[Bug 57474] Windows disappear irreversibly when are not shown on a virtual desktop

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=57474

--- Comment #1 from O. Nykyforchyn  ---
A quick and dirty hack (commenting out the is_window_rect_mapped() check) makes
things work.

--- window.c.orig       2024-11-27 14:51:32.649671271 +0200
+++ window.c    2024-11-27 14:59:49.405653933 +0200
@@ -2945,8 +2945,7 @@

if (old_style & WS_VISIBLE)
     {
-        if (((swp_flags & SWP_HIDEWINDOW) && !(new_style & WS_VISIBLE)) ||
-            (!(new_style & WS_MINIMIZE) && !is_window_rect_mapped(
&new_rects->window ) && is_window_rect_mapped( &old_rects.window )))
+        if ((swp_flags & SWP_HIDEWINDOW) && !(new_style & WS_VISIBLE))
         {
             release_win_data( data );
             unmap_window( hwnd );

What is interesting, adding !is_virtual_desktop() to the second line does not
help, it seems that this function returns FALSE.