bendns' repos / pattypan
small software-rendered rust tty
Diffstat (limited to 'src/term.rs')
-rw-r--r--src/term.rs50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/term.rs b/src/term.rs
index e858c5c..394e1a7 100644
--- a/src/term.rs
+++ b/src/term.rs
@@ -1,4 +1,5 @@
use std::iter::repeat_n;
+use std::ops::Not;
use ctlfun::Parameter::*;
use ctlfun::TerminalInput::*;
@@ -14,6 +15,29 @@ pub struct Terminal {
pub row: usize,
pub p: TerminalInputParser,
pub mode: Mode,
+
+ pub alternate: Option<Box<Self>>,
+}
+
+use std::default::Default::default;
+impl Terminal {
+ pub fn new(sz @ (c, r): (u16, u16), alt: bool) -> Self {
+ Self {
+ style: default(),
+ saved_cursor: (1, 1),
+ cursor: (1, 1),
+ size: sz,
+ row: 0,
+ cells: vec![Cell::default(); c as usize * r as usize],
+ p: default(),
+ mode: Mode::Normal,
+
+ alternate: alt
+ .not()
+ .then(|| Terminal::new(sz, true))
+ .map(Box::new),
+ }
+ }
}
pub enum Mode {
Normal,
@@ -50,6 +74,9 @@ impl Terminal {
fn decrc(&mut self) {
self.cursor = self.saved_cursor;
}
+ fn clear(&mut self) {
+ // TODO
+ }
#[implicit_fn::implicit_fn]
pub fn rx(&mut self, x: u8) {
match self.p.parse_byte(x) {
@@ -229,7 +256,28 @@ impl Terminal {
) => {
self.decrc();
}
-
+ Control(ControlFunction {
+ start: b'[',
+ params: [Value(n)],
+ end: b'h' | b'l',
+ ..
+ }) => match n {
+ 2004 => {}
+ 1047 if let Some(mut alt) = self.alternate.take() => {
+ alt.clear();
+ std::mem::swap(self, &mut *alt);
+ self.alternate = Some(alt);
+ }
+ 1048 => self.decsc(),
+ 1049 if let Some(mut alt) = self.alternate.take() => {
+ alt.clear();
+ self.decsc();
+ std::mem::swap(self, &mut *alt);
+ self.decrc();
+ self.alternate = Some(alt);
+ }
+ _ => {}
+ },
Control(ControlFunction {
start: b'\x1b',
params: [],