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190568ea84
Restore the permanence of the cursor between accesses to the graph window. The cursor used to be reset when the models had been modified. As there is no longer a system in place to track these modifications, we manually check if there is a curve beneath the cursor before reseting it. Change-Id: I6f71fc17744b5bf1ee552c82126bb4a08b823629
91 lines
3.6 KiB
C++
91 lines
3.6 KiB
C++
#ifndef SHARED_INTERACTIVE_CURVE_VIEW_CONTROLLER_H
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#define SHARED_INTERACTIVE_CURVE_VIEW_CONTROLLER_H
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#include "simple_interactive_curve_view_controller.h"
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#include "cursor_view.h"
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#include "ok_view.h"
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#include "range_parameter_controller.h"
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#include "zoom_parameter_controller.h"
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#include <poincare/coordinate_2D.h>
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namespace Shared {
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class InteractiveCurveViewController : public SimpleInteractiveCurveViewController, public InteractiveCurveViewRangeDelegate, public ButtonRowDelegate, public AlternateEmptyViewDefaultDelegate {
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public:
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InteractiveCurveViewController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, ButtonRowController * header, InteractiveCurveViewRange * interactiveRange, CurveView * curveView, CurveViewCursor * cursor, uint32_t * rangeVersion);
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const char * title() override;
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bool handleEvent(Ion::Events::Event event) override;
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void didBecomeFirstResponder() override;
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TELEMETRY_ID("Graph");
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RangeParameterController * rangeParameterController();
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ViewController * zoomParameterController();
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int numberOfButtons(ButtonRowController::Position position) const override;
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Button * buttonAtIndex(int index, ButtonRowController::Position position) const override;
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Responder * defaultController() override;
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void viewWillAppear() override;
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void viewDidDisappear() override;
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void willExitResponderChain(Responder * nextFirstResponder) override;
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bool textFieldDidFinishEditing(TextField * textField, const char * text, Ion::Events::Event event) override;
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bool textFieldDidReceiveEvent(TextField * textField, Ion::Events::Event event) override;
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protected:
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Responder * tabController() const;
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virtual StackViewController * stackController() const;
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virtual void initCursorParameters() = 0;
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virtual bool moveCursorVertically(int direction) = 0;
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virtual uint32_t rangeVersion() = 0;
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bool isCursorVisible();
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virtual bool isCursorHanging() = 0;
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// Closest vertical curve helper
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int closestCurveIndexVertically(bool goingUp, int currentSelectedCurve, Poincare::Context * context) const;
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virtual bool closestCurveIndexIsSuitable(int newIndex, int currentIndex) const = 0;
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virtual int selectedCurveIndex() const = 0;
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virtual Poincare::Coordinate2D<double> xyValues(int curveIndex, double t, Poincare::Context * context) const = 0;
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virtual bool suitableYValue(double y) const { return true; }
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virtual int numberOfCurves() const = 0;
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// SimpleInteractiveCurveViewController
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float cursorBottomMarginRatio() override;
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InteractiveCurveViewRange * interactiveRange() { return m_interactiveRange; }
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OkView m_okView;
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private:
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/* The value 21 is the actual height of the ButtonRow, that is
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* ButtonRowController::ContentView::k_plainStyleHeight + 1.
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* That value is not public though. */
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constexpr static float k_viewHeight = Ion::Display::Height - Metric::TitleBarHeight - Metric::TabHeight - 21;
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float estimatedBannerHeight() const;
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virtual int estimatedBannerNumberOfLines() const { return 1; }
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// InteractiveCurveViewRangeDelegate
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float addMargin(float x, float range, bool isVertical, bool isMin) override;
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void setCurveViewAsMainView();
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void navigationButtonAction();
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/* Those two methods return the new status for the button, ie either
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* m_interactiveRange->m_zoomAuto or m_zoomNormalize respectively. */
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bool autoButtonAction();
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bool normalizeButtonAction();
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uint32_t * m_rangeVersion;
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RangeParameterController m_rangeParameterController;
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ZoomParameterController m_zoomParameterController;
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InteractiveCurveViewRange * m_interactiveRange;
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Button m_autoButton;
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Button m_normalizeButton;
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Button m_zoomButton;
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Button m_rangeButton;
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};
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}
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#endif
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