refactor: Fonts (#5228)

src/singletons/Settings.hpp

@@ -25,6 +25,19 @@ using TimeoutButton = std::pair<QString, int>;
 
 namespace chatterino {
 
+#ifdef Q_OS_WIN32
+#    define DEFAULT_FONT_FAMILY "Segoe UI"
+#    define DEFAULT_FONT_SIZE 10
+#else
+#    ifdef Q_OS_MACOS
+#        define DEFAULT_FONT_FAMILY "Helvetica Neue"
+#        define DEFAULT_FONT_SIZE 12
+#    else
+#        define DEFAULT_FONT_FAMILY "Arial"
+#        define DEFAULT_FONT_SIZE 11
+#    endif
+#endif
+
 void _actuallyRegisterSetting(
     std::weak_ptr<pajlada::Settings::SettingData> setting);
 
@@ -134,6 +147,14 @@ public:
 
     //    BoolSetting collapseLongMessages =
     //    {"/appearance/messages/collapseLongMessages", false};
+    QStringSetting chatFontFamily{
+        "/appearance/currentFontFamily",
+        DEFAULT_FONT_FAMILY,
+    };
+    IntSetting chatFontSize{
+        "/appearance/currentFontSize",
+        DEFAULT_FONT_SIZE,
+    };
     BoolSetting hideReplyContext = {"/appearance/hideReplyContext", false};
     BoolSetting showReplyButton = {"/appearance/showReplyButton", false};
     BoolSetting stripReplyMention = {"/appearance/stripReplyMention", true};