commit df0ed9f731b2494677651ff5c0bebcf989cbb8b3
author Pierre Ossman <ossman@cendio.se> Tue May 24 11:33:43 2011 +0000
committer Pierre Ossman <ossman@cendio.se> Tue May 24 11:33:43 2011 +0000
tree f6068e96537b193cffa9d7fea1c8223d10214355
parent 7e590a9d3751e4c806735b37d5dac497e9c7fdf6

Handle horizontal wheel events and not just vertical.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4443 3789f03b-4d11-0410-bbf8-ca57d06f2519

vncviewer/Viewport.cxx

diff --git a/vncviewer/Viewport.cxx b/vncviewer/Viewport.cxx
index 5b5f5bb..1d90f06 100644
--- a/vncviewer/Viewport.cxx
+++ b/vncviewer/Viewport.cxx
@@ -215,10 +215,15 @@
       buttonMask |= 4;
 
     if (event == FL_MOUSEWHEEL) {
+      wheelMask = 0;
       if (Fl::event_dy() < 0)
-        wheelMask = 8;
-      else
-        wheelMask = 16;
+        wheelMask |= 8;
+      if (Fl::event_dy() > 0)
+        wheelMask |= 16;
+      if (Fl::event_dx() < 0)
+        wheelMask |= 32;
+      if (Fl::event_dx() > 0)
+        wheelMask |= 64;
 
       // A quick press of the wheel "button", followed by a immediate
       // release below