From e40da415d5b4de3ff6a004452822501bbea35efb Mon Sep 17 00:00:00 2001
From: "Michael D. Lowis" <mike.lowis@gentex.com>
Date: Thu, 27 Apr 2017 12:10:13 -0400
Subject: [PATCH] reworked event loop for x11 to have a 100ms timeout. This
 allows us to refresh periodically even when no X events have occurred

---
 lib/x11.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/x11.c b/lib/x11.c
index 27104fc..cdf49e2 100644
--- a/lib/x11.c
+++ b/lib/x11.c
@@ -6,6 +6,8 @@
 #include <utf.h>
 #include <edit.h>
 #include <locale.h>
+#include <sys/time.h>
+#include <sys/types.h>
 
 static struct XSel* selfetch(Atom atom); 
 static void selclear(XEvent* evnt);
@@ -324,9 +326,19 @@ void x11_handle_events(void) {
 }
 
 void x11_loop(void) {
+    fd_set fds;
+    int xfd = ConnectionNumber(X.display);
     for (XEvent e; Running;) {
-        XPeekEvent(X.display,&e);
-        x11_handle_events();
+        struct timeval tv = { .tv_usec = 100000 };
+        FD_ZERO(&fds);
+        FD_SET(xfd, &fds);
+    
+        int ready = select(xfd+1, &fds, NULL, NULL, &tv);
+        if (ready > 0)
+            x11_handle_events();
+        //else
+        //    timer expired
+        
         if (Running) {
             /* redraw the window */
             Config->redraw(X.width, X.height);
-- 
2.52.0