F:/KPlato/koffice/libs/koproperty/editors/fontedit.cpp

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/* 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>
   Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>

   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 "fontedit.h"
#include "editoritem.h"

#include <QPushButton>
#include <QPainter>
#include <QLayout>
#include <QVariant>
#include <QFont>
#include <QFontMetrics>
#include <QLabel>
#include <QToolTip>
#include <QEvent>
#include <QKeyEvent>
#include <QFrame>
#include <QResizeEvent>

#include <kdeversion.h>
#include <kfontrequester.h>
#include <kacceleratormanager.h>
#include <klocale.h>

class FontEditRequester : public KFontRequester
{
        public:
                FontEditRequester(QWidget* parent)
                        : KFontRequester(parent)
                {
                        QPalette pal = label()->palette();
                        pal.setColor(QPalette::Window, palette().color(QPalette::Active, QPalette::Base));
                        label()->setPalette(pal);
                        label()->setMinimumWidth(0);
                        label()->setFrameShape(QFrame::Box);
                        label()->setIndent(-1);
                        label()->setFocusPolicy(Qt::ClickFocus);
                        KAcceleratorManager::setNoAccel(label());
                        layout()->removeWidget(label());
                        layout()->removeWidget(button());//->reparent(this, 0, QPoint(0,0));
                        delete layout();
                        button()->setText(i18n("..."));
                        button()->setToolTip( i18n("Change font"));
                        button()->setFocusPolicy(Qt::NoFocus);
                        button()->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
                        QFontMetrics fm(button()->font());
                        button()->setFixedWidth(fm.width(button()->text()+' '));
                }
                virtual void resizeEvent(QResizeEvent *e)
                {
                        KFontRequester::resizeEvent(e);
                        label()->move(0,0);
                        label()->resize(e->size()-QSize(button()->width(),-1));
                        button()->move(label()->width(),0);
                        button()->setFixedSize(button()->width(), height());
                }
};

using namespace KoProperty;

FontEdit::FontEdit(Property *property, QWidget *parent)
 : Widget(property, parent)
{
        m_edit = new FontEditRequester(this);
        m_edit->setMinimumHeight(5);
        setEditor(m_edit);
        setFocusWidget(m_edit->label());
        connect(m_edit, SIGNAL(fontSelected(const QFont& )), this, SLOT(slotValueChanged(const QFont&)));
}

FontEdit::~FontEdit()
{}

QVariant
FontEdit::value() const
{
        return m_edit->font();
}

static QString sampleText(const QVariant &value)
{
        QFontInfo fi(value.value<QFont>());
        return fi.family() + (fi.bold() ? ' ' + i18n("Bold") : QString()) +
                (fi.italic() ? ' ' + i18n("Italic") : QString::null) +
                ' ' + QString::number(fi.pointSize());
}

void
FontEdit::setValue(const QVariant &value, bool emitChange)
{
        m_edit->blockSignals(true);
        m_edit->setFont(value.value<QFont>());
        m_edit->blockSignals(false);
        m_edit->setSampleText(sampleText(value));
        if (emitChange)
                emit valueChanged(this);
}

void
FontEdit::drawViewer(QPainter *p, const QColorGroup &, const QRect &r, const QVariant &value)
{
        p->eraseRect(r);
        p->setFont(value.value<QFont>());
        QRect r2(r);
        r2.setLeft(r2.left()+KPROPEDITOR_ITEM_MARGIN);
        r2.setBottom(r2.bottom()+1);
        p->drawText(r2, Qt::AlignLeft | Qt::AlignVCenter | Qt::TextSingleLine, sampleText(value));
}

void
FontEdit::slotValueChanged(const QFont &)
{
        emit valueChanged(this);
}

bool
FontEdit::eventFilter(QObject* watched, QEvent* e)
{
        if(e->type() == QEvent::KeyPress) {
                QKeyEvent* ev = static_cast<QKeyEvent*>(e);
                if(ev->key() == Qt::Key_Space) {
                        m_edit->button()->animateClick();
                        return true;
                }
        }
        return Widget::eventFilter(watched, e);
}

void
FontEdit::setReadOnlyInternal(bool readOnly)
{
        setVisibleFlag(!readOnly);
}

#include "fontedit.moc"

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