diff options
| -rw-r--r-- | src/term.rs | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/term.rs b/src/term.rs index 62a98400..45e3cf75 100644 --- a/src/term.rs +++ b/src/term.rs @@ -15,6 +15,7 @@ //! Exports the `Term` type which is a high-level API for the Grid use std::mem; use std::ops::{Deref, Range}; +use std::ptr; use ansi::{self, Attr, Handler}; use grid::{Grid, ClearRegion}; @@ -651,7 +652,29 @@ impl ansi::Handler for Term { #[inline] fn delete_chars(&mut self, count: Column) { - err_println!("[unimplemented] delete_chars: {}", count); + // Ensure deleting within terminal bounds + let count = ::std::cmp::min(count, self.size_info.cols()); + + let start = self.cursor.col; + let end = self.cursor.col + count; + let n = (self.size_info.cols() - end).0; + + let line = self.cursor.line; // borrowck + let line = &mut self.grid[line]; + + unsafe { + let src = line[end..].as_ptr(); + let dst = line[start..].as_mut_ptr(); + + ptr::copy(src, dst, n); + } + + // Clear last `count` cells in line. If deleting 1 char, need to delete 1 cell. + let template = self.template_cell.clone(); + let end = self.size_info.cols() - count; + for c in &mut line[end..] { + c.reset(&template); + } } #[inline] |