[vlmc-devel] commit: TracksView: Fixing effects useless moves detection ( Hugo Beauzée-Luyssen )

[Rohit Yadav]

Hi,

This is regarding a bug in src/Gui/timeline/TracksView.cpp:

When I drag a video item from Media library to the project timeline, the
mouseMoveEvent in "MediaCellView" creates a snapshot/thumbnail and execs.
When I drag it (GraphicsEffectItem) to the timeline and drop it, everything
goes fine. But, if I drag it to the timeline and instead of dropping it, I
drag it away from timeline,
TracksView::dragLeaveEvent( QDragLeaveEvent *event ) is called and it does:

...
        delete m_dragEffectItem;
...

And, bang you get segmentation fault.

Relevant lines from the bt:

#0  0x0813983c in TracksView::dragLeaveEvent (this=0x8553f28,
event=0xbfffd504) at
/home/rohit/Lab/vlmc/src/Gui/timeline/TracksView.cpp:765
#30 0x004f999e in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) ()
from /usr/lib/libQtGui.so.4
#31 0x081100f7 in MediaCellView::mouseMoveEvent (this=0x87538a8,
event=0xbfffe844) at
/home/rohit/Lab/vlmc/src/Gui/library/MediaCellView.cpp:214

I don't know in detail how these objects interact or what exactly is
happening, pl. fix it :)

Thanks,
Rohit Yadav
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