moved key bindings and previous directory to pickle file. Have shutdown method that saves pickle and watches for all methods of quitting program. Added keybind for open file box

main.py

@@ -2,7 +2,7 @@ from tkinter import *
 from tkinter import filedialog
 from zipfile import ZipFile as zf
 from PIL import Image, ImageTk
-import io,os
+import io,os, pickle
 
 class MangaReader:
     def __init__(self, master):
@@ -12,9 +12,22 @@ class MangaReader:
         self.file = 'None'
         self.img = ''
         self.dir = 'None'
+        self.nextKey = '<Right>'
+        self.backKey = '<Left>'
+        self.quitKey = 'q'
+        self.openKey = 'o'
 
         master.title("Manga Reader")
 
+
+        #Load settings 
+        settingLoad = pickle.load(open('manga.p', 'rb'))
+        self.dir = settingLoad['directory']
+        self.nextKey = settingLoad['nextKey']
+        self.backKey = settingLoad['backKey']
+        self.quitKey = settingLoad['quitKey']
+        self.openKey = settingLoad['openKey']
+
         # tk window size and allow resize
         master.geometry("700x900")
         master.resizable(width=True, height=True)
@@ -25,7 +38,7 @@ class MangaReader:
         item = Menu(self.menu)
         item.add_command(label="Open", command=self.open_menu)
         item.add_separator()
-        item.add_command(label="Exit", command=master.quit)
+        item.add_command(label="Exit", command=self.shutdown)
         self.menu.add_cascade(label="File", menu=item)
         root.config(menu=self.menu)
 
@@ -53,9 +66,12 @@ class MangaReader:
         self.panel.bind('<Configure>', self.redraw)
 
         # key bindings
-        self.master.bind('<Right>', self.nextPage)
-        self.master.bind('<Left>', self.backPage)
-        self.master.bind('q', quit) 
+        self.master.bind(self.nextKey, self.nextPage)
+        self.master.bind(self.backKey, self.backPage)
+        self.master.bind(self.quitKey, self.shutdown) 
+        self.master.bind(self.openKey, self.open_menu)
+
+        master.protocol('WM_DELETE_WINDOW', self.shutdown)
 
     def open_menu(self):
         # file dialog. reset page counts, call display Maanga passing in starting values
@@ -109,7 +125,7 @@ class MangaReader:
         if self.page < self.total:
             self.displayManga(self.file, self.page)
         else:
-            #reset self.page and doNothing
+            #reset self.page and open file selection
             self.page = self.page - 1
             self.open_menu() 
 
@@ -125,6 +141,14 @@ class MangaReader:
         if self.file != 'None':        
             self.displayManga(self.file, self.page)
 
+    def shutdown(self,*event):
+       # Collect settings and pickle them. Then quit.
+
+        settingSave = {'directory': os.path.dirname(self.file), 'nextKey': self.nextKey, 'backKey': self.backKey,
+            'quitKey': self.quitKey, 'openKey':self.openKey}
+        pickle.dump(settingSave, open('manga.p', 'wb'))
+        quit()
+
 #initalize tk
 root=Tk()
 app = MangaReader(root)