/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QSPLITTER_P_H #define QSPLITTER_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include "private/qframe_p.h" #include "qrubberband.h" QT_BEGIN_NAMESPACE static const uint Default = 2; class QSplitterLayoutStruct { public: QRect rect; int sizer; uint collapsed : 1; uint collapsible : 2; QWidget *widget; QSplitterHandle *handle; QSplitterLayoutStruct() : sizer(-1), collapsed(false), collapsible(Default), widget(0), handle(0) {} ~QSplitterLayoutStruct() { delete handle; } int getWidgetSize(Qt::Orientation orient); int getHandleSize(Qt::Orientation orient); int pick(const QSize &size, Qt::Orientation orient) { return (orient == Qt::Horizontal) ? size.width() : size.height(); } }; class QSplitterPrivate : public QFramePrivate { Q_DECLARE_PUBLIC(QSplitter) public: QSplitterPrivate() : rubberBand(0), opaque(true), firstShow(true), childrenCollapsible(true), compatMode(false), handleWidth(0), blockChildAdd(false) {} QPointer rubberBand; mutable QList list; Qt::Orientation orient; bool opaque : 8; bool firstShow : 8; bool childrenCollapsible : 8; bool compatMode : 8; int handleWidth; bool blockChildAdd; inline int pick(const QPoint &pos) const { return orient == Qt::Horizontal ? pos.x() : pos.y(); } inline int pick(const QSize &s) const { return orient == Qt::Horizontal ? s.width() : s.height(); } inline int trans(const QPoint &pos) const { return orient == Qt::Vertical ? pos.x() : pos.y(); } inline int trans(const QSize &s) const { return orient == Qt::Vertical ? s.width() : s.height(); } void init(); void recalc(bool update = false); void doResize(); void storeSizes(); void getRange(int index, int *, int *, int *, int *) const; void addContribution(int, int *, int *, bool) const; int adjustPos(int, int, int *, int *, int *, int *) const; bool collapsible(QSplitterLayoutStruct *) const; bool collapsible(int index) const { return (index < 0 || index >= list.size()) ? true : collapsible(list.at(index)); } QSplitterLayoutStruct *findWidget(QWidget *) const; void insertWidget_helper(int index, QWidget *widget, bool show); QSplitterLayoutStruct *insertWidget(int index, QWidget *); void doMove(bool backwards, int pos, int index, int delta, bool mayCollapse, int *positions, int *widths); void setGeo(QSplitterLayoutStruct *s, int pos, int size, bool allowCollapse); int findWidgetJustBeforeOrJustAfter(int index, int delta, int &collapsibleSize) const; void updateHandles(); void setSizes_helper(const QList &sizes, bool clampNegativeSize = false); }; class QSplitterHandlePrivate : public QWidgetPrivate { Q_DECLARE_PUBLIC(QSplitterHandle) public: QSplitterHandlePrivate() : orient(Qt::Horizontal), opaq(false), s(0), mouseOffset(0) {} inline int pick(const QPoint &pos) const { return orient == Qt::Horizontal ? pos.x() : pos.y(); } Qt::Orientation orient; bool opaq; QSplitter *s; bool hover; int mouseOffset; }; QT_END_NAMESPACE #endif