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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.

[0.11.0] - Unreleased

Added

  • Added TreeNode.expand_all Textualize#1430
  • Added TreeNode.collapse_all Textualize#1430
  • Added TreeNode.toggle_all Textualize#1430
  • Added the coroutines Animator.wait_until_complete and pilot.wait_for_scheduled_animations that allow waiting for all current and scheduled animations Textualize#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 Textualize#1676
  • Added App.scroll_sensitivity_x and App.scroll_sensitivity_y to adjust how many lines the scroll wheel moves the scroll position Textualize#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 Textualize#1433
  • Added Tree.reset to fully reset a Tree Textualize#1437

Changed

  • Breaking change: TreeNode can no longer be imported from textual.widgets; it is now available via from textual.widgets.tree import TreeNode. Textualize#1637
  • Tree now shows a (subdued) cursor for a highlighted node when focus has moved elsewhere Textualize#1471

Fixed

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

[0.10.1] - 2023-01-20

Added

Fixed

  • Fixed textual diagnose crash on older supported Python versions. Textualize#1622

Changed

  • The default filename for screenshots uses a datetime format similar to ISO8601, but with reserved characters replaced by underscores Textualize#1518

0.10.0 - 2023-01-19

Added

  • Added TreeNode.parent -- a read-only property for accessing a node's parent Textualize#1397
  • Added public TreeNode label access via TreeNode.label Textualize#1396
  • Added read-only public access to the children of a TreeNode via TreeNode.children Textualize#1398
  • Added Tree.get_node_by_id to allow getting a node by its ID Textualize#1535
  • Added a Tree.NodeHighlighted message, giving a on_tree_node_highlighted event handler Textualize#1400
  • Added a inherit_component_classes subclassing parameter to control whether component classes are inherited from base classes Textualize#1399
  • Added diagnose as a textual command Textualize#1542
  • Added row and column cursors to DataTable Textualize#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 Textualize#1196

Changed

  • MouseScrollUp and MouseScrollDown now inherit from MouseEvent and have attached modifier keys. Textualize#1458
  • Fail-fast and print pretty tracebacks for Widget compose errors Textualize#1505
  • Added Widget._refresh_scroll to avoid expensive layout when scrolling Textualize#1524
  • events.Paste now bubbles Textualize#1434
  • Improved error message when style flag none is mixed with other flags (e.g., when setting text-style) Textualize#1420
  • Clock color in the Header widget now matches the header color Textualize#1459
  • Programmatic calls to scroll now optionally scroll even if overflow styling says otherwise (introduces a new force parameter to all the scroll_* methods) Textualize#1201
  • COMPONENT_CLASSES are now inherited from base classes Textualize#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

0.9.1 - 2022-12-30

Added

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() Textualize#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

0.8.1 - 2022-12-25

Fixed

0.8.0 - 2022-12-22

Fixed

  • Fixed issues with nested auto dimensions Textualize#1402
  • Fixed watch method incorrectly running on first set when value hasn't changed and init=False Textualize#1367
  • App.dark can now be set from App.on_load without an error being raised Textualize#1369
  • Fixed setting visibility changes needing a refresh Textualize#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 Textualize#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. Textualize#1343

Changed

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

Fixed

0.6.0 - 2022-12-11

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 Textualize#1200.

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 Textualize#1253
  • Fixed visibility not affecting children Textualize#1313
  • Fixed issue with auto width/height and relative children Textualize#1319
  • Fixed issue with offset applied to containers Textualize#1256
  • Fixed default CSS retrieval for widgets with no DEFAULT_CSS that inherited from widgets with DEFAULT_CSS Textualize#1335
  • Fixed merging of BINDINGS when binding inheritance is set to None Textualize#1351

0.5.0 - 2022-11-20

Added

  • Add get_child_by_id and get_widget_by_id, remove get_child Textualize#1146
  • Add easing parameter to Widget.scroll_* methods Textualize#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. Textualize#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. Textualize#1094
  • Added Pilot.wait_for_animation
  • Added Widget.move_child Textualize#1121
  • Added a Label widget Textualize#1190
  • Support lazy-instantiated Screens (callables in App.SCREENS) Textualize#1185
  • Display of keys in footer has more sensible defaults Textualize#1213
  • Add App.get_key_display, allowing custom key_display App-wide Textualize#1213

Changed

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

Fixed

  • Fixed DataTable row not updating after add Textualize#1026
  • Fixed issues with animation. Now objects of different types may be animated.
  • Fixed containers with transparent background not showing borders Textualize#1175
  • Fixed auto-width in horizontal containers Textualize#1155
  • Fixed Input cursor invisible when placeholder empty Textualize#1202
  • Fixed deadlock when removing widgets from the App Textualize#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. Textualize#1096
  • App.mount and Widget.mount have new before and after parameters Textualize#778

Added

0.3.0 - 2022-10-31

Fixed

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