开启 xcb 事件循环

src/xcb/xcb.c

@@ -2,10 +2,12 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <xcb/xcb.h>
 #include <xcb/xcb_aux.h>
+#include <xcb/xcb_event.h>
 #include <xcb/xcb_ewmh.h>
 #include <xcb/xcb_icccm.h>
 #include <xcb/xcb_image.h>
@@ -47,6 +49,11 @@ bool has_other_wm_running(void) {
   return false;
 }
 
+/**
+ * @brief 获取 xcb 链接对应的文件描述符
+ */
+int get_xcb_connection_fd(void) { return xcb_get_file_descriptor(conn); }
+
 /* xinerama 扩展是否激活 */
 static bool xinerama_active(void) {
   const char *name = "XINERAMA";
@@ -263,6 +270,16 @@ void free_window_list(window_list_t *window_list) {
   free(window_list);
 }
 
+void start_xcb_event_loop(void) {
+  xcb_generic_event_t *event = NULL;
+  while ((event = xcb_poll_for_event(conn)) != NULL) {
+    uint8_t event_type = XCB_EVENT_RESPONSE_TYPE(event);
+    const char *label = xcb_event_get_label(event_type);
+    printf("================== %s ==================\n", label);
+    free(event);
+  }
+}
+
 void clean_xcb(void) {
   if (wm_check_window != XCB_NONE) {
     xcb_destroy_window(conn, wm_check_window);