Minor documentation improvements

egui/src/containers/popup.rs

@@ -162,6 +162,7 @@ fn show_tooltip_area(
 ///     ui.memory().toggle_popup(popup_id);
 /// }
 /// egui::popup::popup_below_widget(ui, popup_id, &response, |ui| {
+///     ui.set_min_width(200.0); // if you want to control the size
 ///     ui.label("Some more info, or things you can select:");
 ///     ui.label("…");
 /// });

egui/src/layers.rs

@@ -142,7 +142,7 @@ impl GraphicLayers {
             let order_map = &mut self.0[order as usize];
 
             // If a layer is empty at the start of the frame
-            // the nobody has added to it, and it is old and defunct.
+            // then nobody has added to it, and it is old and defunct.
             // Free it to save memory:
             order_map.retain(|_, list| !list.lock().is_empty());
 

egui/src/memory.rs

@@ -303,7 +303,7 @@ impl Memory {
         !self.had_focus_last_frame(id) && self.has_focus(id)
     }
 
-    /// Does this widget have keybaord focus?
+    /// Does this widget have keyboard focus?
     #[inline(always)]
     pub fn has_focus(&self, id: Id) -> bool {
         self.interaction.focus.id == Some(id)

egui/src/widgets/image.rs

@@ -10,6 +10,8 @@ use crate::*;
 /// // Shorter version:
 /// ui.image(my_texture_id, [640.0, 480.0]);
 /// ```
+///
+/// Se also [`crate::ImageButton`].
 #[must_use = "You should put this widget in an ui with `ui.add(widget);`"]
 #[derive(Clone, Copy, Debug)]
 pub struct Image {

egui/src/widgets/slider.rs

@@ -49,6 +49,8 @@ struct SliderSpec {
 /// # let mut my_f32: f32 = 0.0;
 /// ui.add(egui::Slider::new(&mut my_f32, 0.0..=100.0).text("My value"));
 /// ```
+///
+/// The default `Slider` size is set by [`crate::style::Spacing::slider_width`].
 #[must_use = "You should put this widget in an ui with `ui.add(widget);`"]
 pub struct Slider<'a> {
     get_set_value: GetSetValue<'a>,