Derive Copy, Clone, Debug for builders whenever possible

src/widget/color_editors.rs

@@ -510,7 +510,7 @@ impl<'a> ColorPicker<'a> {
 /// ColorButton::new(im_str!("color_button"), [1.0, 0.0, 0.0, 1.0])
 ///     .build(&ui);
 /// ```
-#[derive(Debug, Clone)]
+#[derive(Copy, Clone, Debug)]
 #[must_use]
 pub struct ColorButton<'a> {
     desc_id: &'a ImStr,

src/widget/combo_box.rs

@@ -55,7 +55,7 @@ bitflags!(
 );
 
 /// Builder for a combo box widget
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 #[must_use]
 pub struct ComboBox<'a> {
     label: &'a ImStr,

src/widget/progress_bar.rs

@@ -17,7 +17,7 @@ use crate::Ui;
 ///     .overlay_text(im_str!("Progress!"))
 ///     .build(&ui);
 /// ```
-#[derive(Debug, Clone)]
+#[derive(Copy, Clone, Debug)]
 #[must_use]
 pub struct ProgressBar<'a> {
     fraction: f32,

src/widget/selectable.rs

@@ -20,7 +20,7 @@ bitflags!(
 );
 
 /// Builder for a selectable widget.
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 #[must_use]
 pub struct Selectable<'a> {
     label: &'a ImStr,

src/window/child_window.rs

@@ -7,7 +7,7 @@ use crate::window::WindowFlags;
 use crate::{Id, Ui};
 
 /// Builder for a child window
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 #[must_use]
 pub struct ChildWindow<'a> {
     id: Id<'a>,

src/window/mod.rs

@@ -148,6 +148,7 @@ impl<'ui> Ui<'ui> {
 }
 
 /// Builder for a window
+#[derive(Debug)]
 #[must_use]
 pub struct Window<'a> {
     name: &'a ImStr,