UIThemeManager Class Reference

#include <uithememanager.h>

Inheritance diagram for UIThemeManager:

Collaboration diagram for UIThemeManager:

Public Member Functions
QString	getIconPath (const QString &iconId) const
QIcon	getIcon (const QString &iconId, const QString &fallback={}) const
QIcon	getFlagIcon (const QString &countryIsoCode) const
QColor	getColor (const QString &id, const QColor &defaultColor) const
QIcon	getSystrayIcon () const

Static Public Member Functions
static void	initInstance ()
static void	freeInstance ()
static UIThemeManager *	instance ()

Private Member Functions
	UIThemeManager ()
QString	getIconPathFromResources (const QString &iconId, const QString &fallback={}) const
void	loadColorsFromJSONConfig ()
void	applyPalette () const
void	applyStyleSheet () const

Private Attributes
const bool	m_useCustomTheme
std::unique_ptr< UIThemeSource >	m_themeSource
QHash< QString, QColor >	m_colors
QHash< QString, QIcon >	m_iconCache
QHash< QString, QIcon >	m_flagCache

Static Private Attributes
static UIThemeManager *	m_instance = nullptr

Detailed Description

Definition at line 49 of file uithememanager.h.

Constructor & Destructor Documentation

UIThemeManager()

UIThemeManager::UIThemeManager ( )

private

Definition at line 169 of file uithememanager.cpp.

    : m_useCustomTheme(Preferences::instance()->useCustomUITheme())
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
    , m_useSystemTheme(Preferences::instance()->useSystemIconTheme())
#endif
{
    if (m_useCustomTheme)
    {
        const QString themePath = Preferences::instance()->customUIThemePath();
        m_themeSource = createUIThemeSource(themePath);
        if (!m_themeSource)
        {
            LogMsg(tr("Failed to load UI theme from file: \"%1\"").arg(themePath), Log::WARNING);
        }
        else
        {
            loadColorsFromJSONConfig();
            applyPalette();
            applyStyleSheet();
        }
    }
}

References applyPalette(), applyStyleSheet(), anonymous_namespace{uithememanager.cpp}::createUIThemeSource(), Preferences::customUIThemePath(), Preferences::instance(), loadColorsFromJSONConfig(), LogMsg(), m_themeSource, m_useCustomTheme, and Log::WARNING.

Referenced by initInstance().

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Member Function Documentation

applyPalette()

void UIThemeManager::applyPalette ( ) const

private

Definition at line 346 of file uithememanager.cpp.

{
    struct ColorDescriptor
    {
        QString id;
        QPalette::ColorRole colorRole;
        QPalette::ColorGroup colorGroup;
    };
 
    const ColorDescriptor paletteColorDescriptors[] =
    {
        {QLatin1String("Palette.Window"), QPalette::Window, QPalette::Normal},
        {QLatin1String("Palette.WindowText"), QPalette::WindowText, QPalette::Normal},
        {QLatin1String("Palette.Base"), QPalette::Base, QPalette::Normal},
        {QLatin1String("Palette.AlternateBase"), QPalette::AlternateBase, QPalette::Normal},
        {QLatin1String("Palette.Text"), QPalette::Text, QPalette::Normal},
        {QLatin1String("Palette.ToolTipBase"), QPalette::ToolTipBase, QPalette::Normal},
        {QLatin1String("Palette.ToolTipText"), QPalette::ToolTipText, QPalette::Normal},
        {QLatin1String("Palette.BrightText"), QPalette::BrightText, QPalette::Normal},
        {QLatin1String("Palette.Highlight"), QPalette::Highlight, QPalette::Normal},
        {QLatin1String("Palette.HighlightedText"), QPalette::HighlightedText, QPalette::Normal},
        {QLatin1String("Palette.Button"), QPalette::Button, QPalette::Normal},
        {QLatin1String("Palette.ButtonText"), QPalette::ButtonText, QPalette::Normal},
        {QLatin1String("Palette.Link"), QPalette::Link, QPalette::Normal},
        {QLatin1String("Palette.LinkVisited"), QPalette::LinkVisited, QPalette::Normal},
        {QLatin1String("Palette.Light"), QPalette::Light, QPalette::Normal},
        {QLatin1String("Palette.Midlight"), QPalette::Midlight, QPalette::Normal},
        {QLatin1String("Palette.Mid"), QPalette::Mid, QPalette::Normal},
        {QLatin1String("Palette.Dark"), QPalette::Dark, QPalette::Normal},
        {QLatin1String("Palette.Shadow"), QPalette::Shadow, QPalette::Normal},
        {QLatin1String("Palette.WindowTextDisabled"), QPalette::WindowText, QPalette::Disabled},
        {QLatin1String("Palette.TextDisabled"), QPalette::Text, QPalette::Disabled},
        {QLatin1String("Palette.ToolTipTextDisabled"), QPalette::ToolTipText, QPalette::Disabled},
        {QLatin1String("Palette.BrightTextDisabled"), QPalette::BrightText, QPalette::Disabled},
        {QLatin1String("Palette.HighlightedTextDisabled"), QPalette::HighlightedText, QPalette::Disabled},
        {QLatin1String("Palette.ButtonTextDisabled"), QPalette::ButtonText, QPalette::Disabled}
    };
 
    QPalette palette = qApp->palette();
    for (const ColorDescriptor &colorDescriptor : paletteColorDescriptors)
    {
        const QColor defaultColor = palette.color(colorDescriptor.colorGroup, colorDescriptor.colorRole);
        const QColor newColor = getColor(colorDescriptor.id, defaultColor);
        palette.setColor(colorDescriptor.colorGroup, colorDescriptor.colorRole, newColor);
    }
    qApp->setPalette(palette);
}

References getColor().

Referenced by UIThemeManager().

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applyStyleSheet()

void UIThemeManager::applyStyleSheet ( ) const

private

Definition at line 197 of file uithememanager.cpp.

{
    qApp->setStyleSheet(m_themeSource->readStyleSheet());
}

References m_themeSource.

Referenced by UIThemeManager().

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freeInstance()

void UIThemeManager::freeInstance ( )

static

Definition at line 157 of file uithememanager.cpp.

{
    delete m_instance;
    m_instance = nullptr;
}

References m_instance.

Referenced by Application::cleanup().

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getColor()

QColor UIThemeManager::getColor	(	const QString &	id,
		const QColor &	defaultColor
	)		const

Definition at line 239 of file uithememanager.cpp.

{
    return m_colors.value(id, defaultColor);
}

References m_colors.

Referenced by applyPalette(), ArticleListWidget::createItem(), ArticleListWidget::handleArticleRead(), LogMessageModel::LogMessageModel(), and anonymous_namespace{transferlistmodel.cpp}::torrentStateColorsFromUITheme().

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getFlagIcon()

QIcon UIThemeManager::getFlagIcon

(

const QString &

countryIsoCode

)

const

Definition at line 225 of file uithememanager.cpp.

{
    if (countryIsoCode.isEmpty()) return {};
 
    const QString key = countryIsoCode.toLower();
    const auto iter = m_flagCache.find(key);
    if (iter != m_flagCache.end())
        return *iter;
 
    const QIcon icon {QLatin1String(":/icons/flags/") + key + QLatin1String(".svg")};
    m_flagCache[key] = icon;
    return icon;
}

References m_flagCache.

Referenced by PeerListWidget::updatePeer().

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getIcon()

QIcon UIThemeManager::getIcon	(	const QString &	iconId,
		const QString &	fallback = {}
	)		const

Definition at line 202 of file uithememanager.cpp.

{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
    if (m_useSystemTheme)
    {
        QIcon icon = QIcon::fromTheme(iconId);
        if (icon.name() != iconId)
            icon = QIcon::fromTheme(fallback, QIcon(getIconPathFromResources(iconId, fallback)));
        return icon;
    }
#endif
 
    // Cache to avoid rescaling svg icons
    // And don't cache system icons because users might change them at run time
    const auto iter = m_iconCache.find(iconId);
    if (iter != m_iconCache.end())
        return *iter;
 
    const QIcon icon {getIconPathFromResources(iconId, fallback)};
    m_iconCache[iconId] = icon;
    return icon;
}

References getIconPathFromResources(), and m_iconCache.

Referenced by SearchJobWidget::contextMenuEvent(), FeedListWidget::createItem(), CategoryFilterModel::data(), TagFilterModel::data(), PropertiesWidget::displayFilesListMenu(), TransferListWidget::displayListMenu(), ExecutionLogWidget::ExecutionLogWidget(), getCheckingIcon(), getCompletedIcon(), getDownloadingIcon(), getErrorIcon(), getPausedIcon(), getQueuedIcon(), getStalledDownloadingIcon(), getStalledUploadingIcon(), getSystrayIcon(), getUploadingIcon(), anonymous_namespace{torrentcontentmodel.cpp}::UnifiedFileIconProvider::icon(), anonymous_namespace{feedlistwidget.cpp}::loadIcon(), anonymous_namespace{feedlistwidget.cpp}::rssFeedIcon(), and PeerListWidget::showPeerListMenu().

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getIconPath()

QString UIThemeManager::getIconPath

(

const QString &

iconId

)

const

Definition at line 274 of file uithememanager.cpp.

{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
    if (m_useSystemTheme)
    {
        QString path = Utils::Fs::tempPath() + iconId + QLatin1String(".png");
        if (!QFile::exists(path))
        {
            const QIcon icon = QIcon::fromTheme(iconId);
            if (!icon.isNull())
                icon.pixmap(32).save(path);
            else
                path = getIconPathFromResources(iconId);
        }
 
        return path;
    }
#endif
    return getIconPathFromResources(iconId, {});
}

References getIconPathFromResources(), and Utils::Fs::tempPath().

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getIconPathFromResources()

QString UIThemeManager::getIconPathFromResources ( const QString &  iconId, const QString &  fallback = {}  ) const

private

Definition at line 295 of file uithememanager.cpp.

{
    if (m_useCustomTheme && m_themeSource)
    {
        const QString customIcon = m_themeSource->iconPath(iconId);
        if (!customIcon.isEmpty())
            return customIcon;
 
        if (!fallback.isEmpty())
        {
            const QString fallbackIcon = m_themeSource->iconPath(fallback);
            if (!fallbackIcon.isEmpty())
                return fallbackIcon;
        }
    }
 
    return findIcon(iconId, DEFAULT_ICONS_DIR);
}

References anonymous_namespace{uithememanager.cpp}::DEFAULT_ICONS_DIR, anonymous_namespace{uithememanager.cpp}::findIcon(), m_themeSource, and m_useCustomTheme.

Referenced by getIcon(), and getIconPath().

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getSystrayIcon()

QIcon UIThemeManager::getSystrayIcon

(

)

const

Definition at line 245 of file uithememanager.cpp.

{
    const TrayIcon::Style style = Preferences::instance()->trayIconStyle();
    switch (style)
    {
#if defined(Q_OS_UNIX)
    case TrayIcon::Style::Normal:
        return QIcon::fromTheme(QLatin1String("qbittorrent-tray"));
    case TrayIcon::Style::MonoDark:
        return QIcon::fromTheme(QLatin1String("qbittorrent-tray-dark"));
    case TrayIcon::Style::MonoLight:
        return QIcon::fromTheme(QLatin1String("qbittorrent-tray-light"));
#else
    case TrayIcon::Style::Normal:
        return getIcon(QLatin1String("qbittorrent-tray"));
    case TrayIcon::Style::MonoDark:
        return getIcon(QLatin1String("qbittorrent-tray-dark"));
    case TrayIcon::Style::MonoLight:
        return getIcon(QLatin1String("qbittorrent-tray-light"));
#endif
    default:
        break;
    }
 
    // As a failsafe in case the enum is invalid
    return getIcon(QLatin1String("qbittorrent-tray"));
}

References getIcon(), Preferences::instance(), TrayIcon::MonoDark, TrayIcon::MonoLight, TrayIcon::Normal, and Preferences::trayIconStyle().

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initInstance()

void UIThemeManager::initInstance ( )

static

Definition at line 163 of file uithememanager.cpp.

{
    if (!m_instance)
        m_instance = new UIThemeManager;
}

References m_instance, and UIThemeManager().

Referenced by Application::exec().

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instance()

UIThemeManager * UIThemeManager::instance ( )

static

Definition at line 192 of file uithememanager.cpp.

{
    return m_instance;
}

References m_instance.

Referenced by AboutDialog::AboutDialog(), AutomatedRssDownloader::addFeedArticlesToTree(), TrackerFiltersList::addItem(), AutomatedRssDownloader::AutomatedRssDownloader(), SearchJobWidget::contextMenuEvent(), CookiesDialog::CookiesDialog(), ArticleListWidget::createItem(), FeedListWidget::createItem(), MainWindow::createTrayIcon(), CategoryFilterModel::data(), TagFilterModel::data(), DeletionConfirmationDialog::DeletionConfirmationDialog(), AddNewTorrentDialog::displayContentTreeMenu(), ExecutionLogWidget::displayContextMenu(), PropertiesWidget::displayFilesListMenu(), TransferListWidget::displayListMenu(), MainWindow::displayRSSTab(), AutomatedRssDownloader::displayRulesListMenu(), MainWindow::displaySearchTab(), PropertiesWidget::displayWebSeedListMenu(), ExecutionLogWidget::ExecutionLogWidget(), FeedListWidget::FeedListWidget(), getCheckingIcon(), getCompletedIcon(), getDownloadingIcon(), getErrorIcon(), getPausedIcon(), getQueuedIcon(), getStalledDownloadingIcon(), getStalledUploadingIcon(), getUploadingIcon(), ArticleListWidget::handleArticleRead(), anonymous_namespace{torrentcontentmodel.cpp}::UnifiedFileIconProvider::icon(), LineEdit::LineEdit(), anonymous_namespace{feedlistwidget.cpp}::loadIcon(), MainWindow::loadPreferences(), LogMessageModel::LogMessageModel(), MainWindow::MainWindow(), MainWindow::on_actionExecutionLogs_triggered(), OptionsDialog::OptionsDialog(), PluginSelectDialog::PluginSelectDialog(), PropertiesWidget::PropertiesWidget(), PropTabBar::PropTabBar(), anonymous_namespace{feedlistwidget.cpp}::rssFeedIcon(), RSSWidget::RSSWidget(), SearchWidget::SearchWidget(), CategoryFilterWidget::showMenu(), TrackerFiltersList::showMenu(), TagFilterWidget::showMenu(), PeerListWidget::showPeerListMenu(), TrackerListWidget::showTrackerListMenu(), SpeedLimitDialog::SpeedLimitDialog(), StatusBar::StatusBar(), StatusFilterWidget::StatusFilterWidget(), SearchWidget::tabStatusChanged(), anonymous_namespace{transferlistmodel.cpp}::torrentStateColorsFromUITheme(), TrackerFiltersList::TrackerFiltersList(), TrackersAdditionDialog::TrackersAdditionDialog(), StatusBar::updateAltSpeedsBtn(), StatusBar::updateConnectionStatus(), AutomatedRssDownloader::updateEpisodeFilterValidity(), AutomatedRssDownloader::updateMustLineValidity(), AutomatedRssDownloader::updateMustNotLineValidity(), PeerListWidget::updatePeer(), OptionsDialog::webUIHttpsCertChanged(), and OptionsDialog::webUIHttpsKeyChanged().

loadColorsFromJSONConfig()

void UIThemeManager::loadColorsFromJSONConfig ( )

private

Definition at line 314 of file uithememanager.cpp.

{
    const QByteArray config = m_themeSource->readConfig();
    if (config.isEmpty())
        return;
 
    QJsonParseError jsonError;
    const QJsonDocument configJsonDoc = QJsonDocument::fromJson(config, &jsonError);
    if (jsonError.error != QJsonParseError::NoError)
    {
        LogMsg(tr("\"%1\" has invalid format. Reason: %2").arg(CONFIG_FILE_NAME, jsonError.errorString()), Log::WARNING);
        return;
    }
    if (!configJsonDoc.isObject())
    {
        LogMsg(tr("\"%1\" has invalid format. Reason: %2").arg(CONFIG_FILE_NAME, tr("Root JSON value is not an object")), Log::WARNING);
        return;
    }
 
    const QJsonObject colors = configJsonDoc.object().value("colors").toObject();
    for (auto color = colors.constBegin(); color != colors.constEnd(); ++color)
    {
        const QColor providedColor(color.value().toString());
        if (!providedColor.isValid())
        {
            LogMsg(tr("Invalid color for ID \"%1\" is provided by theme").arg(color.key()), Log::WARNING);
            continue;
        }
        m_colors.insert(color.key(), providedColor);
    }
}

References anonymous_namespace{uithememanager.cpp}::CONFIG_FILE_NAME, LogMsg(), m_colors, m_themeSource, and Log::WARNING.

Referenced by UIThemeManager().

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Member Data Documentation

m_colors

QHash<QString, QColor> UIThemeManager::m_colors

private

Definition at line 79 of file uithememanager.h.

Referenced by getColor(), and loadColorsFromJSONConfig().

m_flagCache

QHash<QString, QIcon> UIThemeManager::m_flagCache

mutableprivate

Definition at line 81 of file uithememanager.h.

Referenced by getFlagIcon().

m_iconCache

QHash<QString, QIcon> UIThemeManager::m_iconCache

mutableprivate

Definition at line 80 of file uithememanager.h.

Referenced by getIcon().

m_instance

UIThemeManager * UIThemeManager::m_instance = nullptr

staticprivate

Definition at line 76 of file uithememanager.h.

Referenced by freeInstance(), initInstance(), and instance().

m_themeSource

std::unique_ptr<UIThemeSource> UIThemeManager::m_themeSource

private

Definition at line 78 of file uithememanager.h.

Referenced by applyStyleSheet(), getIconPathFromResources(), loadColorsFromJSONConfig(), and UIThemeManager().

m_useCustomTheme

const bool UIThemeManager::m_useCustomTheme

private

Definition at line 77 of file uithememanager.h.

Referenced by getIconPathFromResources(), and UIThemeManager().

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The documentation for this class was generated from the following files:

• src/gui/uithememanager.h
• src/gui/uithememanager.cpp