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# Textual Diagnostics
## Versions
| Name | Value |
|---------|--------|
| Textual | 1.0.0 |
| Rich | 13.9.4 |
## Python
| Name | Value |
|----------------|--------------------------------------------------------------|
| Version | 3.12.3 |
| Implementation | CPython |
| Compiler | Clang 13.0.0 (clang-1300.0.29.30) |
| Executable | /Users/davew/code/flux/flux_config_frontend/.venv/bin/python |
## Operating System
| Name | Value |
|---------|-----------------------------------------------------------------------------------------------------|
| System | Darwin |
| Release | 24.2.0 |
| Version | Darwin Kernel Version 24.2.0: Sun Nov 3 20:54:52 PST 2024; root:xnu-11215.60.405~54/RELEASE_X86_64 |
## Terminal
| Name | Value |
|----------------------|--------------------|
| Terminal Application | iTerm.app (3.5.10) |
| TERM | xterm-256color |
| COLORTERM | truecolor |
| FORCE_COLOR | *Not set* |
| NO_COLOR | *Not set* |
## Rich Console options
| Name | Value |
|----------------|----------------------|
| size | width=129, height=38 |
| legacy_windows | False |
| min_width | 1 |
| max_width | 129 |
| is_terminal | True |
| encoding | utf-8 |
| max_height | 38 |
| justify | None |
| overflow | None |
| no_wrap | False |
| highlight | None |
| markup | None |
| height | None |Here is an MRE:
from textual.app import App, ComposeResult
from textual.containers import Horizontal
from textual.widgets import Label
class MyApp(App):
DEFAULT_CSS = """
Screen {
&> Horizontal {
width: 1fr;
align: center middle;
&> Label {
width: 10;
height: 5;
}
&> Label:last-of-type {
background: red;
}
}
}
"""
def compose(self) -> ComposeResult:
with Horizontal():
yield Label("Start")
yield Label("Middle")
yield Label("End")
app = MyApp()
app.run()When the app loads, it is as expected:
However, when the app loses focus, the styling is no longer applied, and when the app regains focus it is also not applied.
I beieve there is also an issue with hot reload with these styles, as they wern't being applied when I was running with textual --dev until I restarted the app.
On a side note, I'm not sure if this is Iterm doing this but I think it's textual... lately when I ctrl +c some of my key combinations no longer work. I am an avid ctrl + r, ctrl + w, ctrl + a etc etc user.
However, when I ctrl + c textual apps, the ctrl + combos are no longer interpreted until I reset the terminal. See here:
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