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tdesdk/kompare/komparepart/kompare_qsplitter.h

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/****************************************************************************
**
**
** Definition of KQSplitter class
**
** Created : 980105
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the widgets module of the TQt 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 KQSPLITTER_H
#define KQSPLITTER_H
#include "tqframe.h"
#include "tqvaluelist.h"
#ifndef TQT_NO_SPLITTER
//class KQSplitterHandle;
class KQSplitterLayoutStruct;
class TQTextStream;
class KQSplitterPrivate
{
public:
KQSplitterPrivate()
: opaque( FALSE ), firstShow( TRUE ), tqchildrenCollapsible( TRUE ),
handleWidth( 0 ) { }
TQPtrList<KQSplitterLayoutStruct> list;
bool opaque : 8;
bool firstShow : 8;
bool tqchildrenCollapsible : 8;
int handleWidth;
};
class TQ_EXPORT KQSplitter : public TQFrame
{
Q_OBJECT
TQ_OBJECT
TQ_PROPERTY( Qt::Orientation orientation READ orientation WRITE setOrientation )
TQ_PROPERTY( bool opaqueResize READ opaqueResize WRITE setOpaqueResize )
TQ_PROPERTY( int handleWidth READ handleWidth WRITE setHandleWidth )
TQ_PROPERTY( bool tqchildrenCollapsible READ tqchildrenCollapsible WRITE setChildrenCollapsible )
public:
// ### TQt 4.0: remove Auto from public API
enum ResizeMode { Stretch, KeepSize, FollowSizeHint, Auto };
KQSplitter( TQWidget* tqparent = 0, const char* name = 0 );
KQSplitter( Qt::Orientation, TQWidget* tqparent = 0, const char* name = 0 );
~KQSplitter();
virtual void setOrientation( Qt::Orientation );
Qt::Orientation orientation() const { return orient; }
// ### TQt 4.0: make setChildrenCollapsible() and setCollapsible() virtual
void setChildrenCollapsible( bool );
bool tqchildrenCollapsible() 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 tqsizeHint() const;
TQSize tqminimumSizeHint() 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( TQCOORD pos, int id );
virtual void drawSplitter( TQPainter*, TQCOORD x, TQCOORD y,
TQCOORD w, TQCOORD 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( KQSplitterLayoutStruct * );
void processChildEvents();
KQSplitterLayoutStruct *findWidget( TQWidget * );
KQSplitterLayoutStruct *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 TQCOORD pick( const TQPoint &p ) const
{ return orient ==Qt::Horizontal ? p.x() : p.y(); }
inline TQCOORD pick( const TQSize &s ) const
{ return orient ==Qt::Horizontal ? s.width() : s.height(); }
inline TQCOORD trans( const TQPoint &p ) const
{ return orient ==Qt::Vertical ? p.x() : p.y(); }
inline TQCOORD trans( const TQSize &s ) const
{ return orient ==Qt::Vertical ? s.width() : s.height(); }
KQSplitterPrivate *d;
Qt::Orientation orient;
friend class KQSplitterHandle;
#ifndef TQT_NO_TEXTSTREAM
// tqmoc doesn't like these.
// friend TQ_EXPORT TQTextStream& operator<<( TQTextStream&, const KQSplitter& );
// friend TQ_EXPORT TQTextStream& operator>>( TQTextStream&, KQSplitter& );
#endif
public:
#if defined(TQ_DISABLE_COPY)
KQSplitter( const KQSplitter & );
KQSplitter& operator=( const KQSplitter & );
#endif
};
#ifndef TQT_NO_TEXTSTREAM
TQ_EXPORT TQTextStream& operator<<( TQTextStream&, const KQSplitter& );
TQ_EXPORT TQTextStream& operator>>( TQTextStream&, KQSplitter& );
#endif
class KQSplitterHandle : public TQWidget
{
Q_OBJECT
TQ_OBJECT
public:
KQSplitterHandle( Qt::Orientation o,
KQSplitter *tqparent, const char* name=0 );
void setOrientation( Qt::Orientation o );
Qt::Orientation orientation() const { return orient; }
bool opaque() const { return s->opaqueResize(); }
TQSize tqsizeHint() 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 (:
Qt::Orientation orient;
bool opaq;
int myId;
KQSplitter *s;
};
const uint Default = 2;
class KQSplitterLayoutStruct : public TQt
{
public:
TQCOORD sizer;
uint isHandle : 1;
uint collapsible : 2;
uint resizeMode : 2;
TQWidget *wid;
KQSplitterLayoutStruct()
: sizer( -1 ), collapsible( Default ) { }
TQCOORD getSizer( Qt::Orientation orient );
};
#endif // TQT_NO_SPLITTER
#endif // KQSPLITTER_H