fido 0.1.12

A blazing-fast, keyboard-driven social platform for developers
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104

use anyhow::Result;
use crossterm::{
    execute,
    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::backend::CrosstermBackend;
use std::io::{self, IsTerminal, Stdout, Write};

pub type Terminal = ratatui::Terminal<CrosstermBackend<Stdout>>;
pub type Tui = Terminal;

/// Initialize the terminal
/// Note: Mouse capture is intentionally NOT enabled for keyboard-only navigation
pub fn init() -> Result<Tui> {
    let mut stdout = io::stdout();
    if !stdout.is_terminal() {
        return Err(anyhow::anyhow!(
            "Fido TUI must run in an interactive terminal (TTY). Stdout is not a TTY."
        ));
    }

    enable_raw_mode()?;
    execute!(stdout, EnterAlternateScreen)?;

    // Explicitly disable mouse tracking with ANSI escape sequences
    // This prevents the terminal from sending mouse events entirely
    print!("\x1b[?1000l"); // Disable X11 mouse reporting
    print!("\x1b[?1002l"); // Disable cell motion mouse tracking
    print!("\x1b[?1003l"); // Disable all motion mouse tracking
    print!("\x1b[?1006l"); // Disable SGR extended mouse mode
    stdout.flush()?;

    // Windows-specific: Disable mouse input at the console level
    #[cfg(windows)]
    disable_windows_mouse_input()?;

    let backend = CrosstermBackend::new(stdout);
    let terminal = ratatui::Terminal::new(backend)?;
    Ok(terminal)
}

/// Windows-specific function to disable mouse input at the console API level
#[cfg(windows)]
fn disable_windows_mouse_input() -> Result<()> {
    use windows::Win32::System::Console::{
        GetConsoleMode, GetStdHandle, SetConsoleMode, CONSOLE_MODE, ENABLE_MOUSE_INPUT,
        STD_INPUT_HANDLE,
    };

    unsafe {
        let handle = GetStdHandle(STD_INPUT_HANDLE)
            .map_err(|e| anyhow::anyhow!("Failed to get console handle: {}", e))?;

        let mut mode = CONSOLE_MODE(0);
        GetConsoleMode(handle, &mut mode)
            .map_err(|e| anyhow::anyhow!("Failed to get console mode: {}", e))?;

        // Remove ENABLE_MOUSE_INPUT flag to disable mouse events
        mode &= !ENABLE_MOUSE_INPUT;

        SetConsoleMode(handle, mode)
            .map_err(|e| anyhow::anyhow!("Failed to set console mode: {}", e))?;
    }

    Ok(())
}

/// Restore the terminal to its original state
pub fn restore() -> Result<()> {
    disable_raw_mode()?;
    execute!(io::stdout(), LeaveAlternateScreen)?;

    // Windows-specific: Re-enable mouse input to restore original console state
    #[cfg(windows)]
    enable_windows_mouse_input()?;

    Ok(())
}

/// Windows-specific function to re-enable mouse input at the console API level
#[cfg(windows)]
fn enable_windows_mouse_input() -> Result<()> {
    use windows::Win32::System::Console::{
        GetConsoleMode, GetStdHandle, SetConsoleMode, CONSOLE_MODE, ENABLE_MOUSE_INPUT,
        STD_INPUT_HANDLE,
    };

    unsafe {
        let handle = GetStdHandle(STD_INPUT_HANDLE)
            .map_err(|e| anyhow::anyhow!("Failed to get console handle: {}", e))?;

        let mut mode = CONSOLE_MODE(0);
        GetConsoleMode(handle, &mut mode)
            .map_err(|e| anyhow::anyhow!("Failed to get console mode: {}", e))?;

        // Add ENABLE_MOUSE_INPUT flag to restore mouse events
        mode |= ENABLE_MOUSE_INPUT;

        SetConsoleMode(handle, mode)
            .map_err(|e| anyhow::anyhow!("Failed to set console mode: {}", e))?;
    }

    Ok(())
}