plasma-framework/widgets/lineedit.cpp

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/*
* Copyright (C) 2007 by Alexander Wiedenbruch <mail@wiedenbruch.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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 program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "lineedit.h"
#include <QStyleOptionFrameV2>
#include <QTextDocument>
namespace Plasma
{
class LineEdit::Private
{
};
LineEdit::LineEdit(QGraphicsItem *parent, QGraphicsScene *scene)
: QGraphicsTextItem(parent, scene),
d(new Private())
{
setTextInteractionFlags(Qt::TextEditorInteraction);
}
LineEdit::~LineEdit()
{
delete d;
}
void LineEdit::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QStyleOptionFrameV2 panel;
panel.initFrom(widget);
panel.state = option->state;
panel.rect = boundingRect().toRect();
widget->style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, painter, widget);
widget->style()->drawPrimitive(QStyle::PE_FrameLineEdit, &panel, painter, widget);
// QGraphicsTextItem paints a black frame when it has focus
// and is selected. We want to use our own frame, so we
// clear these flags.
QStyleOptionGraphicsItem *style = const_cast<QStyleOptionGraphicsItem*>(option);
style->state &= ~(QStyle::State_Selected | QStyle::State_HasFocus);
QGraphicsTextItem::paint(painter, style, widget);
}
void LineEdit::updated(const QString&, const DataEngine::Data& data)
{
DataEngine::DataIterator it(data);
QString text;
while (it.hasNext()) {
it.next();
if (it.value().canConvert(QVariant::String)) {
text.append(QString("<p><b>%1</b>: %2</p>").arg(it.key(), it.value().toString()));
}
}
setHtml(text);
}
Qt::Orientations LineEdit::expandingDirections() const
{
return Qt::Vertical;
}
QSizeF LineEdit::minimumSize() const
{
return boundingRect().size();
}
QSizeF LineEdit::maximumSize() const
{
return minimumSize();
}
bool LineEdit::hasHeightForWidth() const
{
return true;
}
qreal LineEdit::heightForWidth(qreal w) const
{
QTextDocument* doc = document();
doc->setTextWidth(w);
qreal height = doc->size().height();
kDebug() << "LineEdit::heightForWidth(" << w << ") is " << height << endl;
return height;
}
bool LineEdit::hasWidthForHeight() const
{
return false;
}
qreal LineEdit::widthForHeight(qreal h) const
{
return 0;
}
QRectF LineEdit::geometry() const
{
return boundingRect().toRect();
}
void LineEdit::setGeometry(const QRectF& geometry)
{
prepareGeometryChange();
setTextWidth(geometry.width());
update();
}
QSizeF LineEdit::sizeHint() const
{
kDebug() << "LineEdit::sizeeHint() " << document()->size() << endl;
return document()->size();
}
} // namespace Plasma
#include "lineedit.moc"