Use `Padding::horizontal` and `Padding::vertical` helpers

core/src/size.rs

@@ -30,8 +30,8 @@ impl Size {
     /// Increments the [`Size`] to account for the given padding.
     pub fn pad(&self, padding: Padding) -> Self {
         Size {
-            width: self.width + (padding.left + padding.right) as f32,
+            width: self.width + padding.horizontal() as f32,
-            height: self.height + (padding.top + padding.bottom) as f32,
+            height: self.height + padding.vertical() as f32,
         }
     }
 }

graphics/src/overlay/menu.rs

@@ -53,7 +53,7 @@ where
         use std::f32;
 
         let is_mouse_over = bounds.contains(cursor_position);
-        let option_height = (text_size + padding.top + padding.bottom) as usize;
+        let option_height = (text_size + padding.vertical()) as usize;
 
         let mut primitives = Vec::new();
 
@@ -72,7 +72,7 @@ where
                 x: bounds.x,
                 y: bounds.y + (option_height * i) as f32,
                 width: bounds.width,
-                height: f32::from(text_size + padding.top + padding.bottom),
+                height: f32::from(text_size + padding.vertical()),
             };
 
             if is_selected {

graphics/src/widget/pick_list.rs

@@ -57,8 +57,7 @@ where
             font: B::ICON_FONT,
             size: bounds.height * style.icon_size,
             bounds: Rectangle {
-                x: bounds.x + bounds.width
+                x: bounds.x + bounds.width - f32::from(padding.horizontal()),
-                    - f32::from(padding.left + padding.right),
                 y: bounds.center_y(),
                 ..bounds
             },

native/src/layout/limits.rs

@@ -119,8 +119,8 @@ impl Limits {
     /// Shrinks the current [`Limits`] to account for the given padding.
     pub fn pad(&self, padding: Padding) -> Limits {
         self.shrink(Size::new(
-            (padding.left + padding.right) as f32,
+            padding.horizontal() as f32,
-            (padding.top + padding.bottom) as f32,
+            padding.vertical() as f32,
         ))
     }
 

native/src/overlay/menu.rs

@@ -299,7 +299,7 @@ where
         let size = {
             let intrinsic = Size::new(
                 0.0,
-                f32::from(text_size + self.padding.top + self.padding.bottom)
+                f32::from(text_size + self.padding.vertical())
                     * self.options.len() as f32,
             );
 
@@ -364,11 +364,8 @@ where
 
                     *self.hovered_option = Some(
                         ((cursor_position.y - bounds.y)
-                            / f32::from(
+                            / f32::from(text_size + self.padding.vertical()))
-                                text_size
+                            as usize,
-                                    + self.padding.top
-                                    + self.padding.bottom,
-                            )) as usize,
                     );
 
                     if let Some(index) = *self.hovered_option {