Multiple fixes

TODO

@@ -104,3 +104,4 @@ TODO
         Ignore a / the / numbers for sorting purposes
         ? Add only one file type if multiple are present
         ? Create emblem per filetype
+        In application notifications

lector/__main__.py

@@ -670,6 +670,12 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
             True,
             self.temp_dir.path()).initiate_threads()
 
+        # TODO
+        # Notification feedback in case all books return nothing
+
+        if not contents:
+            return
+
         for i in contents:
             # New tabs are created here
             # Initial position adjustment is carried out by the tab itself

lector/delegates.py

@@ -49,12 +49,12 @@ class LibraryDelegate(QtWidgets.QStyledItemDelegate):
         if not file_exists:
             painter.setOpacity(.7)
             QtWidgets.QStyledItemDelegate.paint(self, painter, option, index)
+            painter.setOpacity(1)
             read_icon = pie_chart.pixmapper(
                 -1, None, self.parent.settings['consider_read_at'], 36)
             x_draw = option.rect.bottomRight().x() - 30
             y_draw = option.rect.bottomRight().y() - 35
             painter.drawPixmap(x_draw, y_draw, read_icon)
-            painter.setOpacity(1)
             return
 
         QtWidgets.QStyledItemDelegate.paint(self, painter, option, index)

lector/sorter.py

@@ -33,13 +33,14 @@
 
 import io
 import os
+import sys
 import time
 import pickle
 import hashlib
 import threading
 
 # The multiprocessing module does not work correctly on Windows
-if os.uname().sysname == 'Windows':
+if sys.platform.startswith('win'):
     from multiprocessing.dummy import Pool, Manager
 else:
     from multiprocessing import Pool, Manager