@@ -2,16 +2,16 @@ use gpui::{
elements::node::{column, length::auto, row, text},
AnyElement, Element, LayoutContext, View, ViewContext,
};
-use std::{borrow::Cow, marker::PhantomData};
+use std::{borrow::Cow, cell::RefCell, marker::PhantomData, rc::Rc};
use tokens::{margin::m4, text::lg};
mod tokens;
#[derive(Element, Clone, Default)]
-pub struct Playground;
+pub struct Playground<V: View>(PhantomData<V>);
-impl Playground {
- pub fn render<V: View>(&mut self, _: &mut V, _: &mut gpui::ViewContext<V>) -> AnyElement<V> {
+impl<V: View> Playground<V> {
+ pub fn render(&mut self, _: &mut V, _: &mut gpui::ViewContext<V>) -> AnyElement<V> {
column()
.width(auto())
.child(
@@ -22,30 +22,25 @@ impl Playground {
.into_any()
}
- fn action_1(&mut self, data: &usize, _: &mut ViewContext<Self>) {
+ fn action_1(_: &mut V, data: &usize, _: &mut ViewContext<V>) {
println!("action 1: data is {}", *data);
}
- fn action_2(&mut self, data: &usize, _: &mut ViewContext<Self>) {
+ fn action_2(_: &mut V, data: &usize, _: &mut ViewContext<V>) {
println!("action 1: data is {}", *data);
}
}
-pub trait DialogDelegate<V: View>: 'static {
- fn handle_confirm<B>(&mut self, view: &mut V, button: B);
-}
+pub trait DialogDelegate<V: View>: 'static {}
-impl<V: View> DialogDelegate<V> for () {
- fn handle_cancel<B>(&mut self, view: &mut V, button: B) {}
- fn handle_confirm<B>(&mut self, _: &mut V, _: B) {}
-}
+impl<V: View> DialogDelegate<V> for () {}
#[derive(Element)]
pub struct Dialog<V: View, D: DialogDelegate<V>> {
title: Cow<'static, str>,
description: Cow<'static, str>,
delegate: Option<Rc<RefCell<D>>>,
- buttons: Vec<Box<dyn Fn() -> Button>>,
+ buttons: Vec<Box<dyn FnOnce() -> AnyElement<V>>>,
view_type: PhantomData<V>,
}
@@ -64,19 +59,21 @@ pub fn dialog<V: View>(
impl<V: View, D: DialogDelegate<V>> Dialog<V, D> {
pub fn delegate(mut self, delegate: D) -> Dialog<V, D> {
- let old_delegate = self.delegate.replace(delegate);
+ let old_delegate = self.delegate.replace(Rc::new(RefCell::new(delegate)));
debug_assert!(old_delegate.is_none(), "delegate already set");
self
}
- pub fn button<L, D, H>(mut self, label: L, data: D, handler: H) -> Self
+ pub fn button<L, Data, H>(mut self, label: L, data: Data, handler: H) -> Self
where
- L: Into<Cow<'static, str>>,
- D: 'static,
- H: ClickHandler<V, D>,
+ L: 'static + Into<Cow<'static, str>>,
+ Data: 'static + Clone,
+ H: ClickHandler<V, Data>,
{
- self.buttons
- .push(|| button(label).data(data).click(handler));
+ let label = label.into();
+ self.buttons.push(Box::new(move || {
+ button(label).data(data).click(handler).into_any()
+ }));
self
}
}
@@ -128,7 +125,7 @@ where
impl<V: View> Button<V, (), ()> {
fn data<D>(self, data: D) -> Button<V, D, ()>
where
- D: 'static + FnOnce(&mut V, &D, &mut ViewContext<V>),
+ D: 'static,
{
Button {
label: self.label,
@@ -142,7 +139,7 @@ impl<V: View> Button<V, (), ()> {
impl<V: View, D> Button<V, D, ()> {
fn click<H>(self, handler: H) -> Button<V, D, H>
where
- H: 'static + Fn(&mut V, &D, &mut ViewContext<V>),
+ H: 'static + ClickHandler<V, D>,
{
Button {
label: self.label,
@@ -155,12 +152,10 @@ impl<V: View, D> Button<V, D, ()> {
impl<V: View, D: DialogDelegate<V>> Dialog<V, D> {
pub fn render(&mut self, _: &mut V, _: &mut gpui::ViewContext<V>) -> AnyElement<V> {
- let delegate = self.delegate.clone();
-
column()
.child(text(self.title.clone()).text_size(lg()))
.child(text(self.description.clone()).margins(m4(), auto()))
- .child(row().children(self.buttons.iter().map(|button| (button)())))
+ .child(row().children(self.buttons.drain(..).map(|button| (button)())))
.into_any()
}
}
@@ -273,7 +273,7 @@ impl<V: View> Node<V> {
}
}
- fn paint_2d_children(
+ fn paint_children_xy(
&mut self,
scene: &mut SceneBuilder,
axis: Axis2d,
@@ -395,15 +395,7 @@ impl<V: View> Element<V> for Node<V> {
let mut layout = NodeLayout::default();
let size = if let Some(axis) = self.style.axis.to_2d() {
- self.layout_xy(
- axis,
- constraint.max,
- cx.rem_pixels(),
- &mut layout,
- &mut layout.padding,
- view,
- cx,
- )
+ self.layout_xy(axis, constraint.max, cx.rem_pixels(), &mut layout, view, cx)
} else {
todo!()
};
@@ -421,11 +413,6 @@ impl<V: View> Element<V> for Node<V> {
cx: &mut PaintContext<V>,
) -> Self::PaintState {
let rem_pixels = cx.rem_pixels();
- // let margin: Edges<f32> = todo!(); // &self.style.margin.to_pixels(rem_size);
- //
-
- let size = bounds.size();
-
let margined_bounds = RectF::from_points(
bounds.origin() + vec2f(layout.margins.left, layout.margins.top),
bounds.lower_right() - vec2f(layout.margins.right, layout.margins.bottom),
@@ -434,7 +421,7 @@ impl<V: View> Element<V> for Node<V> {
// Paint drop shadow
for shadow in &self.style.shadows {
scene.push_shadow(scene::Shadow {
- bounds: margin_bounds + shadow.offset,
+ bounds: margined_bounds + shadow.offset,
corner_radius: self.style.corner_radius,
sigma: shadow.blur,
color: shadow.color,
@@ -451,7 +438,7 @@ impl<V: View> Element<V> for Node<V> {
// }
// }
- // Render the background and/or the border (if it not an overlay border).
+ // Render the background and/or the border.
let Fill::Color(fill_color) = self.style.fill;
let is_fill_visible = !fill_color.is_fully_transparent();
if is_fill_visible || self.style.borders.is_visible() {
@@ -472,38 +459,25 @@ impl<V: View> Element<V> for Node<V> {
}
if !self.children.is_empty() {
- let padded_bounds = RectF::from_points(
- margined_bounds.origin() + vec2f(layout.padding.left, layout.padding.top),
- margined_bounds.lower_right() - vec2f(layout.padding.right, layout.padding.bottom),
- );
-
// Account for padding first.
- let padding: Edges<f32> = todo!(); // &self.style.padding.to_pixels(rem_size);
+ let borders = &self.style.borders;
let padded_bounds = RectF::from_points(
- margined_bounds.origin() + vec2f(padding.left, padding.top),
- margined_bounds.lower_right() - vec2f(padding.right, padding.top),
+ margined_bounds.origin()
+ + vec2f(
+ borders.left_width() + layout.padding.left,
+ borders.top_width() + layout.padding.top,
+ ),
+ margined_bounds.lower_right()
+ - vec2f(
+ layout.padding.right + borders.right_width(),
+ layout.padding.bottom + borders.bottom_width(),
+ ),
);
- match self.style.axis {
- Axis3d::X => self.paint_2d_children(
- scene,
- Axis2d::X,
- padded_bounds,
- visible_bounds,
- layout,
- view,
- cx,
- ),
- Axis3d::Y => self.paint_2d_children(
- scene,
- Axis2d::Y,
- padded_bounds,
- visible_bounds,
- layout,
- view,
- cx,
- ),
- Axis3d::Z => todo!(),
+ if let Some(axis) = self.style.axis.to_2d() {
+ self.paint_children_xy(scene, axis, padded_bounds, visible_bounds, layout, view, cx)
+ } else {
+ todo!();
}
}
}
@@ -631,7 +605,7 @@ pub struct NodeStyle {
text: OptionalTextStyle,
opacity: f32,
fill: Fill,
- borders: Border,
+ borders: Borders,
corner_radius: f32,
shadows: Vec<Shadow>,
}
@@ -673,7 +647,7 @@ struct Size<T> {
height: T,
}
-impl<T> Size<T> {
+impl<T: Copy> Size<T> {
fn get(&self, axis: Axis2d) -> T {
match axis {
Axis2d::X => self.width,
@@ -682,7 +656,7 @@ impl<T> Size<T> {
}
}
-impl<T: Add<Output = T>> Size<Option<T>> {
+impl<T: Copy + Add<Output = T>> Size<Option<T>> {
fn add_assign_optional(&mut self, rhs: Size<Option<T>>) {
self.width = optional_add(self.width, rhs.width);
self.height = optional_add(self.height, rhs.height);
@@ -843,7 +817,7 @@ impl Default for Fill {
}
#[derive(Clone, Default)]
-struct Border {
+struct Borders {
color: Color,
width: f32,
top: bool,
@@ -852,13 +826,45 @@ struct Border {
right: bool,
}
-impl Border {
+impl Borders {
fn is_visible(&self) -> bool {
self.width > 0.
&& !self.color.is_fully_transparent()
&& (self.top || self.bottom || self.left || self.right)
}
+ fn top_width(&self) -> f32 {
+ if self.top {
+ self.width
+ } else {
+ 0.
+ }
+ }
+
+ fn bottom_width(&self) -> f32 {
+ if self.bottom {
+ self.width
+ } else {
+ 0.
+ }
+ }
+
+ fn left_width(&self) -> f32 {
+ if self.left {
+ self.width
+ } else {
+ 0.
+ }
+ }
+
+ fn right_width(&self) -> f32 {
+ if self.right {
+ self.width
+ } else {
+ 0.
+ }
+ }
+
fn size(&self) -> Vector2F {
let width =
if self.left { self.width } else { 0. } + if self.right { self.width } else { 0. };
@@ -1078,7 +1084,7 @@ pub fn text<V: View>(text: impl Into<Cow<'static, str>>) -> Node<V> {
}
#[derive(Default)]
-struct NodeLayout {
+pub struct NodeLayout {
content_size: Vector2F,
margins: Edges<f32>,
padding: Edges<f32>,