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/**********************************************************************
** OTabWidget
**
** Modified tab widget control
**
** Copyright (C) 2002, Dan Williams
** williamsdr@acm.org
** http://draknor.net
**
** 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.
**
**********************************************************************/
#include "otabwidget.h"
#include <qpe/config.h>
#include <qpe/resource.h>
#include <qcombobox.h>
#include <qtabbar.h>
#include <qwidgetstack.h>
OTabWidget::OTabWidget( QWidget *parent, const char *name = 0x0,
TabStyle s = Global, TabPosition p = Top )
: QWidget( parent, name )
{
if ( s == Global )
{
Config config( "qpe" );
config.setGroup( "Appearance" );
tabBarStyle = ( TabStyle ) config.readNumEntry( "TabStyle", (int) IconTab );
if ( tabBarStyle <= Global || tabBarStyle > IconList)
{
tabBarStyle = IconTab;
}
QString pos = config.readEntry( "TabPosition", "Top");
if ( pos == "Top" )
{
tabBarPosition = Top;
}
else
{
tabBarPosition = Bottom;
}
}
else
{
tabBarStyle = s;
tabBarPosition = p;
}
widgetStack = new QWidgetStack( this, "widgetstack" );
widgetStack->setFrameStyle( QFrame::StyledPanel | QFrame::Raised );
widgetStack->setLineWidth( style().defaultFrameWidth() );
tabBarStack = new QWidgetStack( this, "tabbarstack" );
tabBar = new QTabBar( tabBarStack, "tabbar" );
tabBarStack->addWidget( tabBar, 0 );
connect( tabBar, SIGNAL( selected( int ) ), this, SLOT( slotTabBarSelected( int ) ) );
tabList = new QComboBox( false, tabBarStack, "tablist" );
tabBarStack->addWidget( tabList, 1 );
connect( tabList, SIGNAL( activated( int ) ), this, SLOT( slotTabListSelected( int ) ) );
if ( tabBarStyle == TextTab || tabBarStyle == IconTab )
{
tabBarStack->raiseWidget( tabBar );
}
else if ( tabBarStyle == TextList || tabBarStyle == IconList )
{
tabBarStack->raiseWidget( tabList );
}
if ( tabBarPosition == Bottom )
{
tabBar->setShape( QTabBar::RoundedBelow );
}
currentTab= 0x0;
}
OTabWidget::~OTabWidget()
{
}
void OTabWidget::addTab( QWidget *child, const QString &icon, const QString &label )
{
QPixmap iconset = loadSmooth( icon );
// Add to tabBar
QTab * tab = new QTab();
if ( tabBarStyle == IconTab )
{
tab->label = QString::null;
}
else
{
tab->label = label;
}
if ( tabBarStyle == IconTab || tabBarStyle == IconList)
{
tab->iconset = new QIconSet( iconset );
}
int tabid = tabBar->addTab( tab );
// Add to tabList
if ( tabBarStyle == IconTab || tabBarStyle == IconList )
{
tabList->insertItem( iconset, label, -1 );
}
else
{
tabList->insertItem( label );
}
// Add child to widget list
widgetStack->addWidget( child, tabid );
widgetStack->raiseWidget( child );
// Save tab information
TabInfo *tabinfo = new TabInfo( tabid, child, icon, label );
tabs.append( tabinfo );
selectTab( tabinfo );
// setUpLayout();
}
void OTabWidget::setCurrentTab( QWidget *childwidget )
{
TabInfo *newtab = tabs.first();
while ( newtab && newtab->control() != childwidget )
{
newtab = tabs.next();
}
if ( newtab && newtab->control() == childwidget )
{
selectTab( newtab );
}
}
void OTabWidget::setCurrentTab( QString tabname )
{
TabInfo *newtab = tabs.first();
while ( newtab && newtab->label() != tabname )
{
newtab = tabs.next();
}
if ( newtab && newtab->label() == tabname )
{
selectTab( newtab );
}
}
OTabWidget::TabStyle OTabWidget::tabStyle() const
{
return tabBarStyle;
}
void OTabWidget::setTabStyle( TabStyle s )
{
tabBarStyle = s;
}
OTabWidget::TabPosition OTabWidget::tabPosition() const
{
return tabBarPosition;
}
void OTabWidget::setTabPosition( TabPosition p )
{
tabBarPosition = p;
}
void OTabWidget::slotTabBarSelected( int id )
{
TabInfo *newtab = tabs.first();
while ( newtab && newtab->id() != id )
{
newtab = tabs.next();
}
if ( newtab && newtab->id() == id )
{
selectTab( newtab );
}
}
void OTabWidget::slotTabListSelected( int index )
{
TabInfo *newtab = tabs.at( index );
if ( newtab )
{
selectTab( newtab );
}
}
QPixmap OTabWidget::loadSmooth( const QString &name )
{
QImage image = Resource::loadImage( name );
QPixmap pixmap;
pixmap.convertFromImage( image.smoothScale( 16, 16 ) );
return pixmap;
}
void OTabWidget::selectTab( TabInfo *tab )
{
if ( tabBarStyle == IconTab )
{
if ( currentTab )
{
tabBar->tab( currentTab->id() )->setText( QString::null );
setUpLayout();
}
tabBar->tab( tab->id() )->setText( tab->label() );
currentTab = tab;
}
tabBar->setCurrentTab( tab->id() );
setUpLayout();
tabBar->update();
widgetStack->raiseWidget( tab->control() );
}
void OTabWidget::setUpLayout()
{
tabBar->layoutTabs();
QSize t( tabBarStack->sizeHint() );
if ( t.width() > width() )
t.setWidth( width() );
int lw = widgetStack->lineWidth();
if ( tabBarPosition == Bottom )
{
tabBarStack->setGeometry( QMAX(0, lw-2), height() - t.height() - lw, t.width(), t.height() );
widgetStack->setGeometry( 0, 0, width(), height()-t.height()+QMAX(0, lw-2) );
}
else
{ // Top
tabBarStack->setGeometry( QMAX(0, lw-2), 0, t.width(), t.height() );
widgetStack->setGeometry( 0, t.height()-lw, width(), height()-t.height()+QMAX(0, lw-2));
}
// if ( !onlyCheck )
// update();
if ( autoMask() )
updateMask();
}
QSize OTabWidget::sizeHint() const
{
QSize s( widgetStack->sizeHint() );
QSize t( tabBarStack->sizeHint() );
return QSize( QMAX( s.width(), t.width()), s.height() + t.height() );
}
void OTabWidget::resizeEvent( QResizeEvent * )
{
setUpLayout();
}
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