diff --git a/Doc/library/tkinter.messagebox.rst b/Doc/library/tkinter.messagebox.rst index 56c1d6c132afd27..56090a0a0e424be 100644 --- a/Doc/library/tkinter.messagebox.rst +++ b/Doc/library/tkinter.messagebox.rst @@ -11,7 +11,8 @@ The :mod:`tkinter.messagebox` module provides a template base class as well as a variety of convenience methods for commonly used configurations. The message -boxes are modal and will return a subset of (True, False, OK, None, Yes, No) based on +boxes are modal and will return a subset of (``True``, ``False``, ``None``, +:data:`OK`, :data:`CANCEL`, :data:`YES`, :data:`NO`) based on the user's selection. Common message box styles and layouts include but are not limited to: @@ -19,21 +20,175 @@ limited to: .. class:: Message(master=None, **options) - Create a default information message box. + Create a message window with an application-specified message, an icon + and a set of buttons. + Each of the buttons in the message window is identified by a unique symbolic name (see the *type* options). + + The following options are supported: + + *command* + Specifies the function to invoke when the user closes the dialog. + The name of the button clicked by the user to close the dialog is + passed as argument. + This is only available on macOS. + + *default* + Gives the :ref:`symbolic name ` of the default button + for this message window (:data:`OK`, :data:`CANCEL`, and so on). + If this option is not specified, the first button in the dialog will + be made the default. + + *detail* + Specifies an auxiliary message to the main message given by the + *message* option. + The message detail will be presented beneath the main message and, + where supported by the OS, in a less emphasized font than the main + message. + + *icon* + Specifies an :ref:`icon ` to display. + If this option is not specified, then the :data:`INFO` icon will be + displayed. + + *message* + Specifies the message to display in this message box. + The default value is an empty string. + + *parent* + Makes the specified window the logical parent of the message box. + The message box is displayed on top of its parent window. + + *title* + Specifies a string to display as the title of the message box. + This option is ignored on macOS, where platform guidelines forbid + the use of a title on this kind of dialog. + + *type* + Arranges for a :ref:`predefined set of buttons ` + to be displayed. + + .. method:: show(**options) + + Display a message window and wait for the user to select one of the buttons. Then return the symbolic name of the selected button. + Keyword arguments can override options specified in the constructor. + **Information message box** -.. method:: showinfo(title=None, message=None, **options) +.. function:: showinfo(title=None, message=None, **options) + + Creates and displays an information message box with the specified title + and message. **Warning message boxes** -.. method:: showwarning(title=None, message=None, **options) - showerror(title=None, message=None, **options) +.. function:: showwarning(title=None, message=None, **options) + + Creates and displays a warning message box with the specified title + and message. + +.. function:: showerror(title=None, message=None, **options) + + Creates and displays an error message box with the specified title + and message. **Question message boxes** -.. method:: askquestion(title=None, message=None, **options) - askokcancel(title=None, message=None, **options) - askretrycancel(title=None, message=None, **options) - askyesno(title=None, message=None, **options) - askyesnocancel(title=None, message=None, **options) +.. function:: askquestion(title=None, message=None, *, type=YESNO, **options) + + Ask a question. By default shows buttons :data:`YES` and :data:`NO`. + Returns the symbolic name of the selected button. + +.. function:: askokcancel(title=None, message=None, **options) + + Ask if operation should proceed. Shows buttons :data:`OK` and :data:`CANCEL`. + Returns ``True`` if the answer is ok and ``False`` otherwise. + +.. function:: askretrycancel(title=None, message=None, **options) + + Ask if operation should be retried. Shows buttons :data:`RETRY` and :data:`CANCEL`. + Return ``True`` if the answer is yes and ``False`` otherwise. + +.. function:: askyesno(title=None, message=None, **options) + + Ask a question. Shows buttons :data:`YES` and :data:`NO`. + Returns ``True`` if the answer is yes and ``False`` otherwise. + +.. function:: askyesnocancel(title=None, message=None, **options) + + Ask a question. Shows buttons :data:`YES`, :data:`NO` and :data:`CANCEL`. + Return ``True`` if the answer is yes, ``None`` if cancelled, and ``False`` + otherwise. + + +.. _messagebox-buttons: + +Symbolic names of buttons: + +.. data:: ABORT + :value: 'abort' +.. data:: RETRY + :value: 'retry' +.. data:: IGNORE + :value: 'ignore' +.. data:: OK + :value: 'ok' +.. data:: CANCEL + :value: 'cancel' +.. data:: YES + :value: 'yes' +.. data:: NO + :value: 'no' + +.. _messagebox-types: + +Predefined sets of buttons: + +.. data:: ABORTRETRYIGNORE + :value: 'abortretryignore' + + Displays three buttons whose symbolic names are :data:`ABORT`, + :data:`RETRY` and :data:`IGNORE`. + +.. data:: OK + :value: 'ok' + :noindex: + + Displays one button whose symbolic name is :data:`OK`. + +.. data:: OKCANCEL + :value: 'okcancel' + + Displays two buttons whose symbolic names are :data:`OK` and + :data:`CANCEL`. + +.. data:: RETRYCANCEL + :value: 'retrycancel' + + Displays two buttons whose symbolic names are :data:`RETRY` and + :data:`CANCEL`. + +.. data:: YESNO + :value: 'yesno' + + Displays two buttons whose symbolic names are :data:`YES` and + :data:`NO`. + +.. data:: YESNOCANCEL + :value: 'yesnocancel' + + Displays three buttons whose symbolic names are :data:`YES`, + :data:`NO` and :data:`CANCEL`. + +.. _messagebox-icons: + +Icon images: + +.. data:: ERROR + :value: 'error' +.. data:: INFO + :value: 'info' +.. data:: QUESTION + :value: 'question' +.. data:: WARNING + :value: 'warning'