Fix tab highlight when tab is partially visible (#3313)

* Fix tab highlight when tab is partially visible

* Make it style based, and not truncation based

Dealing with truncating is a mess, especially when it comes to wide
unicode graphemes. This way it should work no matter what.

* Inline style calculation into branches
imgbot
A-Walrus 2 years ago committed by GitHub
parent fdd8bbf16b
commit c00b8f7ad7
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GPG Key ID: 4AEE18F83AFDEB23

@ -529,6 +529,8 @@ impl EditorView {
(grapheme.as_ref(), width) (grapheme.as_ref(), width)
}; };
let cut_off_start = offset.col.saturating_sub(visual_x as usize);
if !out_of_bounds { if !out_of_bounds {
// if we're offscreen just keep going until we hit a new line // if we're offscreen just keep going until we hit a new line
surface.set_string( surface.set_string(
@ -541,7 +543,24 @@ impl EditorView {
style style
}, },
); );
} else if cut_off_start != 0 && cut_off_start < width {
// partially on screen
let rect = Rect::new(
viewport.x as u16,
viewport.y + line,
(width - cut_off_start) as u16,
1,
);
surface.set_style(
rect,
if is_whitespace {
style.patch(whitespace_style)
} else {
style
},
);
} }
if is_in_indent_area && !(grapheme == " " || grapheme == "\t") { if is_in_indent_area && !(grapheme == " " || grapheme == "\t") {
draw_indent_guides(visual_x, line, surface); draw_indent_guides(visual_x, line, surface);
is_in_indent_area = false; is_in_indent_area = false;

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