#133 DECREQTPARM - needs cleanup

Cargo.lock

@@ -5135,6 +5135,7 @@ dependencies = [
  "unicode-segmentation",
  "unicode-width",
  "url",
+ "vtparse",
 ]
 
 [[package]]

term/Cargo.toml

@@ -30,6 +30,7 @@ terminfo = "0.7"
 unicode-segmentation = "1.7"
 unicode-width = "0.1"
 url = "2"
+vtparse = { version="0.5", path="../vtparse" }
 
 [dev-dependencies]
 pretty_assertions = "0.6"

term/src/terminalstate.rs

@@ -30,6 +30,8 @@ use termwiz::escape::{
 use termwiz::image::{ImageCell, ImageData, TextureCoordinate};
 use termwiz::surface::{CursorShape, CursorVisibility};
 use url::Url;
+// AZL - this is wrong
+use vtparse::CsiParam;
 
 lazy_static::lazy_static! {
     static ref DB: Database = {
@@ -1892,6 +1894,21 @@ impl TerminalState {
                 self.writer.write(ST.as_bytes()).ok();
                 self.writer.flush().ok();
             }
+            Device::RequestTerminalParameters(a) => {
+                self.writer
+                    .write(
+                        format!(
+                            "\x1b[{};1;1;128;128;1;0x",
+                            match a {
+                                CsiParam::Integer(0) => 2,
+                                _ => 3,
+                            }
+                        )
+                        .as_bytes(),
+                    )
+                    .ok();
+                self.writer.flush().ok();
+            }
             Device::StatusReport => {
                 self.writer.write(b"\x1b[0n").ok();
                 self.writer.flush().ok();

termwiz/src/escape/csi.rs

@@ -283,6 +283,7 @@ pub enum Device {
     /// https://github.com/mintty/mintty/issues/881
     /// https://gitlab.gnome.org/GNOME/vte/-/issues/235
     RequestTerminalNameAndVersion,
+    RequestTerminalParameters(CsiParam),
     XtSmGraphics(XtSmGraphics),
 }
 
@@ -302,6 +303,14 @@ impl Display for Device {
             Device::RequestSecondaryDeviceAttributes => write!(f, ">c")?,
             Device::RequestTertiaryDeviceAttributes => write!(f, "=c")?,
             Device::RequestTerminalNameAndVersion => write!(f, ">q")?,
+            Device::RequestTerminalParameters(attr) => write!(
+                f,
+                "{};1;1;128;128;1;0x",
+                match attr {
+                    CsiParam::Integer(0) => 2,
+                    _ => 3,
+                }
+            )?,
             Device::StatusReport => write!(f, "5n")?,
             Device::XtSmGraphics(g) => {
                 write!(f, "?{};{}", g.item, g.action_or_status)?;
@@ -1610,6 +1619,9 @@ impl<'a> CSIParser<'a> {
                 's' => self.decslrm(params),
                 't' => self.window(params).map(CSI::Window),
                 'u' => noparams!(Cursor, RestoreCursor, params),
+                'x' => self
+                    .req_terminal_parameters(params)
+                    .map(|dev| CSI::Device(Box::new(dev))),
 
                 _ => Err(()),
             },
@@ -1856,6 +1868,14 @@ impl<'a> CSIParser<'a> {
         }
     }
 
+    fn req_terminal_parameters(&mut self, params: &'a [CsiParam]) -> Result<Device, ()> {
+        if params == [CsiParam::Integer(0)] || params == [CsiParam::Integer(1)] {
+            Ok(Device::RequestTerminalParameters(params[0].clone()))
+        } else {
+            Err(())
+        }
+    }
+
     /// Parse extended mouse reports known as SGR 1006 mode
     fn mouse_sgr1006(&mut self, params: &'a [CsiParam]) -> Result<MouseReport, ()> {
         let (p0, p1, p2) = match params {