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lineedit: implement ctrl-k and fixup deletion of emoji

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This commit is contained in:
Wez Furlong 2019-05-27 08:17:24 -07:00
parent 8a44344937
commit 0f3869be16
1 changed files with 10 additions and 4 deletions
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14
termwiz/src/lineedit/mod.rs
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@ -27,6 +27,7 @@
//! Ctrl-F, Right | Move cursor one grapheme to the right
//! Ctrl-H, Backspace | Delete the grapheme to the left of the cursor
//! Ctrl-J, Ctrl-M, Enter | Finish line editing and accept the current line
//! Ctrl-K | Delete from cursor to end of line
//! Ctrl-L | Move the cursor to the top left, clear screen and repaint
use crate::caps::{Capabilities, ProbeHintsBuilder};
use crate::input::{InputEvent, KeyCode, KeyEvent, Modifiers};
@ -189,6 +190,10 @@ impl<T: Terminal> LineEditor<T> {
key: KeyCode::Char('L'),
modifiers: Modifiers::CTRL,
}) => Some(Action::Repaint),
InputEvent::Key(KeyEvent {
key: KeyCode::Char('K'),
modifiers: Modifiers::CTRL,
}) => Some(Action::Kill(Movement::EndOfLine)),
_ => None,
}
}
@ -241,11 +246,12 @@ impl<T: Terminal> LineEditor<T> {
(self.cursor, new_cursor)
};
for _ in lower..upper {
self.line.remove(lower);
}
self.line.replace_range(lower..upper, "");
self.cursor = new_cursor;
// Clamp to the line length, otherwise a kill to end of line
// command will leave the cursor way off beyond the end of
// the line.
self.cursor = new_cursor.min(self.line.len());
}
fn read_line_impl(&mut self) -> Fallible<String> {