options, tracker/pt: allow force-reloading value_::valueChanged

Fixes auto threshold slider label text on toggling the checkbox without
dragging the slider.

2 files changed, 14 insertions, 0 deletions

diff --git a/options/base-value.hpp b/options/base-value.hpp
index 6365f82a..d0fa42cf 100644
--- a/options/base-value.hpp
+++ b/options/base-value.hpp
@@ -95,6 +95,7 @@ public slots:
 
     virtual void set_to_default() noexcept = 0;
     virtual void notify() const = 0;
+    virtual void notify_() const = 0;
     virtual QVariant get_variant() const noexcept = 0;
 };
 
diff --git a/options/value.hpp b/options/value.hpp
index 85b76cb6..090a7bdf 100644
--- a/options/value.hpp
+++ b/options/value.hpp
@@ -95,6 +95,19 @@ public:
     }
 
     never_inline
+    void notify_() const override
+    {
+        auto x = get();
+        {
+            QMutexLocker l(&mtx);
+            cached_value = x;
+        }
+        maybe_trace("notify +");
+        emit valueChanged(traits::storage_from_value(x));
+        maybe_trace("notify -");
+    }
+
+    never_inline
     void notify() const override
     {
         if (is_null())