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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLAYOUT_H
+#define QLAYOUT_H
+
+#include <QtCore/qobject.h>
+#include <QtGui/qlayoutitem.h>
+#include <QtGui/qsizepolicy.h>
+#include <QtCore/qrect.h>
+
+#include <limits.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QLayout;
+class QSize;
+
+#ifdef QT3_SUPPORT
+class Q_GUI_EXPORT QLayoutIterator
+{
+public:
+ inline QT3_SUPPORT_CONSTRUCTOR QLayoutIterator(QLayout *i) : layout(i), index(0) {}
+ inline QLayoutIterator(const QLayoutIterator &i)
+ : layout(i.layout), index(i.index) {}
+ inline QLayoutIterator &operator=(const QLayoutIterator &i) {
+ layout = i.layout;
+ index = i.index;
+ return *this;
+ }
+ inline QT3_SUPPORT QLayoutItem *operator++();
+ inline QT3_SUPPORT QLayoutItem *current();
+ inline QT3_SUPPORT QLayoutItem *takeCurrent();
+ inline QT3_SUPPORT void deleteCurrent();
+
+private:
+ // hack to avoid deprecated warning
+ friend class QLayout;
+ inline QLayoutIterator(QLayout *i, bool) : layout(i), index(0) {}
+ QLayout *layout;
+ int index;
+};
+#endif
+
+class QLayoutPrivate;
+
+class Q_GUI_EXPORT QLayout : public QObject, public QLayoutItem
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QLayout)
+
+ Q_ENUMS(SizeConstraint)
+ Q_PROPERTY(int margin READ margin WRITE setMargin)
+ Q_PROPERTY(int spacing READ spacing WRITE setSpacing)
+ Q_PROPERTY(SizeConstraint sizeConstraint READ sizeConstraint WRITE setSizeConstraint)
+public:
+ enum SizeConstraint {
+ SetDefaultConstraint,
+ SetNoConstraint,
+ SetMinimumSize,
+ SetFixedSize,
+ SetMaximumSize,
+ SetMinAndMaxSize
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+ , Auto = SetDefaultConstraint,
+ FreeResize = SetNoConstraint,
+ Minimum = SetMinimumSize,
+ Fixed = SetFixedSize
+#endif
+ };
+
+ QLayout(QWidget *parent);
+ QLayout();
+ ~QLayout();
+
+ int margin() const;
+ int spacing() const;
+
+ void setMargin(int);
+ void setSpacing(int);
+
+ void setContentsMargins(int left, int top, int right, int bottom);
+ void getContentsMargins(int *left, int *top, int *right, int *bottom) const;
+ QRect contentsRect() const;
+
+ bool setAlignment(QWidget *w, Qt::Alignment alignment);
+ bool setAlignment(QLayout *l, Qt::Alignment alignment);
+#ifdef Q_NO_USING_KEYWORD
+ inline void setAlignment(Qt::Alignment alignment) { QLayoutItem::setAlignment(alignment); }
+#else
+ using QLayoutItem::setAlignment;
+#endif
+
+ void setSizeConstraint(SizeConstraint);
+ SizeConstraint sizeConstraint() const;
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT void setResizeMode(SizeConstraint s) {setSizeConstraint(s);}
+ inline QT3_SUPPORT SizeConstraint resizeMode() const {return sizeConstraint();}
+#endif
+ void setMenuBar(QWidget *w);
+ QWidget *menuBar() const;
+
+ QWidget *parentWidget() const;
+
+ void invalidate();
+ QRect geometry() const;
+ bool activate();
+ void update();
+
+ void addWidget(QWidget *w);
+ virtual void addItem(QLayoutItem *) = 0;
+
+ void removeWidget(QWidget *w);
+ void removeItem(QLayoutItem *);
+
+ Qt::Orientations expandingDirections() const;
+ QSize minimumSize() const;
+ QSize maximumSize() const;
+ virtual void setGeometry(const QRect&);
+ virtual QLayoutItem *itemAt(int index) const = 0;
+ virtual QLayoutItem *takeAt(int index) = 0;
+ virtual int indexOf(QWidget *) const;
+ virtual int count() const = 0;
+ bool isEmpty() const;
+
+ int totalHeightForWidth(int w) const;
+ QSize totalMinimumSize() const;
+ QSize totalMaximumSize() const;
+ QSize totalSizeHint() const;
+ QLayout *layout();
+
+ void setEnabled(bool);
+ bool isEnabled() const;
+
+#ifdef QT3_SUPPORT
+ QT3_SUPPORT void freeze(int w=0, int h=0);
+ QT3_SUPPORT bool isTopLevel() const;
+#endif
+
+ static QSize closestAcceptableSize(const QWidget *w, const QSize &s);
+
+protected:
+ void widgetEvent(QEvent *);
+ void childEvent(QChildEvent *e);
+ void addChildLayout(QLayout *l);
+ void addChildWidget(QWidget *w);
+#ifdef QT3_SUPPORT
+ QT3_SUPPORT void deleteAllItems();
+#endif
+
+ QRect alignmentRect(const QRect&) const;
+protected:
+ QLayout(QLayoutPrivate &d, QLayout*, QWidget*);
+
+private:
+ Q_DISABLE_COPY(QLayout)
+
+ static void activateRecursiveHelper(QLayoutItem *item);
+
+ friend class QApplicationPrivate;
+ friend class QWidget;
+
+#ifdef QT3_SUPPORT
+public:
+ QT3_SUPPORT_CONSTRUCTOR QLayout(QWidget *parent, int margin, int spacing = -1,
+ const char *name = 0);
+ QT3_SUPPORT_CONSTRUCTOR QLayout(QLayout *parentLayout, int spacing = -1, const char *name = 0);
+ QT3_SUPPORT_CONSTRUCTOR QLayout(int spacing, const char *name = 0);
+ inline QT3_SUPPORT QWidget *mainWidget() const { return parentWidget(); }
+ inline QT3_SUPPORT void remove(QWidget *w) { removeWidget(w); }
+ inline QT3_SUPPORT void add(QWidget *w) { addWidget(w); }
+
+ QT3_SUPPORT void setAutoAdd(bool a);
+ QT3_SUPPORT bool autoAdd() const;
+ inline QT3_SUPPORT QLayoutIterator iterator() { return QLayoutIterator(this,true); }
+
+ inline QT3_SUPPORT int defaultBorder() const { return spacing(); }
+#endif
+};
+
+#ifdef QT3_SUPPORT
+inline QLayoutItem *QLayoutIterator::operator++() { return layout->itemAt(++index); }
+inline QLayoutItem *QLayoutIterator::current() { return layout->itemAt(index); }
+inline QLayoutItem *QLayoutIterator::takeCurrent() { return layout->takeAt(index); }
+inline void QLayoutIterator::deleteCurrent() { delete layout->takeAt(index); }
+#endif
+
+//### support old includes
+#if 1 //def QT3_SUPPORT
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <QtGui/qboxlayout.h>
+#include <QtGui/qgridlayout.h>
+QT_END_INCLUDE_NAMESPACE
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QLAYOUT_H
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