Merge pull request #12894 from Chocobo1/thememanager

Improvements to UIThemeManager
This commit is contained in:
Mike Tzou 2020-05-25 12:16:39 +08:00 committed by GitHub
commit 9aba0cbcf3
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3 changed files with 19 additions and 18 deletions

View File

@ -85,13 +85,13 @@ void FeedListWidget::handleFeedStateChanged(RSS::Feed *feed)
QIcon icon;
if (feed->isLoading())
icon = UIThemeManager::instance()->getIcon(QStringLiteral("loading"));
icon = UIThemeManager::instance()->getIcon(QLatin1String("loading"));
else if (feed->hasError())
icon = UIThemeManager::instance()->getIcon(QStringLiteral("unavailable"));
icon = UIThemeManager::instance()->getIcon(QLatin1String("unavailable"));
else if (!feed->iconPath().isEmpty())
icon = QIcon(feed->iconPath());
else
icon = UIThemeManager::instance()->getIcon(QStringLiteral("application-rss+xml"));
icon = UIThemeManager::instance()->getIcon(QLatin1String("application-rss+xml"));
item->setData(0, Qt::DecorationRole, icon);
}
@ -237,14 +237,14 @@ QTreeWidgetItem *FeedListWidget::createItem(RSS::Item *rssItem, QTreeWidgetItem
if (feed->isLoading())
icon = UIThemeManager::instance()->getIcon(QLatin1String("loading"));
else if (feed->hasError())
icon = UIThemeManager::instance()->getIcon(QStringLiteral("unavailable"));
icon = UIThemeManager::instance()->getIcon(QLatin1String("unavailable"));
else if (!feed->iconPath().isEmpty())
icon = QIcon(feed->iconPath());
else
icon = UIThemeManager::instance()->getIcon(QStringLiteral("application-rss+xml"));
icon = UIThemeManager::instance()->getIcon(QLatin1String("application-rss+xml"));
}
else {
icon = UIThemeManager::instance()->getIcon("inode-directory");
icon = UIThemeManager::instance()->getIcon(QLatin1String("inode-directory"));
}
item->setData(0, Qt::DecorationRole, icon);

View File

@ -31,7 +31,6 @@
#include <QApplication>
#include <QFile>
#include <QIcon>
#include <QJsonDocument>
#include <QJsonObject>
#include <QPalette>
@ -77,6 +76,9 @@ void UIThemeManager::initInstance()
UIThemeManager::UIThemeManager()
: m_useCustomTheme(Preferences::instance()->useCustomUITheme())
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
, m_useSystemTheme(Preferences::instance()->useSystemIconTheme())
#endif
{
const Preferences *const pref = Preferences::instance();
if (m_useCustomTheme) {
@ -88,10 +90,6 @@ UIThemeManager::UIThemeManager()
applyPalette();
}
}
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
m_useSystemTheme = pref->useSystemIconTheme();
#endif
}
UIThemeManager *UIThemeManager::instance()
@ -127,14 +125,15 @@ QIcon UIThemeManager::getIcon(const QString &iconId, const QString &fallback) co
return icon;
}
#endif
// cache to avoid rescaling svg icons
static QHash<QString, QIcon> iconCache;
const auto iter = iconCache.find(iconId);
if (iter != iconCache.end())
// 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)};
iconCache[iconId] = icon;
m_iconCache[iconId] = icon;
return icon;
}
@ -153,7 +152,7 @@ QString UIThemeManager::getIconPath(const QString &iconId) const
{
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
if (m_useSystemTheme) {
QString path = Utils::Fs::tempPath() + iconId + ".png";
QString path = Utils::Fs::tempPath() + iconId + QLatin1String(".png");
if (!QFile::exists(path)) {
const QIcon icon = QIcon::fromTheme(iconId);
if (!icon.isNull())

View File

@ -31,6 +31,7 @@
#include <QColor>
#include <QHash>
#include <QIcon>
#include <QObject>
#include <QString>
@ -60,8 +61,9 @@ private:
static UIThemeManager *m_instance;
QHash<QString, QColor> m_colors;
mutable QHash<QString, QIcon> m_iconCache;
const bool m_useCustomTheme;
#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
bool m_useSystemTheme;
const bool m_useSystemTheme;
#endif
};