From 9b7e7becc526c53e7de946e99f0095f1e12bc4e2 Mon Sep 17 00:00:00 2001
From: Jared Miller <jared@smell.flowers>
Date: Thu, 12 Feb 2026 20:21:26 -0500
Subject: [PATCH] Fix cursor offset when tiling WM resizes window on first tick

---
 playscii.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/playscii.py b/playscii.py
index e43dbc5..a0d698a 100755
--- a/playscii.py
+++ b/playscii.py
@@ -915,6 +915,15 @@ class Application:
                 self.gw.post_update()
             self.last_time += self.timestep
             self.updates += 1
+        # On the first update, check if a window manager resized us during
+        # init (e.g. tiling WMs). The SDL_WINDOWEVENT_RESIZED handler skips
+        # tick 0 to avoid a spurious resize from resolution detection, so
+        # any real WM resize on that tick gets dropped.
+        if self.updates == 1:
+            w, h = ctypes.c_int(0), ctypes.c_int(0)
+            sdl2.SDL_GetWindowSize(self.window, ctypes.byref(w), ctypes.byref(h))
+            if w.value != self.window_width or h.value != self.window_height:
+                self.resize_window(w.value, h.value)
         self.frame_update()
 
     def frame_update(self):