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 QtQuick 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 QQUICKTEXTMETRICS_H 41 #define QQUICKTEXTMETRICS_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <qqml.h> 55 56 #include <QtGui/QFontMetricsF> 57 #include <QtCore/QObject> 58 59 QT_BEGIN_NAMESPACE 60 61 class QFont; 62 63 class Q_AUTOTEST_EXPORT QQuickTextMetrics : public QObject 64 { 65 Q_OBJECT 66 67 Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged FINAL) 68 Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged FINAL) 69 Q_PROPERTY(qreal advanceWidth READ advanceWidth NOTIFY metricsChanged FINAL) 70 Q_PROPERTY(QRectF boundingRect READ boundingRect NOTIFY metricsChanged FINAL) 71 Q_PROPERTY(qreal width READ width NOTIFY metricsChanged FINAL) 72 Q_PROPERTY(qreal height READ height NOTIFY metricsChanged FINAL) 73 Q_PROPERTY(QRectF tightBoundingRect READ tightBoundingRect NOTIFY metricsChanged FINAL) 74 Q_PROPERTY(QString elidedText READ elidedText NOTIFY metricsChanged FINAL) 75 Q_PROPERTY(Qt::TextElideMode elide READ elide WRITE setElide NOTIFY elideChanged FINAL) 76 Q_PROPERTY(qreal elideWidth READ elideWidth WRITE setElideWidth NOTIFY elideWidthChanged FINAL) 77 QML_NAMED_ELEMENT(TextMetrics) 78 QML_ADDED_IN_MINOR_VERSION(4) 79 80 public: 81 explicit QQuickTextMetrics(QObject *parent = 0); 82 ~QQuickTextMetrics(); 83 84 QFont font() const; 85 void setFont(const QFont &font); 86 87 QString text() const; 88 void setText(const QString &text); 89 90 Qt::TextElideMode elide() const; 91 void setElide(Qt::TextElideMode elide); 92 93 qreal elideWidth() const; 94 void setElideWidth(qreal elideWidth); 95 96 qreal advanceWidth() const; 97 QRectF boundingRect() const; 98 qreal width() const; 99 qreal height() const; 100 QRectF tightBoundingRect() const; 101 QString elidedText() const; 102 103 Q_SIGNALS: 104 void fontChanged(); 105 void textChanged(); 106 void elideChanged(); 107 void elideWidthChanged(); 108 void metricsChanged(); 109 110 private: 111 QString m_text; 112 QFont m_font; 113 QFontMetricsF m_metrics; 114 Qt::TextElideMode m_elide; 115 qreal m_elideWidth; 116 }; 117 118 QT_END_NAMESPACE 119 120 QML_DECLARE_TYPE(QQuickTextMetrics) 121 122 #endif // QQUICKTEXTMETRICS_H 123