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This commit is contained in:
Joe Wilm 2017-03-07 10:27:53 -08:00
parent ad56e3b761
commit b033162d26
1 changed files with 16 additions and 9 deletions
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25
src/term/mod.rs
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@ -1036,6 +1036,14 @@ impl ansi::Handler for Term {
/// A character to be displayed
#[inline]
fn input(&mut self, c: char) {
// Number of cells the char will occupy
//
// TODO handle zero width characters (eg unicode variation selectors)
let width = match c.width() {
Some(0) | None => return,
Some(width) => width,
};
if self.input_needs_wrap {
if !self.mode.contains(mode::LINE_WRAP) {
return;
@ -1064,9 +1072,6 @@ impl ansi::Handler for Term {
}
{
// Number of cells the char will occupy
let width = c.width();
// Sigh, borrowck making us check the width twice. Hopefully the
// optimizer can fix it.
{
@ -1075,24 +1080,26 @@ impl ansi::Handler for Term {
cell.c = self.cursor.charsets[self.active_charset].map(c);
// Handle wide chars
if let Some(2) = width {
if width == 2 {
cell.flags.insert(cell::WIDE_CHAR);
}
}
// Set spacer cell for wide chars.
if let Some(2) = width {
if width == 2 {
// Only set the wide char spacer when not at EOL
if self.cursor.point.col + 1 < self.grid.num_cols() {
self.cursor.point.col += 1;
let spacer = &mut self.grid[&self.cursor.point];
let mut point = self.cursor.point;
point.col += 1;
let spacer = &mut self.grid[&point];
*spacer = self.cursor.template;
spacer.flags.insert(cell::WIDE_CHAR_SPACER);
}
}
}
if (self.cursor.point.col + 1) < self.grid.num_cols() {
self.cursor.point.col += 1;
if (self.cursor.point.col + width) < self.grid.num_cols() {
self.cursor.point.col += width;
} else {
self.input_needs_wrap = true;
}