mirror of https://git.meli.delivery/meli/meli
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
644 lines
28 KiB
Rust
644 lines
28 KiB
Rust
/*
|
|
* meli
|
|
*
|
|
* Copyright 2017-2018 Manos Pitsidianakis
|
|
*
|
|
* This file is part of meli.
|
|
*
|
|
* meli is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* meli is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with meli. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/*! Terminal grid cells, keys, colors, etc.
|
|
*/
|
|
extern crate serde;
|
|
use self::serde::de::Visitor;
|
|
use self::serde::{de, Deserialize, Deserializer};
|
|
extern crate unicode_segmentation;
|
|
|
|
mod color;
|
|
pub use self::color::*;
|
|
#[macro_use]
|
|
mod position;
|
|
#[macro_use]
|
|
mod cells;
|
|
#[macro_use]
|
|
mod keys;
|
|
pub mod embed;
|
|
mod text_editing;
|
|
pub use self::cells::*;
|
|
pub use self::keys::*;
|
|
pub use self::position::*;
|
|
pub use self::text_editing::*;
|
|
|
|
use std::fmt;
|
|
/*
|
|
* CSI events we use
|
|
*/
|
|
|
|
// Some macros taken from termion:
|
|
/// Create a CSI-introduced sequence.
|
|
macro_rules! csi {
|
|
($( $l:expr ),*) => { concat!("\x1b[", $( $l ),*) };
|
|
}
|
|
|
|
/// Derive a CSI sequence struct.
|
|
macro_rules! derive_csi_sequence {
|
|
($(#[$outer:meta])*
|
|
($name:ident, $value:expr)) => {
|
|
$(#[$outer])*
|
|
#[derive(Copy, Clone)]
|
|
pub struct $name;
|
|
|
|
impl fmt::Display for $name {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(f, csi!($value))
|
|
}
|
|
}
|
|
|
|
impl AsRef<[u8]> for $name {
|
|
fn as_ref(&self) -> &'static [u8] {
|
|
csi!($value).as_bytes()
|
|
}
|
|
}
|
|
|
|
impl AsRef<str> for $name {
|
|
fn as_ref(&self) -> &'static str {
|
|
csi!($value)
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
derive_csi_sequence!(
|
|
///Ps = 1 0 0 2 ⇒ Don't use Cell Motion Mouse Tracking, xterm
|
|
(DisableMouse, "?1002l")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
///Ps = 1 0 0 2 ⇒ Use Cell Motion Mouse Tracking, xterm
|
|
(EnableMouse, "?1002h")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
///Ps = 1 0 0 6 Enable SGR Mouse Mode, xterm.
|
|
(EnableSGRMouse, "?1006h")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
///Ps = 1 0 0 6 Disable SGR Mouse Mode, xterm.
|
|
(DisableSGRMouse, "?1006l")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
#[doc = "`CSI Ps ; Ps ; Ps t`, where `Ps = 2 2 ; 0` -> Save xterm icon and window title on stack."]
|
|
(SaveWindowTitleIconToStack, "22;0t")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
#[doc = "Restore window title and icon from terminal's title stack. `CSI Ps ; Ps ; Ps t`, where `Ps = 2 3 ; 0` -> Restore xterm icon and window title from stack."]
|
|
(RestoreWindowTitleIconFromStack, "23;0t")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
#[doc = "Empty struct with a Display implementation that returns the byte sequence to start [Bracketed Paste Mode](http://www.xfree86.org/current/ctlseqs.html#Bracketed%20Paste%20Mode)"]
|
|
(BracketModeStart, "?2004h")
|
|
);
|
|
|
|
derive_csi_sequence!(
|
|
#[doc = "Empty struct with a Display implementation that returns the byte sequence to end [Bracketed Paste Mode](http://www.xfree86.org/current/ctlseqs.html#Bracketed%20Paste%20Mode)"]
|
|
(BracketModeEnd, "?2004l")
|
|
);
|
|
|
|
pub const BRACKET_PASTE_START: &[u8] = b"\x1B[200~";
|
|
pub const BRACKET_PASTE_END: &[u8] = b"\x1B[201~";
|
|
|
|
pub use braille::BraillePixelIter;
|
|
mod braille {
|
|
mod tests {
|
|
const _X_QRCODE: [u16; 3 * 48] = [
|
|
0xff3f, 0x3cf3, 0xff03, 0xff3f, 0x3cf3, 0xff03, 0x0330, 0x0333, 0x0003, 0x0330, 0x0333,
|
|
0x0003, 0xf333, 0xf030, 0x3f03, 0xf333, 0xf030, 0x3f03, 0xf333, 0xfc33, 0x3f03, 0xf333,
|
|
0xfc33, 0x3f03, 0xf333, 0x0f33, 0x3f03, 0xf333, 0x0f33, 0x3f03, 0x0330, 0x3033, 0x0003,
|
|
0x0330, 0x3033, 0x0003, 0xff3f, 0x33f3, 0xff03, 0xff3f, 0x33f3, 0xff03, 0x0000, 0xc003,
|
|
0x0000, 0x0000, 0xc003, 0x0000, 0x3333, 0xfc00, 0xc300, 0x3333, 0xfc00, 0xc300, 0xc3c0,
|
|
0x3f30, 0x0c00, 0xc3c0, 0x3f30, 0x0c00, 0xcff0, 0x3f03, 0xcf00, 0xcff0, 0x3f03, 0xcf00,
|
|
0x0ccf, 0x0f30, 0xcc00, 0x0ccf, 0x0f30, 0xcc00, 0x0033, 0x3033, 0xf300, 0x0033, 0x3033,
|
|
0xf300, 0x0000, 0xffcc, 0x0c00, 0x0000, 0xffcc, 0x0c00, 0xff3f, 0xccfc, 0x3000, 0xff3f,
|
|
0xccfc, 0x3000, 0x0330, 0xf0cf, 0x0f00, 0x0330, 0xf0cf, 0x0f00, 0xf333, 0xcffc, 0x3003,
|
|
0xf333, 0xcffc, 0x3003, 0xf333, 0x0030, 0xf000, 0xf333, 0x0030, 0xf000, 0xf333, 0x3f03,
|
|
0x0303, 0xf333, 0x3f03, 0x0303, 0x0330, 0x3030, 0xf003, 0x0330, 0x3030, 0xf003, 0xff3f,
|
|
0x0333, 0x3303, 0xff3f, 0x0333, 0x3303, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
const _XTTHOMAS: [u16; 3 * 48] = [
|
|
0xFFFF, 0xFF0F, 0x0000, 0xFFFF, 0xFF0F, 0x0000, 0x1FFC, 0xC10F, 0x0000, 0x0FFC, 0x810F,
|
|
0x0000, 0x07FC, 0x010F, 0x0000, 0x07FC, 0x010F, 0x0000, 0x03FC, 0x010E, 0x0000, 0x03FC,
|
|
0x010E, 0x0000, 0x01FC, 0x010C, 0x0000, 0x00FC, 0x0100, 0x0000, 0x00FC, 0x0100, 0x0000,
|
|
0x00FC, 0x0100, 0x0000, 0x00FC, 0x0100, 0x0000, 0x00FC, 0x0100, 0x0000, 0x00FC, 0x0100,
|
|
0x0000, 0x00FC, 0x0100, 0x0000, 0x00FC, 0x0100, 0x0000, 0x00FC, 0xFDFF, 0xFF7F, 0x00FC,
|
|
0xFDFF, 0xFF7F, 0x00FC, 0xFDE0, 0x0F7E, 0x00FC, 0x7DE0, 0x0F7C, 0x00FC, 0x3DE0, 0x0F78,
|
|
0x00FC, 0x3DE0, 0x0F78, 0x00FC, 0x1DE0, 0x0F70, 0x00FC, 0x1DE0, 0x0F70, 0x00FC, 0x0DE0,
|
|
0x0F60, 0x00FC, 0x01E0, 0x0F00, 0x00FE, 0x07E0, 0x0F00, 0xC0FF, 0x1FE0, 0x0F00, 0xC0FF,
|
|
0x1FE0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00,
|
|
0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0,
|
|
0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000,
|
|
0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00, 0x0000, 0x00E0, 0x0F00,
|
|
0x0000, 0x00F0, 0x3F00, 0x0000, 0x00FE, 0xFF00, 0x0000, 0x00FE, 0xFF00, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
const _FBIRD_SCALED_DOWN: [u16; 3 * 48] = [
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x00e0, 0x0100, 0x0000, 0x0000, 0x0f00, 0x0000, 0x0000, 0x3c00, 0x0000, 0x00e0,
|
|
0x790c, 0x0000, 0x00fc, 0xff3f, 0x0000, 0x0043, 0xffff, 0x0300, 0x0000, 0xfc0f, 0x0000,
|
|
0x0000, 0xf00f, 0x0000, 0x0000, 0xf00f, 0x0000, 0x0000, 0xf00f, 0x0000, 0x0000, 0xfc07,
|
|
0x0000, 0x0000, 0xfc03, 0x0000, 0x0000, 0xfc00, 0x0000, 0x0000, 0x0e00, 0x0000, 0x0000,
|
|
0x0700, 0x0000, 0x0000, 0x0700, 0x0000, 0x0040, 0x0300, 0x0000, 0x0000, 0x0200, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
const _FBIRD: [u16; 3 * 48] = [
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x007E, 0x0000, 0x0000, 0x00E0, 0x0700, 0x0000, 0x0080, 0x1F00, 0x0000,
|
|
0x0000, 0x7F00, 0x0000, 0x007E, 0xFCE0, 0x0000, 0xC0FF, 0xFFF9, 0x0300, 0xF0FF, 0xFFFF,
|
|
0x0700, 0x0CE8, 0xFFFF, 0xFF00, 0x0080, 0xFFFF, 0x0103, 0x0000, 0xFEFF, 0x0000, 0x0000,
|
|
0xF8FF, 0x0000, 0x0000, 0xF07F, 0x0000, 0x0000, 0xF07F, 0x0000, 0x0000, 0xF87F, 0x0000,
|
|
0x0000, 0xFC3F, 0x0000, 0x0000, 0xFE3F, 0x0000, 0x0000, 0xFE1F, 0x0000, 0x0000, 0xFF07,
|
|
0x0000, 0x0000, 0xFF01, 0x0000, 0x0080, 0x0F00, 0x0000, 0x0080, 0x0700, 0x0000, 0x00C0,
|
|
0x0300, 0x0000, 0x00E0, 0x0300, 0x0000, 0x00F0, 0x0300, 0x0000, 0x00E8, 0x0100, 0x0000,
|
|
0x0080, 0x0100, 0x0000, 0x0000, 0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
const _XFISH: [u16; 3 * 48] = [
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x007E, 0x0000, 0x0000, 0x00E0, 0x0700, 0x0000, 0x0080, 0x1F00, 0x0000,
|
|
0x0000, 0x7F00, 0x0000, 0x007E, 0xFCE0, 0x0000, 0xC0FF, 0xFFF9, 0x0300, 0xF0FF, 0xFFFF,
|
|
0x0700, 0x0CE8, 0xFFFF, 0xFF00, 0x0080, 0xFFFF, 0x0103, 0x0000, 0xFEFF, 0x0000, 0x0000,
|
|
0xF8FF, 0x0000, 0x0000, 0xF07F, 0x0000, 0x0000, 0xF07F, 0x0000, 0x0000, 0xF87F, 0x0000,
|
|
0x0000, 0xFC3F, 0x0000, 0x0000, 0xFE3F, 0x0000, 0x0000, 0xFE1F, 0x0000, 0x0000, 0xFF07,
|
|
0x0000, 0x0000, 0xFF01, 0x0000, 0x0080, 0x0F00, 0x0000, 0x0080, 0x0700, 0x0000, 0x00C0,
|
|
0x0300, 0x0000, 0x00E0, 0x0300, 0x0000, 0x00F0, 0x0300, 0x0000, 0x00E8, 0x0100, 0x0000,
|
|
0x0080, 0x0100, 0x0000, 0x0000, 0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
const _XFACE: [u16; 3 * 48] = [
|
|
0xAAAA, 0xAAAA, 0xAAAA, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAA8, 0x0000, 0x0000,
|
|
0x0000, 0xA222, 0x2222, 0x222A, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAA2, 0x0000,
|
|
0x0000, 0x0000, 0xA222, 0x2222, 0x2228, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAAA,
|
|
0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x2222, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA,
|
|
0xAAA8, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x222A, 0x0000, 0x0000, 0x0000, 0xAAAA,
|
|
0xAAAA, 0xAAA2, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x2228, 0x0000, 0x0000, 0x0000,
|
|
0xAAAA, 0xAAAA, 0xAAAA, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x2222, 0x0000, 0x0000,
|
|
0x0000, 0xAAAA, 0xAAAA, 0xAAA8, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x222A, 0x0000,
|
|
0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAA2, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222, 0x2228,
|
|
0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAAA, 0x0000, 0x0000, 0x0000, 0xA222, 0x2222,
|
|
0x2222, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAA8, 0x0000, 0x0000, 0x0000, 0xA222,
|
|
0x2222, 0x222A, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAA2, 0x0000, 0x0000, 0x0000,
|
|
0xA222, 0x2222, 0x2228, 0x0000, 0x0000, 0x0000, 0xAAAA, 0xAAAA, 0xAAAA, 0x0000, 0x0000,
|
|
0x0000,
|
|
];
|
|
|
|
#[test]
|
|
fn test_braille() {
|
|
/* lines has 12 bitmaps, with 3 bitmap making each line that is 4 lines.
|
|
* lines = [
|
|
* a_0, a_1, a_2,
|
|
* b_0, b_1, b_2,
|
|
* c_0, c_1, c_2,
|
|
* d_0, d_1, d_2,
|
|
* ];
|
|
*/
|
|
println!("Thomas: ");
|
|
for lines in _XTTHOMAS.chunks(12) {
|
|
let iter = super::BraillePixelIter::from(lines);
|
|
for b in iter {
|
|
print!("{}", b);
|
|
}
|
|
println!();
|
|
}
|
|
|
|
println!("fbird: ");
|
|
for lines in _FBIRD.chunks(12) {
|
|
let iter = super::BraillePixelIter::from(lines);
|
|
for b in iter {
|
|
print!("{}", b);
|
|
}
|
|
println!();
|
|
}
|
|
println!("ABC QR code: ");
|
|
for lines in _X_QRCODE.chunks(12) {
|
|
let iter = super::BraillePixelIter::from(lines);
|
|
for b in iter {
|
|
print!("{}", b);
|
|
}
|
|
println!();
|
|
}
|
|
}
|
|
}
|
|
struct Braille16bitColumn {
|
|
// each u16 in the tuple is one line ( first_line, second_line, third_line, fourth line) */
|
|
bitmaps: (u16, u16, u16, u16),
|
|
// reverse 1-indexing, so column: 1 means the left-most column in 16bit word */
|
|
bitcolumn: u32,
|
|
}
|
|
|
|
/*
|
|
impl std::fmt::Debug for Braille16bitColumn {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
|
|
write!(
|
|
f,
|
|
"Braille16bitColumn {{\n bitmaps: \n{:x}\n{:x}\n{:x}\n{:x},\n bitcolumn: {}\n\n{}\n{:016b}\n{:016b}\n{:016b}\n{:016b},\n
|
|
}}",self.bitmaps.0, self.bitmaps.1, self.bitmaps.2, self.bitmaps.3, self.bitcolumn, format!("{:016b}", 0x0001_u16.rotate_left(self.bitcolumn)).replace("0"," ").replace("1", "v"), self.bitmaps.0, self.bitmaps.1, self.bitmaps.2, self.bitmaps.3,
|
|
)
|
|
}
|
|
}
|
|
*/
|
|
|
|
/// Iterate on 2x4 pixel blocks from a bitmap and return a unicode braille character for each
|
|
/// block. The iterator holds four lines of bitmaps encoded as `u16` numbers in swapped bit
|
|
/// order, like the `xbm` graphics format. The bitmap is split to `u16` columns.
|
|
///
|
|
/// ## Usage
|
|
/// ```no_run
|
|
/// /* BEE is the contents of a 48x48 xbm file. xbm is a C-like array of 8bit values, and
|
|
/// * each pair was manually (macro-ually?) condensed into a single 16bit value. Each 3 items
|
|
/// * represent one pixel row.
|
|
/// */
|
|
/// const BEE: [u16; 3 * 48] = [
|
|
/// 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
/// 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
/// 0x0000, 0x0002, 0x0000, 0x0000, 0xe003, 0x0000, 0x0000, 0xfc00, 0x0000, 0x0000, 0x3f00,
|
|
/// 0x0000, 0x00e0, 0x0f00, 0x0000, 0x00f8, 0x0300, 0x0000, 0x00fe, 0x0000, 0x0080, 0x8f0d,
|
|
/// 0x0000, 0x00e0, 0xff7f, 0x0000, 0x00f8, 0xffff, 0x0300, 0x00fc, 0xffff, 0x0f00, 0x00fe,
|
|
/// 0xffff, 0x3f00, 0x00ff, 0xffff, 0xff00, 0xc0ff, 0xffff, 0xff01, 0xc0ff, 0xff77, 0xff07,
|
|
/// 0xf0f9, 0xffff, 0xff07, 0xf0f0, 0xffef, 0xfd0f, 0xf0e0, 0xffff, 0xfb1f, 0xf0e1, 0xffc1,
|
|
/// 0xfb0f, 0xe0f3, 0xffc3, 0xf307, 0xc0f7, 0xffc0, 0xe100, 0xc0ff, 0xd9e0, 0x3f00, 0x803e,
|
|
/// 0xc1f8, 0x5f00, 0x8076, 0x43f4, 0xbf18, 0x806c, 0x43fc, 0xf325, 0x0009, 0xc3df, 0x4326,
|
|
/// 0x001a, 0xcf3f, 0x622d, 0x0034, 0xff01, 0x2224, 0x00f0, 0xff00, 0x8312, 0x00a0, 0x5700,
|
|
/// 0x0309, 0x00f8, 0x1b00, 0x8f06, 0x0048, 0x6000, 0xcd03, 0x0018, 0x6624, 0xdf00, 0x0030,
|
|
/// 0x820f, 0x3f00, 0x00c0, 0xf0ff, 0x3f00, 0x0080, 0x03fe, 0x7f00, 0x0000, 0x7ce0, 0x0f00,
|
|
/// 0x0000, 0x809f, 0x1c00, 0x0000, 0x0000, 0x3800, 0x0000, 0x0000, 0x7000, 0x0000, 0x0000,
|
|
/// 0xe000,
|
|
/// ];
|
|
///
|
|
/// for lines in BEE.chunks(12) {
|
|
/// let iter = ui::BraillePixelIter::from(lines);
|
|
/// for b in iter {
|
|
/// print!("{}", b);
|
|
/// }
|
|
/// println!("");
|
|
/// }
|
|
/// ```
|
|
///
|
|
/// Output:
|
|
///
|
|
/// ```text
|
|
/// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀
|
|
/// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣶⠾⠛⠉⠀⠀⠀
|
|
/// ⠀⠀⠀⠀⠀⠀⢀⣠⣤⣤⣀⣠⣔⣾⣛⡛⠉⠀⠀⠀⠀⠀⠀⠀
|
|
/// ⠀⠀⠀⠀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣤⣀⠀⠀⠀⠀
|
|
/// ⠀⠀⣤⣿⠟⠻⣿⣿⣿⣿⣿⣿⣿⣯⢿⣯⡿⣿⣿⣿⣷⣆⠀⠀
|
|
/// ⠀⠀⠻⣿⣦⡀⣼⣿⣿⣿⣿⣿⠯⠉⠉⣿⡿⠘⢿⣿⠿⠟⠁⠀
|
|
/// ⠀⠀⠀⢹⠹⣟⢿⡍⣧⠈⠁⡟⠀⣔⣾⣿⣿⠿⣯⣢⡀⡠⢄⠀
|
|
/// ⠀⠀⠀⠀⠑⠜⣦⣀⣿⣶⣤⣿⠟⠛⠓⠉⣹⠀⠰⢃⢊⠗⡸⠀
|
|
/// ⠀⠀⠀⠀⠀⢰⡚⠞⢛⡑⢣⡅⠀⡀⢀⠀⣟⣶⡀⣴⠵⠊⠀⠀
|
|
/// ⠀⠀⠀⠀⠀⠀⠉⠲⠬⣀⣒⡚⠻⠿⢶⣶⣿⣿⠿⠄⠀⠀⠀⠀
|
|
/// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠁⠈⠀⠙⢷⣄⠀⠀⠀
|
|
/// ```
|
|
///
|
|
///
|
|
/// ## Explanation:
|
|
/// For the following bitmap:
|
|
/// ```text
|
|
/// ◻◼◻◻◼◻◻◼◻◻◻◼◼◼◼◼
|
|
/// ◼◼◼◼◼◼◻◻◼◻◼◻◻◼◼◼
|
|
/// ◻◼◼◼◼◼◼◼◻◻◻◻◼◼◻◻
|
|
/// ◼◻◼◼◻◼◼◻◼◼◼◻◻◻◻◻
|
|
/// ```
|
|
///
|
|
/// Iteration on each step examines two columns:
|
|
/// ```text
|
|
/// ⇩⇩
|
|
/// ◻◼┆◻◻┆◼◻┆◻◼┆◻◻┆◻◼┆◼◼┆◼◼
|
|
/// ◼◼┆◼◼┆◼◼┆◻◻┆◼◻┆◼◻┆◻◼┆◼◼
|
|
/// ◻◼┆◼◼┆◼◼┆◼◼┆◻◻┆◻◻┆◼◼┆◻◻
|
|
/// ◼◻┆◼◼┆◻◼┆◼◻┆◼◼┆◼◻┆◻◻┆◻◻
|
|
/// ```
|
|
///
|
|
/// The first two columns are encoded as:
|
|
///
|
|
/// ```text
|
|
/// ┏━━━━━━┳━━━━┓
|
|
/// ┃pixels┃bits┃
|
|
/// ┡━━━━━━╇━━━━┩
|
|
/// │ ◻◼ │ 14 │
|
|
/// │ ◼◼ │ 25 │
|
|
/// │ ◻◻ │ 36 │
|
|
/// │ ◼◻ │ 78 │
|
|
/// └──────┴────┘
|
|
/// =
|
|
/// braille bitmap is
|
|
/// ◻◼◻◼◼◻◼◻ = 0b01011010 = 0x5A
|
|
/// 12345678
|
|
/// ```
|
|
/// and braille character is bitmap + 0x2800 (Braille block's position in Unicode)
|
|
/// ```text
|
|
/// 0x5A + 0x2800 = 0x285A = '⡚'
|
|
/// ```
|
|
///
|
|
/// Why three columns? I originally wrote this for X-Face bitmaps, which are 48x48 pixels.
|
|
pub struct BraillePixelIter {
|
|
columns: [Braille16bitColumn; 3],
|
|
column_ptr: usize,
|
|
}
|
|
|
|
impl From<&[u16]> for BraillePixelIter {
|
|
fn from(from: &[u16]) -> Self {
|
|
BraillePixelIter {
|
|
columns: [
|
|
Braille16bitColumn {
|
|
bitmaps: (
|
|
from[0].swap_bytes().reverse_bits(),
|
|
from[3].swap_bytes().reverse_bits(),
|
|
from[6].swap_bytes().reverse_bits(),
|
|
from[9].swap_bytes().reverse_bits(),
|
|
),
|
|
bitcolumn: 1,
|
|
},
|
|
Braille16bitColumn {
|
|
bitmaps: (
|
|
from[1].swap_bytes().reverse_bits(),
|
|
from[4].swap_bytes().reverse_bits(),
|
|
from[7].swap_bytes().reverse_bits(),
|
|
from[10].swap_bytes().reverse_bits(),
|
|
),
|
|
bitcolumn: 1,
|
|
},
|
|
Braille16bitColumn {
|
|
bitmaps: (
|
|
from[2].swap_bytes().reverse_bits(),
|
|
from[5].swap_bytes().reverse_bits(),
|
|
from[8].swap_bytes().reverse_bits(),
|
|
from[11].swap_bytes().reverse_bits(),
|
|
),
|
|
bitcolumn: 1,
|
|
},
|
|
],
|
|
column_ptr: 0,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Iterator for BraillePixelIter {
|
|
type Item = char;
|
|
fn next(&mut self) -> Option<char> {
|
|
if self.columns[self.column_ptr].bitcolumn == 17 {
|
|
if self.column_ptr == 2 {
|
|
return None;
|
|
}
|
|
self.column_ptr += 1;
|
|
}
|
|
let Braille16bitColumn {
|
|
ref bitmaps,
|
|
ref mut bitcolumn,
|
|
} = &mut self.columns[self.column_ptr];
|
|
/* First bitcolumn out of two (braille is 2x4) */
|
|
let mut bits: u16 = 0x1 & (bitmaps.0.rotate_left(*bitcolumn)); // * 0x1;
|
|
bits += (0x1 & (bitmaps.1.rotate_left(*bitcolumn))) * 0x2;
|
|
bits += (0x1 & (bitmaps.2.rotate_left(*bitcolumn))) * 0x4;
|
|
bits += (0x1 & (bitmaps.3.rotate_left(*bitcolumn))) * 0x40;
|
|
/* Second bitcolumn */
|
|
*bitcolumn += 1;
|
|
bits += (0x1 & (bitmaps.0.rotate_left(*bitcolumn))) * 0x8;
|
|
bits += (0x1 & (bitmaps.1.rotate_left(*bitcolumn))) * 0x10;
|
|
bits += (0x1 & (bitmaps.2.rotate_left(*bitcolumn))) * 0x20;
|
|
bits += (0x1 & (bitmaps.3.rotate_left(*bitcolumn))) * 0x80;
|
|
*bitcolumn += 1;
|
|
|
|
/* The Braille Patterns block spans the entire [U+2800, U+28FF] range and bits is a
|
|
* 16bit integer ∈ [0x00, 0xFF] so this is guaranteed to be a Unicode char */
|
|
Some(unsafe { std::char::from_u32_unchecked(bits as u32 + 0x2800) })
|
|
}
|
|
}
|
|
}
|
|
|
|
pub use screen::StateStdout;
|
|
pub mod screen {
|
|
use super::*;
|
|
use cells::CellBuffer;
|
|
use std::io::Write;
|
|
use termion::raw::IntoRawMode;
|
|
use termion::screen::AlternateScreen;
|
|
use termion::{clear, cursor};
|
|
pub type StateStdout =
|
|
termion::screen::AlternateScreen<termion::raw::RawTerminal<std::io::Stdout>>;
|
|
pub struct Screen {
|
|
pub cols: usize,
|
|
pub rows: usize,
|
|
pub grid: CellBuffer,
|
|
pub overlay_grid: CellBuffer,
|
|
pub stdout: Option<StateStdout>,
|
|
pub mouse: bool,
|
|
pub draw_horizontal_segment_fn:
|
|
fn(&mut CellBuffer, &mut StateStdout, usize, usize, usize) -> (),
|
|
}
|
|
|
|
impl Screen {
|
|
/// Switch back to the terminal's main screen (The command line the user sees before opening
|
|
/// the application)
|
|
pub fn switch_to_main_screen(&mut self) {
|
|
let mouse = self.mouse;
|
|
write!(
|
|
self.stdout.as_mut().unwrap(),
|
|
"{}{}{}{}{disable_sgr_mouse}{disable_mouse}",
|
|
termion::screen::ToMainScreen,
|
|
cursor::Show,
|
|
RestoreWindowTitleIconFromStack,
|
|
BracketModeEnd,
|
|
disable_sgr_mouse = if mouse { DisableSGRMouse.as_ref() } else { "" },
|
|
disable_mouse = if mouse { DisableMouse.as_ref() } else { "" },
|
|
)
|
|
.unwrap();
|
|
self.flush();
|
|
self.stdout = None;
|
|
}
|
|
|
|
pub fn switch_to_alternate_screen(&mut self, context: &crate::Context) {
|
|
let s = std::io::stdout();
|
|
|
|
let mut stdout = AlternateScreen::from(s.into_raw_mode().unwrap());
|
|
|
|
write!(
|
|
&mut stdout,
|
|
"{save_title_to_stack}{}{}{}{window_title}{}{}{enable_mouse}{enable_sgr_mouse}",
|
|
termion::screen::ToAlternateScreen,
|
|
cursor::Hide,
|
|
clear::All,
|
|
cursor::Goto(1, 1),
|
|
BracketModeStart,
|
|
save_title_to_stack = SaveWindowTitleIconToStack,
|
|
window_title = if let Some(ref title) = context.settings.terminal.window_title {
|
|
format!("\x1b]2;{}\x07", title)
|
|
} else {
|
|
String::new()
|
|
},
|
|
enable_mouse = if self.mouse { EnableMouse.as_ref() } else { "" },
|
|
enable_sgr_mouse = if self.mouse {
|
|
EnableSGRMouse.as_ref()
|
|
} else {
|
|
""
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
self.stdout = Some(stdout);
|
|
self.flush();
|
|
}
|
|
|
|
pub fn flush(&mut self) {
|
|
if let Some(s) = self.stdout.as_mut() {
|
|
s.flush().unwrap();
|
|
}
|
|
}
|
|
|
|
pub fn set_mouse(&mut self, value: bool) {
|
|
if let Some(stdout) = self.stdout.as_mut() {
|
|
write!(
|
|
stdout,
|
|
"{mouse}{sgr_mouse}",
|
|
mouse = if value {
|
|
AsRef::<str>::as_ref(&EnableMouse)
|
|
} else {
|
|
AsRef::<str>::as_ref(&DisableMouse)
|
|
},
|
|
sgr_mouse = if value {
|
|
AsRef::<str>::as_ref(&EnableSGRMouse)
|
|
} else {
|
|
AsRef::<str>::as_ref(&DisableSGRMouse)
|
|
},
|
|
)
|
|
.unwrap();
|
|
}
|
|
self.flush();
|
|
}
|
|
/// On `SIGWNICH` the `State` redraws itself according to the new terminal size.
|
|
pub fn update_size(&mut self) {
|
|
let termsize = termion::terminal_size().ok();
|
|
let termcols = termsize.map(|(w, _)| w);
|
|
let termrows = termsize.map(|(_, h)| h);
|
|
if termcols.unwrap_or(72) as usize != self.cols
|
|
|| termrows.unwrap_or(120) as usize != self.rows
|
|
{
|
|
debug!(
|
|
"Size updated, from ({}, {}) -> ({:?}, {:?})",
|
|
self.cols, self.rows, termcols, termrows
|
|
);
|
|
}
|
|
self.cols = termcols.unwrap_or(72) as usize;
|
|
self.rows = termrows.unwrap_or(120) as usize;
|
|
if !self.grid.resize(self.cols, self.rows, None) {
|
|
panic!(
|
|
"Terminal size too big: ({} cols, {} rows)",
|
|
self.cols, self.rows
|
|
);
|
|
}
|
|
let _ = self.overlay_grid.resize(self.cols, self.rows, None);
|
|
}
|
|
|
|
/// Draw only a specific `area` on the screen.
|
|
pub fn draw_horizontal_segment(
|
|
grid: &mut CellBuffer,
|
|
stdout: &mut StateStdout,
|
|
x_start: usize,
|
|
x_end: usize,
|
|
y: usize,
|
|
) {
|
|
write!(
|
|
stdout,
|
|
"{}",
|
|
cursor::Goto(x_start as u16 + 1, (y + 1) as u16)
|
|
)
|
|
.unwrap();
|
|
let mut current_fg = Color::Default;
|
|
let mut current_bg = Color::Default;
|
|
let mut current_attrs = Attr::DEFAULT;
|
|
write!(stdout, "\x1B[m").unwrap();
|
|
for x in x_start..=x_end {
|
|
let c = &grid[(x, y)];
|
|
if c.attrs() != current_attrs {
|
|
c.attrs().write(current_attrs, stdout).unwrap();
|
|
current_attrs = c.attrs();
|
|
}
|
|
if c.bg() != current_bg {
|
|
c.bg().write_bg(stdout).unwrap();
|
|
current_bg = c.bg();
|
|
}
|
|
if c.fg() != current_fg {
|
|
c.fg().write_fg(stdout).unwrap();
|
|
current_fg = c.fg();
|
|
}
|
|
if !c.empty() {
|
|
write!(stdout, "{}", c.ch()).unwrap();
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn draw_horizontal_segment_no_color(
|
|
grid: &mut CellBuffer,
|
|
stdout: &mut StateStdout,
|
|
x_start: usize,
|
|
x_end: usize,
|
|
y: usize,
|
|
) {
|
|
write!(
|
|
stdout,
|
|
"{}",
|
|
cursor::Goto(x_start as u16 + 1, (y + 1) as u16)
|
|
)
|
|
.unwrap();
|
|
let mut current_attrs = Attr::DEFAULT;
|
|
write!(stdout, "\x1B[m").unwrap();
|
|
for x in x_start..=x_end {
|
|
let c = &grid[(x, y)];
|
|
if c.attrs() != current_attrs {
|
|
c.attrs().write(current_attrs, stdout).unwrap();
|
|
current_attrs = c.attrs();
|
|
}
|
|
if !c.empty() {
|
|
write!(stdout, "{}", c.ch()).unwrap();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|