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Add history browse option in execute bar

Press Ctrl-P and Ctrl-N to get previous and next command in history.
tags/pre-alpha-0.4.0
Manos Pitsidianakis 2 years ago
parent
commit
6b5ed25289
Signed by: epilys GPG Key ID: 73627C2F690DF710
  1. 43
      ui/src/components/utilities.rs

43
ui/src/components/utilities.rs

@ -615,6 +615,7 @@ pub struct StatusBar {
notifications: VecDeque<String>,
cur_notification: Option<(std::time::Instant, String)>,
ex_buffer: Field,
ex_buffer_cmd_history_pos: Option<usize>,
display_buffer: String,
mode: UIMode,
height: usize,
@ -640,6 +641,7 @@ impl StatusBar {
notifications: VecDeque::new(),
cur_notification: None,
ex_buffer: Field::Text(UText::new(String::with_capacity(256)), None),
ex_buffer_cmd_history_pos: None,
display_buffer: String::with_capacity(8),
dirty: true,
mode: UIMode::Normal,
@ -1033,6 +1035,47 @@ impl Component for StatusBar {
self.auto_complete.inc_cursor();
self.dirty = true;
}
UIEvent::ExInput(Key::Ctrl('p')) => {
let pos = self.ex_buffer_cmd_history_pos.map(|p| p + 1).unwrap_or(0);
let pos = Some(std::cmp::min(pos, self.cmd_history.len().saturating_sub(1)));
if pos != self.ex_buffer_cmd_history_pos {
let mut utext = UText::new(
self.cmd_history[self.cmd_history.len().saturating_sub(1) - pos.unwrap()]
.clone(),
);
let len = utext.as_str().len();
utext.set_cursor(len);
self.container.set_dirty();
self.set_dirty();
self.ex_buffer = Field::Text(utext, None);
self.ex_buffer_cmd_history_pos = pos;
self.dirty = true;
}
return true;
}
UIEvent::ExInput(Key::Ctrl('n')) => {
if Some(0) == self.ex_buffer_cmd_history_pos {
self.ex_buffer_cmd_history_pos = None;
self.ex_buffer.clear();
self.dirty = true;
} else if self.ex_buffer_cmd_history_pos.is_some() {
let pos = self.ex_buffer_cmd_history_pos.map(|p| p - 1);
let mut utext = UText::new(
self.cmd_history[self.cmd_history.len().saturating_sub(1) - pos.unwrap()]
.clone(),
);
let len = utext.as_str().len();
utext.set_cursor(len);
self.container.set_dirty();
self.set_dirty();
self.ex_buffer = Field::Text(utext, None);
self.ex_buffer_cmd_history_pos = pos;
self.dirty = true;
}
return true;
}
UIEvent::Resize => {
self.dirty = true;
}

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