85 lines
1.6 KiB
C++
85 lines
1.6 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "styles/style_widgets.h"
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class Painter;
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namespace Ui::Paint {
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class ArcsAnimation {
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public:
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enum class Direction {
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Up,
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Down,
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Left,
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Right,
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};
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ArcsAnimation(
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const style::ArcsAnimation &st,
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std::vector<float> thresholds,
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float64 startValue,
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Direction direction);
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void paint(
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Painter &p,
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std::optional<QColor> colorOverride = std::nullopt);
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void setValue(float64 value);
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rpl::producer<> startUpdateRequests();
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rpl::producer<> stopUpdateRequests();
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void update(crl::time now);
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bool isFinished() const;
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float width() const;
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float maxWidth() const;
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float finishedWidth() const;
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float height() const;
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void setStrokeRatio(float ratio);
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private:
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struct Arc {
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QRectF rect;
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float threshold;
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crl::time startTime = 0;
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float64 progress = 0.;
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};
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void initArcs(std::vector<float> thresholds);
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QRectF computeArcRect(int index) const;
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bool isHorizontal() const;
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bool isArcFinished(const Arc &arc) const;
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void updateArcStartTime(
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Arc &arc,
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float64 previousValue,
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crl::time now);
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const style::ArcsAnimation &_st;
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const Direction _direction;
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const int _startAngle;
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const int _spanAngle;
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const QRectF _emptyRect;
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float64 _currentValue = 0.;
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float _strokeRatio = 0.;
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rpl::event_stream<> _startUpdateRequests;
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rpl::event_stream<> _stopUpdateRequests;
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std::vector<Arc> _arcs;
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};
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} // namespace Ui::Paint
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