diff options
Diffstat (limited to 'helix-term/src/application.rs')
| -rw-r--r-- | helix-term/src/application.rs | 101 |
1 files changed, 95 insertions, 6 deletions
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs index 87d03c72..1e719f5f 100644 --- a/helix-term/src/application.rs +++ b/helix-term/src/application.rs @@ -34,6 +34,8 @@ type Terminal = tui::Terminal<CrosstermBackend<std::io::Stdout>>; static EX: smol::Executor = smol::Executor::new(); +const BASE_WIDTH: u16 = 30; + pub struct Application { editor: Editor, prompt: Option<Prompt>, @@ -235,7 +237,52 @@ impl Renderer { .set_string(1, self.size.1 - 2, mode, self.text_color); } - pub fn render_prompt(&mut self, prompt: &Prompt) { + pub fn render_prompt(&mut self, view: &View, prompt: &Prompt) { + // completion + if !prompt.completion.is_empty() { + // TODO: find out better way of clearing individual lines of the screen + let mut row = 0; + let mut col = 0; + let max_col = self.size.0 / BASE_WIDTH; + let col_height = ((prompt.completion.len() as u16 + max_col - 1) / max_col); + + for i in (3..col_height + 3) { + self.surface.set_string( + 0, + self.size.1 - i as u16, + " ".repeat(self.size.0 as usize), + self.text_color, + ); + } + self.surface.set_style( + Rect::new(0, self.size.1 - col_height - 2, self.size.0, col_height), + view.theme.get("ui.statusline"), + ); + for (i, command) in prompt.completion.iter().enumerate() { + let color = if prompt.completion_selection_index.is_some() + && i == prompt.completion_selection_index.unwrap() + { + Style::default().bg(Color::Rgb(104, 060, 232)) + } else { + self.text_color + }; + self.surface.set_stringn( + 1 + col * BASE_WIDTH, + self.size.1 - col_height - 2 + row, + &command, + BASE_WIDTH as usize - 1, + color, + ); + row += 1; + if row > col_height - 1 { + row = 0; + col += 1; + } + if col > max_col { + break; + } + } + } // render buffer text self.surface .set_string(1, self.size.1 - 1, &prompt.prompt, self.text_color); @@ -309,10 +356,13 @@ impl Application { if let Some(view) = &mut self.editor.view { self.terminal.render_view(view, viewport); - } - - if let Some(prompt) = &self.prompt { - self.terminal.render_prompt(prompt); + if let Some(prompt) = &self.prompt { + if prompt.should_close { + self.prompt = None; + } else { + self.terminal.render_prompt(view, prompt); + } + } } self.terminal.draw(); @@ -383,7 +433,46 @@ impl Application { { let prompt = Prompt::new( ":".to_owned(), - |_input: &str| None, // completion + |_input: &str| { + // TODO: i need this duplicate list right now to avoid borrow checker issues + let command_list = vec![ + String::from("q"), + String::from("aaa"), + String::from("bbb"), + String::from("ccc"), + String::from("ddd"), + String::from("eee"), + String::from("averylongcommandaverylongcommandaverylongcommandaverylongcommandaverylongcommand"), + String::from("q"), + String::from("aaa"), + String::from("bbb"), + String::from("ccc"), + String::from("ddd"), + String::from("eee"), + String::from("q"), + String::from("aaa"), + String::from("bbb"), + String::from("ccc"), + String::from("ddd"), + String::from("eee"), + String::from("q"), + String::from("aaa"), + String::from("bbb"), + String::from("ccc"), + String::from("ddd"), + String::from("eee"), + String::from("q"), + String::from("aaa"), + String::from("bbb"), + String::from("ccc"), + String::from("ddd"), + String::from("eee"), + ]; + command_list + .into_iter() + .filter(|command| command.contains(_input)) + .collect() + }, // completion |editor: &mut Editor, input: &str| match input { "q" => editor.should_close = true, _ => (), |