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 QLAYOUT_P_H 41 #define QLAYOUT_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 for the convenience 48 // of qlayout*.cpp, and qabstractlayout.cpp. This header 49 // file may change from version to version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtWidgets/private/qtwidgetsglobal_p.h> 55 #include "private/qobject_p.h" 56 #include "qstyle.h" 57 #include "qsizepolicy.h" 58 59 QT_BEGIN_NAMESPACE 60 61 class QWidgetItem; 62 class QSpacerItem; 63 class QLayoutItem; 64 65 class Q_WIDGETS_EXPORT QLayoutPrivate : public QObjectPrivate 66 { 67 Q_DECLARE_PUBLIC(QLayout) 68 69 public: 70 typedef QWidgetItem * (*QWidgetItemFactoryMethod)(const QLayout *layout, QWidget *widget); 71 typedef QSpacerItem * (*QSpacerItemFactoryMethod)(const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy, QSizePolicy::Policy); 72 73 QLayoutPrivate(); 74 75 void getMargin(int *result, int userMargin, QStyle::PixelMetric pm) const; 76 void doResize(); 77 void reparentChildWidgets(QWidget *mw); 78 bool checkWidget(QWidget *widget) const; 79 bool checkLayout(QLayout *otherLayout) const; 80 81 static QWidgetItem *createWidgetItem(const QLayout *layout, QWidget *widget); 82 static QSpacerItem *createSpacerItem(const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy = QSizePolicy::Minimum, QSizePolicy::Policy vPolicy = QSizePolicy::Minimum); replaceAt(int index,QLayoutItem * newitem)83 virtual QLayoutItem* replaceAt(int index, QLayoutItem *newitem) { Q_UNUSED(index); Q_UNUSED(newitem); return nullptr; } 84 85 static QWidgetItemFactoryMethod widgetItemFactoryMethod; 86 static QSpacerItemFactoryMethod spacerItemFactoryMethod; 87 88 int insideSpacing; 89 int userLeftMargin; 90 int userTopMargin; 91 int userRightMargin; 92 int userBottomMargin; 93 uint topLevel : 1; 94 uint enabled : 1; 95 uint activated : 1; 96 uint autoNewChild : 1; 97 QLayout::SizeConstraint constraint; 98 QRect rect; 99 QWidget *menubar; 100 }; 101 102 QT_END_NAMESPACE 103 104 #endif // QLAYOUT_P_H 105