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#ifndef SHARED_FUNCTION_GRAPH_CONTROLLER_H
#define SHARED_FUNCTION_GRAPH_CONTROLLER_H
#include <escher.h>
#include "initialisation_parameter_controller.h"
#include "interactive_curve_view_controller.h"
#include "function_store.h"
#include "function_graph_view.h"
#include "function_curve_parameter_controller.h"
namespace Shared {
class FunctionGraphController : public InteractiveCurveViewController, public InteractiveCurveViewRangeDelegate {
public:
FunctionGraphController(Responder * parentResponder, ButtonRowController * header, InteractiveCurveViewRange * interactiveRange, CurveView * curveView, CurveViewCursor * cursor, uint32_t * modelVersion, uint32_t * rangeVersion, Poincare::Expression::AngleUnit * angleUnitVersion);
bool isEmpty() const override;
ViewController * initialisationParameterController() override;
void viewWillAppear() override;
protected:
constexpr static float k_cursorTopMarginRatio = 0.068f; // (cursorHeight/2)/graphViewHeight
constexpr static float k_cursorRightMarginRatio = 0.04f; // (cursorWidth/2)/graphViewWidth
constexpr static float k_cursorBottomMarginRatio = 0.15f; // (cursorHeight/2+bannerHeigh)/graphViewHeight
constexpr static float k_cursorLeftMarginRatio = 0.04f; // (cursorWidth/2)/graphViewWidth
constexpr static int k_maxNumberOfCharacters = 8;
void reloadBannerView() override;
bool handleEnter() override;
int m_indexFunctionSelectedByCursor;
private:
/* When y auto is ticked, we use a display margin to be ensure that the user
* can move the cursor along the curve without panning the window */
constexpr static float k_displayTopMarginRatio = 0.09f;
constexpr static float k_displayBottomMarginRatio = 0.2f;
InteractiveCurveViewRangeDelegate::Range computeYRange(InteractiveCurveViewRange * interactiveCurveViewRange) override;
float addMargin(float x, float range, bool isMin) override;
void initRangeParameters() override;
bool moveCursorVertically(int direction) override;
CurveView * curveView() override;
uint32_t modelVersion() override;
uint32_t rangeVersion() override;
bool isCursorVisible() override;
virtual FunctionStore * functionStore() const = 0;
virtual FunctionGraphView * functionGraphView() = 0;
virtual FunctionCurveParameterController * curveParameterController() = 0;
InitialisationParameterController m_initialisationParameterController;
Poincare::Expression::AngleUnit * m_angleUnitVersion;
};
}
#endif
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