- fleshing out event system and window manager

- added tests back in for window management

include/fennec/containers/object_pool.h

@@ -137,6 +137,11 @@ public:
 		return *_table[i];
 	}
 
+	constexpr bool operator()(size_t i) const {
+		assert(i < capacity(), "Index out of Bounds!");
+		return _table[i];
+	}
+
 	/// @}
 
 
@@ -205,7 +210,7 @@ public:
 	/// \brief C++ Iterator Specification `begin()`
 	/// \returns an iterator at the start of the object pool
 	const_iterator begin() const {
-		return iterator(this, 0);
+		return const_iterator(this, 0);
 	}
 
 	///
@@ -218,7 +223,7 @@ public:
 	/// \brief C++ Iterator Specification `end()`
 	/// \returns an iterator at the start of the end of the object pool
 	const_iterator end() const {
-		return iterator(this, _size);
+		return const_iterator(this, _size);
 	}
 
 	///

include/fennec/core/event.h

@@ -33,12 +33,17 @@ struct event;
 /// \brief Class outlining the interface for an object that listens for events
 class event_listener {
 public:
-	virtual ~event_listener() = default;
+	virtual ~event_listener();
 
 	///
 	/// \brief event handler callback
 	/// \param event the event to handle
 	virtual void handle_event(event* event) = 0;
+
+#ifndef FENNEC_DOXYGEN
+	FENNEC_RTTI_CLASS_ENABLE() {
+	}
+#endif
 };
 
 ///
@@ -46,36 +51,38 @@ public:
 struct event {
 	virtual ~event() = default;
 
+	static void handle_events();
+
 	///
 	/// \brief Registers a listener for the event type
 	/// \tparam EventT the event type
 	/// \param listener the listener to register
 	template<typename EventT>
 	static void add_listener(event_listener* listener) {
-		event::add_listener(listener, typeuuid<EventT, event>());
+		event::_add_listener(listener, type::get<EventT>().id());
 	}
 
-	///
-	/// \brief Add a listener for an event type of \f$type\f$
-	/// \param listener the listener to add
-	/// \param type the event type to listen for
-	static void add_listener(event_listener* listener, uint64_t type);
-
 	///
 	/// \brief removes a listener from the event system
 	/// \param listener the listener to remove
 	static void remove_listener(event_listener* listener);
 
 	template<typename EventT, typename...ArgsT>
-	static void dispatch_immediate(ArgsT&&...args) {
-
+	static void dispatch(ArgsT&&...args) {
+		event::_dispatch(fennec::make_unique<EventT>(fennec::forward<ArgsT>(args)...));
 	}
 
 	template<typename EventT, typename...ArgsT>
-	static void dispatch_next_tick(ArgsT&&...args) {
-
+	static void dispatch_immediate(ArgsT&&...args) {
+		event::_dispatch_immediate(fennec::make_unique<EventT>(fennec::forward<ArgsT>(args)...));
 	}
 
+private:
+	static void _add_listener(event_listener* listener, uint64_t type);
+	static void _handle_event(unique_ptr<event>& event);
+	static void _dispatch(unique_ptr<event>&& event);
+	static void _dispatch_immediate(unique_ptr<event>&& event);
+
 #ifndef FENNEC_DOXYGEN
 	FENNEC_RTTI_CLASS_ENABLE() {
 	}

include/fennec/lang/assert.h

@@ -31,6 +31,8 @@
 #ifndef FENNEC_LANG_ASSERT_H
 #define FENNEC_LANG_ASSERT_H
 
+#include <fennec/lang/types.h>
+
 ///
 /// \page fennec_lang_assert Assertions
 ///
@@ -69,7 +71,19 @@
 #endif
 
 #ifndef FENNEC_DOXYGEN
-void _assert_impl(const char* expression, const char* file, int line, const char* function, const char* desc, bool halt);
+void _assert_impl(const char* expr, size_t expr_l,
+	              const char* file, size_t file_l, int line,
+	              const char* func, size_t func_l,
+	              const char* desc, bool halt);
+
+template<size_t ExprL, size_t FileL, size_t FuncL>
+void _assert(const char (&expr)[ExprL],
+	         const char (&file)[FileL], int line,
+	         const char (&func)[FuncL],
+	         const char* desc,
+	         bool halt) {
+	::_assert_impl(expr, ExprL, file, FileL, line, func, FuncL, desc, halt);
+}
 #endif
 
 ///
@@ -78,7 +92,7 @@ void _assert_impl(const char* expression, const char* file, int line, const char
 /// \param description the description of the assertion
 #define assert(expression, description) \
 	if(not(expression)) [[unlikely]] { \
-		_assert_impl(#expression, __FILE__, __LINE__, __PRETTY_FUNCTION__, description, not FENNEC_RELEASE); \
+		_assert(#expression, __FILE__, __LINE__, __PRETTY_FUNCTION__, description, not FENNEC_RELEASE); \
 	}
 
 ///
@@ -87,7 +101,7 @@ void _assert_impl(const char* expression, const char* file, int line, const char
 /// \param description the description of the assertion
 #define assertf(expression, description) \
 	if(not(expression)) [[unlikely]] { \
-		_assert_impl(#expression, __FILE__, __LINE__, __PRETTY_FUNCTION__, description, true); \
+		_assert(#expression, __FILE__, __LINE__, __PRETTY_FUNCTION__, description, true); \
 	}
 
 ///

include/fennec/memory/pointers.h

@@ -117,13 +117,20 @@ public:
 	}
 
 	///
-	/// \brief Move Constructor, transfers ownership from \f$other\f$
 	/// \param other The unique_ptr to take ownership from
 	constexpr unique_ptr(unique_ptr&& other)
 		: _handle(other._handle) {
 		other._handle = nullptr;
 	}
 
+	///
+	/// \brief Move Constructor, transfers ownership from \f$other\f$
+	/// \param other The unique_ptr to take ownership from
+	template<typename DerivedT> requires(is_base_of_v<TypeT, DerivedT>)
+	constexpr unique_ptr(unique_ptr<DerivedT>&& other)
+		: _handle(other.release()) {
+	}
+
 	// Delete copy constructor
 	constexpr unique_ptr(const unique_ptr&) = delete;
 
@@ -205,6 +212,9 @@ public:
 		return _handle != nullptr;
 	}
 
+	///
+	/// \brief dereference operator
+	/// \returns a reference to the held value
 	element_t& operator*() const {
 		return *_handle;
 	}
@@ -225,6 +235,11 @@ unique_ptr<TypeT> make_unique(ArgsT&&...args) {
 	return unique_ptr<TypeT>(new TypeT(fennec::forward<ArgsT>(args)...));
 }
 
+template<typename TypeT>
+unique_ptr<TypeT> make_unique(TypeT* ptr) {
+	return unique_ptr<TypeT>(ptr);
+}
+
 }
 
 #endif // FENNEC_MEMORY_POINTERS_H

include/fennec/platform/interface/platform.h

@@ -87,18 +87,20 @@ public:
 	///
 	/// \brief shared object release
 	/// \param obj the shared object to release
-	virtual void           unload_object(shared_object* obj) = 0;
+	virtual void unload_object(shared_object* obj) = 0;
 
 	///
 	/// \brief shared object symbol locator
 	/// \param obj the shared object to search
 	/// \param name the name of the symbol to search for
 	/// \returns a reference to the symbol
-	virtual symbol         find_symbol(shared_object* obj, const cstring& name) = 0;
+	virtual symbol find_symbol(shared_object* obj, const cstring& name) = 0;
 
 	virtual void initialize(); //!< Initialize Drivers and Contexts
 	virtual void shutdown();   //!< Close Drivers and Contexts
 
+	virtual window_manager& get_window_manager() const { return *wmanager; }
+
 protected:
 	unique_ptr<window_manager> wmanager; //!< the window manager
 

include/fennec/platform/interface/window.h

@@ -336,9 +336,9 @@ public:
 protected:
 	display_server* const  server;      //!< the display server the window belongs to
 	window*         const  parent;      //!< the parent window
+	window*                root;        //!< the nearest top-level window in the hierarchy
 	config                 cfg;         //!< the current configuration
 	state                  state;       //!< the current state
-	window*                root;        //!< the nearest top-level window in the hierarchy
 	unique_ptr<gfxsurface> gfx_surface; //!< the corresponding graphics surface
 };
 

include/fennec/platform/window_manager.h

@@ -38,28 +38,23 @@
 #include <fennec/containers/object_pool.h>
 #include <fennec/platform/interface/window.h>
 #include <fennec/threading/lock_guard.h>
+#include <fennec/threading/mpscq.h>
 #include <fennec/threading/mutex.h>
 #include <fennec/threading/thread.h>
 
 namespace fennec
 {
 
+using window_id = size_t; //!< type representing an id for a window
+
 ///
 /// \brief class for handling display servers and windows
 class window_manager {
 // Definitions =========================================================================================================
 public:
-	using window_id = size_t; //!< type representing an id for a window
-
 	static constexpr window_id nullid = -1; //!< constant representing a null window
 
 private:
-	using server_t      = unique_ptr<display_server>;
-	using window_t      = unique_ptr<window>;
-	using window_pool_t = object_pool<window_t>;
-
-	using config = window::config;
-
 	enum command_ : uint8_t {
 		command_set_flag = 0,
 		command_resize
@@ -71,6 +66,14 @@ private:
 		void*     data;
 	};
 
+	static constexpr size_t max_commands = 512;
+
+	using server_t        = unique_ptr<display_server>;
+	using window_t        = unique_ptr<window>;
+	using window_pool_t   = object_pool<window_t>;
+	using command_queue_t = mpscq<command>;
+	using config          = window::config;
+
 
 // Constructors & Destructor ===========================================================================================
 public:
@@ -96,6 +99,7 @@ public:
 	window_id create_window(const config& config, window_id parent = nullid);
 	void begin(window_id window);
 	void end(window_id window);
+	void close(window_id window);
 
 
 // Thread-Safe Functions ===============================================================================================
@@ -111,11 +115,11 @@ public:
 
 	ivec2 get_size(window_id window) const {
 		lock_guard guard(_lock);
-		return _size(window);
+		return _get_size(window);
 	}
 	ivec2 get_position(window_id window) const {
 		lock_guard guard(_lock);
-		return _position(window);
+		return _get_position(window);
 	}
 
 	bool is_visible(window_id window)   const { lock_guard guard(_lock); return _check_state(window, window::state_visible);   }
@@ -151,18 +155,20 @@ public:
 
 
 private:
-	mutable mutex _lock;
-	thread::id    _thread;
-	platform*     _platform;
-	server_t      _display;
-	window_pool_t _windows;
+	mutable mutex   _lock;
+	thread::id      _thread;
+	platform*       _platform;
+	server_t        _display;
+	window_pool_t   _windows;
+	command_queue_t _commands;
+
 
 
 	window_id _parent(window_id   id) const;
 	window_id _root(window_id     id) const;
 
-	ivec2 _size(window_id     id) const;
-	ivec2 _position(window_id id) const;
+	ivec2 _get_size(window_id     id) const;
+	ivec2 _get_position(window_id id) const;
 
 	bool _check_state(window_id id, uint8_t state) const;
 

include/fennec/string/cstring.h

@@ -81,9 +81,10 @@ public:
 	}
 
 	///
-	/// \brief Buffer Constructor, wraps the provided C-Style string
 	/// \param str the buffer to wrap
 	/// \param n the number of characters in the buffer plus the null terminator
+	///
+	/// \note If used with `::strlen`, the result should be incremented by 1 to include the null terminator
 	constexpr cstring(char* str, size_t n)
 		: _str(str)
 		, _size(n - 1)
@@ -94,7 +95,6 @@ public:
 	}
 
 	///
-	/// \brief Buffer Constructor, wraps the provided C-Style string
 	/// \param str the buffer to wrap
 	/// \tparam n the number of characters in the buffer plus the null terminator
 	template<size_t n>
@@ -108,9 +108,10 @@ public:
 	}
 
 	///
-	/// \brief Const Buffer Constructor, wraps the provided C-Style string
 	/// \param str the buffer to wrap
 	/// \param n the number of characters in the buffer plus the null terminator
+	///
+	/// \note If used with `::strlen`, the result should be incremented by 1 to include the null terminator
 	constexpr cstring(const char* str, size_t n)
 		: _cstr(str)
 		, _size(n - 1)

source/core/event.cpp

@@ -19,14 +19,45 @@
 #include <fennec/containers/dynarray.h>
 #include <fennec/containers/set.h>
 #include <fennec/core/event.h>
+#include <fennec/threading/lock_guard.h>
 #include <fennec/threading/mpscq.h>
+#include <fennec/threading/mutex.h>
+
+#define FENNEC_EVENT_QUEUE_SIZE 8192
 
 namespace fennec
 {
 
+static mutex                          lock;
 static dynarray<set<event_listener*>> listeners;
+static mpscq<event>                   queue(FENNEC_EVENT_QUEUE_SIZE);
+
+event_listener::~event_listener() {
+	event::remove_listener(this);
+}
+
+void event::handle_events() {
+	lock_guard guard(lock);
+
+	// if we don't copy into a temporary buffer, we could deadlock ourselves
+	// if someone unwittingly calls dispatch() in an event listener.
+	dynarray<unique_ptr<event>> dispatch(FENNEC_EVENT_QUEUE_SIZE);
+
+	// we query the size instead of empty just in case someone decides to run their own thread
+	// and send events from that thread.
+	size_t n = queue.size();
+	for (size_t i = 0; i < n; ++i) {
+		dispatch[i] = queue.pop();
+	}
+
+	for (size_t i = 0; i < n; ++i) {
+		_handle_event(dispatch[i]);
+	}
+}
+
+void event::_add_listener(event_listener* listener, uint64_t type) {
+	lock_guard guard(lock);
 
-void event::add_listener(event_listener* listener, uint64_t type) {
 	if (listeners.size() <= type) {
 		listeners.resize(type + 1);
 	}
@@ -34,9 +65,29 @@ void event::add_listener(event_listener* listener, uint64_t type) {
 }
 
 void event::remove_listener(event_listener* listener) {
+	lock_guard guard(lock);
+
 	for (auto& it : listeners) {
 		it.erase(listener);
 	}
 }
 
+void event::_handle_event(unique_ptr<event>& event) {
+	auto type = event->get_type().id();
+	for (auto& listener : listeners[type]) {
+		listener->handle_event(event.get());
+	}
+}
+
+void event::_dispatch(unique_ptr<event>&& event) {
+	// queue is taking ownership of the resource
+	queue.emplace(event.release());
+}
+
+void event::_dispatch_immediate(unique_ptr<event>&& event) {
+	lock_guard guard(lock);
+
+	_handle_event(event);
+}
+
 }

source/debug/assert_impl.cpp

@@ -16,17 +16,24 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#include <stdio.h>
+#include <fennec/core/logger.h>
 #include <cpptrace/cpptrace.hpp>
 
-void _assert_callback(const char* expression, const char* file, int line, const char* function, const char* description)
+void _assert_callback(const fennec::cstring& expr, const fennec::cstring& file, int line, const fennec::cstring& func, const fennec::cstring& desc)
 {
 	// Skip
 	// __assert_callback
 	// __assert_impl
-	printf("Assert failed: \"%s\" \n"
+	fennec::logger::log(fennec::format(""
+		"Assert failed: \"{}\" \n"
+		"At {}:{} in {} \n"
+		"Description: {} \n"
+		"Stacktrace: \n",
+		expr, file, line, func, desc
+	));
+	/*printf("Assert failed: \"%s\" \n"
 	       "At %s:%d in %s \n"
 		   "Description: %s \n",
-		   expression, file, line, function, description);
+		   expression, file, line, function, description);*/
 	cpptrace::generate_trace(2).print();
 }

source/lang/assert.cpp

@@ -17,12 +17,21 @@
 // =====================================================================================================================
 
 #include <fennec/lang/detail/_stdlib.h>
+#include <fennec/string/cstring.h>
 
-void _assert_callback(const char* expression, const char* file, int line, const char* function, const char* description);
+void _assert_callback(const fennec::cstring& expr, const fennec::cstring& file, int line, const fennec::cstring& func, const fennec::cstring& desc);
 
-void _assert_impl(const char* expression, const char* file, int line, const char* function, const char* description, bool halt)
+void _assert_impl(const char* expr, size_t expr_l,
+				  const char* file, size_t file_l, int line,
+				  const char* func, size_t func_l,
+				  const char* desc, bool halt)
 {
-	_assert_callback(expression, file, line, function, description);
+	_assert_callback(
+		fennec::cstring(expr, expr_l),
+		fennec::cstring(file, file_l), line,
+		fennec::cstring(func, func_l),
+		fennec::cstring(desc, ::strlen(desc) + 1)
+	);
 
 	if (halt) {
 		::abort();

source/platform/interface/window.cpp

@@ -24,9 +24,14 @@ namespace fennec
 {
 
 window::window(display_server* server, const config& conf, window* parent)
-	: server(server), parent(parent)
-	, cfg(conf), state(), root(nullptr) {
+	: server(server), parent(parent), root(parent ? parent : this)
+	, cfg(conf), state() {
 	state.mode = conf.mode;
+	while (root != nullptr and root->is_popup()) {
+		root = root->get_parent();
+	}
+
+	assertf(root != nullptr, "Failed to find appropriate top-level window.");
 }
 
 window::~window() {

source/platform/linux/wayland/window.cpp

@@ -77,14 +77,6 @@ void wayland_window::initialize() {
 		return;
 	}
 
-
-	root = parent;
-	while (root != nullptr and root->is_popup()) {
-		root = static_cast<wayland_window*>(root->get_parent());
-	}
-
-	assertf(root != nullptr, "Failed to find appropriate top-level window.");
-
 	wayland_server* wl_server = static_cast<wayland_server*>(server);
 
 	surface = wl_compositor_create_surface(wl_server->compositor);

source/platform/window_manager.cpp

@@ -28,8 +28,8 @@
 namespace fennec {
 
 window_manager::window_manager(platform* platform)
-	: _platform(platform) {
-}
+	: _platform(platform)
+	, _commands(max_commands) {}
 
 window_manager::~window_manager() {
 	shutdown();
@@ -70,6 +70,7 @@ void window_manager::shutdown() {
 	}
 
 	assertf(_thread == thread::current(), "Attempted to shutdown Window Manager on a different thread!");
+	lock_guard guard(_lock);
 
 	// Cleanup Windows
 	for (auto& window : _windows) {
@@ -84,31 +85,97 @@ void window_manager::shutdown() {
 }
 
 void window_manager::dispatch() {
-	assertf(_thread == thread::current(), "Attempted to dispatch Window Manager on a different thread!");
+	if (not _display) {
+		return;
+	}
 
+	assertf(_thread == thread::current(), "Attempted to dispatch Window Manager on a different thread!");
 	lock_guard guard(_lock);
+
 	_display->dispatch();
 }
 
-window_manager::window_id window_manager::create_window(const window::config& config, window_id parent) {
-	assertf(_thread == thread::current(), "Attempted to create a window on a different thread!");
+window_id window_manager::create_window(const window::config& config, window_id parent) {
+	if (not _display) {
+		return nullid;
+	}
 
+	assertf(_thread == thread::current(), "Attempted to create a window on a different thread!");
 	lock_guard guard(_lock);
+
 	window* p = parent == nullid ? nullptr : _windows[parent].get();
-	return _windows.emplace(_display->create_window(config, p));
+	window_id id = _windows.emplace(_display->create_window(config, p));
+	_windows[id]->initialize();
+	return id;
 }
 
 void window_manager::begin(window_id window) {
-	assertf(_thread == thread::current(), "Attempted to set window context on a different thread!");
+	if (not _display) {
+		return;
+	}
 
+	assertf(_thread == thread::current(), "Attempted to set window context on a different thread!");
 	lock_guard guard(_lock);
+
 	_windows[window]->begin_frame();
 }
 
 void window_manager::end(window_id window) {
-	assertf(_thread == thread::current(), "Attempted to set window context on a different thread!");
+	if (not _display) {
+		return;
+	}
 
+	assertf(_thread == thread::current(), "Attempted to set window context on a different thread!");
 	lock_guard guard(_lock);
+
 	_windows[window]->end_frame();
 }
+
+void window_manager::close(window_id window) {
+	if (not _display) {
+		return;
+	}
+
+	assertf(_thread == thread::current(), "Attempted to set window context on a different thread!");
+	lock_guard guard(_lock);
+
+	_windows[window]->shutdown();
+	_windows[window] = nullptr;
+	_windows.erase(window);
+}
+
+window_id window_manager::_parent(window_id) const {
+	return nullid;
+}
+
+window_id window_manager::_root(window_id) const {
+	return nullid;
+}
+
+ivec2 window_manager::_get_size(window_id id) const {
+	return _windows[id]->get_size();
+}
+
+ivec2 window_manager::_get_position(window_id id) const {
+	return _windows[id]->get_position();
+}
+
+bool window_manager::_check_state(window_id id, uint8_t state) const {
+	switch (state) {
+		case window::state_running:   return _windows[id]->is_running();
+		case window::state_child:     return _windows[id]->is_child();
+		case window::state_suspended: return _windows[id]->is_suspended();
+		case window::state_visible:   return _windows[id]->is_visible();
+		default: return false;
+	}
+}
+
+bool window_manager::_get_flag(window_id id, uint8_t flag) const {
+	return _windows[id]->get_flag(flag);
+}
+
+bool window_manager::_set_flag(window_id, uint8_t, bool) {
+	return false;
+}
+
 } // fennec

test/CMakeLists.txt

@@ -9,6 +9,8 @@ add_executable(fennec-test
         tests/lang/test_metaprogramming.h
         tests/lang/test_function.h
         tests/test_threading.h
+        tests/test_core.h
+        tests/core/test_event.h
 )
 
 target_compile_definitions(fennec-test PUBLIC FENNEC_TEST_CWD="${CMAKE_SOURCE_DIR}/bin/${FENNEC_BUILD_NAME}"

test/main.cpp

@@ -22,6 +22,7 @@
 
 #include "test.h"
 #include "tests/test_containers.h"
+#include "tests/test_core.h"
 #include "tests/test_string.h"
 #include "tests/test_format.h"
 #include "tests/test_filesystem.h"
@@ -77,6 +78,11 @@ int main(int, char **)
 	fennec::test::fennec_test_rtti();
 	fennec_test_spacer(3);
 
+	fennec_test_header("core library");
+	fennec_test_spacer(2);
+	fennec::test::fennec_test_core();
+	fennec_test_spacer(3);
+
 	fennec_test_header("platform library");
 	fennec_test_spacer(2);
 	fennec::test::fennec_test_platform();

test/printing.h

@@ -79,7 +79,7 @@ inline std::ostream& operator<<(std::ostream& os, const path& str) {
 
 // Helper for printing types
 inline std::ostream& operator<<(std::ostream& os, const type& t) {
-	return os << t.name();
+	return os << t.name().cstr();
 }
 
 }

test/tests/core/test_event.h

@@ -0,0 +1,76 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+///
+/// \file test_event.h
+/// \brief
+///
+///
+/// \details
+/// \author Medusa Slockbower
+///
+/// \copyright Copyright © 2025 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))
+///
+///
+
+
+#ifndef FENNEC_TEST_CORE_EVENT_H
+#define FENNEC_TEST_CORE_EVENT_H
+
+#include "../../test.h"
+#include <fennec/core/event.h>
+
+namespace fennec::test
+{
+
+struct test_event : public event {
+	FENNEC_RTTI_CLASS_ENABLE(event) {
+	}
+};
+
+struct test_listener : public event_listener {
+	bool handled = { false };
+
+	void handle_event(event* event) override {
+		handled = true;
+		fennec_test_run(event->get_type(), type::get<test_event>());
+	}
+
+	FENNEC_RTTI_CLASS_ENABLE(event_listener) {
+	}
+};
+
+inline void fennec_test_core_event() {
+	test_listener listener;
+	event::add_listener<test_event>(&listener);
+
+	event::dispatch<test_event>();
+	event::handle_events();
+
+	fennec_test_run(listener.handled, true);
+
+	listener.handled = false;
+
+	event::dispatch_immediate<test_event>();
+
+	fennec_test_run(listener.handled, true);
+}
+
+}
+
+#endif // FENNEC_TEST_CORE_EVENT_H

test/tests/test_core.h

@@ -0,0 +1,52 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+///
+/// \file test_core.h
+/// \brief
+///
+///
+/// \details
+/// \author Medusa Slockbower
+///
+/// \copyright Copyright © 2025 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))
+///
+///
+
+
+#ifndef FENNEC_TEST_CORE_H
+#define FENNEC_TEST_CORE_H
+
+#include "../test.h"
+#include "core/test_event.h"
+
+namespace fennec::test
+{
+
+inline void fennec_test_core() {
+		fennec_test_subheader("events");
+		fennec_test_spacer(2);
+		fennec_test_core_event();
+		fennec_test_spacer(3);
+
+
+}
+
+}
+
+#endif // FENNEC_TEST_CORE_H

test/tests/test_platform.h

@@ -22,7 +22,7 @@
 #include "../test.h"
 
 #include <fennec/platform/interface/platform.h>
-
+#include <fennec/platform/window_manager.h>
 
 namespace fennec::test
 {
@@ -32,14 +32,12 @@ inline void fennec_test_platform() {
 	platform* platform = platform::instance();
 	platform->initialize();
 
-	/*
-	display_server* display = platform->get_display_server();
+	window_manager& wm = platform->get_window_manager();
 
-	window* window = display->create_window(window::config {
+	window_id window = wm.create_window(window::config {
 		.title = string("fennec-test"),
 		.flags = { },
 		.mode = window::mode_windowed,
-		.parent = window::nullid,
 		.rect = {
 			.position = { 0,   0 },
 			.size     = { 720, 480 },
@@ -48,19 +46,18 @@ inline void fennec_test_platform() {
 		.accessibility = { string("test window"), string("test window description") }
 	});
 
-	assertf(window != nullptr, "Failed to create test window.");
+	assertf(window != window_manager::nullid, "Failed to create test window.");
 
-	window->initialize();
 
-	while (window->is_running()) {
-		window->begin_frame();
-		window->end_frame();
 
-		display->dispatch();
+	while (wm.is_running(window)) {
+		wm.begin(window);
+		wm.end(window);
+
+		wm.dispatch();
 	}
 
-	window->shutdown();
-	*/
+	wm.close(window);
 
 	platform::instance()->shutdown();