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-rw-r--r--kdeui/klanguagebutton.cpp284
1 files changed, 284 insertions, 0 deletions
diff --git a/kdeui/klanguagebutton.cpp b/kdeui/klanguagebutton.cpp
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+++ b/kdeui/klanguagebutton.cpp
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+/*
+ * 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 );
+}