migrations/egui
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Mark the widgets a DragValue is built from with DragValue::CLASS

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A drag value is not a widget of its own: it shows a `Button` while you drag
it and a `TextEdit` while you type into it. A `StyleProvider` asked to style
either had no way to tell it apart from a stand-alone one, so it could not
style the two states as one control.

Set `egui::drag_value` on the drag value itself; it already forwards its
classes to both.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Lucas Meurer
2026-08-31 14:25:52 +02:00
parent 24b8038cc0
commit 095edcdce2
1 changed files with 4 additions and 1 deletions
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5
crates/egui/src/widgets/drag_value.rs
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@@ -71,6 +71,9 @@ pub struct DragValue<'a> {
impl<'a> DragValue<'a> { impl<'a> DragValue<'a> {
const ATOM_ID: &'static str = "drag_item"; const ATOM_ID: &'static str = "drag_item";
/// Present on the [`Button`] and the [`TextEdit`] a drag value is built from.
pub const CLASS: &'static str = "egui::drag_value";
pub fn new<Num: emath::Numeric>(value: &'a mut Num) -> Self { pub fn new<Num: emath::Numeric>(value: &'a mut Num) -> Self {
let slf = Self::from_get_set(move |v: Option<f64>| { let slf = Self::from_get_set(move |v: Option<f64>| {
if let Some(v) = v { if let Some(v) = v {
@@ -100,7 +103,7 @@ impl<'a> DragValue<'a> {
custom_formatter: None, custom_formatter: None,
custom_parser: None, custom_parser: None,
update_while_editing: true, update_while_editing: true,
classes: Classes::default(), classes: Classes::default().with_class(Self::CLASS),
min_size: None, min_size: None,
} }
} }