From 6bd4f3f9d78be69cb6fce3e9d7f757789f246a39 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sat, 13 Dec 2025 16:57:28 +0100
Subject: =?UTF-8?q?Windows:=20Fix=20"If=20app=20appears=20on=20non-active?=
 =?UTF-8?q?=20screen=20=E2=80=A6,=20window=20resizes"=20(#259)?=
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The fix puts the first window an app creates on the screen containing the mouse,
because the present window creation code needs to know on what screen a created
window is going to appear before creating it.
---
 src/Fl_win32.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index d31568778..da0e20895 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -2190,9 +2190,11 @@ void Fl_WinAPI_Window_Driver::makeWindow() {
     Fl_Window *hint = Fl::first_window();
     if (hint) {
       nscreen = Fl_Window_Driver::driver(hint->top_window())->screen_num();
-    } else {
+    } else if (Fl::screen_driver()->screen_count() > 1 ) {
       int mx, my;
       nscreen = Fl::screen_driver()->get_mouse(mx, my);
+      float s = Fl::screen_driver()->scale(nscreen);
+      w->position(mx/s, my/s); // put the new window on same screen as mouse
     }
   }
   Fl_Window_Driver::driver(w)->screen_num(nscreen);
-- 
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