Lots of changes

This commit is contained in:
2023-05-10 16:04:43 +02:00
parent 3997e6c45f
commit 2b180d9a95
11 changed files with 687 additions and 32 deletions

137
Cargo.lock generated
View File

@@ -65,6 +65,15 @@ dependencies = [
"libc",
]
[[package]]
name = "ansi_term"
version = "0.12.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
dependencies = [
"winapi",
]
[[package]]
name = "anyhow"
version = "1.0.71"
@@ -294,6 +303,17 @@ version = "1.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1181e1e0d1fce796a03db1ae795d67167da795f9cf4a39c37589e85ef57f26d3"
[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
dependencies = [
"hermit-abi 0.1.19",
"libc",
"winapi",
]
[[package]]
name = "autocfg"
version = "1.1.0"
@@ -439,6 +459,21 @@ dependencies = [
"generic-array",
]
[[package]]
name = "clap"
version = "2.34.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
dependencies = [
"ansi_term",
"atty",
"bitflags 1.3.2",
"strsim",
"textwrap",
"unicode-width",
"vec_map",
]
[[package]]
name = "codespan-reporting"
version = "0.11.1"
@@ -609,6 +644,7 @@ dependencies = [
"serde",
"serde_cbor",
"serde_json",
"structopt",
"tide",
"tide-websockets",
"tokio",
@@ -839,6 +875,24 @@ version = "1.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
[[package]]
name = "heck"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
dependencies = [
"unicode-segmentation",
]
[[package]]
name = "hermit-abi"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
dependencies = [
"libc",
]
[[package]]
name = "hermit-abi"
version = "0.3.1"
@@ -990,7 +1044,7 @@ version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c66c74d2ae7e79a5a8f7ac924adbe38ee42a859c6539ad869eb51f0b52dc220"
dependencies = [
"hermit-abi",
"hermit-abi 0.3.1",
"libc",
"windows-sys 0.48.0",
]
@@ -1019,6 +1073,12 @@ dependencies = [
"log",
]
[[package]]
name = "lazy_static"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "libc"
version = "0.2.143"
@@ -1183,6 +1243,30 @@ version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "proc-macro-error"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
dependencies = [
"proc-macro-error-attr",
"proc-macro2",
"quote",
"syn 1.0.109",
"version_check",
]
[[package]]
name = "proc-macro-error-attr"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
dependencies = [
"proc-macro2",
"quote",
"version_check",
]
[[package]]
name = "proc-macro-hack"
version = "0.5.20+deprecated"
@@ -1553,6 +1637,36 @@ version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
[[package]]
name = "strsim"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
[[package]]
name = "structopt"
version = "0.3.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
dependencies = [
"clap",
"lazy_static",
"structopt-derive",
]
[[package]]
name = "structopt-derive"
version = "0.4.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
dependencies = [
"heck",
"proc-macro-error",
"proc-macro2",
"quote",
"syn 1.0.109",
]
[[package]]
name = "subtle"
version = "2.5.0"
@@ -1599,6 +1713,15 @@ dependencies = [
"winapi-util",
]
[[package]]
name = "textwrap"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
dependencies = [
"unicode-width",
]
[[package]]
name = "thiserror"
version = "1.0.40"
@@ -1798,6 +1921,12 @@ dependencies = [
"tinyvec",
]
[[package]]
name = "unicode-segmentation"
version = "1.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
[[package]]
name = "unicode-width"
version = "0.1.10"
@@ -1846,6 +1975,12 @@ dependencies = [
"version_check",
]
[[package]]
name = "vec_map"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
[[package]]
name = "version_check"
version = "0.9.4"

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@@ -13,4 +13,7 @@ serde = { version = "1.0.162", features = ["derive"]}
serde_json = "1.0.96"
serde_cbor = "0.11.2"
anyhow = "1.0.71"
bitflags = "2.2.1"
bitflags = "2.2.1"
# deps for bins
structopt = "0.3.26"

View File

@@ -87,18 +87,22 @@ pub enum InitializeIndication {
Models(Vec<Model>),
/// Change in the state of the Operator Information Area
Oia(Oia),
/// List of supported proxies
Proxies(Vec<Proxy>),
/// Set of supported prefixes
Prefixes{value: String},
/// List of supported proxies
Proxies(Vec<Proxy>),
/// Screen dimensions/characteristics changed
ScreenMode(ScreenMode),
/// Setting changed
Setting(Setting),
/// Scroll thumb position
Thumb(Thumb),
/// Indicates build-time TLS config
TlsHello(TlsHello),
/// TLS state changed
Tls(Tls),
/// Trace file
TraceFile(TraceFile),
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]

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@@ -1,5 +1,5 @@
use serde::{Deserialize, Serialize};
use crate::b3270::types::GraphicRendition;
use crate::b3270::types::{Color, GraphicRendition};
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
#[serde(rename_all="kebab-case")]
@@ -69,7 +69,7 @@ pub enum ConnectionState {
ConnectedETn3270e,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone, Copy)]
#[serde(rename_all="kebab-case")]
pub struct Erase {
#[serde(default, skip_serializing_if="Option::is_none")]
@@ -147,18 +147,54 @@ pub enum OiaField {
value: bool,
},
/// Screen trace count
Screentrace {
ScreenTrace {
value: String,
},
/// Host command timer (minutes:seconds)
Script {
value: String,
},
Timing {
#[serde(default, skip_serializing_if="Option::is_none")]
value: Option<String>,
},
Typeahead {
value: bool,
}
},
}
#[derive(Copy, Clone, Debug, Eq, Ord, PartialOrd, PartialEq, Hash)]
pub enum OiaFieldName {
Compose,
Insert,
Lock,
Lu,
NotUndera,
PrinterSession,
ReverseInput,
ScreenTrace,
Script,
Timing,
Typeahead,
}
impl OiaField {
pub fn field_name(&self) -> OiaFieldName {
match self {
OiaField::Compose {..} => OiaFieldName::Compose,
OiaField::Insert {..} => OiaFieldName::Insert,
OiaField::Lock {..} => OiaFieldName::Lock,
OiaField::Lu {..} => OiaFieldName::Lu,
OiaField::NotUndera {..} => OiaFieldName::NotUndera,
OiaField::PrinterSession {..} => OiaFieldName::PrinterSession,
OiaField::ReverseInput {..} => OiaFieldName::ReverseInput,
OiaField::ScreenTrace {..} => OiaFieldName::ScreenTrace,
OiaField::Script {..} => OiaFieldName::Script,
OiaField::Timing {..} => OiaFieldName::Timing,
OiaField::Typeahead {..} => OiaFieldName::Typeahead,
}
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
pub struct Proxy {
pub name: String,
@@ -211,7 +247,7 @@ pub struct ConnectAttempt {
pub port: String,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone, Copy)]
// TODO: change this to an enum
pub struct Cursor {
pub enabled: bool,
@@ -342,27 +378,6 @@ pub struct Scroll {
pub bg: Option<Color>,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
#[serde(rename="camelCase")]
pub enum Color {
NeutralBlack,
Blue,
Red,
Pink,
Green,
Turquoise,
Yellow,
NeutralWhite,
Black,
DeepBlue,
Orange,
Purple,
PaleGreen,
PaleTurquoise,
Gray,
White,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
#[serde(rename="kebab-case")]
pub struct Stats {
@@ -412,3 +427,13 @@ pub struct UiError {
#[serde(default, skip_serializing_if="Option::is_none")]
pub column: Option<usize>,
}
#[cfg(test)]
mod test {
use super::*;
#[test]
pub fn connection_state_serializes_as_expected() {
assert_eq!(serde_json::to_string(&ConnectionState::ConnectedETn3270e).unwrap(),r#""connected-e-tn3270e""#);
assert_eq!(serde_json::to_string(&ConnectionState::ConnectedESscp).unwrap(),r#""connected-e-sscp""#);
}
}

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@@ -1,5 +1,7 @@
use serde::{Deserialize, Serialize};
// {"run":{"actions":[{"action":"Connect","args":["10.24.74.37:3270"]}]}}
// Operations
#[derive(Serialize, Deserialize, Debug, Hash, Eq, PartialEq, Clone)]
#[serde(rename_all="kebab-case")]

View File

@@ -17,6 +17,7 @@ bitflags! {
const PRIVATE_USE = 0x080;
const NO_COPY = 0x100;
const WRAP = 0x200;
}
}
@@ -113,4 +114,115 @@ mod test {
fn from_str_1() {
assert_eq!(GraphicRendition::from_str("underline,blink"), Ok(GraphicRendition::BLINK | GraphicRendition::UNDERLINE))
}
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
#[serde(rename="camelCase")]
#[repr(u8)]
pub enum Color {
NeutralBlack,
Blue,
Red,
Pink,
Green,
Turquoise,
Yellow,
NeutralWhite,
Black,
DeepBlue,
Orange,
Purple,
PaleGreen,
PaleTurquoise,
Gray,
White,
}
impl From<Color> for u8 {
fn from(value: Color) -> Self {
use Color::*;
match value {
NeutralBlack => 0,
Blue => 1,
Red => 2,
Pink => 3,
Green => 4,
Turquoise => 5,
Yellow => 6,
NeutralWhite => 7,
Black => 8,
DeepBlue => 9,
Orange => 10,
Purple => 11,
PaleGreen => 12,
PaleTurquoise => 13,
Gray => 14,
White => 15,
}
}
}
impl From<u8> for Color {
fn from(value: u8) -> Self {
use Color::*;
match value & 0xF {
0 => NeutralBlack,
1 => Blue,
2 => Red,
3 => Pink,
4 => Green,
5 => Turquoise,
6 => Yellow,
7 => NeutralWhite,
8 => Black,
9 => DeepBlue,
10 => Orange,
11 => Purple,
12 => PaleGreen,
13 => PaleTurquoise,
14 => Gray,
15 => White,
_ => unreachable!(),
}
}
}
pub trait PackedAttr {
fn c_gr(self) -> GraphicRendition;
fn c_fg(self) -> Color;
fn c_bg(self) -> Color;
fn c_setgr(self, gr: GraphicRendition) -> Self;
fn c_setfg(self, fg: Color) -> Self;
fn c_setbg(self, bg: Color) -> Self;
fn c_pack(fg: Color, bg: Color, gr: GraphicRendition) -> Self;
}
impl PackedAttr for u32 {
fn c_gr(self) -> GraphicRendition {
GraphicRendition::from_bits_truncate((self & 0xFFFF) as u16)
}
fn c_fg(self) -> Color {
((self >> 16 & 0xF) as u8).into()
}
fn c_bg(self) -> Color {
((self >> 20 & 0xF) as u8).into()
}
fn c_setgr(self, gr: GraphicRendition) -> Self {
self & !0xFFFF | gr.bits() as u32
}
fn c_setfg(self, fg: Color) -> Self {
self & !0xF0000 | (u8::from(fg) as u32) << 16
}
fn c_setbg(self, bg: Color) -> Self {
self & !0xF0000 | (u8::from(bg) as u32) << 20
}
fn c_pack(fg: Color, bg: Color, gr: GraphicRendition) -> Self {
0.c_setfg(fg).c_setbg(bg).c_setgr(gr)
}
}

3
src/bin/d3270c/main.rs Normal file
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@@ -0,0 +1,3 @@
fn main() {
eprintln!("Hello from d3270c");
}

49
src/bin/d3270d/main.rs Normal file
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@@ -0,0 +1,49 @@
use std::ffi::OsString;
use std::str::FromStr;
use anyhow::{anyhow, bail};
use structopt::StructOpt;
use d3270::tracker::Tracker;
#[tokio::main]
fn main() -> anyhow::Result<()> {
let mut subprocess_args = vec![
OsString::from_str("-json").unwrap(),
];
let mut args_iter = std::env::args_os().peekable();
let mut connect_str = None;
while let Some(arg) = args_iter.next() {
// we default to one of the ignored args
match arg.to_str().unwrap_or("-json") {
"-json" | "-xml" | "-indent" | "--" |
"-scriptportonce" | "-nowrapperdoc" |
"-socket" | "-v" | "--version" => {}
"-scriptport" | "-httpd" => {
args_iter.next();
}
"-connect" => {
connect_str = args_iter.next()
.ok_or_else(anyhow!("Arg required for -connect"))
.and_then(|arg| arg.into_string().map_err(|_| anyhow!("Invalid connect string")))
.map(Some)?;
}
"-e" => {
'skip: while let Some(arg) = args_iter.peek() {
if arg.to_str().unwrap_or("").starts_with("-") {
break 'skip;
}
args_iter.next();
}
}
_ => subprocess_args.push(arg),
}
}
let connect_str = connect_str.ok_or_else(||anyhow!("No connect string given"))?;
Ok(())
}
pub struct Subproc {
tracker: Tracker,
}

0
src/executor.rs Normal file
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@@ -1,2 +1,4 @@
pub mod b3270;
pub mod tracker;
pub mod executor;

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@@ -1,5 +1,325 @@
use std::collections::HashMap;
use crate::b3270::indication::{Change, Connection, ConnectionState, CountOrText, Cursor, Erase, Oia, OiaFieldName, Row, Screen, ScreenMode, Scroll, Setting, TerminalName, Thumb, Tls, TraceFile};
use crate::b3270::{Indication, InitializeIndication};
use crate::b3270::types::{Color, GraphicRendition, PackedAttr};
#[derive(Copy, Clone, Debug)]
struct CharCell {
pub ch: char,
pub attr: u32,
}
pub struct Tracker {
screen: Vec<Vec<CharCell>>,
oia: HashMap<OiaFieldName, Oia>,
screen_mode: ScreenMode,
erase: Erase,
thumb: Thumb,
settings: HashMap<String, Setting>,
// These are not init indications, but need to be tracked anyways
cursor: Cursor,
connection: Connection,
formatted: bool,
terminal_name: Option<TerminalName>,
trace_file: Option<String>,
tls: Option<Tls>,
// These never change, but need to be represented in an initialize message
static_init: Vec<InitializeIndication>,
}
#[derive(Clone, Debug)]
pub enum Disposition {
// Deliver this indication to every connected client
Broadcast,
// Ignore this message
Drop,
// Send this message to one particular client
Direct(String),
}
impl Tracker {
pub fn handle_indication(&mut self, indication: &mut Indication) -> Disposition {
match indication {
Indication::Bell { .. }
| Indication::ConnectAttempt(_)
| Indication::Flipped { .. }
| Indication::Font { .. }
| Indication::Icon { .. }
| Indication::Popup(_)
| Indication::Stats(_)
| Indication::WindowTitle { .. }
=> (),
Indication::Connection(conn) => {
self.connection = conn.clone();
}
Indication::Erase(erase) => {
self.erase.logical_cols = erase.logical_cols.or(self.erase.logical_cols);
self.erase.logical_rows = erase.logical_rows.or(self.erase.logical_rows);
self.erase.fg = erase.fg.or(self.erase.fg);
self.erase.bg = erase.bg.or(self.erase.bg);
let rows = self.erase.logical_rows.unwrap_or(self.screen_mode.rows) as usize;
let cols = self.erase.logical_cols.unwrap_or(self.screen_mode.cols) as usize;
self.screen = vec![
vec![CharCell{
attr: u32::c_pack(
erase.fg.unwrap_or(Color::NeutralBlack),
erase.bg.unwrap_or(Color::Blue),
GraphicRendition::empty(),
),
ch: ' ',
};cols]
; rows
]
}
Indication::Formatted { state } => {self.formatted = *state; }
Indication::Initialize(init) => {
let mut static_init = Vec::with_capacity(init.len());
for indicator in init.clone() {
match indicator {
InitializeIndication::CodePages(_) |
InitializeIndication::Hello(_) |
InitializeIndication::Models(_) |
InitializeIndication::Prefixes { .. } |
InitializeIndication::Proxies(_) |
InitializeIndication::TlsHello(_) |
InitializeIndication::Tls(_) |
InitializeIndication::TraceFile(_) =>
static_init.push(indicator),
// The rest are passed through to normal processing.
InitializeIndication::Thumb(thumb) => {
self.handle_indication(&mut Indication::Thumb(thumb));
},
InitializeIndication::Setting(setting) => {
self.handle_indication(&mut Indication::Setting(setting));
}
InitializeIndication::ScreenMode(mode) => {
self.handle_indication(&mut Indication::ScreenMode(mode));
},
InitializeIndication::Oia(oia) => {
self.handle_indication(&mut Indication::Oia(oia));
}
InitializeIndication::Erase(erase) => {
self.handle_indication(&mut Indication::Erase(erase));
}
InitializeIndication::Connection(conn) => {
self.handle_indication(&mut Indication::Connection(conn));
}
}
}
}
Indication::Oia(oia) => {
self.oia.insert(oia.field.field_name(), oia.clone());
}
Indication::Screen(screen) => {
if let Some(cursor) = screen.cursor {
self.cursor = cursor;
}
for row in screen.rows.iter() {
let row_idx = row.row as usize - 1;
for change in row.changes.iter() {
let col_idx = change.column as usize - 1;
// update screen contents
let cols = self.screen[row_idx].iter_mut().skip(col_idx);
match change.change {
CountOrText::Count(n) => {
cols.take(n).for_each(|cell| {
let mut attr = cell.attr;
if let Some(fg) = change.fg {
attr = attr.c_setfg(fg);
}
if let Some(bg) = change.bg {
attr = attr.c_setbg(bg);
}
if let Some(gr) = change.gr {
attr = attr.c_setgr(gr);
}
cell.attr = attr;
})
}
CountOrText::Text(ref text) => {
cols.zip(text.chars()).for_each(|(cell, ch)| {
let mut attr = cell.attr;
if let Some(fg) = change.fg {
attr = attr.c_setfg(fg);
}
if let Some(bg) = change.bg {
attr = attr.c_setbg(bg);
}
if let Some(gr) = change.gr {
attr = attr.c_setgr(gr);
}
cell.attr = attr;
cell.ch = ch;
});
}
}
}
}
}
Indication::ScreenMode(mode) => {
self.screen_mode = *mode;
self.handle_indication(&mut Indication::Erase(Erase{
logical_rows: Some(self.screen_mode.rows),
logical_cols: Some(self.screen_mode.cols),
fg: None,
bg: None,
}));
}
Indication::Scroll(Scroll{ fg, bg }) => {
let fg = fg.or(self.erase.fg).unwrap_or(Color::Blue);
let bg = bg.or(self.erase.bg).unwrap_or(Color::NeutralBlack);
let mut row = self.screen.remove(0);
row.fill(CharCell{
attr: u32::c_pack(fg, bg, GraphicRendition::empty()),
ch: ' ',
});
self.screen.push(row);
}
Indication::Setting(setting) => {
self.settings.insert(setting.name.clone(), setting.clone());
}
Indication::TerminalName(term) => {
self.terminal_name = Some(term.clone());
}
Indication::Thumb(thumb) => {
self.thumb = thumb.clone();
}
Indication::TraceFile(TraceFile{name}) => {
self.trace_file = name.clone();
}
Indication::Tls(tls) => {
self.tls = Some(tls.clone());
}
// These need direction
Indication::UiError(_) => {} // we can assume that this came from the last sent command
Indication::Passthru(_) => {} // dunno how to handle this one
Indication::FileTransfer(_) => {}
Indication::RunResult(_) => {}
}
return Disposition::Broadcast
}
pub fn get_init_indication(&self) -> Vec<Indication> {
let mut contents = self.static_init.clone();
contents.push(InitializeIndication::ScreenMode(self.screen_mode));
contents.push(InitializeIndication::Erase(self.erase));
contents.push(InitializeIndication::Thumb(self.thumb));
contents.extend(self.oia.values()
.cloned()
.map(InitializeIndication::Oia));
contents.extend(self.settings.values()
.cloned()
.map(InitializeIndication::Setting));
contents.extend(self.tls.clone().map(InitializeIndication::Tls));
// Construct a screen snapshot
let mut result = vec![
Indication::Initialize(contents),
Indication::Connection(self.connection.clone()),
Indication::Screen(self.screen_snapshot()),
Indication::Formatted {state: self.formatted},
];
if let Some(terminal_name) = self.terminal_name.clone() {
result.push(Indication::TerminalName(terminal_name));
}
if let Some(trace_file) = self.trace_file.clone() {
result.push(Indication::TraceFile(TraceFile {
name: Some(trace_file),
}))
}
result
}
fn format_row(mut row: &[CharCell]) -> Vec<Change> {
let mut result = vec![];
let mut column = 1;
while !row.is_empty() {
let cur_gr = row[0].attr;
let split_pt = row.iter().take_while(|ch| ch.attr == cur_gr).count();
let (first, rest) = row.split_at(split_pt);
row = rest;
let content = first.iter().map(|cell| cell.ch).collect();
result.push(Change{
column,
fg: Some(cur_gr.c_fg()),
bg: Some(cur_gr.c_bg()),
gr: Some(cur_gr.c_gr()),
change: CountOrText::Text(content),
});
column += first.len() as u8;
}
result
}
fn screen_snapshot(&self) -> Screen {
Screen{
cursor: Some(self.cursor),
rows: self.screen.iter()
.map(Vec::as_slice).map(Self::format_row)
.enumerate()
.map(|(row_id, changes)| Row{
row: row_id as u8 - 1,
changes,
})
.collect()
}
}
}
impl Default for Tracker {
fn default() -> Self {
let mut ret = Self {
screen: vec![],
oia: Default::default(),
screen_mode: ScreenMode {
cols: 80,
rows: 43,
color: true,
model: 4,
extended: true,
oversize: false,
},
erase: Erase {
logical_rows: None,
logical_cols: None,
fg: None,
bg: None,
},
thumb: Thumb {
top: 0.0,
shown: 0.0,
saved: 0,
screen: 0,
back: 0,
},
settings: Default::default(),
cursor: Cursor {
enabled: false,
row: None,
column: None
},
connection: Connection {
state: ConnectionState::NotConnected,
host: None,
cause: None,
},
formatted: false,
terminal_name: None,
trace_file: None,
tls: None,
static_init: vec![],
};
ret
}
}