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| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtWidgets module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
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| 32 | ** information to ensure the GNU General Public License requirements will |
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QABSTRACTSLIDER_H |
| 41 | #define QABSTRACTSLIDER_H |
| 42 | |
| 43 | #include <QtWidgets/qtwidgetsglobal.h> |
| 44 | #include <QtWidgets/qwidget.h> |
| 45 | |
| 46 | QT_REQUIRE_CONFIG(abstractslider); |
| 47 | |
| 48 | QT_BEGIN_NAMESPACE |
| 49 | |
| 50 | |
| 51 | class QAbstractSliderPrivate; |
| 52 | |
| 53 | class Q_WIDGETS_EXPORT QAbstractSlider : public QWidget |
| 54 | { |
| 55 | Q_OBJECT |
| 56 | |
| 57 | Q_PROPERTY(int minimum READ minimum WRITE setMinimum) |
| 58 | Q_PROPERTY(int maximum READ maximum WRITE setMaximum) |
| 59 | Q_PROPERTY(int singleStep READ singleStep WRITE setSingleStep) |
| 60 | Q_PROPERTY(int pageStep READ pageStep WRITE setPageStep) |
| 61 | Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged USER true) |
| 62 | Q_PROPERTY(int sliderPosition READ sliderPosition WRITE setSliderPosition NOTIFY sliderMoved) |
| 63 | Q_PROPERTY(bool tracking READ hasTracking WRITE setTracking) |
| 64 | Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation) |
| 65 | Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance) |
| 66 | Q_PROPERTY(bool invertedControls READ invertedControls WRITE setInvertedControls) |
| 67 | Q_PROPERTY(bool sliderDown READ isSliderDown WRITE setSliderDown DESIGNABLE false) |
| 68 | |
| 69 | public: |
| 70 | explicit QAbstractSlider(QWidget *parent = nullptr); |
| 71 | ~QAbstractSlider(); |
| 72 | |
| 73 | Qt::Orientation orientation() const; |
| 74 | |
| 75 | void setMinimum(int); |
| 76 | int minimum() const; |
| 77 | |
| 78 | void setMaximum(int); |
| 79 | int maximum() const; |
| 80 | |
| 81 | void setSingleStep(int); |
| 82 | int singleStep() const; |
| 83 | |
| 84 | void setPageStep(int); |
| 85 | int pageStep() const; |
| 86 | |
| 87 | void setTracking(bool enable); |
| 88 | bool hasTracking() const; |
| 89 | |
| 90 | void setSliderDown(bool); |
| 91 | bool isSliderDown() const; |
| 92 | |
| 93 | void setSliderPosition(int); |
| 94 | int sliderPosition() const; |
| 95 | |
| 96 | void setInvertedAppearance(bool); |
| 97 | bool invertedAppearance() const; |
| 98 | |
| 99 | void setInvertedControls(bool); |
| 100 | bool invertedControls() const; |
| 101 | |
| 102 | enum SliderAction { |
| 103 | SliderNoAction, |
| 104 | SliderSingleStepAdd, |
| 105 | SliderSingleStepSub, |
| 106 | SliderPageStepAdd, |
| 107 | SliderPageStepSub, |
| 108 | SliderToMinimum, |
| 109 | SliderToMaximum, |
| 110 | SliderMove |
| 111 | }; |
| 112 | |
| 113 | int value() const; |
| 114 | |
| 115 | void triggerAction(SliderAction action); |
| 116 | |
| 117 | public Q_SLOTS: |
| 118 | void setValue(int); |
| 119 | void setOrientation(Qt::Orientation); |
| 120 | void setRange(int min, int max); |
| 121 | |
| 122 | Q_SIGNALS: |
| 123 | void valueChanged(int value); |
| 124 | |
| 125 | void sliderPressed(); |
| 126 | void sliderMoved(int position); |
| 127 | void sliderReleased(); |
| 128 | |
| 129 | void rangeChanged(int min, int max); |
| 130 | |
| 131 | void actionTriggered(int action); |
| 132 | |
| 133 | protected: |
| 134 | bool event(QEvent *e) override; |
| 135 | |
| 136 | void setRepeatAction(SliderAction action, int thresholdTime = 500, int repeatTime = 50); |
| 137 | SliderAction repeatAction() const; |
| 138 | |
| 139 | enum SliderChange { |
| 140 | SliderRangeChange, |
| 141 | SliderOrientationChange, |
| 142 | SliderStepsChange, |
| 143 | SliderValueChange |
| 144 | }; |
| 145 | virtual void sliderChange(SliderChange change); |
| 146 | |
| 147 | void keyPressEvent(QKeyEvent *ev) override; |
| 148 | void timerEvent(QTimerEvent *) override; |
| 149 | #if QT_CONFIG(wheelevent) |
| 150 | void wheelEvent(QWheelEvent *e) override; |
| 151 | #endif |
| 152 | void changeEvent(QEvent *e) override; |
| 153 | |
| 154 | |
| 155 | protected: |
| 156 | QAbstractSlider(QAbstractSliderPrivate &dd, QWidget *parent = nullptr); |
| 157 | |
| 158 | private: |
| 159 | Q_DISABLE_COPY(QAbstractSlider) |
| 160 | Q_DECLARE_PRIVATE(QAbstractSlider) |
| 161 | }; |
| 162 | |
| 163 | QT_END_NAMESPACE |
| 164 | |
| 165 | #endif // QABSTRACTSLIDER_H |
| 166 | |