDataFormat format( theType );
- if ( preferredFormat == format )
- {
- hasPreferredFormat = true ;
- break ;
- }
- }
-
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
- {
- result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
- wxDataFormat format( theType ) ;
- if ( (hasPreferredFormat && format == preferredFormat)
- || (!hasPreferredFormat && m_dataObject->IsSupportedFormat( format )))
- {
- result = GetFlavorFlags( (DragReference)m_currentDrag, theItem, theType, &theFlags );
- if (result == noErr)
- {
- Size dataSize ;
- Ptr theData ;
+ PasteboardRef pasteboard;
- GetFlavorDataSize( (DragReference)m_currentDrag, theItem, theType, &dataSize );
- if ( theType == kScrapFlavorTypeText )
- {
- // this increment is only valid for allocating:
- // on the next GetFlavorData call it is reset again to the original value
- dataSize++ ;
- }
- else if ( theType == kScrapFlavorTypeUnicode )
- {
- // this increment is only valid for allocating:
- // on the next GetFlavorData call it is reset again to the original value
- dataSize++ ;
- dataSize++ ;
- }
-
- if (dataSize > 0)
- theData = new char[dataSize];
- else
- theData = NULL;
-
- GetFlavorData( (DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L );
- if ( theType == kScrapFlavorTypeText )
- {
- theData[dataSize] = 0 ;
- m_dataObject->SetData( wxDataFormat(wxDF_TEXT), dataSize , theData );
- }
-#if wxUSE_UNICODE
- else if ( theType == kScrapFlavorTypeUnicode )
- {
- theData[dataSize + 0] =
- theData[dataSize + 1] = 0 ;
- m_dataObject->SetData( wxDataFormat(wxDF_UNICODETEXT), dataSize , theData );
- }
-#endif
- else if ( theType == kDragFlavorTypeHFS )
- {
- wxFileDataObject *fdo = dynamic_cast<wxFileDataObject*>(m_dataObject);
- wxASSERT( fdo != NULL );
-
- if ((theData != NULL) && (fdo != NULL))
- {
- HFSFlavor* theFile = (HFSFlavor*) theData ;
- wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec ) ;
-
- if ( !firstFileAdded )
- {
- // reset file list
- fdo->SetData( 0 , "" ) ;
- firstFileAdded = true ;
- }
-
- if (!name.IsEmpty())
- fdo->AddFile( name ) ;
- }
- }
- else
- {
- m_dataObject->SetData( format, dataSize, theData );
- }
-
- delete [] theData;
- }
- break ;
- }
- }
+ if ( GetDragPasteboard( (DragReference)m_currentDrag, &pasteboard ) == noErr )
+ {
+ transferred = m_dataObject->GetFromPasteboard( pasteboard );
}
}
- return true ;
+ return transferred;
}
//-------------------------------------------------------------------------
const wxCursor &cursorStop)
: wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
m_window = win;
}
const wxCursor &cursorStop)
: wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
SetData( data );
m_window = win;
{
}
+OSStatus wxMacPromiseKeeper(PasteboardRef WXUNUSED(inPasteboard),
+ PasteboardItemID WXUNUSED(inItem),
+ CFStringRef WXUNUSED(inFlavorType),
+ void * WXUNUSED(inContext))
+{
+ OSStatus err = noErr;
+
+ // we might add promises here later, inContext is the wxDropSource*
+
+ return err;
+}
+
wxDragResult wxDropSource::DoDragDrop(int flags)
{
wxASSERT_MSG( m_data, wxT("Drop source: no data") );
- if (!m_data)
- return (wxDragResult) wxDragNone;
- if (m_data->GetFormatCount() == 0)
- return (wxDragResult) wxDragNone;
+ if ((m_data == NULL) || (m_data->GetFormatCount() == 0))
+ return (wxDragResult)wxDragNone;
- OSStatus result;
DragReference theDrag;
RgnHandle dragRegion;
- if ((result = NewDrag(&theDrag)) != noErr)
- return wxDragNone ;
+ OSStatus err = noErr;
+ PasteboardRef pasteboard;
// add data to drag
- size_t formatCount = m_data->GetFormatCount() ;
- wxDataFormat *formats = new wxDataFormat[formatCount] ;
- m_data->GetAllFormats( formats ) ;
- ItemReference theItem = 1 ;
- for ( size_t i = 0 ; i < formatCount ; ++i )
+ err = PasteboardCreate( kPasteboardUniqueName, &pasteboard );
+ if ( err != noErr )
+ return wxDragNone;
+
+ // we add a dummy promise keeper because of strange messages when linking against carbon debug
+ err = PasteboardSetPromiseKeeper( pasteboard, wxMacPromiseKeeper, this );
+ if ( err != noErr )
{
- size_t dataSize = m_data->GetDataSize( formats[i] ) ;
- Ptr dataPtr = new char[dataSize] ;
- m_data->GetDataHere( formats[i] , dataPtr ) ;
- OSType type = formats[i].GetFormatId() ;
- if ( type == 'TEXT' || type == 'utxt' )
- {
- if ( dataSize > 0 )
- dataSize-- ;
- dataPtr[ dataSize ] = 0 ;
- if ( type == 'utxt' )
- {
- if ( dataSize > 0 )
- dataSize-- ;
- dataPtr[ dataSize ] = 0 ;
- }
+ CFRelease( pasteboard );
+ return wxDragNone;
+ }
- AddDragItemFlavor( theDrag, theItem, type , dataPtr, dataSize, 0 );
- }
- else if (type == kDragFlavorTypeHFS )
- {
- HFSFlavor theFlavor ;
- OSErr err = noErr;
- CInfoPBRec cat;
-
- wxMacFilename2FSSpec( wxString( dataPtr, *wxConvCurrent ), &theFlavor.fileSpec ) ;
-
- memset( &cat, 0, sizeof(cat) );
- cat.hFileInfo.ioNamePtr = theFlavor.fileSpec.name;
- cat.hFileInfo.ioVRefNum = theFlavor.fileSpec.vRefNum;
- cat.hFileInfo.ioDirID = theFlavor.fileSpec.parID;
- cat.hFileInfo.ioFDirIndex = 0;
- err = PBGetCatInfoSync( &cat );
- if (err == noErr)
- {
- theFlavor.fdFlags = cat.hFileInfo.ioFlFndrInfo.fdFlags;
- if (theFlavor.fileSpec.parID == fsRtParID)
- {
- theFlavor.fileCreator = 'MACS';
- theFlavor.fileType = 'disk';
- }
- else if ((cat.hFileInfo.ioFlAttrib & ioDirMask) != 0)
- {
- theFlavor.fileCreator = 'MACS';
- theFlavor.fileType = 'fold';
- }
- else
- {
- theFlavor.fileCreator = cat.hFileInfo.ioFlFndrInfo.fdCreator;
- theFlavor.fileType = cat.hFileInfo.ioFlFndrInfo.fdType;
- }
+ err = PasteboardClear( pasteboard );
+ if ( err != noErr )
+ {
+ CFRelease( pasteboard );
+ return wxDragNone;
+ }
+ PasteboardSynchronize( pasteboard );
- AddDragItemFlavor( theDrag, theItem, type , &theFlavor, sizeof(theFlavor), 0 );
- }
- }
- else
- {
- AddDragItemFlavor( theDrag, theItem, type , dataPtr, dataSize, 0 );
- }
+ m_data->AddToPasteboard( pasteboard, 1 );
- delete [] dataPtr ;
+ if (NewDragWithPasteboard( pasteboard , &theDrag) != noErr)
+ {
+ CFRelease( pasteboard );
+ return wxDragNone;
}
- delete [] formats ;
-
dragRegion = NewRgn();
- RgnHandle tempRgn = NewRgn() ;
+ RgnHandle tempRgn = NewRgn();
- EventRecord* ev = NULL ;
+ EventRecord rec;
+ ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent(), &rec );
-#if !TARGET_CARBON // TODO
- ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ;
-#else
- {
- EventRecord rec ;
- ev = &rec ;
- wxMacConvertEventToRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
- }
-#endif
-
- const short dragRegionOuterBoundary = 10 ;
- const short dragRegionInnerBoundary = 9 ;
+ const short dragRegionOuterBoundary = 10;
+ const short dragRegionInnerBoundary = 9;
SetRectRgn(
- dragRegion , ev->where.h - dragRegionOuterBoundary ,
- ev->where.v - dragRegionOuterBoundary ,
- ev->where.h + dragRegionOuterBoundary ,
- ev->where.v + dragRegionOuterBoundary ) ;
+ dragRegion,
+ rec.where.h - dragRegionOuterBoundary,
+ rec.where.v - dragRegionOuterBoundary,
+ rec.where.h + dragRegionOuterBoundary,
+ rec.where.v + dragRegionOuterBoundary );
SetRectRgn(
- tempRgn , ev->where.h - dragRegionInnerBoundary ,
- ev->where.v - dragRegionInnerBoundary ,
- ev->where.h + dragRegionInnerBoundary ,
- ev->where.v + dragRegionInnerBoundary ) ;
+ tempRgn,
+ rec.where.h - dragRegionInnerBoundary,
+ rec.where.v - dragRegionInnerBoundary,
+ rec.where.h + dragRegionInnerBoundary,
+ rec.where.v + dragRegionInnerBoundary );
- DiffRgn( dragRegion , tempRgn , dragRegion ) ;
- DisposeRgn( tempRgn ) ;
+ DiffRgn( dragRegion, tempRgn, dragRegion );
+ DisposeRgn( tempRgn );
// TODO: work with promises in order to return data
// only when drag was successfully completed
gTrackingGlobals.m_currentSource = this;
- result = TrackDrag( theDrag, ev, dragRegion );
+ gTrackingGlobals.m_result = wxDragNone;
+ gTrackingGlobals.m_flags = flags;
+
+ err = TrackDrag( theDrag, &rec, dragRegion );
+
DisposeRgn( dragRegion );
DisposeDrag( theDrag );
+ CFRelease( pasteboard );
gTrackingGlobals.m_currentSource = NULL;
- bool optionDown = GetCurrentKeyModifiers() & optionKey;
- wxDragResult dndresult = wxDragCopy;
- if ( flags != wxDrag_CopyOnly )
- // on mac the option key is always the indication for copy
- dndresult = optionDown ? wxDragCopy : wxDragMove;
-
- return dndresult;
+ return gTrackingGlobals.m_result;
}
bool wxDropSource::MacInstallDefaultCursor(wxDragResult effect)
return result;
}
-bool gTrackingGlobalsInstalled = false ;
+bool gTrackingGlobalsInstalled = false;
// passing the globals via refcon is not needed by the CFM and later architectures anymore
// but I'll leave it in there, just in case...
GetDragAttributes( theDrag, &attributes );
- wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow ) ;
+ wxNonOwnedWindow* toplevel = wxFindWinFromMacWindow( theWindow );
- bool optionDown = GetCurrentKeyModifiers() & optionKey ;
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
switch (theMessage)
case kDragTrackingEnterWindow:
if (trackingGlobals != NULL)
{
- trackingGlobals->m_currentTargetWindow = NULL ;
- trackingGlobals->m_currentTarget = NULL ;
+ trackingGlobals->m_currentTargetWindow = NULL;
+ trackingGlobals->m_currentTarget = NULL;
}
break;
GetDragMouse( theDrag, &mouse, 0L );
localMouse = mouse;
- GlobalToLocal( &localMouse );
+ wxMacGlobalToLocal( theWindow, &localMouse );
{
- wxWindow *win = NULL ;
- ControlPartCode controlPart ;
- ControlRef control = wxMacFindControlUnderMouse(
- toplevel , localMouse , theWindow , &controlPart ) ;
+ wxWindow *win = NULL;
+ ControlPartCode controlPart;
+ ControlRef control = FindControlUnderMouse( localMouse, theWindow, &controlPart );
if ( control )
- win = wxFindControlFromMacControl( control ) ;
+ win = wxFindControlFromMacControl( control );
else
- win = toplevel ;
+ win = toplevel;
- int localx , localy ;
- localx = localMouse.h ;
- localy = localMouse.v ;
+ int localx, localy;
+ localx = localMouse.h;
+ localy = localMouse.v;
if ( win )
- win->MacRootWindowToWindow( &localx , &localy ) ;
+ win->MacRootWindowToWindow( &localx, &localy );
if ( win != trackingGlobals->m_currentTargetWindow )
{
if ( trackingGlobals->m_currentTargetWindow )
// this window is left
if ( trackingGlobals->m_currentTarget )
{
+#ifndef __LP64__
HideDragHilite( theDrag );
+#endif
trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
trackingGlobals->m_currentTarget->OnLeave();
trackingGlobals->m_currentTarget = NULL;
if ( win )
{
// this window is entered
- trackingGlobals->m_currentTargetWindow = win ;
- trackingGlobals->m_currentTarget = win->GetDropTarget() ;
+ trackingGlobals->m_currentTargetWindow = win;
+ trackingGlobals->m_currentTarget = win->GetDropTarget();
{
if ( trackingGlobals->m_currentTarget )
{
- trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ;
- result = trackingGlobals->m_currentTarget->OnEnter( localx , localy , result ) ;
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ result = trackingGlobals->m_currentTarget->OnEnter( localx, localy, result );
}
if ( result != wxDragNone )
{
- int x , y ;
-
- x = y = 0 ;
- win->MacWindowToRootWindow( &x , &y ) ;
- RgnHandle hiliteRgn = NewRgn() ;
- Rect r = { y , x , y + win->GetSize().y , x + win->GetSize().x } ;
- RectRgn( hiliteRgn , &r ) ;
+ int x, y;
+
+ x = y = 0;
+ win->MacWindowToRootWindow( &x, &y );
+ RgnHandle hiliteRgn = NewRgn();
+ Rect r = { y, x, y + win->GetSize().y, x + win->GetSize().x };
+ RectRgn( hiliteRgn, &r );
+#ifndef __LP64__
ShowDragHilite( theDrag, hiliteRgn, true );
- DisposeRgn( hiliteRgn ) ;
+#endif
+ DisposeRgn( hiliteRgn );
}
}
}
{
if ( trackingGlobals->m_currentTarget )
{
- trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ;
- trackingGlobals->m_currentTarget->OnDragOver( localx , localy , result ) ;
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ result = trackingGlobals->m_currentTarget->OnDragOver( localx, localy, result );
}
}
{
if ( !trackingGlobals->m_currentSource->MacInstallDefaultCursor( result ) )
{
- switch ( result )
+ int cursorID = wxCURSOR_NONE;
+
+ switch (result)
{
case wxDragCopy:
- {
- wxCursor cursor(wxCURSOR_COPY_ARROW) ;
- cursor.MacInstall() ;
- }
- break ;
+ cursorID = wxCURSOR_COPY_ARROW;
+ break;
case wxDragMove:
- {
- wxCursor cursor(wxCURSOR_ARROW) ;
- cursor.MacInstall() ;
- }
- break ;
+ cursorID = wxCURSOR_ARROW;
+ break;
case wxDragNone:
- {
- wxCursor cursor(wxCURSOR_NO_ENTRY) ;
- cursor.MacInstall() ;
- }
- break ;
+ cursorID = wxCURSOR_NO_ENTRY;
+ break;
case wxDragError:
case wxDragLink:
// put these here to make gcc happy
;
}
+
+ if (cursorID != wxCURSOR_NONE)
+ {
+ wxCursor cursor( cursorID );
+ cursor.MacInstall();
+ }
}
}
}
{
trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
trackingGlobals->m_currentTarget->OnLeave();
+#ifndef __LP64__
HideDragHilite( theDrag );
+#endif
trackingGlobals->m_currentTarget = NULL;
}
trackingGlobals->m_currentTargetWindow = NULL;
MacTrackingGlobals* trackingGlobals = (MacTrackingGlobals*)handlerRefCon;
if ( trackingGlobals->m_currentTarget )
{
- Point mouse, localMouse ;
- int localx, localy ;
+ Point mouse, localMouse;
+ int localx, localy;
- trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ;
- GetDragMouse(theDrag, &mouse, 0L);
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ GetDragMouse( theDrag, &mouse, 0L );
localMouse = mouse;
- GlobalToLocal(&localMouse);
- localx = localMouse.h ;
- localy = localMouse.v ;
+ wxMacGlobalToLocal( theWindow, &localMouse );
+ localx = localMouse.h;
+ localy = localMouse.v;
// TODO : should we use client coordinates?
if ( trackingGlobals->m_currentTargetWindow )
- trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx , &localy ) ;
- if ( trackingGlobals->m_currentTarget->OnDrop( localx , localy ) )
+ trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx, &localy );
+ if ( trackingGlobals->m_currentTarget->OnDrop( localx, localy ) )
{
- bool optionDown = GetCurrentKeyModifiers() & optionKey ;
- wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
- trackingGlobals->m_currentTarget->OnData( localx , localy , result ) ;
+ // the option key indicates copy in Mac UI, if it's not pressed do
+ // move by default if it's allowed at all
+ wxDragResult
+ result = !(trackingGlobals->m_flags & wxDrag_AllowMove) ||
+ (GetCurrentKeyModifiers() & optionKey)
+ ? wxDragCopy
+ : wxDragMove;
+ trackingGlobals->m_result =
+ trackingGlobals->m_currentTarget->OnData( localx, localy, result );
}
}
return noErr;
}
-#endif
+#endif // wxUSE_DRAG_AND_DROP
+