From 12b6702394e8e25e9aeb5d0ee33d050e4e220628 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Tue, 16 Dec 2025 12:16:02 +0100
Subject: [PATCH] =?UTF-8?q?Windows:=20Fix=20"If=20app=20appears=20on=20non?=
 =?UTF-8?q?-active=20screen=20=E2=80=A6,=20window=20resizes"=20(#259)?=
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---
 src/Fl_win32.cxx | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index e7539737f..8202b8019 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -2168,9 +2168,14 @@ 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 {
-      int mx, my;
-      nscreen = Fl::screen_driver()->get_mouse(mx, my);
+    } else if (Fl::screen_driver()->screen_count() > 1 ) {
+      // put the new window on same screen as mouse
+       int mx, my, X, Y, W, H;
+       nscreen = Fl::screen_driver()->get_mouse(mx, my);
+       Fl::screen_xywh(X, Y, W, H, nscreen);
+       if (mx + w->w() >= X + W) mx = X + W - w->w();
+       if (my + w->h() >= Y + H) my = Y + H - w->h();
+       w->position(mx, my);
     }
   }
   Fl_Window_Driver::driver(w)->screen_num(nscreen);