event loop

1 files changed, 22 insertions, 1 deletions

diff --git a/src/wlstate.cc b/src/wlstate.cc
index 9232843..1a02b5b 100644
--- a/src/wlstate.cc
+++ b/src/wlstate.cc
@@ -1,8 +1,8 @@
 #include "wlstate.h"
 #include "utils.h"
 #include "xdg-shell.h"
+#include <poll.h>
 #include <string.h>
-#include <wayland-client-core.h>
 #include <wayland-client-protocol.h>
 
 #define WAYC_VERSION 1
@@ -91,3 +91,24 @@ void wayc_wl_state_deinit(struct wl_state_s *state) {
 
   wl_display_disconnect(state->display);
 }
+
+void wayc_wl_state_update(struct wl_state_s *state) {
+  wayc_assert(state != NULL);
+
+  struct pollfd pfd = {
+      (i32)state->eventfd,
+      POLLIN,
+      0,
+  };
+
+  i32 rc = poll(&pfd, 1, 0);
+  if (rc == -1)
+    wayc_panic("Failed to poll Wayland eventfd");
+
+  if (!(pfd.revents & POLLIN))
+    return;
+
+  rc = wl_display_dispatch(state->display);
+  if (rc == -1)
+    wayc_panic("Failed to dispatch Wayland events");
+}