From e37bdf6bd2c5aa7037a453a31363e4208499698f Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Tue, 18 Jul 2023 15:24:20 +0300
Subject: [PATCH] Add touch events

---
 libs/app/include/psemek/app/application_base.hpp  | 1 +
 libs/app/include/psemek/app/event_handler.hpp     | 1 +
 libs/app/include/psemek/app/event_state.hpp       | 3 +++
 libs/app/include/psemek/app/events.hpp            | 5 +++++
 libs/app/include/psemek/app/scene_application.hpp | 1 +
 libs/app/source/application_base.cpp              | 5 +++++
 libs/app/source/scene_application.cpp             | 5 +++++
 7 files changed, 21 insertions(+)

diff --git a/libs/app/include/psemek/app/application_base.hpp b/libs/app/include/psemek/app/application_base.hpp
index 2ca21143..077922c2 100644
--- a/libs/app/include/psemek/app/application_base.hpp
+++ b/libs/app/include/psemek/app/application_base.hpp
@@ -16,6 +16,7 @@ namespace psemek::app
 		void on_event(mouse_move_event const &) override;
 		void on_event(mouse_wheel_event const &) override;
 		void on_event(mouse_button_event const &) override;
+		void on_event(touch_event const &) override;
 		void on_event(key_event const &) override;
 
 		void stop() override;
diff --git a/libs/app/include/psemek/app/event_handler.hpp b/libs/app/include/psemek/app/event_handler.hpp
index 33137872..8a6e4775 100644
--- a/libs/app/include/psemek/app/event_handler.hpp
+++ b/libs/app/include/psemek/app/event_handler.hpp
@@ -12,6 +12,7 @@ namespace psemek::app
 		virtual void on_event(mouse_move_event const &) {}
 		virtual void on_event(mouse_wheel_event const &) {}
 		virtual void on_event(mouse_button_event const &) {}
+		virtual void on_event(touch_event const &) {}
 		virtual void on_event(key_event const &) {}
 
 		virtual ~event_handler() {}
diff --git a/libs/app/include/psemek/app/event_state.hpp b/libs/app/include/psemek/app/event_state.hpp
index aa0277ac..d8738497 100644
--- a/libs/app/include/psemek/app/event_state.hpp
+++ b/libs/app/include/psemek/app/event_state.hpp
@@ -45,6 +45,9 @@ namespace psemek::app
 			state.mouse_button_down.erase(event.button);
 	}
 
+	inline void apply(event_state &, touch_event const &)
+	{}
+
 	inline void apply(event_state & state, key_event const & event)
 	{
 		if (event.down)
diff --git a/libs/app/include/psemek/app/events.hpp b/libs/app/include/psemek/app/events.hpp
index 4c94d514..7d5df1bc 100644
--- a/libs/app/include/psemek/app/events.hpp
+++ b/libs/app/include/psemek/app/events.hpp
@@ -38,6 +38,11 @@ namespace psemek::app
 		bool down;
 	};
 
+	struct touch_event
+	{
+		geom::point<int, 2> position;
+	};
+
 	enum class keycode
 	{
 		// TODO
diff --git a/libs/app/include/psemek/app/scene_application.hpp b/libs/app/include/psemek/app/scene_application.hpp
index b8c6a8ae..992da93a 100644
--- a/libs/app/include/psemek/app/scene_application.hpp
+++ b/libs/app/include/psemek/app/scene_application.hpp
@@ -14,6 +14,7 @@ namespace psemek::app
 		void on_event(mouse_move_event const &) override;
 		void on_event(mouse_wheel_event const &) override;
 		void on_event(mouse_button_event const &) override;
+		void on_event(touch_event const &) override;
 		void on_event(key_event const &) override;
 
 		void update() override;
diff --git a/libs/app/source/application_base.cpp b/libs/app/source/application_base.cpp
index eacd4a08..512cdf2d 100644
--- a/libs/app/source/application_base.cpp
+++ b/libs/app/source/application_base.cpp
@@ -28,6 +28,11 @@ namespace psemek::app
 		apply(state_, event);
 	}
 
+	void application_base::on_event(touch_event const & event)
+	{
+		apply(state_, event);
+	}
+
 	void application_base::on_event(key_event const & event)
 	{
 		apply(state_, event);
diff --git a/libs/app/source/scene_application.cpp b/libs/app/source/scene_application.cpp
index 70ff4990..a6024df8 100644
--- a/libs/app/source/scene_application.cpp
+++ b/libs/app/source/scene_application.cpp
@@ -28,6 +28,11 @@ namespace psemek::app
 		on_event_impl(event);
 	}
 
+	void scene_application::on_event(touch_event const & event)
+	{
+		on_event_impl(event);
+	}
+
 	void scene_application::on_event(key_event const & event)
 	{
 		on_event_impl(event);