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e7add02912
It was implemented by the Graph and Sequence GraphController derived classes and was used 1) in FunctionGraphController::viewWillAppear to set the cursorView specific to each derived class, 2) in FunctionGraphController::cursor/displayBottomMarginRatio() methods. Instead 1) the viewWillAppear method of each derived classes sets its cursorView itself 2) one may already get the cursorView through curveView().
68 lines
2.9 KiB
C++
68 lines
2.9 KiB
C++
#ifndef SHARED_FUNCTION_GRAPH_CONTROLLER_H
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#define SHARED_FUNCTION_GRAPH_CONTROLLER_H
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#include <escher.h>
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#include "initialisation_parameter_controller.h"
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#include "function_banner_delegate.h"
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#include "interactive_curve_view_controller.h"
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#include "function_store.h"
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#include "function_graph_view.h"
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#include "function_curve_parameter_controller.h"
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namespace Shared {
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class FunctionGraphController : public InteractiveCurveViewController, public FunctionBannerDelegate {
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public:
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FunctionGraphController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, ButtonRowController * header, InteractiveCurveViewRange * interactiveRange, CurveView * curveView, CurveViewCursor * cursor, int * indexFunctionSelectedByCursor, uint32_t * modelVersion, uint32_t * rangeVersion, Poincare::Preferences::AngleUnit * angleUnitVersion);
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bool isEmpty() const override;
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ViewController * initialisationParameterController() override;
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void viewWillAppear() override;
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protected:
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float cursorTopMarginRatio() override { return 0.068f; }
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float cursorBottomMarginRatio() override;
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void reloadBannerView() override;
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bool handleEnter() override;
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int indexFunctionSelectedByCursor() const { return *m_indexFunctionSelectedByCursor; }
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virtual void selectFunctionWithCursor(int functionIndex);
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virtual double defaultCursorAbscissa();
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virtual FunctionStore * functionStore() const;
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private:
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constexpr static float k_viewHeight = 174.0f; // TODO Taken from Regresssion/graph_controller. Maybe we should compute and/or put in common ?
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virtual FunctionGraphView * functionGraphView() = 0;
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virtual FunctionCurveParameterController * curveParameterController() = 0;
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// InteractiveCurveViewController
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/* When y auto is ticked, we use a display margin to be ensure that the user
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* can move the cursor along the curve without panning the window */
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float displayTopMarginRatio() override { return 0.09f; } // cursorHeight/graphViewHeight
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float displayBottomMarginRatio() override;
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// InteractiveCurveViewRangeDelegate
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InteractiveCurveViewRangeDelegate::Range computeYRange(InteractiveCurveViewRange * interactiveCurveViewRange) override;
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float estimatedBannerHeight() const;
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virtual int estimatedBannerNumberOfLines() const { return 1; }
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// InteractiveCurveViewController
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void initRangeParameters() override;
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void initCursorParameters() override;
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bool moveCursorVertically(int direction) override;
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CurveView * curveView() override;
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uint32_t modelVersion() override;
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uint32_t rangeVersion() override;
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bool isCursorVisible() override;
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bool closestCurveIndexIsSuitable(int newIndex, int currentIndex) const override;
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double yValue(int curveIndex, double x, Poincare::Context * context) const override;
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int numberOfCurves() const override;
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InitialisationParameterController m_initialisationParameterController;
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Poincare::Preferences::AngleUnit * m_angleUnitVersion;
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int * m_indexFunctionSelectedByCursor;
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};
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}
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#endif
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