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230 lines
6.1 KiB
ReStructuredText
230 lines
6.1 KiB
ReStructuredText
Tkinter Dialogs
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===============
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:mod:`tkinter.simpledialog` --- Standard Tkinter input dialogs
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. module:: tkinter.simpledialog
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:platform: Tk
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:synopsis: Simple dialog windows
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**Source code:** :source:`Lib/tkinter/simpledialog.py`
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--------------
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The :mod:`tkinter.simpledialog` module contains convenience classes and
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functions for creating simple modal dialogs to get a value from the user.
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.. function:: askfloat(title, prompt, **kw)
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askinteger(title, prompt, **kw)
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askstring(title, prompt, **kw)
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The above three functions provide dialogs that prompt the user to enter a value
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of the desired type.
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.. class:: Dialog(parent, title=None)
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The base class for custom dialogs.
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.. method:: body(master)
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Override to construct the dialog's interface and return the widget that
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should have initial focus.
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.. method:: buttonbox()
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Default behaviour adds OK and Cancel buttons. Override for custom button
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layouts.
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:mod:`tkinter.filedialog` --- File selection dialogs
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. module:: tkinter.filedialog
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:platform: Tk
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:synopsis: Dialog classes for file selection
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**Source code:** :source:`Lib/tkinter/filedialog.py`
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--------------
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The :mod:`tkinter.filedialog` module provides classes and factory functions for
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creating file/directory selection windows.
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Native Load/Save Dialogs
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------------------------
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The following classes and functions provide file dialog windows that combine a
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native look-and-feel with configuration options to customize behaviour.
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The following keyword arguments are applicable to the classes and functions
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listed below:
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| *parent* - the window to place the dialog on top of
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| *title* - the title of the window
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| *initialdir* - the directory that the dialog starts in
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| *initialfile* - the file selected upon opening of the dialog
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| *filetypes* - a sequence of (label, pattern) tuples, '*' wildcard is allowed
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| *defaultextension* - default extension to append to file (save dialogs)
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| *multiple* - when true, selection of multiple items is allowed
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**Static factory functions**
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The below functions when called create a modal, native look-and-feel dialog,
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wait for the user's selection, then return the selected value(s) or ``None`` to the
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caller.
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.. function:: askopenfile(mode="r", **options)
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askopenfiles(mode="r", **options)
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The above two functions create an :class:`Open` dialog and return the opened
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file object(s) in read-only mode.
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.. function:: asksaveasfile(mode="w", **options)
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Create a :class:`SaveAs` dialog and return a file object opened in write-only mode.
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.. function:: askopenfilename(**options)
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askopenfilenames(**options)
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The above two functions create an :class:`Open` dialog and return the
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selected filename(s) that correspond to existing file(s).
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.. function:: asksaveasfilename(**options)
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Create a :class:`SaveAs` dialog and return the selected filename.
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.. function:: askdirectory(**options)
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| Prompt user to select a directory.
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| Additional keyword option:
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| *mustexist* - determines if selection must be an existing directory.
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.. class:: Open(master=None, **options)
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SaveAs(master=None, **options)
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The above two classes provide native dialog windows for saving and loading
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files.
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**Convenience classes**
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The below classes are used for creating file/directory windows from scratch.
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These do not emulate the native look-and-feel of the platform.
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.. class:: Directory(master=None, **options)
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Create a dialog prompting the user to select a directory.
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.. note:: The *FileDialog* class should be subclassed for custom event
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handling and behaviour.
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.. class:: FileDialog(master, title=None)
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Create a basic file selection dialog.
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.. method:: cancel_command(event=None)
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Trigger the termination of the dialog window.
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.. method:: dirs_double_event(event)
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Event handler for double-click event on directory.
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.. method:: dirs_select_event(event)
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Event handler for click event on directory.
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.. method:: files_double_event(event)
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Event handler for double-click event on file.
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.. method:: files_select_event(event)
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Event handler for single-click event on file.
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.. method:: filter_command(event=None)
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Filter the files by directory.
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.. method:: get_filter()
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Retrieve the file filter currently in use.
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.. method:: get_selection()
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Retrieve the currently selected item.
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.. method:: go(dir_or_file=os.curdir, pattern="*", default="", key=None)
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Render dialog and start event loop.
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.. method:: ok_event(event)
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Exit dialog returning current selection.
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.. method:: quit(how=None)
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Exit dialog returning filename, if any.
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.. method:: set_filter(dir, pat)
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Set the file filter.
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.. method:: set_selection(file)
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Update the current file selection to *file*.
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.. class:: LoadFileDialog(master, title=None)
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A subclass of FileDialog that creates a dialog window for selecting an
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existing file.
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.. method:: ok_command()
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Test that a file is provided and that the selection indicates an
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already existing file.
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.. class:: SaveFileDialog(master, title=None)
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A subclass of FileDialog that creates a dialog window for selecting a
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destination file.
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.. method:: ok_command()
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Test whether or not the selection points to a valid file that is not a
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directory. Confirmation is required if an already existing file is
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selected.
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:mod:`tkinter.commondialog` --- Dialog window templates
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. module:: tkinter.commondialog
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:platform: Tk
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:synopsis: Tkinter base class for dialogs
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**Source code:** :source:`Lib/tkinter/commondialog.py`
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--------------
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The :mod:`tkinter.commondialog` module provides the :class:`Dialog` class that
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is the base class for dialogs defined in other supporting modules.
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.. class:: Dialog(master=None, **options)
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.. method:: show(color=None, **options)
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Render the Dialog window.
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.. seealso::
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Modules :mod:`tkinter.messagebox`, :ref:`tut-files`
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