const char* QDropEvent::format( int n ) const
{
#ifdef DEBUG_QDND_WIN
qDebug( "QDropEvent::format ( %d )", n );
#endif
if ( !pIDataObject )
return NULL;
FORMATETC fmtMemory = { 0,
NULL,
DVASPECT_CONTENT,
-1,
TYMED_HGLOBAL };
if ( n >= 0 ) {
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c ; c = all.next() ) {
for ( int i = 0; i < c->countCf(); i++ ) {
int cf = c->cf( i );
fmtMemory.cfFormat = cf;
if ( pIDataObject->QueryGetData( &fmtMemory ) == S_OK ) {
if ( n == 0 ) {
#ifdef DEBUG_QDND_WIN
qDebug( "format: %s", c->mimeFor( cf ) );
#endif
return c->mimeFor( cf );
}
n--;
}
}
}
}
return NULL;
}
STDMETHODIMP QOleDropTarget::Drop( LPDATAOBJECT pIDataSource,
DWORD grfKeyState,
POINTL pt,
LPDWORD pdwEffect )
{
#ifdef DEBUG_QDND_TGT
qDebug( "QOleDropTarget::Drop( %p, %d, %d/%d, %d )",
pIDataSource, grfKeyState, pt.x, pt.y, *pdwEffect );
qDebug( "widget: %p, winID: %08x", widget, widget ? widget->winId() : 0 );
#endif
if ( !qt_tryModalHelper( widget ) ) {
*pdwEffect = DROPEFFECT_NONE;
return NOERROR;
}
lastPoint = widget->mapFromGlobal( QPoint( pt.x, pt.y ) );
// grfKeyState does not all ways contain button state in the drop so if
// it doesn't then use the last known button state;
if ( ( grfKeyState & KEY_STATE_BUTTON_MASK ) == 0 )
grfKeyState |= lastKeyState & KEY_STATE_BUTTON_MASK;
lastKeyState = grfKeyState;
FORMATETC s_fmtMemory = { 0,
NULL,
DVASPECT_CONTENT,
-1,
TYMED_HGLOBAL };
/* Can we convert the data? */
bool found = false;
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c && !found; c = all.next() ) {
for ( int i = 0; i < c->countCf(); i++ ) {
int cf = c->cf( i );
s_fmtMemory.cfFormat = cf;
if ( pIDataSource->QueryGetData( &s_fmtMemory ) == S_OK ) {
found = true;
break;
}
}
}
if ( !found ) {
return S_OK;
}
/* Just to be sure */
pIDataObject = pIDataSource;
pIDataObject->AddRef();
QDropEvent de( lastPoint );
de.setAction( translateKeyStateToQDropAction( grfKeyState, *pdwEffect ) );
if ( global_src )
global_src->setTarget( widget );
QApplication::sendEvent( widget, &de );
pIDataObject->Release();
pIDataObject = NULL;
return S_OK;
}