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Respond to DECRQM 2027 - grapheme clustering

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closes: https://github.com/wez/wezterm/issues/4320
This commit is contained in:
Wez Furlong 2023-09-20 14:48:05 -07:00
parent bf545f1cc1
commit 33e727b074
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GPG Key ID: 7A7F66A31EC9B387
2 changed files with 36 additions and 0 deletions
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31
term/src/terminalstate/mod.rs
View File

@ -1345,6 +1345,22 @@ impl TerminalState {
}
}
/// Indicates that mode is permanently enabled
fn decqrm_response_permanent(&mut self, mode: Mode) {
let (is_dec, number) = match &mode {
Mode::QueryDecPrivateMode(DecPrivateMode::Code(code)) => (true, code.to_u16().unwrap()),
Mode::QueryDecPrivateMode(DecPrivateMode::Unspecified(code)) => (true, *code),
Mode::QueryMode(TerminalMode::Code(code)) => (false, code.to_u16().unwrap()),
Mode::QueryMode(TerminalMode::Unspecified(code)) => (false, *code),
_ => unreachable!(),
};
let prefix = if is_dec { "?" } else { "" };
write!(self.writer, "\x1b[{prefix}{number};3$y").ok();
self.writer.flush().ok();
}
fn decqrm_response(&mut self, mode: Mode, mut recognized: bool, enabled: bool) {
let (is_dec, number) = match &mode {
Mode::QueryDecPrivateMode(DecPrivateMode::Code(code)) => (true, code.to_u16().unwrap()),
@ -1449,6 +1465,21 @@ impl TerminalState {
self.decqrm_response(mode, true, self.left_and_right_margin_mode);
}
Mode::SetDecPrivateMode(DecPrivateMode::Code(
DecPrivateModeCode::GraphemeClustering,
))
| Mode::ResetDecPrivateMode(DecPrivateMode::Code(
DecPrivateModeCode::GraphemeClustering,
)) => {
// Permanently enabled
}
Mode::QueryDecPrivateMode(DecPrivateMode::Code(
DecPrivateModeCode::GraphemeClustering,
)) => {
self.decqrm_response_permanent(mode);
}
Mode::SetDecPrivateMode(DecPrivateMode::Code(DecPrivateModeCode::SaveCursor)) => {
self.dec_save_cursor();
}

5
termwiz/src/escape/csi.rs
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@ -841,6 +841,11 @@ pub enum DecPrivateModeCode {
EnableAlternateScreen = 47,
OptEnableAlternateScreen = 1047,
BracketedPaste = 2004,
/// <https://github.com/contour-terminal/terminal-unicode-core/>
/// Grapheme clustering mode
GraphemeClustering = 2027,
/// Applies to sixel and regis modes
UsePrivateColorRegistersForEachGraphic = 1070,