datum transformation selection: fix crash on 'hide deprecated' (fixes #12719)

jef-n · jef-n · commit ab06ccd4214f · 2015-06-29T18:41:36.000+02:00
(cherry picked from commit 1bd3776)
diff --git a/src/gui/qgsdatumtransformdialog.cpp b/src/gui/qgsdatumtransformdialog.cpp
@@ -230,6 +230,9 @@ void QgsDatumTransformDialog::on_mHideDeprecatedCheckBox_stateChanged( int )
 
 void QgsDatumTransformDialog::on_mDatumTransformTreeWidget_currentItemChanged( QTreeWidgetItem *current, QTreeWidgetItem * )
 {
+  if ( !current )
+    return;
+
   mLabelSrcDescription->setText( current->toolTip( 0 ) );
   mLabelDstDescription->setText( current->toolTip( 1 ) );
 }

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,9 @@ void QgsDatumTransformDialog::on_mHideDeprecatedCheckBox_stateChanged( int )`
`230`	`230`
`231`	`231`	`void QgsDatumTransformDialog::on_mDatumTransformTreeWidget_currentItemChanged( QTreeWidgetItem current, QTreeWidgetItem )`
`232`	`232`	`{`
	`233`	`+ if ( !current )`
	`234`	`+ return;`
	`235`	`+`
`233`	`236`	`mLabelSrcDescription->setText( current->toolTip( 0 ) );`
`234`	`237`	`mLabelDstDescription->setText( current->toolTip( 1 ) );`
`235`	`238`	`}`