Textualize/textual v0.10.0

Cursor-tastic release

on GitHub

Version 0.10.0 sees new cursor types on the DataTable to select rows and column, and corresponding events.

There are also a number of fixes and optimizations. See below for details.

[0.10.0] - 2023-01-19

Added

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

Changed

• MouseScrollUp and MouseScrollDown now inherit from MouseEvent and have attached modifier keys. #1458
• Fail-fast and print pretty tracebacks for Widget compose errors #1505
• Added Widget._refresh_scroll to avoid expensive layout when scrolling #1524
• events.Paste now bubbles #1434
• Improved error message when style flag none is mixed with other flags (e.g., when setting text-style) #1420
• Clock color in the Header widget now matches the header color #1459
• Programmatic calls to scroll now optionally scroll even if overflow styling says otherwise (introduces a new force parameter to all the scroll_* methods) #1201
• COMPONENT_CLASSES are now inherited from base classes #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 #1480
• The widget Placeholder can now have its width set to auto #1508
• Behavior of widget Input when rendering after programmatic value change and related scenarios #1477 #1443
• DataTable.show_cursor now correctly allows cursor toggling #1547
• Fixed cursor not being visible on DataTable mount when fixed_columns were used #1547
• Fixed DataTable cursors not resetting to origin on clear() #1601
• Fixed TextLog wrapping issue #1554
• Fixed issue with TextLog not writing anything before layout #1498
• Fixed an exception when populating a child class of ListView purely from compose #1588
• Fixed freeze in tests #1608