obsqrbtz/egui_knob
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add example option, clean up

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This commit is contained in:
Julius Schmitt
2026-01-22 20:56:48 +01:00
parent 969ba9bcb5
commit 37d0792175
2 changed files with 16 additions and 10 deletions
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11
examples/example_knob.rs
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@@ -21,6 +21,7 @@ struct KnobDemo {
show_bg_arc: bool,
show_filled: bool,
use_step: bool,
logarithmic_scaling: bool,
knob_color: egui::Color32,
line_color: egui::Color32,
text_color: egui::Color32,
@@ -33,6 +34,7 @@ impl Default for KnobDemo {
show_bg_arc: true,
show_filled: true,
use_step: false,
logarithmic_scaling: false,
knob_color: egui::Color32::DARK_GRAY,
line_color: egui::Color32::LIGHT_BLUE,
text_color: egui::Color32::WHITE,
@@ -51,6 +53,8 @@ impl eframe::App for KnobDemo {
ui.checkbox(&mut self.show_bg_arc, "Background arc");
ui.checkbox(&mut self.show_filled, "Filled segment");
ui.checkbox(&mut self.use_step, "Step (0.02)");
ui.checkbox(&mut self.logarithmic_scaling, "Logarithmic");
});
ui.horizontal(|ui| {
@@ -82,7 +86,7 @@ impl eframe::App for KnobDemo {
.enumerate()
{
ui.vertical(|ui| {
let mut knob = Knob::new(&mut self.values[i], 0., 3., *config)
let mut knob = Knob::new(&mut self.values[i], 0., 1., *config)
.with_label(*label, LabelPosition::Bottom)
.with_background_arc(self.show_bg_arc)
.with_show_filled_segments(self.show_filled)
@@ -90,7 +94,10 @@ impl eframe::App for KnobDemo {
.with_step(self.use_step.then_some(0.02))
.with_double_click_reset(0.5)
.with_middle_scroll();
//.with_logarithmic_scaling();
if self.logarithmic_scaling {
knob = knob.with_logarithmic_scaling();
}
if *label == "Wiper, Sweep" {
knob = knob.with_sweep_range(0.25, 0.75).with_size(50.0);