From 57a8973bc20f4441394e7955e00d233690d9c8fb Mon Sep 17 00:00:00 2001
From: lkn <lkn@localhost>
Date: Sat, 6 Jun 2026 16:53:13 +0200
Subject: [PATCH] fix: wlclient_dispatch stops spinning when compositor closes
 the socket (NULLs ctx->display, making subsequent calls a no-op)

---
 WINGs/wclient_wl.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/WINGs/wclient_wl.c b/WINGs/wclient_wl.c
index 8001b66..6eccec9 100644
--- a/WINGs/wclient_wl.c
+++ b/WINGs/wclient_wl.c
@@ -1159,18 +1159,14 @@ wlclient_dispatch(int timeout_ms, void *userdata)
      *   2. Flush outgoing requests.
      *   3. Poll the fd.
      *   4. read_events / cancel_read.
-     *   5. Dispatch any queued events.
-     *
-     * We don't need the prepare/read split when we're only blocking
-     * here, but doing it correctly keeps us safe if multiple threads
-     * ever want to share the wl_display.
-     */
+     *   5. Dispatch any queued events. */
     while (wl_display_prepare_read(ctx->display) != 0) {
-        if (wl_display_dispatch_pending(ctx->display) < 0) return;
+        if (wl_display_dispatch_pending(ctx->display) < 0)
+            goto dead;
     }
     if (wl_display_flush(ctx->display) < 0 && errno != EAGAIN) {
         wl_display_cancel_read(ctx->display);
-        return;
+        goto dead;
     }
 
     struct pollfd pfd = {
@@ -1182,8 +1178,14 @@ wlclient_dispatch(int timeout_ms, void *userdata)
         wl_display_cancel_read(ctx->display);
         return;
     }
-    if (wl_display_read_events(ctx->display) < 0) return;
-    wl_display_dispatch_pending(ctx->display);
+    if (wl_display_read_events(ctx->display) < 0) goto dead;
+    if (wl_display_dispatch_pending(ctx->display) < 0) goto dead;
+    return;
+
+dead:
+    /* Compositor closed the socket — stop spinning. */
+    wl_display_disconnect(ctx->display);
+    ctx->display = NULL;
 }
 
 /* Pump the client-side Wayland display so pending events (like