5 files changed, 18 insertions, 0 deletions
diff --git a/src/config.cc b/src/config.cc
index db42a7b..90ef95d 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -90,6 +90,10 @@ public:
     }
   }
 
+  void remove(std::string const& key) override {
+    override_.erase(key);
+  }
+
 private:
   bool update(bool good, std::string const& last_error,
               std::unordered_map<std::string, std::string>& data) {
diff --git a/src/config.hh b/src/config.hh
index 5262e91..011e890 100644
--- a/src/config.hh
+++ b/src/config.hh
@@ -24,6 +24,10 @@ public:
   virtual bool is_set(std::string const& key) = 0;
 
   virtual void set(std::string const& key, std::string const& value) = 0;
+  virtual void set(std::string const& key, bool value) {
+    set(key, std::string(value ? "true" : "false"));
+  }
+  virtual void remove(std::string const& key) = 0;
 
 protected:
   Config() { }
diff --git a/src/gui_gtk.cc b/src/gui_gtk.cc
index 55ce88a..a326cea 100644
--- a/src/gui_gtk.cc
+++ b/src/gui_gtk.cc
@@ -555,6 +555,9 @@ public:
   void set(std::string const& key, std::string const& value) override {
     g_settings_set_string(settings_.get(), key.c_str(), value.c_str());
   }
+  void remove(std::string const& key) override {
+    g_settings_reset(settings_.get(), key.c_str());
+  }
 
 private:
   shared_gobject<GSettings> settings_;
diff --git a/src/gui_qt.cc b/src/gui_qt.cc
index 59dc5e1..ec67527 100644
--- a/src/gui_qt.cc
+++ b/src/gui_qt.cc
@@ -352,6 +352,9 @@ public:
     settings_->setValue(QString::fromStdString(key),
                         QString::fromStdString(value));
   }
+  void remove(std::string const& key) override {
+    settings_->remove(QString::fromStdString(key));
+  }
 
 private:
   std::unique_ptr<QSettings> settings_;
diff --git a/src/monitor-gui.cc b/src/monitor-gui.cc
index 8044a02..4f4f2fb 100644
--- a/src/monitor-gui.cc
+++ b/src/monitor-gui.cc
@@ -260,6 +260,10 @@ public:
     memory_[key] = value;
   }
 
+  void remove(std::string const& key) override {
+    memory_.erase(key);
+  }
+
 private:
   std::unordered_map<std::string, std::string> memory_;
 };