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fix(input): ANSI code sent to terminal on startup and resize

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* fix macos parsing issues

* format

* fix(ansiparser): validate first key on parse

Co-authored-by: Aram Drevekenin <aram@poor.dev>
This commit is contained in:
Thomas Linford 2022-05-16 15:32:17 +02:00 • committed by GitHub
parent 84d8f94f36
commit 6ed4bf8c0b
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 8 deletions
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20
zellij-client/src/stdin_ansi_parser.rs
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@ -17,7 +17,7 @@ impl StdinAnsiParser {
}
}
pub fn increment_expected_ansi_instructions(&mut self, to: usize) {
self.expected_ansi_instructions = to;
self.expected_ansi_instructions += to;
}
pub fn decrement_expected_ansi_instructions(&mut self, by: usize) {
self.expected_ansi_instructions = self.expected_ansi_instructions.saturating_sub(by);
@ -26,6 +26,16 @@ impl StdinAnsiParser {
self.expected_ansi_instructions
}
pub fn parse(&mut self, key: Key, raw_bytes: Vec<u8>) -> Option<AnsiStdinInstructionOrKeys> {
if self.current_buffer.is_empty()
&& (key != Key::Esc && key != Key::Alt(CharOrArrow::Char(']')))
{
// the first key of a sequence is always Esc, but termwiz interprets esc + ] as Alt+]
self.current_buffer.push((key, raw_bytes));
self.expected_ansi_instructions = 0;
return Some(AnsiStdinInstructionOrKeys::Keys(
self.current_buffer.drain(..).collect(),
));
}
if let Key::Char('t') = key {
self.current_buffer.push((key, raw_bytes));
match AnsiStdinInstructionOrKeys::pixel_dimensions_from_keys(&self.current_buffer) {
@ -41,7 +51,7 @@ impl StdinAnsiParser {
))
}
}
} else if let Key::Alt(CharOrArrow::Char('\\')) = key {
} else if let Key::Alt(CharOrArrow::Char('\\')) | Key::Ctrl('g') = key {
match AnsiStdinInstructionOrKeys::color_sequence_from_keys(&self.current_buffer) {
Ok(color_instruction) => {
self.decrement_expected_ansi_instructions(1);
@ -67,12 +77,6 @@ impl StdinAnsiParser {
}
}
fn key_is_valid(&self, key: Key) -> bool {
if self.current_buffer.is_empty()
&& (key != Key::Esc && key != Key::Alt(CharOrArrow::Char(']')))
{
// the first key of a sequence is always Esc, but termwiz interprets esc + ] as Alt+]
return false;
}
match key {
Key::Esc => {
// this is a UX improvement