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 QLABEL_P_H 41 #define QLABEL_P_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 <QtWidgets/private/qtwidgetsglobal_p.h> 55 #include "qlabel.h" 56 57 #include "private/qtextdocumentlayout_p.h" 58 #include "private/qwidgettextcontrol_p.h" 59 #include "qtextdocumentfragment.h" 60 #include "qframe_p.h" 61 #include "qtextdocument.h" 62 #if QT_CONFIG(movie) 63 #include "qmovie.h" 64 #endif 65 #include "qimage.h" 66 #include "qbitmap.h" 67 #include "qpicture.h" 68 #if QT_CONFIG(menu) 69 #include "qmenu.h" 70 #endif 71 72 QT_BEGIN_NAMESPACE 73 74 class Q_AUTOTEST_EXPORT QLabelPrivate : public QFramePrivate 75 { 76 Q_DECLARE_PUBLIC(QLabel) 77 public: 78 QLabelPrivate(); 79 ~QLabelPrivate(); 80 81 void init(); 82 void clearContents(); 83 void updateLabel(); 84 QSize sizeForWidth(int w) const; 85 86 #if QT_CONFIG(movie) 87 void _q_movieUpdated(const QRect&); 88 void _q_movieResized(const QSize&); 89 #endif 90 #ifndef QT_NO_SHORTCUT 91 void updateShortcut(); 92 void _q_buddyDeleted(); 93 #endif needTextControl()94 inline bool needTextControl() const { 95 Q_Q(const QLabel); 96 return isTextLabel 97 && (effectiveTextFormat != Qt::PlainText 98 || (textInteractionFlags & (Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard)) 99 || q->focusPolicy() != Qt::NoFocus); 100 } 101 102 void ensureTextPopulated() const; 103 void ensureTextLayouted() const; 104 void ensureTextControl() const; 105 void sendControlEvent(QEvent *e); 106 107 void _q_linkHovered(const QString &link); 108 109 QRectF layoutRect() const; 110 QRect documentRect() const; 111 QPoint layoutPoint(const QPoint& p) const; 112 Qt::LayoutDirection textDirection() const; 113 #ifndef QT_NO_CONTEXTMENU 114 QMenu *createStandardContextMenu(const QPoint &pos); 115 #endif 116 117 mutable QSize sh; 118 mutable QSize msh; 119 QString text; 120 QPixmap *pixmap; 121 QPixmap *scaledpixmap; 122 QImage *cachedimage; 123 #ifndef QT_NO_PICTURE 124 QPicture *picture; 125 #endif 126 #if QT_CONFIG(movie) 127 QPointer<QMovie> movie; 128 #endif 129 mutable QWidgetTextControl *control; 130 mutable QTextCursor shortcutCursor; 131 #ifndef QT_NO_CURSOR 132 QCursor cursor; 133 #endif 134 #ifndef QT_NO_SHORTCUT 135 QPointer<QWidget> buddy; 136 int shortcutId; 137 #endif 138 Qt::TextFormat textformat; 139 Qt::TextFormat effectiveTextFormat; 140 Qt::TextInteractionFlags textInteractionFlags; 141 mutable QSizePolicy sizePolicy; 142 int margin; 143 ushort align; 144 short indent; 145 mutable uint valid_hints : 1; 146 uint scaledcontents : 1; 147 mutable uint textLayoutDirty : 1; 148 mutable uint textDirty : 1; 149 mutable uint isTextLabel : 1; 150 mutable uint hasShortcut : 1; 151 #ifndef QT_NO_CURSOR 152 uint validCursor : 1; 153 uint onAnchor : 1; 154 #endif 155 uint openExternalLinks : 1; 156 // <-- space for more bit field values here 157 158 friend class QMessageBoxPrivate; 159 }; 160 161 QT_END_NAMESPACE 162 163 #endif // QLABEL_P_H 164