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Merge pull request #4802 from Textualize/recompose-mount-fix
Recompose mount fix
2 parents 1d0474f + f59e204 commit 988c4b3

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6 files changed

+231
-13
lines changed

6 files changed

+231
-13
lines changed

‎CHANGELOG.md

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Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
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- Fixed issues in Kitty terminal after exiting app https://github.com/Textualize/textual/issues/4779
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- Fixed exception when removing Selects https://github.com/Textualize/textual/pull/4786
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- Fixed issue with non-clickable Footer keys https://github.com/Textualize/textual/pull/4798
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- Fixed issue with recompose not working from Mount handler https://github.com/Textualize/textual/pull/4802
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### Changed
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‎src/textual/reactive.py

Lines changed: 10 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -132,15 +132,18 @@ def __init__(
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self._recompose = recompose
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self._bindings = bindings
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self._owner: Type[MessageTarget] | None = None
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self.name: str
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def __rich_repr__(self) -> rich.repr.Result:
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yield self._default
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yield "layout", self._layout
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yield "repaint", self._repaint
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yield "init", self._init
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yield "always_update", self._always_update
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yield "compute", self._run_compute
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yield "recompose", self._recompose
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yield None, self._default
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yield "layout", self._layout, False
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yield "repaint", self._repaint, True
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yield "init", self._init, False
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yield "always_update", self._always_update, False
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yield "compute", self._run_compute, True
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yield "recompose", self._recompose, False
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yield "bindings", self._bindings, False
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yield "name", getattr(self, "name", None), None
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@property
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def owner(self) -> Type[MessageTarget]:

‎src/textual/widget.py

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Original file line numberDiff line numberDiff line change
@@ -3473,17 +3473,17 @@ def refresh(
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break
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ancestor._clear_arrangement_cache()
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if not self._is_mounted:
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self._repaint_required = True
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self.check_idle()
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return self
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if recompose:
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self._recompose_required = True
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self.call_next(self._check_recompose)
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return self
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elif repaint:
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if not self._is_mounted:
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self._repaint_required = True
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self.check_idle()
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return self
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if repaint:
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self._set_dirty(*regions)
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self.clear_cached_dimensions()
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self._rich_style_cache.clear()

‎tests/snapshot_tests/__snapshots__/test_snapshots.ambr

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'''
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# ---
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# name: test_recompose_in_mount
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'''
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35546+
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35547+
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35550+
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35551+
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35552+
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35554+
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35557+
</g>
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</g>
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</svg>
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35561+
'''
35562+
# ---
3539935563
# name: test_remove_with_auto_height
3540035564
'''
3540135565
<svg class="rich-terminal" viewBox="0 0 994 635.5999999999999" xmlns="http://www.w3.org/2000/svg">

‎tests/snapshot_tests/snapshot_apps/recompose_on_mount.py

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from __future__ import annotations
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from textual.app import App, ComposeResult
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from textual.screen import Screen
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from textual.widgets import Header, Footer, Static, RadioSet
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from textual.reactive import reactive
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class Profile(Static):
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choices: reactive[list[str]] = reactive(list, recompose=True)
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def compose(self) -> ComposeResult:
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yield RadioSet(*self.choices)
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async def on_mount(self) -> None:
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self.choices.append("Foo")
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self.choices.append("Bar")
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self.mutate_reactive(Profile.choices)
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class Landing(Screen):
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def compose(self) -> ComposeResult:
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"""Create child widgets for the app."""
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yield Header()
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yield Static(" Profile ", id="title")
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yield Profile()
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yield Footer()
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class ForecastApp(App):
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"""A Textual app to forecast Financials."""
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def compose(self) -> ComposeResult:
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"""Create child widgets for the app."""
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yield Header()
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yield Footer()
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def on_mount(self) -> None:
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self.install_screen(Landing(), name="landing")
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self.push_screen("landing")
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if __name__ == "__main__":
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app = ForecastApp()
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app.run()

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