From: Po Lu <luangruo@yahoo.com>
Date: Thu, 14 Apr 2022 02:26:39 +0000 (+0800)
Subject: Ignore XdndPosition events triggered by the wrong mouse button
X-Git-Tag: emacs-29.0.90~1931^2~581
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c10024911d6c225645c22e87a7326c13c0116ac6;p=emacs.git

Ignore XdndPosition events triggered by the wrong mouse button

* src/xterm.c (x_dnd_send_position): Don't send if button is set
but not a scroll wheel button.
---

diff --git a/src/xterm.c b/src/xterm.c
index aad772c4236..367659d3c1c 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3389,6 +3389,8 @@ x_dnd_send_position (struct frame *f, Window target, int supported,
 	  msg.xclient.data.l[1] |= (1 << 9);
 	  msg.xclient.data.l[1] |= (button - 4) << 7;
 	}
+      else if (button)
+	return;
 
       msg.xclient.data.l[1] |= state & 0x3f;
     }