first simplistic implementation of drag bitmaps, drawing modes need more work, drawing text into offscreen bitmaps seems to be broken for some weird reason, B_OP_COPY actually copies the alpha value of the color as well

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15671 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/interface/View.cpp

@@ -1335,6 +1335,12 @@ BView::DragMessage(BMessage *message, BBitmap *image,
 		fOwner->fLink->Attach<BPoint>(offset);
 		fOwner->fLink->Attach<int32>(bufferSize);
 		fOwner->fLink->Attach(buffer, bufferSize);
+
+		// we need to wait for the server
+		// to actually process this message
+		// before we can delete the bitmap
+		int32 code;
+		fOwner->fLink->FlushWithReply(code);
 	
 		delete [] buffer;
 	} else {