From 84eeac5892c47c657deb961ef3aa88076c8ad651 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 25 Sep 2024 10:23:47 +0200
Subject: Fix issue about Fl_Tabs and maximizing window under Windows (#1075)

---
 src/Fl_Tabs.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Fl_Tabs.cxx b/src/Fl_Tabs.cxx
index ffca48f11..89394ac05 100644
--- a/src/Fl_Tabs.cxx
+++ b/src/Fl_Tabs.cxx
@@ -528,6 +528,7 @@ int Fl_Tabs::handle(int event) {
   static int initial_x = 0;
   static int initial_tab_offset = 0;
   static int forward_motion_to_group = 0;
+  static Fl_Widget *o_push_drag = NULL;
   Fl_Widget *o;
   int i;
 
@@ -563,11 +564,15 @@ int Fl_Tabs::handle(int event) {
     }
     /* FALLTHROUGH */
   case FL_DRAG:
+      o_push_drag = which(Fl::event_x(), Fl::event_y());
   case FL_RELEASE:
     if (forward_motion_to_group) {
       return Fl_Group::handle(event);
     }
     o = which(Fl::event_x(), Fl::event_y());
+    if (event == FL_RELEASE && o != o_push_drag) { // see issue #1075
+      return 1;
+    }
     if ( (overflow_type == OVERFLOW_DRAG) || (overflow_type == OVERFLOW_PULLDOWN) ) {
       if (tab_pos[children()] < w() && tab_offset == 0) {
         // fall through
-- 
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