update egui and fix clippy warnings

Cargo.toml

@@ -21,7 +21,7 @@ name = "example_knob"
 path = "examples/example_knob.rs"
 
 [dependencies]
-egui = "0.33"
+egui = "0.34"
 
 [dev-dependencies]
-eframe = { version = "0.33", features = ["default_fonts"] }
+eframe = { version = "0.34", features = ["default_fonts"] }

examples/example_knob.rs

@@ -43,8 +43,7 @@ impl Default for KnobDemo {
 }
 
 impl eframe::App for KnobDemo {
-    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
-        egui::CentralPanel::default().show(ctx, |ui| {
+    fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
         ui.heading("Knob demo");
         ui.separator();
 
@@ -54,7 +53,6 @@ impl eframe::App for KnobDemo {
             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| {
@@ -126,6 +124,5 @@ impl eframe::App for KnobDemo {
 
         ui.add_space(10.0);
         ui.separator();
-        });
     }
 }

src/widget.rs

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