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Modif/epsilon-master/poincare/src/layout/condensed_sum_layout.h 2 KB
6663b6c9   adorian   projet complet av...
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  #ifndef POINCARE_CONDENSED_SUM_LAYOUT_H
  #define POINCARE_CONDENSED_SUM_LAYOUT_H
  
  #include <poincare/static_layout_hierarchy.h>
  #include <poincare/layout_engine.h>
  #include <assert.h>
  
  namespace Poincare {
  
  class CondensedSumLayout : public StaticLayoutHierarchy<3> {
  public:
    using StaticLayoutHierarchy::StaticLayoutHierarchy;
    ExpressionLayout * clone() const override;
  
    /* Tree navigation
     * CondensedSumLayout is only used in apps/shared/sum_graph_controller.cpp, in
     * a view with no cursor. */
    ExpressionLayoutCursor cursorLeftOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override {
      assert(false);
      return ExpressionLayoutCursor();
    }
    ExpressionLayoutCursor cursorRightOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override {
      assert(false);
      return ExpressionLayoutCursor();
    }
    ExpressionLayoutCursor cursorAbove(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override {
      assert(false);
      return ExpressionLayoutCursor();
    }
    ExpressionLayoutCursor cursorUnder(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override {
      assert(false);
      return ExpressionLayoutCursor();
    }
  
    // Serialization
    int writeTextInBuffer(char * buffer, int bufferSize) const override {
      return LayoutEngine::writePrefixExpressionLayoutTextInBuffer(this, buffer, bufferSize, "sum");
    }
  
    // Other
    ExpressionLayout * layoutToPointWhenInserting() override {
      assert(false);
      return nullptr;
    }
  protected:
    void render(KDContext * ctx, KDPoint p, KDColor expressionColor, KDColor backgroundColor) override {}
    KDSize computeSize() override;
    void computeBaseline() override;
    KDPoint positionOfChild(ExpressionLayout * child) override;
  private:
    ExpressionLayout * baseLayout() { return editableChild(0); }
    ExpressionLayout * subscriptLayout() { return editableChild(1); }
    ExpressionLayout * superscriptLayout() { return editableChild(2); }
  };
  
  }
  
  #endif