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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qt Designer.
**
** 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.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef LAYOUT_H
#define LAYOUT_H
#include <qwidget.h>
#include <qmap.h>
#include <qguardedptr.h>
#include <qobject.h>
#include <qlayout.h>
#include <qwidgetlist.h>
class FormWindow;
class QPaintEvent;
class Layout : public QObject
{
Q_OBJECT
public:
Layout( const QWidgetList &wl, QWidget *p, FormWindow *fw, QWidget *lb, bool doSetup = TRUE, bool splitter = FALSE );
virtual ~Layout() {}
virtual void doLayout() = 0;
virtual void undoLayout();
virtual void breakLayout();
virtual bool prepareLayout( bool &needMove, bool &needReparent );
virtual void finishLayout( bool needMove, QLayout *layout );
protected:
QWidgetList widgets;
QWidget *parent;
QPoint startPoint;
QMap<QGuardedPtr<QWidget>, QRect> geometries;
QWidget *layoutBase;
FormWindow *formWindow;
QRect oldGeometry;
bool isBreak;
bool useSplitter;
protected:
virtual void setup();
protected slots:
void widgetDestroyed();
};
class HorizontalLayout : public Layout
{
public:
HorizontalLayout( const QWidgetList &wl, QWidget *p, FormWindow *fw, QWidget *lb, bool doSetup = TRUE, bool splitter = FALSE );
void doLayout();
protected:
void setup();
};
class VerticalLayout : public Layout
{
public:
VerticalLayout( const QWidgetList &wl, QWidget *p, FormWindow *fw, QWidget *lb, bool doSetup = TRUE, bool splitter = FALSE );
void doLayout();
protected:
void setup();
};
class Grid;
class GridLayout : public Layout
{
public:
GridLayout( const QWidgetList &wl, QWidget *p, FormWindow *fw, QWidget *lb, const QSize &res, bool doSetup = TRUE );
~GridLayout();
void doLayout();
protected:
void setup();
protected:
void buildGrid();
QSize resolution;
Grid* grid;
};
class Spacer : public QWidget
{
Q_OBJECT
Q_OVERRIDE( QCString name )
Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
Q_ENUMS( SizeType )
Q_PROPERTY( SizeType sizeType READ sizeType WRITE setSizeType )
Q_PROPERTY( QSize sizeHint READ sizeHint WRITE setSizeHint DESIGNABLE true STORED true )
Q_OVERRIDE( QRect geometry DESIGNABLE false )
private:
enum { HSize = 6, HMask = 0x3f, VMask = HMask << HSize,
MayGrow = 1, ExpMask = 2, MayShrink = 4 };
public:
enum SizeType { Fixed = 0,
Minimum = MayGrow,
Maximum = MayShrink,
Preferred = MayGrow|MayShrink ,
MinimumExpanding = Minimum|ExpMask,
Expanding = MinimumExpanding|MayShrink };
Spacer( QWidget *parent, const char *name );
QSize minimumSize() const;
QSize sizeHint() const;
void setSizeType( SizeType t );
SizeType sizeType() const;
int alignment() const;
Orientation orientation() const;
void setOrientation( Orientation o );
void setInteraciveMode( bool b ) { interactive = b; };
void setSizeHint( const QSize &s );
protected:
void paintEvent( QPaintEvent *e );
void resizeEvent( QResizeEvent* e );
void updateMask();
Qt::Orientation orient;
bool interactive;
QSize sh;
};
class QDesignerGridLayout : public QGridLayout
{
Q_OBJECT
public:
QDesignerGridLayout( QWidget *parent ) : QGridLayout( parent ){};
QDesignerGridLayout( QLayout *parentLayout ) : QGridLayout( parentLayout ){};
void addWidget( QWidget *, int row, int col, int align = 0 );
void addMultiCellWidget( QWidget *, int fromRow, int toRow,
int fromCol, int toCol, int align = 0 );
struct Item
{
Item(): row(0), column(0),rowspan(1),colspan(1){}
Item( int r, int c, int rs, int cs): row(r), column(c), rowspan(rs), colspan(cs){}
int row;
int column;
int rowspan;
int colspan;
};
QMap<QWidget*, Item> items;
};
#endif
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