/****************************************************************************
** $Id: qlayout.h,v 2.19.2.2 1998/08/21 19:13:23 hanord Exp $
**
** Definition of layout classes
**
** Created : 960416
**
** Copyright (C) 1992-1999 Troll Tech AS. All rights reserved.
**
** This file is part of Qt Free Edition, version 1.45.
**
** See the file LICENSE included in the distribution for the usage
** and distribution terms, or http://www.troll.no/free-license.html.
**
** IMPORTANT NOTE: You may NOT copy this file or any part of it into
** your own programs or libraries.
**
** Please see http://www.troll.no/pricing.html for information about
** Qt Professional Edition, which is this same library but with a
** license which allows creation of commercial/proprietary software.
**
*****************************************************************************/
#ifndef QLAYOUT_H
#define QLAYOUT_H
#ifndef QT_H
#include "qgmanager.h"
#include "qlist.h"
#endif // QT_H
class QMenuBar;
struct QLayoutData;
class Q_EXPORT QLayout : public QObject
{
Q_OBJECT
public:
virtual ~QLayout();
int defaultBorder() const { return defBorder; }
enum { unlimited = QCOORD_MAX };
virtual bool activate();
void freeze( int w, int h );
void freeze() { freeze( 0, 0 ); }
void setMenuBar( QMenuBar *w );
QWidget *mainWidget();
protected:
QLayout( QWidget *parent, int border,
int autoBorder, const char *name );
QLayout( int autoBorder = -1, const char *name=0 );
QGManager *basicManager() { return bm; }
virtual QChain *mainVerticalChain() = 0;
virtual QChain *mainHorizontalChain() = 0;
virtual void initGM() = 0;
void addChildLayout( QLayout *);
static QChain *verChain( QLayout *l ) { return l->mainVerticalChain(); }
static QChain *horChain( QLayout *l ) { return l->mainHorizontalChain(); }
private:
QGManager * bm;
int defBorder;
bool topLevel;
QLayoutData *extraData;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QLayout( const QLayout & );
QLayout &operator=( const QLayout & );
#endif
};
class Q_EXPORT QBoxLayout : public QLayout
{
Q_OBJECT
public:
enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
Down = TopToBottom, Up = BottomToTop };
QBoxLayout( QWidget *parent, Direction, int border=0,
int autoBorder = -1, const char *name=0 );
QBoxLayout( Direction, int autoBorder = -1,
const char *name=0 );
~QBoxLayout();
void addSpacing( int size );
void addStretch( int stretch = 0 );
void addWidget( QWidget *, int stretch = 0, int alignment = AlignCenter );
void addLayout( QLayout *layout, int stretch = 0 );
Direction direction() const { return (Direction)dir; }
void addStrut( int );
protected:
QChain *mainVerticalChain();
QChain *mainHorizontalChain();
void initGM();
private:
void addB( QLayout *, int stretch );
QGManager::Direction dir;
QChain * parChain;
QChain * serChain;
bool pristine;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QBoxLayout( const QBoxLayout & );
QBoxLayout &operator=( const QBoxLayout & );
#endif
};
class Q_EXPORT QHBoxLayout : public QBoxLayout
{
Q_OBJECT
public:
QHBoxLayout( QWidget *parent, int border=0,
int autoBorder = -1, const char *name=0 );
QHBoxLayout( int autoBorder = -1, const char *name=0 );
~QHBoxLayout();
};
class Q_EXPORT QVBoxLayout : public QBoxLayout
{
Q_OBJECT
public:
QVBoxLayout( QWidget *parent, int border=0,
int autoBorder = -1, const char *name=0 );
QVBoxLayout( int autoBorder = -1, const char *name=0 );
~QVBoxLayout();
};
class Q_EXPORT QGridLayout : public QLayout
{
Q_OBJECT
public:
QGridLayout( QWidget *parent, int nRows, int nCols, int border=0,
int autoBorder = -1, const char *name=0 );
QGridLayout( int nRows, int nCols, int autoBorder = -1,
const char *name=0 );
~QGridLayout();
void addWidget( QWidget *, int row, int col, int align = 0 );
void addMultiCellWidget( QWidget *, int fromRow, int toRow,
int fromCol, int toCol, int align = 0 );
void addLayout( QLayout *layout, int row, int col);
void setRowStretch( int row, int stretch );
void setColStretch( int col, int stretch );
void addRowSpacing( int row, int minsize );
void addColSpacing( int col, int minsize );
int numRows() const { return rr; }
int numCols() const { return cc; }
void expand( int rows, int cols );
protected:
QChain *mainVerticalChain() { return verChain; }
QChain *mainHorizontalChain() { return horChain; }
void initGM();
private:
QArray<QChain*> *rows;
QArray<QChain*> *cols;
QChain *horChain;
QChain *verChain;
void init ( int r, int c );
int rr;
int cc;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QGridLayout( const QGridLayout & );
QGridLayout &operator=( const QGridLayout & );
#endif
};
#endif // QLAYOUT_H
| Copyright © 1999 Troll Tech | Trademarks | Qt version 1.45
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