Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 284 insertions, 0 deletions

diff --git a/kdeui/klanguagebutton.cpp b/kdeui/klanguagebutton.cpp
new file mode 100644
index 000000000..ed70b5ea0
--- /dev/null
+++ b/kdeui/klanguagebutton.cpp
@@ -0,0 +1,284 @@
+/*
+ * 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 );
+}