sequence_layout.h
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#ifndef POINCARE_SEQUENCE_LAYOUT_H
#define POINCARE_SEQUENCE_LAYOUT_H
#include <poincare/static_layout_hierarchy.h>
#include <assert.h>
namespace Poincare {
class SequenceLayout : public StaticLayoutHierarchy<3> {
public:
using StaticLayoutHierarchy::StaticLayoutHierarchy;
constexpr static KDCoordinate k_symbolHeight = 15;
constexpr static KDCoordinate k_symbolWidth = 9;
// User input
void deleteBeforeCursor(ExpressionLayoutCursor * cursor) 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;
// Other
ExpressionLayout * layoutToPointWhenInserting() override {
assert(lowerBoundLayout() != nullptr);
return lowerBoundLayout();
}
char XNTChar() const override { return 'n'; }
protected:
constexpr static KDCoordinate k_boundHeightMargin = 2;
constexpr static KDCoordinate k_argumentWidthMargin = 2;
int writeDerivedClassInBuffer(const char * operatorName, char * buffer, int bufferSize) const;
KDSize computeSize() override;
KDPoint positionOfChild(ExpressionLayout * eL) override;
void render(KDContext * ctx, KDPoint p, KDColor expressionColor, KDColor backgroundColor) override;
ExpressionLayout * upperBoundLayout() { return editableChild(2); }
ExpressionLayout * lowerBoundLayout() { return editableChild(1); }
ExpressionLayout * argumentLayout() { return editableChild(0); }
private:
void computeBaseline() override;
};
}
#endif