feat: config support set language

QtScrcpy/main.cpp

@@ -132,7 +132,13 @@ void installTranslator()
     static QTranslator translator;
     QLocale locale;
     QLocale::Language language = locale.language();
-    //language = QLocale::English;
+
+    if (Config::getInstance().getLanguage() == "zh_CN") {
+        language = QLocale::Chinese;
+    } else if (Config::getInstance().getLanguage() == "en_US") {
+        language = QLocale::English;
+    }
+
     QString languagePath = ":/i18n/";
     switch (language) {
     case QLocale::Chinese:

QtScrcpy/util/config.cpp

@@ -11,6 +11,9 @@
 #define GROUP_COMMON "common"
 
 // config
+#define COMMON_LANGUAGE_KEY "Language"
+#define COMMON_LANGUAGE_DEF "Auto"
+
 #define COMMON_TITLE_KEY "WindowTitle"
 #define COMMON_TITLE_DEF QCoreApplication::applicationName()
 
@@ -369,6 +372,15 @@ void Config::deleteGroup(const QString &serial)
     m_userData->remove(serial);
 }
 
+QString Config::getLanguage()
+{
+    QString language;
+    m_settings->beginGroup(GROUP_COMMON);
+    language = m_settings->value(COMMON_LANGUAGE_KEY, COMMON_LANGUAGE_DEF).toString();
+    m_settings->endGroup();
+    return language;
+}
+
 QString Config::getTitle()
 {
     QString title;

QtScrcpy/util/config.h

@@ -34,6 +34,7 @@ public:
     static Config &getInstance();
 
     // config
+    QString getLanguage();
     QString getTitle();
     QString getServerVersion();
     int getMaxFps();

config/config.ini

@@ -1,4 +1,6 @@
 [common]
+# 语言 Auto=自动，zh_CN=简体中文，en_US=English
+Language=Auto
 # 窗口标题
 WindowTitle=QtScrcpy
 # 推送到安卓设备的文件保存路径（必须以/结尾）