From: Michael D. Lowis <mike.lowis@gentex.com>
Date: Thu, 2 Feb 2017 17:40:00 +0000 (-0500)
Subject: Don't bother setting the callback if there is no selection owner
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=e9edf1650b64da02612719735b250b3a4f49b40c;p=projs%2Ftide.git

Don't bother setting the callback if there is no selection owner
---

diff --git a/lib/x11.c b/lib/x11.c
index 63df657..b0b20f0 100644
--- a/lib/x11.c
+++ b/lib/x11.c
@@ -573,6 +573,8 @@ static void selrequest(XEvent* evnt) {
 bool x11_getsel(int selid, void(*cbfn)(char*)) {
     struct XSel* sel = &(Selections[selid]);
     if (sel->callback) return false;
+    if (XGetSelectionOwner(X.display, sel->atom) == None) 
+        return true;
     sel->callback = cbfn;    
     XConvertSelection(X.display, sel->atom, SelTarget, sel->atom, X.window, CurrentTime);
     XFlush(X.display);