/**************************************************************************** | |
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
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** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** | |
** 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. | |
** | |
** 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 | |
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****************************************************************************/ | |
#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<QRubberBand> rubberBand; | |
mutable QList<QSplitterLayoutStruct *> 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<int> &sizes, bool clampNegativeSize = false); | |
}; | |
class QSplitterHandlePrivate : public QWidgetPrivate | |
{ | |
Q_DECLARE_PUBLIC(QSplitterHandle) | |
public: | |
QSplitterHandlePrivate() : s(0), orient(Qt::Horizontal), mouseOffset(0), opaq(false), hover(false), pressed(false) {} | |
inline int pick(const QPoint &pos) const | |
{ return orient == Qt::Horizontal ? pos.x() : pos.y(); } | |
QSplitter *s; | |
Qt::Orientation orient; | |
int mouseOffset; | |
bool opaq : 1; | |
bool hover : 1; | |
bool pressed : 1; | |
}; | |
QT_END_NAMESPACE | |
#endif |