From: Pierre Ossman <ossman@cendio.se>
Date: Tue, 24 May 2011 11:33:43 +0000 (+0000)
Subject: Handle horizontal wheel events and not just vertical.
X-Git-Tag: v1.1.90~335
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=df0ed9f731b2494677651ff5c0bebcf989cbb8b3;p=tigervnc.git

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
---

diff --git a/vncviewer/Viewport.cxx b/vncviewer/Viewport.cxx
index 5b5f5bba..1d90f066 100644
--- a/vncviewer/Viewport.cxx
+++ b/vncviewer/Viewport.cxx
@@ -215,10 +215,15 @@ int Viewport::handle(int event)
       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