diff options
| -rwxr-xr-x | Lib/turtledemo/__main__.py | 266 | ||||
| -rw-r--r-- | Lib/turtledemo/about_turtledemo.txt | 4 | ||||
| -rw-r--r-- | Lib/turtledemo/demohelp.txt | 7 |
3 files changed, 269 insertions, 8 deletions
diff --git a/Lib/turtledemo/__main__.py b/Lib/turtledemo/__main__.py new file mode 100755 index 0000000..cbf3aeb --- /dev/null +++ b/Lib/turtledemo/__main__.py @@ -0,0 +1,266 @@ +#!/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 diff --git a/Lib/turtledemo/about_turtledemo.txt b/Lib/turtledemo/about_turtledemo.txt index 54c25a5..a9009bd 100644 --- a/Lib/turtledemo/about_turtledemo.txt +++ b/Lib/turtledemo/about_turtledemo.txt @@ -1,9 +1,9 @@ -------------------------------------- - About turtleDemo.py + About this viewer -------------------------------------- - Tiny demo Viewer to view turtle graphics example scripts. + Tiny demo viewer to view turtle graphics example scripts. Quickly and dirtyly assembled by Gregor Lingl. June, 2006 diff --git a/Lib/turtledemo/demohelp.txt b/Lib/turtledemo/demohelp.txt index 5683875..fe83bc7 100644 --- a/Lib/turtledemo/demohelp.txt +++ b/Lib/turtledemo/demohelp.txt @@ -53,12 +53,7 @@ (2) How to add your own demos to the demo repository - - scriptname: must begin with tdemo_ , - so it must have the form tdemo_<your-script-name>.py - - - place: same directory as turtleDemo.py or some - subdirectory, the name of which must also begin with - tdemo_..... + - place: same directory as turtledemo/__main__.py - requirements on source code: code must contain a main() function which will |