# Graphical Version of Hangman

# Added in the changeable label
# Had to maintain the state of all lettersGuessed and 
# update the label appropriately

from Tkinter import *


# Global for the word we're trying to solve
currentWord = "POTATO"

lettersGuessed=[] # The list of letters that have been guessed
wordStr = None # Holds the string being shown to the user (hidden)

# Redraw the word on the screen
def redrawWord():
    # Start with an empty string and build up the
    # letters for the word
    strToDisplay = ""
    
    # Go through all characters in the current word
    for ch in currentWord:
        if ch in lettersGuessed:
            # Letter has been guessed
            strToDisplay += ch
        else:
            # Letter has not been guessed
            strToDisplay +=  '_'
        strToDisplay += ' ' # Add a space
    wordStr.set(strToDisplay)


# Handle a user's guess of letter. Check if the guess is correct
# and do the appropriate action.
# Also, maintain the list of lettersGuessed because we need to know
# it later
def handleLetter(letter):
    global misses
    
    lettersGuessed.append(letter)
    if isLetterUsed(letter, currentWord):
        # Letter is used
        redrawWord()
    else:
        # A miss occured
        # Nothing to do yet
        print "LETTER WAS A MISS!"
        
# Check if a letter has already been guessed
def isLetterUsed(letter, currentWord):
    for index in range(len(currentWord)):
        print index
        print currentWord[index]
        if letter == currentWord[index]:
            return True
        
    return False

# Init Label widget holding the word
def initWord(parent):
    global wordStr
    wordStr = StringVar() # We need a StringVar since we're going to be changing it
    wordStr.set("_ "*len(currentWord)) # Set it to all blanks _
    lbl = Label(parent, textvariable=wordStr) # Create the label
    lbl.pack() # Pack it in!


def letterPushed(event):
    b = event.widget
    letter = b.cget("text") # Get the configuration item named "text"
    handleLetter(letter)
    b.config(state=DISABLED)

def createButtons(parent):
    letterFrame = Frame(parent)
    letterFrame.pack()

    # Create all the buttons
    for i in range(26):
        currentChar = chr(i+65)
        print currentChar
        b = Button(letterFrame, text=currentChar, padx=20)
        b.bind('<Button>', letterPushed)
        b.pack(side=LEFT)
        if i % 7 == 6:
            letterFrame = Frame(parent)
            letterFrame.pack()

    
# Initialize all the widget in the window
def initWidgets():
    root = Tk()
    initWord(root)
    createButtons(root)
    root.mainloop();

def main():
    initWidgets()

main()