obsqrbtz/egui_knob
1
0
Fork 0
mirror of https://github.com/obsqrbtz/egui_knob.git synced 2026-04-08 20:19:17 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat: exposed label format

Browse Source
This commit is contained in:
Daniel Dada
2025-02-04 09:17:23 +03:00
parent b141db8cd4
commit 19b0ff5405
2 changed files with 11 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
examples/example_knob.rs
View File

@@ -115,7 +115,8 @@ impl eframe::App for KnobExample {
egui::Color32::from_rgb(50, 220, 50),
egui::Color32::from_rgb(100, 255, 100),
)
.with_size(50.0),
.with_size(50.0)
.with_label_format(|v| format!("{:.2}%", v)),
);
ui.add(

11
src/lib.rs
View File

@@ -26,6 +26,7 @@ pub struct Knob<'a> {
label_position: LabelPosition,
style: KnobStyle,
label_offset: f32,
label_format: Box<dyn Fn(f32) -> String>,
}
impl<'a> Knob<'a> {
@@ -44,6 +45,7 @@ impl<'a> Knob<'a> {
label_position: LabelPosition::Bottom,
style,
label_offset: 2.0,
label_format: Box::new(|v| format!("{:.2}", v)),
}
}
@@ -84,6 +86,11 @@ impl<'a> Knob<'a> {
self.label_offset = offset;
self
}
pub fn with_label_format(mut self, format: impl Fn(f32) -> String + 'static) -> Self {
self.label_format = Box::new(format);
self
}
}
impl Widget for Knob<'_> {
@@ -94,7 +101,7 @@ impl Widget for Knob<'_> {
let font_id = egui::FontId::proportional(self.font_size);
ui.painter()
.layout(
format!("{}: {:.2}", label, self.value),
format!("{}: {}", label, (self.label_format)(*self.value)),
font_id,
Color32::WHITE,
f32::INFINITY,
@@ -169,7 +176,7 @@ impl Widget for Knob<'_> {
}
if let Some(label) = self.label {
let label_text = format!("{label}: {:.2}", self.value);
let label_text = format!("{}: {}", label, (self.label_format)(*self.value));
let font_id = egui::FontId::proportional(self.font_size);
let (label_pos, alignment) = match self.label_position {