From 7c93e280da4ac5aae83efeb58fb93c4cfbdee7e3 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sat, 10 May 2025 21:55:57 +0200
Subject: [PATCH] Wayland: remove crash when resizing hidden subwindow

---
 src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
index e922a8153..d897c5bb3 100644
--- a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
@@ -1817,7 +1817,7 @@ void Fl_Wayland_Window_Driver::resize(int X, int Y, int W, int H) {
   }
   int is_a_move = (X != x() || Y != y());
   bool true_rescale = Fl_Window::is_a_rescale();
-  float f = Fl::screen_scale(pWindow->screen_num());
+  float f = fl_win ? Fl::screen_scale(pWindow->screen_num()) : 1;
   if (fl_win && fl_win->buffer) {
     int scale = wld_scale();
     int stride = cairo_format_stride_for_width(