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Add `Context::style_mut` (#3359)

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Emil Ernerfeldt 2023-09-18 21:07:44 +02:00 committed by GitHub
parent dbf9b79d06
commit 6870d141d7
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1 changed files with 13 additions and 6 deletions
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19
crates/egui/src/context.rs
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@ -1049,17 +1049,24 @@ impl Context {
self.options(|opt| opt.style.clone()) self.options(|opt| opt.style.clone())
} }
/// The [`Style`] used by all new windows, panels etc. /// Mutate the [`Style`] used by all subsequent windows, panels etc.
///
/// You can also use [`Ui::style_mut`] to change the style of a single [`Ui`].
/// ///
/// Example: /// Example:
/// ``` /// ```
/// # let mut ctx = egui::Context::default(); /// # let mut ctx = egui::Context::default();
/// let mut style: egui::Style = (*ctx.style()).clone(); /// ctx.style_mut(|style| {
/// style.spacing.item_spacing = egui::vec2(10.0, 20.0); /// style.spacing.item_spacing = egui::vec2(10.0, 20.0);
/// ctx.set_style(style); /// });
/// ``` /// ```
pub fn style_mut(&self, mutate_style: impl FnOnce(&mut Style)) {
self.options_mut(|opt| mutate_style(std::sync::Arc::make_mut(&mut opt.style)));
}
/// The [`Style`] used by all new windows, panels etc.
///
/// You can also change this using [`Self::style_mut]`
///
/// You can use [`Ui::style_mut`] to change the style of a single [`Ui`].
pub fn set_style(&self, style: impl Into<Arc<Style>>) { pub fn set_style(&self, style: impl Into<Arc<Style>>) {
self.options_mut(|opt| opt.style = style.into()); self.options_mut(|opt| opt.style = style.into());
} }