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Fix missing Tree.NodeHighlighted message #3528

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Fix missing Tree.NodeHighlighted message #3528

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3f07634
Fix missing NodeHighlighted message
Oct 13, 2023
12ecab2
update changelog
Oct 13, 2023
8a60b05
Update src/textual/widgets/_tree.py
robinvd Apr 3, 2024
df0ee3e
Merge branch 'main' into main
robinvd Apr 3, 2024
6be097e
Merge branch 'main' of github.com:Textualize/textual into robinvd/main
darrenburns Jul 16, 2024
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
- 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
- Clicking on the last node of an new Tree would not emit NodeHighlighted message https://github.com/Textualize/textual/pull/3528

### Changed

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2 changes: 2 additions & 0 deletions src/textual/widgets/_tree.py
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Expand Up @@ -850,6 +850,8 @@ def _new_id(self) -> NodeID:
return NodeID(id)

def _get_node(self, line: int) -> TreeNode[TreeDataType] | None:
if line < 0 and not self.show_root:
return None
try:
tree_line = self._tree_lines[line]
except IndexError:
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