From 28f821f1e06e10839824a1c68dc86da5654fb19b Mon Sep 17 00:00:00 2001 From: Midgard Date: Thu, 8 Sep 2022 13:44:14 +0200 Subject: [PATCH] Print error if wlr-layer-shell is not supported --- wl-overlay.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/wl-overlay.c b/wl-overlay.c index 3da3ff7..fece9e4 100644 --- a/wl-overlay.c +++ b/wl-overlay.c @@ -116,18 +116,19 @@ struct user_request { struct client_state { struct user_request user_request; + bool stop; + /* Globals */ struct wl_registry *wl_registry; struct wl_display *wl_display; struct wl_shm *wl_shm; struct wl_compositor *wl_compositor; + struct zwlr_layer_shell_v1 *layer_shell; + struct wl_seat *wl_seat; /* Objects */ - struct zwlr_layer_shell_v1 *layer_shell; struct wl_surface *wl_surface; struct zwlr_layer_surface_v1 *zwlr_surface; - - bool stop; }; static void @@ -452,12 +453,17 @@ main(int argc, char *argv[]) state.wl_display = wl_display_connect(NULL); if (!state.wl_display) { fprintf(stderr, "Could not connect to Wayland server\n"); - return 1; + exit(1); } state.wl_registry = wl_display_get_registry(state.wl_display); wl_registry_add_listener(state.wl_registry, &wl_registry_listener, &state); wl_display_roundtrip(state.wl_display); + if (state.layer_shell == NULL) { + fprintf(stderr, "Wayland compositor does not support wlr-layer-shell protocol\n"); + exit(1); + } + state.wl_surface = wl_compositor_create_surface(state.wl_compositor); state.zwlr_surface = zwlr_layer_shell_v1_get_layer_surface( state.layer_shell, state.wl_surface, NULL, ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, "wl-overlay");