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#ifndef POINCARE_GRID_LAYOUT_H
#define POINCARE_GRID_LAYOUT_H
#include <poincare/dynamic_layout_hierarchy.h>
#include "empty_layout.h"
namespace Poincare {
class GridLayout : public DynamicLayoutHierarchy {
friend class BinomialCoefficientLayout;
public:
GridLayout(const ExpressionLayout * const * entryLayouts, int numberOfRows, int numberOfColumns, bool cloneOperands);
ExpressionLayout * clone() const override;
// Tree navigation
ExpressionLayoutCursor cursorLeftOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override;
ExpressionLayoutCursor cursorRightOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override;
ExpressionLayoutCursor cursorAbove(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override;
ExpressionLayoutCursor cursorUnder(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override;
// Remove
void removeChildAtIndex(int index, bool deleteAfterRemoval) override;
/* This function replaces the child with an EmptyLayout. To delete the grid's
* children, do not call this function. */
// Serialization
int writeTextInBuffer(char * buffer, int bufferSize) const override { return 0; }
protected:
void render(KDContext * ctx, KDPoint p, KDColor expressionColor, KDColor backgroundColor) override;
KDSize computeSize() override;
void computeBaseline() override;
KDPoint positionOfChild(ExpressionLayout * child) override;
void addEmptyRow(EmptyLayout::Color color);
void addEmptyColumn(EmptyLayout::Color color);
void deleteRowAtIndex(int index);
void deleteColumnAtIndex(int index);
bool childIsRightOfGrid(int index) const;
bool childIsLeftOfGrid(int index) const;
bool childIsTopOfGrid(int index) const;
bool childIsBottomOfGrid(int index) const;
int rowAtChildIndex(int index) const;
int columnAtChildIndex(int index) const;
int indexAtRowColumn(int rowIndex, int columnIndex) const;
int m_numberOfRows;
int m_numberOfColumns;
private:
constexpr static KDCoordinate k_gridEntryMargin = 6;
KDCoordinate rowBaseline(int i);
KDCoordinate rowHeight(int i);
KDCoordinate height();
KDCoordinate columnWidth(int j);
KDCoordinate width();
};
}
#endif
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