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39 lines
1.8 KiB
C++
39 lines
1.8 KiB
C++
#ifndef SHARED_SIMPLE_INTERACTIVE_CURVE_VIEW_CONTROLLER_H
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#define SHARED_SIMPLE_INTERACTIVE_CURVE_VIEW_CONTROLLER_H
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#include "text_field_delegate.h"
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#include "zoom_curve_view_controller.h"
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namespace Shared {
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/* SimpleInteractiveCurveViewController is a View controller with a cursor that
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* can handles zoom in/out and left and right events. */
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class SimpleInteractiveCurveViewController : public ZoomCurveViewController, public TextFieldDelegate {
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public:
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SimpleInteractiveCurveViewController(Responder * parentResponder, CurveViewCursor * cursor) : ZoomCurveViewController(parentResponder), m_cursor(cursor) {}
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bool handleEvent(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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constexpr static float k_cursorRightMarginRatio = 0.04f; // (cursorWidth/2)/(graphViewWidth-1)
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constexpr static float k_cursorLeftMarginRatio = 0.04f; // (cursorWidth/2)/(graphViewWidth-1)
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virtual float cursorTopMarginRatio() { return 0.07f; } // (cursorHeight/2)/(graphViewHeight-1)
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virtual float cursorBottomMarginRatio() = 0; // (cursorHeight/2+bannerHeight)/(graphViewHeight-1)
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constexpr static float k_numberOfCursorStepsInGradUnit = 5.0f;
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// ZoomCurveViewController
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float xFocus() override { return m_cursor->x(); }
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float yFocus() override { return m_cursor->y(); }
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virtual bool handleLeftRightEvent(Ion::Events::Event event);
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virtual void reloadBannerView() = 0;
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/* the result of moveCursorVertically/Horizontally means:
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* false -> the cursor cannot move in this direction
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* true -> the cursor moved */
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virtual bool moveCursorHorizontally(int direction, int scrollSpeed = 1) { return false; }
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virtual bool handleEnter() = 0;
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CurveViewCursor * m_cursor;
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};
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}
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#endif
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