[apps/stats] Handle the upperleft cell navigation in calculation

apps/statistics/Makefile

@@ -10,6 +10,7 @@ app_objs += $(addprefix apps/statistics/,\
   box_view.o\
   calculation_cell.o\
   calculation_controller.o\
+  calculation_selectable_table_view.o\
   histogram_banner_view.o\
   histogram_controller.o\
   histogram_parameter_controller.o\

apps/statistics/calculation_controller.cpp

@@ -1,7 +1,8 @@
 #include "calculation_controller.h"
+#include "app.h"
+#include "calculation_selectable_table_view.h"
 #include "../constant.h"
 #include "../apps_container.h"
-#include "app.h"
 #include <poincare.h>
 #include <assert.h>
 
@@ -214,10 +215,12 @@ View * CalculationController::loadView() {
   }
   m_hideableCell = new HideableEvenOddCell();
   m_hideableCell->setHide(true);
-  View * result = TabTableController::loadView();
-  SelectableTableView * casterResult = static_cast<SelectableTableView *>(result);
-  casterResult->setMargins(k_margin, k_scrollBarMargin, k_scrollBarMargin, k_margin);
-  return result;
+
+  CalculationSelectableTableView * selectableTableView = new CalculationSelectableTableView(this, this, this);
+  selectableTableView->setBackgroundColor(Palette::WallScreenDark);
+  selectableTableView->setVerticalCellOverlap(0);
+  selectableTableView->setMargins(k_margin, k_scrollBarMargin, k_scrollBarMargin, k_margin);
+  return selectableTableView;
 }
 
 

apps/statistics/calculation_selectable_table_view.cpp

@@ -0,0 +1,15 @@
+#include "calculation_selectable_table_view.h"
+
+namespace Statistics {
+
+bool CalculationSelectableTableView::handleEvent(Ion::Events::Event event) {
+  if (event == Ion::Events::Up && selectedColumn() == 0 && selectedRow() == 1) {
+    return false;
+  }
+  if (event == Ion::Events::Left && selectedColumn() == 1 && selectedRow() == 0) {
+    return selectCellAtLocation(0, 1);
+  }
+  return SelectableTableView::handleEvent(event);
+}
+
+}

apps/statistics/calculation_selectable_table_view.h

@@ -0,0 +1,16 @@
+#ifndef APPS_STATISTICS_CALCULATION_SELECTABLE_TABLE_VIEW_H
+#define APPS_STATISTICS_CALCULATION_SELECTABLE_TABLE_VIEW_H
+
+#include <escher/selectable_table_view.h>
+
+namespace Statistics {
+
+class CalculationSelectableTableView : public SelectableTableView {
+public:
+  using SelectableTableView::SelectableTableView;
+  bool handleEvent(Ion::Events::Event event) override;
+};
+
+}
+
+#endif