Function main

DemoPrograms/Demo_Sudoku.py:102–153

The Main GUI - It does it all. The "Board" is a grid that's 9 x 9. Even though the layout is a grid of 9 Frames, the addressing of the individual squares is via a key that's a tuple (0,0) to (8,8)

(mask_rate=0.7)

def main(mask_rate=0.7):
    """"
    The Main GUI - It does it all.

    The "Board" is a grid that's 9 x 9.  Even though the layout is a grid of 9 Frames, the
    addressing of the individual squares is via a key that's a tuple (0,0) to (8,8)
    """




    # It's 1 line of code to make a Sudoku board.  If you don't like it, then replace it.
    # Dude (Dudette), it's 1-line of code.  If you don't like the board, write a line of code.
    # The keys for the inputs are tuples (0-8, 0-8) that reference each Input Element.
    # Get an input element for a position using:    window[row, col]
    # To get a better understanding, take it apart. Spread it out. You'll learn in the process.
    window = sg.Window('Sudoku',
                       [[sg.Frame('', [[sg.I(random.randint(1,9), justification='r', size=(3,1),enable_events=True, key=(fr*3+r,fc*3+c)) for c in range(3)] for r in range(3)]) for fc in range(3)] for fr in range(3)] +
                       [[sg.B('Solve'), sg.B('Check'), sg.B('Hint'), sg.B('New Game'), sg.T('Mask rate (0-1)'), sg.In(str(mask_rate), size=(3,1),key='-RATE-')],], finalize=True)

    # create and display a puzzle by updating the Input elements

    puzzle, solution = create_and_show_puzzle(window)
    check_showing = False
    while True:         # The Event Loop
        event, values = window.read()
        if event == sg.WIN_CLOSED:
            break

        if event == 'Solve':
            for r, row in enumerate(solution):
                for c, col in enumerate(row):
                    window[r, c].update(solution[r][c], background_color=sg.theme_input_background_color())
        elif event == 'Check':
            check_showing = True
            solved = check_progress(window, solution)
            if solved:
                sg.popup('Solved! You have solved the puzzle correctly.')
        elif event == 'Hint':
            elem = window.find_element_with_focus()
            try:
                elem.update(solution[elem.Key[0]][elem.Key[1]], background_color=sg.theme_input_background_color())
            except:
                pass        # Likely because an input element didn't have focus
        elif event == 'New Game':
            puzzle, solution = create_and_show_puzzle(window)
        elif check_showing:      # an input was changed, so clear any background colors from prior hints
            check_showing = False
            for r, row in enumerate(solution):
                for c, col in enumerate(row):
                    window[r, c].update(background_color=sg.theme_input_background_color())
    window.close()

if __name__ == "__main__":
    DEFAULT_MASK_RATE = 0.7     # % Of cells to hide