klanguagebutton.cpp
/*
* klanguagebutton.cpp - Adds some methods for inserting languages.
*
* Copyright (c) 1999-2003 Hans Petter Bieker <bieker@kde.org>
*
* Requires the Qt widget libraries, available at no cost at
* http://www.trolltech.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#define INCLUDE_MENUITEM_DEF
#include <qpopupmenu.h>
#include <qlayout.h>
#include <qpushbutton.h>
#include "klanguagebutton.h"
#include "klanguagebutton.moc"
#include <kdebug.h>
static void checkInsertPos( QPopupMenu *popup, const QString & str,
int &index )
{
if ( index == -1 )
return;
int a = 0;
int b = popup->count();
while ( a < b )
{
int w = ( a + b ) / 2;
int id = popup->idAt( w );
int j = str.localeAwareCompare( popup->text( id ) );
if ( j > 0 )
a = w + 1;
else
b = w;
}
index = a; // it doesn't really matter ... a == b here.
Q_ASSERT( a == b );
}
static QPopupMenu * checkInsertIndex( QPopupMenu *popup,
const QStringList *tags, const QString &submenu )
{
int pos = tags->findIndex( submenu );
QPopupMenu *pi = 0;
if ( pos != -1 )
{
QMenuItem *p = popup->findItem( pos );
pi = p ? p->popup() : 0;
}
if ( !pi )
pi = popup;
return pi;
}
class KLanguageButtonPrivate
{
public:
QPushButton * button;
bool staticText;
};
KLanguageButton::KLanguageButton( QWidget * parent, const char *name )
: QWidget( parent, name )
{
init(name);
}
KLanguageButton::KLanguageButton( const QString & text, QWidget * parent, const char *name )
: QWidget( parent, name )
{
init(name);
setText(text);
}
void KLanguageButton::setText(const QString & text)
{
d->staticText = true;
d->button->setText(text);
d->button->setIconSet(QIconSet()); // remove the icon
}
void KLanguageButton::init(const char * name)
{
m_current = 0;
m_ids = new QStringList;
m_popup = 0;
m_oldPopup = 0;
d = new KLanguageButtonPrivate;
d->staticText = false;
QHBoxLayout *layout = new QHBoxLayout(this, 0, 0);
layout->setAutoAdd(true);
d->button = new QPushButton( this, name ); // HPB don't touch this!!
clear();
}
KLanguageButton::~KLanguageButton()
{
delete m_ids;
delete d->button;
delete d;
}
void KLanguageButton::insertLanguage( const QString& path, const QString& name,
const QString&, const QString &submenu, int index )
{
QString output = name + QString::fromLatin1( " (" ) + path +
QString::fromLatin1( ")" );
#if 0
// Nooooo ! Country != language
QPixmap flag( locate( "locale", sub + path +
QString::fromLatin1( "/flag.png" ) ) );
#endif
insertItem( output, path, submenu, index );
}
void KLanguageButton::insertItem( const QIconSet& icon, const QString &text,
const QString & id, const QString &submenu, int index )
{
QPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
checkInsertPos( pi, text, index );
pi->insertItem( icon, text, count(), index );
m_ids->append( id );
}
void KLanguageButton::insertItem( const QString &text, const QString & id,
const QString &submenu, int index )
{
insertItem( QIconSet(), text, id, submenu, index );
}
void KLanguageButton::insertSeparator( const QString &submenu, int index )
{
QPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
pi->insertSeparator( index );
m_ids->append( QString::null );
}
void KLanguageButton::insertSubmenu( const QIconSet & icon,
const QString &text, const QString &id,
const QString &submenu, int index )
{
QPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
QPopupMenu *p = new QPopupMenu( pi );
checkInsertPos( pi, text, index );
pi->insertItem( icon, text, p, count(), index );
m_ids->append( id );
connect( p, SIGNAL( activated( int ) ),
SLOT( slotActivated( int ) ) );
connect( p, SIGNAL( highlighted( int ) ), this,
SLOT( slotHighlighted( int ) ) );
}
void KLanguageButton::insertSubmenu( const QString &text, const QString &id,
const QString &submenu, int index )
{
insertSubmenu(QIconSet(), text, id, submenu, index);
}
void KLanguageButton::slotActivated( int index )
{
//kdDebug() << "slotActivated" << index << endl;
setCurrentItem( index );
// Forward event from popup menu as if it was emitted from this widget:
QString id = *m_ids->at( index );
emit activated( id );
}
void KLanguageButton::slotHighlighted( int index )
{
//kdDebug() << "slotHighlighted" << index << endl;
QString id = *m_ids->at( index );
emit ( highlighted(id) );
}
int KLanguageButton::count() const
{
return m_ids->count();
}
void KLanguageButton::clear()
{
m_ids->clear();
delete m_oldPopup;
m_oldPopup = m_popup;
m_popup = new QPopupMenu( this );
d->button->setPopup( m_popup );
connect( m_popup, SIGNAL( activated( int ) ),
SLOT( slotActivated( int ) ) );
connect( m_popup, SIGNAL( highlighted( int ) ),
SLOT( slotHighlighted( int ) ) );
if ( !d->staticText )
{
d->button->setText( QString::null );
d->button->setIconSet( QIconSet() );
}
}
bool KLanguageButton::contains( const QString & id ) const
{
return m_ids->contains( id ) > 0;
}
QString KLanguageButton::current() const
{
return *m_ids->at( currentItem() );
}
QString KLanguageButton::id( int i ) const
{
if ( i < 0 || i >= count() )
{
kdDebug() << "KLanguageButton::tag(), unknown tag " << i << endl;
return QString::null;
}
return *m_ids->at( i );
}
int KLanguageButton::currentItem() const
{
return m_current;
}
void KLanguageButton::setCurrentItem( int i )
{
if ( i < 0 || i >= count() )
return;
m_current = i;
if ( !d->staticText )
{
d->button->setText( m_popup->text( m_current ) );
QIconSet *icon = m_popup->iconSet( m_current );
if ( icon )
d->button->setIconSet( *icon );
else
d->button->setIconSet( QIconSet() );
}
}
void KLanguageButton::setCurrentItem( const QString & id )
{
int i = m_ids->findIndex( id );
if ( id.isNull() )
i = 0;
if ( i != -1 )
setCurrentItem( i );
}
locate
QString locate(const char *type, const QString &filename, const KInstance *instance=KGlobal::instance())
KLanguageButton::activated
void activated(const QString &id)
This signal is emitted when a new item is activated.
kdDebug
kdbgstream kdDebug(int area=0)
KLanguageButton::contains
bool contains(const QString &id) const
Returns TRUE if the combobox contains id.
Definition: klanguagebutton.cpp:233
KLanguageButton::setCurrentItem
void setCurrentItem(const QString &id)
Sets id as current item.
Definition: klanguagebutton.cpp:277
KLanguageButton::insertItem
void insertItem(const QIconSet &icon, const QString &text, const QString &id, const QString &submenu=QString::null, int index=-1)
Inserts an item into the combo box.
Definition: klanguagebutton.cpp:144
KLanguageButton::current
QString current() const
Returns the id of the combobox's current item.
Definition: klanguagebutton.cpp:238
KLanguageButton::clear
void clear()
Removes all combobox items.
Definition: klanguagebutton.cpp:211
KLanguageButton::~KLanguageButton
virtual ~KLanguageButton()
Deconstructor.
Definition: klanguagebutton.cpp:122
KLanguageButton::setText
void setText(const QString &text)
Changes the current text item of the combobox, and makes the text static.
Definition: klanguagebutton.cpp:98
KLanguageButton::KLanguageButton
KLanguageButton(QWidget *parent=0, const char *name=0)
Constructs a combobox widget with parent parent called name.
Definition: klanguagebutton.cpp:84
KLanguageButton::insertSeparator
void insertSeparator(const QString &submenu=QString::null, int index=-1)
Inserts a seperator item into the combo box.
Definition: klanguagebutton.cpp:159
KLanguageButton::insertSubmenu
void insertSubmenu(const QIconSet &icon, const QString &text, const QString &id, const QString &submenu=QString::null, int index=-1)
Inserts a submenu into the combo box.
Definition: klanguagebutton.cpp:166
endl
kndbgstream & endl(kndbgstream &s)

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