1 files changed, 0 insertions, 289 deletions
diff --git a/src/tty/windows/conpty.rs b/src/tty/windows/conpty.rs
deleted file mode 100644
index f23d78a7..00000000
--- a/src/tty/windows/conpty.rs
+++ /dev/null
@@ -1,289 +0,0 @@
-// Copyright 2016 Joe Wilm, The Alacritty Project Contributors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-use super::{Pty, HANDLE};
-
-use std::i16;
-use std::io::Error;
-use std::mem;
-use std::os::windows::io::IntoRawHandle;
-use std::ptr;
-use std::sync::Arc;
-
-use dunce::canonicalize;
-use mio_anonymous_pipes::{EventedAnonRead, EventedAnonWrite};
-use miow;
-use widestring::U16CString;
-use winapi::shared::basetsd::{PSIZE_T, SIZE_T};
-use winapi::shared::minwindef::{BYTE, DWORD};
-use winapi::shared::ntdef::{HANDLE, HRESULT, LPWSTR};
-use winapi::shared::winerror::S_OK;
-use winapi::um::libloaderapi::{GetModuleHandleA, GetProcAddress};
-use winapi::um::processthreadsapi::{
-    CreateProcessW, InitializeProcThreadAttributeList, UpdateProcThreadAttribute,
-    PROCESS_INFORMATION, STARTUPINFOW,
-};
-use winapi::um::winbase::{EXTENDED_STARTUPINFO_PRESENT, STARTF_USESTDHANDLES, STARTUPINFOEXW};
-use winapi::um::wincontypes::{COORD, HPCON};
-
-use crate::cli::Options;
-use crate::config::{Config, Shell};
-use crate::display::OnResize;
-use crate::term::SizeInfo;
-
-/// Dynamically-loaded Pseudoconsole API from kernel32.dll
-///
-/// The field names are deliberately PascalCase as this matches
-/// the defined symbols in kernel32 and also is the convention
-/// that the `winapi` crate follows.
-#[allow(non_snake_case)]
-struct ConptyApi {
-    CreatePseudoConsole:
-        unsafe extern "system" fn(COORD, HANDLE, HANDLE, DWORD, *mut HPCON) -> HRESULT,
-    ResizePseudoConsole: unsafe extern "system" fn(HPCON, COORD) -> HRESULT,
-    ClosePseudoConsole: unsafe extern "system" fn(HPCON),
-}
-
-impl ConptyApi {
-    /// Load the API or None if it cannot be found.
-    pub fn new() -> Option<Self> {
-        // Unsafe because windows API calls
-        unsafe {
-            let hmodule = GetModuleHandleA("kernel32\0".as_ptr() as _);
-            assert!(!hmodule.is_null());
-
-            let cpc = GetProcAddress(hmodule, "CreatePseudoConsole\0".as_ptr() as _);
-            let rpc = GetProcAddress(hmodule, "ResizePseudoConsole\0".as_ptr() as _);
-            let clpc = GetProcAddress(hmodule, "ClosePseudoConsole\0".as_ptr() as _);
-
-            if cpc.is_null() || rpc.is_null() || clpc.is_null() {
-                None
-            } else {
-                Some(Self {
-                    CreatePseudoConsole: mem::transmute(cpc),
-                    ResizePseudoConsole: mem::transmute(rpc),
-                    ClosePseudoConsole: mem::transmute(clpc),
-                })
-            }
-        }
-    }
-}
-
-/// RAII Pseudoconsole
-pub struct Conpty {
-    pub handle: HPCON,
-    api: ConptyApi,
-}
-
-/// Handle can be cloned freely and moved between threads.
-pub type ConptyHandle = Arc<Conpty>;
-
-impl Drop for Conpty {
-    fn drop(&mut self) {
-        unsafe { (self.api.ClosePseudoConsole)(self.handle) }
-    }
-}
-
-// The Conpty API can be accessed from multiple threads.
-unsafe impl Send for Conpty {}
-unsafe impl Sync for Conpty {}
-
-pub fn new<'a>(
-    config: &Config,
-    options: &Options,
-    size: &SizeInfo,
-    _window_id: Option<usize>,
-) -> Option<Pty<'a>> {
-    if !config.enable_experimental_conpty_backend() {
-        return None;
-    }
-
-    let api = ConptyApi::new()?;
-
-    let mut pty_handle = 0 as HPCON;
-
-    // Passing 0 as the size parameter allows the "system default" buffer
-    // size to be used. There may be small performance and memory advantages
-    // to be gained by tuning this in the future, but it's likely a reasonable
-    // start point.
-    let (conout, conout_pty_handle) = miow::pipe::anonymous(0).unwrap();
-    let (conin_pty_handle, conin) = miow::pipe::anonymous(0).unwrap();
-
-    let coord =
-        coord_from_sizeinfo(size).expect("Overflow when creating initial size on pseudoconsole");
-
-    // Create the Pseudo Console, using the pipes
-    let result = unsafe {
-        (api.CreatePseudoConsole)(
-            coord,
-            conin_pty_handle.into_raw_handle(),
-            conout_pty_handle.into_raw_handle(),
-            0,
-            &mut pty_handle as *mut HPCON,
-        )
-    };
-
-    assert!(result == S_OK);
-
-    let mut success;
-
-    // Prepare child process startup info
-
-    let mut size: SIZE_T = 0;
-
-    let mut startup_info_ex: STARTUPINFOEXW = Default::default();
-
-    let title = options.title.as_ref().map(String::as_str).unwrap_or("Alacritty");
-    let title = U16CString::from_str(title).unwrap();
-    startup_info_ex.StartupInfo.lpTitle = title.as_ptr() as LPWSTR;
-
-    startup_info_ex.StartupInfo.cb = mem::size_of::<STARTUPINFOEXW>() as u32;
-
-    // Setting this flag but leaving all the handles as default (null) ensures the
-    // pty process does not inherit any handles from this Alacritty process.
-    startup_info_ex.StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
-
-    // Create the appropriately sized thread attribute list.
-    unsafe {
-        let failure =
-            InitializeProcThreadAttributeList(ptr::null_mut(), 1, 0, &mut size as PSIZE_T) > 0;
-
-        // This call was expected to return false.
-        if failure {
-            panic_shell_spawn();
-        }
-    }
-
-    let mut attr_list: Box<[BYTE]> = vec![0; size].into_boxed_slice();
-
-    // Set startup info's attribute list & initialize it
-    //
-    // Lint failure is spurious; it's because winapi's definition of PROC_THREAD_ATTRIBUTE_LIST
-    // implies it is one pointer in size (32 or 64 bits) but really this is just a dummy value.
-    // Casting a *mut u8 (pointer to 8 bit type) might therefore not be aligned correctly in
-    // the compiler's eyes.
-    #[allow(clippy::cast_ptr_alignment)]
-    {
-        startup_info_ex.lpAttributeList = attr_list.as_mut_ptr() as _;
-    }
-
-    unsafe {
-        success = InitializeProcThreadAttributeList(
-            startup_info_ex.lpAttributeList,
-            1,
-            0,
-            &mut size as PSIZE_T,
-        ) > 0;
-
-        if !success {
-            panic_shell_spawn();
-        }
-    }
-
-    // Set thread attribute list's Pseudo Console to the specified ConPTY
-    unsafe {
-        success = UpdateProcThreadAttribute(
-            startup_info_ex.lpAttributeList,
-            0,
-            22 | 0x0002_0000, // PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE
-            pty_handle,
-            mem::size_of::<HPCON>(),
-            ptr::null_mut(),
-            ptr::null_mut(),
-        ) > 0;
-
-        if !success {
-            panic_shell_spawn();
-        }
-    }
-
-    // Get process commandline
-    let default_shell = &Shell::new("powershell");
-    let shell = config.shell().unwrap_or(default_shell);
-    let initial_command = options.command().unwrap_or(shell);
-    let mut cmdline = initial_command.args().to_vec();
-    cmdline.insert(0, initial_command.program().into());
-
-    // Warning, here be borrow hell
-    let cwd = options.working_dir.as_ref().map(|dir| canonicalize(dir).unwrap());
-    let cwd = cwd.as_ref().map(|dir| dir.to_str().unwrap());
-
-    // Create the client application, using startup info containing ConPTY info
-    let cmdline = U16CString::from_str(&cmdline.join(" ")).unwrap();
-    let cwd = cwd.map(|s| U16CString::from_str(&s).unwrap());
-
-    let mut proc_info: PROCESS_INFORMATION = Default::default();
-    unsafe {
-        success = CreateProcessW(
-            ptr::null(),
-            cmdline.as_ptr() as LPWSTR,
-            ptr::null_mut(),
-            ptr::null_mut(),
-            false as i32,
-            EXTENDED_STARTUPINFO_PRESENT,
-            ptr::null_mut(),
-            cwd.as_ref().map_or_else(ptr::null, |s| s.as_ptr()),
-            &mut startup_info_ex.StartupInfo as *mut STARTUPINFOW,
-            &mut proc_info as *mut PROCESS_INFORMATION,
-        ) > 0;
-
-        if !success {
-            panic_shell_spawn();
-        }
-    }
-
-    // Store handle to console
-    unsafe {
-        HANDLE = proc_info.hProcess;
-    }
-
-    let conin = EventedAnonWrite::new(conin);
-    let conout = EventedAnonRead::new(conout);
-
-    let agent = Conpty { handle: pty_handle, api };
-
-    Some(Pty {
-        handle: super::PtyHandle::Conpty(ConptyHandle::new(agent)),
-        conout: super::EventedReadablePipe::Anonymous(conout),
-        conin: super::EventedWritablePipe::Anonymous(conin),
-        read_token: 0.into(),
-        write_token: 0.into(),
-    })
-}
-
-// Panic with the last os error as message
-fn panic_shell_spawn() {
-    panic!("Unable to spawn shell: {}", Error::last_os_error());
-}
-
-impl OnResize for ConptyHandle {
-    fn on_resize(&mut self, sizeinfo: &SizeInfo) {
-        if let Some(coord) = coord_from_sizeinfo(sizeinfo) {
-            let result = unsafe { (self.api.ResizePseudoConsole)(self.handle, coord) };
-            assert!(result == S_OK);
-        }
-    }
-}
-
-/// Helper to build a COORD from a SizeInfo, returing None in overflow cases.
-fn coord_from_sizeinfo(sizeinfo: &SizeInfo) -> Option<COORD> {
-    let cols = sizeinfo.cols().0;
-    let lines = sizeinfo.lines().0;
-
-    if cols <= i16::MAX as usize && lines <= i16::MAX as usize {
-        Some(COORD { X: sizeinfo.cols().0 as i16, Y: sizeinfo.lines().0 as i16 })
-    } else {
-        None
-    }
-}