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Merge pull request #774 from Textualize/dont-render-zero-opacity-text

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Minimise rendering when text-opacity/opacity is zero
This commit is contained in:
Will McGugan
2022-09-20 10:50:53 +01:00
committed by GitHub
parent 9e883d3e45 c3eb54319b
commit d5051d35b5
6 changed files with 56 additions and 24 deletions
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4
sandbox/darren/just_a_box.css
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@@ -1,8 +1,10 @@
Screen {
layout: center;
background: darkslategrey;
}
.box1 {
#box1 {
background: darkmagenta;
width: auto;
padding: 4 8;
}

19
sandbox/darren/just_a_box.py
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@@ -1,12 +1,27 @@
from __future__ import annotations
from textual.app import App, ComposeResult
from textual.widgets import Static
from textual.binding import Binding
from textual.widgets import Static, Footer
class JustABox(App):
BINDINGS = [
Binding(key="t", action="text_fade_out", description="text-opacity fade out"),
Binding(key="o", action="widget_fade_out", description="opacity fade out"),
]
def compose(self) -> ComposeResult:
yield Static("Hello, world!", classes="box1")
yield Static("Hello, world!", id="box1")
yield Footer()
def action_text_fade_out(self) -> None:
box = self.query_one("#box1")
self.animator.animate(box.styles, "text_opacity", value=0.0, duration=1)
def action_widget_fade_out(self) -> None:
box = self.query_one("#box1")
self.animator.animate(box.styles, "opacity", value=0.0, duration=1)
app = JustABox(watch_css=True, css_path="../darren/just_a_box.css")