161 lines
4.3 KiB
C++
161 lines
4.3 KiB
C++
/*
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* Copyright 2009 Marco Martin <notmart@gmail.com>
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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 as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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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 "textbrowser.h"
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#include <QPainter>
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#include <QScrollBar>
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#include <kmimetype.h>
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#include <ktextbrowser.h>
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#include "plasma/theme.h"
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#include "plasma/svg.h"
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#include "private/style_p.h"
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namespace Plasma
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{
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class TextBrowserPrivate
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{
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public:
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TextBrowserPrivate(TextBrowser *browser)
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: q(browser),
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native(0),
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savedMinimumHeight(0),
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savedMaximumHeight(QWIDGETSIZE_MAX),
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wasNotFixed(true)
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{
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}
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void setFixedHeight()
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{
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if (native && native->document() &&
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q->sizePolicy().verticalPolicy() == QSizePolicy::Fixed &&
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native->verticalScrollBarPolicy() == Qt::ScrollBarAlwaysOff) {
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native->document()->setTextWidth(q->size().width());
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QSize s = native->document()->size().toSize();
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if (wasNotFixed) {
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savedMinimumHeight = q->minimumHeight();
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savedMaximumHeight = q->maximumHeight();
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wasNotFixed = false;
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}
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q->setMinimumHeight(s.height());
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q->setMaximumHeight(s.height());
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} else if (!wasNotFixed) {
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q->setMinimumHeight(savedMinimumHeight);
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q->setMaximumHeight(savedMaximumHeight);
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wasNotFixed = true;
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}
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}
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TextBrowser *q;
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KTextBrowser *native;
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Plasma::Style::Ptr style;
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int savedMinimumHeight;
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int savedMaximumHeight;
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bool wasNotFixed;
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};
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TextBrowser::TextBrowser(QGraphicsWidget *parent)
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: QGraphicsProxyWidget(parent),
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d(new TextBrowserPrivate(this))
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{
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KTextBrowser *native = new KTextBrowser;
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connect(native, SIGNAL(textChanged()), this, SIGNAL(textChanged()));
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connect(native, SIGNAL(textChanged()), this, SLOT(setFixedHeight()));
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setWidget(native);
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d->native = native;
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native->setAttribute(Qt::WA_NoSystemBackground);
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native->setFrameShape(QFrame::NoFrame);
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native->setTextBackgroundColor(Qt::transparent);
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native->viewport()->setAutoFillBackground(false);
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d->style = Plasma::Style::sharedStyle();
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native->verticalScrollBar()->setStyle(d->style.data());
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native->horizontalScrollBar()->setStyle(d->style.data());
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}
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TextBrowser::~TextBrowser()
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{
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delete d;
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Plasma::Style::doneWithSharedStyle();
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}
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void TextBrowser::setText(const QString &text)
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{
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//FIXME I'm not certain about using only the html methods. look at this again later.
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static_cast<KTextBrowser*>(widget())->setHtml(text);
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}
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QString TextBrowser::text() const
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{
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return static_cast<KTextBrowser*>(widget())->toHtml();
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}
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void TextBrowser::setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy policy)
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{
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d->native->setHorizontalScrollBarPolicy(policy);
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}
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void TextBrowser::setVerticalScrollBarPolicy(Qt::ScrollBarPolicy policy)
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{
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d->native->setVerticalScrollBarPolicy(policy);
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}
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void TextBrowser::setStyleSheet(const QString &stylesheet)
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{
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widget()->setStyleSheet(stylesheet);
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}
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QString TextBrowser::styleSheet()
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{
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return widget()->styleSheet();
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}
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KTextBrowser *TextBrowser::nativeWidget() const
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{
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return static_cast<KTextBrowser*>(widget());
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}
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void TextBrowser::dataUpdated(const QString &sourceName, const Plasma::DataEngine::Data &data)
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{
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Q_UNUSED(sourceName)
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KTextBrowser *te = nativeWidget();
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te->clear();
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foreach (const QVariant &v, data) {
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if (v.canConvert(QVariant::String)) {
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te->append(v.toString() + '\n');
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}
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}
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}
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void TextBrowser::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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d->setFixedHeight();
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QGraphicsProxyWidget::resizeEvent(event);
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}
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} // namespace Plasma
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#include <textbrowser.moc>
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