From: Po Lu <luangruo@yahoo.com>
Date: Wed, 12 Jan 2022 01:28:48 +0000 (+0800)
Subject: Ignore resetting devices upon some events we don't have to handle
X-Git-Tag: emacs-29.0.90~3124
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ee025b7f0ce0ad8555deebc90607e99d645400df;p=emacs.git

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

* src/xterm.c (handle_one_xevent): Ignore SlaveSwitch
DeviceChanged events.
---

diff --git a/src/xterm.c b/src/xterm.c
index 52715892703..af0c5c0bfde 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