267 lines
9.1 KiB
Python
Executable File
267 lines
9.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import sys
|
|
import os
|
|
|
|
from tkinter import *
|
|
from idlelib.Percolator import Percolator
|
|
from idlelib.ColorDelegator import ColorDelegator
|
|
from idlelib.textView import view_file # TextViewer
|
|
from imp import reload
|
|
|
|
import turtle
|
|
import time
|
|
|
|
demo_dir = os.path.dirname(os.path.abspath(__file__))
|
|
|
|
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():
|
|
return [entry[:-3] for entry in os.listdir(demo_dir) if
|
|
entry.endswith(".py") and entry[0] != '_']
|
|
|
|
def showDemoHelp():
|
|
view_file(demo.root, "Help on turtleDemo",
|
|
os.path.join(demo_dir, "demohelp.txt"))
|
|
|
|
def showAboutDemo():
|
|
view_file(demo.root, "About turtleDemo",
|
|
os.path.join(demo_dir, "about_turtledemo.txt"))
|
|
|
|
def showAboutTurtle():
|
|
view_file(demo.root, "About the new turtle module.",
|
|
os.path.join(demo_dir, "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
|
|
CmdBtn.menu.add_command(label=entry, underline=0,
|
|
font=menufont, command=loadexample(entry))
|
|
|
|
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()
|
|
modname = 'turtledemo.' + filename
|
|
__import__(modname)
|
|
self.module = sys.modules[modname]
|
|
with open(self.module.__file__, 'r') as f:
|
|
chars = f.read()
|
|
self.text.delete("1.0", "end")
|
|
self.text.insert("1.0", chars)
|
|
self.root.title(filename + " - a Python turtle graphics example")
|
|
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.screen._delete("all")
|
|
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("AttributeError!- WAIT A MOMENT!")
|
|
time.sleep(0.3)
|
|
print("GOING ON ..")
|
|
demo.ckearCanvas()
|
|
except TypeError:
|
|
demo.screen._delete("all")
|
|
#print("CRASH!!!- WAIT A MOMENT!")
|
|
time.sleep(0.3)
|
|
#print("GOING ON ..")
|
|
demo.clearCanvas()
|
|
except:
|
|
print("BYE!")
|
|
RUN = False
|