64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
use {
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std::sync::RwLock,
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termion::event::{Key, Event},
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crate::{
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core::{ViewPort, OuterViewPort},
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singleton::{SingletonView, SingletonBuffer},
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vec::VecBuffer,
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terminal::{TerminalView, TerminalEvent, TerminalEditor, TerminalEditorResult},
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tree_nav::{TreeNav, TreeNavResult}
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}
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};
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//<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
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pub struct CharEditor {
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data: SingletonBuffer<Option<char>>,
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data_port: ViewPort<dyn SingletonView<Item = Option<char>>>
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}
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impl CharEditor {
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pub fn new() -> Self {
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let mut data_port = ViewPort::new();
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CharEditor {
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data: SingletonBuffer::new(None, data_port.inner()),
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data_port
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}
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}
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pub fn get_data_port(&self) -> OuterViewPort<dyn SingletonView<Item = Option<char>>> {
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self.data_port.outer()
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}
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}
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impl TreeNav for CharEditor {}
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impl TerminalEditor for CharEditor {
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fn get_term_view(&self) -> OuterViewPort<dyn TerminalView> {
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crate::terminal::make_label(
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&if let Some(c) = self.data.get() {
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c.to_string()
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} else {
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"".to_string()
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})
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}
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fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult {
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match event {
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TerminalEvent::Input(Event::Key(Key::Char('\n'))) =>
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TerminalEditorResult::Continue,
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TerminalEvent::Input(Event::Key(Key::Char(c))) => {
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self.data.set(Some(*c));
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TerminalEditorResult::Exit
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}
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TerminalEvent::Input(Event::Key(Key::Backspace)) |
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TerminalEvent::Input(Event::Key(Key::Delete)) => {
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self.data.set(None);
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TerminalEditorResult::Exit
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}
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_ => TerminalEditorResult::Continue
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}
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}
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}
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