| Guido van Rossum | 3b4ca0d | 1998-10-10 18:48:31 +0000 | [diff] [blame] | 1 | import os |
| 2 | import sys |
| 3 | from Tkinter import * |
| 4 | |
| 5 | |
| 6 | class HelpWindow: |
| 7 | |
| 8 | helpfile = "help.txt" |
| 9 | helptitle = "Help Window" |
| 10 | |
| 11 | def __init__(self, root=None): |
| 12 | if not root: |
| 13 | import Tkinter |
| 14 | root = Tkinter._default_root |
| 15 | if root: |
| 16 | self.top = top = Toplevel(root) |
| 17 | else: |
| 18 | self.top = top = root = Tk() |
| 19 | |
| 20 | helpfile = self.helpfile |
| 21 | if not os.path.exists(helpfile): |
| 22 | base = os.path.basename(self.helpfile) |
| 23 | for dir in sys.path: |
| 24 | fullname = os.path.join(dir, base) |
| 25 | if os.path.exists(fullname): |
| 26 | helpfile = fullname |
| 27 | break |
| 28 | try: |
| 29 | f = open(helpfile) |
| 30 | data = f.read() |
| 31 | f.close() |
| 32 | except IOError, msg: |
| 33 | data = "Can't open the help file (%s)" % `helpfile` |
| 34 | |
| 35 | top.protocol("WM_DELETE_WINDOW", self.close_command) |
| 36 | top.wm_title(self.helptitle) |
| 37 | |
| 38 | self.close_button = Button(top, text="close", |
| 39 | command=self.close_command) |
| 40 | self.close_button.pack(side="bottom") |
| 41 | |
| 42 | self.vbar = vbar = Scrollbar(top, name="vbar") |
| 43 | self.text = text = Text(top) |
| 44 | |
| 45 | vbar["command"] = text.yview |
| 46 | text["yscrollcommand"] = vbar.set |
| 47 | |
| 48 | vbar.pack(side="right", fill="y") |
| 49 | text.pack(side="left", fill="both", expand=1) |
| 50 | |
| 51 | text.insert("1.0", data) |
| 52 | |
| 53 | text.config(state="disabled") |
| 54 | text.see("1.0") |
| 55 | |
| 56 | def close_command(self): |
| 57 | self.top.destroy() |
| 58 | |
| 59 | |
| 60 | def main(): |
| 61 | h = HelpWindow() |
| 62 | h.top.mainloop() |
| 63 | |
| 64 | if __name__ == "__main__": |
| 65 | main() |