From c49a7e88f64d1421474d492cc6f51bfd30e1e4d1 Mon Sep 17 00:00:00 2001 From: Joe Wilm Date: Fri, 16 Feb 2018 17:54:32 -0800 Subject: Make number of scrollback lines configurable --- src/grid/mod.rs | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-) (limited to 'src/grid/mod.rs') diff --git a/src/grid/mod.rs b/src/grid/mod.rs index c6543270..1cb0876e 100644 --- a/src/grid/mod.rs +++ b/src/grid/mod.rs @@ -28,9 +28,6 @@ mod tests; mod storage; use self::storage::Storage; -/// Lines to keep in scrollback buffer -const SCROLLBACK_LINES: usize = 10_000; - /// Convert a type to a linear index range. pub trait ToRange { fn to_range(&self) -> RangeInclusive; @@ -101,19 +98,8 @@ pub struct GridIterator<'a, T: 'a> { } impl Grid { - pub fn scroll_display(&mut self, count: isize) { - self.display_offset = min( - max((self.display_offset as isize) + count, 0isize) as usize, - self.scroll_limit - ); - } - - pub fn reset_scroll(&mut self) { - self.display_offset = 0; - } - - pub fn new(lines: index::Line, cols: index::Column, template: T) -> Grid { - let mut raw = Storage::with_capacity(*lines + SCROLLBACK_LINES, lines); + pub fn new(lines: index::Line, cols: index::Column, scrollback: usize, template: T) -> Grid { + let mut raw = Storage::with_capacity(*lines + scrollback, lines); let template_row = Row::new(cols, &template); // Allocate all lines in the buffer, including scrollback history @@ -137,6 +123,17 @@ impl Grid { } } + pub fn scroll_display(&mut self, count: isize) { + self.display_offset = min( + max((self.display_offset as isize) + count, 0isize) as usize, + self.scroll_limit + ); + } + + pub fn reset_scroll_display(&mut self) { + self.display_offset = 0; + } + pub fn resize(&mut self, lines: index::Line, cols: index::Column) { // Check that there's actually work to do and return early if not if lines == self.lines && cols == self.cols { -- cgit