Clementine-audio-player-Mac.../src/songinfo/songinfotextview.cpp

116 lines
3.1 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine 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 General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "songinfotextview.h"
#include <QApplication>
#include <QMenu>
#include <QSettings>
#include <QWheelEvent>
#include <QtDebug>
#include "core/logging.h"
const qreal SongInfoTextView::kDefaultFontSize = 8.5;
const char* SongInfoTextView::kSettingsGroup = "SongInfo";
SongInfoTextView::SongInfoTextView(QWidget* parent)
: QTextBrowser(parent),
last_width_(-1),
recursion_filter_(false)
{
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setOpenExternalLinks(true);
ReloadSettings();
}
qreal SongInfoTextView::FontSize() {
QSettings s;
s.beginGroup(kSettingsGroup);
return s.value("font_size", kDefaultFontSize).toReal();
}
QFont SongInfoTextView::Font() {
QFont font;
font.setPointSizeF(FontSize());
return font;
}
void SongInfoTextView::ReloadSettings() {
document()->setDefaultFont(Font());
}
void SongInfoTextView::resizeEvent(QResizeEvent* e) {
const int w = qMax(100, width());
if (w == last_width_)
return;
last_width_ = w;
document()->setTextWidth(w);
setMinimumHeight(document()->size().height());
QTextBrowser::resizeEvent(e);
}
QSize SongInfoTextView::sizeHint() const {
return minimumSize();
}
void SongInfoTextView::wheelEvent(QWheelEvent* e) {
e->ignore();
}
void SongInfoTextView::contextMenuEvent(QContextMenuEvent* e) {
QMenu* menu = createStandardContextMenu(e->pos());
menu->setAttribute(Qt::WA_DeleteOnClose);
menu->addAction(tr("Change font size..."), this, SIGNAL(ShowSettingsDialog()));
menu->popup(e->globalPos());
}
void SongInfoTextView::SetHtml(const QString& html) {
QString copy(html.trimmed());
// Simplify newlines, and convert them to <p>
copy.replace(QRegExp("[\\r\\n]+"), "\n");
copy.replace(QRegExp("([^>])[\\t ]*\\n"), "\\1<p>");
// Strip any newlines from the end
copy.replace(QRegExp("((<\\s*br\\s*/?\\s*>)|(<\\s*/?\\s*p\\s*/?\\s*>))+$"), "");
setHtml(copy);
}
// Prevents QTextDocument from trying to load remote images before they are
// ready.
QVariant SongInfoTextView::loadResource(int type, const QUrl& name) {
if (recursion_filter_) {
recursion_filter_ = false;
return QVariant();
}
recursion_filter_ = true;
if (type == QTextDocument::ImageResource && name.scheme() == "http") {
if (document()->resource(type, name).isNull()) {
return QVariant();
}
}
return QTextBrowser::loadResource(type, name);
}