151 lines
3.7 KiB
C++
151 lines
3.7 KiB
C++
/*
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* Copyright (C) 2007 by Alexander Wiedenbruch <mail@wiedenbruch.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "lineedit.h"
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#include <QStyleOptionFrameV2>
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#include <QTextDocument>
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#include <QKeyEvent>
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namespace Plasma
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{
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class LineEdit::Private
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{
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};
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LineEdit::LineEdit(QGraphicsItem *parent, QGraphicsScene *scene)
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: QGraphicsTextItem(parent, scene),
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d(new Private())
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{
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setTextInteractionFlags(Qt::TextEditorInteraction);
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}
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LineEdit::~LineEdit()
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{
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delete d;
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}
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void LineEdit::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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QStyleOptionFrameV2 panel;
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panel.initFrom(widget);
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panel.state = option->state;
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panel.rect = boundingRect().toRect();
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widget->style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, painter, widget);
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widget->style()->drawPrimitive(QStyle::PE_FrameLineEdit, &panel, painter, widget);
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// QGraphicsTextItem paints a black frame when it has focus
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// and is selected. We want to use our own frame, so we
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// clear these flags.
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QStyleOptionGraphicsItem *style = const_cast<QStyleOptionGraphicsItem*>(option);
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style->state &= ~(QStyle::State_Selected | QStyle::State_HasFocus);
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QGraphicsTextItem::paint(painter, style, widget);
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}
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void LineEdit::updated(const QString&, const DataEngine::Data& data)
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{
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DataEngine::DataIterator it(data);
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QString text;
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while (it.hasNext()) {
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it.next();
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if (it.value().canConvert(QVariant::String)) {
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text.append(QString("<p><b>%1</b>: %2</p>").arg(it.key(), it.value().toString()));
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}
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}
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setHtml(text);
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}
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Qt::Orientations LineEdit::expandingDirections() const
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{
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return Qt::Vertical;
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}
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QSizeF LineEdit::minimumSize() const
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{
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return boundingRect().size();
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}
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QSizeF LineEdit::maximumSize() const
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{
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return minimumSize();
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}
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bool LineEdit::hasHeightForWidth() const
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{
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return true;
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}
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qreal LineEdit::heightForWidth(qreal w) const
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{
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QTextDocument* doc = document();
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doc->setTextWidth(w);
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qreal height = doc->size().height();
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kDebug() << "LineEdit::heightForWidth(" << w << ") is " << height << endl;
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return height;
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}
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bool LineEdit::hasWidthForHeight() const
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{
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return false;
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}
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qreal LineEdit::widthForHeight(qreal h) const
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{
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return 0;
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}
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QRectF LineEdit::geometry() const
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{
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return boundingRect().toRect();
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}
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void LineEdit::setGeometry(const QRectF& geometry)
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{
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prepareGeometryChange();
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setTextWidth(geometry.width());
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update();
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}
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QSizeF LineEdit::sizeHint() const
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{
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kDebug() << "LineEdit::sizeeHint() " << document()->size() << endl;
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return document()->size();
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}
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void LineEdit::keyPressEvent(QKeyEvent* event)
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{
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if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
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emit editingFinished();
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} else {
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QGraphicsTextItem::keyPressEvent(event); //let QT handle other keypresses
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}
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if (QGraphicsTextItem::toHtml() != oldText) {
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oldText = QGraphicsTextItem::toHtml();
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emit textChanged(oldText);
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}
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}
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} // namespace Plasma
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#include "lineedit.moc"
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