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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "listbox.h"
#include <qlabel.h>
#include <qradiobutton.h>
#include <qcheckbox.h>
#include <qspinbox.h>
#include <qlistbox.h>
#include <qbuttongroup.h>
#include <qlayout.h>
#include <qpushbutton.h>
ListBoxDemo::ListBoxDemo()
: TQWidget( 0, 0 )
{
TQGridLayout * g = new TQGridLayout( this, 2, 2, 6 );
g->addWidget( new TQLabel( "<b>Configuration:</b>", this ), 0, 0 );
g->addWidget( new TQLabel( "<b>Result:</b>", this ), 0, 1 );
l = new TQListBox( this );
g->addWidget( l, 1, 1 );
l->setFocusPolicy( TQWidget::StrongFocus );
TQVBoxLayout * v = new TQVBoxLayout;
g->addLayout( v, 1, 0 );
TQRadioButton * b;
bg = new TQButtonGroup( 0 );
b = new TQRadioButton( "Fixed number of columns,\n"
"as many rows as needed.",
this );
bg->insert( b );
v->addWidget( b );
b->setChecked( TRUE );
connect( b, SIGNAL(clicked()), this, SLOT(setNumCols()) );
TQHBoxLayout * h = new TQHBoxLayout;
v->addLayout( h );
h->addSpacing( 30 );
h->addSpacing( 100 );
h->addWidget( new TQLabel( "Columns:", this ) );
columns = new TQSpinBox( this );
h->addWidget( columns );
v->addSpacing( 12 );
b = new TQRadioButton( "As many columns as fit on-screen,\n"
"as many rows as needed.",
this );
bg->insert( b );
v->addWidget( b );
connect( b, SIGNAL(clicked()), this, SLOT(setColsByWidth()) );
v->addSpacing( 12 );
b = new TQRadioButton( "Fixed number of rows,\n"
"as many columns as needed.",
this );
bg->insert( b );
v->addWidget( b );
connect( b, SIGNAL(clicked()), this, SLOT(setNumRows()) );
h = new TQHBoxLayout;
v->addLayout( h );
h->addSpacing( 30 );
h->addSpacing( 100 );
h->addWidget( new TQLabel( "Rows:", this ) );
rows = new TQSpinBox( this );
rows->setEnabled( FALSE );
h->addWidget( rows );
v->addSpacing( 12 );
b = new TQRadioButton( "As many rows as fit on-screen,\n"
"as many columns as needed.",
this );
bg->insert( b );
v->addWidget( b );
connect( b, SIGNAL(clicked()), this, SLOT(setRowsByHeight()) );
v->addSpacing( 12 );
TQCheckBox * cb = new TQCheckBox( "Variable-height rows", this );
cb->setChecked( TRUE );
connect( cb, SIGNAL(toggled(bool)), this, SLOT(setVariableHeight(bool)) );
v->addWidget( cb );
v->addSpacing( 6 );
cb = new TQCheckBox( "Variable-width columns", this );
connect( cb, SIGNAL(toggled(bool)), this, SLOT(setVariableWidth(bool)) );
v->addWidget( cb );
cb = new TQCheckBox( "Extended-Selection", this );
connect( cb, SIGNAL(toggled(bool)), this, SLOT(setMultiSelection(bool)) );
v->addWidget( cb );
TQPushButton *pb = new TQPushButton( "Sort ascending", this );
connect( pb, SIGNAL( clicked() ), this, SLOT( sortAscending() ) );
v->addWidget( pb );
pb = new TQPushButton( "Sort descending", this );
connect( pb, SIGNAL( clicked() ), this, SLOT( sortDescending() ) );
v->addWidget( pb );
v->addStretch( 100 );
int i = 0;
while( ++i <= 2560 )
l->insertItem( TQString::fromLatin1( "Item " ) + TQString::number( i ),
i );
columns->setRange( 1, 256 );
columns->setValue( 1 );
rows->setRange( 1, 256 );
rows->setValue( 256 );
connect( columns, SIGNAL(valueChanged(int)), this, SLOT(setNumCols()) );
connect( rows, SIGNAL(valueChanged(int)), this, SLOT(setNumRows()) );
}
ListBoxDemo::~ListBoxDemo()
{
delete bg;
}
void ListBoxDemo::setNumRows()
{
columns->setEnabled( FALSE );
rows->setEnabled( TRUE );
l->setRowMode( rows->value() );
}
void ListBoxDemo::setNumCols()
{
columns->setEnabled( TRUE );
rows->setEnabled( FALSE );
l->setColumnMode( columns->value() );
}
void ListBoxDemo::setRowsByHeight()
{
columns->setEnabled( FALSE );
rows->setEnabled( FALSE );
l->setRowMode( TQListBox::FitToHeight );
}
void ListBoxDemo::setColsByWidth()
{
columns->setEnabled( FALSE );
rows->setEnabled( FALSE );
l->setColumnMode( TQListBox::FitToWidth );
}
void ListBoxDemo::setVariableWidth( bool b )
{
l->setVariableWidth( b );
}
void ListBoxDemo::setVariableHeight( bool b )
{
l->setVariableHeight( b );
}
void ListBoxDemo::setMultiSelection( bool b )
{
l->clearSelection();
l->setSelectionMode( b ? TQListBox::Extended : TQListBox::Single );
}
void ListBoxDemo::sortAscending()
{
l->sort( TRUE );
}
void ListBoxDemo::sortDescending()
{
l->sort( FALSE );
}
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