Utils::Gui Namespace Reference

Functions
void	resize (QWidget *widget, const QSize &newSize={})
qreal	screenScalingFactor (const QWidget *widget)
template<typename T >
T	scaledSize (const QWidget *widget, const T &size)
QPixmap	scaledPixmap (const QIcon &icon, const QWidget *widget, int height)
QPixmap	scaledPixmap (const QString &path, const QWidget *widget, int height=0)
QPixmap	scaledPixmapSvg (const QString &path, const QWidget *widget, int baseHeight)
QSize	smallIconSize (const QWidget *widget=nullptr)
QSize	mediumIconSize (const QWidget *widget=nullptr)
QSize	largeIconSize (const QWidget *widget=nullptr)
QPoint	screenCenter (const QWidget *w)
void	openPath (const QString &absolutePath)
void	openFolderSelect (const QString &absolutePath)

Function Documentation

largeIconSize()

QSize Utils::Gui::largeIconSize

(

const QWidget *

widget = nullptr

)

Definition at line 111 of file utils.cpp.

{
    // Get DPI scaled icon size (device-dependent), see QT source
    // under a 1080p screen is usually 32x32
    const int s = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize, nullptr, widget);
    return {s, s};
}

Referenced by DeletionConfirmationDialog::DeletionConfirmationDialog(), mediumIconSize(), and StatusBar::StatusBar().

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mediumIconSize()

QSize Utils::Gui::mediumIconSize

(

const QWidget *

widget = nullptr

)

Definition at line 105 of file utils.cpp.

{
    // under a 1080p screen is usually 24x24
    return ((smallIconSize(widget) + largeIconSize(widget)) / 2);
}

References largeIconSize(), and smallIconSize().

Referenced by CookiesDialog::CookiesDialog(), DeletionConfirmationDialog::DeletionConfirmationDialog(), and StatusBar::StatusBar().

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openFolderSelect()

void Utils::Gui::openFolderSelect

(

const QString &

absolutePath

)

Definition at line 158 of file utils.cpp.

{
    QString path {Utils::Fs::toUniformPath(absolutePath)};
    const QFileInfo pathInfo {path};
    // If the item to select doesn't exist, try to open its parent
    if (!pathInfo.exists(path))
    {
        openPath(path.left(path.lastIndexOf('/')));
        return;
    }
 
#ifdef Q_OS_WIN
    HRESULT hresult = ::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
    PIDLIST_ABSOLUTE pidl = ::ILCreateFromPathW(reinterpret_cast<PCTSTR>(Utils::Fs::toNativePath(path).utf16()));
    if (pidl)
    {
        ::SHOpenFolderAndSelectItems(pidl, 0, nullptr, 0);
        ::ILFree(pidl);
    }
    if ((hresult == S_OK) || (hresult == S_FALSE))
        ::CoUninitialize();
#elif defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)
    QProcess proc;
    proc.start("xdg-mime", {"query", "default", "inode/directory"});
    proc.waitForFinished();
    const QString output = proc.readLine().simplified();
    if ((output == "dolphin.desktop") || (output == "org.kde.dolphin.desktop"))
    {
        proc.startDetached("dolphin", {"--select", Utils::Fs::toNativePath(path)});
    }
    else if ((output == "nautilus.desktop") || (output == "org.gnome.Nautilus.desktop")
                 || (output == "nautilus-folder-handler.desktop"))
                 {
        if (pathInfo.isDir())
            path = path.left(path.lastIndexOf('/'));
        proc.start("nautilus", {"--version"});
        proc.waitForFinished();
        const QString nautilusVerStr = QString(proc.readLine()).remove(QRegularExpression("[^0-9.]"));
        using NautilusVersion = Utils::Version<int, 3>;
        if (NautilusVersion::tryParse(nautilusVerStr, {1, 0, 0}) > NautilusVersion {3, 28})
            proc.startDetached("nautilus", {Utils::Fs::toNativePath(path)});
        else
            proc.startDetached("nautilus", {"--no-desktop", Utils::Fs::toNativePath(path)});
    }
    else if (output == "nemo.desktop")
    {
        if (pathInfo.isDir())
            path = path.left(path.lastIndexOf('/'));
        proc.startDetached("nemo", {"--no-desktop", Utils::Fs::toNativePath(path)});
    }
    else if ((output == "konqueror.desktop") || (output == "kfmclient_dir.desktop"))
    {
        proc.startDetached("konqueror", {"--select", Utils::Fs::toNativePath(path)});
    }
    else
    {
        // "caja" manager can't pinpoint the file, see: https://github.com/qbittorrent/qBittorrent/issues/5003
        openPath(path.left(path.lastIndexOf('/')));
    }
#else
    openPath(path.left(path.lastIndexOf('/')));
#endif
}

References openPath(), update_qrc_files::output, Utils::Fs::toNativePath(), and Utils::Fs::toUniformPath().

Referenced by anonymous_namespace{transferlistwidget.cpp}::openDestinationFolder(), PropertiesWidget::openParentFolder(), and TransferListWidget::openSelectedTorrentsFolder().

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openPath()

void Utils::Gui::openPath

(

const QString &

absolutePath

)

Definition at line 146 of file utils.cpp.

{
    const QString path = Utils::Fs::toUniformPath(absolutePath);
    // Hack to access samba shares with QDesktopServices::openUrl
    if (path.startsWith("//"))
        QDesktopServices::openUrl(Utils::Fs::toNativePath("file:" + path));
    else
        QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}

References Utils::Fs::toNativePath(), and Utils::Fs::toUniformPath().

Referenced by anonymous_namespace{transferlistwidget.cpp}::openDestinationFolder(), openFolderSelect(), PropertiesWidget::openItem(), TransferListWidget::openSelectedTorrentsFolder(), and TransferListWidget::previewFile().

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resize()

void Utils::Gui::resize	(	QWidget *	widget,
		const QSize &	newSize = {}
	)

Definition at line 54 of file utils.cpp.

{
    if (newSize.isValid())
        widget->resize(newSize);
    else  // depends on screen DPI
        widget->resize(widget->size() * screenScalingFactor(widget));
}

References screenScalingFactor().

Referenced by AboutDialog::AboutDialog(), BanListOptionsDialog::BanListOptionsDialog(), CookiesDialog::CookiesDialog(), DeletionConfirmationDialog::DeletionConfirmationDialog(), DownloadFromURLDialog::DownloadFromURLDialog(), IPSubnetWhitelistOptionsDialog::IPSubnetWhitelistOptionsDialog(), AutomatedRssDownloader::loadSettings(), TorrentCreatorDialog::loadSettings(), TrackerEntriesDialog::loadSettings(), AddNewTorrentDialog::loadState(), WatchedFolderOptionsDialog::loadState(), PreviewSelectDialog::loadWindowState(), OptionsDialog::OptionsDialog(), PluginSelectDialog::PluginSelectDialog(), PluginSourceDialog::PluginSourceDialog(), AutoExpandableDialog::showEvent(), ShutdownConfirmDialog::ShutdownConfirmDialog(), SpeedLimitDialog::SpeedLimitDialog(), StatsDialog::StatsDialog(), and TorrentOptionsDialog::TorrentOptionsDialog().

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scaledPixmap() [1/2]

QPixmap Utils::Gui::scaledPixmap	(	const QIcon &	icon,
		const QWidget *	widget,
		int	height
	)

Definition at line 68 of file utils.cpp.

{
    Q_ASSERT(height > 0);
    const int scaledHeight = height * Utils::Gui::screenScalingFactor(widget);
    return icon.pixmap(scaledHeight);
}

References screenScalingFactor().

Referenced by AboutDialog::AboutDialog(), OptionsDialog::OptionsDialog(), and SpeedLimitDialog::SpeedLimitDialog().

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scaledPixmap() [2/2]

QPixmap Utils::Gui::scaledPixmap	(	const QString &	path,
		const QWidget *	widget,
		int	height = 0
	)

Definition at line 75 of file utils.cpp.

{
    const QPixmap pixmap(path);
    const int scaledHeight = ((height > 0) ? height : pixmap.height()) * Utils::Gui::screenScalingFactor(widget);
    return pixmap.scaledToHeight(scaledHeight, Qt::SmoothTransformation);
}

References screenScalingFactor().

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scaledPixmapSvg()

QPixmap Utils::Gui::scaledPixmapSvg	(	const QString &	path,
		const QWidget *	widget,
		int	baseHeight
	)

Definition at line 82 of file utils.cpp.

{
    const int scaledHeight = baseHeight * Utils::Gui::screenScalingFactor(widget);
    const QString normalizedKey = path + '@' + QString::number(scaledHeight);
 
    QPixmap pm;
    QPixmapCache cache;
    if (!cache.find(normalizedKey, &pm))
    {
        pm = QIcon(path).pixmap(scaledHeight);
        cache.insert(normalizedKey, pm);
    }
    return pm;
}

References screenScalingFactor().

Referenced by AboutDialog::AboutDialog(), OptionsDialog::webUIHttpsCertChanged(), and OptionsDialog::webUIHttpsKeyChanged().

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scaledSize()

template<typename T >

T Utils::Gui::scaledSize	(	const QWidget *	widget,
		const T &	size
	)

Definition at line 46 of file utils.h.

        {
            return (size * screenScalingFactor(widget));
        }

References screenScalingFactor().

Referenced by OptionsDialog::loadSplitterState(), MainWindow::MainWindow(), and PropertiesWidget::PropertiesWidget().

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screenCenter()

QPoint Utils::Gui::screenCenter

(

const QWidget *

w

)

Definition at line 119 of file utils.cpp.

{
    // Returns the QPoint which the widget will be placed center on screen (where parent resides)
 
    if (!w)
        return {};
 
    QRect r = QGuiApplication::primaryScreen()->availableGeometry();
    const QPoint primaryScreenCenter {(r.x() + (r.width() - w->frameSize().width()) / 2), (r.y() + (r.height() - w->frameSize().height()) / 2)};
 
    const QWidget *parent = w->parentWidget();
    if (!parent)
        return primaryScreenCenter;
 
    const QWindow *window = parent->window()->windowHandle();
    if (!window)
        return primaryScreenCenter;
 
    const QScreen *screen = window->screen();
    if (!screen)
        return primaryScreenCenter;
 
    r = screen->availableGeometry();
    return {(r.x() + (r.width() - w->frameSize().width()) / 2), (r.y() + (r.height() - w->frameSize().height()) / 2)};
}

Referenced by displayBadArgMessage(), displayUsage(), Application::exec(), MainWindow::showEvent(), ShutdownConfirmDialog::ShutdownConfirmDialog(), and userAgreesWithLegalNotice().

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screenScalingFactor()

qreal Utils::Gui::screenScalingFactor

(

const QWidget *

widget

)

Definition at line 62 of file utils.cpp.

{
    Q_UNUSED(widget);
    return 1;
}

Referenced by resize(), scaledPixmap(), scaledPixmapSvg(), and scaledSize().

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smallIconSize()

QSize Utils::Gui::smallIconSize

(

const QWidget *

widget = nullptr

)

Definition at line 97 of file utils.cpp.

{
    // Get DPI scaled icon size (device-dependent), see QT source
    // under a 1080p screen is usually 16x16
    const int s = QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize, nullptr, widget);
    return {s, s};
}

Referenced by BaseFilterWidget::BaseFilterWidget(), CategoryFilterWidget::CategoryFilterWidget(), mediumIconSize(), PropertiesWidget::PropertiesWidget(), StatusBar::StatusBar(), and TagFilterWidget::TagFilterWidget().

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