From 97b6233d5039336567a28bcce3d714b18b483785 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tin=20=C5=A0vagelj?= <tin.svagelj@live.com>
Date: Mon, 26 Feb 2024 00:25:39 +0100
Subject: [PATCH] Add wlr layer shell check
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Print a nicer error message if the compositor doesn't support
wlr-layer-shell-unstable-v1 spec.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
---
 src/display-wayland.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/display-wayland.cc b/src/display-wayland.cc
index 880b31d2..9693a466 100644
--- a/src/display-wayland.cc
+++ b/src/display-wayland.cc
@@ -576,6 +576,9 @@ bool display_output_wayland::initialize() {
   wl_registry_add_listener(wl_globals.registry, &registry_listener, NULL);
 
   wl_display_roundtrip(global_display);
+  if (wl_globals.layer_shell == nullptr) {
+    CRIT_ERR("Compositor doesn't support wlr-layer-shell-unstable-v1. Can't run conky.");
+  }
 
   struct wl_surface *surface =
       wl_compositor_create_surface(wl_globals.compositor);