From 29976e5741c4e41bca2e5971731e75c1151a0727 Mon Sep 17 00:00:00 2001
From: Isaac Freund <mail@isaacfreund.com>
Date: Mon, 6 Mar 2023 20:17:59 +0100
Subject: Seat: fix potential assertion failure

---
 river/Seat.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/river/Seat.zig b/river/Seat.zig
index 685d4cc..5b5075f 100644
--- a/river/Seat.zig
+++ b/river/Seat.zig
@@ -160,7 +160,9 @@ pub fn focus(self: *Self, _target: ?*View) void {
     }
 
     if (target) |view| {
-        if (view.pending.tags & view.pending.output.?.pending.tags == 0) {
+        if (view.pending.output == null or
+            view.pending.tags & view.pending.output.?.pending.tags == 0)
+        {
             // If the view is not currently visible, behave as if null was passed
             target = null;
         } else if (view.pending.output.? != self.focused_output.?) {
-- 
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