111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "songinfotextview.h"
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#include <QApplication>
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#include <QMenu>
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#include <QSettings>
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#include <QWheelEvent>
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#include <QtDebug>
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#include "core/logging.h"
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const qreal SongInfoTextView::kDefaultFontSize = 8.5;
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const char* SongInfoTextView::kSettingsGroup = "SongInfo";
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SongInfoTextView::SongInfoTextView(QWidget* parent)
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: 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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ReloadSettings();
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}
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qreal SongInfoTextView::FontSize() {
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QSettings s;
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s.beginGroup(kSettingsGroup);
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return s.value("font_size", kDefaultFontSize).toReal();
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}
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QFont SongInfoTextView::Font() {
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QFont font;
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font.setPointSizeF(FontSize());
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return font;
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}
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void SongInfoTextView::ReloadSettings() { document()->setDefaultFont(Font()); }
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void SongInfoTextView::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 SongInfoTextView::sizeHint() const { return minimumSize(); }
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void SongInfoTextView::wheelEvent(QWheelEvent* e) { e->ignore(); }
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void SongInfoTextView::contextMenuEvent(QContextMenuEvent* e) {
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QMenu* menu = createStandardContextMenu(e->pos());
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menu->setAttribute(Qt::WA_DeleteOnClose);
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menu->addAction(tr("Change font size..."), this,
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SIGNAL(ShowSettingsDialog()));
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menu->popup(e->globalPos());
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}
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void SongInfoTextView::SetHtml(const QString& html) {
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QString copy(html.trimmed());
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// Simplify newlines
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copy.replace(QRegExp("\\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(QRegExp("([^>])([\\t ]*\\n){2,}"), "\\1<p>");
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copy.replace(QRegExp("([^>])[\\t ]*\\n"), "\\1<br>");
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// Strip any newlines from the end
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copy.replace(QRegExp("((<\\s*br\\s*/?\\s*>)|(<\\s*/?\\s*p\\s*/?\\s*>))+$"),
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"");
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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
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// ready.
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QVariant SongInfoTextView::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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