Fix measure dialog shows wrong results when changing units

nyalldawson · nyalldawson · commit 03bff507d981 · 2016-10-05T10:53:10.000+10:00
If the measurement was not finished (ie right click occurred) then the last length would be missing from the table Fix #15433
diff --git a/src/app/qgsmeasuredialog.cpp b/src/app/qgsmeasuredialog.cpp
@@ -112,6 +112,13 @@ void QgsMeasureDialog::unitsChanged( int index )
   mTable->clear();
   mTotal = 0.;
   updateUi();
+
+  if ( !mTool->done() )
+  {
+    // re-add temporary mouse cursor position
+    addPoint( mLastMousePoint );
+    mouseMove( mLastMousePoint );
+  }
 }
 
 void QgsMeasureDialog::restart()
