Add base project

Cargo.lock

@@ -2,18 +2,52 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "bitflags"
 version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
+[[package]]
+name = "cassowary"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
+
+[[package]]
+name = "castaway"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dec551ab6e7578819132c713a93c022a05d60159dc86e7a7050223577484c55a"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "compact_str"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f86b9c4c00838774a6d902ef931eff7470720c51d90c2e32cfe15dc304737b3f"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "ryu",
+ "static_assertions",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.27.0"
@@ -39,6 +73,65 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "libc"
 version = "0.2.177"
@@ -60,6 +153,15 @@ version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
 
+[[package]]
+name = "lru"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "234cf4f4a04dc1f57e24b96cc0cd600cf2af460d4161ac5ecdd0af8e1f3b2a38"
+dependencies = [
+ "hashbrown",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.11"
@@ -95,6 +197,50 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.103"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce25767e7b499d1b604768e7cde645d14cc8584231ea6b295e9c9eb22c02e1d1"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ratatui"
+version = "0.26.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f44c9e68fd46eda15c646fbb85e1040b657a58cdc8c98db1d97a55930d991eef"
+dependencies = [
+ "bitflags",
+ "cassowary",
+ "compact_str",
+ "crossterm",
+ "itertools 0.12.1",
+ "lru",
+ "paste",
+ "stability",
+ "strum",
+ "unicode-segmentation",
+ "unicode-truncate",
+ "unicode-width",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -104,6 +250,18 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
+
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -151,8 +309,87 @@ name = "ssh-tui"
 version = "0.1.0"
 dependencies = [
  "crossterm",
+ "ratatui",
 ]
 
+[[package]]
+name = "stability"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d904e7009df136af5297832a3ace3370cd14ff1546a232f4f185036c2736fcac"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "strum"
+version = "0.26.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f17c7e013e88258aa9543dcbe81aca68a667a9ac37cd69c9fbc07858bfe0e2f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+
+[[package]]
+name = "unicode-segmentation"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+
+[[package]]
+name = "unicode-truncate"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
+dependencies = [
+ "itertools 0.13.0",
+ "unicode-segmentation",
+ "unicode-width",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"

Cargo.toml

@@ -5,7 +5,8 @@ edition = "2021"
 
 [dependencies]
 crossterm = "0.27"
+ratatui = "0.26"
 
 [[bin]]
 name = "ssh-tui"
-path = "main.rs"
+path = "src/main.rs"

main.rs

@@ -1,32 +0,0 @@
-use crossterm::{
-    event::{self, DisableMouseCapture, EnableMouseCapture, Event},
-    execute,
-    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
-};
-use std::io::{self};
-
-fn main() -> Result<(), Box<dyn std::error::Error>> {
-    enable_raw_mode()?;
-    let mut stdout = io::stdout();
-    execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
-
-    execute!(
-        stdout,
-        crossterm::terminal::Clear(crossterm::terminal::ClearType::All)
-    )?;
-    execute!(stdout, crossterm::cursor::MoveTo(0, 0))?;
-    println!("Wellcome to dcorral.com!");
-    execute!(stdout, crossterm::cursor::MoveTo(0, 1))?;
-    println!("Press any key to exit.");
-
-    loop {
-        if let Event::Key(_) = event::read()? {
-            break;
-        }
-    }
-
-    disable_raw_mode()?;
-    execute!(stdout, LeaveAlternateScreen, DisableMouseCapture)?;
-
-    Ok(())
-}

src/app.rs

@@ -0,0 +1,41 @@
+use crate::theme::Theme;
+
+pub const NUM_BOXES: usize = 4;
+
+pub struct App {
+    pub focus: usize,
+    pub theme: Theme,
+    pub show_help: bool,
+    pub show_welcome: bool,
+}
+
+impl App {
+    pub fn new() -> Self {
+        Self {
+            focus: 0,
+            theme: Theme::gruvbox_dark(),
+            show_help: false,
+            show_welcome: true,
+        }
+    }
+
+    pub fn move_left(&mut self) {
+        self.focus = (self.focus + 3) % NUM_BOXES;
+    }
+
+    pub fn move_right(&mut self) {
+        self.focus = (self.focus + 1) % NUM_BOXES;
+    }
+
+    pub fn move_down(&mut self) {
+        if self.focus < 2 {
+            self.focus += 2;
+        } else {
+            self.focus -= 2;
+        }
+    }
+
+    pub fn move_up(&mut self) {
+        self.move_down(); // symmetric
+    }
+}

src/input.rs

@@ -0,0 +1,35 @@
+use crossterm::event::{Event, KeyCode};
+
+use crate::app::App;
+
+pub fn handle_input(app: &mut App, event: Event) -> bool {
+    if app.show_welcome {
+        if let Event::Key(_) = event {
+            app.show_welcome = false;
+        }
+    } else if app.show_help {
+        if let Event::Key(key) = event {
+            match key.code {
+                KeyCode::Char('q')
+                | KeyCode::Esc
+                | KeyCode::Char('?')
+                | KeyCode::Enter
+                | KeyCode::Backspace => app.show_help = false,
+                _ => {}
+            }
+        }
+    } else {
+        if let Event::Key(key) = event {
+            match key.code {
+                KeyCode::Char('h') | KeyCode::Left => app.move_left(),
+                KeyCode::Char('l') | KeyCode::Right => app.move_right(),
+                KeyCode::Char('j') | KeyCode::Down => app.move_down(),
+                KeyCode::Char('k') | KeyCode::Up => app.move_up(),
+                KeyCode::Char('?') => app.show_help = true,
+                KeyCode::Char('q') | KeyCode::Esc => return false,
+                _ => {}
+            }
+        }
+    }
+    true
+}

src/main.rs

@@ -0,0 +1,49 @@
+mod app;
+mod input;
+mod theme;
+mod ui;
+
+use crossterm::{
+    event, execute,
+    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+};
+use ratatui::{backend::CrosstermBackend, Terminal};
+use std::io::stdout;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    enable_raw_mode()?;
+    let (width, height) = crossterm::terminal::size()?;
+    if width < 15 || height < 15 {
+        disable_raw_mode()?;
+        println!("Your console is too small.");
+        return Ok(());
+    }
+    let mut stdout = stdout();
+    execute!(stdout, EnterAlternateScreen)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut terminal = Terminal::new(backend)?;
+
+    let mut app = app::App::new();
+    let mut blink_counter = 0;
+
+    loop {
+        let blink = (blink_counter / 3) % 2 == 0;
+        terminal.draw(|f| ui::draw(f, &app, blink))?;
+        blink_counter += 1;
+        let timeout = if app.show_welcome {
+            std::time::Duration::from_millis(70)
+        } else {
+            std::time::Duration::from_millis(60)
+        };
+        if event::poll(timeout)? {
+            let event = event::read()?;
+            if !input::handle_input(&mut app, event) {
+                break;
+            }
+        }
+    }
+
+    disable_raw_mode()?;
+    execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
+    Ok(())
+}

src/theme.rs

@@ -0,0 +1,32 @@
+use ratatui::style::Color;
+
+#[allow(dead_code)]
+pub struct Theme {
+    pub bg: Color,
+    pub fg: Color,
+    pub red: Color,
+    pub green: Color,
+    pub yellow: Color,
+    pub blue: Color,
+    pub purple: Color,
+    pub aqua: Color,
+    pub orange: Color,
+    pub gray: Color,
+}
+
+impl Theme {
+    pub fn gruvbox_dark() -> Self {
+        Self {
+            bg: Color::Rgb(40, 40, 40),
+            fg: Color::Rgb(235, 219, 178),
+            red: Color::Rgb(204, 36, 29),
+            green: Color::Rgb(152, 151, 26),
+            yellow: Color::Rgb(215, 153, 33),
+            blue: Color::Rgb(69, 133, 136),
+            purple: Color::Rgb(177, 98, 134),
+            aqua: Color::Rgb(104, 157, 106),
+            orange: Color::Rgb(214, 93, 14),
+            gray: Color::Rgb(146, 131, 116),
+        }
+    }
+}

src/ui.rs

@@ -0,0 +1,108 @@
+use ratatui::{
+    layout::{Alignment, Constraint, Direction, Layout},
+    style::Style,
+    text::{Line, Span},
+    widgets::{Block, Borders, Paragraph},
+    Frame,
+};
+
+use crate::app::App;
+
+pub fn draw(f: &mut Frame, app: &App, blink: bool) {
+    let bg_block = Block::default().style(Style::default().bg(app.theme.bg));
+    f.render_widget(bg_block, f.size());
+
+    if app.show_welcome {
+        let fg = app.theme.fg;
+        let accent_fg = if blink { app.theme.blue } else { app.theme.bg };
+        let size = f.size();
+        let chunks = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(
+                [
+                    Constraint::Percentage(40),
+                    Constraint::Percentage(20),
+                    Constraint::Percentage(40),
+                ]
+                .as_ref(),
+            )
+            .split(size);
+        let welcome_text = Paragraph::new(vec![
+            Line::from(vec![
+                Span::styled("Welcome to ", Style::default().fg(fg).bg(app.theme.bg)),
+                Span::styled(
+                    "dcorral.com",
+                    Style::default().fg(app.theme.orange).bg(app.theme.bg),
+                ),
+                Span::styled("!", Style::default().fg(fg).bg(app.theme.bg)),
+            ]),
+            Line::from(vec![
+                Span::styled("press ", Style::default().fg(fg).bg(app.theme.bg)),
+                Span::styled("any key", Style::default().fg(accent_fg).bg(app.theme.bg)),
+                Span::styled(" to continue", Style::default().fg(fg).bg(app.theme.bg)),
+            ]),
+        ])
+        .alignment(Alignment::Center);
+        f.render_widget(welcome_text, chunks[1]);
+    } else if app.show_help {
+        let help_content = "Navigation:\n\
+                            h / ←: Move left\n\
+                            l / →: Move right\n\
+                            j / ↓: Move down\n\
+                            k / ↑: Move up\n\
+                            ? : Show help\n\
+                            q / Esc: Quit";
+        let help_text = Paragraph::new(help_content)
+            .alignment(ratatui::layout::Alignment::Center)
+            .style(Style::default().fg(app.theme.fg).bg(app.theme.bg));
+        f.render_widget(help_text, f.size());
+    } else {
+        let size = f.size();
+
+        let chunks = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints([Constraint::Min(1), Constraint::Length(1)].as_ref())
+            .split(size);
+
+        let box_area = chunks[0];
+
+        let box_chunks = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
+            .split(box_area);
+
+        let top_chunks = Layout::default()
+            .direction(Direction::Horizontal)
+            .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
+            .split(box_chunks[0]);
+
+        let bottom_chunks = Layout::default()
+            .direction(Direction::Horizontal)
+            .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
+            .split(box_chunks[1]);
+
+        let areas = [
+            top_chunks[0],
+            top_chunks[1],
+            bottom_chunks[0],
+            bottom_chunks[1],
+        ];
+
+        for (i, area) in areas.iter().enumerate() {
+            let (bg, fg) = if app.focus == i {
+                (app.theme.blue, app.theme.bg)
+            } else {
+                (app.theme.bg, app.theme.fg)
+            };
+            let block = Block::default()
+                .title(format!("Box {}", i))
+                .borders(Borders::ALL)
+                .style(Style::default().bg(bg).fg(fg));
+            f.render_widget(block, *area);
+        }
+
+        let help_text = Paragraph::new("Use hjkl or arrows to navigate, ? for help, q to quit")
+            .style(Style::default().fg(app.theme.fg).bg(app.theme.bg));
+        f.render_widget(help_text, chunks[1]);
+    }
+}