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Diffstat (limited to '')
| -rw-r--r-- | graphics/src/text/editor.rs | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/graphics/src/text/editor.rs b/graphics/src/text/editor.rs index 95061c3c..18c9b572 100644 --- a/graphics/src/text/editor.rs +++ b/graphics/src/text/editor.rs @@ -538,11 +538,27 @@ impl editor::Editor for Editor { let internal = self.internal(); let buffer = internal.editor.buffer(); - let scroll = buffer.scroll(); - let visible_lines = buffer.visible_lines(); - let last_visible_line = ((scroll + visible_lines) as usize) - .min(buffer.lines.len()) - .saturating_sub(1); + let mut window = buffer.scroll() + buffer.visible_lines(); + + let last_visible_line = buffer + .lines + .iter() + .enumerate() + .find_map(|(i, line)| { + let visible_lines = line + .layout_opt() + .as_ref() + .expect("Line layout should be cached") + .len() as i32; + + if window > visible_lines { + window -= visible_lines; + None + } else { + Some(i) + } + }) + .unwrap_or(buffer.lines.len()); let current_line = highlighter.current_line(); |