1 /**************************************************************************** 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 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 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 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QPROGRESSBAR_H 41 #define QPROGRESSBAR_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qframe.h> 45 46 QT_REQUIRE_CONFIG(progressbar); 47 48 QT_BEGIN_NAMESPACE 49 50 class QProgressBarPrivate; 51 class QStyleOptionProgressBar; 52 53 class Q_WIDGETS_EXPORT QProgressBar : public QWidget 54 { 55 Q_OBJECT 56 Q_PROPERTY(int minimum READ minimum WRITE setMinimum) 57 Q_PROPERTY(int maximum READ maximum WRITE setMaximum) 58 Q_PROPERTY(QString text READ text) 59 Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged) 60 Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment) 61 Q_PROPERTY(bool textVisible READ isTextVisible WRITE setTextVisible) 62 Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation) 63 Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance) 64 Q_PROPERTY(Direction textDirection READ textDirection WRITE setTextDirection) 65 Q_PROPERTY(QString format READ format WRITE setFormat RESET resetFormat) 66 67 public: 68 enum Direction { TopToBottom, BottomToTop }; 69 Q_ENUM(Direction) 70 71 explicit QProgressBar(QWidget *parent = nullptr); 72 ~QProgressBar(); 73 74 int minimum() const; 75 int maximum() const; 76 77 int value() const; 78 79 virtual QString text() const; 80 void setTextVisible(bool visible); 81 bool isTextVisible() const; 82 83 Qt::Alignment alignment() const; 84 void setAlignment(Qt::Alignment alignment); 85 86 QSize sizeHint() const override; 87 QSize minimumSizeHint() const override; 88 89 Qt::Orientation orientation() const; 90 91 void setInvertedAppearance(bool invert); 92 bool invertedAppearance() const; 93 void setTextDirection(QProgressBar::Direction textDirection); 94 QProgressBar::Direction textDirection() const; 95 96 void setFormat(const QString &format); 97 void resetFormat(); 98 QString format() const; 99 100 public Q_SLOTS: 101 void reset(); 102 void setRange(int minimum, int maximum); 103 void setMinimum(int minimum); 104 void setMaximum(int maximum); 105 void setValue(int value); 106 void setOrientation(Qt::Orientation); 107 108 Q_SIGNALS: 109 void valueChanged(int value); 110 111 protected: 112 bool event(QEvent *e) override; 113 void paintEvent(QPaintEvent *) override; 114 void initStyleOption(QStyleOptionProgressBar *option) const; 115 116 private: 117 Q_DECLARE_PRIVATE(QProgressBar) 118 Q_DISABLE_COPY(QProgressBar) 119 }; 120 121 QT_END_NAMESPACE 122 123 #endif // QPROGRESSBAR_H 124