class LifeGame(Tk.Frame):
"""Lifegame widget
"""
def __init__(self, master=None,
view_size=(256, 256), cell_size=(16, 16), map_size=(16, 16)):
"""
Arguments:
master -- parent widget
view_size -- pixel count for viewport
cell_size -- pixel count for draw cell
map_size -- cell count for cellmap
"""
self.cell_width = cell_size[0]
self.cell_height = cell_size[1]
self.map_width = map_size[0]
self.map_height = map_size[1]
view_width = view_size[0]
view_height = view_size[1]
Tk.Frame.__init__(self, master)
self.pack()
self.master.title("LifeGame")
self.cm = CellMap(self.map_width, self.map_height)
self.buffer = []
self.anime = False
self.wait = 200
self.button_down = False
self.drag = False
canvas_width = self.map_width * self.cell_width
canvas_height = self.map_height * self.cell_height
self.canvas = Tk.Canvas(self,
borderwidth=2,
background='#ddd',
width=view_width,
height=view_height,
scrollregion=(0, 0,
canvas_width + 1,
canvas_height + 1))
self.vscroll = Tk.Scrollbar(self,
command=self.canvas.yview,
orient=Tk.VERTICAL)
self.hscroll = Tk.Scrollbar(self,
command=self.canvas.xview,
orient=Tk.HORIZONTAL)
self.canvas["xscrollcommand"] = self.hscroll.set
self.canvas["yscrollcommand"] = self.vscroll.set
self.canvas.bind("<Button-1>", self.cmd_press)
self.canvas.bind("<ButtonRelease-1>", self.cmd_release)
self.canvas.bind("<Motion>", self.cmd_motion)
ctrl_panel = Tk.Frame(self)
bt_start = Tk.Button(ctrl_panel, text="start", command=self.cmd_start)
bt_stop = Tk.Button(ctrl_panel, text="stop", command=self.cmd_stop)
bt_next = Tk.Button(ctrl_panel, text="next", command=self.cmd_next)
bt_reset = Tk.Button(ctrl_panel, text="reset", command=self.cmd_reset)
bt_quit = Tk.Button(ctrl_panel, text="quit", command=self.cmd_quit)
bt_start.grid(row=0, column=0)
bt_stop.grid(row=0, column=1)
bt_next.grid(row=0, column=2)
bt_reset.grid(row=0, column=3)
bt_quit.grid(row=0, column=4)
self.canvas.grid(row=0, column=0)
self.vscroll.grid(row=0, column=1, sticky=Tk.N + Tk.S)
self.hscroll.grid(row=1, column=0, sticky=Tk.E + Tk.W)
ctrl_panel.grid(row=2)
for y in range(0, canvas_height, self.cell_height):
self.canvas.create_rectangle(
0,
y,
canvas_width,
y + self.cell_height,
outline='#888')
for x in range(0, canvas_width, self.cell_width):
self.canvas.create_rectangle(
x,
0,
x + self.cell_width,
canvas_height,
outline='#888')
def clear(self):
"""Clear cellmap
"""
self.cm.set_all(False)
def put(self, ox, oy, pattern):
"""Set pattern on cellmap
Arguments:
ox -- offset coddinate
oy -- offset coodinate
pattern -- postion list
"""
for (cx, cy) in pattern:
self.cm.set_alive(cx + ox, cy + oy, True)
def push(self):
"""Save current cellmap to buffer
"""
self.buffer = self.cm.get_positions()
def pop(self):
"""Restore cellmap from buffer
"""
self.clear()
self.cm.set_positions(self.buffer)
def redraw(self):
"""Redraw cellmap
"""
tag = 'life'
self.canvas.delete(tag)
for ty in range(self.cm.height):
for tx in range(self.cm.width):
cell = self.cm.get(tx, ty)
if cell.is_alive():
x1 = tx * self.cell_width + 1
y1 = ty * self.cell_height + 1
x2 = (tx + 1) * self.cell_width - 1
y2 = (ty + 1) * self.cell_height - 1
self.canvas.create_rectangle(
x1, y1, x2, y2, fill='#444', tags=tag)
def nextlife(self):
"""Shows next generation.
"""
self.cm.change_next()
self.redraw()
def interval(self):
"""Change generation automatically.
"""
if self.anime:
self.nextlife()
self.after(self.wait, self.interval)
#
# Handlers
#
def cmd_press(self, event):
"""Handler: mouse press
"""
self.button_down = True
self.drag = False
self.canvas.scan_mark(event.x, event.y)
def cmd_release(self, event):
"""Handler: mouse release
"""
self.button_down = False
if self.drag:
pass
else:
x = int(self.canvas.canvasx(event.x) // self.cell_width)
y = int(self.canvas.canvasy(event.y) // self.cell_height)
alive = self.cm.get(x, y).is_alive()
self.cm.set_alive(x, y, not alive)
self.redraw()
self.drag = False
def cmd_motion(self, event):
"""Handler: mouse move
"""
if self.button_down:
self.drag = True
self.canvas.scan_dragto(event.x, event.y, 1)
def cmd_start(self):
"""Handler: start button
"""
if not self.anime:
self.anime = True
self.interval()
def cmd_stop(self):
"""Handler: stop button
"""
self.anime = False
def cmd_next(self):
"""Handler: next button
"""
self.anime = False
self.nextlife()
def cmd_reset(self):
"""Handler: reset button
"""
self.anime = False
self.pop()
self.redraw()
def cmd_quit(self):
"""Handler: quit button
"""
self.anime = False
self.master.destroy()
def __init__(self, master=None,
view_size=(256, 256), cell_size=(16, 16), map_size=(16, 16)):
"""
Arguments:
master -- parent widget
view_size -- pixel count for viewport
cell_size -- pixel count for draw cell
map_size -- cell count for cellmap
"""
self.cell_width = cell_size[0]
self.cell_height = cell_size[1]
self.map_width = map_size[0]
self.map_height = map_size[1]
view_width = view_size[0]
view_height = view_size[1]
Tk.Frame.__init__(self, master)
self.pack()
self.master.title("LifeGame")
self.cm = CellMap(self.map_width, self.map_height)
self.buffer = []
self.anime = False
self.wait = 200
self.button_down = False
self.drag = False
canvas_width = self.map_width * self.cell_width
canvas_height = self.map_height * self.cell_height
self.canvas = Tk.Canvas(self,
borderwidth=2,
background='#ddd',
width=view_width,
height=view_height,
scrollregion=(0, 0,
canvas_width + 1,
canvas_height + 1))
self.vscroll = Tk.Scrollbar(self,
command=self.canvas.yview,
orient=Tk.VERTICAL)
self.hscroll = Tk.Scrollbar(self,
command=self.canvas.xview,
orient=Tk.HORIZONTAL)
self.canvas["xscrollcommand"] = self.hscroll.set
self.canvas["yscrollcommand"] = self.vscroll.set
self.canvas.bind("<Button-1>", self.cmd_press)
self.canvas.bind("<ButtonRelease-1>", self.cmd_release)
self.canvas.bind("<Motion>", self.cmd_motion)
ctrl_panel = Tk.Frame(self)
bt_start = Tk.Button(ctrl_panel, text="start", command=self.cmd_start)
bt_stop = Tk.Button(ctrl_panel, text="stop", command=self.cmd_stop)
bt_next = Tk.Button(ctrl_panel, text="next", command=self.cmd_next)
bt_reset = Tk.Button(ctrl_panel, text="reset", command=self.cmd_reset)
bt_quit = Tk.Button(ctrl_panel, text="quit", command=self.cmd_quit)
bt_start.grid(row=0, column=0)
bt_stop.grid(row=0, column=1)
bt_next.grid(row=0, column=2)
bt_reset.grid(row=0, column=3)
bt_quit.grid(row=0, column=4)
self.canvas.grid(row=0, column=0)
self.vscroll.grid(row=0, column=1, sticky=Tk.N + Tk.S)
self.hscroll.grid(row=1, column=0, sticky=Tk.E + Tk.W)
ctrl_panel.grid(row=2)
for y in range(0, canvas_height, self.cell_height):
self.canvas.create_rectangle(
0,
y,
canvas_width,
y + self.cell_height,
outline='#888')
for x in range(0, canvas_width, self.cell_width):
self.canvas.create_rectangle(
x,
0,
x + self.cell_width,
canvas_height,
outline='#888')
