symbolcombo.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004  Alexander Dymo <cloudtemple@mskat.net>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library 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.
*/
 
#include <tqlineedit.h>
#include <tqpushbutton.h>
#include <tqlayout.h>
#include <tqpainter.h>
#include <tqvariant.h>
 
#include <kcharselect.h>
#include <tdelocale.h>
#include <kdialogbase.h>
 
#include "symbolcombo.h"
 
using namespace KoProperty;
 
SymbolCombo::SymbolCombo(Property *property, TQWidget *parent, const char *name)
 : Widget(property, parent, name)
{
    setHasBorders(false);
    TQHBoxLayout *l = new TQHBoxLayout(this);
 
    m_edit = new TQLineEdit(this);
    m_edit->setLineWidth(0);
    m_edit->setReadOnly(true);
    m_edit->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Expanding);
    m_edit->setMinimumHeight(5);
    m_edit->setMaxLength(1);
    l->addWidget(m_edit);
    m_select = new TQPushButton("...", this);
    m_select->setSizePolicy(TQSizePolicy::Maximum, TQSizePolicy::MinimumExpanding);
    m_select->setMinimumHeight(5);
    l->addWidget(m_select);
 
    connect(m_select, TQ_SIGNAL(clicked()), this, TQ_SLOT(selectChar()));
    connect(m_edit, TQ_SIGNAL(textChanged(const TQString&)), this, TQ_SLOT(slotValueChanged(const TQString&)));
}
 
SymbolCombo::~SymbolCombo()
{}
 
TQVariant
SymbolCombo::value() const
{
    if (!(m_edit->text().isNull()))
        return m_edit->text().at(0).unicode();
    else
        return 0;
}
 
void
SymbolCombo::setValue(const TQVariant &value, bool emitChange)
{
    if (!(value.isNull()))
    {
        m_edit->blockSignals(true);
        m_edit->setText(TQChar(value.toInt()));
        m_edit->blockSignals(false);
        if (emitChange)
            emit valueChanged(this);
    }
}
 
void
SymbolCombo::drawViewer(TQPainter *p, const TQColorGroup &cg, const TQRect &r, const TQVariant &value)
{
//  p->eraseRect(r);
//  p->drawText(r, TQt::AlignLeft | TQt::AlignVCenter | TQt::SingleLine, TQChar(value.toInt()));
    Widget::drawViewer(p, cg, r, TQString( TQChar(value.toInt()) ));
}
 
void
SymbolCombo::selectChar()
{
    KDialogBase dialog(this->topLevelWidget(), "charselect_dialog", true, i18n("Select Char"),
        KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok, false);
 
    KCharSelect *select = new KCharSelect(&dialog, "select_char");
    dialog.setMainWidget(select);
 
    if (!(m_edit->text().isNull()))
        select->setChar(m_edit->text().at(0));
 
    if (dialog.exec() == TQDialog::Accepted)
        m_edit->setText(select->chr());
}
 
void
SymbolCombo::slotValueChanged(const TQString&)
{
    emit valueChanged(this);
}
 
void
SymbolCombo::setReadOnlyInternal(bool readOnly)
{
    m_select->setEnabled(!readOnly);
}
 
#include "symbolcombo.moc"