| Current Path : /usr/lib64/python2.6/Demo/turtle/ |
| Current File : //usr/lib64/python2.6/Demo/turtle/turtleDemo.py |
import sys
import os
from Tkinter import *
from idlelib.Percolator import Percolator
from idlelib.ColorDelegator import ColorDelegator
from idlelib.textView import TextViewer
import turtle
import time
STARTUP = 1
READY = 2
RUNNING = 3
DONE = 4
EVENTDRIVEN = 5
menufont = ("Arial", 12, NORMAL)
btnfont = ("Arial", 12, 'bold')
txtfont = ('Lucida Console', 8, 'normal')
def getExampleEntries():
cwd = os.getcwd()
if "turtleDemo.py" not in os.listdir(cwd):
print "Directory of turtleDemo must be current working directory!"
print "But in your case this is", cwd
sys.exit()
entries1 = [entry for entry in os.listdir(cwd) if
entry.startswith("tdemo_") and
not entry.endswith(".pyc")]
entries2 = []
for entry in entries1:
if entry.endswith(".py"):
entries2.append(entry)
else:
path = os.path.join(cwd,entry)
sys.path.append(path)
subdir = [entry]
scripts = [script for script in os.listdir(path) if
script.startswith("tdemo_") and
script.endswith(".py")]
entries2.append(subdir+scripts)
return entries2
def showDemoHelp():
TextViewer(demo.root, "Help on turtleDemo", "demohelp.txt")
def showAboutDemo():
TextViewer(demo.root, "About turtleDemo", "about_turtledemo.txt")
def showAboutTurtle():
TextViewer(demo.root, "About the new turtle module", "about_turtle.txt")
class DemoWindow(object):
def __init__(self, filename=None): #, root=None):
self.root = root = turtle._root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", self._destroy)
#################
self.mBar = Frame(root, relief=RAISED, borderwidth=2)
self.mBar.pack(fill=X)
self.ExamplesBtn = self.makeLoadDemoMenu()
self.OptionsBtn = self.makeHelpMenu()
self.mBar.tk_menuBar(self.ExamplesBtn, self.OptionsBtn) #, QuitBtn)
root.title('Python turtle-graphics examples')
#################
self.left_frame = left_frame = Frame(root)
self.text_frame = text_frame = Frame(left_frame)
self.vbar = vbar =Scrollbar(text_frame, name='vbar')
self.text = text = Text(text_frame,
name='text', padx=5, wrap='none',
width=45)
vbar['command'] = text.yview
vbar.pack(side=LEFT, fill=Y)
#####################
self.hbar = hbar =Scrollbar(text_frame, name='hbar', orient=HORIZONTAL)
hbar['command'] = text.xview
hbar.pack(side=BOTTOM, fill=X)
#####################
text['yscrollcommand'] = vbar.set
text.config(font=txtfont)
text.config(xscrollcommand=hbar.set)
text.pack(side=LEFT, fill=Y, expand=1)
#####################
self.output_lbl = Label(left_frame, height= 1,text=" --- ", bg = "#ddf",
font = ("Arial", 16, 'normal'))
self.output_lbl.pack(side=BOTTOM, expand=0, fill=X)
#####################
text_frame.pack(side=LEFT, fill=BOTH, expand=0)
left_frame.pack(side=LEFT, fill=BOTH, expand=0)
self.graph_frame = g_frame = Frame(root)
turtle._Screen._root = g_frame
turtle._Screen._canvas = turtle.ScrolledCanvas(g_frame, 800, 600, 1000, 800)
#xturtle.Screen._canvas.pack(expand=1, fill="both")
self.screen = _s_ = turtle.Screen()
turtle.TurtleScreen.__init__(_s_, _s_._canvas)
self.scanvas = _s_._canvas
#xturtle.RawTurtle.canvases = [self.scanvas]
turtle.RawTurtle.screens = [_s_]
self.scanvas.pack(side=TOP, fill=BOTH, expand=1)
self.btn_frame = btn_frame = Frame(g_frame, height=100)
self.start_btn = Button(btn_frame, text=" START ", font=btnfont, fg = "white",
disabledforeground = "#fed", command=self.startDemo)
self.start_btn.pack(side=LEFT, fill=X, expand=1)
self.stop_btn = Button(btn_frame, text=" STOP ", font=btnfont, fg = "white",
disabledforeground = "#fed", command = self.stopIt)
self.stop_btn.pack(side=LEFT, fill=X, expand=1)
self.clear_btn = Button(btn_frame, text=" CLEAR ", font=btnfont, fg = "white",
disabledforeground = "#fed", command = self.clearCanvas)
self.clear_btn.pack(side=LEFT, fill=X, expand=1)
self.btn_frame.pack(side=TOP, fill=BOTH, expand=0)
self.graph_frame.pack(side=TOP, fill=BOTH, expand=1)
Percolator(text).insertfilter(ColorDelegator())
self.dirty = False
self.exitflag = False
if filename:
self.loadfile(filename)
self.configGUI(NORMAL, DISABLED, DISABLED, DISABLED,
"Choose example from menu", "black")
self.state = STARTUP
def _destroy(self):
self.root.destroy()
sys.exit()
def configGUI(self, menu, start, stop, clear, txt="", color="blue"):
self.ExamplesBtn.config(state=menu)
self.start_btn.config(state=start)
if start==NORMAL:
self.start_btn.config(bg="#d00")
else:
self.start_btn.config(bg="#fca")
self.stop_btn.config(state=stop)
if stop==NORMAL:
self.stop_btn.config(bg="#d00")
else:
self.stop_btn.config(bg="#fca")
self.clear_btn.config(state=clear)
self.clear_btn.config(state=clear)
if clear==NORMAL:
self.clear_btn.config(bg="#d00")
else:
self.clear_btn.config(bg="#fca")
self.output_lbl.config(text=txt, fg=color)
def makeLoadDemoMenu(self):
CmdBtn = Menubutton(self.mBar, text='Examples', underline=0, font=menufont)
CmdBtn.pack(side=LEFT, padx="2m")
CmdBtn.menu = Menu(CmdBtn)
for entry in getExampleEntries():
def loadexample(x):
def emit():
self.loadfile(x)
return emit
if isinstance(entry,str):
CmdBtn.menu.add_command(label=entry[6:-3], underline=0, font=menufont,
command=loadexample(entry))
else:
_dir, entries = entry[0], entry[1:]
CmdBtn.menu.choices = Menu(CmdBtn.menu)
for e in entries:
CmdBtn.menu.choices.add_command(label=e[6:-3], underline=0, font=menufont,
command = loadexample(os.path.join(_dir,e)))
CmdBtn.menu.add_cascade(label=_dir[6:],
menu = CmdBtn.menu.choices, font=menufont )
CmdBtn['menu'] = CmdBtn.menu
return CmdBtn
def makeHelpMenu(self):
CmdBtn = Menubutton(self.mBar, text='Help', underline=0, font = menufont)
CmdBtn.pack(side=LEFT, padx='2m')
CmdBtn.menu = Menu(CmdBtn)
CmdBtn.menu.add_command(label='About turtle.py', font=menufont, command=showAboutTurtle)
CmdBtn.menu.add_command(label='turtleDemo - Help', font=menufont, command=showDemoHelp)
CmdBtn.menu.add_command(label='About turtleDemo', font=menufont, command=showAboutDemo)
CmdBtn['menu'] = CmdBtn.menu
return CmdBtn
def refreshCanvas(self):
if not self.dirty: return
self.screen.clear()
#self.screen.mode("standard")
self.dirty=False
def loadfile(self,filename):
self.refreshCanvas()
if os.path.exists(filename) and not os.path.isdir(filename):
# load and display file text
f = open(filename,'r')
chars = f.read()
f.close()
self.text.delete("1.0", "end")
self.text.insert("1.0",chars)
direc, fname = os.path.split(filename)
self.root.title(fname[6:-3]+" - an xturtle example")
self.module = __import__(fname[:-3])
reload(self.module)
self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED,
"Press start button", "red")
self.state = READY
def startDemo(self):
self.refreshCanvas()
self.dirty = True
turtle.TurtleScreen._RUNNING = True
self.configGUI(DISABLED, DISABLED, NORMAL, DISABLED,
"demo running...", "black")
self.screen.clear()
self.screen.mode("standard")
self.state = RUNNING
try:
result = self.module.main()
if result == "EVENTLOOP":
self.state = EVENTDRIVEN
else:
self.state = DONE
except turtle.Terminator:
self.state = DONE
result = "stopped!"
if self.state == DONE:
self.configGUI(NORMAL, NORMAL, DISABLED, NORMAL,
result)
elif self.state == EVENTDRIVEN:
self.exitflag = True
self.configGUI(DISABLED, DISABLED, NORMAL, DISABLED,
"use mouse/keys or STOP", "red")
def clearCanvas(self):
self.refreshCanvas()
self.scanvas.config(cursor="")
self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED)
def stopIt(self):
if self.exitflag:
self.clearCanvas()
self.exitflag = False
self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED,
"STOPPED!", "red")
turtle.TurtleScreen._RUNNING = False
#print "stopIT: exitflag = True"
else:
turtle.TurtleScreen._RUNNING = False
#print "stopIt: exitflag = False"
if __name__ == '__main__':
demo = DemoWindow()
RUN = True
while RUN:
try:
print "ENTERING mainloop"
demo.root.mainloop()
except AttributeError:
print "CRASH!!!- WAIT A MOMENT!"
time.sleep(0.3)
print "GOING ON .."
demo.refreshCanvas()
## time.sleep(1)
except:
RUN = FALSE
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