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fix reactivity 😭 + visual widget counter

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This commit is contained in:
Shadow Cat
2025-08-24 22:02:50 -04:00
parent 6bb6db32a6
commit 74d01d14d4
9 changed files with 119 additions and 47 deletions
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4
src/core/text.rs
View File

@@ -1,8 +1,8 @@
use crate::prelude::*;
pub struct Text {
content: String,
attrs: TextAttrs,
pub content: String,
pub attrs: TextAttrs,
}
impl Text {

15
src/core/trait_fns.rs
View File

@@ -1,10 +1,13 @@
use super::*;
use crate::layout::{Dir, UiPos, UiRegion, Vec2, WidgetArrLike, WidgetFnRet, WidgetLike};
use crate::layout::{
Dir, UiPos, UiRegion, Vec2, WidgetArrLike, WidgetFnRet, WidgetIdFnRet, WidgetLike,
};
pub trait CoreWidget<W: 'static, Ctx: 'static, Tag> {
pub trait CoreWidget<W, Ctx: 'static, Tag> {
fn pad(self, padding: impl Into<Padding>) -> WidgetFnRet!(Regioned, Ctx);
fn center(self, size: impl Into<Vec2>) -> WidgetFnRet!(Regioned, Ctx);
fn region(self, region: UiRegion) -> WidgetFnRet!(Regioned, Ctx);
fn label(self, label: impl Into<String>) -> WidgetIdFnRet!(W, Ctx);
}
impl<W: WidgetLike<Ctx, Tag>, Ctx: 'static, Tag> CoreWidget<W::Widget, Ctx, Tag> for W {
@@ -28,6 +31,14 @@ impl<W: WidgetLike<Ctx, Tag>, Ctx: 'static, Tag> CoreWidget<W::Widget, Ctx, Tag>
inner: self.add(ui).erase_type(),
}
}
fn label(self, label: impl Into<String>) -> WidgetIdFnRet!(W::Widget, Ctx) {
|ui| {
let id = self.add(ui);
ui.set_label(&id, label.into());
id
}
}
}
pub trait CoreWidgetArr<const LEN: usize, Ctx: 'static, Tag> {

5
src/layout/id.rs
View File

@@ -79,6 +79,7 @@ impl<W> Drop for WidgetId<W> {
}
pub struct IdTag;
pub struct IdFnTag;
// pub trait WidgetIdFn<W, Ctx> = FnOnce(&mut Ui<Ctx>) -> WidgetId<W>;
macro_rules! WidgetIdFnRet {
@@ -126,14 +127,14 @@ impl<F: FnOnce(&mut Ui<Ctx>) -> W, W: Widget<Ctx>, Ctx> Idable<Ctx, FnTag> for F
}
}
impl<W: 'static, Ctx> WidgetLike<Ctx, FnTag> for WidgetId<W> {
impl<W: 'static, Ctx> WidgetLike<Ctx, IdTag> for WidgetId<W> {
type Widget = W;
fn add(self, _: &mut Ui<Ctx>) -> WidgetId<W> {
self
}
}
impl<W: 'static, F: FnOnce(&mut Ui<Ctx>) -> WidgetId<W>, Ctx> WidgetLike<Ctx, IdTag> for F {
impl<W: 'static, F: FnOnce(&mut Ui<Ctx>) -> WidgetId<W>, Ctx> WidgetLike<Ctx, IdFnTag> for F {
type Widget = W;
fn add(self, ui: &mut Ui<Ctx>) -> WidgetId<W> {
self(ui)

57
src/layout/painter.rs
View File

@@ -6,7 +6,7 @@ use crate::{
WidgetInstance, Widgets,
},
render::{Primitive, PrimitiveHandle, Primitives},
util::Id,
util::{HashMap, Id},
};
struct State {
@@ -25,6 +25,7 @@ pub struct Painter<'a, Ctx: 'static> {
pub(super) primitives: &'a mut Primitives,
textures: &'a mut Textures,
text: &'a mut TextData,
labels: &'a HashMap<Id, String>,
screen_size: Vec2,
/// state of what's currently being drawn
state: State,
@@ -41,6 +42,7 @@ impl<'a, Ctx> Painter<'a, Ctx> {
text: &'a mut TextData,
textures: &'a mut Textures,
screen_size: Vec2,
labels: &'a HashMap<Id, String>,
) -> Self {
Self {
widgets: nodes,
@@ -51,6 +53,7 @@ impl<'a, Ctx> Painter<'a, Ctx> {
text,
textures,
screen_size,
labels,
state: State {
region: UiRegion::full(),
children: Vec::new(),
@@ -123,7 +126,7 @@ impl<'a, Ctx> Painter<'a, Ctx> {
id,
WidgetInstance {
region,
primitives: (start_i..end_i).into(),
span: start_i..end_i,
children: child_state.children,
parent: child_state.parent,
},
@@ -168,21 +171,51 @@ impl<'a, Ctx> Painter<'a, Ctx> {
}
let instance = self.free(id);
self.state.id = instance.parent;
self.primitives.prepare(instance.primitives.into());
self.primitives.prepare(instance.span.clone());
self.draw_raw_at(id, instance.region);
let delta = self.primitives.apply(instance.primitives.into());
if let Some(parent) = self.state.id.take() {
self.shift_end(parent, delta);
let start = instance.span.start;
let delta = self.primitives.apply(instance.span);
if delta != 0
&& let Some(parent) = self.state.id.take()
{
self.shift_parent(parent, start, delta);
}
}
fn shift_end(&mut self, id: Id, delta: isize) {
let instance = self.active.widgets.get_mut(&id).unwrap();
let end = &mut instance.primitives.end;
fn shift_parent(&mut self, parent: Id, start: usize, delta: isize) {
let instance = self.active.widgets.get_mut(&parent).unwrap();
let end = &mut instance.span.end;
*end = end.strict_add_signed(delta);
if let Some(parent) = &instance.parent {
let parent = parent.duplicate();
self.shift_end(parent, delta);
// ids are supposed to be unique so theoretically no cloning is needed
// leaving for now for testing
let parent = instance.parent.as_ref().map(|p| p.duplicate());
for child in instance
.children
.iter()
.map(|id| id.duplicate())
.collect::<Vec<_>>()
{
self.shift_child(&child, start, delta);
}
if let Some(parent) = parent {
self.shift_parent(parent, start, delta);
}
}
fn shift_child(&mut self, child: &Id, start: usize, delta: isize) {
let instance = self.active.widgets.get_mut(child).unwrap();
if instance.span.start <= start {
return;
}
instance.span.start = instance.span.start.strict_add_signed(delta);
instance.span.end = instance.span.end.strict_add_signed(delta);
for child in instance
.children
.iter()
.map(|id| id.duplicate())
.collect::<Vec<_>>()
{
self.shift_child(&child, start, delta);
}
}

20
src/layout/ui.rs
View File

@@ -10,14 +10,14 @@ use crate::{
};
use std::{
any::{Any, TypeId},
ops::{Index, IndexMut},
range::Range,
ops::{Index, IndexMut, Range},
sync::mpsc::{Receiver, Sender, channel},
};
pub struct Ui<Ctx> {
base: Option<WidgetId>,
widgets: Widgets<Ctx>,
labels: HashMap<Id, String>,
updates: Vec<WidgetId>,
recv: Receiver<Id>,
send: Sender<Id>,
@@ -46,6 +46,11 @@ impl<Ctx> Ui<Ctx> {
w.add(self)
}
/// useful for debugging
pub fn set_label<W>(&mut self, id: &WidgetId<W>, label: String) {
self.labels.insert(id.id.duplicate(), label);
}
pub fn add_widget<W: Widget<Ctx>>(&mut self, w: W) -> WidgetId<W> {
self.push(w)
}
@@ -56,8 +61,8 @@ impl<Ctx> Ui<Ctx> {
id
}
pub fn set<W: Widget<Ctx>>(&mut self, i: &WidgetId<W>, w: W) {
self.widgets.insert(i.id.duplicate(), w);
pub fn set<W: Widget<Ctx>>(&mut self, id: &WidgetId<W>, w: W) {
self.widgets.insert(id.id.duplicate(), w);
}
pub fn set_base<Tag>(&mut self, w: impl WidgetLike<Ctx, Tag>) {
@@ -108,6 +113,7 @@ impl<Ctx> Ui<Ctx> {
&mut self.text,
&mut self.textures,
self.size,
&self.labels,
);
if let Some(base) = &self.base {
painter.draw(base);
@@ -131,6 +137,7 @@ impl<Ctx> Ui<Ctx> {
where
Ctx: 'static,
{
self.free();
let mut painter = Painter::new(
&self.widgets,
&mut self.primitives,
@@ -140,6 +147,7 @@ impl<Ctx> Ui<Ctx> {
&mut self.text,
&mut self.textures,
self.size,
&self.labels,
);
for id in self.updates.drain(..) {
painter.redraw(&id.id);
@@ -149,6 +157,7 @@ impl<Ctx> Ui<Ctx> {
/// free any resources that don't have references anymore
fn free(&mut self) {
for id in self.recv.try_iter() {
self.labels.remove(&id);
self.widgets.delete(id);
}
self.textures.free();
@@ -244,6 +253,7 @@ impl<Ctx: 'static> Default for Ui<Ctx> {
Self {
base: Default::default(),
widgets: Widgets::new(),
labels: Default::default(),
updates: Default::default(),
primitives: Default::default(),
textures: Textures::new(),
@@ -260,7 +270,7 @@ impl<Ctx: 'static> Default for Ui<Ctx> {
pub struct WidgetInstance {
pub region: UiRegion,
pub primitives: Range<usize>,
pub span: Range<usize>,
pub children: Vec<Id>,
pub parent: Option<Id>,
}

1
src/lib.rs
View File

@@ -3,7 +3,6 @@
#![feature(const_trait_impl)]
#![feature(const_from)]
#![feature(map_try_insert)]
#![feature(new_range_api)]
pub mod core;
pub mod layout;

3
src/render/texture.rs
View File

@@ -23,6 +23,9 @@ impl GpuTextures {
TextureUpdate::Free(i) => self.free(i),
}
}
// if changed {
// println!("{}", self.views.len());
// }
changed
}
fn set(&mut self, i: u32, image: &DynamicImage) {

4
src/testing/app.rs
View File

@@ -26,8 +26,8 @@ impl ApplicationHandler for App {
let window = event_loop
.create_window(Window::default_attributes())
.unwrap();
let (ui, ids) = Client::create_ui();
let client = Client::new(window.into(), ids);
let (ui, cui) = Client::create_ui();
let client = Client::new(window.into(), cui);
self.client = Some((client, ui));
}
}

57
src/testing/mod.rs
View File

@@ -18,15 +18,16 @@ pub fn main() {
pub struct Client {
renderer: Renderer,
input: Input,
ui: UiIds,
ui: ClientUi,
}
pub struct UiIds {
span_add: WidgetId<Span>,
pub struct ClientUi {
info: WidgetId<Text>,
old_num: usize,
}
impl Client {
pub fn create_ui() -> (Ui<Self>, UiIds) {
pub fn create_ui() -> (Ui<Self>, ClientUi) {
let mut ui = Ui::new();
let span_add = ui.id();
let rect = Rect {
@@ -109,10 +110,15 @@ impl Client {
)
.span(Dir::RIGHT, [1, 1, 1]),
);
let test_button = Rect::new(Color::PURPLE)
let s = span_add.clone();
let add_button = Rect::new(Color::LIME)
.radius(30)
.on(Sense::PressStart, move |ctx| {
println!("{}", ctx.ui.num_widgets());
let child = ctx
.ui
.add(image(include_bytes!("assets/sungals.png")))
.erase_type();
ctx.ui[&s].children.push((child, ratio(1)));
})
.region(
UiPos::corner(Corner::BotRight)
@@ -131,22 +137,35 @@ impl Client {
.expand((150, 150))
.shifted((75, -75)),
);
let info = ui.add(text(""));
let info_sect = info.clone().region(
UiPos::corner(Corner::TopRight)
.expand((150, 150))
.shifted((-75, 0)),
);
ui.set_base(
(
tabs,
(pad_test.pad(10).id(&main), test_button, del_button).stack(),
tabs.label("tabs"),
(
pad_test.pad(10).id(&main),
add_button.label("add button"),
del_button.label("del button"),
info_sect.label("info sect"),
)
.span(Dir::DOWN, [fixed(40), ratio(1)]),
.stack().label("main stack"),
)
.span(Dir::DOWN, [fixed(40), ratio(1)]).label("root"),
);
(ui, UiIds { span_add })
(ui, ClientUi { info, old_num: 0 })
}
pub fn new(window: Arc<Window>, ui: UiIds) -> Self {
pub fn new(window: Arc<Window>, ui: ClientUi) -> Self {
let renderer = Renderer::new(window);
Self {
renderer,
ui,
input: Input::default(),
ui,
}
}
@@ -166,17 +185,13 @@ impl Client {
ui.resize((size.width, size.height));
self.renderer.resize(&size)
}
WindowEvent::KeyboardInput { event, .. } => {
if event.state.is_pressed() {
let child = ui
.add(image(include_bytes!("assets/sungals.png")))
.erase_type();
ui[&self.ui.span_add].children.push((child, ratio(1)));
self.renderer.window().request_redraw();
}
}
_ => (),
}
let num = ui.num_widgets();
if num != self.ui.old_num {
ui[&self.ui.info].content = format!("widgets: {}", num);
self.ui.old_num = num;
}
if ui.needs_redraw() {
self.renderer.window().request_redraw();
}