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@ -1,25 +1,23 @@
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use std::collections::HashMap;
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use std::{collections::HashMap, sync::Arc};
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use helix_core::Position;
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use helix_view::{
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graphics::{Color, CursorKind, Rect, UnderlineStyle},
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input::{Event, KeyEvent},
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input::{Event, KeyEvent, MouseEvent},
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keyboard::{KeyCode, KeyModifiers},
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theme::Style,
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Editor,
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};
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use steel::{
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rvals::{Custom, FromSteelVal, IntoSteelVal},
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steel_vm::{
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builtin::BuiltInModule,
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engine::Engine,
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register_fn::{MarkerWrapper1, RegisterFn},
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},
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rvals::{Custom, FromSteelVal, IntoSteelVal, SteelString},
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steel_vm::{builtin::BuiltInModule, engine::Engine, register_fn::RegisterFn},
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SteelVal,
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};
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use tokio::sync::Mutex;
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use tui::{
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buffer::Buffer,
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widgets::{Block, BorderType, Borders, Widget},
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text::Text,
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widgets::{self, Block, BorderType, Borders, ListItem, Widget},
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};
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use crate::{
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@ -29,20 +27,115 @@ use crate::{
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},
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compositor::{self, Component},
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ctrl, key,
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ui::{overlay::overlaid, Popup, Prompt, PromptEvent},
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ui::overlay::overlaid,
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};
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use super::steel::WrappedDynComponent;
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use super::steel::{present_error_inside_engine_context, WrappedDynComponent};
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#[derive(Clone)]
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struct AsyncReader {
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// Take that, and write it back to a terminal session that is
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// getting rendered.
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channel: Arc<Mutex<tokio::sync::mpsc::UnboundedReceiver<String>>>,
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}
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impl AsyncReader {
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// TODO: Add &mut references to these async functions
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// to avoid the cloning, and to ditch the arc and mutex
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async fn read_line(self) -> Option<String> {
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let mut buf = String::new();
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let mut guard = self.channel.lock().await;
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while let Ok(v) = guard.try_recv() {
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buf.push_str(&v);
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}
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let fut = guard.recv();
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match tokio::time::timeout(std::time::Duration::from_millis(2), fut).await {
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Ok(Some(v)) => {
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buf.push_str(&v);
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Some(buf)
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}
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Ok(None) => {
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if buf.is_empty() {
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None
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} else {
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Some(buf)
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}
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}
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Err(_) => Some(buf),
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}
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}
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}
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impl Custom for AsyncReader {}
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struct AsyncWriter {
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channel: tokio::sync::mpsc::UnboundedSender<String>,
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}
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impl std::io::Write for AsyncWriter {
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fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
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if let Err(_) = self.channel.send(String::from_utf8_lossy(buf).to_string()) {
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Ok(0)
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} else {
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Ok(buf.len())
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}
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}
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fn flush(&mut self) -> std::io::Result<()> {
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Ok(())
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}
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}
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// TODO: Move the main configuration function to use this instead
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pub fn helix_component_module() -> BuiltInModule {
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let mut module = BuiltInModule::new("helix/components".to_string());
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let mut module = BuiltInModule::new("helix/components");
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module
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.register_fn("async-read-line", AsyncReader::read_line)
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// TODO:
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.register_fn("make-async-reader-writer", || {
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let (sender, receiver) = tokio::sync::mpsc::unbounded_channel();
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let writer = AsyncWriter { channel: sender };
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let reader = AsyncReader {
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channel: Arc::new(Mutex::new(receiver)),
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};
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vec![
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SteelVal::new_dyn_writer_port(writer),
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reader.into_steelval().unwrap(),
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]
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})
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// Attempt to pop off a specific component
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.register_fn(
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"pop-dynamic-component-by-name",
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|ctx: &mut Context, name: SteelString| {
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// Removing a component by name here will be important!
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todo!()
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},
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)
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.register_fn("buffer-area", |buffer: &mut Buffer| buffer.area)
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.register_fn("frame-set-string!", buffer_set_string)
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.register_fn("new-component!", SteelDynamicComponent::new_dyn)
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.register_fn("position", Position::new)
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.register_fn("position-row", |position: &Position| position.row)
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.register_fn("position-col", |position: &Position| position.col)
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.register_fn(
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"set-position-row!",
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|position: &mut Position, row: usize| {
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position.row = row;
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},
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)
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.register_fn(
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"set-position-col!",
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|position: &mut Position, col: usize| {
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position.col = col;
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},
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)
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.register_fn("area", helix_view::graphics::Rect::new)
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.register_fn("area-x", |area: &helix_view::graphics::Rect| area.x)
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.register_fn("area-y", |area: &helix_view::graphics::Rect| area.y)
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@ -58,6 +151,19 @@ pub fn helix_component_module() -> BuiltInModule {
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component.inner = inner;
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})
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.register_fn("widget/list", |items: Vec<String>| {
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widgets::List::new(
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items
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.into_iter()
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.map(|x| ListItem::new(Text::from(x)))
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.collect::<Vec<_>>(),
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)
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})
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// Pass references in as well?
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.register_fn(
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"widget/list/render",
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|buf: &mut Buffer, area: Rect, list: widgets::List| list.render(area, buf),
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)
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.register_fn("block", || {
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Block::default()
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.borders(Borders::ALL)
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@ -71,6 +177,16 @@ pub fn helix_component_module() -> BuiltInModule {
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)
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.register_fn("buffer/clear", Buffer::clear)
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.register_fn("buffer/clear-with", Buffer::clear_with)
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// Mutate a color in place, to save some headache.
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.register_fn(
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"set-color-rgb!",
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|color: &mut Color, r: u8, g: u8, b: u8| {
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*color = Color::Rgb(r, g, b);
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},
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)
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.register_fn("set-color-indexed!", |color: &mut Color, index: u8| {
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*color = Color::Indexed(index);
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})
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.register_value("Color/Reset", Color::Reset.into_steelval().unwrap())
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.register_value("Color/Black", Color::Black.into_steelval().unwrap())
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.register_value("Color/Red", Color::Red.into_steelval().unwrap())
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@ -99,8 +215,14 @@ pub fn helix_component_module() -> BuiltInModule {
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.register_value("Color/LightGray", Color::LightGray.into_steelval().unwrap())
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.register_fn("Color/rgb", Color::Rgb)
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.register_fn("Color/Indexed", Color::Indexed)
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.register_fn("set-style-fg!", |style: &mut Style, color: Color| {
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style.fg = Some(color);
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})
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.register_fn("style-fg", Style::fg)
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.register_fn("style-bg", Style::bg)
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.register_fn("set-style-bg!", |style: &mut Style, color: Color| {
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style.bg = Some(color);
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})
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.register_fn("style-underline-color", Style::underline_color)
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.register_fn("style-underline-style", Style::underline_style)
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.register_value(
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@ -167,39 +289,91 @@ pub fn helix_component_module() -> BuiltInModule {
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"key-modifier-alt",
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SteelVal::IntV(KeyModifiers::ALT.bits() as isize),
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)
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.register_fn("key-event-escape?", |event: Event| {
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if let Event::Key(KeyEvent {
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code: KeyCode::Esc, ..
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}) = event
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{
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true
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.register_fn("key-event-F?", |event: Event, number: u8| match event {
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Event::Key(KeyEvent {
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code: KeyCode::F(x),
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..
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}) if number == x => true,
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_ => false,
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})
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.register_fn("mouse-event?", |event: Event| {
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matches!(event, Event::Mouse(_))
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})
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.register_fn("event-mouse-kind", |event: Event| {
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if let Event::Mouse(MouseEvent { .. }) = event {
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todo!()
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} else {
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false
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todo!()
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}
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})
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.register_fn("key-event-backspace?", |event: Event| {
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if let Event::Key(KeyEvent {
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code: KeyCode::Backspace,
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..
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}) = event
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{
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true
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.register_fn("event-mouse-row", |event: Event| {
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if let Event::Mouse(MouseEvent { .. }) = event {
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todo!()
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} else {
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false
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todo!()
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}
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})
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.register_fn("key-event-enter?", |event: Event| {
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if let Event::Key(KeyEvent {
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code: KeyCode::Enter,
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..
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}) = event
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{
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true
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.register_fn("event-mouse-col", |event: Event| {
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if let Event::Mouse(MouseEvent { .. }) = event {
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todo!()
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} else {
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todo!()
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}
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})
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// Is this mouse event within the area provided
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.register_fn("mouse-event-within-area?", |event: Event, area: Rect| {
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if let Event::Mouse(MouseEvent { row, column, .. }) = event {
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column > area.x
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&& column < area.x + area.width
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&& row > area.y
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&& row < area.y + area.height
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} else {
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false
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}
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});
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macro_rules! register_key_events {
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($ ( $name:expr => $key:tt ) , *, ) => {
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$(
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module.register_fn(concat!("key-event-", $name, "?"), |event: Event| {
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matches!(
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event,
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Event::Key(
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KeyEvent {
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code: KeyCode::$key,
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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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// Key events for individual key codes
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register_key_events!(
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"escape" => Esc,
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"backspace" => Backspace,
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"enter" => Enter,
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"left" => Left,
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"right" => Right,
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"up" => Up,
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"down" => Down,
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"home" => Home,
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"page-up" => PageUp,
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"page-down" => PageDown,
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"tab" => Tab,
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"delete" => Delete,
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"insert" => Insert,
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"null" => Null,
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"caps-lock" => CapsLock,
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"scroll-lock" => ScrollLock,
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"num-lock" => NumLock,
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"print-screen" => PrintScreen,
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"pause" => Pause,
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"menu" => Menu,
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"keypad-begin" => KeypadBegin,
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);
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module
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}
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@ -325,29 +499,32 @@ impl Component for SteelDynamicComponent {
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// Pass the `state` object through - this can be used for storing the state of whatever plugin thing we're
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// attempting to render
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let thunk = |engine: &mut Engine, f| {
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engine.call_function_with_args(
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engine.call_function_with_args_from_mut_slice(
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self.render.clone(),
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vec![self.state.clone(), area.into_steelval().unwrap(), f],
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&mut [self.state.clone(), area.into_steelval().unwrap(), f],
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)
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};
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ENGINE
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.with(|x| {
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x.borrow_mut()
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.with_mut_reference::<tui::buffer::Buffer, tui::buffer::Buffer>(frame)
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.with_mut_reference::<Context, Context>(&mut ctx)
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.consume(|engine, args| {
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let mut arg_iter = args.into_iter();
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ENGINE.with(|x| {
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let mut guard = x.borrow_mut();
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let buffer = arg_iter.next().unwrap();
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let context = arg_iter.next().unwrap();
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if let Err(e) = guard
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.with_mut_reference::<tui::buffer::Buffer, tui::buffer::Buffer>(frame)
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|
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.with_mut_reference::<Context, Context>(&mut ctx)
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.consume(|engine, args| {
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let mut arg_iter = args.into_iter();
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engine.update_value("*helix.cx*", context);
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let buffer = arg_iter.next().unwrap();
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let context = arg_iter.next().unwrap();
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(thunk)(engine, buffer)
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})
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})
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.unwrap();
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engine.update_value("*helix.cx*", context);
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(thunk)(engine, buffer)
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|
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})
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{
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|
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present_error_inside_engine_context(&mut ctx, &mut guard, e)
|
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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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|
|
|
|
|
|
// TODO: Pass in event as well? Need to have immutable reference type
|
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|
|
|
@ -368,8 +545,6 @@ impl Component for SteelDynamicComponent {
|
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|
jobs: ctx.jobs,
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|
};
|
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|
|
|
|
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|
log::info!("Handling custom event: {:?}", event);
|
|
|
|
|
|
|
|
|
|
match self.key_event.as_mut() {
|
|
|
|
|
Some(SteelVal::Custom(key_event)) => {
|
|
|
|
|
// Save the headache, reuse the allocation
|
|
|
|
|
@ -391,9 +566,9 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
// Pass the `state` object through - this can be used for storing the state of whatever plugin thing we're
|
|
|
|
|
// attempting to render
|
|
|
|
|
let thunk = |engine: &mut Engine| {
|
|
|
|
|
engine.call_function_with_args(
|
|
|
|
|
engine.call_function_with_args_from_mut_slice(
|
|
|
|
|
handle_event.clone(),
|
|
|
|
|
vec![self.state.clone(), self.key_event.clone().unwrap()],
|
|
|
|
|
&mut [self.state.clone(), self.key_event.clone().unwrap()],
|
|
|
|
|
)
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
@ -432,7 +607,14 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
Err(_) => compositor::EventResult::Ignored(None),
|
|
|
|
|
Err(e) => {
|
|
|
|
|
// Present the error
|
|
|
|
|
ENGINE.with(|x| {
|
|
|
|
|
present_error_inside_engine_context(&mut ctx, &mut x.borrow_mut(), e)
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
compositor::EventResult::Ignored(None)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
compositor::EventResult::Ignored(None)
|
|
|
|
|
@ -440,20 +622,22 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fn should_update(&self) -> bool {
|
|
|
|
|
if let Some(should_update) = &self.should_update {
|
|
|
|
|
match ENGINE.with(|x| {
|
|
|
|
|
let res = x
|
|
|
|
|
.borrow_mut()
|
|
|
|
|
.call_function_with_args(should_update.clone(), vec![self.state.clone()]);
|
|
|
|
|
|
|
|
|
|
res
|
|
|
|
|
}) {
|
|
|
|
|
Ok(v) => bool::from_steelval(&v).unwrap_or(true),
|
|
|
|
|
Err(_) => true,
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
true
|
|
|
|
|
}
|
|
|
|
|
true
|
|
|
|
|
|
|
|
|
|
// if let Some(should_update) = &self.should_update {
|
|
|
|
|
// match ENGINE.with(|x| {
|
|
|
|
|
// let res = x
|
|
|
|
|
// .borrow_mut()
|
|
|
|
|
// .call_function_with_args(should_update.clone(), vec![self.state.clone()]);
|
|
|
|
|
|
|
|
|
|
// res
|
|
|
|
|
// }) {
|
|
|
|
|
// Ok(v) => bool::from_steelval(&v).unwrap_or(true),
|
|
|
|
|
// Err(_) => true,
|
|
|
|
|
// }
|
|
|
|
|
// } else {
|
|
|
|
|
// true
|
|
|
|
|
// }
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: Implement immutable references. Right now I'm only supporting mutable references.
|
|
|
|
|
@ -465,7 +649,6 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
Option<helix_core::Position>,
|
|
|
|
|
helix_view::graphics::CursorKind,
|
|
|
|
|
) {
|
|
|
|
|
log::info!("Calling cursor with area: {:?}", area);
|
|
|
|
|
if let Some(cursor) = &self.cursor {
|
|
|
|
|
// Pass the `state` object through - this can be used for storing the state of whatever plugin thing we're
|
|
|
|
|
// attempting to render
|
|
|
|
|
@ -480,9 +663,11 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
&ENGINE.with(|x| thunk(&mut (x.borrow_mut())).unwrap()),
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
log::info!("Setting cursor at position: {:?}", result);
|
|
|
|
|
|
|
|
|
|
(result.unwrap(), CursorKind::Block)
|
|
|
|
|
match result {
|
|
|
|
|
Ok(v) => (v, CursorKind::Block),
|
|
|
|
|
// TODO: Figure out how to pop up an error message
|
|
|
|
|
Err(_e) => (None, CursorKind::Block),
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
(None, helix_view::graphics::CursorKind::Hidden)
|
|
|
|
|
}
|
|
|
|
|
@ -504,7 +689,7 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
// re-entrant attempting to grab the ENGINE instead mutably, since we have to break the recursion
|
|
|
|
|
// somehow. By putting it at the edge, we then say - hey for these functions on this interface,
|
|
|
|
|
// call the engine instance. Otherwise, all computation happens inside the engine.
|
|
|
|
|
let res = ENGINE
|
|
|
|
|
match ENGINE
|
|
|
|
|
.with(|x| {
|
|
|
|
|
x.borrow_mut().call_function_with_args(
|
|
|
|
|
required_size.clone(),
|
|
|
|
|
@ -512,9 +697,11 @@ impl Component for SteelDynamicComponent {
|
|
|
|
|
)
|
|
|
|
|
})
|
|
|
|
|
.and_then(|x| Option::<(u16, u16)>::from_steelval(&x))
|
|
|
|
|
.unwrap();
|
|
|
|
|
|
|
|
|
|
res
|
|
|
|
|
{
|
|
|
|
|
Ok(v) => v,
|
|
|
|
|
// TODO: Figure out how to present an error
|
|
|
|
|
Err(_e) => None,
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
None
|
|
|
|
|
}
|
|
|
|
|
|
mattwparas
9 months ago