master ee025b7f0c: Ignore resetting devices upon some events we don't have to handle

[Po Lu]

branch: master
commit ee025b7f0ce0ad8555deebc90607e99d645400df
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Ignore resetting devices upon some events we don't have to handle
    
    * src/xterm.c (handle_one_xevent): Ignore SlaveSwitch
    DeviceChanged events.
---
 src/xterm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xterm.c b/src/xterm.c
index 5271589270..af0c5c0bfd 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -11167,6 +11167,13 @@ handle_one_xevent (struct x_display_info *dpyinfo,
          case XI_PropertyEvent:
          case XI_HierarchyChanged:
          case XI_DeviceChanged:
+
+#ifdef XISlaveSwitch
+           if (xi_event->evtype == XI_DeviceChanged
+               && (((XIDeviceChangedEvent *) xi_event)->reason
+                   == XISlaveSwitch))
+             goto XI_OTHER;
+#endif
            x_init_master_valuators (dpyinfo);
            goto XI_OTHER;
 #ifdef XI_TouchBegin