| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSTYLEANIMATION_P_H |
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| 5 | #define QSTYLEANIMATION_P_H |
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| 6 | |
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| 7 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
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| 8 | #include "qabstractanimation.h" |
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| 9 | #include "qdatetime.h" |
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| 10 | #include "qimage.h" |
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| 11 | |
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| 12 | QT_REQUIRE_CONFIG(animation); |
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| 13 | |
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| 14 | QT_BEGIN_NAMESPACE |
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| 15 | |
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| 16 | // |
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| 17 | // W A R N I N G |
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| 18 | // ------------- |
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| 19 | // |
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| 20 | // This file is not part of the Qt API. It exists for the convenience of |
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| 21 | // qcommonstyle.cpp. This header file may change from version to version |
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| 22 | // without notice, or even be removed. |
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| 23 | // |
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| 24 | // We mean it. |
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| 25 | // |
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| 26 | |
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| 27 | class Q_WIDGETS_EXPORT QStyleAnimation : public QAbstractAnimation |
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| 28 | { |
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| 29 | Q_OBJECT |
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| 30 | |
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| 31 | public: |
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| 32 | QStyleAnimation(QObject *target); |
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| 33 | virtual ~QStyleAnimation(); |
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| 34 | |
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| 35 | QObject *target() const; |
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| 36 | |
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| 37 | int duration() const override; |
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| 38 | void setDuration(int duration); |
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| 39 | |
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| 40 | int delay() const; |
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| 41 | void setDelay(int delay); |
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| 42 | |
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| 43 | QTime startTime() const; |
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| 44 | void setStartTime(QTime time); |
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| 45 | |
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| 46 | enum FrameRate { |
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| 47 | DefaultFps, |
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| 48 | SixtyFps, |
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| 49 | ThirtyFps, |
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| 50 | TwentyFps, |
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| 51 | FifteenFps |
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| 52 | }; |
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| 53 | |
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| 54 | FrameRate frameRate() const; |
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| 55 | void setFrameRate(FrameRate fps); |
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| 56 | |
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| 57 | void updateTarget(); |
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| 58 | |
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| 59 | public Q_SLOTS: |
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| 60 | void start(); |
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| 61 | |
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| 62 | protected: |
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| 63 | virtual bool isUpdateNeeded() const; |
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| 64 | virtual void updateCurrentTime(int time) override; |
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| 65 | |
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| 66 | private: |
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| 67 | int _delay; |
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| 68 | int _duration; |
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| 69 | QTime _startTime; |
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| 70 | FrameRate _fps; |
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| 71 | int _skip; |
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| 72 | }; |
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| 73 | |
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| 74 | class Q_WIDGETS_EXPORT QProgressStyleAnimation : public QStyleAnimation |
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| 75 | { |
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| 76 | Q_OBJECT |
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| 77 | |
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| 78 | public: |
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| 79 | QProgressStyleAnimation(int speed, QObject *target); |
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| 80 | |
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| 81 | int animationStep() const; |
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| 82 | int progressStep(int width) const; |
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| 83 | |
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| 84 | int speed() const; |
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| 85 | void setSpeed(int speed); |
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| 86 | |
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| 87 | protected: |
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| 88 | bool isUpdateNeeded() const override; |
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| 89 | |
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| 90 | private: |
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| 91 | int _speed; |
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| 92 | mutable int _step; |
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| 93 | }; |
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| 94 | |
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| 95 | class Q_WIDGETS_EXPORT QNumberStyleAnimation : public QStyleAnimation |
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| 96 | { |
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| 97 | Q_OBJECT |
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| 98 | |
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| 99 | public: |
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| 100 | QNumberStyleAnimation(QObject *target); |
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| 101 | |
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| 102 | qreal startValue() const; |
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| 103 | void setStartValue(qreal value); |
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| 104 | |
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| 105 | qreal endValue() const; |
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| 106 | void setEndValue(qreal value); |
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| 107 | |
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| 108 | qreal currentValue() const; |
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| 109 | |
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| 110 | protected: |
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| 111 | bool isUpdateNeeded() const override; |
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| 112 | |
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| 113 | private: |
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| 114 | qreal _start; |
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| 115 | qreal _end; |
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| 116 | mutable qreal _prev; |
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| 117 | }; |
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| 118 | |
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| 119 | class Q_WIDGETS_EXPORT QBlendStyleAnimation : public QStyleAnimation |
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| 120 | { |
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| 121 | Q_OBJECT |
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| 122 | |
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| 123 | public: |
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| 124 | enum Type { Transition, Pulse }; |
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| 125 | |
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| 126 | QBlendStyleAnimation(Type type, QObject *target); |
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| 127 | |
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| 128 | QImage startImage() const; |
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| 129 | void setStartImage(const QImage& image); |
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| 130 | |
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| 131 | QImage endImage() const; |
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| 132 | void setEndImage(const QImage& image); |
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| 133 | |
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| 134 | QImage currentImage() const; |
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| 135 | |
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| 136 | protected: |
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| 137 | virtual void updateCurrentTime(int time) override; |
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| 138 | |
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| 139 | private: |
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| 140 | Type _type; |
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| 141 | QImage _start; |
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| 142 | QImage _end; |
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| 143 | QImage _current; |
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| 144 | }; |
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| 145 | |
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| 146 | class Q_WIDGETS_EXPORT QScrollbarStyleAnimation : public QNumberStyleAnimation |
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| 147 | { |
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| 148 | Q_OBJECT |
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| 149 | |
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| 150 | public: |
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| 151 | enum Mode { Activating, Deactivating }; |
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| 152 | |
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| 153 | QScrollbarStyleAnimation(Mode mode, QObject *target); |
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| 154 | |
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| 155 | Mode mode() const; |
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| 156 | |
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| 157 | bool wasActive() const; |
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| 158 | void setActive(bool active); |
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| 159 | |
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| 160 | private slots: |
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| 161 | void updateCurrentTime(int time) override; |
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| 162 | |
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| 163 | private: |
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| 164 | Mode _mode; |
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| 165 | bool _active; |
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| 166 | }; |
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| 167 | |
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| 168 | QT_END_NAMESPACE |
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| 169 | |
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| 170 | #endif // QSTYLEANIMATION_P_H |
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| 171 | |
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