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<div>Hi !</div>
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<div>I work with Remi-C on this project/plugin QGIS.</div>
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<div>What we do now:</div>
<div>- Connect on the signal : 'currentLayerChanged(QgsMapLayer*)' on QgisInterface to track the current layer and the switching layer event </div>
<div>- On the current layer : we use the signal 'layerModified()' to detect modification on current layer -> we try to commitChanges this layer</div>
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<div>The result is ... good but we have a problem when we use multiple selection (nodes) with 'Node Tool'. (single selection work fine)</div>
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<div>A hard-crash QGIS appear. </div>
<div>GDB indicate a problem with NodeTools and the method 'deselectAllVertexes'</div>
<div>Here a short view of gdb stack:</div>
<div>Program received signal SIGSEGV, Segmentation fault.</div>
<div>0x000000000066d9e6 in QgsSelectedFeature::deselectAllVertexes() ()</div>
<div>(gdb) where</div>
<div>#0 0x000000000066d9e6 in QgsSelectedFeature::deselectAllVertexes() ()</div>
<div>#1 0x000000000066bd35 in QgsMapToolNodeTool::canvasReleaseEvent(QMouseEvent*) ()</div>
<div>#2 0x00007ffff3b8c8b8 in QgsMapCanvas::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libqgis_gui.so.2.6.1</div>
<div>#3 0x00007ffff245c50a in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
<div>#4 0x00007ffff27fdfce in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
<div>#5 0x00007ffff2a097b9 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
<div>#6 0x00007ffff3073646 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()</div>
<div> from /usr/lib/x86_64-linux-gnu/libQtCore.so.4</div>
<div>#7 0x00007ffff240ce0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
<div>#8 0x00007ffff24135dd in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
<div>#9 0x00007ffff41ebcab in QgsApplication::notify(QObject*, QEvent*) () from /usr/lib/libqgis_core.so.2.6.1</div>
<div>#10 0x00007ffff30734dd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4</div>
<div>#11 0x00007ffff2412d93 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4</div>
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<div>We use QGIS 2.6 (try with 2.7) Python 2.7, on Linux Ubuntu x64 & Windows 7 x64.</div>
<div>The data provider for the Vector Layer is memory.</div>
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<div>Regards,</div>
<div>Lionel-A</div>
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