Add fontconfig

CMakeLists.txt

@@ -11,7 +11,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake;${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
-set(QT Core Gui Widgets Quick QuickControls2 DBus X11Extras LinguistTools)
+set(QT Core Gui Widgets Quick QuickControls2 DBus Xml X11Extras LinguistTools)
 find_package(Qt5 REQUIRED ${QT})
 # find_package(FishUI REQUIRED)
 find_package(PkgConfig REQUIRED)

settings-daemon/CMakeLists.txt

@@ -66,6 +66,7 @@ target_link_libraries(${TARGET}
         Qt5::Widgets
         Qt5::DBus
         Qt5::X11Extras
+        Qt5::Xml
         ${X11_LIBRARIES}
         X11::X11
         X11::Xi

settings-daemon/application.cpp

@@ -31,7 +31,7 @@
 
 Application::Application(int &argc, char **argv)
     : QApplication(argc, argv)
-    , m_themeManager(new ThemeManager(this))
+    , m_themeManager(ThemeManager::self())
     , m_brightnessManager(new BrightnessManager(this))
     , m_upowerManager(new UPowerManager(this))
     , m_language(new Language(this))

settings-daemon/language/language.cpp

@@ -19,8 +19,10 @@
 
 #include "language.h"
 #include "languageadaptor.h"
+#include "theme/thememanager.h"
 
 #include <QDBusInterface>
+#include <QSettings>
 
 Language::Language(QObject *parent)
     : QObject(parent)
@@ -46,6 +48,14 @@ void Language::setLanguage(const QString &code)
         return;
     }
 
+    QSettings settings(QStringLiteral("cutefishos"), QStringLiteral("theme"));
+    // 中文语言下更换字体
+    if (code == "zh_CN") {
+        settings.setValue("Font", "Noto Sans CJK SC");
+    } else if (code.contains("en_")) {
+        settings.setValue("Font", "Noto Sans");
+    }
+
     m_settings->setValue("language", code);
     emit languageChanged();
 

settings-daemon/theme/thememanager.cpp

@@ -20,6 +20,8 @@
 #include "thememanager.h"
 #include "themeadaptor.h"
 
+#include <QDomDocument>
+#include <QTextStream>
 #include <QDBusInterface>
 #include <QProcess>
 #include <QFile>
@@ -40,6 +42,12 @@ static QString gtk3SettingsIniPath()
     return QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1String("/gtk-3.0/settings.ini");
 }
 
+ThemeManager *ThemeManager::self()
+{
+    static ThemeManager t;
+    return &t;
+}
+
 ThemeManager::ThemeManager(QObject *parent)
     : QObject(parent)
     , m_settings(new QSettings(QStringLiteral("cutefishos"), QStringLiteral("theme")))
@@ -70,6 +78,9 @@ ThemeManager::ThemeManager(QObject *parent)
 
     // Start the DE and need to update the settings again.
     initGtkConfig();
+
+    // 登陆后更新 fontconfig
+    updateFontConfig();
 }
 
 bool ThemeManager::isDarkMode()
@@ -163,6 +174,7 @@ void ThemeManager::setSystemFont(const QString &fontFamily)
 {
     m_settings->setValue(s_systemFontName, fontFamily);
     updateGtkFont();
+    updateFontConfig();
 
     emit systemFontChanged();
 }
@@ -175,6 +187,8 @@ QString ThemeManager::systemFixedFont()
 void ThemeManager::setSystemFixedFont(const QString &fontFamily)
 {
     m_settings->setValue(s_systemFixedFontName, fontFamily);
+
+    updateFontConfig();
 }
 
 qreal ThemeManager::systemFontPointSize()
@@ -351,6 +365,83 @@ void ThemeManager::updateGtkIconTheme()
     settings.sync();
 }
 
+void ThemeManager::updateFontConfig()
+{
+    const QString &fimilyFont = systemFont();
+    const QString &fixedFont = systemFixedFont();
+
+    QString content = QString("<?xml version=\"1.0\"?>"
+                        "<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">"
+                        "<fontconfig>"
+                        "<match target=\"pattern\">"
+                        "<test qual=\"any\" name=\"family\">"
+                        "<string>serif</string>"
+                        "</test>"
+                        "<edit name=\"family\" mode=\"assign\" binding=\"strong\">"
+                        "<string>%1</string>"
+                        "<string>%2</string>"
+                        "</edit>"
+                        "</match>"
+                        "<match target=\"pattern\">"
+                        "<test qual=\"any\" name=\"family\">"
+                        "<string>sans-serif</string>"
+                        "</test>"
+                        "<edit name=\"family\" mode=\"assign\" binding=\"strong\">"
+                        "<string>%3</string>"
+                        "<string>%4</string>"
+                        "</edit>"
+                        "</match>"
+                        "<match target=\"pattern\">"
+                        "<test qual=\"any\" name=\"family\">"
+                        "<string>monospace</string>"
+                        "</test>"
+                        "<edit name=\"family\" mode=\"assign\" binding=\"strong\">"
+                        "<string>%5</string>"
+                        "<string>%6</string>"
+                        "<string>%7</string>"
+                        "</edit>"
+                        "</match>"
+                        "<match target=\"font\">"
+                        "<edit name=\"rgba\"><const>rgb</const></edit>"
+                        "</match>"
+                        "</fontconfig>"
+    ).arg(fimilyFont).arg(fimilyFont)
+     .arg(fimilyFont).arg(fimilyFont)
+     .arg(fixedFont).arg(fixedFont)
+     .arg(fimilyFont);
+
+    QString targetPath(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1Char('/') + QLatin1String("fontconfig"));
+
+    if (!QDir(targetPath).exists()) {
+        QDir(targetPath).mkpath(targetPath);
+    }
+
+    targetPath += "/conf.d";
+
+    if (!QDir(targetPath).exists()) {
+        QDir(targetPath).mkpath(targetPath);
+    }
+
+    QString xmlOut;
+    QXmlStreamReader reader(content);
+    QXmlStreamWriter writer(&xmlOut);
+    writer.setAutoFormatting(true);
+
+    while (!reader.atEnd()) {
+        reader.readNext();
+        if (!reader.isWhitespace()) {
+            writer.writeCurrentToken(reader);
+        }
+    }
+
+    QFile file(targetPath + "/99-cutefish.conf");
+    if (file.open(QIODevice::WriteOnly)) {
+        QTextStream s(&file);
+        s << xmlOut.toLatin1();
+        file.close();
+    }
+}
+
 QString ThemeManager::iconTheme() const
 {
     return m_iconTheme;

settings-daemon/theme/thememanager.h

@@ -41,6 +41,8 @@ class ThemeManager : public QObject
     Q_PROPERTY(QString iconTheme READ iconTheme WRITE setIconTheme NOTIFY iconThemeChanged)
 
 public:
+    static ThemeManager *self();
+
     ThemeManager(QObject *parent = nullptr);
 
     bool isDarkMode();
@@ -103,6 +105,7 @@ private:
     void updateGtkFont();
     void updateGtkDarkTheme();
     void updateGtkIconTheme();
+    void updateFontConfig();
 
     QSettings *m_settings;