diff options
Diffstat (limited to 'alacritty_terminal/src/term/mod.rs')
| -rw-r--r-- | alacritty_terminal/src/term/mod.rs | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/alacritty_terminal/src/term/mod.rs b/alacritty_terminal/src/term/mod.rs index f27852de..7d00961e 100644 --- a/alacritty_terminal/src/term/mod.rs +++ b/alacritty_terminal/src/term/mod.rs @@ -31,6 +31,9 @@ mod search; /// Max size of the window title stack. const TITLE_STACK_MAX_DEPTH: usize = 4096; +/// Minimum contrast between a fixed cursor color and the cell's background. +const MIN_CURSOR_CONTRAST: f64 = 1.5; + /// Maximum number of linewraps followed outside of the viewport during search highlighting. const MAX_SEARCH_LINES: usize = 100; @@ -389,13 +392,19 @@ impl<'a, C> Iterator for RenderableCellsIter<'a, C> { if self.cursor.point.line == self.inner.line() && self.cursor.point.col == self.inner.column() { - // Handle cell below cursor. if self.cursor.rendered { + // Handle cell below cursor. let cell = self.inner.next()?; let mut cell = RenderableCell::new(self, cell); if self.cursor.key.style == CursorStyle::Block { - cell.fg = self.cursor.text_color.color(cell.fg, cell.bg); + // Invert cursor if static background is close to the cell's background. + match self.cursor.cursor_color { + CellRgb::Rgb(col) if col.contrast(cell.bg) >= MIN_CURSOR_CONTRAST => { + cell.fg = self.cursor.text_color.color(cell.fg, cell.bg); + }, + _ => cell.fg = cell.bg, + } } return Some(cell); @@ -412,7 +421,13 @@ impl<'a, C> Iterator for RenderableCellsIter<'a, C> { let mut cell = RenderableCell::new(self, cell); cell.inner = RenderableCellContent::Cursor(self.cursor.key); - cell.fg = self.cursor.cursor_color.color(cell.fg, cell.bg); + + // Only apply static color if it isn't close to the cell's current background. + if let CellRgb::Rgb(color) = self.cursor.cursor_color { + if color.contrast(cell.bg) >= MIN_CURSOR_CONTRAST { + cell.fg = self.cursor.cursor_color.color(cell.fg, cell.bg); + } + } return Some(cell); } |