cpython/Lib/lib-tk/tkMessageBox.py

126 lines
3.1 KiB
Python

#
# Instant Python
# $Id$
#
# 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 tkCommonDialog 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
def _show(title=None, message=None, icon=None, type=None, **options):
if icon: options["icon"] = icon
if type: options["type"] = type
if title: options["title"] = title
if message: options["message"] = message
res = Message(**options).show()
# In some Tcl installations, Tcl converts yes/no into a boolean
if isinstance(res, bool):
if res: return YES
return NO
return 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 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 "try again", askretrycancel("Spam", "Try again?")