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Fix duplicate line numbers when wrapping

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This commit is contained in:
Jeremy Soller 2023-11-30 15:20:39 -07:00
parent 0b29a90ee1
commit a08eb6bc8b
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GPG key ID: DCFCA852D3906975
1 changed files with 18 additions and 9 deletions
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27
src/text_box.rs
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@ -420,17 +420,26 @@ where
//TODO: move to cosmic-text?
{
let mut line_number_cache = LINE_NUMBER_CACHE.lock().unwrap();
let mut last_line_number = 0;
for run in editor.buffer().layout_runs() {
let line_number = run.line_i.saturating_add(1);
let line_top = run.line_top;
if line_number == last_line_number {
// Skip duplicate lines
continue;
} else {
last_line_number = line_number;
}
for layout_line in line_number_cache.get(
&mut font_system,
LineNumberKey {
number: line_number,
width: line_number_chars,
},
) {
if let Some(layout_line) = line_number_cache
.get(
&mut font_system,
LineNumberKey {
number: line_number,
width: line_number_chars,
},
)
.first()
{
// These values must be scaled since layout is done at font size 1.0
let max_ascent = layout_line.max_ascent * self.metrics.font_size;
let max_descent = layout_line.max_descent * self.metrics.font_size;
@ -439,7 +448,7 @@ where
let glyph_height = max_ascent + max_descent;
let centering_offset =
(self.metrics.line_height - glyph_height) / 2.0;
let line_y = line_top + centering_offset + max_ascent;
let line_y = run.line_top + centering_offset + max_ascent;
for layout_glyph in layout_line.glyphs.iter() {
let physical_glyph =