add first list decorator projection
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e5e1fc180e
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GPG key ID:
F96CF119C34B64A6
167
shell/src/list.rs
Normal file
167
shell/src/list.rs
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@ -0,0 +1,167 @@
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use {
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std::sync::Arc,
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std::sync::RwLock,
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nested::{
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core::{
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View,
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ViewPort,
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OuterViewPort,
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InnerViewPort,
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Observer,
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ObserverBroadcast
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},
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sequence::{SequenceView, VecBuffer},
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terminal::{Terminal, TerminalAtom, TerminalStyle},
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projection::ProjectionHelper
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}
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};
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pub struct ListDecorator {
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opening_port: OuterViewPort<dyn SequenceView<Item = char>>,
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closing_port: OuterViewPort<dyn SequenceView<Item = char>>,
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delim_port: OuterViewPort<dyn SequenceView<Item = char>>,
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items: Arc<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>,
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list_style: TerminalStyle,
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item_style: TerminalStyle,
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cast: Arc<RwLock<ObserverBroadcast<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>>>,
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proj_helper: ProjectionHelper<Self>
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}
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impl View for ListDecorator {
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type Msg = usize;
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}
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impl SequenceView for ListDecorator {
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type Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>;
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fn len(&self) -> Option<usize> {
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Some(self.items.len()? * 2 + 1)
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}
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fn get(&self, idx: &usize) -> Option<Self::Item> {
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let item_idx = idx / 2;
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let list_style = self.list_style.clone();
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let item_style = self.item_style.clone();
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Some(
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if idx % 2 == 0 {
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if item_idx == 0 {
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self.opening_port.clone()
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} else if item_idx == self.items.len().unwrap_or(0) {
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self.closing_port.clone()
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} else {
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self.delim_port.clone()
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}
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.map(move |c| TerminalAtom::new(*c, list_style))
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} else {
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self.items
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.get(&item_idx)?
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.map(move |atom| atom.add_style_back(item_style))
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}
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)
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}
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}
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impl ListDecorator {
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pub fn new(
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opening_port: OuterViewPort<dyn SequenceView<Item = char>>,
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closing_port: OuterViewPort<dyn SequenceView<Item = char>>,
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delim_port: OuterViewPort<dyn SequenceView<Item = char>>,
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items_port: OuterViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>,
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list_style: TerminalStyle,
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item_style: TerminalStyle,
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out_port: InnerViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>
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) -> Arc<RwLock<Self>> {
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let mut proj_helper = ProjectionHelper::new(out_port.0.update_hooks.clone());
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let li = Arc::new(RwLock::new(ListDecorator {
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opening_port,
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closing_port,
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delim_port,
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items: proj_helper.new_sequence_arg(
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items_port,
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|s: &mut Self, item_idx| {
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s.cast.notify(&(item_idx * 2));
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s.cast.notify(&(item_idx * 2 + 1));
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}
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),
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list_style,
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item_style,
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cast: out_port.get_broadcast(),
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proj_helper
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}));
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out_port.set_view(Some(li.clone()));
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li
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}
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pub fn lisp_style(
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level: usize,
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items_port: OuterViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>,
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out_port: InnerViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>
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) -> Arc<RwLock<Self>> {
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let opening_port = ViewPort::new();
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let opening = VecBuffer::<char>::with_data("(".chars().collect(), opening_port.inner());
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let closing_port = ViewPort::new();
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let closing = VecBuffer::<char>::with_data(")".chars().collect(), closing_port.inner());
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let delim_port = ViewPort::new();
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let delim = VecBuffer::<char>::with_data(" ".chars().collect(), delim_port.inner());
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Self::new(
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opening_port.outer().to_sequence(),
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closing_port.outer().to_sequence(),
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delim_port.outer().to_sequence(),
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items_port,
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TerminalStyle::fg_color(
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match level {
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0 => (200, 120, 10),
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1 => (120, 200, 10),
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_ => (255, 255, 255)
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}
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),
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TerminalStyle::fg_color(
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match level {
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_ => (255, 255, 255)
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}
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),
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out_port
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)
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}
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pub fn c_style(
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level: usize,
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items_port: OuterViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>,
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out_port: InnerViewPort<dyn SequenceView<Item = OuterViewPort<dyn SequenceView<Item = TerminalAtom>>>>
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) -> Arc<RwLock<Self>> {
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let opening_port = ViewPort::new();
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let opening = VecBuffer::<char>::with_data("{".chars().collect(), opening_port.inner());
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let closing_port = ViewPort::new();
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let closing = VecBuffer::<char>::with_data("}".chars().collect(), closing_port.inner());
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let delim_port = ViewPort::new();
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let delim = VecBuffer::<char>::with_data(", ".chars().collect(), delim_port.inner());
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Self::new(
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opening_port.outer().to_sequence(),
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closing_port.outer().to_sequence(),
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delim_port.outer().to_sequence(),
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items_port,
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TerminalStyle::fg_color(
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match level {
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_ => (255, 255, 255)
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}
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),
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TerminalStyle::fg_color(
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match level {
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_ => (255, 255, 255)
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}
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),
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out_port
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)
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}
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}
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@ -24,6 +24,8 @@ use {
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}
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};
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pub mod list;
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#[async_std::main]
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async fn main() {
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/* todo:
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@ -282,7 +284,7 @@ write::
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let hex_label = VecBuffer::<char>::with_data("x0".chars().collect(), hex_label_port.inner());
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let delim_port = ViewPort::new();
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let delim = VecBuffer::<char>::with_data(" ,".chars().collect(), delim_port.inner());
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let delim = VecBuffer::<char>::with_data(",".chars().collect(), delim_port.inner());
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let closing_port = ViewPort::new();
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let closing = VecBuffer::<char>::with_data("[".chars().collect(), closing_port.inner());
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@ -337,17 +339,55 @@ write::
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);
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}
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compositor.write().unwrap().push(
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arg1_hex_unic_port
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.to_index()
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.map_key(
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|idx| Point2::new(40 - *idx as i16, 3 as i16),
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|pt| if pt.y == 3 { Some(40 - pt.x as usize) } else { None }
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)
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.map_item(
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|_idx, digit| TerminalAtom::from(digit)
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)
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);
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{
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let items_port = ViewPort::new();
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let items = VecBuffer::with_data(
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vec![
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arg1_dec_mint_port
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.map(|val| char::from_digit(*val as u32, 16).unwrap())
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.map(|c| TerminalAtom::from(c)),
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arg1_hex_unic_port.clone()
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.map(|c| TerminalAtom::from(c)),
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arg1_hex_unic_port.clone()
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.map(|c| TerminalAtom::from(c)),
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],
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items_port.inner()
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);
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let liport = ViewPort::new();
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let list_decorator = list::ListDecorator::lisp_style(
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1,
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items_port.outer().to_sequence(),
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liport.inner()
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);
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let par_items_port = ViewPort::new();
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let par_items = VecBuffer::with_data(
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vec![
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liport.outer().flatten(),
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arg1_hex_unic_port.clone()
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.map(|c| TerminalAtom::from(c)),
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],
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par_items_port.inner()
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);
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let par_liport = ViewPort::new();
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let par_list_decorator = list::ListDecorator::lisp_style(
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0,
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par_items_port.outer().to_sequence(),
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par_liport.inner()
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);
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compositor.write().unwrap().push(
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par_liport.outer()
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.flatten()
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.to_index()
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.map_key(
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|idx| Point2::new(*idx as i16, 3),
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|pt| if pt.y == 3 { Some(pt.x as usize) } else { None }
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)
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);
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}
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let magic_vec_port = ViewPort::new();
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let _magic_vec = VecBuffer::with_data("<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>".chars().collect::<Vec<char>>(), magic_vec_port.inner());
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@ -393,7 +433,7 @@ write::
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TerminalEvent::Input(Event::Key(Key::Home)) => ed.goto_end(),
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TerminalEvent::Input(Event::Key(Key::End)) => ed.goto(0),
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TerminalEvent::Input(Event::Key(Key::Char('\n'))) => {},
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TerminalEvent::Input(Event::Key(Key::Char(c))) => { ed.insert(c); ed.prev() },
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TerminalEvent::Input(Event::Key(Key::Char(c))) => { ed.insert(c); ed.prev(); },
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TerminalEvent::Input(Event::Key(Key::Delete)) => ed.delete_prev(),
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TerminalEvent::Input(Event::Key(Key::Backspace)) => ed.delete(),
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TerminalEvent::Input(Event::Key(Key::Ctrl('c'))) => break,
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