[settings] Added symbolic calculation in exam mode.

apps/settings/base.de.i18n

@@ -47,3 +47,4 @@ SymbolMultiplicationCross = "Kreuz"
 SymbolMultiplicationMiddleDot = "Mittelpunkt"
 SymbolMultiplicationStar = "Stern"
 SymbolMultiplicationAutoSymbol = "automatisch"
+SymbolicEnabled = "Symbolic calc."

apps/settings/base.en.i18n

@@ -47,3 +47,4 @@ SymbolMultiplicationCross = "Cross"
 SymbolMultiplicationMiddleDot = "Middle dot"
 SymbolMultiplicationStar = "Star"
 SymbolMultiplicationAutoSymbol = "Automatic"
+SymbolicEnabled = "Symbolic calc."

apps/settings/base.es.i18n

@@ -47,3 +47,4 @@ SymbolMultiplicationCross = "contrariar"
 SymbolMultiplicationMiddleDot = "punto medio"
 SymbolMultiplicationStar = "estrella"
 SymbolMultiplicationAutoSymbol = "automático"
+SymbolicEnabled = "Symbolic calc."

apps/settings/base.fr.i18n

@@ -47,3 +47,4 @@ SymbolMultiplicationCross = "Croix"
 SymbolMultiplicationMiddleDot = "Point"
 SymbolMultiplicationStar = "Etoile"
 SymbolMultiplicationAutoSymbol = "Automatique"
+SymbolicEnabled = "Symbolic calc."

apps/settings/base.pt.i18n

@@ -47,3 +47,4 @@ SymbolMultiplicationCross = "crómio"
 SymbolMultiplicationMiddleDot = "ponto médio"
 SymbolMultiplicationStar = "estrela"
 SymbolMultiplicationAutoSymbol = "automático"
+SymbolicEnabled = "Symbolic calc."

apps/settings/main_controller_prompt_none.cpp

@@ -15,7 +15,7 @@ constexpr SettingsMessageTree s_symbolChildren[4] = {SettingsMessageTree(I18n::M
 
 //sub-menus
 constexpr SettingsMessageTree s_modelMathOptionsChildren[5] = {SettingsMessageTree(I18n::Message::AngleUnit, s_modelAngleChildren, 3), SettingsMessageTree(I18n::Message::DisplayMode, s_modelFloatDisplayModeChildren, 4), SettingsMessageTree(I18n::Message::EditionMode, s_modelEditionModeChildren, 2), SettingsMessageTree(I18n::Message::ComplexFormat, s_modelComplexFormatChildren, 3), SettingsMessageTree(I18n::Message::SymbolMultiplication, s_symbolChildren, 4)};
-constexpr SettingsMessageTree s_modelExamChildren[2] = {SettingsMessageTree(I18n::Message::LEDColor, s_ledColorChildren, 4), SettingsMessageTree(I18n::Message::ActivateExamMode)};
+constexpr SettingsMessageTree s_modelExamChildren[3] = {SettingsMessageTree(I18n::Message::LEDColor, s_ledColorChildren, 4), SettingsMessageTree(I18n::Message::SymbolicEnabled), SettingsMessageTree(I18n::Message::ActivateExamMode)};
 constexpr SettingsMessageTree s_accessibilityChildren[6] = {SettingsMessageTree(I18n::Message::AccessibilityInvertColors), SettingsMessageTree(I18n::Message::AccessibilityMagnify),SettingsMessageTree(I18n::Message::AccessibilityGamma),SettingsMessageTree(I18n::Message::AccessibilityGammaRed),SettingsMessageTree(I18n::Message::AccessibilityGammaGreen),SettingsMessageTree(I18n::Message::AccessibilityGammaBlue)};
 #ifdef USERNAME
 constexpr SettingsMessageTree s_modelAboutChildren[7] = {SettingsMessageTree(I18n::Message::Username), SettingsMessageTree(I18n::Message::SoftwareVersion), SettingsMessageTree(I18n::Message::CustomSoftwareVersion), SettingsMessageTree(I18n::Message::MicroPythonVersion), SettingsMessageTree(I18n::Message::SerialNumber), SettingsMessageTree(I18n::Message::FccId), SettingsMessageTree(I18n::Message::Contributors, s_contributorsChildren, 5)};
@@ -27,7 +27,7 @@ constexpr SettingsMessageTree s_modelMenu[] =
   {SettingsMessageTree(I18n::Message::MathOptions, s_modelMathOptionsChildren, 5),
     SettingsMessageTree(I18n::Message::Brightness),
     SettingsMessageTree(I18n::Message::Language),
-    SettingsMessageTree(I18n::Message::ExamMode, s_modelExamChildren, 2),
+    SettingsMessageTree(I18n::Message::ExamMode, s_modelExamChildren, 3),
     SettingsMessageTree(I18n::Message::Accessibility, s_accessibilityChildren, 6),
 #ifdef USERNAME
     SettingsMessageTree(I18n::Message::About, s_modelAboutChildren, 7)};

apps/settings/sub_menu/exam_mode_controller.cpp

@@ -15,7 +15,8 @@ ExamModeController::ExamModeController(Responder * parentResponder) :
   GenericSubController(parentResponder),
   m_preferencesController(this),
   m_examModeCell(I18n::Message::Default, KDFont::LargeFont),
-  m_ledCell(KDFont::LargeFont, KDFont::SmallFont)
+  m_ledCell(KDFont::LargeFont, KDFont::SmallFont),
+  m_symbolicCell(I18n::Message::SymbolicEnabled, KDFont::LargeFont)
 {
 }
 
@@ -40,6 +41,12 @@ bool ExamModeController::handleEvent(Ion::Events::Event event) {
       stack->push(subController);
       return true;
     }
+    if (childLabel == I18n::Message::SymbolicEnabled) {
+      Preferences * preferences = Preferences::sharedPreferences();
+      preferences->setExamSymbolic(!preferences->isExamSymbolic());
+      m_selectableTableView.reloadData();
+      return true;
+    }
   }
   return GenericSubController::handleEvent(event);
 }
@@ -49,6 +56,9 @@ HighlightCell * ExamModeController::reusableCell(int index, int type) {
   if (type == 0) {
     return &m_ledCell;
   }
+  if (type == 1) {
+    return &m_symbolicCell;
+  }
   return &m_examModeCell;
 }
 
@@ -58,6 +68,8 @@ int ExamModeController::reusableCellCount(int type) {
       return 1;
     case 1:
       return 1;
+    case 2:
+      return 1;
     default:
       assert(false);
       return 0;
@@ -78,6 +90,11 @@ void ExamModeController::willDisplayCellForIndex(HighlightCell * cell, int index
     I18n::Message message = (I18n::Message) m_messageTreeModel->children(index)->children((int)preferences->colorOfLED())->label();
     myTextCell->setSubtitle(message);
   }
+  if (thisLabel == I18n::Message::SymbolicEnabled) {
+    MessageTableCellWithSwitch * mySwitchCell = (MessageTableCellWithSwitch *)cell;
+    SwitchView * mySwitch = (SwitchView *)mySwitchCell->accessoryView();
+    mySwitch->setState(preferences->isExamSymbolic());
+  }
 }
 
 int ExamModeController::typeAtLocation(int i, int j) {
@@ -86,6 +103,8 @@ int ExamModeController::typeAtLocation(int i, int j) {
       return 0;
     case 1:
       return 1;
+    case 2:
+      return 2;
     default:
       assert(false);
       return 0;

apps/settings/sub_menu/exam_mode_controller.h

@@ -19,6 +19,7 @@ private:
   MessageTableCell m_examModeCell;
   MessageTableCellWithChevronAndMessage m_ledCell;
   PreferencesController m_preferencesController;
+  MessageTableCellWithSwitch m_symbolicCell;
 };
 
 }

poincare/include/poincare/preferences.h

@@ -64,6 +64,8 @@ public:
   void setColorOfLED(LEDColor color) { m_colorOfLED = color; }
   SymbolMultiplication symbolofMultiplication() const {return m_symbolMultiplication;}
   void setSymbolMultiplication(SymbolMultiplication symbolofMultiplication) {m_symbolMultiplication = symbolofMultiplication;}
+  bool isExamSymbolic() const {return m_examSymbolic;}
+  void setExamSymbolic(bool examSymbolic) {m_examSymbolic = examSymbolic;}
 private:
   AngleUnit m_angleUnit;
   PrintFloatMode m_displayMode;
@@ -71,7 +73,8 @@ private:
   ComplexFormat m_complexFormat;
   uint8_t m_numberOfSignificantDigits;
   LEDColor m_colorOfLED;
-  SymbolMultiplication m_symbolMultiplication; 
+  SymbolMultiplication m_symbolMultiplication;
+  bool m_examSymbolic; 
 };
 
 }

poincare/src/preferences.cpp

@@ -14,7 +14,8 @@ Preferences::Preferences() :
   m_complexFormat(Preferences::ComplexFormat::Real),
   m_numberOfSignificantDigits(PrintFloat::k_numberOfPrintedSignificantDigits),
   m_colorOfLED(Preferences::LEDColor::White),
-  m_symbolMultiplication(Preferences::SymbolMultiplication::Cross)
+  m_symbolMultiplication(Preferences::SymbolMultiplication::Cross),
+  m_examSymbolic(true)
 {}
 
 Preferences * Preferences::sharedPreferences() {