From 888ce66e186e2892bc30afb5bb97918d504e0ba1 Mon Sep 17 00:00:00 2001
From: Fabrice <fabrice@schaub-dev.xyz>
Date: Tue, 10 Feb 2026 08:48:01 +0100
Subject: event loop

---
 src/wayclock.cc |  4 ++++
 src/wlstate.cc  | 23 ++++++++++++++++++++++-
 src/wlstate.h   |  1 +
 3 files changed, 27 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/wayclock.cc b/src/wayclock.cc
index ecfb784..3009f8d 100644
--- a/src/wayclock.cc
+++ b/src/wayclock.cc
@@ -5,6 +5,10 @@ int main() {
   if (!wayc_wl_state_init(&state))
     wayc_panic("Failed to initialize Wayland state", nullptr);
 
+  while (true) {
+    wayc_wl_state_update(&state);
+  }
+
   wayc_wl_state_deinit(&state);
   return 0;
 }
\ No newline at end of file
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");
+}
diff --git a/src/wlstate.h b/src/wlstate.h
index e4757f6..9d962c2 100644
--- a/src/wlstate.h
+++ b/src/wlstate.h
@@ -12,3 +12,4 @@ struct wl_state_s {
 
 bool wayc_wl_state_init(struct wl_state_s *state);
 void wayc_wl_state_deinit(struct wl_state_s *state);
+void wayc_wl_state_update(struct wl_state_s *state);
-- 
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