90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry 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 General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <QWidget>
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#include <QApplication>
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#include <QMenu>
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#include <QWheelEvent>
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#include <QRegularExpression>
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#include <QtDebug>
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#include "core/logging.h"
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#include "infotextview.h"
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InfoTextView::InfoTextView(QWidget *parent) : QTextBrowser(parent), last_width_(-1), recursion_filter_(false) {
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setOpenExternalLinks(true);
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}
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void InfoTextView::resizeEvent(QResizeEvent *e) {
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const int w = qMax(100, width());
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if (w == last_width_) return;
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last_width_ = w;
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document()->setTextWidth(w);
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setMinimumHeight(document()->size().height());
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QTextBrowser::resizeEvent(e);
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}
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QSize InfoTextView::sizeHint() const { return minimumSize(); }
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void InfoTextView::wheelEvent(QWheelEvent *e) { e->ignore(); }
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void InfoTextView::SetHtml(const QString &html) {
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QString copy(html.trimmed());
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// Simplify newlines
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copy.replace(QRegularExpression("\\r\\n?"), "\n");
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// Convert two or more newlines to <p>, convert single newlines to <br>
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copy.replace(QRegularExpression("([^>])([\\t ]*\\n){2,}"), "\\1<p>");
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copy.replace(QRegularExpression("([^>])[\\t ]*\\n"), "\\1<br>");
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// Strip any newlines from the end
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copy.replace(QRegularExpression("((<\\s*br\\s*/?\\s*>)|(<\\s*/?\\s*p\\s*/?\\s*>))+$"), "");
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setHtml(copy);
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}
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// Prevents QTextDocument from trying to load remote images before they are ready.
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QVariant InfoTextView::loadResource(int type, const QUrl &name) {
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if (recursion_filter_) {
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recursion_filter_ = false;
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return QVariant();
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}
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recursion_filter_ = true;
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if (type == QTextDocument::ImageResource && name.scheme() == "http") {
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if (document()->resource(type, name).isNull()) {
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return QVariant();
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}
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}
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return QTextBrowser::loadResource(type, name);
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}
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