From 21e7f68235da66e072bc58e8ac92603dbf258d20 Mon Sep 17 00:00:00 2001
From: chrys <chrys87@web.de>
Date: Sun, 26 Feb 2017 14:45:14 +0100
Subject: [PATCH] clean up code/ dont crash if keyboard unplugs

---
 src/fenrir/core/generalInformation.py |  2 ++
 src/fenrir/fenrir.py                  | 34 ++++-----------------------
 src/fenrir/inputDriver/evdevDriver.py |  7 +++++-
 3 files changed, 13 insertions(+), 30 deletions(-)

diff --git a/src/fenrir/core/generalInformation.py b/src/fenrir/core/generalInformation.py
index ab90a0bd..c3e5ce86 100644
--- a/src/fenrir/core/generalInformation.py
+++ b/src/fenrir/core/generalInformation.py
@@ -11,4 +11,6 @@ generalInformation = {
 'tutorialMode': False,
 'currUser':'',
 'prevUser':'',
+'managerList':['inputManager','screenManager','commandManager','outputManager'
+  ,'punctuationManager','cursorManager','applicationManager','debug'],
 }
diff --git a/src/fenrir/fenrir.py b/src/fenrir/fenrir.py
index 3ffd8d2f..ea248a8f 100644
--- a/src/fenrir/fenrir.py
+++ b/src/fenrir/fenrir.py
@@ -97,35 +97,11 @@ class fenrir():
         self.shutdownRequest()
 
     def shutdown(self):
-        if self.environment['runtime']['inputManager']:
-            self.environment['runtime']['inputManager'].shutdown()                      
-            del self.environment['runtime']['inputManager']
-        self.environment['runtime']['outputManager'].presentText("Quit Fenrir", soundIcon='ScreenReaderOff', interrupt=True)   
-        time.sleep(0.9) # wait a little for sound
-        
-        if self.environment['runtime']['screenManager']:
-            self.environment['runtime']['screenManager'].shutdown()  
-            del self.environment['runtime']['screenManager']
-        if self.environment['runtime']['commandManager']:
-            self.environment['runtime']['commandManager'].shutdown()                                    
-            del self.environment['runtime']['commandManager']
-        if self.environment['runtime']['outputManager']:
-            self.environment['runtime']['outputManager'].shutdown()    
-            del self.environment['runtime']['outputManager']
-        if self.environment['runtime']['punctuationManager']:
-            self.environment['runtime']['punctuationManager'].shutdown()    
-            del self.environment['runtime']['punctuationManager']
-        if self.environment['runtime']['cursorManager']:
-            self.environment['runtime']['cursorManager'].shutdown()    
-            del self.environment['runtime']['cursorManager']
-        if self.environment['runtime']['applicationManager']:
-            self.environment['runtime']['applicationManager'].shutdown()    
-            del self.environment['runtime']['applicationManager']
-            
-        if self.environment['runtime']['debug']:
-            self.environment['runtime']['debug'].shutdown() 
-            del self.environment['runtime']['debug']
-        time.sleep(0.2) # wait a little before splatter it :)
+        self.environment['runtime']['outputManager'].presentText("Quit Fenrir", soundIcon='ScreenReaderOff', interrupt=True)       
+        for currManager in self.environment['generalInformation']['managerList']:
+            if self.environment['runtime'][currManager]:
+                self.environment['runtime'][currManager].shutdown()                      
+                del self.environment['runtime'][currManager]
         self.environment = None
 
 def main():
diff --git a/src/fenrir/inputDriver/evdevDriver.py b/src/fenrir/inputDriver/evdevDriver.py
index c185b6de..f7579e22 100644
--- a/src/fenrir/inputDriver/evdevDriver.py
+++ b/src/fenrir/inputDriver/evdevDriver.py
@@ -50,7 +50,12 @@ class driver():
         r, w, x = select(self.iDevices, [], [], self.env['runtime']['settingsManager'].getSettingAsFloat('screen', 'screenUpdateDelay'))
         if r != []:
             for fd in r:
-                event = self.iDevices[fd].read_one()            
+                try:
+                    event = self.iDevices[fd].read_one()            
+                except:
+                    #print('jow')
+                    del(self.iDevices[fd])
+                    return None
                 foreward = False
                 while(event):
                     self.env['input']['eventBuffer'].append( [self.iDevices[fd], self.uDevices[fd], event])