use { std::{ sync::Arc, process::Command, os::unix::io::{FromRawFd, AsRawFd}, }, std::sync::RwLock, termion::event::{Key, Event}, cgmath::Point2, nested::{ core::{ViewPort, OuterViewPort, Observer}, singleton::{SingletonView, SingletonBuffer}, sequence::{SequenceView, SequenceViewExt}, index::buffer::IndexBuffer, vec::VecBuffer, terminal::{TerminalAtom, TerminalStyle, TerminalView, TerminalEvent, TerminalEditor, TerminalEditorResult, make_label}, tree_nav::{TreeNav, TreeNavResult, TerminalTreeEditor, TreeCursor}, list::{ListEditor, ListEditorStyle, sexpr::ListDecoration}, string_editor::CharEditor, } }; use portable_pty::{CommandBuilder, PtySize, native_pty_system, PtySystem}; //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>> pub struct ProcessArg { editor: ListEditor< CharEditor, Box Arc> + Send + Sync + 'static> > } impl ProcessArg { pub fn get_data_port(&self) -> OuterViewPort> { self.editor.get_data_port() .map( |char_editor| char_editor.read().unwrap().get_data_port().get_view().unwrap().get().unwrap() ) } } impl TerminalEditor for ProcessArg { fn get_term_view(&self) -> OuterViewPort { self.editor .get_seg_seq_view() .to_grid_horizontal() .flatten() } fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult { match event { TerminalEvent::Input(Event::Key(Key::Char(' '))) | TerminalEvent::Input(Event::Key(Key::Char('\n'))) => { self.editor.up(); TerminalEditorResult::Exit } event => self.editor.handle_terminal_event(event) } } } impl TreeNav for ProcessArg { fn get_cursor(&self) -> TreeCursor { self.editor.get_cursor() } fn goto(&mut self, cur: TreeCursor) -> TreeNavResult { self.editor.goto(cur) } fn goto_home(&mut self) -> TreeNavResult { self.editor.goto_home() } fn goto_end(&mut self) -> TreeNavResult { self.editor.goto_end() } fn pxev(&mut self) -> TreeNavResult { self.editor.pxev() } fn nexd(&mut self) -> TreeNavResult { self.editor.nexd() } fn up(&mut self) -> TreeNavResult { self.editor.up() } fn dn(&mut self) -> TreeNavResult { self.editor.dn() } } pub struct ProcessLauncher { editor: ListEditor< ProcessArg, Box Arc> + Send + Sync + 'static> > } impl ProcessLauncher { pub fn new() -> Self { ProcessLauncher { editor: ListEditor::new( Box::new( || { Arc::new(RwLock::new(ProcessArg { editor: ListEditor::new( Box::new( || { Arc::new(RwLock::new(CharEditor::new())) } ), ListEditorStyle::Plain) })) } ), ListEditorStyle::Plain ) } } pub fn launch(&mut self) -> (OuterViewPort) { self.up(); self.up(); let mut strings = Vec::new(); let v = self.editor.get_data_port().get_view().unwrap(); for i in 0 .. v.len().unwrap_or(0) { let arg_view = v.get(&i).unwrap().read().unwrap().get_data_port().get_view().unwrap(); strings.push(arg_view.iter().collect::()); } if strings.len() > 0 { // Create a new pty let mut pair = native_pty_system().openpty(PtySize { rows: 30, cols: 120, // Not all systems support pixel_width, pixel_height, // but it is good practice to set it to something // that matches the size of the selected font. That // is more complex than can be shown here in this // brief example though! pixel_width: 0, pixel_height: 0, }).unwrap(); // Spawn a shell into the pty let mut cmd = CommandBuilder::new(strings[0].as_str()); cmd.args(&strings[1..]); if let Ok(child) = pair.slave.spawn_command(cmd) { // Read and parse output from the pty with reader let mut reader = pair.master.try_clone_reader().unwrap(); // Send data to the pty by writing to the master //writeln!(pair.master, "ls -l\r\n"); let port = ViewPort::new(); let p = port.inner(); async_std::task::spawn_blocking( move || { nested::terminal::ansi_parser::read_ansi_from(&mut reader, p); }); port.into_outer() } else { make_label("invalid command") .map_item(|idx, a| a.add_style_back(TerminalStyle::fg_color((200,0,0)))) } } else { make_label("no command") .map_item(|idx, a| a.add_style_back(TerminalStyle::fg_color((200,0,0)))) } } } impl TerminalEditor for ProcessLauncher { fn get_term_view(&self) -> OuterViewPort { self.editor .get_seg_seq_view() .decorate("$(", ")", " ", 0) .to_grid_horizontal() .flatten() } fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult { match event { TerminalEvent::Input(Event::Key(Key::Char('\n'))) => { // launch command self.editor.up(); self.editor.up(); TerminalEditorResult::Exit } event => self.editor.handle_terminal_event(event) } } } impl TreeNav for ProcessLauncher { fn get_cursor(&self) -> TreeCursor { self.editor.get_cursor() } fn goto(&mut self, cur: TreeCursor) -> TreeNavResult { self.editor.goto(cur) } fn goto_home(&mut self) -> TreeNavResult { self.editor.goto_home() } fn goto_end(&mut self) -> TreeNavResult { self.editor.goto_end() } fn pxev(&mut self) -> TreeNavResult { self.editor.pxev() } fn nexd(&mut self) -> TreeNavResult { self.editor.nexd() } fn up(&mut self) -> TreeNavResult { self.editor.up() } fn dn(&mut self) -> TreeNavResult { self.editor.dn() } }