core: 定义按键和鼠标事件

docs/min_core_draft/wm_service.h

@@ -1,17 +1,26 @@
 #pragma once
 
+#include <stdint.h>
+
 #include "wm_state.h"
 
 typedef enum wm_service_event_type_t {
   WM_SERVICE_EVENT_NONE,
   WM_SERVICE_EVENT_RUNTIME_STARTED,
   WM_SERVICE_EVENT_RUNTIME_STOPPING,
+  WM_SERVICE_EVENT_WINDOW_METADATA_CHANGED,
+  WM_SERVICE_EVENT_STATUS_TICK,
   WM_SERVICE_EVENT_RENDER_OUTPUT,
 } wm_service_event_type_t;
 
 typedef struct wm_service_event_t {
   wm_service_event_type_t type;
   union {
+    struct {
+      wm_window_id_t window_id;
+      uint32_t changed_fields;
+    } window_metadata_changed;
+
     struct {
       wm_output_id_t output_id;
     } render_output;
@@ -43,3 +52,6 @@ void wm_service_registry_shutdown(wm_service_registry_t *registry);
 
 bool wm_service_registry_register(wm_service_registry_t *registry,
                                   wm_service_t service);
+void wm_service_registry_emit(wm_service_registry_t *registry,
+                              const wm_service_event_t *event,
+                              const wm_state_t *state);