Layer drag 'n drop

[Benjamin Jakimow]

layer order is not changeable by drag 'n drop

windows: layers become invisible

linux: QGIS crashed

[Benjamin Jakimow]

addresses #143 (layer drag 'n drop). Works in windows, still problems in linux

→ <<cset 1d668f9aa508>>

[Benjamin Jakimow]

addresses #143 (layer drag 'n drop). Works in windows, still problems in linux

→ <<cset 1d668f9aa508>>

[Fabian Thiel]

Dragging Layer into Map View via Data Views Menu can also cause crash on windows (see report below). Dragging directly into Map View seems to work reliably though...

h2. User Feedback



h2. Report Details

*Crash ID*: 55f1d3adce03df9e46de2a3681fb5c330303992b


*Stack Trace*
<pre>
QObject::metaObject :
QMetaObject::cast :
QgsLayerTreeModel::parent :
std::basic_string<char,std::char_traits<char>,std::allocator<char> >::max_size :
QModelIndex::parent :
QTreeView::drawRow :
QTreeView::drawTree :
QTreeView::paintEvent :
QWidget::event :
QFrame::event :
QAbstractItemView::viewportEvent :
QCoreApplicationPrivate::sendThroughObjectEventFilters :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QWidgetPrivate::drawWidget :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::drawWidget :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::drawWidget :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::drawWidget :
QWidgetPrivate::paintSiblingsRecursive :
QWidgetPrivate::drawWidget :
QApplication::windowIcon :
QWidget::event :
QMainWindow::event :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QCoreApplicationPrivate::sendPostedEvents :
QGraphicsScene::~QGraphicsScene :
QObject::event :
QGraphicsScene::event :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QCoreApplicationPrivate::sendPostedEvents :
qt_plugin_query_metadata :
QEventDispatcherWin32::processEvents :
DispatchMessageW :
NotifyWinEvent :
QEventDispatcherWin32::processEvents :
qt_plugin_query_metadata :
QEventLoop::exec :
QCoreApplication::exec :
main :
BaseThreadInitThunk :
RtlUserThreadStart :
</pre>


*QGIS Info*
QGIS Version: 3.2.0-Bonn
QGIS code revision: commit:bc43194061
Compiled against Qt: 5.9.2
Running against Qt: 5.9.2
Compiled against GDAL: 2.2.4
Running against GDAL: 2.2.4



*System Info*
CPU Type: x86_64
Kernel Type: winnt
Kernel Version: 6.3.9600