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.

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
• 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