obsqrbtz/egui_knob
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update egui and fix clippy warnings

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This commit is contained in:
René Rössler
2026-03-27 12:47:01 +01:00
parent fa7dd9e181
commit 353dcd8cc4
4 changed files with 551 additions and 351 deletions
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722
Cargo.lock generated
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4
Cargo.toml
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@@ -21,7 +21,7 @@ name = "example_knob"
path = "examples/example_knob.rs" path = "examples/example_knob.rs"
[dependencies] [dependencies]
egui = "0.33" egui = "0.34"
[dev-dependencies] [dev-dependencies]
eframe = { version = "0.33", features = ["default_fonts"] } eframe = { version = "0.34", features = ["default_fonts"] }

5
examples/example_knob.rs
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@@ -43,8 +43,7 @@ impl Default for KnobDemo {
} }
impl eframe::App for KnobDemo { impl eframe::App for KnobDemo {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) { fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
ui.heading("Knob demo"); ui.heading("Knob demo");
ui.separator(); ui.separator();
@@ -54,7 +53,6 @@ impl eframe::App for KnobDemo {
ui.checkbox(&mut self.show_filled, "Filled segment"); ui.checkbox(&mut self.show_filled, "Filled segment");
ui.checkbox(&mut self.use_step, "Step (0.02)"); ui.checkbox(&mut self.use_step, "Step (0.02)");
ui.checkbox(&mut self.logarithmic_scaling, "Logarithmic"); ui.checkbox(&mut self.logarithmic_scaling, "Logarithmic");
}); });
ui.horizontal(|ui| { ui.horizontal(|ui| {
@@ -126,6 +124,5 @@ impl eframe::App for KnobDemo {
ui.add_space(10.0); ui.add_space(10.0);
ui.separator(); ui.separator();
});
} }
} }

9
src/widget.rs
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@@ -209,8 +209,7 @@ impl Widget for Knob<'_> {
} }
response.mark_changed(); response.mark_changed();
} else if response.hovered() & self.config.allow_scroll { } else if response.hovered() & self.config.allow_scroll && let Some(scoll) = ui.input(|input| {
if let Some(scoll) = ui.input(|input| {
input.events.iter().find_map(|e| match e { input.events.iter().find_map(|e| match e {
egui::Event::MouseWheel { delta, .. } => Some(*delta), egui::Event::MouseWheel { delta, .. } => Some(*delta),
_ => None, _ => None,
@@ -220,7 +219,6 @@ impl Widget for Knob<'_> {
+ scoll.y * self.config.step.unwrap_or(self.config.drag_sensitivity)) + scoll.y * self.config.step.unwrap_or(self.config.drag_sensitivity))
.clamp(0.0, 1.0); .clamp(0.0, 1.0);
} }
}
*self.value = if self.config.logarithmic_scaling { *self.value = if self.config.logarithmic_scaling {
remap(10f32.powf(raw), 1.0..=10.0, self.min..=self.max) remap(10f32.powf(raw), 1.0..=10.0, self.min..=self.max)
@@ -228,11 +226,10 @@ impl Widget for Knob<'_> {
remap(raw, 0.0..=1.0, self.min..=self.max) remap(raw, 0.0..=1.0, self.min..=self.max)
}; };
if response.double_clicked() { if response.double_clicked()
if let Some(reset_value) = self.config.reset_value { && let Some(reset_value) = self.config.reset_value {
*self.value = reset_value *self.value = reset_value
} }
}
let knob_rect = renderer.calculate_knob_rect(rect); let knob_rect = renderer.calculate_knob_rect(rect);
let center = knob_rect.center(); let center = knob_rect.center();