[apps/calculation][apps/shared]

AbstractScrollableExactApproximateExpressionsView children classes
reload scroll after reloading the subview selection when entering the
responder chain and when cell becomes first responder. We don't reload
scroll when setting content of cells as this is done every time we
relayout - when scrolling in the table for instance.

apps/solver/solutions_controller.cpp

@@ -121,6 +121,13 @@ void SolutionsController::viewWillAppear() {
   }
 }
 
+void SolutionsController::didEnterResponderChain(Responder * previousFirstResponder) {
+  // Select the most left present subview on all cells and reinitialize scroll
+  for (int i = 0; i < EquationStore::k_maxNumberOfExactSolutions; i++) {
+    m_exactValueCells[i].reinitSelection();
+  }
+}
+
 /* AlternateEmptyRowDelegate */
 
 bool SolutionsController::isEmpty() const {