Textualize/textual v0.27.0

The sparkly release

on GitHub

https://textual.textualize.io/blog/2023/06/01/textual-adds-sparklines-selection-list-input-validation-and-tool-tips/

[0.27.0] - 2023-06-01

Fixed

• Fixed zero division error #2673
• Fix scroll_to_center when there were nested layers out of view (Compositor full_map not populated fully) #2684
• Fix crash when Select widget value attribute was set in compose #2690
• Issue with computing progress in workers #2686
• Issues with switch_screen not updating the results callback appropriately #2650
• Fixed incorrect mount order #2702

Added

• work decorator accepts description parameter to add debug string #2597
• Added SelectionList widget #2652
• App.AUTO_FOCUS to set auto focus on all screens #2594
• Option to scroll_to_center to ensure we don't scroll such that the top left corner of the widget is not visible #2682
• Added Widget.tooltip property #2670
• Added Region.inflect #2670
• Suggester API to compose with widgets for automatic suggestions #2330
• SuggestFromList class to let widgets get completions from a fixed set of options #2604
• Input has a new component class input--suggestion #2604
• Added Widget.remove_children #2657
• Added Validator framework and validation for Input #2600
• Added message_hook to App.run_test #2702

Changed

• Placeholder now sets its color cycle per app #2590
• Footer now clears key highlight regardless of whether it's in the active screen or not #2606
• The default Widget repr no longer displays classes and pseudo-classes (to reduce noise in logs). Add them to your __rich_repr__ method if needed. #2623
• Setting Screen.AUTO_FOCUS to None will inherit AUTO_FOCUS from the app instead of disabling it #2594
• Setting Screen.AUTO_FOCUS to "" will disable it on the screen #2594
• Messages now have a handler_name class var which contains the name of the default handler method.
• Message.control is now a property instead of a class variable. #2528
• Tree and DirectoryTree Messages no longer accept a tree parameter, using self.node.tree instead. #2529
• Keybinding right in Input is also used to accept a suggestion if the cursor is at the end of the input #2604
• Input.__init__ now accepts a suggester attribute for completion suggestions #2604
• Using switch_screen to switch to the currently active screen is now a no-op #2692

Removed

• Placeholder.reset_color_cycle
• Removed Widget.reset_focus (now called Widget.blur) #2642