app work?

src/core/position/align.rs

@@ -7,8 +7,7 @@ pub struct Aligned {
 
 impl Widget for Aligned {
     fn draw(&mut self, painter: &mut Painter) {
-        let region =
-            UiRegion::from_ui_size_align(painter.size(&self.inner).to_uivec2(), self.align);
+        let region = UiRegion::from_ui_size_align(painter.region_size(&self.inner), self.align);
         painter.widget_within(&self.inner, region);
     }
 

src/core/position/sized.rs

@@ -12,6 +12,13 @@ impl Widget for Sized {
     }
 
     fn desired_size(&mut self, ctx: &mut SizeCtx) -> Size {
+        let rel = ctx.size.rel;
+        if let Some(x) = self.x {
+            ctx.size.axis_mut(Axis::X).set(x.apply_rest(rel.x));
+        }
+        if let Some(y) = self.y {
+            ctx.size.axis_mut(Axis::Y).set(y.apply_rest(rel.y));
+        }
         Size {
             x: self.x.unwrap_or_else(|| ctx.size(&self.inner).x),
             y: self.y.unwrap_or_else(|| ctx.size(&self.inner).y),

src/core/text/edit.rs

@@ -182,7 +182,7 @@ impl<'a> TextEditCtx<'a> {
     }
 
     pub fn select(&mut self, pos: Vec2, size: Vec2) {
-        let pos = pos - self.text.region().top_left.to_size(size);
+        let pos = pos - self.text.region().top_left.to_abs(size);
         self.text.cursor = self.text.buf.hit(pos.x, pos.y);
     }
 

src/layout/orientation.rs

@@ -1,7 +1,7 @@
 use std::ops::Not;
 
 use crate::{
-    layout::{UiNum, UiVec2, Vec2, vec2},
+    layout::{UiNum, UiScalar, UiVec2, Vec2, vec2},
     util::impl_op,
 };
 
@@ -143,17 +143,8 @@ impl Size {
         }
     }
 
-    pub fn to_uivec2(self) -> UiVec2 {
-        UiVec2 {
-            rel: Vec2 {
-                x: self.x.total_rel(),
-                y: self.y.total_rel(),
-            },
-            abs: Vec2 {
-                x: self.x.abs,
-                y: self.y.abs,
-            },
-        }
+    pub fn to_uivec2(self, rel_len: Vec2) -> UiVec2 {
+        UiVec2::from_scalars(self.x.apply_rest(rel_len.x), self.y.apply_rest(rel_len.y))
     }
 
     pub fn from_axis(axis: Axis, aligned: Len, ortho: Len) -> Self {
@@ -184,13 +175,17 @@ impl Len {
         rest: 0.0,
     };
 
-    pub fn total_rel(&self) -> f32 {
-        if self.rest > 0.0 {
+    pub fn apply_rest(&self, rel_len: f32) -> UiScalar {
+        UiScalar {
+            rel: if self.rest > 0.0 {
                 self.rel.max(1.0)
             } else {
                 self.rel
+            } * rel_len,
+            abs: if self.rest > 0.0 { 0.0 } else { self.abs },
         }
     }
+
     pub fn abs(abs: impl UiNum) -> Self {
         Self {
             abs: abs.to_f32(),

src/layout/painter.rs

@@ -1,7 +1,7 @@
 use crate::{
     layout::{
         Layers, Modules, Size, TextAttrs, TextBuffer, TextData, TextTexture, TextureHandle,
-        Textures, UiRegion, Vec2, WidgetId, Widgets,
+        Textures, UiRegion, UiVec2, Vec2, WidgetId, Widgets,
     },
     render::{Mask, MaskIdx, Primitive, PrimitiveHandle, PrimitiveInst},
     util::{HashMap, HashSet, Id, TrackedArena},
@@ -91,12 +91,12 @@ impl<'a> PainterCtx<'a> {
                 text: self.text,
                 textures: self.textures,
                 widgets: self.widgets,
-                region: UiRegion::full(),
+                size: UiVec2::FULL_SIZE,
                 screen_size: self.screen_size,
                 px_dependent: self.px_dependent,
                 id,
             };
-            let desired = ctx.size_inner(id, active.region);
+            let desired = ctx.size_inner(id, active.region.size());
             if size != desired {
                 self.redraw(rid);
                 if self.draw_started.contains(&id) {
@@ -190,7 +190,7 @@ impl<'a> PainterCtx<'a> {
             screen_size: painter.ctx.screen_size,
             px_dependent: painter.ctx.px_dependent,
             id: painter.id,
-            region: UiRegion::full(),
+            size: UiVec2::FULL_SIZE,
         }
         .size_raw(id);
 
@@ -352,6 +352,10 @@ impl<'a, 'c> Painter<'a, 'c> {
         self.size_ctx().size(id)
     }
 
+    pub fn region_size<W>(&mut self, id: &WidgetId<W>) -> UiVec2 {
+        self.size_ctx().size(id).to_uivec2(self.region.size().rel)
+    }
+
     pub fn size_ctx(&mut self) -> SizeCtx<'_> {
         SizeCtx {
             text: self.ctx.text,
@@ -361,13 +365,13 @@ impl<'a, 'c> Painter<'a, 'c> {
             screen_size: self.ctx.screen_size,
             px_dependent: self.ctx.px_dependent,
             id: self.id,
-            region: self.region,
+            size: self.region.size(),
         }
     }
 
     pub fn px_size(&mut self) -> Vec2 {
         self.ctx.px_dependent.insert(self.id);
-        self.region.in_size(self.ctx.screen_size)
+        self.region.size().to_abs(self.ctx.screen_size)
     }
 
     pub fn text_data(&mut self) -> &mut TextData {
@@ -389,38 +393,39 @@ pub struct SizeCtx<'a> {
     widgets: &'a Widgets,
     px_dependent: &'a mut HashSet<Id>,
     checked: &'a mut HashMap<Id, Size>,
-    region: UiRegion,
+    /// TODO: should this be pub? rn used for sized
+    pub size: UiVec2,
     screen_size: Vec2,
     id: Id,
 }
 
 impl SizeCtx<'_> {
-    fn size_inner(&mut self, id: Id, region: UiRegion) -> Size {
-        let self_region = self.region;
-        self.region = region;
+    fn size_inner(&mut self, id: Id, size: UiVec2) -> Size {
+        let self_size = self.size;
+        self.size = size;
         let size = self.widgets.get_dyn_dynamic(id).desired_size(self);
-        self.region = self_region;
+        self.size = self_size;
         self.checked.insert(id, size);
         size
     }
     pub fn size<W>(&mut self, id: &WidgetId<W>) -> Size {
         // TODO: determine if this is useful
-        if let Some(&size) = self.checked.get(&id.id) {
-            return size;
-        }
-        self.size_inner(id.id, self.region)
+        // if let Some(&size) = self.checked.get(&id.id) {
+        //     return size;
+        // }
+        self.size_inner(id.id, self.size)
     }
     fn size_raw(&mut self, id: Id) -> Size {
-        self.size_inner(id, self.region)
-    }
-    pub fn size_within<W>(&mut self, id: &WidgetId<W>, region: UiRegion) -> Size {
-        self.size_inner(id.id, region.within(&self.region))
+        self.size_inner(id, self.size)
     }
     pub fn px_size(&mut self) -> Vec2 {
         self.px_dependent.insert(self.id);
-        self.region.in_size(self.screen_size)
+        self.size.to_abs(self.screen_size)
     }
     pub fn draw_text(&mut self, buffer: &mut TextBuffer, attrs: &TextAttrs) -> TextTexture {
         self.text.draw(buffer, attrs, self.textures)
     }
+    pub fn label(&self) -> &String {
+        self.widgets.label(&self.id)
+    }
 }

src/layout/pos.rs

@@ -100,11 +100,11 @@ impl UiVec2 {
         self
     }
 
-    pub fn to_size(&self, size: Vec2) -> Vec2 {
-        self.rel * size + self.abs
+    pub fn to_abs(&self, rel: Vec2) -> Vec2 {
+        self.rel * rel + self.abs
     }
 
-    pub const MAX_SIZE: Self = Self::rel(Vec2::ONE);
+    pub const FULL_SIZE: Self = Self::rel(Vec2::ONE);
 
     pub const fn from_axis(axis: Axis, aligned: UiScalar, ortho: UiScalar) -> Self {
         Self {
@@ -112,6 +112,13 @@ impl UiVec2 {
             abs: Vec2::from_axis(axis, aligned.abs, ortho.abs),
         }
     }
+
+    pub const fn from_scalars(x: UiScalar, y: UiScalar) -> Self {
+        Self {
+            rel: Vec2 { x: x.rel, y: y.rel },
+            abs: Vec2 { x: x.abs, y: y.abs },
+        }
+    }
 }
 
 impl Display for UiVec2 {
@@ -276,10 +283,6 @@ impl UiRegion {
         Align::Center.pos().within(self)
     }
 
-    pub fn in_size(&self, size: Vec2) -> Vec2 {
-        self.bot_right.to_size(size) - self.top_left.to_size(size)
-    }
-
     pub fn size(&self) -> UiVec2 {
         self.bot_right - self.top_left
     }