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62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
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/*
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* Copyright 2017 Julian Harnath <julian.harnath@rwth-aachen.de>
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* All rights reserved. Distributed under the terms of the MIT license.
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*/
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#ifndef BARBER_POLE_H
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#define BARBER_POLE_H
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#include <View.h>
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#include <Polygon.h>
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class BMessageRunner;
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/*! Spinning barber pole progress indicator. Number and colors of the
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color stripes are configurable. By default, it will be 2 colors,
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chosen from the system color palette.
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*/
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class BarberPole : public BView {
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public:
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enum {
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// Message codes
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kRefreshMessage = 0x1001
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};
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public:
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BarberPole(const char* name);
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~BarberPole();
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virtual void MessageReceived(BMessage* message);
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virtual void Draw(BRect updateRect);
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virtual void FrameResized(float width, float height);
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virtual BSize MinSize();
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void Start();
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void Stop();
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void SetSpinSpeed(float speed);
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void SetColors(const rgb_color* colors,
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uint32 numColors);
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private:
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void _Spin();
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private:
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bool fIsSpinning;
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float fSpinSpeed;
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const rgb_color* fColors;
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uint32 fNumColors;
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float fScrollOffset;
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BPolygon fStripe;
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float fStripeWidth;
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uint32 fNumStripes;
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};
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#endif // BARBER_POLE_H
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