Added a refresh button, and did some changes to the layout: still working on making those look nice

mytwitter.py

@@ -24,10 +24,11 @@ class TwitWindow:
         self.tkroot = Tkinter.Tk()
         self.tkroot.title("MyTwitter")
         Pmw.initialise(self.tkroot)
+        self.tkroot.grid_columnconfigure(0, weight=1)
 
         # Create the scrolled frame that will hold the tweets
         self.tweet_view = Pmw.ScrolledFrame(self.tkroot, hscrollmode='none', horizflex='elastic')
-        self.tweet_view.pack(expand=Tkinter.YES, fill=Tkinter.BOTH)
+        self.tweet_view.grid(row=0)
 
         # Create labels and text widgets
         for i in range(0, self.num_entries):
@@ -38,13 +39,20 @@ class TwitWindow:
             self.labels[i].config(bg="#07c", fg="white", anchor=Tkinter.W)
             self.texts[i].config(bg="#eff", fg="black", height=3, anchor=Tkinter.NW, justify=Tkinter.LEFT, wraplength=375)
 
+        # A button to refresh manually
+        self.button_box = Tkinter.Frame(self.tkroot)
+        self.button_box.grid(row=1, sticky=Tkinter.W)
+        self.refresh_button = Tkinter.Button(self.button_box, text="Refresh", command=self.update_window)
+        self.refresh_button.grid(row=0, sticky=Tkinter.W)
+
         # Create an update box at the bottom of the window
         self.update_box = Tkinter.Frame(self.tkroot)
-        self.update_box.pack(expand=False, fill=Tkinter.X)
+        self.update_box.grid(row=2, sticky=Tkinter.W)
         self.update_entry = Tkinter.Entry(self.update_box)
-        self.update_entry.pack(expand=Tkinter.YES, fill=Tkinter.X, side=Tkinter.LEFT)
+        self.update_entry.grid(row=0, sticky=Tkinter.W)
+        self.update_box.grid_columnconfigure(0, weight=1)
         self.update_button = Tkinter.Button(self.update_box, text="Update", command=self.update_status)
-        self.update_button.pack(expand=Tkinter.NO, side=Tkinter.RIGHT)
+        self.update_button.grid(row=0, column=1, sticky=Tkinter.W)
 
         ### Set up bindings