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Editing: messagebox.py
# tk common message boxes # # this module provides an interface to the native message boxes # available in Tk 4.2 and newer. # # written by Fredrik Lundh, May 1997 # # # options (all have default values): # # - default: which button to make default (one of the reply codes) # # - icon: which icon to display (see below) # # - message: the message to display # # - parent: which window to place the dialog on top of # # - title: dialog title # # - type: dialog type; that is, which buttons to display (see below) # from tkinter.commondialog import Dialog # # constants # icons ERROR = "error" INFO = "info" QUESTION = "question" WARNING = "warning" # types ABORTRETRYIGNORE = "abortretryignore" OK = "ok" OKCANCEL = "okcancel" RETRYCANCEL = "retrycancel" YESNO = "yesno" YESNOCANCEL = "yesnocancel" # replies ABORT = "abort" RETRY = "retry" IGNORE = "ignore" OK = "ok" CANCEL = "cancel" YES = "yes" NO = "no" # # message dialog class class Message(Dialog): "A message box" command = "tk_messageBox" # # convenience stuff # Rename _icon and _type options to allow overriding them in options def _show(title=None, message=None, _icon=None, _type=None, **options): if _icon and "icon" not in options: options["icon"] = _icon if _type and "type" not in options: options["type"] = _type if title: options["title"] = title if message: options["message"] = message res = Message(**options).show() # In some Tcl installations, yes/no is converted into a boolean. if isinstance(res, bool): if res: return YES return NO # In others we get a Tcl_Obj. return str(res) def showinfo(title=None, message=None, **options): "Show an info message" return _show(title, message, INFO, OK, **options) def showwarning(title=None, message=None, **options): "Show a warning message" return _show(title, message, WARNING, OK, **options) def showerror(title=None, message=None, **options): "Show an error message" return _show(title, message, ERROR, OK, **options) def askquestion(title=None, message=None, **options): "Ask a question" return _show(title, message, QUESTION, YESNO, **options) def askokcancel(title=None, message=None, **options): "Ask if operation should proceed; return true if the answer is ok" s = _show(title, message, QUESTION, OKCANCEL, **options) return s == OK def askyesno(title=None, message=None, **options): "Ask a question; return true if the answer is yes" s = _show(title, message, QUESTION, YESNO, **options) return s == YES def askyesnocancel(title=None, message=None, **options): "Ask a question; return true if the answer is yes, None if cancelled." s = _show(title, message, QUESTION, YESNOCANCEL, **options) # s might be a Tcl index object, so convert it to a string s = str(s) if s == CANCEL: return None return s == YES def askretrycancel(title=None, message=None, **options): "Ask if operation should be retried; return true if the answer is yes" s = _show(title, message, WARNING, RETRYCANCEL, **options) return s == RETRY # -------------------------------------------------------------------- # test stuff if __name__ == "__main__": print("info", showinfo("Spam", "Egg Information")) print("warning", showwarning("Spam", "Egg Warning")) print("error", showerror("Spam", "Egg Alert")) print("question", askquestion("Spam", "Question?")) print("proceed", askokcancel("Spam", "Proceed?")) print("yes/no", askyesno("Spam", "Got it?")) print("yes/no/cancel", askyesnocancel("Spam", "Want it?")) print("try again", askretrycancel("Spam", "Try again?"))
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