lib
This commit is contained in:
parent
5ec842f6ee
commit
49d0637fc8
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@ -0,0 +1,244 @@
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use orbtk::prelude::*;
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use rhai::RegisterFn;
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use rhai::{packages::*, Engine, EvalAltResult, INT};
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use std::sync::mpsc::{Receiver, Sender};
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use std::time::Duration;
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pub mod parser;
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use crate::parser::Value;
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use crate::parser::QML;
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use parser::Value::{QmlIdent, QmlNumber, QmlString};
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#[macro_use]
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extern crate pest_derive;
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#[derive(AsAny)]
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pub struct MainViewState {
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pub qml: Vec<(String, QML)>,
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pub rx: Option<Receiver<String>>,
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pub state1: Option<MVState>,
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pub state2: Option<MVState>,
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}
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impl Widget for MainViewState {
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fn create() -> Self {
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unimplemented!()
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}
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fn build(self, ctx: &mut BuildContext) -> Entity {
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let top_level = self.qml.clone();
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let widget = ctx.create_entity();
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let this = render_ctx(widget, ctx, &top_level, 0, 0).unwrap();
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ctx.register_state(this, Box::new(self.state2.unwrap()));
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ctx.register_state(widget, Box::new(self.state1.unwrap()));
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this
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}
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fn insert_handler(self, handler: impl Into<Rc<dyn EventHandler>>) -> Self {
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self
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}
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fn child(self, child: Entity) -> Self {
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self
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}
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}
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#[derive(AsAny)]
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pub struct MVState {
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pub engine: Engine,
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pub tx: Option<Sender<(String, String, String)>>,
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pub rx: Option<Receiver<(String, String, String)>>,
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}
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impl MVState {
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fn action(&mut self, action: String) {
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match self.tx.clone() {
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Some(tx) => {
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self.engine
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.register_fn("update_property", move |x: &str, y: &str, z: &str| {
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tx.send((String::from(x), String::from(y), String::from(z)));
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});
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let result = self.engine.eval::<()>(action.as_str());
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}
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_ => {}
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}
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}
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}
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impl State for MVState {
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fn init(&mut self, registry: &mut Registry, ctx: &mut Context) {
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self.update(registry, ctx);
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}
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fn update(&mut self, registry: &mut Registry, ctx: &mut Context) {
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match &self.rx {
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Some(rx) => match rx.recv_timeout(Duration::from_millis(1)) {
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Ok((x, y, z)) => {
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ctx.child(x.as_str())
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.set::<String16>(y.as_str(), String16::from("hijack"));
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}
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_ => {}
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},
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_ => {}
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}
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}
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}
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impl Template for MainViewState {}
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fn parse_number(val: Option<&Value>) -> f64 {
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match val {
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Some(QmlNumber(num)) => num.clone(),
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_ => 0.0,
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}
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}
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fn render_ctx(
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id: Entity,
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ctx: &mut BuildContext,
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qml: &Vec<(String, QML)>,
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row: u32,
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col: u32,
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) -> Option<Entity> {
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for (ident, child) in qml.iter() {
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match ident.as_str() {
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"Grid" => {
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let mut grid = Grid::create();
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grid = grid.attach(Grid::row(row as usize));
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grid = grid.attach(Grid::column(col as usize));
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let rows = parse_number(child.properties.get("rows")) as u32;
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let cols = parse_number(child.properties.get("cols")) as u32;
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let mut grid_rows = Rows::create();
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for i in 0..rows {
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grid_rows = grid_rows.row("stretch");
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}
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grid = grid.rows(grid_rows.build());
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let mut grid_cols = Columns::create();
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for i in 0..rows {
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grid_cols = grid_cols.column("stretch");
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}
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grid = grid.columns(grid_cols.build());
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let mut grow = 0u32;
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let mut gcol = 0u32;
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//rect = rect.attach(Grid::column(gcol as usize));
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for (i, s) in child.children.iter() {
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match render_ctx(id, ctx, &vec![(i.clone(), s.clone())], grow, gcol) {
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Some(entity) => {
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grid = grid.child(entity);
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grow += 1;
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if grow as u32 == rows {
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grow = 0;
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gcol += 1;
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}
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}
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_ => {}
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}
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}
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return Some(grid.build(ctx));
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}
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"Rectangle" => {
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let width = parse_number(child.properties.get("width"));
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let height = parse_number(child.properties.get("height"));
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let color = match child.properties.get("color") {
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Some(QmlString(col)) => match col.as_str() {
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"red" => Color::rgb(0xff, 00, 00),
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"blue" => Color::rgb(0x00, 00, 0xff),
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_ => Color::rgb(0xff, 0xff, 0xff),
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},
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_ => Color::rgb(0xff, 0xff, 0xff),
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};
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let mut rect = Container::create()
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// .width(width)
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// .height(height)
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.background(color);
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rect = rect.attach(Grid::row(row as usize));
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rect = rect.attach(Grid::column(col as usize));
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for (i, s) in child.children.iter() {
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match render_ctx(id, ctx, &vec![(i.clone(), s.clone())], 0, 0) {
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Some(entity) => {
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rect = rect.child(entity);
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}
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_ => {}
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}
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}
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return Some(rect.build(ctx));
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}
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"Button" => {
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let mut button = Button::create();
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button = button.attach(Grid::row(row as usize));
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button = button.attach(Grid::column(col as usize));
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let code = match child.properties.get("onclick").unwrap() {
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QmlString(code) => code.clone(),
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_ => String::new(),
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};
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button = button.on_click(move |states, _| -> bool {
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state(id, states).action(code.clone());
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return true;
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});
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let text = match child.properties.get("text").unwrap() {
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QmlString(text) => text.clone(),
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_ => String::new(),
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};
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match child.properties.get("anchors.centerIn") {
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Some(QmlIdent(str)) => {
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if str.eq("parent") {
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button = button.vertical_alignment(Alignment::Center);
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button = button.horizontal_alignment(Alignment::Center);
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}
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}
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_ => {}
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}
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button = button.text(text);
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return Some(button.build(ctx));
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}
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"Text" => {
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let text = match child.properties.get("text") {
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Some(QmlString(text)) => text.clone(),
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_ => String::new(),
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};
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let mut tt = TextBlock::create();
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tt = tt.text(text);
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tt = tt.attach(Grid::row(row as usize));
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tt = tt.attach(Grid::column(col as usize));
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match child.properties.get("id") {
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Some(QmlIdent(text)) => {
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tt = tt.id(text.clone());
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}
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_ => {}
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};
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match child.properties.get("anchors.centerIn") {
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Some(QmlIdent(str)) => {
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if str.eq("parent") {
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tt = tt.vertical_alignment(Alignment::Center);
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tt = tt.horizontal_alignment(Alignment::Center);
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}
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}
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_ => {}
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}
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let entity = tt.build(ctx);
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return Some(entity);
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}
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_ => println!("unknown ident {}", ident),
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}
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}
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None
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}
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fn state<'a>(id: Entity, states: &'a mut StatesContext) -> &'a mut MVState {
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states.get_mut(id)
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}
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385
src/main.rs
385
src/main.rs
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@ -1,380 +1,51 @@
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use orbtk::prelude::*;
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use rhai::{packages::*, Engine, EvalAltResult, INT};
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use rhai::RegisterFn;
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use rhai::{packages::*, Engine, EvalAltResult, INT};
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extern crate pest;
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#[macro_use]
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extern crate pest_derive;
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use crate::Value::{QmlIdent, QmlNumber, QmlString};
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use pest::iterators::{Pair, Pairs};
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use pest::Parser;
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use rqml::parser::parse_qml;
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use rqml::{MVState, MainViewState};
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use std::borrow::{Borrow, BorrowMut};
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use std::fs::read_to_string;
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use std::sync::mpsc::{Sender, Receiver};
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use std::sync::mpsc;
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use std::sync::mpsc::{Receiver, Sender};
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use std::thread;
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use crate::Action::Code;
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use std::time::Duration;
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#[derive(Parser)]
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#[grammar = "../pest/qml.pest"]
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struct QmlParser;
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#[derive(Debug, Clone)]
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enum Value {
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QmlString(String),
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QmlNumber(f64),
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QmlIdent(String),
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}
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#[derive(Debug, Clone)]
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struct QML {
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properties: HashMap<String, Value>,
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children: Vec<(String, QML)>,
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}
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fn parse_qml(qml: Pairs<Rule>) -> QML {
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let mut qmldoc = QML {
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properties: Default::default(),
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children: vec![],
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};
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for pair in qml {
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// println!("Rule {:?} Str {}", pair.as_rule(), pair.as_str());
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match pair.as_rule() {
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Rule::import => {
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let mut tokens = pair.into_inner();
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println!("Found new Import {} ", tokens.next().unwrap().as_str());
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}
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Rule::body => {
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let mut tokens = pair.into_inner();
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let ident = tokens.next().unwrap().as_str();
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println!("Found new Body: {} ", ident);
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qmldoc
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.children
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.push((String::from(ident), parse_qml(tokens.into_iter())));
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}
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Rule::property => {
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let mut tokens = pair.into_inner();
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let ident = tokens.next().unwrap().as_str();
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let value = tokens.next().unwrap();
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// let value = tokens.next().unwrap().as_str();
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match value.as_rule() {
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Rule::number => {
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let num: f64 = value.as_str().parse().unwrap();
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println!("Found new Property: {} {:?}", ident, num);
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qmldoc
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.properties
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.insert(String::from(ident), QmlNumber(num));
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}
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Rule::string => {
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println!("Found new Property: {} {}", ident, value.as_str());
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qmldoc.properties.insert(
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String::from(ident),
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QmlString(String::from(value.into_inner().next().unwrap().as_str())),
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);
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}
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Rule::ident => {
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println!("Found new Property: {} {}", ident, value.as_str());
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qmldoc
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.properties
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.insert(String::from(ident), QmlIdent(String::from(value.as_str())));
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}
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_ => {}
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}
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}
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Rule::function => {
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let mut tokens = pair.into_inner();
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let ident = tokens.next().unwrap().as_str();
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let value = tokens.concat();
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qmldoc.properties.insert(
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String::from(ident),
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QmlString(String::from(value.clone().trim())),
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);
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}
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_ => return parse_qml(pair.into_inner()),
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}
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}
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qmldoc
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}
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fn main() {
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Application::new()
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.window(|ctx| {
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let mut app_context:HashMap<String, Entity> = HashMap::new();
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let qml = read_to_string("./res/example.qml").unwrap();
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let qml_tokens = QmlParser::parse(Rule::qml, qml.as_str()).unwrap_or_else(|e| panic!("{}", e));
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let qml_doc = parse_qml(qml_tokens);
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let mut app_context: HashMap<String, Entity> = HashMap::new();
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let qml_doc = parse_qml("./res/example.qml");
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let top_level = qml_doc.children.clone();
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let width = match top_level[0].1.properties.get("width") {
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Some(QmlNumber(num)) => num.clone(),
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_ => 600.0,
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};
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let height = match top_level[0].1.properties.get("height") {
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Some(QmlNumber(num)) => num.clone(),
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_ => 600.0,
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};
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println!("{:?}", qml_doc);
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let (tx, rx): (Sender<(String,String,String)>, Receiver<(String,String,String)>) = mpsc::channel();
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let (tx, rx): (
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Sender<(String, String, String)>,
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Receiver<(String, String, String)>,
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) = mpsc::channel();
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let w = Window::create()
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.title("QML")
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.position((100.0, 100.0))
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.resizeable(true)
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.size(width, height)
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.child(MainViewState{ action: None, qml: top_level.clone(), rx: None, state1: Some(MVState{tx:Some(tx.clone()),rx:None}),state2: Some(MVState{rx:Some(rx),tx:None})}.build(ctx))
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.size(600.0, 600.0)
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.child(
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MainViewState {
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qml: top_level.clone(),
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rx: None,
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state1: Some(MVState {
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tx: Some(tx.clone()),
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rx: None,
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engine: Engine::new(),
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}),
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state2: Some(MVState {
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rx: Some(rx),
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tx: None,
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engine: Engine::new(),
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}),
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}
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.build(ctx),
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)
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.build(ctx);
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w
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})
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.run();
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}
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#[derive(Copy, Clone, PartialEq)]
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enum Action {
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Code,
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}
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#[derive(AsAny)]
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pub struct MainViewState {
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action: Option<Action>,
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qml: Vec<(String, QML)>,
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rx: Option<Receiver<String>>,
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state1: Option<MVState>,
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state2: Option<MVState>
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}
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impl Widget for MainViewState {
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fn create() -> Self {
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unimplemented!()
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}
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fn build(self, ctx: &mut BuildContext) -> Entity {
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let top_level = self.qml.clone();
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let widget = ctx.create_entity();
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let this = render_ctx(widget, ctx, &top_level, 0, 0).unwrap();
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ctx.register_state(this, Box::new(self.state2.unwrap()));
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ctx.register_state(widget, Box::new(self.state1.unwrap()));
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this
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}
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fn insert_handler(self, handler: impl Into<Rc<dyn EventHandler>>) -> Self {
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self
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}
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fn child(self, child: Entity) -> Self {
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self
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}
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}
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#[derive(AsAny)]
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struct MVState {
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tx: Option<Sender<(String,String,String)>>,
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rx: Option<Receiver<(String,String,String)>>
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}
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impl MVState {
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fn action(&mut self, action: String) {
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match self.tx.clone() {
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Some(tx) => {
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let mut engine = Engine::new();
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engine.register_fn("update_property", move |x: &str,y: &str,z: &str| {
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tx.send((String::from(x), String::from(y), String::from(z)));
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});
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let result = engine.eval::<()>(action.as_str());
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}
|
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_ => {}
|
||||
}
|
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}
|
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}
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|
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impl State for MVState {
|
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fn init(&mut self, registry: &mut Registry, ctx: &mut Context) {
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self.update(registry, ctx);
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}
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fn update(&mut self, registry: &mut Registry, ctx: &mut Context) {
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match &self.rx {
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Some(rx)=> {
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match rx.recv_timeout(Duration::from_millis(1)) {
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Ok((x,y,z)) => {
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ctx.child(x.as_str()).set::<String16>(y.as_str(),String16::from("hijack"));
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},
|
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_ => {}
|
||||
}
|
||||
},
|
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_ => {}
|
||||
}
|
||||
}
|
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}
|
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|
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impl Template for MainViewState {
|
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|
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}
|
||||
|
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fn parse_number(val: Option<&Value>) -> f64 {
|
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match val {
|
||||
Some(QmlNumber(num)) => num.clone(),
|
||||
_ => 0.0,
|
||||
}
|
||||
}
|
||||
|
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fn render_ctx(
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id: Entity,
|
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ctx: &mut BuildContext,
|
||||
qml: &Vec<(String, QML)>,
|
||||
row: u32,
|
||||
col: u32
|
||||
) -> Option<Entity> {
|
||||
for (ident, child) in qml.iter() {
|
||||
match ident.as_str() {
|
||||
"Grid" => {
|
||||
let mut grid = Grid::create();
|
||||
grid = grid.attach(Grid::row(row as usize));
|
||||
grid = grid.attach(Grid::column(col as usize));
|
||||
let rows = parse_number(child.properties.get("rows")) as u32;
|
||||
let cols = parse_number(child.properties.get("cols")) as u32;
|
||||
|
||||
let mut grid_rows = Rows::create();
|
||||
for i in 0..rows {
|
||||
grid_rows = grid_rows.row("stretch");
|
||||
}
|
||||
grid = grid.rows(grid_rows.build());
|
||||
|
||||
let mut grid_cols = Columns::create();
|
||||
for i in 0..rows {
|
||||
grid_cols = grid_cols.column("stretch");
|
||||
}
|
||||
grid = grid.columns(grid_cols.build());
|
||||
|
||||
let mut grow = 0u32;
|
||||
let mut gcol = 0u32;
|
||||
//rect = rect.attach(Grid::column(gcol as usize));
|
||||
for (i, s) in child.children.iter() {
|
||||
match render_ctx(id, ctx, &vec![(i.clone(), s.clone())], grow, gcol) {
|
||||
Some(entity) => {
|
||||
grid = grid.child(entity);
|
||||
grow += 1;
|
||||
if grow as u32 == rows {
|
||||
grow = 0;
|
||||
gcol += 1;
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
return Some(grid.build(ctx));
|
||||
}
|
||||
"Rectangle" => {
|
||||
let width = parse_number(child.properties.get("width"));
|
||||
let height = parse_number(child.properties.get("height"));
|
||||
|
||||
let color = match child.properties.get("color") {
|
||||
Some(QmlString(col)) => match col.as_str() {
|
||||
"red" => Color::rgb(0xff, 00, 00),
|
||||
"blue" => Color::rgb(0x00, 00, 0xff),
|
||||
_ => Color::rgb(0xff, 0xff, 0xff),
|
||||
},
|
||||
_ => Color::rgb(0xff, 0xff, 0xff),
|
||||
};
|
||||
let mut rect = Container::create()
|
||||
// .width(width)
|
||||
// .height(height)
|
||||
.background(color);
|
||||
|
||||
rect = rect.attach(Grid::row(row as usize));
|
||||
rect = rect.attach(Grid::column(col as usize));
|
||||
|
||||
|
||||
for (i, s) in child.children.iter() {
|
||||
match render_ctx(id, ctx, &vec![(i.clone(), s.clone())], 0, 0) {
|
||||
Some(entity) => {
|
||||
rect = rect.child(entity);
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
return Some(rect.build(ctx));
|
||||
}
|
||||
"Button" => {
|
||||
let mut button = Button::create();
|
||||
button = button.attach(Grid::row(row as usize));
|
||||
button = button.attach(Grid::column(col as usize));
|
||||
|
||||
let code = match child.properties.get("onclick").unwrap() {
|
||||
QmlString(code) => code.clone(),
|
||||
_ => String::new(),
|
||||
};
|
||||
|
||||
button = button.on_click(move |states, _| -> bool {
|
||||
state(id, states).action(code.clone());
|
||||
return true;
|
||||
});
|
||||
|
||||
let text = match child.properties.get("text").unwrap() {
|
||||
QmlString(text) => text.clone(),
|
||||
_ => String::new(),
|
||||
};
|
||||
|
||||
match child.properties.get("anchors.centerIn") {
|
||||
Some(QmlIdent(str)) => {
|
||||
if str.eq("parent") {
|
||||
button = button.vertical_alignment(Alignment::Center);
|
||||
button = button.horizontal_alignment(Alignment::Center);
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
button = button.text(text);
|
||||
|
||||
return Some(button.build(ctx));
|
||||
}
|
||||
"Text" => {
|
||||
let text = match child.properties.get("text") {
|
||||
Some(QmlString(text)) => text.clone(),
|
||||
_ => String::new(),
|
||||
};
|
||||
|
||||
|
||||
let mut tt = TextBlock::create();
|
||||
tt = tt.text(text);
|
||||
tt = tt.attach(Grid::row(row as usize));
|
||||
tt = tt.attach(Grid::column(col as usize));
|
||||
|
||||
match child.properties.get("id") {
|
||||
Some(QmlIdent(text)) => {
|
||||
tt = tt.id(text.clone());
|
||||
},
|
||||
_ => { }
|
||||
};
|
||||
|
||||
match child.properties.get("anchors.centerIn") {
|
||||
Some(QmlIdent(str)) => {
|
||||
if str.eq("parent") {
|
||||
tt = tt.vertical_alignment(Alignment::Center);
|
||||
tt = tt.horizontal_alignment(Alignment::Center);
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
let entity = tt.build(ctx);
|
||||
return Some(entity);
|
||||
}
|
||||
_ => println!("unknown ident {}", ident),
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
|
||||
fn state<'a>(id: Entity, states: &'a mut StatesContext) -> &'a mut MVState {
|
||||
states.get_mut(id)
|
||||
}
|
|
@ -0,0 +1,96 @@
|
|||
extern crate pest;
|
||||
|
||||
use crate::Value::{QmlIdent, QmlNumber, QmlString};
|
||||
use pest::iterators::{Pair, Pairs};
|
||||
use pest::Parser;
|
||||
use std::collections::HashMap;
|
||||
use std::fs::read_to_string;
|
||||
|
||||
#[derive(Parser)]
|
||||
#[grammar = "../pest/qml.pest"]
|
||||
struct QmlParser;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum Value {
|
||||
QmlString(String),
|
||||
QmlNumber(f64),
|
||||
QmlIdent(String),
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct QML {
|
||||
pub properties: HashMap<String, Value>,
|
||||
pub children: Vec<(String, QML)>,
|
||||
}
|
||||
|
||||
pub fn parse_qml(path: &str) -> QML {
|
||||
let qml_file = read_to_string(path).unwrap();
|
||||
let qml_tokens =
|
||||
QmlParser::parse(Rule::qml, qml_file.as_str()).unwrap_or_else(|e| panic!("{}", e));
|
||||
parse(qml_tokens)
|
||||
}
|
||||
|
||||
fn parse(qml: Pairs<Rule>) -> QML {
|
||||
let mut qmldoc = QML {
|
||||
properties: Default::default(),
|
||||
children: vec![],
|
||||
};
|
||||
for pair in qml {
|
||||
// println!("Rule {:?} Str {}", pair.as_rule(), pair.as_str());
|
||||
|
||||
match pair.as_rule() {
|
||||
Rule::import => {
|
||||
let mut tokens = pair.into_inner();
|
||||
println!("Found new Import {} ", tokens.next().unwrap().as_str());
|
||||
}
|
||||
Rule::body => {
|
||||
let mut tokens = pair.into_inner();
|
||||
let ident = tokens.next().unwrap().as_str();
|
||||
println!("Found new Body: {} ", ident);
|
||||
qmldoc
|
||||
.children
|
||||
.push((String::from(ident), parse(tokens.into_iter())));
|
||||
}
|
||||
Rule::property => {
|
||||
let mut tokens = pair.into_inner();
|
||||
let ident = tokens.next().unwrap().as_str();
|
||||
let value = tokens.next().unwrap();
|
||||
// let value = tokens.next().unwrap().as_str();
|
||||
match value.as_rule() {
|
||||
Rule::number => {
|
||||
let num: f64 = value.as_str().parse().unwrap();
|
||||
println!("Found new Property: {} {:?}", ident, num);
|
||||
qmldoc
|
||||
.properties
|
||||
.insert(String::from(ident), QmlNumber(num));
|
||||
}
|
||||
Rule::string => {
|
||||
println!("Found new Property: {} {}", ident, value.as_str());
|
||||
qmldoc.properties.insert(
|
||||
String::from(ident),
|
||||
QmlString(String::from(value.into_inner().next().unwrap().as_str())),
|
||||
);
|
||||
}
|
||||
Rule::ident => {
|
||||
println!("Found new Property: {} {}", ident, value.as_str());
|
||||
qmldoc
|
||||
.properties
|
||||
.insert(String::from(ident), QmlIdent(String::from(value.as_str())));
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
Rule::function => {
|
||||
let mut tokens = pair.into_inner();
|
||||
let ident = tokens.next().unwrap().as_str();
|
||||
let value = tokens.concat();
|
||||
qmldoc.properties.insert(
|
||||
String::from(ident),
|
||||
QmlString(String::from(value.clone().trim())),
|
||||
);
|
||||
}
|
||||
_ => return parse(pair.into_inner()),
|
||||
}
|
||||
}
|
||||
qmldoc
|
||||
}
|
Loading…
Reference in New Issue