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print: Make units translatable

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Closes #142

Part-of: <https://gitlab.gnome.org/GNOME/loupe/-/merge_requests/240>
This commit is contained in:
Sophie Herold 2023-07-27 23:22:15 +02:00 • committed by Christopher Davis
parent 3dbcce8375
commit f5071fb630
1 changed files with 25 additions and 0 deletions
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25
src/widgets/print.rs
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@ -140,6 +140,22 @@ impl<T: AsRef<str>> From<T> for Unit {
}
}
impl std::fmt::Display for Unit {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
let s = match self {
// Translators: Shorthand for centimeter
Self::Centimeter => gettext("cm"),
// Translators: Shorthand for inch
Self::Inch => gettext("in"),
// Translators: Shorthand for pixel
Self::Pixel => gettext("px"),
Self::Percent => String::from("%"),
};
f.write_str(&s)
}
}
impl Unit {
fn factor(&self, dpi: f64, total_size: i32) -> f64 {
match self {
@ -173,6 +189,13 @@ impl Unit {
let f = 10_f64.powi(self.digits() as i32);
(num * f).round() / f
}
fn expression() -> gtk::ClosureExpression {
gtk::ClosureExpression::new::<glib::GString>(
[] as [gtk::Expression; 0],
glib::closure!(|s: gtk::StringObject| Self::from(s.string().as_str()).to_string()),
)
}
}
mod imp {
@ -283,6 +306,7 @@ mod imp {
self.margin_unit.connect_selected_notify(
glib::clone!(@weak obj => move |_| obj.on_margin_unit_changed()),
);
self.margin_unit.set_expression(Some(Unit::expression()));
self.margin_horizontal.connect_value_notify(
glib::clone!(@weak obj => move |_| obj.on_margin_horizontal_changed()),
);
@ -294,6 +318,7 @@ mod imp {
self.size_unit.connect_selected_notify(
glib::clone!(@weak obj => move |_| obj.on_size_unit_changed()),
);
self.size_unit.set_expression(Some(Unit::expression()));
self.fill_space.connect_active_notify(
glib::clone!(@weak obj => move |_| obj.on_fill_space_changed()),
);