feat: event system

Makefile

@@ -1,8 +1,8 @@
 CFLAGS = -Wall -Wextra -I./include/ -g
 LIBS = $(shell pkg-config --libs wayland-client wayland-egl egl glesv2 wayland-cursor)
 
-build/main: src/main.cpp build/shader.o build/state.o build/renderer.o build/window.o build/window_wayland.o build/input.o build/input_wayland.o build/event.o build/xdg-shell-protocol.o
-	g++ -o build/main $(CFLAGS) src/main.cpp build/shader.o build/state.o build/renderer.o build/window.o build/window_wayland.o build/input.o build/input_wayland.o build/event.o build/xdg-shell-protocol.o $(LIBS)
+build/main: src/main.cpp build/shader.o build/state.o build/renderer.o build/window.o build/window_wayland.o build/input.o build/input_wayland.o build/event.o build/event_input.o build/xdg-shell-protocol.o
+	g++ -o build/main $(CFLAGS) src/main.cpp build/shader.o build/state.o build/renderer.o build/window.o build/window_wayland.o build/input.o build/input_wayland.o build/event.o build/event_input.o build/xdg-shell-protocol.o $(LIBS)
 
 build/shader.o: src/shader.cpp include/shader.h
 	g++ -o build/shader.o $(CFLAGS) -c src/shader.cpp
@@ -31,6 +31,9 @@ build/input_wayland.o: include/input/wayland.h src/input/wayland.cpp
 build/event.o: src/event.cpp include/event.h
 	g++ -o build/event.o $(CFLAGS) -c src/event.cpp
 	
+build/event_input.o: src/event/input.cpp include/event/input.h
+	g++ -o build/event_input.o $(CFLAGS) -c src/event/input.cpp
+
 build/xdg-shell-protocol.o: src/xdg-shell-protocol.c
 	gcc -o build/xdg-shell-protocol.o -c $(CFLAGS) $(LIBS) src/xdg-shell-protocol.c
 

include/event.h

@@ -5,10 +5,34 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-enum class EventType {
-	INPUT,
+enum class EventType : unsigned int {
+	// ----- INPUT -----
+	INPUT						= 1 << 0,
+	// Mouse
+	MOUSE						= 1 << 1,
+	MOUSE_MOVED			= 1 << 2,
 };
 
+constexpr EventType operator|(EventType a, EventType b) {
+    return static_cast<EventType>(
+        static_cast<unsigned int>(a) |
+        static_cast<unsigned int>(b)
+    );
+}
+
+constexpr EventType operator&(EventType a, EventType b) {
+    return static_cast<EventType>(
+        static_cast<unsigned int>(a) &
+        static_cast<unsigned int>(b)
+    );
+}
+
+constexpr EventType operator~(EventType a) {
+    return static_cast<EventType>(
+        ~static_cast<unsigned int>(a)
+    );
+}
+
 struct Event {
 public:
 	Event();

include/event/input.h

@@ -13,4 +13,25 @@ public:
 	EventType GetType() const override;
 };
 
+struct MouseEvent : public InputEvent {
+public:
+	MouseEvent(EventType type);
+	~MouseEvent() = default;
+
+public:
+	EventType GetType() const override;
+
+private:
+	EventType m_mouse_type;
+};
+
+struct MouseMoveEvent : public MouseEvent {
+public:
+	MouseMoveEvent(size_t x, size_t y);
+	~MouseMoveEvent() = default;
+public:
+	size_t x;
+	size_t y;
+};
+
 #endif // H_INPUT_EVENT_

include/input/wayland.h

@@ -4,8 +4,11 @@
 
 #include "input.h"
 
+#include <vector>
 #include <wayland-client-protocol.h>
 
+#include "event.h"
+
 class WaylandInputHandler : public InputHandlerImpl {
 private:
 	static void handle_pointer_enter(void *data,
@@ -67,6 +70,8 @@ private:
 	struct wl_pointer_listener m_pointer_listener;
 	wl_fixed_t m_surface_x;
 	wl_fixed_t m_surface_y;
+private:
+	std::vector<Event*> m_event_queue;
 };
 
 #endif // H_WAYLAND_INPUT_

src/event/input.cpp

@@ -1,6 +1,15 @@
 #include "event/input.h"
+#include "event.h"
 
 EventType InputEvent::GetType() const {
 	return EventType::INPUT;
 }
 
+MouseEvent::MouseEvent(EventType type) : InputEvent(), m_mouse_type(type) {}
+
+EventType MouseEvent::GetType() const {
+	return InputEvent::GetType() | EventType::MOUSE | m_mouse_type;
+}
+
+MouseMoveEvent::MouseMoveEvent() : MouseEvent(EventType::MOUSE_MOVED) {}
+

src/input/wayland.cpp

@@ -2,6 +2,7 @@
 #include <stdio.h>
 
 #include "input/wayland.h"
+#include "event/input.h"
 #include "state/wayland.h"
 #include <wayland-client-core.h>
 #include <wayland-client-protocol.h>
@@ -69,15 +70,16 @@ void WaylandInputHandler::handle_pointer_leave(void *data,
 }
 
 void WaylandInputHandler::handle_pointer_motion(void *data,
-                                                struct wl_pointer *wl_pointer,
+                                                struct wl_pointer *pointer,
                                                 uint32_t time,
                                                 wl_fixed_t surface_x,
                                                 wl_fixed_t surface_y) {
-	UNUSED(wl_pointer);
+	UNUSED(pointer);
 	UNUSED(time);
 	auto handler = reinterpret_cast<WaylandInputHandler*>(data);
 	handler->m_surface_x = surface_x;
 	handler->m_surface_y = surface_y;
+	handler->m_event_queue.push_back(new MouseMoveEvent(surface_x, surface_y));
 }
 
 void WaylandInputHandler::handle_pointer_button(void *data,