| 1 | #!/usr/bin/env python
|
|---|
| 2 | import sys
|
|---|
| 3 | import os
|
|---|
| 4 |
|
|---|
| 5 | from Tkinter import *
|
|---|
| 6 | from idlelib.Percolator import Percolator
|
|---|
| 7 | from idlelib.ColorDelegator import ColorDelegator
|
|---|
| 8 | from idlelib.textView import TextViewer
|
|---|
| 9 |
|
|---|
| 10 | import turtle
|
|---|
| 11 | import time
|
|---|
| 12 |
|
|---|
| 13 | STARTUP = 1
|
|---|
| 14 | READY = 2
|
|---|
| 15 | RUNNING = 3
|
|---|
| 16 | DONE = 4
|
|---|
| 17 | EVENTDRIVEN = 5
|
|---|
| 18 |
|
|---|
| 19 | menufont = ("Arial", 12, NORMAL)
|
|---|
| 20 | btnfont = ("Arial", 12, 'bold')
|
|---|
| 21 | txtfont = ('Lucida Console', 8, 'normal')
|
|---|
| 22 |
|
|---|
| 23 | def getExampleEntries():
|
|---|
| 24 | cwd = os.getcwd()
|
|---|
| 25 | if "turtleDemo.py" not in os.listdir(cwd):
|
|---|
| 26 | print "Directory of turtleDemo must be current working directory!"
|
|---|
| 27 | print "But in your case this is", cwd
|
|---|
| 28 | sys.exit()
|
|---|
| 29 | entries1 = [entry for entry in os.listdir(cwd) if
|
|---|
| 30 | entry.startswith("tdemo_") and
|
|---|
| 31 | not entry.endswith(".pyc")]
|
|---|
| 32 | entries2 = []
|
|---|
| 33 | for entry in entries1:
|
|---|
| 34 | if entry.endswith(".py"):
|
|---|
| 35 | entries2.append(entry)
|
|---|
| 36 | else:
|
|---|
| 37 | path = os.path.join(cwd,entry)
|
|---|
| 38 | sys.path.append(path)
|
|---|
| 39 | subdir = [entry]
|
|---|
| 40 | scripts = [script for script in os.listdir(path) if
|
|---|
| 41 | script.startswith("tdemo_") and
|
|---|
| 42 | script.endswith(".py")]
|
|---|
| 43 | entries2.append(subdir+scripts)
|
|---|
| 44 | return entries2
|
|---|
| 45 |
|
|---|
| 46 | def showDemoHelp():
|
|---|
| 47 | TextViewer(demo.root, "Help on turtleDemo", "demohelp.txt")
|
|---|
| 48 |
|
|---|
| 49 | def showAboutDemo():
|
|---|
| 50 | TextViewer(demo.root, "About turtleDemo", "about_turtledemo.txt")
|
|---|
| 51 |
|
|---|
| 52 | def showAboutTurtle():
|
|---|
| 53 | TextViewer(demo.root, "About the new turtle module", "about_turtle.txt")
|
|---|
| 54 |
|
|---|
| 55 | class DemoWindow(object):
|
|---|
| 56 |
|
|---|
| 57 | def __init__(self, filename=None): #, root=None):
|
|---|
| 58 | self.root = root = turtle._root = Tk()
|
|---|
| 59 | root.wm_protocol("WM_DELETE_WINDOW", self._destroy)
|
|---|
| 60 |
|
|---|
| 61 | #################
|
|---|
| 62 | self.mBar = Frame(root, relief=RAISED, borderwidth=2)
|
|---|
| 63 | self.mBar.pack(fill=X)
|
|---|
| 64 |
|
|---|
| 65 | self.ExamplesBtn = self.makeLoadDemoMenu()
|
|---|
| 66 | self.OptionsBtn = self.makeHelpMenu()
|
|---|
| 67 | self.mBar.tk_menuBar(self.ExamplesBtn, self.OptionsBtn) #, QuitBtn)
|
|---|
| 68 |
|
|---|
| 69 | root.title('Python turtle-graphics examples')
|
|---|
| 70 | #################
|
|---|
| 71 | self.left_frame = left_frame = Frame(root)
|
|---|
| 72 | self.text_frame = text_frame = Frame(left_frame)
|
|---|
| 73 | self.vbar = vbar =Scrollbar(text_frame, name='vbar')
|
|---|
| 74 | self.text = text = Text(text_frame,
|
|---|
| 75 | name='text', padx=5, wrap='none',
|
|---|
| 76 | width=45)
|
|---|
| 77 | vbar['command'] = text.yview
|
|---|
| 78 | vbar.pack(side=LEFT, fill=Y)
|
|---|
| 79 | #####################
|
|---|
| 80 | self.hbar = hbar =Scrollbar(text_frame, name='hbar', orient=HORIZONTAL)
|
|---|
| 81 | hbar['command'] = text.xview
|
|---|
| 82 | hbar.pack(side=BOTTOM, fill=X)
|
|---|
| 83 | #####################
|
|---|
| 84 | text['yscrollcommand'] = vbar.set
|
|---|
| 85 | text.config(font=txtfont)
|
|---|
| 86 | text.config(xscrollcommand=hbar.set)
|
|---|
| 87 | text.pack(side=LEFT, fill=Y, expand=1)
|
|---|
| 88 | #####################
|
|---|
| 89 | self.output_lbl = Label(left_frame, height= 1,text=" --- ", bg = "#ddf",
|
|---|
| 90 | font = ("Arial", 16, 'normal'))
|
|---|
| 91 | self.output_lbl.pack(side=BOTTOM, expand=0, fill=X)
|
|---|
| 92 | #####################
|
|---|
| 93 | text_frame.pack(side=LEFT, fill=BOTH, expand=0)
|
|---|
| 94 | left_frame.pack(side=LEFT, fill=BOTH, expand=0)
|
|---|
| 95 | self.graph_frame = g_frame = Frame(root)
|
|---|
| 96 |
|
|---|
| 97 | turtle._Screen._root = g_frame
|
|---|
| 98 | turtle._Screen._canvas = turtle.ScrolledCanvas(g_frame, 800, 600, 1000, 800)
|
|---|
| 99 | #xturtle.Screen._canvas.pack(expand=1, fill="both")
|
|---|
| 100 | self.screen = _s_ = turtle.Screen()
|
|---|
| 101 | turtle.TurtleScreen.__init__(_s_, _s_._canvas)
|
|---|
| 102 | self.scanvas = _s_._canvas
|
|---|
| 103 | #xturtle.RawTurtle.canvases = [self.scanvas]
|
|---|
| 104 | turtle.RawTurtle.screens = [_s_]
|
|---|
| 105 |
|
|---|
| 106 | self.scanvas.pack(side=TOP, fill=BOTH, expand=1)
|
|---|
| 107 |
|
|---|
| 108 | self.btn_frame = btn_frame = Frame(g_frame, height=100)
|
|---|
| 109 | self.start_btn = Button(btn_frame, text=" START ", font=btnfont, fg = "white",
|
|---|
| 110 | disabledforeground = "#fed", command=self.startDemo)
|
|---|
| 111 | self.start_btn.pack(side=LEFT, fill=X, expand=1)
|
|---|
| 112 | self.stop_btn = Button(btn_frame, text=" STOP ", font=btnfont, fg = "white",
|
|---|
| 113 | disabledforeground = "#fed", command = self.stopIt)
|
|---|
| 114 | self.stop_btn.pack(side=LEFT, fill=X, expand=1)
|
|---|
| 115 | self.clear_btn = Button(btn_frame, text=" CLEAR ", font=btnfont, fg = "white",
|
|---|
| 116 | disabledforeground = "#fed", command = self.clearCanvas)
|
|---|
| 117 | self.clear_btn.pack(side=LEFT, fill=X, expand=1)
|
|---|
| 118 |
|
|---|
| 119 | self.btn_frame.pack(side=TOP, fill=BOTH, expand=0)
|
|---|
| 120 | self.graph_frame.pack(side=TOP, fill=BOTH, expand=1)
|
|---|
| 121 |
|
|---|
| 122 | Percolator(text).insertfilter(ColorDelegator())
|
|---|
| 123 | self.dirty = False
|
|---|
| 124 | self.exitflag = False
|
|---|
| 125 | if filename:
|
|---|
| 126 | self.loadfile(filename)
|
|---|
| 127 | self.configGUI(NORMAL, DISABLED, DISABLED, DISABLED,
|
|---|
| 128 | "Choose example from menu", "black")
|
|---|
| 129 | self.state = STARTUP
|
|---|
| 130 |
|
|---|
| 131 | def _destroy(self):
|
|---|
| 132 | self.root.destroy()
|
|---|
| 133 | sys.exit()
|
|---|
| 134 |
|
|---|
| 135 | def configGUI(self, menu, start, stop, clear, txt="", color="blue"):
|
|---|
| 136 | self.ExamplesBtn.config(state=menu)
|
|---|
| 137 |
|
|---|
| 138 | self.start_btn.config(state=start)
|
|---|
| 139 | if start==NORMAL:
|
|---|
| 140 | self.start_btn.config(bg="#d00")
|
|---|
| 141 | else:
|
|---|
| 142 | self.start_btn.config(bg="#fca")
|
|---|
| 143 |
|
|---|
| 144 | self.stop_btn.config(state=stop)
|
|---|
| 145 | if stop==NORMAL:
|
|---|
| 146 | self.stop_btn.config(bg="#d00")
|
|---|
| 147 | else:
|
|---|
| 148 | self.stop_btn.config(bg="#fca")
|
|---|
| 149 | self.clear_btn.config(state=clear)
|
|---|
| 150 |
|
|---|
| 151 | self.clear_btn.config(state=clear)
|
|---|
| 152 | if clear==NORMAL:
|
|---|
| 153 | self.clear_btn.config(bg="#d00")
|
|---|
| 154 | else:
|
|---|
| 155 | self.clear_btn.config(bg="#fca")
|
|---|
| 156 |
|
|---|
| 157 | self.output_lbl.config(text=txt, fg=color)
|
|---|
| 158 |
|
|---|
| 159 |
|
|---|
| 160 | def makeLoadDemoMenu(self):
|
|---|
| 161 | CmdBtn = Menubutton(self.mBar, text='Examples', underline=0, font=menufont)
|
|---|
| 162 | CmdBtn.pack(side=LEFT, padx="2m")
|
|---|
| 163 | CmdBtn.menu = Menu(CmdBtn)
|
|---|
| 164 |
|
|---|
| 165 | for entry in getExampleEntries():
|
|---|
| 166 | def loadexample(x):
|
|---|
| 167 | def emit():
|
|---|
| 168 | self.loadfile(x)
|
|---|
| 169 | return emit
|
|---|
| 170 | if isinstance(entry,str):
|
|---|
| 171 | CmdBtn.menu.add_command(label=entry[6:-3], underline=0, font=menufont,
|
|---|
| 172 | command=loadexample(entry))
|
|---|
| 173 | else:
|
|---|
| 174 | _dir, entries = entry[0], entry[1:]
|
|---|
| 175 | CmdBtn.menu.choices = Menu(CmdBtn.menu)
|
|---|
| 176 | for e in entries:
|
|---|
| 177 | CmdBtn.menu.choices.add_command(label=e[6:-3], underline=0, font=menufont,
|
|---|
| 178 | command = loadexample(os.path.join(_dir,e)))
|
|---|
| 179 |
|
|---|
| 180 | CmdBtn.menu.add_cascade(label=_dir[6:],
|
|---|
| 181 | menu = CmdBtn.menu.choices, font=menufont )
|
|---|
| 182 |
|
|---|
| 183 | CmdBtn['menu'] = CmdBtn.menu
|
|---|
| 184 | return CmdBtn
|
|---|
| 185 |
|
|---|
| 186 |
|
|---|
| 187 | def makeHelpMenu(self):
|
|---|
| 188 | CmdBtn = Menubutton(self.mBar, text='Help', underline=0, font = menufont)
|
|---|
| 189 | CmdBtn.pack(side=LEFT, padx='2m')
|
|---|
| 190 | CmdBtn.menu = Menu(CmdBtn)
|
|---|
| 191 |
|
|---|
| 192 | CmdBtn.menu.add_command(label='About turtle.py', font=menufont, command=showAboutTurtle)
|
|---|
| 193 | CmdBtn.menu.add_command(label='turtleDemo - Help', font=menufont, command=showDemoHelp)
|
|---|
| 194 | CmdBtn.menu.add_command(label='About turtleDemo', font=menufont, command=showAboutDemo)
|
|---|
| 195 |
|
|---|
| 196 | CmdBtn['menu'] = CmdBtn.menu
|
|---|
| 197 | return CmdBtn
|
|---|
| 198 |
|
|---|
| 199 | def refreshCanvas(self):
|
|---|
| 200 | if not self.dirty: return
|
|---|
| 201 | self.screen.clear()
|
|---|
| 202 | #self.screen.mode("standard")
|
|---|
| 203 | self.dirty=False
|
|---|
| 204 |
|
|---|
| 205 | def loadfile(self,filename):
|
|---|
| 206 | self.refreshCanvas()
|
|---|
| 207 | if os.path.exists(filename) and not os.path.isdir(filename):
|
|---|
| 208 | # load and display file text
|
|---|
| 209 | f = open(filename,'r')
|
|---|
| 210 | chars = f.read()
|
|---|
| 211 | f.close()
|
|---|
| 212 | self.text.delete("1.0", "end")
|
|---|
| 213 | self.text.insert("1.0",chars)
|
|---|
| 214 | direc, fname = os.path.split(filename)
|
|---|
| 215 | self.root.title(fname[6:-3]+" - a Python turtle graphics example")
|
|---|
| 216 | self.module = __import__(fname[:-3])
|
|---|
| 217 | reload(self.module)
|
|---|
| 218 | self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED,
|
|---|
| 219 | "Press start button", "red")
|
|---|
| 220 | self.state = READY
|
|---|
| 221 |
|
|---|
| 222 | def startDemo(self):
|
|---|
| 223 | self.refreshCanvas()
|
|---|
| 224 | self.dirty = True
|
|---|
| 225 | turtle.TurtleScreen._RUNNING = True
|
|---|
| 226 | self.configGUI(DISABLED, DISABLED, NORMAL, DISABLED,
|
|---|
| 227 | "demo running...", "black")
|
|---|
| 228 | self.screen.clear()
|
|---|
| 229 | self.screen.mode("standard")
|
|---|
| 230 | self.state = RUNNING
|
|---|
| 231 |
|
|---|
| 232 | try:
|
|---|
| 233 | result = self.module.main()
|
|---|
| 234 | if result == "EVENTLOOP":
|
|---|
| 235 | self.state = EVENTDRIVEN
|
|---|
| 236 | else:
|
|---|
| 237 | self.state = DONE
|
|---|
| 238 | except turtle.Terminator:
|
|---|
| 239 | self.state = DONE
|
|---|
| 240 | result = "stopped!"
|
|---|
| 241 | if self.state == DONE:
|
|---|
| 242 | self.configGUI(NORMAL, NORMAL, DISABLED, NORMAL,
|
|---|
| 243 | result)
|
|---|
| 244 | elif self.state == EVENTDRIVEN:
|
|---|
| 245 | self.exitflag = True
|
|---|
| 246 | self.configGUI(DISABLED, DISABLED, NORMAL, DISABLED,
|
|---|
| 247 | "use mouse/keys or STOP", "red")
|
|---|
| 248 |
|
|---|
| 249 | def clearCanvas(self):
|
|---|
| 250 | self.refreshCanvas()
|
|---|
| 251 | self.scanvas.config(cursor="")
|
|---|
| 252 | self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED)
|
|---|
| 253 |
|
|---|
| 254 | def stopIt(self):
|
|---|
| 255 | if self.exitflag:
|
|---|
| 256 | self.clearCanvas()
|
|---|
| 257 | self.exitflag = False
|
|---|
| 258 | self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED,
|
|---|
| 259 | "STOPPED!", "red")
|
|---|
| 260 | turtle.TurtleScreen._RUNNING = False
|
|---|
| 261 | #print "stopIT: exitflag = True"
|
|---|
| 262 | else:
|
|---|
| 263 | turtle.TurtleScreen._RUNNING = False
|
|---|
| 264 | #print "stopIt: exitflag = False"
|
|---|
| 265 |
|
|---|
| 266 | if __name__ == '__main__':
|
|---|
| 267 | demo = DemoWindow()
|
|---|
| 268 | RUN = True
|
|---|
| 269 | while RUN:
|
|---|
| 270 | try:
|
|---|
| 271 | print "ENTERING mainloop"
|
|---|
| 272 | demo.root.mainloop()
|
|---|
| 273 | except AttributeError:
|
|---|
| 274 | print "CRASH!!!- WAIT A MOMENT!"
|
|---|
| 275 | time.sleep(0.3)
|
|---|
| 276 | print "GOING ON .."
|
|---|
| 277 | demo.refreshCanvas()
|
|---|
| 278 | ## time.sleep(1)
|
|---|
| 279 | except:
|
|---|
| 280 | RUN = FALSE
|
|---|
