zellij/src/tests/utils.rs
Aram Drevekenin 46c9802f6f
Performance: only render panes that should be updated (#234)
* fix(performance): bring back should_render

* style(fmt): rustfmt
2021-03-16 16:54:07 +01:00

80 lines
3.2 KiB
Rust

use crate::panes::PositionAndSize;
use crate::panes::TerminalPane;
pub fn get_output_frame_snapshots(
output_frames: &[Vec<u8>],
win_size: &PositionAndSize,
) -> Vec<String> {
let mut vte_parser = vte::Parser::new();
let main_pid = 0;
let mut terminal_output = TerminalPane::new(main_pid, *win_size);
let mut snapshots = vec![];
for frame in output_frames.iter() {
for byte in frame.iter() {
vte_parser.advance(&mut terminal_output, *byte);
}
let output_lines = terminal_output.read_buffer_as_lines();
let cursor_coordinates = terminal_output.cursor_coordinates();
let mut snapshot = String::new();
for (line_index, line) in output_lines.iter().enumerate() {
for (character_index, terminal_character) in line.iter().enumerate() {
if let Some((cursor_x, cursor_y)) = cursor_coordinates {
if line_index == cursor_y && character_index == cursor_x {
snapshot.push('█');
continue;
}
}
snapshot.push(terminal_character.character);
}
if line_index != output_lines.len() - 1 {
snapshot.push('\n');
}
}
snapshots.push(snapshot);
}
snapshots
}
pub fn get_next_to_last_snapshot(mut snapshots: Vec<String>) -> Option<String> {
if snapshots.len() < 2 {
None
} else {
Some(snapshots.remove(snapshots.len() - 2))
}
}
pub mod commands {
pub const COMMAND_TOGGLE: [u8; 1] = [7]; // ctrl-g
pub const QUIT: [u8; 1] = [17]; // ctrl-q
pub const ESC: [u8; 1] = [27];
pub const PANE_MODE: [u8; 1] = [16]; // ctrl-p
pub const SPAWN_TERMINAL_IN_PANE_MODE: [u8; 1] = [110]; // n
pub const MOVE_FOCUS_IN_PANE_MODE: [u8; 1] = [112]; // p
pub const SPLIT_DOWN_IN_PANE_MODE: [u8; 1] = [100]; // d
pub const SPLIT_RIGHT_IN_PANE_MODE: [u8; 1] = [114]; // r
pub const TOGGLE_ACTIVE_TERMINAL_FULLSCREEN_IN_PANE_MODE: [u8; 1] = [102]; // f
pub const CLOSE_PANE_IN_PANE_MODE: [u8; 1] = [120]; // x
pub const MOVE_FOCUS_DOWN_IN_PANE_MODE: [u8; 1] = [106]; // j
pub const MOVE_FOCUS_UP_IN_PANE_MODE: [u8; 1] = [107]; // k
pub const MOVE_FOCUS_LEFT_IN_PANE_MODE: [u8; 1] = [104]; // h
pub const MOVE_FOCUS_RIGHT_IN_PANE_MODE: [u8; 1] = [108]; // l
pub const SCROLL_MODE: [u8; 1] = [19]; // ctrl-s
pub const SCROLL_UP_IN_SCROLL_MODE: [u8; 1] = [107]; // k
pub const SCROLL_DOWN_IN_SCROLL_MODE: [u8; 1] = [106]; // j
pub const RESIZE_MODE: [u8; 1] = [18]; // ctrl-r
pub const RESIZE_DOWN_IN_RESIZE_MODE: [u8; 1] = [106]; // j
pub const RESIZE_UP_IN_RESIZE_MODE: [u8; 1] = [107]; // k
pub const RESIZE_LEFT_IN_RESIZE_MODE: [u8; 1] = [104]; // h
pub const RESIZE_RIGHT_IN_RESIZE_MODE: [u8; 1] = [108]; // l
pub const TAB_MODE: [u8; 1] = [20]; // ctrl-t
pub const NEW_TAB_IN_TAB_MODE: [u8; 1] = [110]; // n
pub const SWITCH_NEXT_TAB_IN_TAB_MODE: [u8; 1] = [108]; // l
pub const SWITCH_PREV_TAB_IN_TAB_MODE: [u8; 1] = [104]; // h
pub const CLOSE_TAB_IN_TAB_MODE: [u8; 1] = [120]; // x
pub const SLEEP: [u8; 0] = [];
}