mirror of
https://github.com/transmission/transmission
synced 2024-12-25 01:03:01 +00:00
126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
// This file Copyright © 2009-2023 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <QAbstractItemView>
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#include <QApplication>
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#include <QColor>
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#include <QCoreApplication>
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#include <QDataStream>
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#include <QFile>
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#include <QFileIconProvider>
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#include <QFileInfo>
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#include <QHeaderView>
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#include <QIcon>
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#include <QInputDialog>
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#include <QMimeDatabase>
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#include <QMimeType>
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#include <QObject>
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#include <QPixmapCache>
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#include <QStyle>
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#include <libtransmission/transmission.h>
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#include <libtransmission/utils.h> // tr_formatter
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#include "Utils.h"
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/***
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****
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***/
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namespace
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{
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bool isSlashChar(QChar const& c)
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{
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return c == QLatin1Char('/') || c == QLatin1Char('\\');
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}
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} // namespace
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QIcon Utils::getIconFromIndex(QModelIndex const& index)
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{
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QVariant const variant = index.data(Qt::DecorationRole);
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#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
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switch (variant.typeId())
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#else
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switch (static_cast<QMetaType::Type>(variant.type()))
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#endif
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{
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case QMetaType::QIcon:
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return qvariant_cast<QIcon>(variant);
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case QMetaType::QPixmap:
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return qvariant_cast<QPixmap>(variant);
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default:
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return {};
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}
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}
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QString Utils::removeTrailingDirSeparator(QString const& path)
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{
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int i = path.size();
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while (i > 1 && isSlashChar(path[i - 1]))
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{
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--i;
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}
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return path.left(i);
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}
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int Utils::measureViewItem(QAbstractItemView const* view, QString const& text)
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{
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QStyleOptionViewItem option;
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option.initFrom(view);
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option.features = QStyleOptionViewItem::HasDisplay;
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option.text = text;
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option.textElideMode = Qt::ElideNone;
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option.font = view->font();
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return view->style()
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->sizeFromContents(QStyle::CT_ItemViewItem, &option, QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX), view)
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.width();
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}
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int Utils::measureHeaderItem(QHeaderView const* view, QString const& text)
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{
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QStyleOptionHeader option;
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option.initFrom(view);
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option.text = text;
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option.sortIndicator = view->isSortIndicatorShown() ? QStyleOptionHeader::SortDown : QStyleOptionHeader::None;
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return view->style()->sizeFromContents(QStyle::CT_HeaderSection, &option, QSize(), view).width();
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}
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QColor Utils::getFadedColor(QColor const& color)
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{
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QColor faded_color(color);
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faded_color.setAlpha(128);
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return faded_color;
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}
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void Utils::updateSpinBoxFormat(QSpinBox* spinBox, char const* context, char const* format, QString const& placeholder)
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{
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QString const units_format = QCoreApplication::translate(context, format, nullptr, spinBox->value());
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auto const placeholder_pos = units_format.indexOf(placeholder);
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if (placeholder_pos == -1)
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{
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return;
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}
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auto const units_prefix = units_format.left(placeholder_pos);
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auto const units_suffix = units_format.mid(placeholder_pos + placeholder.size());
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if (spinBox->prefix() != units_prefix)
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{
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spinBox->setPrefix(units_prefix);
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}
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if (spinBox->suffix() != units_suffix)
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{
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spinBox->setSuffix(units_suffix);
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}
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}
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