QMacPasteboard::QMacPasteboard(CFStringRef name, uchar mt)
{
mac_mime_source = false;
mime_type = mt ? mt : uchar(QMacPasteboardMime::MIME_ALL);
paste = 0;
OSStatus err = PasteboardCreate(name, &paste);
if(err == noErr) {
PasteboardSetPromiseKeeper(paste, promiseKeeper, this);
} else {
qDebug("PasteBoard: Error creating pasteboard: %s [%d]", QCFString::toQString(name).toLatin1().constData(), (int)err);
}
}
QMacPasteboard::QMacPasteboard(uchar mt)
{
mac_mime_source = false;
mime_type = mt ? mt : uchar(QMacPasteboardMime::MIME_ALL);
paste = 0;
OSStatus err = PasteboardCreate(0, &paste);
if(err == noErr) {
PasteboardSetPromiseKeeper(paste, promiseKeeper, this);
} else {
qDebug("PasteBoard: Error creating pasteboard: [%d]", (int)err);
}
}
wxDragResult wxDropSource::DoDragDrop(int flags)
{
wxASSERT_MSG( m_data, wxT("Drop source: no data") );
if ((m_data == NULL) || (m_data->GetFormatCount() == 0))
return (wxDragResult)wxDragNone;
DragReference theDrag;
RgnHandle dragRegion;
OSStatus err = noErr;
PasteboardRef pasteboard;
// add data to drag
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 )
{
CFRelease( pasteboard );
return wxDragNone;
}
err = PasteboardClear( pasteboard );
if ( err != noErr )
{
CFRelease( pasteboard );
return wxDragNone;
}
PasteboardSynchronize( pasteboard );
m_data->AddToPasteboard( pasteboard, 1 );
if (NewDragWithPasteboard( pasteboard , &theDrag) != noErr)
{
CFRelease( pasteboard );
return wxDragNone;
}
dragRegion = NewRgn();
RgnHandle tempRgn = NewRgn();
EventRecord rec;
ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent(), &rec );
const short dragRegionOuterBoundary = 10;
const short dragRegionInnerBoundary = 9;
SetRectRgn(
dragRegion,
rec.where.h - dragRegionOuterBoundary,
rec.where.v - dragRegionOuterBoundary,
rec.where.h + dragRegionOuterBoundary,
rec.where.v + dragRegionOuterBoundary );
SetRectRgn(
tempRgn,
rec.where.h - dragRegionInnerBoundary,
rec.where.v - dragRegionInnerBoundary,
rec.where.h + dragRegionInnerBoundary,
rec.where.v + dragRegionInnerBoundary );
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;
gTrackingGlobals.m_result = wxDragNone;
gTrackingGlobals.m_flags = flags;
err = TrackDrag( theDrag, &rec, dragRegion );
DisposeRgn( dragRegion );
DisposeDrag( theDrag );
CFRelease( pasteboard );
gTrackingGlobals.m_currentSource = NULL;
return gTrackingGlobals.m_result;
}
