class Main:
""" The Main class is responsable for loading the user interface from the
UI_FILE using Glade and connecting the actions to all the respective
callback. """
UI_FILE = 'window.glade'
DEFAULT_GRID_SIZE = 5
MAX_GRID_SIZE = 10
MIN_GRID_SIZE = 1
def action_solve_callback(self, action):
""" Callback connected to action-solve, invoked when the solve button is
toggled. """
active = self.togglebutton_solve.get_active()
self.grid.set_solve(active)
def action_scramble_callback(self, action):
""" Callback connected to action-scramble, invoked when the scramble
button is clicked. """
# just forward the call to the grid
self.grid.scramble()
def action_clear_callback(self, action):
""" Callback connected to action-clear, invoked when the clear button is
clicked. """
# Note that resetting all the button to the off status might be a
# better solution than creating a new Grid object
self.box.remove(self.grid)
self.grid = Grid(self.grid_size)
active = self.togglebutton_solve.get_active()
self.grid.set_solve(active)
self.grid.show_all()
self.box.add(self.grid)
def action_expand_callback(self, action):
""" Callback connected to action-expand, invoked when the expand button
is clicked. """
self.grid_size += 1
self.box.remove(self.grid)
self.grid = Grid(self.grid_size)
active = self.togglebutton_solve.get_active()
self.grid.set_solve(active)
self.grid.show_all()
self.box.add(self.grid)
self.button_contract.set_sensitive(True)
if self.grid_size == self.MAX_GRID_SIZE:
self.button_expand.set_sensitive(False)
def action_contract_callback(self, action):
""" Callback connected to action-contract, invoked when the contract
button is clicked. """
self.grid_size -= 1
self.box.remove(self.grid)
self.grid = Grid(self.grid_size)
active = self.togglebutton_solve.get_active()
self.grid.set_solve(active)
self.grid.show_all()
self.box.add(self.grid)
self.button_expand.set_sensitive(True)
if self.grid_size == self.MIN_GRID_SIZE:
self.button_contract.set_sensitive(False)
def __init__(self):
self.grid_size = self.DEFAULT_GRID_SIZE
builder = Gtk.Builder()
builder.add_from_file(self.UI_FILE)
self.togglebutton_solve = builder.get_object('togglebutton-solve')
self.button_expand = builder.get_object('button-expand')
self.button_contract = builder.get_object('button-contract')
self.box = builder.get_object('box')
self.grid = Grid(self.grid_size)
self.box.add(self.grid)
action_solve = builder.get_object('action-solve')
action_solve.connect('activate', self.action_solve_callback)
action_scramble = builder.get_object('action-scramble')
action_scramble.connect('activate', self.action_scramble_callback)
action_clear = builder.get_object('action-clear')
action_clear.connect('activate', self.action_clear_callback)
action_expand = builder.get_object('action-expand')
action_expand.connect('activate', self.action_expand_callback)
action_contract = builder.get_object('action-contract')
action_contract.connect('activate', self.action_contract_callback)
window = builder.get_object('window')
window.connect_after('destroy', Gtk.main_quit)
window.show_all()
window.set_size_request(400, 400)
Gtk.main()
#!/usr/bin/python
try:
from gi.repository import Gtk, Gdk
except ImportError:
raise Exception('unable to import required module')
from grid import Grid
grid = Grid()
grid.connect('delete-event', Gtk.main_quit)
grid.show_all()
Gtk.main()
