diff --git a/libs/ui/include/psemek/ui/edit.hpp b/libs/ui/include/psemek/ui/edit.hpp
index 638e8e2f..59e1573e 100644
--- a/libs/ui/include/psemek/ui/edit.hpp
+++ b/libs/ui/include/psemek/ui/edit.hpp
@@ -52,6 +52,8 @@ namespace psemek::ui
 		using callback_type = std::function<void(std::u32string_view)>;
 		virtual void on_text_entered(callback_type callback, bool signal = true);
 
+		virtual void on_start_input(std::function<void()> callback);
+
 		bool on_event(mouse_move const & e) override;
 		bool on_event(mouse_click const & e) override;
 		bool on_event(key_press const & e) override;
@@ -97,6 +99,7 @@ namespace psemek::ui
 		validator_type validator_;
 
 		callback_type on_text_entered_;
+		std::function<void()> on_start_input_;
 
 		struct cached_state
 		{
@@ -110,6 +113,7 @@ namespace psemek::ui
 		void on_state_changed();
 		void reset_caret();
 		void post_text_entered() const;
+		void post_start_input() const;
 	};
 
 }
diff --git a/libs/ui/source/edit.cpp b/libs/ui/source/edit.cpp
index 41a75050..64ab533f 100644
--- a/libs/ui/source/edit.cpp
+++ b/libs/ui/source/edit.cpp
@@ -88,6 +88,11 @@ namespace psemek::ui
 			post_text_entered();
 	}
 
+	void edit::on_start_input(std::function<void()> callback)
+	{
+		on_start_input_ = std::move(callback);
+	}
+
 	bool edit::on_event(mouse_move const & e)
 	{
 		auto m = geom::cast<float>(e.position);
@@ -115,6 +120,7 @@ namespace psemek::ui
 					old_text_ = text_;
 					start_text_input();
 					reset_caret();
+					post_start_input();
 				}
 
 				if (cached_state_ && mouse_x_)
@@ -426,4 +432,10 @@ namespace psemek::ui
 		}
 	}
 
+	void edit::post_start_input() const
+	{
+		if (on_start_input_)
+			post(on_start_input_);
+	}
+
 }