diff options
author | A-Walrus | 2022-10-10 08:13:25 +0000 |
---|---|---|
committer | Blaž Hrastnik | 2022-10-17 15:38:16 +0000 |
commit | 3ba665d804c8d88bc3d59a52296f349acdb6d436 (patch) | |
tree | 3a76e46fb28d90aa7e4c0a716dd14bb9355db084 /helix-term/src | |
parent | 4e691d62470a4f92ee5bf2e2609a97d0e1ec832c (diff) |
Fix rendering of lines longer than 2^16
Before things would be cast to u16 earlier than needed, which would
cause problems for insanely long lines (longer than 2^16 ~ 65 thousand)
Diffstat (limited to 'helix-term/src')
-rw-r--r-- | helix-term/src/ui/editor.rs | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index 8e9d8631..c6a83546 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -428,7 +428,7 @@ impl EditorView { let characters = &whitespace.characters; let mut spans = Vec::new(); - let mut visual_x = 0u16; + let mut visual_x = 0usize; let mut line = 0u16; let tab_width = doc.tab_width(); let tab = if whitespace.render.tab() == WhitespaceRenderValue::All { @@ -465,14 +465,13 @@ impl EditorView { return; } - let starting_indent = - (offset.col / tab_width) as u16 + config.indent_guides.skip_levels; + let starting_indent = (offset.col / tab_width) + config.indent_guides.skip_levels; // TODO: limit to a max indent level too. It doesn't cause visual artifacts but it would avoid some // extra loops if the code is deeply nested. - for i in starting_indent..(indent_level / tab_width as u16) { + for i in starting_indent..(indent_level / tab_width) { surface.set_string( - viewport.x + (i * tab_width as u16) - offset.col as u16, + (viewport.x as usize + (i * tab_width) - offset.col) as u16, viewport.y + line, &indent_guide_char, indent_guide_style, @@ -518,14 +517,14 @@ impl EditorView { use helix_core::graphemes::{grapheme_width, RopeGraphemes}; for grapheme in RopeGraphemes::new(text) { - let out_of_bounds = visual_x < offset.col as u16 - || visual_x >= viewport.width + offset.col as u16; + let out_of_bounds = offset.col > (visual_x as usize) + || (visual_x as usize) >= viewport.width as usize + offset.col; if LineEnding::from_rope_slice(&grapheme).is_some() { if !out_of_bounds { // we still want to render an empty cell with the style surface.set_string( - viewport.x + visual_x - offset.col as u16, + (viewport.x as usize + visual_x - offset.col) as u16, viewport.y + line, &newline, style.patch(whitespace_style), @@ -573,7 +572,7 @@ impl EditorView { if !out_of_bounds { // if we're offscreen just keep going until we hit a new line surface.set_string( - viewport.x + visual_x - offset.col as u16, + (viewport.x as usize + visual_x - offset.col) as u16, viewport.y + line, display_grapheme, if is_whitespace { @@ -606,7 +605,7 @@ impl EditorView { last_line_indent_level = visual_x; } - visual_x = visual_x.saturating_add(width as u16); + visual_x = visual_x.saturating_add(width); } } } |