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clean up selection rendering

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Crispy 2023-03-14 13:41:46 +01:00
parent df0b6b6ff0
commit a5ce49576b
1 changed files with 17 additions and 20 deletions
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17
src/editor.rs
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@ -169,25 +169,22 @@ impl Editor {
let end = (self.scroll + max_rows).min(self.lines.len()); let end = (self.scroll + max_rows).min(self.lines.len());
let visible_rows = self.scroll..end; let visible_rows = self.scroll..end;
let cursor = self.char_index(); let selection = self.selection().unwrap_or_default();
let marker = self.marker.unwrap_or(0);
let selection = (marker.min(cursor))..(marker.max(cursor));
for (line_index, line) in self.lines[visible_rows].iter().enumerate() { for (line_index, line) in self.lines[visible_rows].iter().enumerate() {
let text = &self.text[line.clone()]; let text = &self.text[line.clone()];
queue!(stdout(), MoveTo(0, line_index as u16)).unwrap(); queue!(stdout(), MoveTo(0, line_index as u16)).unwrap();
if self.marker.is_none() {
print!("{}", text.replace('\t', &" ".repeat(TAB_SIZE)));
} else {
let mut in_selection = false; let mut in_selection = false;
for (i, char) in text.char_indices() { for (i, char) in text.char_indices() {
let char_i = line.start + i; let char_i = line.start + i;
if char_i >= selection.start && char_i <= selection.end && !in_selection { if selection.contains(&char_i) {
if !in_selection {
color_highlight(); color_highlight();
in_selection = true; in_selection = true;
} else if char_i > selection.end && in_selection { }
} else if in_selection {
color_reset(); color_reset();
in_selection = false; in_selection = false;
} }
@ -199,7 +196,6 @@ impl Editor {
} }
color_reset(); color_reset();
} }
}
self.status_line(); self.status_line();
queue!( queue!(
stdout(), stdout(),
@ -207,7 +203,8 @@ impl Editor {
self.physical_column() as u16, self.physical_column() as u16,
(self.cursor.line - self.scroll) as u16 (self.cursor.line - self.scroll) as u16
), ),
cursor::Show cursor::Show,
cursor::SetCursorStyle::BlinkingBar
) )
.unwrap(); .unwrap();
stdout().flush().unwrap(); stdout().flush().unwrap();