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/****************************************************************************
**
**
** Definition of TQSplitter class
**
** Created : 980105
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
**********************************************************************/
#ifndef QSPLITTER_H
#define QSPLITTER_H
#ifndef QT_H
#include "tqframe.h"
#include "tqvaluelist.h"
#endif // QT_H
#ifndef QT_NO_SPLITTER
//class QSplitterHandle;
class QSplitterLayoutStruct;
class TQTextStream;
class QSplitterPrivate
{
public:
QSplitterPrivate()
: opaque( FALSE ), firstShow( TRUE ), childrenCollapsible( TRUE ),
handleWidth( 0 ) { }
TQPtrList<QSplitterLayoutStruct> list;
bool opaque : 8;
bool firstShow : 8;
bool childrenCollapsible : 8;
int handleWidth;
};
class Q_EXPORT TQSplitter : public QFrame
{
Q_OBJECT
Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
Q_PROPERTY( bool opaqueResize READ opaqueResize WRITE setOpaqueResize )
Q_PROPERTY( int handleWidth READ handleWidth WRITE setHandleWidth )
Q_PROPERTY( bool childrenCollapsible READ childrenCollapsible WRITE setChildrenCollapsible )
public:
// ### Qt 4.0: remove Auto from public API
enum ResizeMode { Stretch, KeepSize, FollowSizeHint, Auto };
TQSplitter( TQWidget* parent = 0, const char* name = 0 );
TQSplitter( Orientation, TQWidget* parent = 0, const char* name = 0 );
~TQSplitter();
virtual void setOrientation( Orientation );
Orientation orientation() const { return orient; }
// ### Qt 4.0: make setChildrenCollapsible() and setCollapsible() virtual
void setChildrenCollapsible( bool );
bool childrenCollapsible() const;
void setCollapsible( TQWidget *w, bool );
virtual void setResizeMode( TQWidget *w, ResizeMode );
virtual void setOpaqueResize( bool = TRUE );
bool opaqueResize() const;
void moveToFirst( TQWidget * );
void moveToLast( TQWidget * );
void refresh() { recalc( TRUE ); }
TQSize sizeHint() const;
TQSize minimumSizeHint() const;
TQValueList<int> sizes() const;
void setSizes( TQValueList<int> );
int handleWidth() const;
void setHandleWidth( int );
protected:
void childEvent( TQChildEvent * );
bool event( TQEvent * );
void resizeEvent( TQResizeEvent * );
int idAfter( TQWidget* ) const;
void moveSplitter( QCOORD pos, int id );
virtual void drawSplitter( TQPainter*, QCOORD x, QCOORD y,
QCOORD w, QCOORD h );
void styleChange( TQStyle& );
int adjustPos( int, int );
virtual void setRubberband( int );
void getRange( int id, int *, int * );
public: // private (:
enum { DefaultResizeMode = 3 };
void init();
void recalc( bool update = FALSE );
void doResize();
void storeSizes();
void getRange( int id, int *, int *, int *, int * );
void addContribution( int, int *, int *, bool );
int adjustPos( int, int, int *, int *, int *, int * );
bool collapsible( QSplitterLayoutStruct * );
void processChildEvents();
QSplitterLayoutStruct *findWidget( TQWidget * );
QSplitterLayoutStruct *addWidget( TQWidget *, bool prepend = FALSE );
void recalcId();
void doMove( bool backwards, int pos, int id, int delta, bool upLeft,
bool mayCollapse );
void setGeo( TQWidget *w, int pos, int size, bool splitterMoved );
int findWidgetJustBeforeOrJustAfter( int id, int delta, int &collapsibleSize );
void updateHandles();
inline QCOORD pick( const TQPoint &p ) const
{ return orient == Horizontal ? p.x() : p.y(); }
inline QCOORD pick( const TQSize &s ) const
{ return orient == Horizontal ? s.width() : s.height(); }
inline QCOORD trans( const TQPoint &p ) const
{ return orient == Vertical ? p.x() : p.y(); }
inline QCOORD trans( const TQSize &s ) const
{ return orient == Vertical ? s.width() : s.height(); }
QSplitterPrivate *d;
Orientation orient;
friend class QSplitterHandle;
#ifndef QT_NO_TEXTSTREAM
// moc doesn't like these.
// friend Q_EXPORT TQTextStream& operator<<( TQTextStream&, const TQSplitter& );
// friend Q_EXPORT TQTextStream& operator>>( TQTextStream&, TQSplitter& );
#endif
public:
#if defined(Q_DISABLE_COPY)
TQSplitter( const TQSplitter & );
TQSplitter& operator=( const TQSplitter & );
#endif
};
#ifndef QT_NO_TEXTSTREAM
Q_EXPORT TQTextStream& operator<<( TQTextStream&, const TQSplitter& );
Q_EXPORT TQTextStream& operator>>( TQTextStream&, TQSplitter& );
#endif
class QSplitterHandle : public QWidget
{
Q_OBJECT
public:
QSplitterHandle( Orientation o,
TQSplitter *parent, const char* name=0 );
void setOrientation( Orientation o );
Orientation orientation() const { return orient; }
bool opaque() const { return s->opaqueResize(); }
TQSize sizeHint() const;
int id() const { return myId; } // d->list.at(id())->wid == this
void setId( int i ) { myId = i; }
protected:
void paintEvent( TQPaintEvent * );
void mouseMoveEvent( TQMouseEvent * );
void mousePressEvent( TQMouseEvent * );
void mouseReleaseEvent( TQMouseEvent * );
public: // private (:
Orientation orient;
bool opaq;
int myId;
TQSplitter *s;
};
const uint Default = 2;
class QSplitterLayoutStruct : public Qt
{
public:
QCOORD sizer;
uint isHandle : 1;
uint collapsible : 2;
uint resizeMode : 2;
TQWidget *wid;
QSplitterLayoutStruct()
: sizer( -1 ), collapsible( Default ) { }
QCOORD getSizer( Orientation orient );
};
#endif // QT_NO_SPLITTER
#endif // QSPLITTER_H
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