From ab5c81129fbb0ebb3e0cbfdbecc56eb6f3dc7b80 Mon Sep 17 00:00:00 2001
From: Emanuele <emanuele.dosualdo@gmail.com>
Date: Mon, 25 May 2020 15:23:53 +0100
Subject: [PATCH] Make sure the pen tracking process is terminated on
 remarkable on exit

Could not figure out a better way, for some reason just closing the client
does not make the `cat /dev/input/event0` process stop.
Suggestions welcome.
---
 src/workers.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/workers.py b/src/workers.py
index 846c552..6d68c37 100644
--- a/src/workers.py
+++ b/src/workers.py
@@ -112,11 +112,13 @@ class PointerWorker(QRunnable):
     self.signals = PWSignals()
 
   def stop(self):
+    self._penkill.write('\n')
     self._stop = True
 
   @pyqtSlot()
   def run(self):
-    _, penstream, _ = self.ssh.exec_command('cat /dev/input/event0')
+    penkill, penstream, _ = self.ssh.exec_command('cat /dev/input/event0 & { read ; kill %1; }')
+    self._penkill = penkill
     new_x = new_y = False
     state = LIFTED