diff options
Diffstat (limited to 'kmouth/wordcompletion/klanguagebutton.cpp')
| -rw-r--r-- | kmouth/wordcompletion/klanguagebutton.cpp | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/kmouth/wordcompletion/klanguagebutton.cpp b/kmouth/wordcompletion/klanguagebutton.cpp new file mode 100644 index 0000000..72182d4 --- /dev/null +++ b/kmouth/wordcompletion/klanguagebutton.cpp @@ -0,0 +1,238 @@ +/* + * klanguagebutton.cpp - Adds some methods for inserting languages. + * + * Copyright (c) 1999-2000 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 Library General Public License + * along with this library; see the file COPYING.LIB. 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 <kstandarddirs.h> + +#include "klanguagebutton.h" + +#include <kdebug.h> + + +static inline void checkInsertPos( QPopupMenu *popup, const QString & str, + int &index ) +{ + if ( index == -2 ) + index = popup->count(); + 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 - 1; + } + + index = a; // it doesn't really matter ... a == b here. +} + +static inline 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; +} + + +KLanguageButton::~KLanguageButton() +{ + delete m_tags; +} + +KLanguageButton::KLanguageButton( QWidget * parent, const char *name ) +: QPushButton( parent, name ), + m_popup( 0 ), + m_oldPopup( 0 ) +{ + m_tags = new QStringList; + + clear(); +} + +void KLanguageButton::insertItem( const QIconSet& icon, const QString &text, + const QString &tag, const QString &submenu, int index ) +{ + QPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu ); + checkInsertPos( pi, text, index ); + pi->insertItem( icon, text, count(), index ); + m_tags->append( tag ); +} + +void KLanguageButton::insertItem( const QString &text, const QString &tag, + const QString &submenu, int index ) +{ + QPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu ); + checkInsertPos( pi, text, index ); + pi->insertItem( text, count(), index ); + m_tags->append( tag ); +} + +void KLanguageButton::insertSeparator( const QString &submenu, int index ) +{ + QPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu ); + pi->insertSeparator( index ); + m_tags->append( QString::null ); +} + +void KLanguageButton::insertSubmenu( const QString &text, const QString &tag, + const QString &submenu, int index ) +{ + QPopupMenu *pi = checkInsertIndex( m_popup, m_tags, submenu ); + QPopupMenu *p = new QPopupMenu( pi ); + checkInsertPos( pi, text, index ); + pi->insertItem( text, p, count(), index ); + m_tags->append( tag ); + connect( p, SIGNAL( activated( int ) ), + SLOT( slotActivated( int ) ) ); + connect( p, SIGNAL( highlighted( int ) ), this, + SIGNAL( highlighted( int ) ) ); +} + +void KLanguageButton::insertLanguage( const QString& path, const QString& name, + const QString& sub, 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::slotActivated( int index ) +{ + // Update caption and iconset: + if ( m_current == index ) + return; + + setCurrentItem( index ); + + // Forward event from popup menu as if it was emitted from this widget: + emit activated( index ); +} + +int KLanguageButton::count() const +{ + return m_tags->count(); +} + +void KLanguageButton::clear() +{ + m_tags->clear(); + + delete m_oldPopup; + m_oldPopup = m_popup; + m_popup = new QPopupMenu( this ); + + setPopup( m_popup ); + + connect( m_popup, SIGNAL( activated( int ) ), + SLOT( slotActivated( int ) ) ); + connect( m_popup, SIGNAL( highlighted( int ) ), + SIGNAL( highlighted( int ) ) ); + + setText( QString::null ); + setIconSet( QIconSet() ); +} + +/*void KLanguageButton::changeLanguage( const QString& name, int i ) +{ + if ( i < 0 || i >= count() ) + return; + QString output = name + QString::fromLatin1( " (" ) + tag( i ) + + QString::fromLatin1( ")" ); + changeItem( output, i ); +}*/ + +bool KLanguageButton::containsTag( const QString &str ) const +{ + return m_tags->contains( str ) > 0; +} + +QString KLanguageButton::currentTag() const +{ + return *m_tags->at( currentItem() ); +} + +QString KLanguageButton::tag( int i ) const +{ + if ( i < 0 || i >= count() ) + { + kdDebug() << "KLanguageButton::tag(), unknown tag " << i << endl; + return QString::null; + } + return *m_tags->at( i ); +} + +int KLanguageButton::currentItem() const +{ + return m_current; +} + +void KLanguageButton::setCurrentItem( int i ) +{ + if ( i < 0 || i >= count() ) + return; + m_current = i; + + setText( m_popup->text( m_current ) ); + QIconSet *icon = m_popup->iconSet( m_current ); + if( icon ) + setIconSet( *icon ); + else + setIconSet( QPixmap() ); +} + +void KLanguageButton::setCurrentItem( const QString &code ) +{ + int i = m_tags->findIndex( code ); + if ( code.isNull() ) + i = 0; + if ( i != -1 ) + setCurrentItem( i ); +} + +#include "klanguagebutton.moc" |