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perf: reduce memory allocations

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This also changes `widget::column::with_children` and
`widget::row::with_children` to take an `impl IntoIterator` instead
of a `Vec`, like the `iced` variants of these functions do.

This shouldn't be a breaking change since passing in a `Vec` will still
compile and function exactly as before.

(Using `iced::widget::Column::from_vec` or
`iced::widget::Row::from_vec` isn't possible, since the elements of the
`Vec` aren't checked, so the size of the resulting `Column` or `Row`
won't adapt to the size of its children. Perhaps a new function could
be added to mirror `iced`'s?)
This commit is contained in:
Cheong Lau 2025-10-11 13:36:35 +10:00 • committed by Michael Murphy
parent 840ef21e4d
commit bd438a8581
20 changed files with 83 additions and 88 deletions
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19
cosmic-theme/src/output/gtk4_output.rs
View file

@ -148,7 +148,7 @@ impl Theme {
#[cold]
pub fn write_gtk4(&self) -> Result<(), OutputError> {
let css_str = self.as_gtk4();
let Some(config_dir) = dirs::config_dir() else {
let Some(mut config_dir) = dirs::config_dir() else {
return Err(OutputError::MissingConfigDir);
};
@ -158,7 +158,7 @@ impl Theme {
"light.css"
};
let config_dir = config_dir.join("gtk-4.0").join("cosmic");
config_dir.extend(["gtk-4.0", "cosmic"]);
if !config_dir.exists() {
std::fs::create_dir_all(&config_dir).map_err(OutputError::Io)?;
}
@ -181,23 +181,20 @@ impl Theme {
return Err(OutputError::MissingConfigDir);
};
let gtk4 = config_dir.join("gtk-4.0");
let gtk3 = config_dir.join("gtk-3.0");
let mut gtk4 = config_dir.join("gtk-4.0");
let mut gtk3 = config_dir.join("gtk-3.0");
fs::create_dir_all(&gtk4).map_err(OutputError::Io)?;
fs::create_dir_all(&gtk3).map_err(OutputError::Io)?;
let cosmic_css_dir = gtk4.join("cosmic");
let cosmic_css =
cosmic_css_dir
.clone()
.join(if is_dark { "dark.css" } else { "light.css" });
let cosmic_css = cosmic_css_dir.join(if is_dark { "dark.css" } else { "light.css" });
let gtk4_dest = gtk4.join("gtk.css");
let gtk3_dest = gtk3.join("gtk.css");
gtk4.push("gtk.css");
gtk3.push("gtk.css");
#[cfg(target_family = "unix")]
for gtk_dest in [&gtk4_dest, &gtk3_dest] {
for gtk_dest in [&gtk4, &gtk3] {
use std::os::unix::fs::symlink;
Self::backup_non_cosmic_css(gtk_dest, &cosmic_css_dir).map_err(OutputError::Io)?;