separated statusline and prompt

This commit is contained in:
Jan Hrastnik 2020-10-10 19:54:16 +02:00 committed by Blaž Hrastnik
parent c60f1a6553
commit 7208c86f23
2 changed files with 24 additions and 43 deletions

View file

@ -71,20 +71,24 @@ impl Editor {
}
fn render(&mut self) {
use tui::backend::Backend;
use tui::style::Color;
// TODO: ideally not mut but highlights require it because of cursor cache
let viewport = Rect::new(OFFSET, 0, self.size.0, self.size.1 - 1); // - 1 for statusline
let viewport = Rect::new(OFFSET, 0, self.size.0, self.size.1 - 2); // - 2 for statusline and prompt
let text_color: Style = Style::default().fg(Color::Rgb(219, 191, 239)); // lilac
self.render_view(viewport);
self.render_view(viewport, text_color);
self.render_prompt(text_color);
self.render_cursor(viewport, text_color);
}
pub fn render_view(&mut self, viewport: Rect) {
pub fn render_view(&mut self, viewport: Rect, text_color: Style) {
self.render_buffer(viewport);
self.render_statusline(text_color);
}
pub fn render_buffer(&mut self, viewport: Rect) {
use tui::style::Color;
let area = Rect::new(0, 0, self.size.0, self.size.1);
let mut view: &mut View = self.view.as_mut().unwrap();
@ -219,63 +223,40 @@ impl Editor {
}
}
}
}
pub fn render_prompt(&mut self, text_color: Style) {
use tui::backend::Backend;
let view = self.view.as_ref().unwrap();
let style: Style = view.theme.get("ui.linenr");
let last_line = view.last_line();
for (i, line) in (view.first_line..last_line).enumerate() {
self.surface
.set_stringn(0, i as u16, format!("{:>5}", line + 1), 5, style);
// lavender
}
}
// let lines = state
// .doc
// .lines_at(self.first_line as usize)
// .take(self.size.1 as usize)
// .map(|x| x.as_str().unwrap());
// // iterate over selections and render them
// let select = Style::default().bg(tui::style::Color::LightBlue);
// let text = state.doc.slice(..);
// for range in state.selection.ranges() {
// // get terminal coords for x,y for each range pos
// // TODO: this won't work with multiline
// let (y1, x1) = coords_at_pos(&text, range.from());
// let (y2, x2) = coords_at_pos(&text, range.to());
// let area = Rect::new(
// (x1 + 2) as u16,
// y1 as u16,
// (x2 - x1 + 1) as u16,
// (y2 - y1 + 1) as u16,
// );
// self.surface.set_style(area, select);
// // TODO: don't highlight next char in append mode
// }
// statusline
pub fn render_statusline(&mut self, text_color: Style) {
let view = self.view.as_ref().unwrap();
let mode = match view.state.mode() {
Mode::Insert => "INS",
Mode::Normal => "NOR",
Mode::Goto => "GOTO",
Mode::Command => ":",
Mode::Command => "COM", // command mode i guess
};
// statusline
self.surface.set_style(
Rect::new(0, self.size.1 - 1, self.size.0, 1),
Rect::new(0, self.size.1 - 2, self.size.0, 1),
view.theme.get("ui.statusline"),
);
self.surface
.set_string(1, self.size.1 - 2, mode, text_color);
}
pub fn render_prompt(&mut self, text_color: Style) {
use tui::backend::Backend;
let view = self.view.as_ref().unwrap();
// render buffer text
let buffer_string = &self.prompt.buffer;
self.surface
.set_string(2, self.size.1 - 1, buffer_string, text_color);
self.surface
.set_string(1, self.size.1 - 1, mode, text_color);
// TODO: theres probably a better place for this
self.terminal
.backend_mut()
.draw(self.cache.diff(&self.surface).into_iter());

View file

@ -39,7 +39,7 @@ impl View {
pub fn ensure_cursor_in_view(&mut self) {
let cursor = self.state.selection().cursor();
let line = self.state.doc().char_to_line(cursor);
let document_end = self.first_line + (self.size.1 as usize).saturating_sub(1);
let document_end = self.first_line + (self.size.1 as usize).saturating_sub(2);
// TODO: side scroll
@ -55,7 +55,7 @@ impl View {
/// Calculates the last visible line on screen
#[inline]
pub fn last_line(&self) -> usize {
let viewport = Rect::new(6, 0, self.size.0, self.size.1 - 1); // - 1 for statusline
let viewport = Rect::new(6, 0, self.size.0, self.size.1 - 2); // - 2 for statusline and prompt
std::cmp::min(
self.first_line + (viewport.height as usize),
self.state.doc().len_lines() - 1,