impl from stuff

hui-examples/examples/align_test.rs

@@ -44,7 +44,7 @@ fn main() {
           gap: 5.,
           padding: Sides::all(5.),
           align: (Alignment::Center, Alignment::Begin).into(),
-          size: (Size::Fraction(1.), Size::Fraction(1.)).into(),
+          size: (Size::Relative(1.), Size::Relative(1.)).into(),
           children: ElementList(vec![
             Box::new(ProgressBar {
               value: 0.5,
@@ -58,7 +58,7 @@ fn main() {
           gap: 5.,
           padding: Sides::all(5.),
           align: (Alignment::Center, Alignment::End).into(),
-          size: (Size::Fraction(1.), Size::Fraction(1.)).into(),
+          size: (Size::Relative(1.), Size::Relative(1.)).into(),
           children: ElementList(vec![
             Box::new(ProgressBar {
               value: z,
@@ -66,18 +66,18 @@ fn main() {
               ..Default::default()
             }),
             Box::new(Container {
-              size: (Size::Fraction(1.), Size::Auto).into(),
+              size: (Size::Relative(1.), Size::Auto).into(),
               align: (Alignment::End, Alignment::Center).into(),
               padding: Sides::all(5.),
               gap: 10.,
               children: ElementList(vec![
                 Box::new(FillRect {
-                  size: (Size::Fraction(0.5), Size::Static(30.)).into(),
+                  size: (Size::Relative(0.5), Size::Absolute(30.)).into(),
                   background: vec4(0.75, 0., 0., 1.).into(),
                   ..Default::default()
                 }),
                 Box::new(FillRect {
-                  size: (Size::Fraction(z / 2. + 0.5), Size::Static(30.)).into(),
+                  size: (Size::Relative(z / 2. + 0.5), Size::Absolute(30.)).into(),
                   background: Corners::left_right(
                     vec4(1., 0., 0., 1.),
                     vec4(0., 1., 0., 1.)
@@ -88,7 +88,7 @@ fn main() {
               ..Default::default()
             }),
             Box::new(FillRect {
-              size: (Size::Fraction(z / 2. + 0.5), Size::Static(30.)).into(),
+              size: (Size::Relative(z / 2. + 0.5), Size::Absolute(30.)).into(),
               background: vec4(0., 0.75, 0., 1.).into(),
               ..Default::default()
             }),
@@ -101,7 +101,7 @@ fn main() {
                 let mut x: Vec<Box<dyn UiElement>> = vec![];
                 for i in 0..10 {
                   x.push(Box::new(FillRect {
-                    size: (Size::Static(50.), Size::Static(50.)).into(),
+                    size: (Size::Absolute(50.), Size::Absolute(50.)).into(),
                     background: if i == 1 {
                       vec4(0.75, 0.75, 0.75, 0.75).into()
                     } else {
@@ -130,7 +130,7 @@ fn main() {
               },
               children: ElementList(vec![
                 Box::new(FillRect {
-                  size: (Size::Static(50.), Size::Static(50.)).into(),
+                  size: (Size::Absolute(50.), Size::Absolute(50.)).into(),
                   background: vec4(1., 1., 1., 0.75).into(),
                   ..Default::default()
                 }),

hui-examples/examples/rounded_rect.rs

@@ -42,11 +42,11 @@ fn main() {
         hui.add(Container {
           gap: 10.,
           align: Alignment::Center.into(),
-          size: (Size::Fraction(1.), Size::Fraction(1.)).into(),
+          size: (Size::Relative(1.), Size::Relative(1.)).into(),
           children: ElementList(vec![
             Box::new(Container {
               align: Alignment::Center.into(),
-              size: (Size::Fraction(0.5), Size::Fraction(0.5)).into(),
+              size: (Size::Relative(0.5), Size::Relative(0.5)).into(),
               background: vec4(1., 0., 0., 1.).into(),
               corner_radius: Corners {
                 top_left: 10.,
@@ -86,7 +86,7 @@ fn main() {
               direction: Direction::Horizontal,
               children: ElementList(vec![
                 Box::new(Container {
-                  size: (Size::Static(100.), Size::Static(100.)).into(),
+                  size: (Size::Absolute(100.), Size::Absolute(100.)).into(),
                   background: Corners::left_right(
                     vec4(1., 0., 0., 1.),
                     vec4(0., 1., 0., 1.)
@@ -95,7 +95,7 @@ fn main() {
                   ..Default::default()
                 }),
                 Box::new(Container {
-                  size: (Size::Static(100.), Size::Static(100.)).into(),
+                  size: (Size::Absolute(100.), Size::Absolute(100.)).into(),
                   background: Corners::left_right(
                     vec4(1., 0., 0., 1.),
                     vec4(0., 1., 0., 1.)
@@ -104,7 +104,7 @@ fn main() {
                   ..Default::default()
                 }),
                 Box::new(Container {
-                  size: (Size::Static(100.), Size::Static(100.)).into(),
+                  size: (Size::Absolute(100.), Size::Absolute(100.)).into(),
                   background: Corners::left_right(
                     vec4(1., 0., 0., 1.),
                     vec4(0., 1., 0., 1.)
@@ -113,7 +113,7 @@ fn main() {
                   ..Default::default()
                 }),
                 Box::new(Container {
-                  size: (Size::Static(100.), Size::Static(100.)).into(),
+                  size: (Size::Absolute(100.), Size::Absolute(100.)).into(),
                   background: Corners::left_right(
                     vec4(1., 0., 0., 1.),
                     vec4(0., 1., 0., 1.)

hui-examples/examples/text_weird.rs

@@ -48,7 +48,7 @@ fn main() {
         hui.begin();
 
         hui.add(Container {
-          size: (Size::Fraction(1.), Size::Fraction(1.)).into(),
+          size: (Size::Relative(1.), Size::Relative(1.)).into(),
           background: vec4(0.1, 0.1, 0.1, 1.).into(),
           children: elements(|elem| {
             elem.push(Box::new(Text {
@@ -72,12 +72,12 @@ fn main() {
               }));
             }
             elem.push(Box::new(FillRect {
-              size: (Size::Fraction(1.), Size::Static(10.)).into(),
+              size: (Size::Relative(1.), Size::Absolute(10.)).into(),
               background: vec4(0., 0., 1., 1.).into(),
               ..Default::default()
             }));
             elem.push(Box::new(FillRect {
-              size: (Size::Fraction(1.), Size::Static(10.)).into(),
+              size: (Size::Relative(1.), Size::Absolute(10.)).into(),
               background: vec4(1., 1., 0., 1.).into(),
               ..Default::default()
             }));
@@ -89,12 +89,12 @@ fn main() {
             }));
             if instant.elapsed().as_secs() & 1 != 0 {
               elem.push(Box::new(FillRect {
-                size: (Size::Fraction(1.), Size::Static(10.)).into(),
+                size: (Size::Relative(1.), Size::Absolute(10.)).into(),
                 background: vec4(1., 0., 0., 1.).into(),
                 ..Default::default()
               }));
               elem.push(Box::new(FillRect {
-                size: (Size::Fraction(1.), Size::Static(10.)).into(),
+                size: (Size::Relative(1.), Size::Absolute(10.)).into(),
                 background: vec4(0., 0., 0., 1.).into(),
                 ..Default::default()
               }));

hui-examples/examples/ui_test_6_slider.rs

@@ -41,7 +41,11 @@ ui_main!(
       .with_wrap(true)
       .with_children(|ui| {
         Text::new(format!("Number of images: {counter}"))
-          .with_text_size(24)
+          .with_text_size(32)
+          .add_child(ui);
+        Br.add_child(ui);
+        Text::new("Absolute tracking slider:")
+          .with_text_size(16)
           .add_child(ui);
         Br.add_child(ui);
         Slider::new(*counter as f32 / 100.)
@@ -51,6 +55,18 @@ ui_main!(
           })
           .add_child(ui);
         Br.add_child(ui);
+        Text::new("Relative tracking slider (Experimental):")
+          .with_text_size(16)
+          .add_child(ui);
+        Br.add_child(ui);
+        Slider::new(*counter as f32 / 100.)
+          .with_size(size!(66%, 20))
+          .with_follow_mode(hui::element::slider::SliderFollowMode::Relative)
+          .on_change(|x| {
+            CounterSignal::ChangeValue((x * 100.).round() as u32)
+          })
+          .add_child(ui);
+        Br.add_child(ui);
         for _ in 0..*counter {
           Image::new(*image)
             .with_size(size!(48, 48))

hui/src/element/builtin/container.rs

@@ -116,13 +116,13 @@ impl Container {
   pub fn measure_max_inner_size(&self, layout: &LayoutInfo) -> Vec2 {
     let outer_size_x = match self.size.width {
       Size::Auto => layout.max_size.x,
-      Size::Fraction(p) => layout.max_size.x * p,
+      Size::Relative(p) => layout.max_size.x * p,
-      Size::Static(p) => p,
+      Size::Absolute(p) => p,
     };
     let outer_size_y = match self.size.height {
       Size::Auto => layout.max_size.y,
-      Size::Fraction(p) => layout.max_size.y * p,
+      Size::Relative(p) => layout.max_size.y * p,
-      Size::Static(p) => p,
+      Size::Absolute(p) => p,
     };
     vec2(
       outer_size_x - (self.padding.left + self.padding.right),
@@ -148,13 +148,13 @@ impl UiElement for Container {
     let max_line_pri = match self.direction {
       Direction::Horizontal => match self.size.width {
         Size::Auto => ctx.layout.max_size.x,
-        Size::Fraction(p) => ctx.layout.max_size.x * p,
+        Size::Relative(p) => ctx.layout.max_size.x * p,
-        Size::Static(p) => p,
+        Size::Absolute(p) => p,
       },
       Direction::Vertical => match self.size.height {
         Size::Auto => ctx.layout.max_size.y,
-        Size::Fraction(p) => ctx.layout.max_size.y * p,
+        Size::Relative(p) => ctx.layout.max_size.y * p,
-        Size::Static(p) => p,
+        Size::Absolute(p) => p,
       }
     };
 
@@ -300,13 +300,13 @@ impl UiElement for Container {
 
     match self.size.width {
       Size::Auto => (),
-      Size::Fraction(percentage) => total_size.x = ctx.layout.max_size.x * percentage,
+      Size::Relative(percentage) => total_size.x = ctx.layout.max_size.x * percentage,
-      Size::Static(pixels) => total_size.x = pixels,
+      Size::Absolute(pixels) => total_size.x = pixels,
     }
     match self.size.height {
       Size::Auto => (),
-      Size::Fraction(percentage) => total_size.y = ctx.layout.max_size.y * percentage,
+      Size::Relative(percentage) => total_size.y = ctx.layout.max_size.y * percentage,
-      Size::Static(pixels) => total_size.y = pixels,
+      Size::Absolute(pixels) => total_size.y = pixels,
     }
 
     Response {

hui/src/element/builtin/fill_rect.rs

@@ -48,13 +48,13 @@ impl UiElement for FillRect {
       size: vec2(
         match self.size.width {
           Size::Auto => ctx.layout.max_size.x,
-          Size::Fraction(percentage) => ctx.layout.max_size.x * percentage,
+          Size::Relative(percentage) => ctx.layout.max_size.x * percentage,
-          Size::Static(pixels) => pixels,
+          Size::Absolute(pixels) => pixels,
         },
         match self.size.height {
           Size::Auto => ctx.layout.max_size.y,
-          Size::Fraction(percentage) => ctx.layout.max_size.y * percentage,
+          Size::Relative(percentage) => ctx.layout.max_size.y * percentage,
-          Size::Static(pixels) => pixels,
+          Size::Absolute(pixels) => pixels,
         },
       ),
       ..Default::default()

hui/src/element/builtin/slider.rs

@@ -12,6 +12,10 @@ use crate::{
   signal::{trigger::SignalTriggerArg, Signal},
 };
 
+
+//TODO: use state for slider?
+// ^ useful if the user only hanldes the drag end event or has large step sizes with relative mode
+
 /// Follow mode for the slider
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Default)]
 pub enum SliderFollowMode {
@@ -52,6 +56,11 @@ pub struct Slider {
   #[setters(into)]
   pub track_active_color: FillColor,
 
+  /// Track height relative to the slider height\
+  ///
+  /// Range: 0.0..=1.0
+  pub track_height_ratio: f32,
+
   /// Follow mode
   pub follow_mode: SliderFollowMode,
 
@@ -64,9 +73,10 @@ impl Default for Slider {
     Self {
       value: 0.0,
       size: Size2d::default(),
-      handle_color: (0.0, 0.0, 1.0).into(),
+      handle_color: (0.0, 0.0, 1.).into(),
       track_color: (0.5, 0.5, 0.5).into(),
       track_active_color: (0.0, 0.0, 0.75).into(),
+      track_height_ratio: 0.25,
       follow_mode: SliderFollowMode::default(),
       on_change: None
     }
@@ -74,7 +84,7 @@ impl Default for Slider {
 }
 
 impl Slider {
-  pub const DEFAULT_HEIGHT: f32 = 21.0;
+  pub const DEFAULT_HEIGHT: f32 = 20.0;
 
   pub fn new(value: f32) -> Self {
     Self {
@@ -104,18 +114,25 @@ impl UiElement for Slider {
   }
 
   fn process(&self, ctx: ProcessContext) {
-    //TODO: unhardcode this
-    let bgrect_height_ratio = 0.33;
-
     //XXX: some of these assumptions are wrong if the  corners are rounded
 
+    //Compute handle size:
+    // This is kinda counter-intuitive, but if the handle is transparent, we treat it as completely disabled
+    // To prevent confusing offset from the edge of the slider, we set the handle size to 0
+    let handle_size = if self.handle_color.is_transparent() {
+      Vec2::ZERO
+    } else {
+      vec2(15., ctx.measure.size.y)
+    };
+
     //Draw the track
     //If the active part is opaque and value >= 1., we don't need to draw the background as the active part will cover it
+    //However, if the handle is not opaque, we need to draw the background as the active part won't quite reach the end
     //Of corse, if it's fully transparent, we don't need to draw it either
-    if !(self.track_color.is_transparent() || (self.track_active_color.is_opaque() && self.value >= 1.)) {
+    if !(self.track_color.is_transparent() || (self.track_active_color.is_opaque() && self.handle_color.is_opaque() && self.value >= 1.)) {
       ctx.draw.add(UiDrawCommand::Rectangle {
-        position: ctx.layout.position + ctx.measure.size * vec2(0., 0.5 - bgrect_height_ratio / 2.),
+        position: ctx.layout.position + ctx.measure.size * vec2(0., 0.5 - self.track_height_ratio / 2.),
-        size: ctx.measure.size * vec2(1., bgrect_height_ratio),
+        size: ctx.measure.size * vec2(1., self.track_height_ratio),
         color: self.track_color.into(),
         texture: None,
         rounded_corners: None,
@@ -124,10 +141,11 @@ impl UiElement for Slider {
 
     //"Active" part of the track
     //We can skip drawing it if it's fully transparent or value <= 0.
-    if !(self.track_active_color.is_transparent() || self.value <= 0.) {
+    //But if the handle is not opaque, it should be visible even if value is zero
+    if !(self.track_active_color.is_transparent() || (self.value <= 0. && self.handle_color.is_opaque())) {
       ctx.draw.add(UiDrawCommand::Rectangle {
-        position: ctx.layout.position + ctx.measure.size * vec2(0., 0.5 - bgrect_height_ratio / 2.),
+        position: ctx.layout.position + ctx.measure.size * vec2(0., 0.5 - self.track_height_ratio / 2.),
-        size: ctx.measure.size * vec2(self.value, bgrect_height_ratio),
+        size: (ctx.measure.size - handle_size * Vec2::X) * vec2(self.value, self.track_height_ratio) + handle_size * Vec2::X / 2.,
         color: self.track_active_color.into(),
         texture: None,
         rounded_corners: None,
@@ -135,14 +153,7 @@ impl UiElement for Slider {
     }
 
     // The handle
-    // This is kinda counter-intuitive, but if the handle is transparent, we treat it as completely disabled
+    if handle_size.x != 0. && !self.handle_color.is_transparent() {
-    // To prevent confusing offset from the edge of the slider, we set the handle size to 0
-    let handle_size = if self.handle_color.is_transparent() {
-      Vec2::ZERO
-    } else {
-      vec2(15., ctx.measure.size.y)
-    };
-    if handle_size.x != 0. {
       let value = self.value.clamp(0., 1.);
       ctx.draw.add(UiDrawCommand::Rectangle {
         position: ctx.layout.position + ((ctx.measure.size.x - handle_size.x) * value) * Vec2::X,

hui/src/element/builtin/text.rs

@@ -86,13 +86,13 @@ impl UiElement for Text {
       size: vec2(
         match self.size.width {
           Size::Auto => size.0,
-          Size::Fraction(percentage) => ctx.layout.max_size.x * percentage,
+          Size::Relative(percentage) => ctx.layout.max_size.x * percentage,
-          Size::Static(pixels) => pixels,
+          Size::Absolute(pixels) => pixels,
         },
         match self.size.height {
           Size::Auto => size.1,
-          Size::Fraction(percentage) => ctx.layout.max_size.y * percentage,
+          Size::Relative(percentage) => ctx.layout.max_size.y * percentage,
-          Size::Static(pixels) => pixels,
+          Size::Absolute(pixels) => pixels,
         },
       ),
       ..Default::default()

hui/src/frame.rs

@@ -0,0 +1,195 @@
+use glam::{Vec2, vec2};
+use derive_more::{Add, AddAssign, Sub, SubAssign};
+use crate::{
+  draw::ImageHandle,
+  element::fill_rect::FillRect,
+  layout::{Size, Size2d}
+};
+
+//TODO finish dis, slider component would be a great place to test it
+
+/// Point inside a frame
+///
+/// Can be absolute, relative, or a combination of both\
+/// Final coordinate is calculated as `absolute + relative * parent_size`
+#[derive(Clone, Copy, Debug, Default, Add, AddAssign, Sub, SubAssign)]
+pub struct FramePoint {
+  /// Absolute positioning
+  pub absolute: f32,
+
+  /// Relative positioning
+  pub relative: f32,
+}
+
+impl From<f32> for FramePoint {
+  fn from(value: f32) -> Self {
+    Self::absolute(value)
+  }
+}
+
+impl From<Size> for FramePoint {
+  /// Convert a `Size` into a `FramePoint`
+  ///
+  /// This function behaves just as you would expect, but `Auto` is always treated as `BEGIN`
+  fn from(size: Size) -> Self {
+    match size {
+      Size::Auto => Self::BEGIN,
+      Size::Relative(value) => Self::relative(value),
+      Size::Absolute(value) => Self::absolute(value),
+    }
+  }
+}
+
+impl FramePoint {
+  pub const BEGIN: Self = Self {
+    absolute: 0.0,
+    relative: 0.0,
+  };
+
+  pub const CENTER: Self = Self {
+    absolute: 0.5,
+    relative: 0.0,
+  };
+
+  pub const END: Self = Self {
+    absolute: 1.0,
+    relative: 0.0,
+  };
+
+  pub const fn absolute(value: f32) -> Self {
+    Self {
+      absolute: value,
+      relative: 0.0,
+    }
+  }
+
+  pub const fn relative(value: f32) -> Self {
+    Self {
+      absolute: 0.0,
+      relative: value,
+    }
+  }
+
+  pub const fn relative_absolute(relative: f32, absolute: f32) -> Self {
+    Self {
+      absolute,
+      relative,
+    }
+  }
+
+  fn resolve(&self, parent_size: f32) -> f32 {
+    self.absolute + self.relative * parent_size
+  }
+}
+
+#[derive(Clone, Copy, Debug, Default, Add, AddAssign, Sub, SubAssign)]
+pub struct FramePoint2d {
+  pub x: FramePoint,
+  pub y: FramePoint,
+}
+
+impl From<(FramePoint, FramePoint)> for FramePoint2d {
+  fn from((x, y): (FramePoint, FramePoint)) -> Self {
+    Self { x, y }
+  }
+}
+
+impl From<Size> for FramePoint2d {
+  fn from(size: Size) -> Self {
+    Self {
+      x: size.into(),
+      y: size.into(),
+    }
+  }
+}
+
+impl From<Size2d> for FramePoint2d {
+  fn from(size: Size2d) -> Self {
+    Self {
+      x: size.width.into(),
+      y: size.height.into(),
+    }
+  }
+}
+
+impl From<(f32, f32)> for FramePoint2d {
+  fn from((x, y): (f32, f32)) -> Self {
+    Self {
+      x: FramePoint::absolute(x),
+      y: FramePoint::absolute(y),
+    }
+  }
+}
+
+impl From<Vec2> for FramePoint2d {
+  fn from(vec: Vec2) -> Self {
+    Self {
+      x: FramePoint::absolute(vec.x),
+      y: FramePoint::absolute(vec.y),
+    }
+  }
+}
+
+impl FramePoint2d {
+  pub const TOP_LEFT: Self = Self {
+    x: FramePoint::BEGIN,
+    y: FramePoint::BEGIN,
+  };
+  pub const TOP_CENTER: Self = Self {
+    x: FramePoint::CENTER,
+    y: FramePoint::BEGIN,
+  };
+  pub const TOP_RIGHT: Self = Self {
+    x: FramePoint::END,
+    y: FramePoint::BEGIN,
+  };
+  pub const CENTER_LEFT: Self = Self {
+    x: FramePoint::BEGIN,
+    y: FramePoint::CENTER,
+  };
+  pub const CENTER: Self = Self {
+    x: FramePoint::CENTER,
+    y: FramePoint::CENTER,
+  };
+  pub const CENTER_RIGHT: Self = Self {
+    x: FramePoint::END,
+    y: FramePoint::CENTER,
+  };
+  pub const BOTTOM_LEFT: Self = Self {
+    x: FramePoint::BEGIN,
+    y: FramePoint::END,
+  };
+  pub const BOTTOM_CENTER: Self = Self {
+    x: FramePoint::CENTER,
+    y: FramePoint::END,
+  };
+  pub const BOTTOM_RIGHT: Self = Self {
+    x: FramePoint::END,
+    y: FramePoint::END,
+  };
+
+  pub fn resolve(&self, parent_size: Vec2) -> Vec2 {
+    let x = self.x.resolve(parent_size.x);
+    let y = self.y.resolve(parent_size.y);
+    vec2(x, y)
+  }
+}
+
+enum FrameLayer {
+  Rect {
+    color: FillRect,
+    image: Option<ImageHandle>,
+    top_left: FramePoint2d,
+    bottom_right: FramePoint2d,
+  }
+}
+
+pub struct Frame {
+  layers: Vec<FrameLayer>
+}
+
+impl<T: Into<FillRect>> From<T> for Frame {
+  fn from(value: T) -> Self {
+    todo!()
+  }
+}

hui/src/layout.rs

@@ -91,18 +91,18 @@ pub enum Size {
   ///
   /// Out of range values are allowed, but are not guaranteed to work as expected\
   /// (especially with negative values)
-  Fraction(f32),
+  Relative(f32),
 
   //TODO FractionRemaining(f32),
 
   /// Static size in pixels
-  Static(f32),
+  Absolute(f32),
 }
 
 impl From<f32> for Size {
   #[inline]
   fn from(value: f32) -> Self {
-    Self::Static(value)
+    Self::Absolute(value)
   }
 }
 
@@ -166,13 +166,13 @@ pub struct LayoutInfo {
 pub fn compute_size(layout: &LayoutInfo, size: Size2d, comfy_size: Vec2) -> Vec2 {
   let width = match size.width {
     Size::Auto => comfy_size.x,
-    Size::Fraction(fraction) => layout.max_size.x * fraction,
+    Size::Relative(fraction) => layout.max_size.x * fraction,
-    Size::Static(size) => size,
+    Size::Absolute(size) => size,
   };
   let height = match size.height {
     Size::Auto => comfy_size.y,
-    Size::Fraction(fraction) => layout.max_size.y * fraction,
+    Size::Relative(fraction) => layout.max_size.y * fraction,
-    Size::Static(size) => size,
+    Size::Absolute(size) => size,
   };
   vec2(width, height)
 }

hui/src/lib.rs

@@ -22,5 +22,6 @@ pub mod state;
 pub mod text;
 pub mod color;
 pub mod signal;
+pub mod frame;
 
 pub use instance::UiInstance;

hui/src/macros.rs

@@ -3,16 +3,16 @@
 ///
 /// # Syntax:
 /// - `auto` - `Size::Auto`
-/// - `x` - `Size::Static(x)`
+/// - `x` - `Size::Absolute(x)`
-/// - `x%` - `Size::Fraction(x / 100.)` *(literal only)*
+/// - `x%` - `Size::Relative(x / 100.)` *(literal only)*
-/// - `x/` - `Size::Fraction(x)`
+/// - `x/` - `Size::Relative(x)`
 ///
 /// ...where `x` is a literal, identifier or an expression wrapped in parentheses
 ///
 /// # Note:
 /// - If a single argument is provided, it creates a `Size` using the rules specified above\
 /// - If two arguments are provided, it creates a `Size2d` with the first value as width and the second as height\
-///   Example: `size!(100, 50%)` creates a `Size2d` with width `100` (`Size::Static(100.)`) and height `50%` (`Size::Fraction(0.5)`)
+///   Example: `size!(100, 50%)` creates a `Size2d` with width `100` (`Size::Absolute(100.)`) and height `50%` (`Size::Relative(0.5)`)
 /// - `%` syntax is only valid for literals (`50%`), not expressions or identidiers.\
 ///   Use `/` instead (`(0.5 * x)/`, `x/`), but be aware of the different range (0.0-1.0) \
 /// - Expressions must be wrapped in parentheses (for example: `(x + 5)`).\
@@ -24,27 +24,27 @@ macro_rules! size {
   };
 
   ($x:literal) => {
-    $crate::layout::Size::Static($x as f32)
+    $crate::layout::Size::Absolute($x as f32)
   };
   ($x:literal %) => {
-    $crate::layout::Size::Fraction($x as f32 / 100.)
+    $crate::layout::Size::Relative($x as f32 / 100.)
   };
   ($x:literal /) => {
-    $crate::layout::Size::Fraction($x as f32)
+    $crate::layout::Size::Relative($x as f32)
   };
 
   ($x:ident) => {
-    $crate::layout::Size::Static($x as f32)
+    $crate::layout::Size::Absolute($x as f32)
   };
   ($x:ident /) => {
-    $crate::layout::Size::Fraction($x as f32)
+    $crate::layout::Size::Relative($x as f32)
   };
 
   (($x:expr)) => {
-    $crate::layout::Size::Static(($x) as f32)
+    $crate::layout::Size::Absolute(($x) as f32)
   };
   (($x:expr) /) => {
-    $crate::layout::Size::Fraction(($x) as f32)
+    $crate::layout::Size::Relative(($x) as f32)
   };
 
   ($x:tt , $y:tt $($ys:tt)?) => {