When triggering show() on kill USR2, everything works as expected, but
the keyboard attributes are the same as before. So in
layer_surface_configure, we don't match the condition.

Checking hidden, and resetting it from inside this scope is enough to
solve the problem.

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>
---
 main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/main.c b/main.c
index 01452c3..7a849ee 100644
--- a/main.c
+++ b/main.c
@@ -545,10 +545,12 @@ layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
                         uint32_t serial, uint32_t w, uint32_t h)
 {
     if (keyboard.w != w || keyboard.h != h ||
-        keyboard.scale != keyboard.pending_scale) {
+        keyboard.scale != keyboard.pending_scale || hidden) {
+
         keyboard.w = w;
         keyboard.h = h;
         keyboard.scale = keyboard.pending_scale;
+        hidden = false;
 
         if (wfs_mgr && viewporter) {
             if (!wfs_draw_surf) {
@@ -700,8 +702,6 @@ show()
     zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener,
                                        NULL);
     wl_surface_commit(draw_surf.surf);
-
-    hidden = false;
 }
 
 void
-- 
2.42.0