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Merge pull request #704 from pka/fix-build-without-crossterm

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Fix build without crossterm
This commit is contained in:
Jonathan Turner 2019-09-25 12:46:06 +12:00 committed by GitHub
commit 8c240ca3fd
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2 changed files with 69 additions and 63 deletions
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3
src/cli.rs
View file

@ -359,7 +359,8 @@ pub async fn cli() -> Result<(), Box<dyn Error>> {
// Register Ctrl-r for history fuzzy search
// rustyline doesn't support custom commands, so we override Ctrl-D (EOF)
#[cfg(not(windows))] // https://github.com/nushell/nushell/issues/689
// https://github.com/nushell/nushell/issues/689
#[cfg(all(not(windows), feature = "crossterm"))]
rl.bind_sequence(rustyline::KeyPress::Ctrl('R'), rustyline::Cmd::EndOfFile);
// Redefine Ctrl-D to same command as Ctrl-C
rl.bind_sequence(rustyline::KeyPress::Ctrl('D'), rustyline::Cmd::Interrupt);

129
src/fuzzysearch.rs
View file

@ -1,4 +1,5 @@
use ansi_term::{ANSIString, ANSIStrings, Colour, Style};
#[cfg(feature = "crossterm")]
use crossterm::{cursor, terminal, ClearType, InputEvent, KeyEvent, RawScreen};
use std::io::Write;
use sublime_fuzzy::best_match;
@ -18,76 +19,78 @@ pub fn interactive_fuzzy_search(lines: &Vec<&str>, max_results: usize) -> Select
Edit(String),
}
let mut state = State::Selecting;
if let Ok(_raw) = RawScreen::into_raw_mode() {
// User input for search
let mut searchinput = String::new();
let mut selected = 0;
#[cfg(feature = "crossterm")]
{
if let Ok(_raw) = RawScreen::into_raw_mode() {
// User input for search
let mut searchinput = String::new();
let mut selected = 0;
let mut cursor = cursor();
let _ = cursor.hide();
let input = crossterm::input();
let mut sync_stdin = input.read_sync();
let mut cursor = cursor();
let _ = cursor.hide();
let input = crossterm::input();
let mut sync_stdin = input.read_sync();
while state == State::Selecting {
let mut selected_lines = fuzzy_search(&searchinput, &lines, max_results);
let num_lines = selected_lines.len();
paint_selection_list(&selected_lines, selected);
if let Some(ev) = sync_stdin.next() {
match ev {
InputEvent::Keyboard(k) => match k {
KeyEvent::Esc | KeyEvent::Ctrl('c') => {
state = State::Quit;
}
KeyEvent::Up => {
if selected > 0 {
selected -= 1;
while state == State::Selecting {
let mut selected_lines = fuzzy_search(&searchinput, &lines, max_results);
let num_lines = selected_lines.len();
paint_selection_list(&selected_lines, selected);
if let Some(ev) = sync_stdin.next() {
match ev {
InputEvent::Keyboard(k) => match k {
KeyEvent::Esc | KeyEvent::Ctrl('c') => {
state = State::Quit;
}
}
KeyEvent::Down => {
if selected + 1 < selected_lines.len() {
selected += 1;
KeyEvent::Up => {
if selected > 0 {
selected -= 1;
}
}
}
KeyEvent::Char('\n') => {
state = if selected_lines.len() > 0 {
State::Selected(selected_lines.remove(selected).text)
} else {
State::Edit("".to_string())
};
}
KeyEvent::Char('\t') | KeyEvent::Right => {
state = if selected_lines.len() > 0 {
State::Edit(selected_lines.remove(selected).text)
} else {
State::Edit("".to_string())
};
}
KeyEvent::Char(ch) => {
searchinput.push(ch);
selected = 0;
}
KeyEvent::Backspace => {
searchinput.pop();
selected = 0;
}
_ => {
// println!("OTHER InputEvent: {:?}", k);
}
},
_ => {}
KeyEvent::Down => {
if selected + 1 < selected_lines.len() {
selected += 1;
}
}
KeyEvent::Char('\n') => {
state = if selected_lines.len() > 0 {
State::Selected(selected_lines.remove(selected).text)
} else {
State::Edit("".to_string())
};
}
KeyEvent::Char('\t') | KeyEvent::Right => {
state = if selected_lines.len() > 0 {
State::Edit(selected_lines.remove(selected).text)
} else {
State::Edit("".to_string())
};
}
KeyEvent::Char(ch) => {
searchinput.push(ch);
selected = 0;
}
KeyEvent::Backspace => {
searchinput.pop();
selected = 0;
}
_ => {
// println!("OTHER InputEvent: {:?}", k);
}
},
_ => {}
}
}
if num_lines > 0 {
cursor.move_up(num_lines as u16);
}
}
if num_lines > 0 {
cursor.move_up(num_lines as u16);
}
let (_x, y) = cursor.pos();
let _ = cursor.goto(0, y - 1);
let _ = cursor.show();
let _ = RawScreen::disable_raw_mode();
}
let (_x, y) = cursor.pos();
let _ = cursor.goto(0, y - 1);
let _ = cursor.show();
let _ = RawScreen::disable_raw_mode();
terminal().clear(ClearType::FromCursorDown).unwrap();
}
terminal().clear(ClearType::FromCursorDown).unwrap();
match state {
State::Selected(line) => SelectionResult::Selected(line),
State::Edit(line) => SelectionResult::Edit(line),
@ -132,6 +135,7 @@ pub fn fuzzy_search(searchstr: &str, lines: &Vec<&str>, max_results: usize) -> V
results
}
#[cfg(feature = "crossterm")]
fn highlight(textmatch: &Match, normal: Style, highlighted: Style) -> Vec<ANSIString> {
let text = &textmatch.text;
let mut ansi_strings = vec![];
@ -147,6 +151,7 @@ fn highlight(textmatch: &Match, normal: Style, highlighted: Style) -> Vec<ANSISt
ansi_strings
}
#[cfg(feature = "crossterm")]
fn paint_selection_list(lines: &Vec<Match>, selected: usize) {
let terminal = terminal();
let size = terminal.terminal_size();