Make quick_read_setting() a templated method

This allows terser usage and removes the need for manually invoking
QVariant's .value<T>() method.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/settings_interface.h b/src/settings_interface.h
index e290125..09c309b 100644
--- a/src/settings_interface.h
+++ b/src/settings_interface.h
@@ -16,7 +16,8 @@ class SettingsInterface {
 public:
     ~SettingsInterface();
     const QVariant read_setting(const QString &key);
-    static const QVariant quick_read_setting(const QString &key);
+    template<typename T>
+    static const T quick_read_setting(const QString &key);
     void write_setting(const QString &key, const QVariant &value);
     void clear_setting(const QString &key);
     void clear_all();
@@ -33,3 +34,10 @@ private:
     // List of keys to remove from the QSettings
     QStringList must_clear;
 };
+
+// Template code implementations have to be "seen" at the same time as the declaration
+template<typename T>
+const T SettingsInterface::quick_read_setting(const QString &key) {
+    static SettingsInterface settings;
+    return settings.read_setting(key).value<T>();
+}