options/tie: allow for binding with a format string

1 files changed, 11 insertions, 0 deletions

diff --git a/options/tie.hpp b/options/tie.hpp
index 93004e0f..a3b5a19f 100644
--- a/options/tie.hpp
+++ b/options/tie.hpp
@@ -47,6 +47,17 @@ tie_setting(value<t>& v, QComboBox* cb)
                         v.SAFE_CONNTYPE);
 }
 
+template<typename t, typename... xs>
+void tie_setting(value<t>& v, QLabel* lb, const QString& format, const xs&... args)
+{
+    auto closure = [=](const t& x) { lb->setText(format.arg(x, args...)); };
+
+    closure(v());
+    base_value::connect(&v, static_cast<void(base_value::*)(const t&) const>(&base_value::valueChanged),
+                        lb, closure,
+                        v.SAFE_CONNTYPE);
+}
+
 OTR_OPTIONS_EXPORT void tie_setting(value<int>& v, QComboBox* cb);
 OTR_OPTIONS_EXPORT void tie_setting(value<QString>& v, QComboBox* cb);
 OTR_OPTIONS_EXPORT void tie_setting(value<QVariant>& v, QComboBox* cb);