From: Samuel Mannehed <samuel@cendio.se>
Date: Tue, 5 May 2020 08:39:13 +0000 (+0200)
Subject: Ignore bogus FL_MOVE events from FLTK
X-Git-Tag: v1.10.90~27^2~4
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=6e8147eb122eb8670513d6001e413bd983e93075;p=tigervnc.git

Ignore bogus FL_MOVE events from FLTK
---

diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
index 2ca13eea..f616f8c8 100644
--- a/vncviewer/DesktopWindow.cxx
+++ b/vncviewer/DesktopWindow.cxx
@@ -755,6 +755,12 @@ int DesktopWindow::fltkHandle(int event, Fl_Window *win)
 {
   int ret;
 
+  // FLTK keeps spamming bogus FL_MOVE events if _any_ X event is
+  // received with the mouse pointer outside our windows
+  // https://github.com/fltk/fltk/issues/76
+  if ((event == FL_MOVE) && (win == NULL))
+    return 0;
+
   ret = Fl::handle_(event, win);
 
   // This is hackish and the result of the dodgy focus handling in FLTK.