def on_New_activate (self, widget, data = None):
self.model = SnakeModel (self, 20, 30)
self.model.start ()
class MySnake:
def __init__ (self):
# general init and connect
self.gladefile = "mysnake.glade"
self.wTree = gtk.glade.XML (self.gladefile)
self.callback_dict = {"on_New_activate" : self.on_New_activate,
"on_Pause_activate" : self.on_Pause_activate,
"on_Stop_activate" : self.on_Stop_activate,
"on_About_activate" : self.on_About_activate,
"key_press_event" : self.key_press_event,
"gtk_main_quit" : gtk.main_quit}
self.wTree.signal_autoconnect (self.callback_dict)
self.MainWindow = self.wTree.get_widget ("MainWindow")
self.AboutDialog = self.wTree.get_widget ("AboutDialog")
self.GameArea = self.wTree.get_widget ("GameArea")
self.ScoreLabel = self.wTree.get_widget ("ScoreLabel")
self.CountLabel = self.wTree.get_widget ("CountLabel")
# main loop
gtk.main ()
# callbacks
def on_New_activate (self, widget, data = None):
self.model = SnakeModel (self, 20, 30)
self.model.start ()
def on_Pause_activate (self, widget, data = None):
self.model.pause ()
def on_Stop_activate (self, widget, data = None):
self.model.stop ()
def on_About_activate (self, widget, data = None):
self.AboutDialog.run ()
self.AboutDialog.hide ()
# keybindings
def key_press_event (self, widget, event, data = None):
keydict = {
UP : "changedirection",
DOWN : "changedirection",
LEFT : "changedirection",
RIGHT : "changedirection",
PGUP : "changespeed",
PGDOWN : "changespeed",
SPACE : "pause"}
key = event.keyval
if key in keydict.keys() and hasattr (self, "model"):
getattr (self.model, keydict [key]) (key)
def game_over (self):
"show game over dialog"
GameOverDialog = gtk.MessageDialog (self.MainWindow,
gtk.DIALOG_MODAL,
gtk.MESSAGE_INFO,
gtk.BUTTONS_CLOSE,
"Your score is " + str (self.model.score))
GameOverDialog.set_modal (True)
GameOverDialog.show ()
GameOverDialog.connect ("response", self.hide_dialog)
def hide_dialog (self, widget, data = None):
"hide game over dialog when closing"
widget.hide ()
def updatescore (self):
"update ScoreLabel and CountLabel when repaint"
self.ScoreLabel.set_text ("Score : " + str (self.model.score))
self.CountLabel.set_text ("MoveCount : " + str (self.model.countMove))
def repaint (self):
# get ready for painting
canvas = self.GameArea.window
gc = self.GameArea.get_style ().fg_gc [gtk.STATE_NORMAL]
cmap = self.GameArea.get_colormap ()
# allocate a color
color = cmap.alloc_color ("white")
# set it as foreground color
gc.set_foreground (color)
# draw a rectangle (as background)
canvas.draw_rectangle (gc, True, 0, 0, 200, 300)
# draw food
color = cmap.alloc_color ("red")
gc.set_foreground (color)
x, y = self.model.food
canvas.draw_rectangle (gc, True, x * 10, y * 10, 10, 10)
# draw snake
color = cmap.alloc_color ("black")
gc.set_foreground (color)
for (x, y) in self.model.nodes:
canvas.draw_rectangle (gc, True, x * 10, y * 10, 10, 10)
# update score
self.updatescore ()
