From 65821103b3956ba37231f3bbd4e2c002b9057bd9 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Mon, 26 Apr 2021 14:17:38 +0200
Subject: [PATCH] Avoid "Bogus FL_MOVE/FL_DRAG events" (#76)

Fix sending bogus events if CONSOLIDATE_MOTION is on.

Backported from 1.4 (master):
  commit 7a7f3c33243912b118f2fbf813dc5d80e8fef501.
---
 src/Fl_x.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Fl_x.cxx b/src/Fl_x.cxx
index 593909f9f..46c5c5d26 100644
--- a/src/Fl_x.cxx
+++ b/src/Fl_x.cxx
@@ -210,7 +210,7 @@ static void do_queued_events() {
   // we send FL_LEAVE only if the mouse did not enter some other window:
   if (!in_a_window) Fl::handle(FL_LEAVE, 0);
 #if CONSOLIDATE_MOTION
-  else if (send_motion == fl_xmousewin) {
+  else if (send_motion && send_motion == fl_xmousewin) {
     send_motion = 0;
     Fl::handle(FL_MOVE, fl_xmousewin);
   }