From: Po Lu <luangruo@yahoo.com>
Date: Sun, 3 Apr 2022 05:32:25 +0000 (+0800)
Subject: Look for DND proxies on the root window as well
X-Git-Tag: emacs-29.0.90~1931^2~805
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=35928918d1406e61a982e7a036cc6c441484b4cc;p=emacs.git

Look for DND proxies on the root window as well

* src/xterm.c (x_dnd_get_target_window): If nothing was found on
the COW, look at the root window.
---

diff --git a/src/xterm.c b/src/xterm.c
index 8a7a49c8837..e7c671de744 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -2653,8 +2653,23 @@ x_dnd_get_target_window (struct x_display_info *dpyinfo,
 	}
 #endif
 
-      /* No toplevel was found and the overlay window was not a proxy,
-	 so return None.  */
+      /* Now look for an XdndProxy on the root window.  */
+
+      proxy = x_dnd_get_window_proxy (dpyinfo, dpyinfo->root_window);
+
+      if (proxy != None)
+	{
+	  proto = x_dnd_get_window_proto (dpyinfo, dpyinfo->root_window);
+
+	  if (proto != -1)
+	    {
+	      *proto_out = proto;
+	      return proxy;
+	    }
+	}
+
+      /* No toplevel was found and the overlay and root windows were
+	 not proxies, so return None.  */
       *proto_out = -1;
       return None;
     }