121 lines
4.0 KiB
C++
121 lines
4.0 KiB
C++
/* Original Work Copyright (c) 2012-2014 Alexander Turkin
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Modified 2014 by William Hallatt
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Modified 2015 by Jacob Dawid
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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// Qt includes
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#include <QWidget>
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#include <QTimer>
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#include <QColor>
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class WaitingSpinnerWidget : public QWidget {
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Q_OBJECT
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public:
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/*! Constructor for "standard" widget behaviour - use this
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* constructor if you wish to, e.g. embed your widget in another. */
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WaitingSpinnerWidget(QWidget *parent = 0,
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bool centerOnParent = true,
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bool disableParentWhenSpinning = true);
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/*! Constructor - use this constructor to automatically create a modal
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* ("blocking") spinner on top of the calling widget/window. If a valid
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* parent widget is provided, "centreOnParent" will ensure that
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* QtWaitingSpinner automatically centres itself on it, if not,
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* "centreOnParent" is ignored. */
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WaitingSpinnerWidget(Qt::WindowModality modality,
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QWidget *parent = 0,
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bool centerOnParent = true,
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bool disableParentWhenSpinning = true);
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public slots:
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void start();
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void stop();
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public:
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void setColor(QColor color);
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void setTextColor(QColor color);
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void setRoundness(qreal roundness);
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void setMinimumTrailOpacity(qreal minimumTrailOpacity);
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void setTrailFadePercentage(qreal trail);
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void setRevolutionsPerSecond(qreal revolutionsPerSecond);
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void setNumberOfLines(int lines);
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void setLineLength(int length);
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void setLineWidth(int width);
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void setInnerRadius(int radius);
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void setText(QString text);
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QColor color();
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QColor textColor();
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QString text();
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qreal roundness();
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qreal minimumTrailOpacity();
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qreal trailFadePercentage();
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qreal revolutionsPersSecond();
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int numberOfLines();
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int lineLength();
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int lineWidth();
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int innerRadius();
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bool isSpinning() const;
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private slots:
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void rotate();
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protected:
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void paintEvent(QPaintEvent *paintEvent);
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private:
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static int lineCountDistanceFromPrimary(int current, int primary,
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int totalNrOfLines);
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static QColor currentLineColor(int distance, int totalNrOfLines,
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qreal trailFadePerc, qreal minOpacity,
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QColor color);
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void initialize();
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void updateSize();
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void updateTimer();
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void updatePosition();
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private:
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QColor _color;
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qreal _roundness; // 0..100
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qreal _minimumTrailOpacity;
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qreal _trailFadePercentage;
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qreal _revolutionsPerSecond;
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int _numberOfLines;
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int _lineLength;
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int _lineWidth;
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int _innerRadius;
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QString _text;
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QSize _imageSize;
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QColor _textColor;
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private:
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WaitingSpinnerWidget(const WaitingSpinnerWidget&);
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WaitingSpinnerWidget& operator=(const WaitingSpinnerWidget&);
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QTimer *_timer;
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bool _centerOnParent;
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bool _disableParentWhenSpinning;
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int _currentCounter;
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bool _isSpinning;
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};
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