Initial Commit

1 files changed, 134 insertions, 0 deletions

diff --git a/src/core/event_system.h b/src/core/event_system.h
new file mode 100644
index 0000000..2af717b
--- /dev/null
+++ b/src/core/event_system.h
@@ -0,0 +1,134 @@
+#ifndef SRDWM_EVENT_SYSTEM_H
+#define SRDWM_EVENT_SYSTEM_H
+
+#include <functional>
+#include <map>
+#include <vector>
+#include <string>
+#include <memory>
+
+// Forward declarations
+class SRDWindow;
+class Monitor;
+
+// Event types
+enum class EventType {
+    WINDOW_CREATED,
+    WINDOW_DESTROYED,
+    WINDOW_MOVED,
+    WINDOW_RESIZED,
+    WINDOW_FOCUSED,
+    WINDOW_UNFOCUSED,
+    WINDOW_MINIMIZED,
+    WINDOW_MAXIMIZED,
+    WINDOW_RESTORED,
+    MONITOR_ADDED,
+    MONITOR_REMOVED,
+    MONITOR_CHANGED,
+    KEY_PRESSED,
+    KEY_RELEASED,
+    MOUSE_MOVED,
+    MOUSE_PRESSED,
+    MOUSE_RELEASED,
+    MOUSE_WHEEL,
+    CUSTOM_EVENT
+};
+
+// Base event class
+class Event {
+public:
+    virtual ~Event() = default;
+    EventType type;
+    
+    Event(EventType t) : type(t) {}
+};
+
+// SRDWindow events
+class SRDWindowEvent : public Event {
+public:
+    SRDWindow* window;
+    
+    SRDWindowEvent(EventType t, SRDWindow* w) : Event(t), window(w) {}
+};
+
+class SRDWindowCreatedEvent : public SRDWindowEvent {
+public:
+    SRDWindowCreatedEvent(SRDWindow* w) : SRDWindowEvent(EventType::WINDOW_CREATED, w) {}
+};
+
+class SRDWindowDestroyedEvent : public SRDWindowEvent {
+public:
+    SRDWindowDestroyedEvent(SRDWindow* w) : SRDWindowEvent(EventType::WINDOW_DESTROYED, w) {}
+};
+
+class SRDWindowMovedEvent : public SRDWindowEvent {
+public:
+    int x, y;
+    
+    SRDWindowMovedEvent(SRDWindow* w, int new_x, int new_y) 
+        : SRDWindowEvent(EventType::WINDOW_MOVED, w), x(new_x), y(new_y) {}
+};
+
+class SRDWindowResizedEvent : public SRDWindowEvent {
+public:
+    int width, height;
+    
+    SRDWindowResizedEvent(SRDWindow* w, int new_width, int new_height) 
+        : SRDWindowEvent(EventType::WINDOW_RESIZED, w), width(new_width), height(new_height) {}
+};
+
+// Input events
+class KeyEvent : public Event {
+public:
+    unsigned int keycode;
+    unsigned int modifiers;
+    
+    KeyEvent(EventType t, unsigned int kc, unsigned int mods) 
+        : Event(t), keycode(kc), modifiers(mods) {}
+};
+
+class MouseEvent : public Event {
+public:
+    int x, y;
+    unsigned int button;
+    unsigned int modifiers;
+    
+    MouseEvent(EventType t, int mouse_x, int mouse_y, unsigned int btn, unsigned int mods) 
+        : Event(t), x(mouse_x), y(mouse_y), button(btn), modifiers(mods) {}
+};
+
+// Event handler function type
+using EventHandler = std::function<void(const Event&)>;
+
+// Event system class
+class EventSystem {
+public:
+    EventSystem();
+    ~EventSystem();
+    
+    // Register event handlers
+    void register_handler(EventType type, EventHandler handler);
+    void unregister_handler(EventType type, EventHandler handler);
+    
+    // Emit events
+    void emit_event(const Event& event);
+    void emit_window_event(EventType type, SRDWindow* window);
+    void emit_key_event(EventType type, unsigned int keycode, unsigned int modifiers);
+    void emit_mouse_event(EventType type, int x, int y, unsigned int button, unsigned int modifiers);
+    
+    // Process event queue
+    void process_events();
+    
+    // Clear all handlers
+    void clear_handlers();
+
+private:
+    std::map<EventType, std::vector<EventHandler>> handlers;
+    std::vector<std::unique_ptr<Event>> event_queue;
+    bool processing_events;
+};
+
+// Global event system instance
+extern EventSystem g_event_system;
+
+#endif // SRDWM_EVENT_SYSTEM_H