textual/CHANGELOG.md

Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

Changed

• Optimized startup https://github.com/Textualize/textual/pull/5869
• New blank visual which makes background faster to render (note this will break snapshots tests this version) https://github.com/Textualize/textual/pull/5869
• Exposed code_indent_guides boolean on Markdown widget

3.4.0 - 2025-06-14

Fixed

• Fixed issues with initial flicker in TextArea rendering https://github.com/Textualize/textual/issues/5841vcomm
• Fixed issue with workers that have large parameter lists breaking dev tools https://github.com/Textualize/textual/pull/5850
• Fixed post_message failing on 3.8 https://github.com/Textualize/textual/pull/5848
• Fixed log not working from threads https://github.com/Textualize/textual/pull/5863

Added

• Added experimental opt-in support for https://github.com/willmcgugan/textual-speedups

Changed

• Content markup is now more lenient; if a 'tag' doesn't contain a valid style it will be included verbatim. https://github.com/Textualize/textual/pull/5851

3.3.0 - 2025-06-01

Fixed

• Fixed VERTICAL_BREAKPOINTS doesn't work https://github.com/Textualize/textual/pull/5785
• Fixed Button allowing text selection https://github.com/Textualize/textual/pull/5770
• Fixed running App.run after asyncio.run https://github.com/Textualize/textual/pull/5799
• Fixed triggering a deprecation warning in py >= 3.10 https://github.com/Textualize/textual/pull/5799
• Fixed Input invalid cursor position after updating the value https://github.com/Textualize/textual/issues/5811
• Fixed DEFAULT_CLASSES when applied to App https://github.com/Textualize/textual/pull/5827
• Fixed order of implicit content tag closing https://github.com/Textualize/textual/pull/5823

Added

• Exposed CollapsibleTitle https://github.com/Textualize/textual/pull/5810
• Added Color.hsv property and Color.from_hsv class method https://github.com/Textualize/textual/pull/5803
• Added cursor_at_start and cursor_at_end properties to the Input widget https://github.com/Textualize/textual/pull/5830

Changed

• Added a few features to python -m textual.markup playground https://github.com/Textualize/textual/pull/5823

3.2.0 - 2025-05-02

Fixed

• Fixed OptionList causing excessive redrawing https://github.com/Textualize/textual/pull/5766
• Log messages could be written to stdout when there was no app, which could happen when using run_async or threads. Now they will be suppressed, unless the env var TEXTUAL_DEBUG is set https://github.com/Textualize/textual/pull/5782

Added

• Added :first-child and :last-child pseudo classes https://github.com/Textualize/textual/pull/5776
• Added toggle_class parameter to reactives https://github.com/Textualize/textual/pull/5778
• Added compact parameter and reactive to Button, Input, ToggleButton, RadioSet, OptionList, TextArea https://github.com/Textualize/textual/pull/5778
• Added HORIZONTAL_BREAKPOINTS and VERTICAL_BREAKPOINTS to App and Screen https://github.com/Textualize/textual/pull/5779

Changed

• RadioSet now has a default width of 1fr https://github.com/Textualize/textual/pull/5778

3.1.1 - 2025-04-22

Fixed

• Fixed issue with tint filter https://github.com/Textualize/textual/pull/5757
• Fixed a crash when setting keymap before app mount https://github.com/Textualize/textual/issues/5742

3.1.0 - 2025-04-12

Fixed

• Fixed markup escaping edge cases https://github.com/Textualize/textual/pull/5697
• Fixed incorrect auto height in Collapsible https://github.com/Textualize/textual/pull/5703
• Fixed issue with keymaps and single-letter keys https://github.com/Textualize/textual/pull/5726
• Fixed OptionList size after removing or clearing options https://github.com/Textualize/textual/issues/5728
• Fixed footer / key panel not updating when keymaps are applied https://github.com/Textualize/textual/pull/5724
• Fixed alignment not being applied when there are min and max limits on dimensions https://github.com/Textualize/textual/pull/5732
• Fixed issues with OptionList scrollbar not updating https://github.com/Textualize/textual/pull/5736
• Fixed allow_focus method not overriding can_focus() https://github.com/Textualize/textual/pull/5737
• Fixed overlap of Input / TextArea selection with arbitrary text selection https://github.com/Textualize/textual/pull/5739

Changed

• Collapsible title now accepts str, Text, or Content https://github.com/Textualize/textual/pull/5697
• Rich Text objects will be converted to Content in OptionList and other widgets https://github.com/Textualize/textual/pull/5712
• Textual will always convert dim attributes to RGB by default https://github.com/Textualize/textual/pull/5715
• Notifications will now use content markup (previously they used Console markup) https://github.com/Textualize/textual/pull/5719

Added

• Added TEXTUAL_DIM_FACTOR env var to set the opacity of the 'dim' ANSI attribute https://github.com/Textualize/textual/pull/5715
• notify() now accepts a markup parameter to disable rendering the message as markup https://github.com/Textualize/textual/pull/5719
• Added Screen.text_selection_started_signal https://github.com/Textualize/textual/pull/5739
• Added App.clear_selection() helper method to clear arbitrary text selection of active screen https://github.com/Textualize/textual/pull/5739

3.0.1 - 2025-04-01

Fixed

• Fixed issue with modal dialog not refreshing

3.0.0 - 2025-03-27

Changed

• Breaking change: App.query and friends will now always query the default (first) screen, not necessarily the active screen.
• Content now has a default argument of an empty string, so Content() is equivalent to Content("")
• Assigned names to Textual-specific threads: textual-input, textual-output. These should become visible in monitoring tools (ps, top, htop) as of Python 3.14. https://github.com/Textualize/textual/pull/5654
• Tabs now accept Content or Textual markup https://github.com/Textualize/textual/pull/5657
• Buttons will now use Textual markup rather than console markup
• tree-sitter languages are now loaded lazily, improving cold-start time https://github.com/Textualize/textual/pull/563

Fixed

• Static and Label now accept Content objects, satisfying type checkers https://github.com/Textualize/textual/pull/5618
• Fixed click selection not being disabled when allow_select was set to false https://github.com/Textualize/textual/issues/5627
• Fixed crash on clicking line API border https://github.com/Textualize/textual/pull/5641
• Fixed Select.selection now correctly returns None if Select.BLANK is selected instead of an AssertionError
• Fixed additional spaces after text-wrapping https://github.com/Textualize/textual/pull/5657
• Added missing scroll_end parameter to the Log.write_line method https://github.com/Textualize/textual/pull/5672
• Restored support for blink https://github.com/Textualize/textual/pull/5675
• Fixed scrolling breaking on DataTable with overflow: hidden https://github.com/Textualize/textual/pull/5681

Added

• Added Widget.preflight_checks to perform some debug checks after a widget is instantiated, to catch common errors. https://github.com/Textualize/textual/pull/5588
• Added text-padding style https://github.com/Textualize/textual/pull/5657
• Added Content.first_line property https://github.com/Textualize/textual/pull/5657
• Added Content.from_text constructor https://github.com/Textualize/textual/pull/5657
• Added Content.empty constructor https://github.com/Textualize/textual/pull/5657
• Added Content.pad method https://github.com/Textualize/textual/pull/5657
• Added Style.has_transparent_foreground property https://github.com/Textualize/textual/pull/5657

2.1.2 - 2025-02-26

Fixed

• Fixed command palette fuzzy search bailing too early https://github.com/Textualize/textual/pull/5579

2.1.1 - 2025-02-22

Fixed

• Fixed Link binding to open the link https://github.com/Textualize/textual/issues/5564
• Fixed IndexError in OptionList https://github.com/Textualize/textual/pull/5574
• Fixed issue with clear_panes breaking tabbed content https://github.com/Textualize/textual/pull/5573

Changed

• The user can now interrupt a scroll to end by grabbing the scrollbar or scrolling in any other way. Press ++end++ or scroll to the end to restore default behavior. This is more intuitive that it may sound.

2.1.0 - 2025-02-19

Fixed

• Fixed smooth scrolling broken on iTerm over SSH https://github.com/Textualize/textual/pull/5551
• Fixed height of auto container which contains auto height children https://github.com/Textualize/textual/pull/5552
• Fixed Content.from_markup not stripping control codes https://github.com/Textualize/textual/pull/5557
• Fixed delta_x and delta_y in mouse events when smooth scrolling is enabled https://github.com/Textualize/textual/pull/5556
• Fixed flipped title colors in panel border https://github.com/Textualize/textual/issues/5548
• Fixed detection of smooth scrolling https://github.com/Textualize/textual/pull/5558

Added

• Added pointer_x, pointer_y, pointer_screen_x, and pointer_screen_y attributes to mouse events https://github.com/Textualize/textual/pull/5556

Changed

• Animating the scrollbar while dragging is disabled if smooth scrolling is available https://github.com/Textualize/textual/pull/5558
• Renamed TerminalSupportsInBandWindowResize to InBandWindowResize https://github.com/Textualize/textual/pull/5558

2.0.4 - 2025-02-17

Fixed

• Fixed smooth scrolling breaking mouse support in VSCode (and probably others) https://github.com/Textualize/textual/pull/5549

2.0.3 - 2025-02-16

Fixed

• Fixed traceback from OptionList in Command Palette https://github.com/Textualize/textual/pull/5544

2.0.2 - 2025-02-16

Fixed

• Fixed OptionList.add_options exhausting iterator https://github.com/Textualize/textual/pull/5540
• Fixed screen not refreshing after pop https://github.com/Textualize/textual/pull/5543

2.0.1 - 2025-02-16

Fixed

• Fixed escape tags in Textual markup https://github.com/Textualize/textual/pull/5536

2.0.0 - 2025-02-16

Added

• Added Select.type_to_search which allows you to type to move the cursor to a matching option https://github.com/Textualize/textual/pull/5403
• Added from_app_focus to Focus event to indicate if a widget is being focused because the app itself has regained focus or not https://github.com/Textualize/textual/pull/5379
• Added Blurred message to Input widget (matching Submitted and Changed) to make it easier to synchronize with validate_on parameter when set to 'blur'.
• Added Offset.transpose https://github.com/Textualize/textual/pull/5409
• Added screen--selection component class to define style for selection https://github.com/Textualize/textual/pull/5409
• Added Widget.select_container property https://github.com/Textualize/textual/pull/5409
• Added Widget.select_all https://github.com/Textualize/textual/pull/5409
• Added Region.bottom_right_inclusive https://github.com/Textualize/textual/pull/5409
• Added double click to select, triple click to select all in container https://github.com/Textualize/textual/pull/5409
• Added arbitrary text selection https://github.com/Textualize/textual/pull/5409
• Added Widget.ALLOW_SELECT classvar for a per-widget switch to disable text selection https://github.com/Textualize/textual/pull/5409
• Added Widget.allow_select method for programmatic control of text selection https://github.com/Textualize/textual/pull/5409
• Added App.ALLOW_SELECT for a global switch to disable text selection https://github.com/Textualize/textual/pull/5409
• Added DOMNode.query_ancestor https://github.com/Textualize/textual/pull/5409
• Added selection to Log widget https://github.com/Textualize/textual/pull/5467
• Added text-wrap and text-overflow CSS values https://github.com/Textualize/textual/pull/5485
• Added Textual markup to replace Rich markup https://github.com/Textualize/textual/pull/5485
• Added Content.from_markup https://github.com/Textualize/textual/pull/5485

Fixed

• Fixed Pilot.click not working with times parameter https://github.com/Textualize/textual/pull/5398
• Fixed select refocusing itself too late https://github.com/Textualize/textual/pull/5420
• Fixed layout of the keys in the help panel when a key has a tooltip but no description https://github.com/Textualize/textual/issues/5436
• The content of an Input will now only be automatically selected when the widget is focused by the user, not when the app itself has regained focus (similar to web browsers). https://github.com/Textualize/textual/pull/5379
• Updated TextArea and Input behavior when there is a selection and the user presses left or right https://github.com/Textualize/textual/pull/5400
• Footer can now be scrolled horizontally without holding shift https://github.com/Textualize/textual/pull/5404
• Modified _on_blur method in Input to post a Blurred message
• Fixed Log widget not refreshing on resize https://github.com/Textualize/textual/pull/5460
• Fixed special case with calculating the height of a container where all children have dynamic heights https://github.com/Textualize/textual/pull/5463
• Fixed scrollbars ignoring background opacity https://github.com/Textualize/textual/issues/5458
• Fixed Header icon showing command palette tooltip when disabled https://github.com/Textualize/textual/pull/5427

Changed

• Breaking change: OptionList no longer supports Separator, a separator may be specified with None
• Implemented smooth (pixel perfect) scrolling on supported terminals. Set TEXTUAL_SMOOTH_SCROLL=0 to disable.

Removed

• Breaking change: Removed wrap argument from OptionList (use CSS text-wrap: nowrap; text-overflow: ellipsis)
• Breaking change: Removed tooltip argument from OptionList. Use tooltip attribute or with_tooltip(...) method.

1.0.0 - 2024-12-12

Added

• Added App.clipboard https://github.com/Textualize/textual/pull/5352
• Added standard cut/copy/paste (ctrl+x, ctrl+c, ctrl+v) bindings to Input / TextArea https://github.com/Textualize/textual/pull/5352 & https://github.com/Textualize/textual/pull/5374
• Added system boolean to Binding, which hides the binding from the help panel https://github.com/Textualize/textual/pull/5352
• Added support for double/triple/etc clicks via chain attribute on Click events https://github.com/Textualize/textual/pull/5369
• Added times parameter to Pilot.click method, for simulating rapid clicks https://github.com/Textualize/textual/pull/5369
• Text can now be select using mouse or keyboard in the Input widget https://github.com/Textualize/textual/pull/5340

Changed

• Breaking change: Change default quit key to ctrl+q https://github.com/Textualize/textual/pull/5352
• The command palette will now select the top item automatically https://github.com/Textualize/textual/pull/5361
• ctrl+shift+k now deletes the current line in TextArea, and ctrl+x will cut the selection if there is one, otherwise it will cut the current line https://github.com/Textualize/textual/pull/5374
• Implemented a better matching algorithm for the command palette https://github.com/Textualize/textual/pull/5365

Fixed

• Fixed issue with alignment in auto containers https://github.com/Textualize/textual/pull/5360

0.89.1 - 2024-12-05

Fixed

• Fixed alignment of docked widgets https://github.com/Textualize/textual/pull/5347

0.89.0 - 2024-12-05

Added

• Added "tab" border style https://github.com/Textualize/textual/pull/5335
• Added support for XML syntax highlighting https://github.com/Textualize/textual/pull/5320
• Added TextArea.update_highlight_query https://github.com/Textualize/textual/pull/5320
• Input widget now supports text selection via mouse and keyboard https://github.com/Textualize/textual/pull/5340
• Added new keybinds (hold shift) for text selection in Input https://github.com/Textualize/textual/pull/5340
• Added Input.selection reactive attribute for reading and updating the current selection https://github.com/Textualize/textual/pull/5340
• Added Input.select_on_focus (default True) to enable/disable selecting all text in an Input on focus https://github.com/Textualize/textual/pull/5340
• Added methods Input.replace, Input.insert, Input.delete, Input.delete_selection for editing text https://github.com/Textualize/textual/pull/5340
• Added Input.selected_text property for getting the currently selected text https://github.com/Textualize/textual/pull/5340
• Input can now be scrolled independently of cursor position (hold shift and scroll with the mouse wheel in supported environments) https://github.com/Textualize/textual/pull/5340

Changed

• Breaking change: Removed Input reactive attributes view_position, cursor_position (now exists as a property which proxies to the Input.selection reactive attribute), https://github.com/Textualize/textual/pull/5340
• Input.restrict now checked on all edit operations (rather than just on insert) https://github.com/Textualize/textual/pull/5340

Fixed

• Fixed Select not scrolling highlight in to view when clicked https://github.com/Textualize/textual/issues/5255
• Upgraded tree-sitter to 0.23+ (syntax extras) https://github.com/Textualize/textual/pull/5320
• Some syntax highlighting changes due to tree-sitter updates https://github.com/Textualize/textual/pull/5320
• Breaking change: Document.query_syntax_tree signature changed https://github.com/Textualize/textual/pull/5320
• Breaking change: TextArea.register_language signature changed https://github.com/Textualize/textual/pull/5320
• Breaking change: SyntaxAwareDocument.language_name property removed https://github.com/Textualize/textual/pull/5320
• Breaking change: Kotlin syntax highlighting removed from TextArea https://github.com/Textualize/textual/pull/5320
• Fixed selection list wrapping https://github.com/Textualize/textual/pull/5331
• Fixed CSS encoding issue on Windows https://github.com/Textualize/textual/pull/5324

0.88.1 - 2024-11-30

Fixed

• Fixed excessive rendering of the OptionList https://github.com/Textualize/textual/pull/5311
• Fixed rendering glitches in Select https://github.com/Textualize/textual/pull/5311

0.88.0 - 2024-11-29

Fixed

• Fixed infinite loop in Widget.anchor https://github.com/Textualize/textual/pull/5290
• Restores the ability to supply console markup to command list https://github.com/Textualize/textual/pull/5294
• Fixed delayed App Resize event https://github.com/Textualize/textual/pull/5296
• Fixed ListView not updating its index or highlighting after removing items https://github.com/Textualize/textual/issues/5114
• Fixed ListView focus styling rule being too broad https://github.com/Textualize/textual/pull/5304
• Fixed issue with auto-generated tab IDs https://github.com/Textualize/textual/pull/5298

Changed

• ListView.pop now returns AwaitComplete rather than AwaitRemove https://github.com/Textualize/textual/pull/5135
• ListView.remove_items now returns AwaitComplete rather than AwaitRemove https://github.com/Textualize/textual/pull/5135

0.87.1 - 2024-11-24

Fixed

• Fixed offset not being applied to grid layout https://github.com/Textualize/textual/pull/5281
• Fixed Select overlay set to auto width https://github.com/Textualize/textual/pull/5282

0.87.0 - 2024-11-24

Added

• Added Styles.has_any_rules https://github.com/Textualize/textual/pull/5264
• Added position CSS rule. https://github.com/Textualize/textual/pull/5278
• Added Widget.set_scroll https://github.com/Textualize/textual/pull/5278
• Added Select.selection https://github.com/Textualize/textual/pull/5278

Fixed

• Fixed offset applied to docked widgets https://github.com/Textualize/textual/pull/5264
• Fixed loading widgets responding to input https://github.com/Textualize/textual/pull/5267

0.86.3 - 2024-11-19

Changed

• Updated the tutorial (text and code) https://github.com/Textualize/textual/pull/5257

Fixed

• Fixed a glitch with the scrollbar that occurs when you hold a to add stopwatches in the tutorial app https://github.com/Textualize/textual/pull/5257

0.86.2 - 2024-11-18

Fixed

• Fixed visibility glitch for widgets with an offset https://github.com/Textualize/textual/pull/5253
• Fixed theme variables being unavailable in code until refresh_css was called https://github.com/Textualize/textual/pull/5254

0.86.1 - 2024-11-16

Fixed

• Tweaks to demo

0.86.0 - 2024-11-16

Fixed

• Fixed duplicated key displays in the help panel https://github.com/Textualize/textual/issues/5037
• Fixed TextArea mouse selection with tab characters https://github.com/Textualize/textual/issues/5212
• Fixed Tabs not updating the highlighting after removing a tab https://github.com/Textualize/textual/issues/5218

Added

• Added App.theme reactive attribute https://github.com/Textualize/textual/pull/5087
• Added various starter themes https://github.com/Textualize/textual/pull/5087
• Added "Change theme" command to command palette https://github.com/Textualize/textual/pull/5087
• Added variant parameter to Label widget for quick access to common styles https://github.com/Textualize/textual/pull/5087
• Added App.get_theme which returns a theme by name https://github.com/Textualize/textual/pull/5087
• Added App.register_theme and App.unregister_theme https://github.com/Textualize/textual/pull/5087
• Added App.theme_changed_signal https://github.com/Textualize/textual/pull/5087
• Added App.available_themes property which returns a mapping of theme names to Theme instances https://github.com/Textualize/textual/pull/5087
• Added App.current_theme property which returns the currently active theme object https://github.com/Textualize/textual/pull/5087
• Added App.get_theme_variable_defaults which returns a mapping of theme variables to their default values https://github.com/Textualize/textual/pull/5087
• Added App.search which allows bringing up a fuzzy search list of commands on-demand https://github.com/Textualize/textual/pull/5087
• Added App.search_themes which allows bringing up a fuzzy search list of themes on-demand https://github.com/Textualize/textual/pull/5087
• Added textual.theme.ThemeProvider, a command palette provider which returns all registered themes https://github.com/Textualize/textual/pull/5087
• Added several new built-in CSS variables https://github.com/Textualize/textual/pull/5087
• Added support for in-band terminal resize protocol https://github.com/Textualize/textual/pull/5217
• Added TEXTUAL_THEME environment var, which should be a comma separated list of desired themes https://github.com/Textualize/textual/pull/5238
• Added Widget.is_scrolling https://github.com/Textualize/textual/pull/5238
• Added Tree.add_json https://github.com/Textualize/textual/pull/5238

Changed

• Driver.process_event is now Driver.process_message https://github.com/Textualize/textual/pull/5217
• Driver.send_event is now Driver.send_message https://github.com/Textualize/textual/pull/5217
• Added can_focus and can_focus_children parameters to scrollable container types. https://github.com/Textualize/textual/pull/5226
• Added textual.lazy.Reveal https://github.com/Textualize/textual/pull/5226
• Added Screen.action_blur https://github.com/Textualize/textual/pull/5226
• Click events can now be used with the on decorator to match the originally clicked widget https://github.com/Textualize/textual/pull/5238
• Breaking change: Removed App.dark reactive attribute https://github.com/Textualize/textual/pull/5087
• Breaking change: To improve consistency, several changes have been made to default widget CSS and the CSS variables which ship with Textual. On upgrading, your app will likely look different. All of these changes can be overidden with your own CSS. https://github.com/Textualize/textual/pull/5087

Removed

• Removed App.HOVER_EFFECTS_SCROLL_PAUSE https://github.com/Textualize/textual/pull/5238

0.85.2 - 2024-11-02

• Fixed broken focus-within https://github.com/Textualize/textual/pull/5190

0.85.1 - 2024-10-26

Fixed

• Fixed encoding issue when saving files such as screenshots on Windows https://github.com/Textualize/textual/pull/5182

0.85.0 - 2024-10-25

Changed

• Grid will now size children to the maximum height of a row https://github.com/Textualize/textual/pull/5113
• Markdown links will be opened with App.open_url automatically https://github.com/Textualize/textual/pull/5113
• The universal selector (*) will now not match widgets with the class -textual-system (scrollbars, notifications etc) https://github.com/Textualize/textual/pull/5113
• Renamed Screen.can_view and Widget.can_view to Screen.can_view_entire and Widget.can_view_entire https://github.com/Textualize/textual/pull/5174

Added

• Added Link widget https://github.com/Textualize/textual/pull/5113
• Added open_links to Markdown and MarkdownViewer widgets https://github.com/Textualize/textual/pull/5113
• Added App.DEFAULT_MODE https://github.com/Textualize/textual/pull/5113
• Added Containers.HorizontalGroup and Containers.VerticalGroup https://github.com/Textualize/textual/pull/5113
• Added $, £, €, (, ) symbols to Digits https://github.com/Textualize/textual/pull/5113
• Added Button.action parameter to invoke action when clicked https://github.com/Textualize/textual/pull/5113
• Added immediate parameter to scroll methods https://github.com/Textualize/textual/pull/5164
• Added textual._loop.loop_from_index https://github.com/Textualize/textual/pull/5164
• Added min_color and max_color to Sparklines constructor, which take precedence over CSS https://github.com/Textualize/textual/pull/5174
• Added new demo python -m textual, not quite finished but better than the old one https://github.com/Textualize/textual/pull/5174
• Added Screen.can_view_partial and Widget.can_view_partial https://github.com/Textualize/textual/pull/5174
• Added App.is_web property to indicate if the app is running via a web browser https://github.com/Textualize/textual/pull/5128
• Enter and Leave events can now be used with the on decorator https://github.com/Textualize/textual/pull/5159

Fixed

• Fixed glitchy ListView https://github.com/Textualize/textual/issues/5163

0.84.0 - 2024-10-22

Fixed

• Fixed RadioSet not being scrollable https://github.com/Textualize/textual/issues/5100
• Fixed infinite loop in TextArea https://github.com/Textualize/textual/pull/5154

Added

• Added background-tint CSS rule https://github.com/Textualize/textual/pull/5117
• Added :first-of-type, :last-of-type, :odd, and :even pseudo classes https://github.com/Textualize/textual/pull/5139

0.83.0 - 2024-10-10

Added

• Added support for A-F to Digits widget https://github.com/Textualize/textual/pull/5094
• Added Region.constrain https://github.com/Textualize/textual/pull/5097

Changed

• Screen.ALLOW_IN_MAXIMIZED_VIEW will now default to App.ALLOW_IN_MAXIMIZED_VIEW https://github.com/Textualize/textual/pull/5088
• Widgets matching .-textual-system will now be included in the maximize view by default https://github.com/Textualize/textual/pull/5088
• Digits are now thin by default, style with text-style: bold to get bold digits https://github.com/Textualize/textual/pull/5094
• Made Widget.absolute_offset public https://github.com/Textualize/textual/pull/5097
• Tooltips are now displayed directly below the mouse cursor https://github.com/Textualize/textual/pull/5097
• Region.inflect will now assume that margins overlap https://github.com/Textualize/textual/pull/5097
• Pilot.click and friends will now accept a widget, in addition to a selector https://github.com/Textualize/textual/pull/5095

0.82.0 - 2024-10-03

Fixed

• Fixed issue with screen not updating when auto_refresh was enabled https://github.com/Textualize/textual/pull/5063
• Fixed issues regarding loading indicator https://github.com/Textualize/textual/pull/5079
• Fixed issues with inspecting the lazy loaded widgets module https://github.com/Textualize/textual/pull/5080

Added

• Added DOMNode.is_on_screen property https://github.com/Textualize/textual/pull/5063
• Added support for keymaps (user configurable key bindings) https://github.com/Textualize/textual/pull/5038
• Added descriptions to bindings for all internal widgets, and updated casing to be consistent https://github.com/Textualize/textual/pull/5062

Changed

• Breaking change: Widget.set_loading no longer return an awaitable https://github.com/Textualize/textual/pull/5079

0.81.0 - 2024-09-25

Added

• Added x_axis and y_axis parameters to Widget.scroll_to_region https://github.com/Textualize/textual/pull/5047
• Added Tree.move_cursor_to_line https://github.com/Textualize/textual/pull/5052
• Added Screen.pop_until_active https://github.com/Textualize/textual/pull/5069

Changed

• Tree will no longer scroll the X axis when moving the cursor https://github.com/Textualize/textual/pull/5047
• DirectoryTree will no longer select the first node https://github.com/Textualize/textual/pull/5052

Fixed

• Fixed widgets occasionally not getting Resize events https://github.com/Textualize/textual/pull/5048
• Fixed tree regression https://github.com/Textualize/textual/pull/5052
• Fixed glitch with single line inline widget https://github.com/Textualize/textual/pull/5054

0.80.1 - 2024-09-24

Fixed

• Fixed crash when exiting the app prematurely https://github.com/Textualize/textual/pull/5039
• Fixed exception constructing TextArea outside of App https://github.com/Textualize/textual/pull/5045

0.80.0 - 2024-09-23

Added

• Added MaskedInput widget https://github.com/Textualize/textual/pull/4783
• Input validation for floats and integers accept embedded underscores, e.g., "1_234_567" is valid. https://github.com/Textualize/textual/pull/4784
• Support for "none" value added to dock, hatch and split styles https://github.com/Textualize/textual/pull/4982
• Support for "none" added to box and border style properties (e.g widget.style.border = "none") https://github.com/Textualize/textual/pull/4982
• Docstrings added to most style properties https://github.com/Textualize/textual/pull/4982
• Added ansi_color switch to App to permit ANSI (themed) colors https://github.com/Textualize/textual/pull/5000
• Added :ansi pseudo class https://github.com/Textualize/textual/pull/5000
• Added -ansi-scrollbar style to widgets https://github.com/Textualize/textual/pull/5000
• Added App.INLINE_PADDING to define the number of spaces above inline apps https://github.com/Textualize/textual/pull/5000
• Added nocolor psuedoclass when NO_COLOR env var is set- BINDING_GROUP_TITLE now defaults to None https://github.com/Textualize/textual/pull/5023
• Added TreeNode.siblings, TreeNode.next_sibling, TreeNode.previous_sibling, TreeNode.is_collapsed https://github.com/Textualize/textual/pull/5023
• Added additional bindings to Tree widget https://github.com/Textualize/textual/pull/5023
• Added Tree.center_scroll https://github.com/Textualize/textual/pull/5023
• Added Tree.unselect https://github.com/Textualize/textual/pull/5023

Changed

• Input validation for integers no longer accepts scientific notation like '1.5e2'; must be castable to int. https://github.com/Textualize/textual/pull/4784
• Default scrollbar-size-vertical changed to 2 in inline styles to match Widget default CSS (unlikely to affect users) https://github.com/Textualize/textual/pull/4982
• Removed border-right from Toast https://github.com/Textualize/textual/pull/4984
• Some fixes in RichLog result in slightly different semantics, see docstrings for details https://github.com/Textualize/textual/pull/4978
• Changed how scrollbars are rendered (will have no visual effect, but will break snapshot tests) https://github.com/Textualize/textual/pull/5000
• Added enabled switch to filters (mostly used internally) https://github.com/Textualize/textual/pull/5000
• BINDING_GROUP_TITLE now defaults to None https://github.com/Textualize/textual/pull/5023
• Breaking change: Changed how scrollbars are rendered so they work in ansi mode (will break snapshots) https://github.com/Textualize/textual/pull/5023

Fixed

• Input validation of floats no longer accepts NaN (not a number). https://github.com/Textualize/textual/pull/4784
• Fixed issues with screenshots by simplifying segments only for snapshot tests https://github.com/Textualize/textual/issues/4929
• Fixed RichLog.write not respecting width parameter https://github.com/Textualize/textual/pull/4978
• Fixed RichLog writing at wrong width when write occurs before width is known (e.g. in compose or on_mount) https://github.com/Textualize/textual/pull/4978
• Fixed RichLog.write incorrectly shrinking width to RichLog.min_width when shrink=True (now shrinks to fit content area instead) https://github.com/Textualize/textual/pull/4978
• Fixed flicker when setting dark reactive on startup https://github.com/Textualize/textual/pull/4989
• Fixed command palette not sorting search results by their match score https://github.com/Textualize/textual/pull/4994
• Fixed DataTable cached height issue on re-populating the table when using auto-height rows https://github.com/Textualize/textual/pull/4992
• Fixed inline app output being cleared when inline_no_clear=True https://github.com/Textualize/textual/issues/5019

[0.79.1] - 2024-08-31

Fixed

• Fixed broken updates when non active screen changes https://github.com/Textualize/textual/pull/4957

0.79.0 - 2024-08-30

Added

• Added DOMNode.check_consume_key https://github.com/Textualize/textual/pull/4940
• Added App.ESCAPE_TO_MINIMIZE, App.screen_to_minimize, and Screen.ESCAPE_TO_MINIMIZE https://github.com/Textualize/textual/pull/4951
• Added DOMNode.query_exactly_one https://github.com/Textualize/textual/pull/4950
• Added SelectorSet.is_simple https://github.com/Textualize/textual/pull/4950

Changed

• KeyPanel will show multiple keys if bound to the same action https://github.com/Textualize/textual/pull/4940
• Breaking change: DOMNode.query_one will not raise TooManyMatches https://github.com/Textualize/textual/pull/4950

0.78.0 - 2024-08-27

Added

• Added Maximize and Minimize system commands. https://github.com/Textualize/textual/pull/4931
• Added Screen.maximize, Screen.minimize, Screen.action_maximize, Screen.action_minimize, Widget.is_maximized, Widget.allow_maximize. https://github.com/Textualize/textual/pull/4931
• Added Widget.ALLOW_MAXIMIZE, Screen.ALLOW_IN_MAXIMIZED_VIEW classvars https://github.com/Textualize/textual/pull/4931

0.77.0 - 2024-08-22

Added

• Added tooltip to Binding https://github.com/Textualize/textual/pull/4859
• Added a link to the command palette to the Footer (set show_command_palette=False to disable) https://github.com/Textualize/textual/pull/4867
• Added TOOLTIP_DELAY to App to customize time until a tooltip is displayed
• Added "Show keys" option to system commands to show a summary of key bindings. https://github.com/Textualize/textual/pull/4876
• Added "split" CSS style, currently undocumented, and may change. https://github.com/Textualize/textual/pull/4876
• Added Region.get_spacing_between https://github.com/Textualize/textual/pull/4876
• Added App.COMMAND_PALETTE_KEY to change default command palette key binding https://github.com/Textualize/textual/pull/4867
• Added App.get_key_display https://github.com/Textualize/textual/pull/4890
• Added DOMNode.BINDING_GROUP https://github.com/Textualize/textual/pull/4906
• Added DOMNode.HELP classvar which contains Markdown help to be shown in the help panel https://github.com/Textualize/textual/pull/4915
• Added App.get_system_commands https://github.com/Textualize/textual/pull/4920
• Added "Save Screenshot" system command https://github.com/Textualize/textual/pull/4922

Changed

• Removed caps_lock and num_lock modifiers https://github.com/Textualize/textual/pull/4861
• Keys such as escape and space are now displayed in lower case in footer https://github.com/Textualize/textual/pull/4876
• Changed default command palette binding to ctrl+p https://github.com/Textualize/textual/pull/4867
• Removed ctrl_to_caret and upper_case_keys from Footer. These can be implemented in App.get_key_display.
• Renamed SystemCommands to SystemCommandsProvider https://github.com/Textualize/textual/pull/4920
• Breaking change: Removed ClassicFooter widget (please use new Footer widget) https://github.com/Textualize/textual/pull/4921
• Breaking change: App.get_key_display now requires textual.binding.Binding instead of str.
• Disallowed Screen instances in App.SCREENS and App.MODES

Fixed

• Fix crash when validate_on value isn't a set https://github.com/Textualize/textual/pull/4868
• Fix Input.cursor_blink having no effect on the blink cycle after mounting https://github.com/Textualize/textual/pull/4869
• Fixed scrolling by page not taking scrollbar in to account https://github.com/Textualize/textual/pull/4916
• Fixed App.MODES being the same for all instances -- per-instance modes now exist internally

0.76.0

Changed

• Input cursor will no longer jump to the end on focus https://github.com/Textualize/textual/pull/4773
• Removed Size.cip_size, which was a clone of crop_size
• Widgets with auto dimensions will now grow if there is a scrollbar https://github.com/Textualize/textual/pull/4844
• Don't do automatic refresh when widget is not visible https://github.com/Textualize/textual/pull/4847
• Renamed DOMNode._automatic_refresh to DOMNode.automatic_refresh to allow for customization https://github.com/Textualize/textual/pull/4847

Fixed

• Input cursor blink effect will now restart correctly when any action is performed on the input https://github.com/Textualize/textual/pull/4773
• Fixed bindings on same key not updating description https://github.com/Textualize/textual/pull/4850

Added

• Textual will use the ESCDELAY env var when detecting escape keys https://github.com/Textualize/textual/pull/4848

0.75.1 - 2024-08-02

Fixed

• Fixed issue with Enter events causing unresponsive UI https://github.com/Textualize/textual/pull/4833

0.75.0 - 2024-08-01

Added

• Added App.open_url to open URLs in the web browser. When running via the WebDriver, the URL will be opened in the browser that is controlling the app https://github.com/Textualize/textual/pull/4819
• Added Widget.is_mouse_over https://github.com/Textualize/textual/pull/4818
• Added node attribute to events.Enter and events.Leave https://github.com/Textualize/textual/pull/4818

Changed

• events.Enter and events.Leave events now bubble. https://github.com/Textualize/textual/pull/4818
• Renamed Widget.mouse_over to Widget.mouse_hover https://github.com/Textualize/textual/pull/4818

Fixed

• Fixed issue with mutate_reactive and data binding https://github.com/Textualize/textual/pull/4828

0.74.0 - 2024-07-25

Fixed

• Fixed issues in Kitty terminal after exiting app https://github.com/Textualize/textual/issues/4779
• Fixed exception when removing Selects https://github.com/Textualize/textual/pull/4786
• Fixed issue with non-clickable Footer keys https://github.com/Textualize/textual/pull/4798
• Fixed issue with recompose not working from Mount handler https://github.com/Textualize/textual/pull/4802

Changed

• Calling Screen.dismiss with no arguments will invoke the screen callback with None (previously the callback wasn't invoke at all). https://github.com/Textualize/textual/pull/4795

0.73.0 - 2024-07-18

Added

• Added TextArea.line_number_start reactive attribute https://github.com/Textualize/textual/pull/4471
• Added TextArea.matching_bracket_location property https://github.com/Textualize/textual/pull/4764
• Added DOMNode.mutate_reactive https://github.com/Textualize/textual/pull/4731
• Added "quality" parameter to textual.color.Gradient https://github.com/Textualize/textual/pull/4739
• Added textual.color.Gradient.get_rich_color https://github.com/Textualize/textual/pull/4739
• Widget.remove_children now accepts an iterable if widgets in addition to a selector https://github.com/Textualize/textual/issues/4735
• Raise ValueError with improved error message when number of cells inserted using DataTable.add_row doesn't match the number of columns in the table https://github.com/Textualize/textual/pull/4742
• Add Tree.move_cursor to programmatically move the cursor without selecting the node https://github.com/Textualize/textual/pull/4753
• Added Footer component style handling of padding for the key/description https://github.com/Textualize/textual/pull/4651
• StringKey is now exported from data_table https://github.com/Textualize/textual/pull/4760
• TreeNode.add and TreeNode.add_leaf now accepts before and after arguments to position a new node https://github.com/Textualize/textual/pull/4772
• Added a gradient parameter to the ProgressBar widget https://github.com/Textualize/textual/pull/4774

Fixed

• Fixed issue with Tabs where disabled tabs could still be activated by clicking the underline https://github.com/Textualize/textual/issues/4701
• Fixed scroll_visible with margin https://github.com/Textualize/textual/pull/4719
• Fixed programmatically disabling button stuck in hover state https://github.com/Textualize/textual/pull/4724
• Fixed DataTable poor performance on startup and focus change when rows contain multi-line content https://github.com/Textualize/textual/pull/4748
• Fixed Tree and DirectoryTree horizontal scrolling off-by-2 https://github.com/Textualize/textual/pull/4744
• Fixed text-opacity in component styles https://github.com/Textualize/textual/pull/4747
• Ensure Tree.select_node sends NodeSelected message https://github.com/Textualize/textual/pull/4753
• Fixed message handlers not working when message types are assigned as the value of class vars https://github.com/Textualize/textual/pull/3940
• Fixed CommandPalette not focusing the input when opened when App.AUTO_FOCUS doesn't match the input https://github.com/Textualize/textual/pull/4763
• SelectionList.SelectionToggled will now be sent for each option when a bulk toggle is performed (e.g. toggle_all). Previously no messages were sent at all. https://github.com/Textualize/textual/pull/4759
• Fixed focus styles not being updated on blur https://github.com/Textualize/textual/pull/4771

Changed

• "Discover" hits in the command palette are no longer sorted alphabetically https://github.com/Textualize/textual/pull/4720
• TreeNodeSelected messages are now posted before TreeNodeExpanded messages when an expandable node is selected https://github.com/Textualize/textual/pull/4753
• Markdown.LinkClicked.href is now automatically unquoted https://github.com/Textualize/textual/pull/4749
• The mouse cursor hover effect of Tree and DirectoryTree will no longer linger after the mouse leaves the widget https://github.com/Textualize/textual/pull/4766

0.72.0 - 2024-07-09

Changed

• More predictable DOM removals. https://github.com/Textualize/textual/pull/4708

Fixed

• Fixed clicking separator in OptionList moving cursor https://github.com/Textualize/textual/issues/4710
• Fixed scrolling issue in OptionList https://github.com/Textualize/textual/pull/4709

0.71.0 - 2024-06-29

Changed

• Snapshot tests will normalize SVG output so that changes with no visual impact don't break snapshots, but this release will break most of them.
• Breaking change: App.push_screen now returns an Awaitable rather than a screen. https://github.com/Textualize/textual/pull/4672
• Breaking change: Screen.dismiss now returns an Awaitable rather than a bool. https://github.com/Textualize/textual/pull/4672

Fixed

• Fixed grid + keyline when the grid has auto dimensions https://github.com/Textualize/textual/pull/4680
• Fixed mouse code leakage https://github.com/Textualize/textual/pull/4681
• Fixed link inside markdown table not posting a Markdown.LinkClicked message https://github.com/Textualize/textual/issues/4683
• Fixed issue with mouse movements on non-active screen https://github.com/Textualize/textual/pull/4688

0.70.0 - 2024-06-19

Fixed

• Fixed erroneous mouse 'ButtonDown' reporting for mouse movement when any-event mode is enabled in xterm. https://github.com/Textualize/textual/pull/3647

0.69.0 - 2024-06-16

Added

• Added App.simulate_key https://github.com/Textualize/textual/pull/4657

Fixed

• Fixed issue with pop_screen launched from an action https://github.com/Textualize/textual/pull/4657

Changed

• App.check_bindings is now private
• App.action_check_bindings is now App.action_simulate_key

0.68.0 - 2024-06-14

Added

• Added ContentSwitcher.add_content

Fixed

• Improved handling of non-tty input https://github.com/Textualize/textual/pull/4647

0.67.1 - 2024-06-12

Changed

• Reverts Vim keys in DataTable, provides alternatives https://github.com/Textualize/textual/pull/4638

0.67.0 - 2024-06-11

Added

• Added support for Kitty's key protocol https://github.com/Textualize/textual/pull/4631
• ctrl+pageup/ctrl+pagedown will scroll page left/right in DataTable https://github.com/Textualize/textual/pull/4633
• g/G will scroll to the top/bottom of the DataTable https://github.com/Textualize/textual/pull/4633
• Added simple hjkl key bindings to move the cursor in DataTable https://github.com/Textualize/textual/pull/4633

Changed

• home and end now works horizontally instead of vertically in DataTable https://github.com/Textualize/textual/pull/4633
• Tree and DirectoryTree nodes now have a bigger click target, spanning the full line https://github.com/Textualize/textual/pull/4636

Fixed

• Fixed pageup/pagedown behavior in DataTable https://github.com/Textualize/textual/pull/4633
• Added App.CLOSE_TIMEOUT https://github.com/Textualize/textual/pull/4635
• Fixed deadlock on shutdown https://github.com/Textualize/textual/pull/4635

0.66.0 - 2024-06-08

Changed

• get_content_height will now return 0 if the renderable is Falsey https://github.com/Textualize/textual/pull/4617
• Buttons may not be pressed within their "active_effect_duration" to prevent inadvertent activations https://github.com/Textualize/textual/pull/4621
• Screen.dismiss is now a noop if the screen isn't active. Previously it would raise a ScreenStackError, now it returns False. https://github.com/Textualize/textual/pull/4621
• Increased window for escape processing to 100ms https://github.com/Textualize/textual/pull/4625
• Tooltips are now hidden when any key is pressed https://github.com/Textualize/textual/pull/4625

Added

• Added Screen.is_active
• Added icon reactive to Header widget https://github.com/Textualize/textual/pull/4627
• Added time_format reactive to Header widget https://github.com/Textualize/textual/pull/4627
• Added tooltip parameter to input widgets https://github.com/Textualize/textual/pull/4625

0.65.2 - 2024-06-06

Fixed

• Fixed issue with notifications and screen switches https://github.com/Textualize/textual/pull/4615

Added

• Added textual.rlock.RLock https://github.com/Textualize/textual/pull/4615

0.65.1 - 2024-06-05

Fixed

• Fixed hot reloading with hatch rule https://github.com/Textualize/textual/pull/4606
• Fixed hatch style parsing https://github.com/Textualize/textual/pull/4606

0.65.0 - 2024-06-05

Added

• Added Command Palette Opened, Closed, and OptionHighlighted events https://github.com/Textualize/textual/pull/4600
• Added hatch style https://github.com/Textualize/textual/pull/4603

Fixed

• Fixed DataTable cursor flicker on scroll https://github.com/Textualize/textual/pull/4598

Changes

• TabbedContent will automatically make tabs active when a widget in a pane is focused https://github.com/Textualize/textual/issues/4593

0.64.0 - 2024-06-03

Fixed

• Fix traceback on exit https://github.com/Textualize/textual/pull/4575
• Fixed Markdown.goto_anchor no longer scrolling the heading into view https://github.com/Textualize/textual/pull/4583
• Fixed Footer flicker on initial focus https://github.com/Textualize/textual/issues/4573

0.63.6 - 2024-05-29

Fixed

• Fixed issue with bindings not refreshing https://github.com/Textualize/textual/pull/4571

0.63.5 - 2024-05-28

Fixed

• Fixed data table disappearing from tabs https://github.com/Textualize/textual/pull/4567

Added

• Added Styles.is_auto_width and Style.is_auto_height

0.63.4 - 2024-05-26

Added

• Added immediate switch to Signal.publish

Fixed

• Fixed freeze in recompose from bindings https://github.com/Textualize/textual/pull/4558

0.63.3 - 2024-05-24

Fixed

• Fixed Footer grid size https://github.com/Textualize/textual/pull/4545
• Fixed bindings not updated on auto focus https://github.com/Textualize/textual/pull/4551

Changed

• Attempting to mount on a non-mounted widget now raises a MountError https://github.com/Textualize/textual/pull/4547

0.63.2 - 2024-05-23

Fixed

• Fixed issue with namespaces in links https://github.com/Textualize/textual/pull/4546

0.63.1 - 2024-05-22

Fixed

• Fixed display of multiple bindings https://github.com/Textualize/textual/pull/4543

0.63.0 - 2024-05-22

Fixed

• Fixed actions in links https://github.com/Textualize/textual/pull/4540

Changed

• Breaking change: New Footer (likely a drop in replacement, unless you have customized styles) https://github.com/Textualize/textual/pull/4537
• Stylistic changes to Markdown (simpler headers, less margin, etc) https://github.com/Textualize/textual/pull/4541

0.62.0 - 2024-05-20

Added

• Added start and end properties to Markdown Navigator
• Added Widget.anchor, Widget.clear_anchor, and Widget.is_anchored https://github.com/Textualize/textual/pull/4530

0.61.1 - 2024-05-19

Fixed

• Fixed auto grid columns ignoring gutter https://github.com/Textualize/textual/issues/4522

0.61.0 - 2024-05-18

Added

• Added App.get_default_screen https://github.com/Textualize/textual/pull/4520
• Added dynamic binding via DOMNode.check_action https://github.com/Textualize/textual/pull/4516
• Added "focused" action namespace so you can bind a key to an action on the focused widget https://github.com/Textualize/textual/pull/4516
• Added "focused" to allowed action namespaces https://github.com/Textualize/textual/pull/4516

Changed

• Breaking change: Actions (as used in bindings) will no longer check the app if they are unhandled. This was undocumented anyway, and not that useful. https://github.com/Textualize/textual/pull/4516
• Breaking change: Renamed App.namespace_bindings to active_bindings

0.60.1 - 2024-05-15

Fixed

• Dependency issue

0.60.0 - 2024-05-14

Fixed

• Fixed auto width not working for option lists https://github.com/Textualize/textual/pull/4507

Added

• Added DOMNode.query_children https://github.com/Textualize/textual/pull/4508

0.59.0 - 2024-05-11

Fixed

• Fixed SelectionList issues after removing an option https://github.com/Textualize/textual/pull/4464
• Fixed ListView bugs with the initial index https://github.com/Textualize/textual/pull/4452
• Fixed Select not closing https://github.com/Textualize/textual/pull/4499
• Fixed setting loading=False removing all child loading indicators https://github.com/Textualize/textual/pull/4499

Changed

• When displaying a message using App.exit(), the console no longer highlights things such as numbers.

Added

• Added message_signal to MessagePump, to listen to events sent to another widget. https://github.com/Textualize/textual/pull/4487
• Added Widget.suppress_click https://github.com/Textualize/textual/pull/4499

0.58.1 - 2024-05-01

Fixed

• Fixed issue with Markdown mounting content lazily https://github.com/Textualize/textual/pull/4466
• Fixed intermittent issue with scrolling to focus 567caf8acb
• Fixed issue with scrolling to center https://github.com/Textualize/textual/pull/4469

0.58.0 - 2024-04-25

Fixed

• Fixed TextArea to end mouse selection only if currently selecting https://github.com/Textualize/textual/pull/4436
• Fixed issue with scroll_to_widget https://github.com/Textualize/textual/pull/4446
• Fixed issue with margins https://github.com/Textualize/textual/pull/4441

Changed

• Added argument to signal callbacks https://github.com/Textualize/textual/pull/4438

0.57.1 - 2024-04-20

Fixed

• Fixed an off-by-one error in the line number of the Document.end property https://github.com/Textualize/textual/issues/4426
• Fixed setting scrollbar colors not updating the scrollbar https://github.com/Textualize/textual/pull/4433
• Fixed flushing in inline mode https://github.com/Textualize/textual/pull/4435

Added

• Added Offset.clamp and Size.clamp_offset https://github.com/Textualize/textual/pull/4435

0.57.0 - 2024-04-19

Fixed

• Fixed Integer validator missing failure description when not a number https://github.com/Textualize/textual/issues/4413
• Fixed a crash in DataTable if you clicked a link in the border https://github.com/Textualize/textual/issues/4410
• Fixed issue with cursor position https://github.com/Textualize/textual/pull/4429

Added

• Added App.copy_to_clipboard https://github.com/Textualize/textual/pull/4416

[0.56.4] - 2024-04-09

Fixed

• Disabled terminal synchronization in inline mode as it breaks on some terminals

0.56.3 - 2024-04-08

Fixed

• Fixed inline mode not updating https://github.com/Textualize/textual/issues/4403

0.56.2 - 2024-04-07

Fixed

• Fixed inline mode not clearing with multiple screen

0.56.1 - 2024-04-07

Fixed

• Fixed flicker when non-current screen updates https://github.com/Textualize/textual/pull/4401

Changed

• Removed additional line at the end of an inline app https://github.com/Textualize/textual/pull/4401

0.56.0 - 2024-04-06

Added

• Added Size.with_width and Size.with_height https://github.com/Textualize/textual/pull/4393

Fixed

• Fixed issue with inline mode and multiple screens https://github.com/Textualize/textual/pull/4393
• Fixed issue with priority bindings https://github.com/Textualize/textual/pull/4395

Changed

• self.prevent can be used in a widget constructor to prevent messages on mount https://github.com/Textualize/textual/pull/4392

0.55.1 - 2024-04-2

Fixed

• Fixed mouse escape sequences being generated with mouse=False

0.55.0 - 2024-04-1

Fixed

• Fix priority bindings not appearing in footer when key clashes with focused widget https://github.com/Textualize/textual/pull/4342
• Reverted auto-width change https://github.com/Textualize/textual/pull/4369

Changed

• Exceptions inside Widget.compose or workers weren't bubbling up in tests https://github.com/Textualize/textual/issues/4282
• Fixed DataTable scrolling issues by changing max-height back to 100% https://github.com/Textualize/textual/issues/4286
• Fixed Button not rendering correctly with console markup https://github.com/Textualize/textual/issues/4328

Added

• Added Document.start and end location properties for convenience https://github.com/Textualize/textual/pull/4267
• Added support for JavaScript, Golang, Rust, Bash, Java and Kotlin to TextArea https://github.com/Textualize/textual/pull/4350
• Added inline parameter to run and run_async to run app inline (under the prompt). https://github.com/Textualize/textual/pull/4343
• Added mouse parameter to disable mouse support https://github.com/Textualize/textual/pull/4343

0.54.0 - 2024-03-26

Fixed

• Fixed a crash in TextArea when undoing an edit to a selection the selection was made backwards https://github.com/Textualize/textual/issues/4301
• Fixed issue with flickering scrollbars https://github.com/Textualize/textual/pull/4315
• Fixed issue where narrow TextArea would repeatedly wrap due to scrollbar appearing/disappearing https://github.com/Textualize/textual/pull/4334
• Fix progress bar ETA not updating when setting total reactive https://github.com/Textualize/textual/pull/4316

Changed

• ProgressBar won't show ETA until there is at least one second of samples https://github.com/Textualize/textual/pull/4316
• Input waits until an edit has been made, after entry to the widget, before offering a suggestion https://github.com/Textualize/textual/pull/4335

0.53.1 - 2024-03-18

Fixed

• Fixed issue with data binding https://github.com/Textualize/textual/pull/4308

0.53.0 - 2024-03-18

Added

• Mapping of ANSI colors to hex codes configurable via App.ansi_theme_dark and App.ansi_theme_light https://github.com/Textualize/textual/pull/4192
• Pilot.resize_terminal to resize the terminal in testing https://github.com/Textualize/textual/issues/4212
• Added sort_children method https://github.com/Textualize/textual/pull/4244
• Support for pseudo-classes in nested TCSS https://github.com/Textualize/textual/issues/4039

Fixed

• Fixed TextArea.code_editor missing recently added attributes https://github.com/Textualize/textual/pull/4172
• Fixed Sparkline not working with data in a deque https://github.com/Textualize/textual/issues/3899
• Tooltips are now cleared when the related widget is no longer under them https://github.com/Textualize/textual/issues/3045
• Simplified tree-sitter highlight queries for HTML, which also seems to fix segfault issue https://github.com/Textualize/textual/pull/4195
• Fixed DirectoryTree.path no longer reacting to new values https://github.com/Textualize/textual/issues/4208
• Fixed content size cache with Pretty widget https://github.com/Textualize/textual/pull/4211
• Fixed grid-gutter interaction with Pretty widget https://github.com/Textualize/textual/pull/4219
• Fixed TextArea styling issue on alternate screens https://github.com/Textualize/textual/pull/4220
• Fixed writing to invisible RichLog https://github.com/Textualize/textual/pull/4223
• Fixed RichLog.min_width not being used https://github.com/Textualize/textual/pull/4223
• Rename CollapsibleTitle.action_toggle to action_toggle_collapsible to fix clash with DOMNode.action_toggle https://github.com/Textualize/textual/pull/4221
• Markdown component classes weren't refreshed when watching for CSS https://github.com/Textualize/textual/issues/3464
• Rename Switch.action_toggle to action_toggle_switch to fix clash with DOMNode.action_toggle https://github.com/Textualize/textual/issues/4262
• Fixed OptionList.OptionHighlighted leaking out of Select https://github.com/Textualize/textual/issues/4224
• Fixed Tab enable/disable messages leaking into TabbedContent https://github.com/Textualize/textual/issues/4233
• Fixed a style leak from TabbedContent https://github.com/Textualize/textual/issues/4232
• Fixed active hidden scrollbars not releasing the mouse https://github.com/Textualize/textual/issues/4274
• Fixed the mouse not being released when hiding a TextArea while mouse selection is happening https://github.com/Textualize/textual/issues/4292
• Fix mouse scrolling not working when mouse cursor is over a disabled child widget https://github.com/Textualize/textual/issues/4242

Changed

• Clicking a non focusable widget focus ancestors https://github.com/Textualize/textual/pull/4236
• BREAKING: widget class names must start with a capital letter or an underscore _ https://github.com/Textualize/textual/pull/4252
• BREAKING: for many widgets, messages are now sent when programmatic changes that mirror user input are made https://github.com/Textualize/textual/pull/4256
  • Changed Collapsible
  • Changed Markdown
  • Changed Select
  • Changed SelectionList
  • Changed TabbedContent
  • Changed Tabs
  • Changed TextArea
  • Changed Tree
• Improved ETA calculation for ProgressBar https://github.com/Textualize/textual/pull/4271
• BREAKING: AppFocus and AppBlur are now posted when the terminal window gains or loses focus, if the terminal supports this https://github.com/Textualize/textual/pull/4265
  • When the terminal window loses focus, the currently-focused widget will also lose focus.
  • When the terminal window regains focus, the previously-focused widget will regain focus.
• TextArea binding for ctrl+k will now delete the line if the line is empty https://github.com/Textualize/textual/issues/4277
• The active tab (in Tabs) / tab pane (in TabbedContent) can now be unset https://github.com/Textualize/textual/issues/4241

0.52.1 - 2024-02-20

Fixed

• Fixed the check for animation level in LoadingIndicator https://github.com/Textualize/textual/issues/4188

0.52.0 - 2024-02-19

Changed

• Textual now writes to stderr rather than stdout https://github.com/Textualize/textual/pull/4177

Added

• Added an asyncio lock attribute Widget.lock to be used to synchronize widget state https://github.com/Textualize/textual/issues/4134
• Added support for environment variable TEXTUAL_ANIMATIONS to control what animations Textual displays https://github.com/Textualize/textual/pull/4062
• Add attribute App.animation_level to control whether animations on that app run or not https://github.com/Textualize/textual/pull/4062
• Added support for a TEXTUAL_SCREENSHOT_LOCATION environment variable to specify the location of an automated screenshot https://github.com/Textualize/textual/pull/4181/
• Added support for a TEXTUAL_SCREENSHOT_FILENAME environment variable to specify the filename of an automated screenshot https://github.com/Textualize/textual/pull/4181/
• Added an asyncio lock attribute Widget.lock to be used to synchronize widget state https://github.com/Textualize/textual/issues/4134
• Widget.remove_children now accepts a CSS selector to specify which children to remove https://github.com/Textualize/textual/pull/4183
• Widget.batch combines widget locking and app update batching https://github.com/Textualize/textual/pull/4183

0.51.0 - 2024-02-15

Added

• TextArea now has read_only mode https://github.com/Textualize/textual/pull/4151
• Add some syntax highlighting to TextArea default theme https://github.com/Textualize/textual/pull/4149
• Add undo and redo to TextArea https://github.com/Textualize/textual/pull/4124
• Added support for command palette command discoverability https://github.com/Textualize/textual/pull/4154

Fixed

• Fixed out-of-view Tab not being scrolled into view when Tabs.active is assigned https://github.com/Textualize/textual/issues/4150
• Fixed TabbedContent.TabActivate not being posted when TabbedContent.active is assigned https://github.com/Textualize/textual/issues/4150

Changed

• Breaking change: Renamed TextArea.tab_behaviour to TextArea.tab_behavior https://github.com/Textualize/textual/pull/4124
• TextArea.theme now defaults to "css" instead of None, and is no longer optional https://github.com/Textualize/textual/pull/4157

Fixed

• Improve support for selector lists in nested TCSS https://github.com/Textualize/textual/issues/3969
• Improve support for rule declarations after nested TCSS rule sets https://github.com/Textualize/textual/issues/3999

0.50.1 - 2024-02-09

Fixed

• Fixed tint applied to ANSI colors https://github.com/Textualize/textual/pull/4142

0.50.0 - 2024-02-08

Fixed

• Fixed issue with ANSI colors not being converted to truecolor https://github.com/Textualize/textual/pull/4138
• Fixed duplicate watch methods being attached to DOM nodes https://github.com/Textualize/textual/pull/4030
• Fixed using watch to create additional watchers would trigger other watch methods https://github.com/Textualize/textual/issues/3878

Added

• Added support for configuring dark and light themes for code in Markdown https://github.com/Textualize/textual/issues/3997

0.49.0 - 2024-02-07

Fixed

• Fixed scrolling in long OptionList by adding max height of 100% https://github.com/Textualize/textual/issues/4021
• Fixed DirectoryTree.clear_node not clearing the node specified https://github.com/Textualize/textual/issues/4122

Changed

• DirectoryTree.reload and DirectoryTree.reload_node now preserve state when reloading https://github.com/Textualize/textual/issues/4056
• Fixed a crash in the TextArea when performing a backward replace https://github.com/Textualize/textual/pull/4126
• Fixed selection not updating correctly when pasting while there's a non-zero selection https://github.com/Textualize/textual/pull/4126
• Breaking change: TextArea will not use Escape to shift focus if the tab_behaviour is the default https://github.com/Textualize/textual/issues/4110
• TextArea cursor will now be invisible before first focus https://github.com/Textualize/textual/pull/4128
• Fix toggling TextArea.cursor_blink reactive when widget does not have focus https://github.com/Textualize/textual/pull/4128

Added

• Added DOMQuery.set https://github.com/Textualize/textual/pull/4075
• Added DOMNode.set_reactive https://github.com/Textualize/textual/pull/4075
• Added DOMNode.data_bind https://github.com/Textualize/textual/pull/4075
• Added DOMNode.action_toggle https://github.com/Textualize/textual/pull/4075
• Added Worker.cancelled_event https://github.com/Textualize/textual/pull/4075
• Tree (and DirectoryTree) grew an attribute lock that can be used for synchronization across coroutines https://github.com/Textualize/textual/issues/4056

0.48.2 - 2024-02-02

Fixed

• Fixed a hang in the Linux driver when connected to a pipe https://github.com/Textualize/textual/issues/4104
• Fixed broken OptionList Option.id mappings https://github.com/Textualize/textual/issues/4101

Changed

• Breaking change: keyboard navigation in RadioSet, ListView, OptionList, and SelectionList, no longer allows highlighting disabled items https://github.com/Textualize/textual/issues/3881

0.48.1 - 2024-02-01

Fixed

• TextArea uses CSS theme by default instead of monokai https://github.com/Textualize/textual/pull/4091

0.48.0 - 2024-02-01

Changed

• Breaking change: Significant changes to TextArea.__init__ default values/behaviour https://github.com/Textualize/textual/pull/3933
  • soft_wrap=True - soft wrapping is now enabled by default.
  • show_line_numbers=False - line numbers are now disabled by default.
  • tab_behaviour="focus" - pressing the tab key now switches focus instead of indenting by default.
• Breaking change: TextArea default theme changed to CSS, and default styling changed https://github.com/Textualize/textual/pull/4074
• Breaking change: DOMNode.has_pseudo_class now accepts a single name only https://github.com/Textualize/textual/pull/3970
• Made textual.cache (formerly textual._cache) public https://github.com/Textualize/textual/pull/3976
• Tab.label can now be used to change the label of a tab https://github.com/Textualize/textual/pull/3979
• Changed the default notification timeout from 3 to 5 seconds https://github.com/Textualize/textual/pull/4059
• Prior scroll animations are now cancelled on new scrolls https://github.com/Textualize/textual/pull/4081

Added

• Added DOMNode.has_pseudo_classes https://github.com/Textualize/textual/pull/3970
• Added Widget.allow_focus and Widget.allow_focus_children https://github.com/Textualize/textual/pull/3989
• Added TextArea.soft_wrap reactive attribute added https://github.com/Textualize/textual/pull/3933
• Added TextArea.tab_behaviour reactive attribute added https://github.com/Textualize/textual/pull/3933
• Added TextArea.code_editor classmethod/alternative constructor https://github.com/Textualize/textual/pull/3933
• Added TextArea.wrapped_document attribute which can convert between wrapped visual coordinates and locations https://github.com/Textualize/textual/pull/3933
• Added show_line_numbers to TextArea.__init__ https://github.com/Textualize/textual/pull/3933
• Added component classes allowing TextArea to be styled using CSS https://github.com/Textualize/textual/pull/4074
• Added Query.blur and Query.focus https://github.com/Textualize/textual/pull/4012
• Added MessagePump.message_queue_size https://github.com/Textualize/textual/pull/4012
• Added TabbedContent.active_pane https://github.com/Textualize/textual/pull/4012
• Added App.suspend https://github.com/Textualize/textual/pull/4064
• Added App.action_suspend_process https://github.com/Textualize/textual/pull/4064

Fixed

• Parameter animate from DataTable.move_cursor was being ignored https://github.com/Textualize/textual/issues/3840
• Fixed a crash if DirectoryTree.show_root was set before the DOM was fully available https://github.com/Textualize/textual/issues/2363
• Live reloading of TCSS wouldn't apply CSS changes to screens under the top screen of the stack https://github.com/Textualize/textual/issues/3931
• SelectionList option IDs are usable as soon as the widget is instantiated https://github.com/Textualize/textual/issues/3903
• Fix issue with Strip.crop when crop window start aligned with strip end https://github.com/Textualize/textual/pull/3998
• Fixed Strip.crop_extend https://github.com/Textualize/textual/pull/4011
• Fix for percentage dimensions https://github.com/Textualize/textual/pull/4037
• Fixed a crash if the TextArea language was set but tree-sitter language binaries were not installed https://github.com/Textualize/textual/issues/4045
• Ensuring TextArea.SelectionChanged message only sends when the updated selection is different https://github.com/Textualize/textual/pull/3933
• Fixed declaration after nested rule set causing a parse error https://github.com/Textualize/textual/pull/4012
• ID and class validation was too lenient https://github.com/Textualize/textual/issues/3954
• Fixed CSS watcher crash if file becomes unreadable (even temporarily) https://github.com/Textualize/textual/pull/4079
• Fixed display of keys when used in conjunction with other keys https://github.com/Textualize/textual/pull/3050
• Fixed double detection of Escape on Windows https://github.com/Textualize/textual/issues/4038

0.47.1 - 2024-01-05

Fixed

• Fixed nested specificity https://github.com/Textualize/textual/pull/3963

0.47.0 - 2024-01-04

Fixed

• Widget.move_child would break if before/after is set to the index of the widget in child https://github.com/Textualize/textual/issues/1743
• Fixed auto width text not processing markup https://github.com/Textualize/textual/issues/3918
• Fixed Tree.clear not retaining the root's expanded state https://github.com/Textualize/textual/issues/3557

Changed

• Breaking change: Widget.move_child parameters before and after are now keyword-only https://github.com/Textualize/textual/pull/3896
• Style tweak to toasts https://github.com/Textualize/textual/pull/3955

Added

• Added textual.lazy https://github.com/Textualize/textual/pull/3936
• Added App.push_screen_wait https://github.com/Textualize/textual/pull/3955
• Added nesting of CSS https://github.com/Textualize/textual/pull/3946

0.46.0 - 2023-12-17

Fixed

• Disabled radio buttons could be selected with the keyboard https://github.com/Textualize/textual/issues/3839
• Fixed zero width scrollbars causing content to disappear https://github.com/Textualize/textual/issues/3886

Changed

• The tabs within a TabbedContent now prefix their IDs to stop any clash with their associated TabPane https://github.com/Textualize/textual/pull/3815
• Breaking change: tab is no longer a @on decorator selector for TabbedContent.TabActivated -- use pane instead https://github.com/Textualize/textual/pull/3815

Added

• Added Collapsible.title reactive attribute https://github.com/Textualize/textual/pull/3830
• Added a pane attribute to TabbedContent.TabActivated https://github.com/Textualize/textual/pull/3815
• Added caching of rules attributes and cache parameter to Stylesheet.apply https://github.com/Textualize/textual/pull/3880

0.45.1 - 2023-12-12

Fixed

• Fixed issues where styles wouldn't update if changed in mount. https://github.com/Textualize/textual/pull/3860

0.45.0 - 2023-12-12

Fixed

• Fixed DataTable.update_cell not raising an error with an invalid column key https://github.com/Textualize/textual/issues/3335
• Fixed Input showing suggestions when not focused https://github.com/Textualize/textual/pull/3808
• Fixed loading indicator not covering scrollbars https://github.com/Textualize/textual/pull/3816

Removed

• Removed renderables/align.py which was no longer used.

Changed

• Dropped ALLOW_CHILDREN flag introduced in 0.43.0 https://github.com/Textualize/textual/pull/3814
• Widgets with an auto height in an auto height container will now expand if they have no siblings https://github.com/Textualize/textual/pull/3814
• Breaking change: Removed limit_rules from Stylesheet.apply https://github.com/Textualize/textual/pull/3844

Added

• Added get_loading_widget to Widget and App customize the loading widget. https://github.com/Textualize/textual/pull/3816
• Added messages Collapsible.Expanded and Collapsible.Collapsed that inherit from Collapsible.Toggled. https://github.com/Textualize/textual/issues/3824

0.44.1 - 2023-12-4

Fixed

• Fixed slow scrolling when there are many widgets https://github.com/Textualize/textual/pull/3801

0.44.0 - 2023-12-1

Changed

• Breaking change: Dropped 3.7 support https://github.com/Textualize/textual/pull/3766
• Breaking changes https://github.com/Textualize/textual/issues/1530
• link-hover-background renamed to link-background-hover
• link-hover-color renamed to link-color-hover
• link-hover-style renamed to link-style-hover
• Tree now forces a scroll when scroll_to_node is called https://github.com/Textualize/textual/pull/3786
• Brought rxvt's use of shift-numpad keys in line with most other terminals https://github.com/Textualize/textual/pull/3769

Added

• Added support for Ctrl+Fn and Ctrl+Shift+Fn keys in urxvt https://github.com/Textualize/textual/pull/3737
• Friendly error messages when trying to mount non-widgets https://github.com/Textualize/textual/pull/3780
• Added Select.from_values class method that can be used to initialize a Select control with an iterator of values https://github.com/Textualize/textual/pull/3743

Fixed

• Fixed NoWidget when mouse goes outside window https://github.com/Textualize/textual/pull/3790
• Removed spurious print statements from press_keys https://github.com/Textualize/textual/issues/3785

0.43.2 - 2023-11-29

Fixed

• Fixed NoWidget error https://github.com/Textualize/textual/pull/3779

0.43.1 - 2023-11-29

Fixed

• Fixed clicking on scrollbar moves TextArea cursor https://github.com/Textualize/textual/issues/3763

0.43.0 - 2023-11-28

Fixed

• Fixed mouse targeting issue in TextArea when tabs were not fully expanded https://github.com/Textualize/textual/pull/3725
• Fixed Select not updating after changing the prompt reactive https://github.com/Textualize/textual/issues/2983
• Fixed flicker when updating Markdown https://github.com/Textualize/textual/pull/3757

Added

• Added experimental Canvas class https://github.com/Textualize/textual/pull/3669/
• Added keyline rule https://github.com/Textualize/textual/pull/3669/
• Widgets can now have an ALLOW_CHILDREN (bool) classvar to disallow adding children to a widget https://github.com/Textualize/textual/pull/3758
• Added the ability to set the label property of a Checkbox https://github.com/Textualize/textual/pull/3765
• Added the ability to set the label property of a RadioButton https://github.com/Textualize/textual/pull/3765
• Added support for various modified edit and navigation keys in urxvt https://github.com/Textualize/textual/pull/3739
• Added app focus/blur for textual-web https://github.com/Textualize/textual/pull/3767

Changed

• Method MarkdownTableOfContents.set_table_of_contents renamed to MarkdownTableOfContents.rebuild_table_of_contents https://github.com/Textualize/textual/pull/3730
• Exception Tree.UnknownNodeID moved out of Tree, import from textual.widgets.tree https://github.com/Textualize/textual/pull/3730
• Exception TreeNode.RemoveRootError moved out of TreeNode, import from textual.widgets.tree https://github.com/Textualize/textual/pull/3730
• Optimized startup time https://github.com/Textualize/textual/pull/3753
• App.COMMANDS or Screen.COMMANDS can now accept a callable which returns a command palette provider https://github.com/Textualize/textual/pull/3756

0.42.0 - 2023-11-22

Fixed

• Duplicate CSS errors when parsing CSS from a screen https://github.com/Textualize/textual/issues/3581
• Added missing blur pseudo class https://github.com/Textualize/textual/issues/3439
• Fixed visual glitched characters on Windows due to Python limitation https://github.com/Textualize/textual/issues/2548
• Fixed ScrollableContainer to receive focus https://github.com/Textualize/textual/pull/3632
• Fixed app-level queries causing a crash when the command palette is active https://github.com/Textualize/textual/issues/3633
• Fixed outline not rendering correctly in some scenarios (e.g. on Button widgets) https://github.com/Textualize/textual/issues/3628
• Fixed live-reloading of screen CSS https://github.com/Textualize/textual/issues/3454
• Select.value could be in an invalid state https://github.com/Textualize/textual/issues/3612
• Off-by-one in CSS error reporting https://github.com/Textualize/textual/issues/3625
• Loading indicators and app notifications overlapped in the wrong order https://github.com/Textualize/textual/issues/3677
• Widgets being loaded are disabled and have their scrolling explicitly disabled too https://github.com/Textualize/textual/issues/3677
• Method render on a widget could be called before mounting said widget https://github.com/Textualize/textual/issues/2914

Added

• Exceptions to textual.widgets.select https://github.com/Textualize/textual/pull/3614
  • InvalidSelectValueError for when setting a Select to an invalid value
  • EmptySelectError when creating/setting a Select to have no options when allow_blank is False
• Select methods https://github.com/Textualize/textual/pull/3614
  • clear
  • is_blank
• Constant Select.BLANK to flag an empty selection https://github.com/Textualize/textual/pull/3614
• Added restrict, type, max_length, and valid_empty to Input https://github.com/Textualize/textual/pull/3657
• Added Pilot.mouse_down to simulate MouseDown events https://github.com/Textualize/textual/pull/3495
• Added Pilot.mouse_up to simulate MouseUp events https://github.com/Textualize/textual/pull/3495
• Added Widget.is_mounted property https://github.com/Textualize/textual/pull/3709
• Added TreeNode.refresh https://github.com/Textualize/textual/pull/3639

Changed

• CSS error reporting will no longer provide links to the files in question https://github.com/Textualize/textual/pull/3582
• inline CSS error reporting will report widget/class variable where the CSS was read from https://github.com/Textualize/textual/pull/3582
• Breaking change: Tree.refresh_line has now become an internal https://github.com/Textualize/textual/pull/3639
• Breaking change: Setting Select.value to None no longer clears the selection (See Select.BLANK and Select.clear) https://github.com/Textualize/textual/pull/3614
• Breaking change: Button no longer inherits from Static, now it inherits directly from Widget https://github.com/Textualize/textual/issues/3603
• Rich markup in markdown headings is now escaped when building the TOC https://github.com/Textualize/textual/issues/3689
• Mechanics behind mouse clicks. See this for more details. https://github.com/Textualize/textual/pull/3495
• Breaking change: max/min-width/height now includes padding and border. https://github.com/Textualize/textual/pull/3712

0.41.0 - 2023-10-31

Fixed

• Fixed Input.cursor_blink reactive not changing blink state after Input was mounted https://github.com/Textualize/textual/pull/3498
• Fixed Tabs.active attribute value not being re-assigned after removing a tab or clearing https://github.com/Textualize/textual/pull/3498
• Fixed DirectoryTree race-condition crash when changing path https://github.com/Textualize/textual/pull/3498
• Fixed issue with LRUCache.discard https://github.com/Textualize/textual/issues/3537
• Fixed DataTable not scrolling to rows that were just added https://github.com/Textualize/textual/pull/3552
• Fixed cache bug with DataTable.update_cell https://github.com/Textualize/textual/pull/3551
• Fixed CSS errors being repeated https://github.com/Textualize/textual/pull/3566
• Fix issue with chunky highlights on buttons https://github.com/Textualize/textual/pull/3571
• Fixed OptionList event leakage from CommandPalette to App.
• Fixed crash in LoadingIndicator https://github.com/Textualize/textual/pull/3498
• Fixed crash when Tabs appeared as a descendant of TabbedContent in the DOM https://github.com/Textualize/textual/pull/3602
• Fixed the command palette cancelling other workers https://github.com/Textualize/textual/issues/3615

Added

• Add Document get_index_from_location / get_location_from_index https://github.com/Textualize/textual/pull/3410
• Add setter for TextArea.text https://github.com/Textualize/textual/discussions/3525
• Added key argument to the DataTable.sort() method, allowing the table to be sorted using a custom function (or other callable) https://github.com/Textualize/textual/pull/3090
• Added initial to all css rules, which restores default (i.e. value from DEFAULT_CSS) https://github.com/Textualize/textual/pull/3566
• Added HorizontalPad to pad.py https://github.com/Textualize/textual/pull/3571
• Added AwaitComplete class, to be used for optionally awaitable return values https://github.com/Textualize/textual/pull/3498

Changed

• Breaking change: Button.ACTIVE_EFFECT_DURATION classvar converted to Button.active_effect_duration attribute https://github.com/Textualize/textual/pull/3498
• Breaking change: Input.blink_timer made private (renamed to Input._blink_timer) https://github.com/Textualize/textual/pull/3498
• Breaking change: Input.cursor_blink reactive updated to not run on mount (now init=False) https://github.com/Textualize/textual/pull/3498
• Breaking change: AwaitTabbedContent class removed https://github.com/Textualize/textual/pull/3498
• Breaking change: Tabs.remove_tab now returns an AwaitComplete instead of an AwaitRemove https://github.com/Textualize/textual/pull/3498
• Breaking change: Tabs.clear now returns an AwaitComplete instead of an AwaitRemove https://github.com/Textualize/textual/pull/3498
• TabbedContent.add_pane now returns an AwaitComplete instead of an AwaitTabbedContent https://github.com/Textualize/textual/pull/3498
• TabbedContent.remove_pane now returns an AwaitComplete instead of an AwaitTabbedContent https://github.com/Textualize/textual/pull/3498
• TabbedContent.clear_pane now returns an AwaitComplete instead of an AwaitTabbedContent https://github.com/Textualize/textual/pull/3498
• Tabs.add_tab now returns an AwaitComplete instead of an AwaitMount https://github.com/Textualize/textual/pull/3498
• DirectoryTree.reload now returns an AwaitComplete, which may be awaited to ensure the node has finished being processed by the internal queue https://github.com/Textualize/textual/pull/3498
• Tabs.remove_tab now returns an AwaitComplete, which may be awaited to ensure the tab is unmounted and internal state is updated https://github.com/Textualize/textual/pull/3498
• App.switch_mode now returns an AwaitMount, which may be awaited to ensure the screen is mounted https://github.com/Textualize/textual/pull/3498
• Buttons will now display multiple lines, and have auto height https://github.com/Textualize/textual/pull/3539
• DataTable now has a max-height of 100vh rather than 100%, which doesn't work with auto
• Breaking change: empty rules now result in an error https://github.com/Textualize/textual/pull/3566
• Improved startup time by caching CSS parsing https://github.com/Textualize/textual/pull/3575
• Workers are now created/run in a thread-safe way https://github.com/Textualize/textual/pull/3586

0.40.0 - 2023-10-11

Added

• Added loading reactive property to widgets https://github.com/Textualize/textual/pull/3509

0.39.0 - 2023-10-10

Fixed

• Pilot.click/Pilot.hover can't use Screen as a selector https://github.com/Textualize/textual/issues/3395
• App exception when a Tree is initialized/mounted with disabled=True https://github.com/Textualize/textual/issues/3407
• Fixed print locations not being correctly reported in textual console https://github.com/Textualize/textual/issues/3237
• Fix location of IME and emoji popups https://github.com/Textualize/textual/pull/3408
• Fixed application freeze when pasting an emoji into an application on Windows https://github.com/Textualize/textual/issues/3178
• Fixed duplicate option ID handling in the OptionList https://github.com/Textualize/textual/issues/3455
• Fix crash when removing and updating DataTable cell at same time https://github.com/Textualize/textual/pull/3487
• Fixed fractional styles to allow integer values https://github.com/Textualize/textual/issues/3414
• Stop eating stdout/stderr in headless mode - print works again in tests https://github.com/Textualize/textual/pull/3486

Added

• OutOfBounds exception to be raised by Pilot https://github.com/Textualize/textual/pull/3360
• TextArea.cursor_screen_offset property for getting the screen-relative position of the cursor https://github.com/Textualize/textual/pull/3408
• Input.cursor_screen_offset property for getting the screen-relative position of the cursor https://github.com/Textualize/textual/pull/3408
• Reactive cell_padding (and respective parameter) to define horizontal cell padding in data table columns https://github.com/Textualize/textual/issues/3435
• Added Input.clear method https://github.com/Textualize/textual/pull/3430
• Added TextArea.SelectionChanged and TextArea.Changed messages https://github.com/Textualize/textual/pull/3442
• Added wait_for_dismiss parameter to App.push_screen https://github.com/Textualize/textual/pull/3477
• Allow scrollbar-size to be set to 0 to achieve scrollable containers with no visible scrollbars https://github.com/Textualize/textual/pull/3488

Changed

• Breaking change: tree-sitter and tree-sitter-languages dependencies moved to syntax extra https://github.com/Textualize/textual/pull/3398
• Pilot.click/Pilot.hover now raises OutOfBounds when clicking outside visible screen https://github.com/Textualize/textual/pull/3360
• Pilot.click/Pilot.hover now return a Boolean indicating whether the click/hover landed on the widget that matches the selector https://github.com/Textualize/textual/pull/3360
• Added a delay to when the No Matches message appears in the command palette, thus removing a flicker https://github.com/Textualize/textual/pull/3399
• Timer callbacks are now typed more loosely https://github.com/Textualize/textual/issues/3434

0.38.1 - 2023-09-21

Fixed

• Hotfix - added missing highlight files in build distribution https://github.com/Textualize/textual/pull/3370

0.38.0 - 2023-09-21

Added

• Added a TextArea https://github.com/Textualize/textual/pull/2931
• Added :dark and :light pseudo classes

Fixed

• Fixed DataTable not updating component styles on hot-reloading https://github.com/Textualize/textual/issues/3312

Changed

• Breaking change: CSS in DEFAULT_CSS is now automatically scoped to the widget (set SCOPED_CSS=False) to disable
• Breaking change: Changed Markdown.goto_anchor to return a boolean (if the anchor was found) instead of None https://github.com/Textualize/textual/pull/3334

0.37.1 - 2023-09-16

Fixed

• Fixed the command palette crashing with a TimeoutError in any Python before 3.11 https://github.com/Textualize/textual/issues/3320
• Fixed Input event leakage from CommandPalette to App.

0.37.0 - 2023-09-15

Added

• Added the command palette https://github.com/Textualize/textual/pull/3058
• Input is now validated when focus moves out of it https://github.com/Textualize/textual/pull/3193
• Attribute Input.validate_on (and __init__ parameter of the same name) to customise when validation occurs https://github.com/Textualize/textual/pull/3193
• Screen-specific (sub-)title attributes https://github.com/Textualize/textual/pull/3199:
  • Screen.TITLE
  • Screen.SUB_TITLE
  • Screen.title
  • Screen.sub_title
• Properties Header.screen_title and Header.screen_sub_title https://github.com/Textualize/textual/pull/3199
• Added DirectoryTree.DirectorySelected message https://github.com/Textualize/textual/issues/3200
• Added widgets.Collapsible contributed by Sunyoung Yoo https://github.com/Textualize/textual/pull/2989

Fixed

• Fixed a crash when removing an option from an OptionList while the mouse is hovering over the last option https://github.com/Textualize/textual/issues/3270
• Fixed a crash in MarkdownViewer when clicking on a link that contains an anchor https://github.com/Textualize/textual/issues/3094
• Fixed wrong message pump in pop_screen https://github.com/Textualize/textual/pull/3315

Changed

• Widget.notify and App.notify are now thread-safe https://github.com/Textualize/textual/pull/3275
• Breaking change: Widget.notify and App.notify now return None https://github.com/Textualize/textual/pull/3275
• App.unnotify is now private (renamed to App._unnotify) https://github.com/Textualize/textual/pull/3275
• Markdown.load will now attempt to scroll to a related heading if an anchor is provided https://github.com/Textualize/textual/pull/3244
• ProgressBar explicitly supports being set back to its indeterminate state https://github.com/Textualize/textual/pull/3286

0.36.0 - 2023-09-05

Added

• TCSS styles layer and layers can be strings https://github.com/Textualize/textual/pull/3169
• App.return_code for the app return code https://github.com/Textualize/textual/pull/3202
• Added animate switch to Tree.scroll_to_line and Tree.scroll_to_node https://github.com/Textualize/textual/pull/3210
• Added Rule widget https://github.com/Textualize/textual/pull/3209
• Added App.current_mode to get the current mode https://github.com/Textualize/textual/pull/3233

Changed

• Reactive callbacks are now scheduled on the message pump of the reactable that is watching instead of the owner of reactive attribute https://github.com/Textualize/textual/pull/3065
• Callbacks scheduled with call_next will now have the same prevented messages as when the callback was scheduled https://github.com/Textualize/textual/pull/3065
• Added cursor_type to the DataTable constructor.
• Fixed push_screen not updating Screen.CSS styles https://github.com/Textualize/textual/issues/3217
• DataTable.add_row accepts height=None to automatically compute optimal height for a row https://github.com/Textualize/textual/pull/3213

Fixed

• Fixed flicker when calling pop_screen multiple times https://github.com/Textualize/textual/issues/3126
• Fixed setting styles.layout not updating https://github.com/Textualize/textual/issues/3047
• Fixed flicker when scrolling tree up or down a line https://github.com/Textualize/textual/issues/3206

0.35.1

Fixed

• Fixed flash of 80x24 interface in textual-web

0.35.0

Added

• Ability to enable/disable tabs via the reactive disabled in tab panes https://github.com/Textualize/textual/pull/3152
• Textual-web driver support for Windows

Fixed

• Could not hide/show/disable/enable tabs in nested TabbedContent https://github.com/Textualize/textual/pull/3150

0.34.0 - 2023-08-22

Added

• Methods TabbedContent.disable_tab and TabbedContent.enable_tab https://github.com/Textualize/textual/pull/3112
• Methods Tabs.disable and Tabs.enable https://github.com/Textualize/textual/pull/3112
• Messages Tab.Disabled, Tab.Enabled, Tabs.TabDisabled and Tabs.Enabled https://github.com/Textualize/textual/pull/3112
• Methods TabbedContent.hide_tab and TabbedContent.show_tab https://github.com/Textualize/textual/pull/3112
• Methods Tabs.hide and Tabs.show https://github.com/Textualize/textual/pull/3112
• Messages Tabs.TabHidden and Tabs.TabShown https://github.com/Textualize/textual/pull/3112
• Added ListView.extend method to append multiple items https://github.com/Textualize/textual/pull/3012

Changed

• grid-columns and grid-rows now accept an auto token to detect the optimal size https://github.com/Textualize/textual/pull/3107
• LoadingIndicator now has a minimum height of 1 line.

Fixed

• Fixed auto height container with default grid-rows https://github.com/Textualize/textual/issues/1597
• Fixed page_up and page_down bug in DataTable when show_header = False https://github.com/Textualize/textual/pull/3093
• Fixed issue with visible children inside invisible container when moving focus https://github.com/Textualize/textual/issues/3053

0.33.0 - 2023-08-15

Fixed

• Fixed unintuitive sizing behaviour of TabbedContent https://github.com/Textualize/textual/issues/2411
• Fixed relative units not always expanding auto containers https://github.com/Textualize/textual/pull/3059
• Fixed background refresh https://github.com/Textualize/textual/issues/3055
• Fixed SelectionList.clear_options https://github.com/Textualize/textual/pull/3075
• MouseMove events bubble up from widgets. App and Screen receive MouseMove events even if there's no Widget under the cursor. https://github.com/Textualize/textual/issues/2905
• Fixed click on double-width char https://github.com/Textualize/textual/issues/2968

Changed

• Breaking change: DOMNode.visible now takes into account full DOM to report whether a node is visible or not.

Removed

• Property Widget.focusable_children https://github.com/Textualize/textual/pull/3070

Added

• Added an interface for replacing prompt of an individual option in an OptionList https://github.com/Textualize/textual/issues/2603
• Added DirectoryTree.reload_node method https://github.com/Textualize/textual/issues/2757
• Added widgets.Digit https://github.com/Textualize/textual/pull/3073
• Added BORDER_TITLE and BORDER_SUBTITLE classvars to Widget https://github.com/Textualize/textual/pull/3097

Changed

• DescendantBlur and DescendantFocus can now be used with @on decorator

0.32.0 - 2023-08-03

Added

• Added widgets.Log
• Added Widget.is_vertical_scroll_end, Widget.is_horizontal_scroll_end, Widget.is_vertical_scrollbar_grabbed, Widget.is_horizontal_scrollbar_grabbed

Changed

• Breaking change: Renamed TextLog to RichLog

0.31.0 - 2023-08-01

Added

• Added App.begin_capture_print, App.end_capture_print, Widget.begin_capture_print, Widget.end_capture_print https://github.com/Textualize/textual/issues/2952
• Added the ability to run async methods as thread workers https://github.com/Textualize/textual/pull/2938
• Added App.stop_animation https://github.com/Textualize/textual/issues/2786
• Added Widget.stop_animation https://github.com/Textualize/textual/issues/2786

Changed

• Breaking change: Creating a thread worker now requires that a thread=True keyword argument is passed https://github.com/Textualize/textual/pull/2938
• Breaking change: Markdown.load no longer captures all errors and returns a bool, errors now propagate https://github.com/Textualize/textual/issues/2956
• Breaking change: the default style of a DataTable now has max-height: 100% https://github.com/Textualize/textual/issues/2959

Fixed

• Fixed a crash when a SelectionList had a prompt wider than itself https://github.com/Textualize/textual/issues/2900
• Fixed a bug where Click events were bubbling up from Switch widgets https://github.com/Textualize/textual/issues/2366
• Fixed a crash when using empty CSS variables https://github.com/Textualize/textual/issues/1849
• Fixed issue with tabs in TextLog https://github.com/Textualize/textual/issues/3007
• Fixed a bug with DataTable hover highlighting https://github.com/Textualize/textual/issues/2909

0.30.0 - 2023-07-17

Added

• Added DataTable.remove_column method https://github.com/Textualize/textual/pull/2899
• Added notifications https://github.com/Textualize/textual/pull/2866
• Added on_complete callback to scroll methods https://github.com/Textualize/textual/pull/2903

Fixed

• Fixed CancelledError issue with timer https://github.com/Textualize/textual/issues/2854
• Fixed Toggle Buttons issue with not being clickable/hoverable https://github.com/Textualize/textual/pull/2930

0.29.0 - 2023-07-03

Changed

• Factored dev tools (textual command) in to external lib (textual-dev).

Added

• Updated DataTable.get_cell type hints to accept string keys https://github.com/Textualize/textual/issues/2586
• Added DataTable.get_cell_coordinate method
• Added DataTable.get_row_index method https://github.com/Textualize/textual/issues/2587
• Added DataTable.get_column_index method
• Added can-focus pseudo-class to target widgets that may receive focus
• Make Markdown.update optionally awaitable https://github.com/Textualize/textual/pull/2838
• Added default parameter to DataTable.add_column for populating existing rows https://github.com/Textualize/textual/pull/2836
• Added can-focus pseudo-class to target widgets that may receive focus

Fixed

• Fixed crash when columns were added to populated DataTable https://github.com/Textualize/textual/pull/2836
• Fixed issues with opacity on Screens https://github.com/Textualize/textual/issues/2616
• Fixed style problem with selected selections in a non-focused selection list https://github.com/Textualize/textual/issues/2768
• Fixed sys.stdout and sys.stderr being None https://github.com/Textualize/textual/issues/2879

0.28.1 - 2023-06-20

Fixed

• Fixed indented code blocks not showing up in Markdown https://github.com/Textualize/textual/issues/2781
• Fixed inline code blocks in lists showing out of order in Markdown https://github.com/Textualize/textual/issues/2676
• Fixed list items in a Markdown being added to the focus chain https://github.com/Textualize/textual/issues/2380
• Fixed Tabs posting unnecessary messages when removing non-active tabs https://github.com/Textualize/textual/issues/2807
• call_after_refresh will preserve the sender within the callback https://github.com/Textualize/textual/pull/2806

Added

• Added a method of allowing third party code to handle unhandled tokens in Markdown https://github.com/Textualize/textual/pull/2803
• Added MarkdownBlock as an exported symbol in textual.widgets.markdown https://github.com/Textualize/textual/pull/2803

Changed

• Tooltips are now inherited, so will work with compound widgets

0.28.0 - 2023-06-19

Added

• The devtools console now confirms when CSS files have been successfully loaded after a previous error https://github.com/Textualize/textual/pull/2716
• Class variable CSS to screens https://github.com/Textualize/textual/issues/2137
• Class variable CSS_PATH to screens https://github.com/Textualize/textual/issues/2137
• Added cursor_foreground_priority and cursor_background_priority to DataTable https://github.com/Textualize/textual/pull/2736
• Added Region.center
• Added center parameter to Widget.scroll_to_region
• Added origin_visible parameter to Widget.scroll_to_region
• Added origin_visible parameter to Widget.scroll_to_center
• Added TabbedContent.tab_count https://github.com/Textualize/textual/pull/2751
• Added TabbedContent.add_pane https://github.com/Textualize/textual/pull/2751
• Added TabbedContent.remove_pane https://github.com/Textualize/textual/pull/2751
• Added TabbedContent.clear_panes https://github.com/Textualize/textual/pull/2751
• Added TabbedContent.Cleared https://github.com/Textualize/textual/pull/2751

Fixed

• Fixed setting TreeNode.label on an existing Tree node not immediately refreshing https://github.com/Textualize/textual/pull/2713
• Correctly implement __eq__ protocol in DataTable https://github.com/Textualize/textual/pull/2705
• Fixed exceptions in Pilot tests being silently ignored https://github.com/Textualize/textual/pull/2754
• Fixed issue where internal data of OptionList could be invalid for short window after clear_options https://github.com/Textualize/textual/pull/2754
• Fixed Tooltip causing a query_one on a lone Static to fail https://github.com/Textualize/textual/issues/2723
• Nested widgets wouldn't lose focus when parent is disabled https://github.com/Textualize/textual/issues/2772
• Fixed the Tabs Underline highlight getting "lost" in some extreme situations https://github.com/Textualize/textual/pull/2751

Changed

• Breaking change: The @on decorator will now match a message class and any child classes https://github.com/Textualize/textual/pull/2746
• Breaking change: Styles update to checkbox, radiobutton, OptionList, Select, SelectionList, Switch https://github.com/Textualize/textual/pull/2777
• Tabs.add_tab is now optionally awaitable https://github.com/Textualize/textual/pull/2778
• Tabs.add_tab now takes before and after arguments to position a new tab https://github.com/Textualize/textual/pull/2778
• Tabs.remove_tab is now optionally awaitable https://github.com/Textualize/textual/pull/2778
• Breaking change: Tabs.clear has been changed from returning self to being optionally awaitable https://github.com/Textualize/textual/pull/2778

0.27.0 - 2023-06-01

Fixed

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

Added

• work decorator accepts description parameter to add debug string https://github.com/Textualize/textual/issues/2597
• Added SelectionList widget https://github.com/Textualize/textual/pull/2652
• App.AUTO_FOCUS to set auto focus on all screens https://github.com/Textualize/textual/issues/2594
• Option to scroll_to_center to ensure we don't scroll such that the top left corner of the widget is not visible https://github.com/Textualize/textual/pull/2682
• Added Widget.tooltip property https://github.com/Textualize/textual/pull/2670
• Added Region.inflect https://github.com/Textualize/textual/pull/2670
• Suggester API to compose with widgets for automatic suggestions https://github.com/Textualize/textual/issues/2330
• SuggestFromList class to let widgets get completions from a fixed set of options https://github.com/Textualize/textual/pull/2604
• Input has a new component class input--suggestion https://github.com/Textualize/textual/pull/2604
• Added Widget.remove_children https://github.com/Textualize/textual/pull/2657
• Added Validator framework and validation for Input https://github.com/Textualize/textual/pull/2600
• Ability to have private and public validate methods https://github.com/Textualize/textual/pull/2708
• Ability to have private compute methods https://github.com/Textualize/textual/pull/2708
• Added message_hook to App.run_test https://github.com/Textualize/textual/pull/2702
• Added Sparkline widget https://github.com/Textualize/textual/pull/2631

Changed

• Placeholder now sets its color cycle per app https://github.com/Textualize/textual/issues/2590
• Footer now clears key highlight regardless of whether it's in the active screen or not https://github.com/Textualize/textual/issues/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. https://github.com/Textualize/textual/pull/2623
• Setting Screen.AUTO_FOCUS to None will inherit AUTO_FOCUS from the app instead of disabling it https://github.com/Textualize/textual/issues/2594
• Setting Screen.AUTO_FOCUS to "" will disable it on the screen https://github.com/Textualize/textual/issues/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. https://github.com/Textualize/textual/issues/2528
• Tree and DirectoryTree Messages no longer accept a tree parameter, using self.node.tree instead. https://github.com/Textualize/textual/issues/2529
• Keybinding right in Input is also used to accept a suggestion if the cursor is at the end of the input https://github.com/Textualize/textual/pull/2604
• Input.__init__ now accepts a suggester attribute for completion suggestions https://github.com/Textualize/textual/pull/2604
• Using switch_screen to switch to the currently active screen is now a no-op https://github.com/Textualize/textual/pull/2692
• Breaking change: removed reactive.py::Reactive.var in favor of reactive.py::var https://github.com/Textualize/textual/pull/2709/

Removed

• Placeholder.reset_color_cycle
• Removed Widget.reset_focus (now called Widget.blur) https://github.com/Textualize/textual/issues/2642

0.26.0 - 2023-05-20

Added

• Added Widget.can_view

Changed

• Textual will now scroll focused widgets to center if not in view

0.25.0 - 2023-05-17

Changed

• App title and sub_title attributes can be set to any type https://github.com/Textualize/textual/issues/2521
• DirectoryTree now loads directory contents in a worker https://github.com/Textualize/textual/issues/2456
• Only a single error will be written by default, unless in dev mode ("debug" in App.features) https://github.com/Textualize/textual/issues/2480
• Using Widget.move_child where the target and the child being moved are the same is now a no-op https://github.com/Textualize/textual/issues/1743
• Calling dismiss on a screen that is not at the top of the stack now raises an exception https://github.com/Textualize/textual/issues/2575
• MessagePump.call_after_refresh and MessagePump.call_later will now return False if the callback could not be scheduled. https://github.com/Textualize/textual/pull/2584

Fixed

• Fixed ZeroDivisionError in resolve_fraction_unit https://github.com/Textualize/textual/issues/2502
• Fixed TreeNode.expand and TreeNode.expand_all not posting a Tree.NodeExpanded message https://github.com/Textualize/textual/issues/2535
• Fixed TreeNode.collapse and TreeNode.collapse_all not posting a Tree.NodeCollapsed message https://github.com/Textualize/textual/issues/2535
• Fixed TreeNode.toggle and TreeNode.toggle_all not posting a Tree.NodeExpanded or Tree.NodeCollapsed message https://github.com/Textualize/textual/issues/2535
• footer--description component class was being ignored https://github.com/Textualize/textual/issues/2544
• Pasting empty selection in Input would raise an exception https://github.com/Textualize/textual/issues/2563
• Screen.AUTO_FOCUS now focuses the first focusable widget that matches the selector https://github.com/Textualize/textual/issues/2578
• Screen.AUTO_FOCUS now works on the default screen on startup https://github.com/Textualize/textual/pull/2581
• Fix for setting dark in App __init__ https://github.com/Textualize/textual/issues/2583
• Fix issue with scrolling and docks https://github.com/Textualize/textual/issues/2525
• Fix not being able to use CSS classes with Tab https://github.com/Textualize/textual/pull/2589

Added

• Class variable AUTO_FOCUS to screens https://github.com/Textualize/textual/issues/2457
• Added NULL_SPACING and NULL_REGION to geometry.py

0.24.1 - 2023-05-08

Fixed

• Fix TypeError in code browser

0.24.0 - 2023-05-08

Fixed

• Fixed crash when creating a DirectoryTree starting anywhere other than .
• Fixed line drawing in Tree when Tree.show_root is True https://github.com/Textualize/textual/issues/2397
• Fixed line drawing in Tree not marking branches as selected when first getting focus https://github.com/Textualize/textual/issues/2397

Changed

• The DataTable cursor is now scrolled into view when the cursor coordinate is changed programmatically https://github.com/Textualize/textual/issues/2459
• run_worker exclusive parameter is now False by default https://github.com/Textualize/textual/pull/2470
• Added always_update as an optional argument for reactive.var
• Made Binding description default to empty string, which is equivalent to show=False https://github.com/Textualize/textual/pull/2501
• Modified Message to allow it to be used as a dataclass https://github.com/Textualize/textual/pull/2501
• Decorator @on accepts arbitrary **kwargs to apply selectors to attributes of the message https://github.com/Textualize/textual/pull/2498

Added

• Property control as alias for attribute tabs in Tabs messages https://github.com/Textualize/textual/pull/2483
• Experimental: Added "overlay" rule https://github.com/Textualize/textual/pull/2501
• Experimental: Added "constrain" rule https://github.com/Textualize/textual/pull/2501
• Added textual.widgets.Select https://github.com/Textualize/textual/pull/2501
• Added Region.translate_inside https://github.com/Textualize/textual/pull/2501
• TabbedContent now takes kwargs id, name, classes, and disabled, upon initialization, like other widgets https://github.com/Textualize/textual/pull/2497
• Method DataTable.move_cursor https://github.com/Textualize/textual/issues/2472
• Added OptionList.add_options https://github.com/Textualize/textual/pull/2508
• Added TreeNode.is_root https://github.com/Textualize/textual/pull/2510
• Added TreeNode.remove_children https://github.com/Textualize/textual/pull/2510
• Added TreeNode.remove https://github.com/Textualize/textual/pull/2510
• Added classvar Message.ALLOW_SELECTOR_MATCH https://github.com/Textualize/textual/pull/2498
• Added ALLOW_SELECTOR_MATCH to all built-in messages associated with widgets https://github.com/Textualize/textual/pull/2498
• Markdown document sub-widgets now reference the container document
• Table of contents of a markdown document now references the document
• Added the control property to messages
  • DirectoryTree.FileSelected
  • ListView
    • Highlighted
    • Selected
  • Markdown
    • TableOfContentsUpdated
    • TableOfContentsSelected
    • LinkClicked
  • OptionList
    • OptionHighlighted
    • OptionSelected
  • RadioSet.Changed
  • TabContent.TabActivated
  • Tree
    • NodeSelected
    • NodeHighlighted
    • NodeExpanded
    • NodeCollapsed

0.23.0 - 2023-05-03

Fixed

• Fixed outline top and bottom not handling alpha - https://github.com/Textualize/textual/issues/2371
• Fixed !important not applying to align https://github.com/Textualize/textual/issues/2420
• Fixed !important not applying to border https://github.com/Textualize/textual/issues/2420
• Fixed !important not applying to content-align https://github.com/Textualize/textual/issues/2420
• Fixed !important not applying to outline https://github.com/Textualize/textual/issues/2420
• Fixed !important not applying to overflow https://github.com/Textualize/textual/issues/2420
• Fixed !important not applying to scrollbar-size https://github.com/Textualize/textual/issues/2420
• Fixed outline-right not being recognised https://github.com/Textualize/textual/issues/2446
• Fixed OSError when a file system is not available https://github.com/Textualize/textual/issues/2468

Changed

• Setting attributes with a compute_ method will now raise an AttributeError https://github.com/Textualize/textual/issues/2383
• Unknown psuedo-selectors will now raise a tokenizer error (previously they were silently ignored) https://github.com/Textualize/textual/pull/2445
• Breaking change: DirectoryTree.FileSelected.path is now always a Path https://github.com/Textualize/textual/issues/2448
• Breaking change: Directorytree.load_directory renamed to Directorytree._load_directory https://github.com/Textualize/textual/issues/2448
• Unknown pseudo-selectors will now raise a tokenizer error (previously they were silently ignored) https://github.com/Textualize/textual/pull/2445

Added

• Watch methods can now optionally be private https://github.com/Textualize/textual/issues/2382
• Added DirectoryTree.path reactive attribute https://github.com/Textualize/textual/issues/2448
• Added DirectoryTree.FileSelected.node https://github.com/Textualize/textual/pull/2463
• Added DirectoryTree.reload https://github.com/Textualize/textual/issues/2448
• Added textual.on decorator https://github.com/Textualize/textual/issues/2398

0.22.3 - 2023-04-29

Fixed

• Fixed textual run on Windows https://github.com/Textualize/textual/issues/2406
• Fixed top border of button hover state

0.22.2 - 2023-04-29

Added

• Added TreeNode.tree as a read-only public attribute https://github.com/Textualize/textual/issues/2413

Fixed

• Fixed superfluous style updates for focus-within pseudo-selector

0.22.1 - 2023-04-28

Fixed

• Fixed timer issue https://github.com/Textualize/textual/issues/2416
• Fixed textual run issue https://github.com/Textualize/textual/issues/2391

0.22.0 - 2023-04-27

Fixed

• Fixed broken fr units when there is a min or max dimension https://github.com/Textualize/textual/issues/2378
• Fixed plain text in Markdown code blocks with no syntax being difficult to read https://github.com/Textualize/textual/issues/2400

Added

• Added ProgressBar widget https://github.com/Textualize/textual/pull/2333

Changed

• All textual.containers are now 1fr in relevant dimensions by default https://github.com/Textualize/textual/pull/2386

0.21.0 - 2023-04-26

Changed

• textual run execs apps in a new context.
• Textual console no longer parses console markup.
• Breaking change: Container no longer shows required scrollbars by default https://github.com/Textualize/textual/issues/2361
• Breaking change: VerticalScroll no longer shows a required horizontal scrollbar by default
• Breaking change: HorizontalScroll no longer shows a required vertical scrollbar by default
• Breaking change: Renamed App.action_add_class_ to App.action_add_class
• Breaking change: Renamed App.action_remove_class_ to App.action_remove_class
• Breaking change: RadioSet is now a single focusable widget https://github.com/Textualize/textual/pull/2372
• Breaking change: Removed containers.Content (use containers.VerticalScroll now)

Added

• Added -c switch to textual run which runs commands in a Textual dev environment.
• Breaking change: standard keyboard scrollable navigation bindings have been moved off Widget and onto a new base class for scrollable containers (see also below addition) https://github.com/Textualize/textual/issues/2332
• ScrollView now inherits from ScrollableContainer rather than Widget https://github.com/Textualize/textual/issues/2332
• Containers no longer inherit any bindings from Widget https://github.com/Textualize/textual/issues/2331
• Added ScrollableContainer; a container class that binds the common navigation keys to scroll actions (see also above breaking change) https://github.com/Textualize/textual/issues/2332

Fixed

• Fixed dark mode toggles in a "child" screen not updating a "parent" screen https://github.com/Textualize/textual/issues/1999
• Fixed "panel" border not exposed via CSS
• Fixed TabbedContent.active changes not changing the actual content https://github.com/Textualize/textual/issues/2352
• Fixed broken color on macOS Terminal https://github.com/Textualize/textual/issues/2359

0.20.1 - 2023-04-18

Fix

• New fix for stuck tabs underline https://github.com/Textualize/textual/issues/2229

0.20.0 - 2023-04-18

Changed

• Changed signature of Driver. Technically a breaking change, but unlikely to affect anyone.
• Breaking change: Timer.start is now private, and returns None. There was no reason to call this manually, so unlikely to affect anyone.
• A clicked tab will now be scrolled to the center of its tab container https://github.com/Textualize/textual/pull/2276
• Style updates are now done immediately rather than on_idle https://github.com/Textualize/textual/pull/2304
• ButtonVariant is now exported from textual.widgets.button https://github.com/Textualize/textual/issues/2264
• HorizontalScroll and VerticalScroll are now focusable by default https://github.com/Textualize/textual/pull/2317

Added

• Added DataTable.remove_row method https://github.com/Textualize/textual/pull/2253
• option --port to the command textual console to specify which port the console should connect to https://github.com/Textualize/textual/pull/2258
• Widget.scroll_to_center method to scroll children to the center of container widget https://github.com/Textualize/textual/pull/2255 and https://github.com/Textualize/textual/pull/2276
• Added TabActivated message to TabbedContent https://github.com/Textualize/textual/pull/2260
• Added "panel" border style https://github.com/Textualize/textual/pull/2292
• Added border-title-color, border-title-background, border-title-style rules https://github.com/Textualize/textual/issues/2289
• Added border-subtitle-color, border-subtitle-background, border-subtitle-style rules https://github.com/Textualize/textual/issues/2289

Fixed

• Fixed order styles are applied in DataTable - allows combining of renderable styles and component classes https://github.com/Textualize/textual/pull/2272
• Fixed key combos with up/down keys in some terminals https://github.com/Textualize/textual/pull/2280
• Fix empty ListView preventing bindings from firing https://github.com/Textualize/textual/pull/2281
• Fix get_component_styles returning incorrect values on first call when combined with pseudoclasses https://github.com/Textualize/textual/pull/2304
• Fixed active_message_pump.get sometimes resulting in a LookupError https://github.com/Textualize/textual/issues/2301

0.19.1 - 2023-04-10

Fixed

• Fix viewport units using wrong viewport size https://github.com/Textualize/textual/pull/2247
• Fixed layout not clearing arrangement cache https://github.com/Textualize/textual/pull/2249

0.19.0 - 2023-04-07

Added

• Added support for filtering a DirectoryTree https://github.com/Textualize/textual/pull/2215

Changed

• Allowed border_title and border_subtitle to accept Text objects
• Added additional line around titles
• When a container is auto, relative dimensions in children stretch the container. https://github.com/Textualize/textual/pull/2221
• DataTable page up / down now move cursor

Fixed

• Fixed margin not being respected when width or height is "auto" https://github.com/Textualize/textual/issues/2220
• Fixed issue which prevent scroll_visible from working https://github.com/Textualize/textual/issues/2181
• Fixed missing tracebacks on Windows https://github.com/Textualize/textual/issues/2027

0.18.0 - 2023-04-04

Added

• Added Worker API https://github.com/Textualize/textual/pull/2182

Changed

• Breaking change: Markdown.update is no longer a coroutine https://github.com/Textualize/textual/pull/2182

Fixed

• RadioSet is now far less likely to report pressed_button as None https://github.com/Textualize/textual/issues/2203

0.17.3 - 2023-04-02

[Fixed]

• Fixed scrollable area not taking in to account dock https://github.com/Textualize/textual/issues/2188

0.17.2 - 2023-04-02

[Fixed]

• Fixed bindings persistance https://github.com/Textualize/textual/issues/1613
• The Markdown widget now auto-increments ordered lists https://github.com/Textualize/textual/issues/2002
• Fixed modal bindings https://github.com/Textualize/textual/issues/2194
• Fix binding enter to active button https://github.com/Textualize/textual/issues/2194

[Changed]

• tab and shift+tab are now defined on Screen.

0.17.1 - 2023-03-30

Fixed

• Fix cursor not hiding on Windows https://github.com/Textualize/textual/issues/2170
• Fixed freeze when ctrl-clicking links https://github.com/Textualize/textual/issues/2167 https://github.com/Textualize/textual/issues/2073

0.17.0 - 2023-03-29

Fixed

• Issue with parsing action strings whose arguments contained quoted closing parenthesis https://github.com/Textualize/textual/pull/2112
• Issues with parsing action strings with tuple arguments https://github.com/Textualize/textual/pull/2112
• Issue with watching for CSS file changes https://github.com/Textualize/textual/pull/2128
• Fix for tabs not invalidating https://github.com/Textualize/textual/issues/2125
• Fixed scrollbar layers issue https://github.com/Textualize/textual/issues/1358
• Fix for interaction between pseudo-classes and widget-level render caches https://github.com/Textualize/textual/pull/2155

Changed

• DataTable now has height: auto by default. https://github.com/Textualize/textual/issues/2117
• Textual will now render strings within renderables (such as tables) as Console Markup by default. You can wrap your text with rich.Text() if you want the original behavior. https://github.com/Textualize/textual/issues/2120
• Some widget methods now return self instead of None https://github.com/Textualize/textual/pull/2102:
  • Widget: refresh, focus, reset_focus
  • Button.press
  • DataTable: clear, refresh_coordinate, refresh_row, refresh_column, sort
  • Placehoder.cycle_variant
  • Switch.toggle
  • Tabs.clear
  • TextLog: write, clear
  • TreeNode: expand, expand_all, collapse, collapse_all, toggle, toggle_all
  • Tree: clear, reset
• Screens with alpha in their background color will now blend with the background. https://github.com/Textualize/textual/pull/2139
• Added "thick" border style. https://github.com/Textualize/textual/pull/2139
• message_pump.app will now set the active app if it is not already set.
• DataTable now has max height set to 100vh

Added

• Added auto_scroll attribute to TextLog https://github.com/Textualize/textual/pull/2127
• Added scroll_end switch to TextLog.write https://github.com/Textualize/textual/pull/2127
• Added Widget.get_pseudo_class_state https://github.com/Textualize/textual/pull/2155
• Added Screen.ModalScreen which prevents App from handling bindings. https://github.com/Textualize/textual/pull/2139
• Added TEXTUAL_LOG env var which should be a path that Textual will write verbose logs to (textual devtools is generally preferred) https://github.com/Textualize/textual/pull/2148
• Added textual.logging.TextualHandler logging handler
• Added Query.set_classes, DOMNode.set_classes, and classes setter for Widget https://github.com/Textualize/textual/issues/1081
• Added OptionList https://github.com/Textualize/textual/pull/2154

0.16.0 - 2023-03-22

Added

• Added parser_factory argument to Markdown and MarkdownViewer constructors https://github.com/Textualize/textual/pull/2075
• Added HorizontalScroll https://github.com/Textualize/textual/issues/1957
• Added Center https://github.com/Textualize/textual/issues/1957
• Added Middle https://github.com/Textualize/textual/issues/1957
• Added VerticalScroll (mimicking the old behaviour of Vertical) https://github.com/Textualize/textual/issues/1957
• Added Widget.border_title and Widget.border_subtitle to set border (sub)title for a widget https://github.com/Textualize/textual/issues/1864
• Added CSS styles border_title_align and border_subtitle_align.
• Added TabbedContent widget https://github.com/Textualize/textual/pull/2059
• Added get_child_by_type method to widgets / app https://github.com/Textualize/textual/pull/2059
• Added Widget.render_str method https://github.com/Textualize/textual/pull/2059
• Added TEXTUAL_DRIVER environment variable

Changed

• Dropped "loading-indicator--dot" component style from LoadingIndicator https://github.com/Textualize/textual/pull/2050
• Tabs widget now sends Tabs.Cleared when there is no active tab.
• Breaking change: changed default behaviour of Vertical (see VerticalScroll) https://github.com/Textualize/textual/issues/1957
• The default overflow style for Horizontal was changed to hidden hidden https://github.com/Textualize/textual/issues/1957
• DirectoryTree also accepts pathlib.Path objects as the path to list https://github.com/Textualize/textual/issues/1438

Removed

• Removed sender attribute from messages. It's now just private (_sender). https://github.com/Textualize/textual/pull/2071

Fixed

• Fixed borders not rendering correctly. https://github.com/Textualize/textual/pull/2074
• Fix for error when removing nodes. https://github.com/Textualize/textual/issues/2079

0.15.1 - 2023-03-14

Fixed

• Fixed how the namespace for messages is calculated to facilitate inheriting messages https://github.com/Textualize/textual/issues/1814
• Tab is now correctly made available from textual.widgets. https://github.com/Textualize/textual/issues/2044

0.15.0 - 2023-03-13

Fixed

• Fixed container not resizing when a widget is removed https://github.com/Textualize/textual/issues/2007
• Fixes issue where the horizontal scrollbar would be incorrectly enabled https://github.com/Textualize/textual/pull/2024

0.15.0 - 2023-03-13

Changed

• Fixed container not resizing when a widget is removed https://github.com/Textualize/textual/issues/2007
• Fixed issue where the horizontal scrollbar would be incorrectly enabled https://github.com/Textualize/textual/pull/2024
• Fixed Pilot.click not correctly creating the mouse events https://github.com/Textualize/textual/issues/2022
• Fixes issue where the horizontal scrollbar would be incorrectly enabled https://github.com/Textualize/textual/pull/2024
• Fixes for tracebacks not appearing on exit https://github.com/Textualize/textual/issues/2027

Added

• Added a LoadingIndicator widget https://github.com/Textualize/textual/pull/2018
• Added Tabs Widget https://github.com/Textualize/textual/pull/2020

Changed

• Breaking change: Renamed Widget.action and App.action to Widget.run_action and App.run_action
• Added shift, meta and control arguments to Pilot.click.

0.14.0 - 2023-03-09

Changed

• Breaking change: There is now only post_message to post events, which is non-async, post_message_no_wait was dropped. https://github.com/Textualize/textual/pull/1940
• Breaking change: The Timer class now has just one method to stop it, Timer.stop which is non sync https://github.com/Textualize/textual/pull/1940
• Breaking change: Messages don't require a sender in their constructor https://github.com/Textualize/textual/pull/1940
• Many messages have grown a control property which returns the control they relate to. https://github.com/Textualize/textual/pull/1940
• Updated styling to make it clear DataTable grows horizontally https://github.com/Textualize/textual/pull/1946
• Changed the Checkbox character due to issues with Windows Terminal and Windows 10 https://github.com/Textualize/textual/issues/1934
• Changed the RadioButton character due to issues with Windows Terminal and Windows 10 and 11 https://github.com/Textualize/textual/issues/1934
• Changed the Markdown initial bullet character due to issues with Windows Terminal and Windows 10 and 11 https://github.com/Textualize/textual/issues/1982
• The underscore _ is no longer a special alias for the method pilot.press

Added

• Added data_table attribute to DataTable events https://github.com/Textualize/textual/pull/1940
• Added list_view attribute to ListView events https://github.com/Textualize/textual/pull/1940
• Added radio_set attribute to RadioSet events https://github.com/Textualize/textual/pull/1940
• Added switch attribute to Switch events https://github.com/Textualize/textual/pull/1940
• Added hover and click methods to Pilot https://github.com/Textualize/textual/pull/1966
• Breaking change: Added toggle_button attribute to RadioButton and Checkbox events, replaces input https://github.com/Textualize/textual/pull/1940
• A percentage alpha can now be applied to a border https://github.com/Textualize/textual/issues/1863
• Added Color.multiply_alpha.
• Added ContentSwitcher https://github.com/Textualize/textual/issues/1945

Fixed

• Fixed bug that prevented pilot from pressing some keys https://github.com/Textualize/textual/issues/1815
• DataTable race condition that caused crash https://github.com/Textualize/textual/pull/1962
• Fixed scrollbar getting "stuck" to cursor when cursor leaves window during drag https://github.com/Textualize/textual/pull/1968 https://github.com/Textualize/textual/pull/2003
• DataTable crash when enter pressed when table is empty https://github.com/Textualize/textual/pull/1973

0.13.0 - 2023-03-02

Added

• Added Checkbox https://github.com/Textualize/textual/pull/1872
• Added RadioButton https://github.com/Textualize/textual/pull/1872
• Added RadioSet https://github.com/Textualize/textual/pull/1872

Changed

• Widget scrolling methods (such as Widget.scroll_home and Widget.scroll_end) now perform the scroll after the next refresh https://github.com/Textualize/textual/issues/1774
• Buttons no longer accept arbitrary renderables https://github.com/Textualize/textual/issues/1870

Fixed

• Scrolling with cursor keys now moves just one cell https://github.com/Textualize/textual/issues/1897
• Fix exceptions in watch methods being hidden on startup https://github.com/Textualize/textual/issues/1886
• Fixed scrollbar size miscalculation https://github.com/Textualize/textual/pull/1910
• Fixed slow exit on some terminals https://github.com/Textualize/textual/issues/1920

0.12.1 - 2023-02-25

Fixed

• Fix for batch update glitch https://github.com/Textualize/textual/pull/1880

0.12.0 - 2023-02-24

Added

• Added App.batch_update https://github.com/Textualize/textual/pull/1832
• Added horizontal rule to Markdown https://github.com/Textualize/textual/pull/1832
• Added Widget.disabled https://github.com/Textualize/textual/pull/1785
• Added DOMNode.notify_style_update to replace messages.StylesUpdated message https://github.com/Textualize/textual/pull/1861
• Added DataTable.show_row_labels reactive to show and hide row labels https://github.com/Textualize/textual/pull/1868
• Added DataTable.RowLabelSelected event, which is emitted when a row label is clicked https://github.com/Textualize/textual/pull/1868
• Added MessagePump.prevent context manager to temporarily suppress a given message type https://github.com/Textualize/textual/pull/1866

Changed

• Scrolling by page now adds to current position.
• Markdown lists have been polished: a selection of bullets, better alignment of numbers, style tweaks https://github.com/Textualize/textual/pull/1832
• Added alternative method of composing Widgets https://github.com/Textualize/textual/pull/1847
• Added label parameter to DataTable.add_row https://github.com/Textualize/textual/pull/1868
• Breaking change: Some DataTable component classes were renamed - see PR for details https://github.com/Textualize/textual/pull/1868

Removed

• Removed screen.visible_widgets and screen.widgets
• Removed StylesUpdate message. https://github.com/Textualize/textual/pull/1861

Fixed

• Numbers in a descendant-combined selector no longer cause an error https://github.com/Textualize/textual/issues/1836
• Fixed superfluous scrolling when focusing a docked widget https://github.com/Textualize/textual/issues/1816
• Fixes walk_children which was returning more than one screen https://github.com/Textualize/textual/issues/1846
• Fixed issue with watchers fired for detached nodes https://github.com/Textualize/textual/issues/1846

0.11.1 - 2023-02-17

Fixed

• DataTable fix issue where offset cache was not being used https://github.com/Textualize/textual/pull/1810
• DataTable scrollbars resize correctly when header is toggled https://github.com/Textualize/textual/pull/1803
• DataTable location mapping cleared when clear called https://github.com/Textualize/textual/pull/1809

0.11.0 - 2023-02-15

Added

• Added TreeNode.expand_all https://github.com/Textualize/textual/issues/1430
• Added TreeNode.collapse_all https://github.com/Textualize/textual/issues/1430
• Added TreeNode.toggle_all https://github.com/Textualize/textual/issues/1430
• Added the coroutines Animator.wait_until_complete and pilot.wait_for_scheduled_animations that allow waiting for all current and scheduled animations https://github.com/Textualize/textual/issues/1658
• Added the method Animator.is_being_animated that checks if an attribute of an object is being animated or is scheduled for animation
• Added more keyboard actions and related bindings to Input https://github.com/Textualize/textual/pull/1676
• Added App.scroll_sensitivity_x and App.scroll_sensitivity_y to adjust how many lines the scroll wheel moves the scroll position https://github.com/Textualize/textual/issues/928
• Added Shift+scroll wheel and ctrl+scroll wheel to scroll horizontally
• Added Tree.action_toggle_node to toggle a node without selecting, and bound it to Space https://github.com/Textualize/textual/issues/1433
• Added Tree.reset to fully reset a Tree https://github.com/Textualize/textual/issues/1437
• Added DataTable.sort to sort rows https://github.com/Textualize/textual/pull/1638
• Added DataTable.get_cell to retrieve a cell by column/row keys https://github.com/Textualize/textual/pull/1638
• Added DataTable.get_cell_at to retrieve a cell by coordinate https://github.com/Textualize/textual/pull/1638
• Added DataTable.update_cell to update a cell by column/row keys https://github.com/Textualize/textual/pull/1638
• Added DataTable.update_cell_at to update a cell at a coordinate https://github.com/Textualize/textual/pull/1638
• Added DataTable.ordered_rows property to retrieve Rows as they're currently ordered https://github.com/Textualize/textual/pull/1638
• Added DataTable.ordered_columns property to retrieve Columns as they're currently ordered https://github.com/Textualize/textual/pull/1638
• Added DataTable.coordinate_to_cell_key to find the key for the cell at a coordinate https://github.com/Textualize/textual/pull/1638
• Added DataTable.is_valid_coordinate https://github.com/Textualize/textual/pull/1638
• Added DataTable.is_valid_row_index https://github.com/Textualize/textual/pull/1638
• Added DataTable.is_valid_column_index https://github.com/Textualize/textual/pull/1638
• Added attributes to events emitted from DataTable indicating row/column/cell keys https://github.com/Textualize/textual/pull/1638
• Added DataTable.get_row to retrieve the values from a row by key https://github.com/Textualize/textual/pull/1786
• Added DataTable.get_row_at to retrieve the values from a row by index https://github.com/Textualize/textual/pull/1786
• Added DataTable.get_column to retrieve the values from a column by key https://github.com/Textualize/textual/pull/1786
• Added DataTable.get_column_at to retrieve the values from a column by index https://github.com/Textualize/textual/pull/1786
• Added DataTable.HeaderSelected which is posted when header label clicked https://github.com/Textualize/textual/pull/1788
• Added DOMNode.watch and DOMNode.is_attached methods https://github.com/Textualize/textual/pull/1750
• Added DOMNode.css_tree which is a renderable that shows the DOM and CSS https://github.com/Textualize/textual/pull/1778
• Added DOMNode.children_view which is a view on to a nodes children list, use for querying https://github.com/Textualize/textual/pull/1778
• Added Markdown and MarkdownViewer widgets.
• Added --screenshot option to textual run

Changed

• Breaking change: TreeNode can no longer be imported from textual.widgets; it is now available via from textual.widgets.tree import TreeNode. https://github.com/Textualize/textual/pull/1637
• Tree now shows a (subdued) cursor for a highlighted node when focus has moved elsewhere https://github.com/Textualize/textual/issues/1471
• DataTable.add_row now accepts key argument to uniquely identify the row https://github.com/Textualize/textual/pull/1638
• DataTable.add_column now accepts key argument to uniquely identify the column https://github.com/Textualize/textual/pull/1638
• DataTable.add_row and DataTable.add_column now return lists of keys identifying the added rows/columns https://github.com/Textualize/textual/pull/1638
• Breaking change: DataTable.get_cell_value renamed to DataTable.get_value_at https://github.com/Textualize/textual/pull/1638
• DataTable.row_count is now a property https://github.com/Textualize/textual/pull/1638
• Breaking change: DataTable.cursor_cell renamed to DataTable.cursor_coordinate https://github.com/Textualize/textual/pull/1638
  • The method validate_cursor_cell was renamed to validate_cursor_coordinate.
  • The method watch_cursor_cell was renamed to watch_cursor_coordinate.
• Breaking change: DataTable.hover_cell renamed to DataTable.hover_coordinate https://github.com/Textualize/textual/pull/1638
  • The method validate_hover_cell was renamed to validate_hover_coordinate.
• Breaking change: DataTable.data structure changed, and will be made private in upcoming release https://github.com/Textualize/textual/pull/1638
• Breaking change: DataTable.refresh_cell was renamed to DataTable.refresh_coordinate https://github.com/Textualize/textual/pull/1638
• Breaking change: DataTable.get_row_height now takes a RowKey argument instead of a row index https://github.com/Textualize/textual/pull/1638
• Breaking change: DataTable.data renamed to DataTable._data (it's now private) https://github.com/Textualize/textual/pull/1786
• The _filter module was made public (now called filter) https://github.com/Textualize/textual/pull/1638
• Breaking change: renamed Checkbox to Switch https://github.com/Textualize/textual/issues/1746
• App.install_screen name is no longer optional https://github.com/Textualize/textual/pull/1778
• App.query now only includes the current screen https://github.com/Textualize/textual/pull/1778
• DOMNode.tree now displays simple DOM structure only https://github.com/Textualize/textual/pull/1778
• App.install_screen now returns None rather than AwaitMount https://github.com/Textualize/textual/pull/1778
• DOMNode.children is now a simple sequence, the NodesList is exposed as DOMNode._nodes https://github.com/Textualize/textual/pull/1778
• DataTable cursor can now enter fixed columns https://github.com/Textualize/textual/pull/1799

Fixed

• Fixed stuck screen https://github.com/Textualize/textual/issues/1632
• Fixed programmatic style changes not refreshing children layouts when parent widget did not change size https://github.com/Textualize/textual/issues/1607
• Fixed relative units in grid-rows and grid-columns being computed with respect to the wrong dimension https://github.com/Textualize/textual/issues/1406
• Fixed bug with animations that were triggered back to back, where the second one wouldn't start https://github.com/Textualize/textual/issues/1372
• Fixed bug with animations that were scheduled where all but the first would be skipped https://github.com/Textualize/textual/issues/1372
• Programmatically setting overflow_x/overflow_y refreshes the layout correctly https://github.com/Textualize/textual/issues/1616
• Fixed double-paste into Input https://github.com/Textualize/textual/issues/1657
• Added a workaround for an apparent Windows Terminal paste issue https://github.com/Textualize/textual/issues/1661
• Fixed issue with renderable width calculation https://github.com/Textualize/textual/issues/1685
• Fixed issue with app not processing Paste event https://github.com/Textualize/textual/issues/1666
• Fixed glitch with view position with auto width inputs https://github.com/Textualize/textual/issues/1693
• Fixed DataTable "selected" events containing wrong coordinates when mouse was used https://github.com/Textualize/textual/issues/1723

Removed

• Methods MessagePump.emit and MessagePump.emit_no_wait https://github.com/Textualize/textual/pull/1738
• Removed reactive.watch in favor of DOMNode.watch.

0.10.1 - 2023-01-20

Added

• Added Strip.text property https://github.com/Textualize/textual/issues/1620

Fixed

• Fixed textual diagnose crash on older supported Python versions. https://github.com/Textualize/textual/issues/1622

Changed

• The default filename for screenshots uses a datetime format similar to ISO8601, but with reserved characters replaced by underscores https://github.com/Textualize/textual/pull/1518

0.10.0 - 2023-01-19

Added

• Added TreeNode.parent -- a read-only property for accessing a node's parent https://github.com/Textualize/textual/issues/1397
• Added public TreeNode label access via TreeNode.label https://github.com/Textualize/textual/issues/1396
• Added read-only public access to the children of a TreeNode via TreeNode.children https://github.com/Textualize/textual/issues/1398
• Added Tree.get_node_by_id to allow getting a node by its ID https://github.com/Textualize/textual/pull/1535
• Added a Tree.NodeHighlighted message, giving a on_tree_node_highlighted event handler https://github.com/Textualize/textual/issues/1400
• Added a inherit_component_classes subclassing parameter to control whether component classes are inherited from base classes https://github.com/Textualize/textual/issues/1399
• Added diagnose as a textual command https://github.com/Textualize/textual/issues/1542
• Added row and column cursors to DataTable https://github.com/Textualize/textual/pull/1547
• Added an optional parameter selector to the methods Screen.focus_next and Screen.focus_previous that enable using a CSS selector to narrow down which widgets can get focus https://github.com/Textualize/textual/issues/1196

Changed

• MouseScrollUp and MouseScrollDown now inherit from MouseEvent and have attached modifier keys. https://github.com/Textualize/textual/pull/1458
• Fail-fast and print pretty tracebacks for Widget compose errors https://github.com/Textualize/textual/pull/1505
• Added Widget._refresh_scroll to avoid expensive layout when scrolling https://github.com/Textualize/textual/pull/1524
• events.Paste now bubbles https://github.com/Textualize/textual/issues/1434
• Improved error message when style flag none is mixed with other flags (e.g., when setting text-style) https://github.com/Textualize/textual/issues/1420
• Clock color in the Header widget now matches the header color https://github.com/Textualize/textual/issues/1459
• Programmatic calls to scroll now optionally scroll even if overflow styling says otherwise (introduces a new force parameter to all the scroll_* methods) https://github.com/Textualize/textual/issues/1201
• COMPONENT_CLASSES are now inherited from base classes https://github.com/Textualize/textual/issues/1399
• Watch methods may now take no parameters
• Added compute parameter to reactive
• A TypeError raised during compose now carries the full traceback
• Removed base class NodeMessage from which all node-related Tree events inherited

Fixed

• The styles scrollbar-background-active and scrollbar-color-hover are no longer ignored https://github.com/Textualize/textual/pull/1480
• The widget Placeholder can now have its width set to auto https://github.com/Textualize/textual/pull/1508
• Behavior of widget Input when rendering after programmatic value change and related scenarios https://github.com/Textualize/textual/issues/1477 https://github.com/Textualize/textual/issues/1443
• DataTable.show_cursor now correctly allows cursor toggling https://github.com/Textualize/textual/pull/1547
• Fixed cursor not being visible on DataTable mount when fixed_columns were used https://github.com/Textualize/textual/pull/1547
• Fixed DataTable cursors not resetting to origin on clear() https://github.com/Textualize/textual/pull/1601
• Fixed TextLog wrapping issue https://github.com/Textualize/textual/issues/1554
• Fixed issue with TextLog not writing anything before layout https://github.com/Textualize/textual/issues/1498
• Fixed an exception when populating a child class of ListView purely from compose https://github.com/Textualize/textual/issues/1588
• Fixed freeze in tests https://github.com/Textualize/textual/issues/1608
• Fixed minus not displaying as symbol https://github.com/Textualize/textual/issues/1482

0.9.1 - 2022-12-30

Added

• Added textual._win_sleep for Python on Windows < 3.11 https://github.com/Textualize/textual/pull/1457

0.9.0 - 2022-12-30

Added

• Added textual.strip.Strip primitive
• Added textual._cache.FIFOCache
• Added an option to clear columns in DataTable.clear() https://github.com/Textualize/textual/pull/1427

Changed

• Widget.render_line now returns a Strip
• Fix for slow updates on Windows
• Bumped Rich dependency

0.8.2 - 2022-12-28

Fixed

• Fixed issue with TextLog.clear() https://github.com/Textualize/textual/issues/1447

0.8.1 - 2022-12-25

Fixed

• Fix for overflowing tree issue https://github.com/Textualize/textual/issues/1425

0.8.0 - 2022-12-22

Fixed

• Fixed issues with nested auto dimensions https://github.com/Textualize/textual/issues/1402
• Fixed watch method incorrectly running on first set when value hasn't changed and init=False https://github.com/Textualize/textual/pull/1367
• App.dark can now be set from App.on_load without an error being raised https://github.com/Textualize/textual/issues/1369
• Fixed setting visibility changes needing a refresh https://github.com/Textualize/textual/issues/1355

Added

• Added textual.actions.SkipAction exception which can be raised from an action to allow parents to process bindings.
• Added textual keys preview.
• Added ability to bind to a character in addition to key name. i.e. you can bind to "." or "full_stop".
• Added TextLog.shrink attribute to allow renderable to reduce in size to fit width.

Changed

• Deprecated PRIORITY_BINDINGS class variable.
• Renamed char to character on Key event.
• Renamed key_name to name on Key event.
• Queries/walk_children no longer includes self in results by default https://github.com/Textualize/textual/pull/1416

0.7.0 - 2022-12-17

Added

• Added PRIORITY_BINDINGS class variable, which can be used to control if a widget's bindings have priority by default. https://github.com/Textualize/textual/issues/1343

Changed

• Renamed the Binding argument universal to priority. https://github.com/Textualize/textual/issues/1343
• When looking for bindings that have priority, they are now looked from App downwards. https://github.com/Textualize/textual/issues/1343
• BINDINGS on an App-derived class have priority by default. https://github.com/Textualize/textual/issues/1343
• BINDINGS on a Screen-derived class have priority by default. https://github.com/Textualize/textual/issues/1343
• Added a message parameter to Widget.exit

Fixed

• Fixed validator not running on first reactive set https://github.com/Textualize/textual/pull/1359
• Ensure only printable characters are used as key_display https://github.com/Textualize/textual/pull/1361

0.6.0 - 2022-12-11

https://textual.textualize.io/blog/2022/12/11/version-060

Added

• Added "inherited bindings" -- BINDINGS classvar will be merged with base classes, unless inherit_bindings is set to False
• Added Tree widget which replaces TreeControl.
• Added widget Placeholder https://github.com/Textualize/textual/issues/1200.
• Added ListView and ListItem widgets https://github.com/Textualize/textual/pull/1143

Changed

• Rebuilt DirectoryTree with new Tree control.
• Empty containers with a dimension set to "auto" will now collapse instead of filling up the available space.
• Container widgets now have default height of 1fr.
• The default width of a Label is now auto.

Fixed

• Type selectors can now contain numbers https://github.com/Textualize/textual/issues/1253
• Fixed visibility not affecting children https://github.com/Textualize/textual/issues/1313
• Fixed issue with auto width/height and relative children https://github.com/Textualize/textual/issues/1319
• Fixed issue with offset applied to containers https://github.com/Textualize/textual/issues/1256
• Fixed default CSS retrieval for widgets with no DEFAULT_CSS that inherited from widgets with DEFAULT_CSS https://github.com/Textualize/textual/issues/1335
• Fixed merging of BINDINGS when binding inheritance is set to None https://github.com/Textualize/textual/issues/1351

0.5.0 - 2022-11-20

Added

• Add get_child_by_id and get_widget_by_id, remove get_child https://github.com/Textualize/textual/pull/1146
• Add easing parameter to Widget.scroll_* methods https://github.com/Textualize/textual/pull/1144
• Added Widget.call_later which invokes a callback on idle.
• DOMNode.ancestors no longer includes self.
• Added DOMNode.ancestors_with_self, which retains the old behaviour of DOMNode.ancestors.
• Improved the speed of DOMQuery.remove.
• Added DataTable.clear
• Added low-level textual.walk methods.
• It is now possible to await a Widget.remove. https://github.com/Textualize/textual/issues/1094
• It is now possible to await a DOMQuery.remove. Note that this changes the return value of DOMQuery.remove, which used to return self. https://github.com/Textualize/textual/issues/1094
• Added Pilot.wait_for_animation
• Added Widget.move_child https://github.com/Textualize/textual/issues/1121
• Added a Label widget https://github.com/Textualize/textual/issues/1190
• Support lazy-instantiated Screens (callables in App.SCREENS) https://github.com/Textualize/textual/pull/1185
• Display of keys in footer has more sensible defaults https://github.com/Textualize/textual/pull/1213
• Add App.get_key_display, allowing custom key_display App-wide https://github.com/Textualize/textual/pull/1213

Changed

• Watchers are now called immediately when setting the attribute if they are synchronous. https://github.com/Textualize/textual/pull/1145
• Widget.call_later has been renamed to Widget.call_after_refresh.
• Button variant values are now checked at runtime. https://github.com/Textualize/textual/issues/1189
• Added caching of some properties in Styles object

Fixed

• Fixed DataTable row not updating after add https://github.com/Textualize/textual/issues/1026
• Fixed issues with animation. Now objects of different types may be animated.
• Fixed containers with transparent background not showing borders https://github.com/Textualize/textual/issues/1175
• Fixed auto-width in horizontal containers https://github.com/Textualize/textual/pull/1155
• Fixed Input cursor invisible when placeholder empty https://github.com/Textualize/textual/pull/1202
• Fixed deadlock when removing widgets from the App https://github.com/Textualize/textual/pull/1219

0.4.0 - 2022-11-08

https://textual.textualize.io/blog/2022/11/08/version-040/#version-040

Changed

• Dropped support for mounting "named" and "anonymous" widgets via App.mount and Widget.mount. Both methods now simply take one or more widgets as positional arguments.
• DOMNode.query_one now raises a TooManyMatches exception if there is more than one matching node. https://github.com/Textualize/textual/issues/1096
• App.mount and Widget.mount have new before and after parameters https://github.com/Textualize/textual/issues/778

Added

• Added init param to reactive.watch
• CSS_PATH can now be a list of CSS files https://github.com/Textualize/textual/pull/1079
• Added DOMQuery.only_one https://github.com/Textualize/textual/issues/1096
• Writes to stdout are now done in a thread, for smoother animation. https://github.com/Textualize/textual/pull/1104

0.3.0 - 2022-10-31

Fixed

• Fixed issue where scrollbars weren't being unmounted
• Fixed fr units for horizontal and vertical layouts https://github.com/Textualize/textual/pull/1067
• Fixed textual run breaking sys.argv https://github.com/Textualize/textual/issues/1064
• Fixed footer not updating styles when toggling dark mode
• Fixed how the app title in a Header is centred https://github.com/Textualize/textual/issues/1060
• Fixed the swapping of button variants https://github.com/Textualize/textual/issues/1048
• Fixed reserved characters in screenshots https://github.com/Textualize/textual/issues/993
• Fixed issue with TextLog max_lines https://github.com/Textualize/textual/issues/1058

Changed

• DOMQuery now raises InvalidQueryFormat in response to invalid query strings, rather than cryptic CSS error
• Dropped quit_after, screenshot, and screenshot_title from App.run, which can all be done via auto_pilot
• Widgets are now closed in reversed DOM order
• Input widget justify hardcoded to left to prevent text-align interference
• Changed textual run so that it patches argv in more situations
• DOM classes and IDs are now always treated fully case-sensitive https://github.com/Textualize/textual/issues/1047

Added

• Added Unmount event
• Added App.run_async method
• Added App.run_test context manager
• Added auto_pilot to App.run and App.run_async
• Added Widget._get_virtual_dom to get scrollbars
• Added size parameter to run and run_async
• Added always_update to reactive
• Returned an awaitable from push_screen, switch_screen, and install_screen https://github.com/Textualize/textual/pull/1061

0.2.1 - 2022-10-23

Changed

• Updated meta data for PyPI

0.2.0 - 2022-10-23

Added

• CSS support
• Too numerous to mention

0.1.18 - 2022-04-30

Changed

• Bump typing extensions

0.1.17 - 2022-03-10

Changed

• Bumped Rich dependency

0.1.16 - 2022-03-10

Fixed

• Fixed escape key hanging on Windows

0.1.15 - 2022-01-31

Added

• Added Windows Driver

0.1.14 - 2022-01-09

Changed

• Updated Rich dependency to 11.X

0.1.13 - 2022-01-01

Fixed

• Fixed spurious characters when exiting app
• Fixed increasing delay when exiting

0.1.12 - 2021-09-20

Added

• Added geometry.Spacing

Fixed

• Fixed calculation of virtual size in scroll views

0.1.11 - 2021-09-12

Changed

• Changed message handlers to use prefix handle_
• Renamed messages to drop the Message suffix
• Events now bubble by default
• Refactor of layout

Added

• Added App.measure
• Added auto_width to Vertical Layout, WindowView, an ScrollView
• Added big_table.py example
• Added easing.py example

0.1.10 - 2021-08-25

Added

• Added keyboard control of tree control
• Added Widget.gutter to calculate space between renderable and outside edge
• Added margin, padding, and border attributes to Widget

Changed

• Callbacks may be async or non-async.
• Event handler event argument is optional.
• Fixed exception in clock example https://github.com/willmcgugan/textual/issues/52
• Added Message.wait() which waits for a message to be processed
• Key events are now sent to widgets first, before processing bindings

0.1.9 - 2021-08-06

Added

• Added hover over and mouse click to activate keys in footer
• Added verbosity argument to Widget.log

Changed

• Simplified events. Remove Startup event (use Mount)
• Changed geometry.Point to geometry.Offset and geometry.Dimensions to geometry.Size

0.1.8 - 2021-07-17

Fixed

• Fixed exiting mouse mode
• Fixed slow animation

Added

• New log system

0.1.7 - 2021-07-14

Changed

• Added functionality to calculator example.
• Scrollview now shows scrollbars automatically
• New handler system for messages that doesn't require inheritance
• Improved traceback handling