rename spacing to gap

src/core/position/span.rs

@@ -3,7 +3,7 @@ use crate::prelude::*;
 pub struct Span {
     pub children: Vec<WidgetId>,
     pub dir: Dir,
-    pub spacing: f32,
+    pub gap: f32,
 }
 
 impl Widget for Span {
@@ -27,14 +27,14 @@ impl Widget for Span {
                 child_region.flip(self.dir.axis);
             }
             painter.widget_within(child, child_region);
-            start.abs += self.spacing;
+            start.abs += self.gap;
         }
     }
 
     fn desired_size(&mut self, ctx: &mut SizeCtx) -> Size {
         let mut sums = self.len_sum(ctx);
         let dir_len = if sums.rest == 0.0 && sums.rel == 0.0 {
-            sums.abs += self.spacing * self.children.len().saturating_sub(1) as f32;
+            sums.abs += self.gap * self.children.len().saturating_sub(1) as f32;
             sums
         } else {
             Len::default()
@@ -59,12 +59,12 @@ impl Span {
         Self {
             children: Vec::new(),
             dir,
-            spacing: 0.0,
+            gap: 0.0,
         }
     }
 
-    pub fn spacing(mut self, spacing: impl UiNum) -> Self {
-        self.spacing = spacing.to_f32();
+    pub fn gap(mut self, gap: impl UiNum) -> Self {
+        self.gap = gap.to_f32();
         self
     }
 

src/core/trait_fns.rs

@@ -99,7 +99,7 @@ impl<const LEN: usize, Wa: WidgetArrLike<LEN, Tag>, Tag> CoreWidgetArr<LEN, Wa,
         move |ui| Span {
             children: self.ui(ui).arr.to_vec(),
             dir,
-            spacing: 0.0,
+            gap: 0.0,
         }
     }
     fn stack(self) -> StackBuilder<LEN, Wa, Tag> {

src/testing/mod.rs

@@ -125,7 +125,7 @@ impl Client {
             .span(Dir::DOWN)
             .add_static(&mut ui);
 
-        let texts = Span::empty(Dir::DOWN).spacing(10).add_static(&mut ui);
+        let texts = Span::empty(Dir::DOWN).gap(10).add_static(&mut ui);
         let msg_area = (Rect::new(Color::SKY), texts.scroll().masked()).stack();
         let add_text = text("add")
             .editable()