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consrv.hpp
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// Copyright (c) NetXS Group.
// Licensed under the MIT license.
#pragma once
#if defined(_WIN32)
template<class Term, class Arch>
struct impl;
struct consrv
{
fd_t condrv{ os::invalid_fd }; // consrv: Console driver handle.
fd_t refdrv{ os::invalid_fd }; // consrv: Console driver reference.
fd_t prochndl{ os::invalid_fd };
pidt proc_pid{};
std::thread waitexit; // consrv: The trailing thread for the child process.
virtual si32 wait() = 0;
virtual void undo(bool undo_redo) = 0;
virtual void start() = 0;
virtual void reset() = 0;
virtual fd_t watch() = 0;
virtual bool send(view utf8) = 0;
virtual void keybd(input::hids& gear, bool decckm) = 0;
virtual void mouse(input::hids& gear, bool moved, twod coord, input::mouse::prot encod, input::mouse::mode state) = 0;
virtual void paste(view block) = 0;
virtual void focus(bool state) = 0;
virtual void winsz(twod newsz) = 0;
virtual void style(si32 style) = 0;
virtual void sighup() = 0;
void cleanup(bool io_log)
{
if (waitexit.joinable())
{
if (io_log) log("%%Process waiter joining %%", prompt::vtty, utf::to_hex_0x(waitexit.get_id()));
waitexit.join();
}
}
template<class Term>
static auto create(Term& terminal)
{
auto inst = netxs::sptr<consrv>{};
if (nt::is_wow64()) inst = ptr::shared<impl<Term, ui64>>(terminal);
else inst = ptr::shared<impl<Term, arch>>(terminal);
return inst;
}
template<class Term, class Proc>
auto attach(Term& terminal, eccc cfg, Proc trailer, fdrw fdlink)
{
auto err_code = 0;
auto startinf = STARTUPINFOEXW{ sizeof(STARTUPINFOEXW) };
auto procsinf = PROCESS_INFORMATION{};
auto attrbuff = std::vector<byte>{};
auto attrsize = SIZE_T{ 0 };
condrv = nt::console::handle("\\Device\\ConDrv\\Server");
refdrv = nt::console::handle(condrv, "\\Reference");
auto success = nt::is_wow64() ? nt::ioctl(nt::console::op::set_server_information, condrv, (ui64)watch())
: nt::ioctl(nt::console::op::set_server_information, condrv, (arch)watch());
if (success != ERROR_SUCCESS)
{
os::close(condrv);
os::close(refdrv);
err_code = os::error();
os::fail(prompt::vtty, "Console server creation error");
return err_code;
}
start();
auto handle_count = 3;
if (fdlink)
{
handle_count = 2;
startinf.StartupInfo.hStdInput = fdlink->r;
startinf.StartupInfo.hStdOutput = fdlink->w;
}
else
{
startinf.StartupInfo.hStdInput = nt::console::handle(condrv, "\\Input", true); // Windows8's cmd.exe requires that handles.
startinf.StartupInfo.hStdOutput = nt::console::handle(condrv, "\\Output", true); //
startinf.StartupInfo.hStdError = nt::duplicate(startinf.StartupInfo.hStdOutput); //
}
startinf.StartupInfo.dwX = 0;
startinf.StartupInfo.dwY = 0;
startinf.StartupInfo.dwXCountChars = 0;
startinf.StartupInfo.dwYCountChars = 0;
startinf.StartupInfo.dwXSize = cfg.win.x;
startinf.StartupInfo.dwYSize = cfg.win.y;
startinf.StartupInfo.dwFillAttribute = 1;
startinf.StartupInfo.dwFlags = STARTF_USESTDHANDLES
| STARTF_USESIZE
| STARTF_USEPOSITION
| STARTF_USECOUNTCHARS
| STARTF_USEFILLATTRIBUTE;
::InitializeProcThreadAttributeList(nullptr, 2, 0, &attrsize);
attrbuff.resize(attrsize);
startinf.lpAttributeList = reinterpret_cast<LPPROC_THREAD_ATTRIBUTE_LIST>(attrbuff.data());
::InitializeProcThreadAttributeList(startinf.lpAttributeList, 2, 0, &attrsize);
::UpdateProcThreadAttribute(startinf.lpAttributeList,
0,
PROC_THREAD_ATTRIBUTE_HANDLE_LIST,
&startinf.StartupInfo.hStdInput,
sizeof(startinf.StartupInfo.hStdInput) * handle_count,
nullptr,
nullptr);
::UpdateProcThreadAttribute(startinf.lpAttributeList,
0,
ProcThreadAttributeValue(sizeof("Reference"), faux, true, faux),
&refdrv,
sizeof(refdrv),
nullptr,
nullptr);
auto wcmd = utf::to_utf(cfg.cmd);
auto wcwd = utf::to_utf(cfg.cwd);
auto wenv = utf::to_utf(os::env::add(cfg.env += "VTM=1\0"sv));
auto ret = ::CreateProcessW(nullptr, // lpApplicationName
wcmd.data(), // lpCommandLine
nullptr, // lpProcessAttributes
nullptr, // lpThreadAttributes
TRUE, // bInheritHandles
EXTENDED_STARTUPINFO_PRESENT | // dwCreationFlags (override startupInfo type)
CREATE_UNICODE_ENVIRONMENT, // Environment block in UTF-16.
wenv.data(), // lpEnvironment
wcwd.size() ? wcwd.c_str() // lpCurrentDirectory
: nullptr,
&startinf.StartupInfo, // lpStartupInfo (ptr to STARTUPINFOEX)
&procsinf); // lpProcessInformation
if (!fdlink)
{
os::close(startinf.StartupInfo.hStdInput);
os::close(startinf.StartupInfo.hStdOutput);
os::close(startinf.StartupInfo.hStdError);
}
if (ret == 0)
{
prochndl = { os::invalid_fd };
proc_pid = {};
err_code = os::error();
os::fail(prompt::vtty, "Process creation error");
wait();
}
else
{
os::close( procsinf.hThread );
prochndl = procsinf.hProcess;
proc_pid = procsinf.dwProcessId;
waitexit = std::thread{ [&, trailer]
{
auto pid = proc_pid; // MSVC don't capture it.
io::select(prochndl, [&terminal, pid]{ if (terminal.io_log) log("%%Process %pid% terminated", prompt::vtty, pid); });
trailer();
if (terminal.io_log) log("%%Process %pid% waiter ended", prompt::vtty, pid);
}};
}
return err_code;
}
};
template<class Term, class Arch>
struct impl : consrv
{
using consrv::condrv;
using consrv::refdrv;
static constexpr auto win32prompt = sizeof(Arch) == 4 ? netxs::prompt::nt32 : netxs::prompt::nt64;
//static constexpr auto isreal = requires(Term terminal) { terminal.decstr(); }; // MSVC bug: It doesn't see constexpr value everywehere, even constexpr functions inside lambdas.
static constexpr auto isreal()
{
return requires(Term terminal) { terminal.decstr(); };
}
struct cook
{
wide wstr{};
text ustr{};
view rest{};
ui32 ctrl{};
auto save(bool isutf16)
{
wstr.clear();
utf::to_utf(ustr, wstr);
if (isutf16) rest = { reinterpret_cast<char*>(wstr.data()), wstr.size() * 2 };
else rest = ustr;
}
auto drop()
{
ustr.clear();
wstr.clear();
rest = ustr;
}
};
struct memo
{
size_t seek{};
std::list<std::pair<si32, rich>> undo{};
std::list<std::pair<si32, rich>> redo{};
std::vector<rich> data{};
rich idle{};
auto save(para& line)
{
auto& content = line.content();
if (undo.empty() || !content.same(undo.back().second))
{
undo.emplace_back(line.caret, content);
redo.clear();
}
}
auto swap(para& line, bool back)
{
if (back) std::swap(undo, redo);
if (undo.size())
{
auto& content = line.content();
while (undo.size() && content.same(undo.back().second)) undo.pop_back();
if (undo.size())
{
redo.emplace_back(line.caret, content);
line.content(undo.back().second);
line.caret = undo.back().first;
undo.pop_back();
}
}
if (back) std::swap(undo, redo);
}
auto done(para& line)
{
auto& new_data = line.content();
if (new_data.size().x // Don't save space prefixed commands in history.
&& !new_data.peek(dot_00).isspc()
&& (data.empty() || data.back() != new_data))
{
data.push_back(new_data);
seek = data.size() - 1;
}
undo.clear();
redo.clear();
}
auto& fallback() const
{
if (data.size()) return data[seek];
else return idle;
}
auto roll()
{
if (data.size())
{
if (seek == 0) seek = data.size() - 1;
else seek--;
}
}
auto find(para& line)
{
if (data.empty()) return faux;
auto stop = seek;
auto size = line.caret;
while (!line.substr(0, size).same(data[seek].substr(0, size))
|| line.content() .same(data[seek]))
{
roll();
if (seek == stop) return faux;
}
save(line);
line.content() = data[seek];
line.caret = size;
line.caret_check();
return true;
}
auto deal(para& line, size_t i)
{
if (i < data.size())
{
save(line);
line.content(data[seek = i]);
}
}
auto prev(para& line) { if (seek > 0 && line.content().same(data[seek])) roll();
deal(line, seek ); }
auto pgup(para& line) { deal(line, 0 ); }
auto next(para& line) { deal(line, seek + 1 ); }
auto pgdn(para& line) { deal(line, data.size() - 1); }
};
struct clnt
{
struct hndl
{
enum type
{
unused,
events,
scroll,
altbuf,
};
clnt& boss;
ui32& mode;
type kind;
void* link;
text toUTF8;
text toANSI;
wide toWIDE;
hndl(clnt& boss, ui32& mode, type kind, void* link)
: boss{ boss },
mode{ mode },
kind{ kind },
link{ link }
{ }
friend auto& operator << (std::ostream& s, hndl const& h)
{
if (h.kind == hndl::type::events)
{
s << "events(" << h.mode << ") 0";
if (h.mode & nt::console::inmode::echo ) s << " | ECHO";
if (h.mode & nt::console::inmode::insert ) s << " | INSERT";
if (h.mode & nt::console::inmode::cooked ) s << " | COOKED_READ";
if (h.mode & nt::console::inmode::mouse ) s << " | MOUSE_INPUT";
if (h.mode & nt::console::inmode::preprocess) s << " | PROCESSED_INPUT";
if (h.mode & nt::console::inmode::quickedit ) s << " | QUICK_EDIT";
if (h.mode & nt::console::inmode::winsize ) s << " | WINSIZE";
if (h.mode & nt::console::inmode::vt ) s << " | VIRTUAL_TERMINAL_INPUT";
}
else
{
s << "scroll(" << h.mode << ") 0";
if (h.mode & nt::console::outmode::preprocess ) s << " | PROCESSED_OUTPUT";
if (h.mode & nt::console::outmode::wrap_at_eol) s << " | WRAP_AT_EOL";
if (h.mode & nt::console::outmode::vt ) s << " | VIRTUAL_TERMINAL_PROCESSING";
if (h.mode & nt::console::outmode::no_auto_cr ) s << " | NO_AUTO_CR";
if (h.mode & nt::console::outmode::lvb_grid ) s << " | LVB_GRID_WORLDWIDE";
}
return s;
}
};
struct info
{
ui32 iconid{};
ui32 hotkey{};
ui32 config{};
ui16 colors{};
ui16 format{};
twod scroll{};
rect window{};
bool cliapp{};
bool expose{};
text header{};
text curexe{};
text curdir{};
};
using list = std::list<hndl>;
using bufs = std::list<decltype(Term::altbuf)>;
list tokens; // clnt: Taked handles.
Arch procid; // clnt: Process id.
Arch thread; // clnt: Process thread id.
ui32 pgroup; // clnt: Process group id.
info detail; // clnt: Process details.
cell backup; // clnt: Text attributes to restore on detach.
bufs alters; // clnt: Additional scrollback buffers.
};
using hndl = clnt::hndl;
struct tsid
{
ui32 lo;
ui32 hi;
};
struct base
{
tsid taskid;
Arch client; // clnt*
Arch target; // hndl*
ui32 fxtype;
ui32 packsz;
ui32 echosz;
ui32 pad__1;
};
struct task : base
{
ui32 callfx;
ui32 arglen;
byte argbuf[88 + sizeof(Arch)]; // x64:=96 x32:=92
};
template<class Payload>
struct wrap
{
template<class T>
static auto& cast(T& buffer)
{
static_assert(sizeof(T) >= sizeof(Payload));
return *reinterpret_cast<Payload*>(&buffer);
}
template<class T>
static auto& cast(T* buffer)
{
static_assert(sizeof(T) >= sizeof(Payload));
return *reinterpret_cast<Payload*>(buffer);
}
static auto& cast(text& buffer)
{
buffer.resize(sizeof(Payload));
return *reinterpret_cast<Payload*>(buffer.data());
}
static auto cast(text& buffer, size_t count)
{
buffer.resize(sizeof(Payload) * count);
return std::span{ reinterpret_cast<Payload*>(buffer.data()), count };
}
};
template<class Payload>
struct drvpacket : base, wrap<Payload>
{
ui32 callfx;
ui32 arglen;
};
struct cdrw
{
using stat = NTSTATUS;
struct order
{
tsid taskid;
Arch buffer; // void*
ui32 length;
ui32 offset;
};
tsid taskid;
stat status;
Arch report;
Arch buffer; // void*
ui32 length;
ui32 offset;
auto readoffset() const { return static_cast<ui32>(length ? length + sizeof(ui32) * 2 /*sizeof(drvpacket payload)*/ : 0); }
auto sendoffset() const { return length; }
template<class T>
auto recv_data(fd_t condrv, T&& buffer)
{
auto request = order
{
.taskid = taskid,
.buffer = (Arch)buffer.data(),
.length = static_cast<decltype(order::length)>(buffer.size() * sizeof(buffer.front())),
.offset = readoffset(),
};
auto rc = nt::ioctl(nt::console::op::read_input, condrv, request);
if (rc != ERROR_SUCCESS)
{
if constexpr (debugmode) log("\tAbort reading input (condrv, request) rc=", rc);
status = nt::status::unsuccessful;
return faux;
}
return true;
}
template<bool Complete = faux, class T>
auto send_data(fd_t condrv, T&& buffer, bool inc_nul_terminator = faux)
{
auto result = order
{
.taskid = taskid,
.buffer = (Arch)buffer.data(),
.length = static_cast<decltype(order::length)>((buffer.size() + inc_nul_terminator) * sizeof(buffer.front())),
.offset = sendoffset(),
};
auto rc = nt::ioctl(nt::console::op::write_output, condrv, result);
if (rc != ERROR_SUCCESS)
{
if constexpr (debugmode) log("\tnt::console::op::write_output()", os::unexpected, " ", utf::to_hex(rc));
status = nt::status::unsuccessful;
result.length = 0;
}
report = result.length;
if constexpr (Complete) //Note: Be sure that packet.reply.bytes or count is set.
{
nt::ioctl(nt::console::op::complete_io, condrv, *this);
}
}
auto interrupt(fd_t condrv_handle)
{
status = nt::status::invalid_handle;
nt::ioctl(nt::console::op::complete_io, condrv_handle, *this);
if constexpr (debugmode) log("\tPending operation aborted");
}
};
struct evnt
{
using jobs = generics::jobs<std::tuple<cdrw, Arch /*(hndl*)*/, bool>>;
using lock = std::recursive_mutex;
using sync = std::condition_variable_any;
using vect = std::vector<INPUT_RECORD>;
using irec = INPUT_RECORD;
using work = std::thread;
using cast = std::unordered_map<text, std::unordered_map<text, text>>;
using hist = std::unordered_map<text, memo>;
using mbtn = netxs::input::mouse::hist;
impl& server; // evnt: Console server reference.
vect stream; // evnt: Input event list.
vect recbuf; // evnt: Temporary buffer for copying event records.
sync signal; // evnt: Input event append signal.
lock locker; // evnt: Input event buffer mutex.
cook cooked; // evnt: Cooked input string.
jobs worker; // evnt: Background task executer.
flag closed; // evnt: Console server was shutdown.
fire ondata; // evnt: Signal on input buffer data.
wide wcpair; // evnt: Surrogate pair buffer.
wide toWIDE; // evnt: UTF-16 decoder buffer.
text toUTF8; // evnt: UTF-8 decoder buffer.
text toANSI; // evnt: ANSI decoder buffer.
irec leader; // evnt: Hanging key event record (lead byte).
work ostask; // evnt: Console task thread for the child process.
bool ctrl_c; // evnt: Ctrl+C was pressed.
cast macros; // evnt: Doskey macros storage.
hist inputs; // evnt: Input history per process name storage.
mbtn dclick; // evnt: Mouse double-click tracker.
si32 mstate; // evnt: Mouse button last state.
evnt(impl& serv)
: server{ serv },
closed{ faux },
leader{ },
ctrl_c{ faux },
mstate{ }
{ }
auto& ref_history(text& exe)
{
return inputs[utf::to_low(exe)];
}
auto get_history(text& exe)
{
auto lock = std::lock_guard{ locker };
auto crop = text{};
auto iter = inputs.find(utf::to_low(exe));
if (iter != inputs.end())
{
auto& recs = iter->second;
for (auto& rec : recs.data)
{
crop += rec.utf8();
crop += '\0';
}
}
return crop;
}
void off_history(text& exe)
{
auto lock = std::lock_guard{ locker };
auto iter = inputs.find(utf::to_low(exe));
if (iter != inputs.end()) inputs.erase(iter);
}
void add_alias(text& exe, text& src, text& dst)
{
auto lock = std::lock_guard{ locker };
if (exe.size() && src.size())
{
utf::to_low(exe);
utf::to_low(src);
if (dst.size())
{
macros[exe][src] = dst;
}
else
{
if (auto exe_iter = macros.find(exe); exe_iter != macros.end())
{
auto& src_map = exe_iter->second;
if (auto src_iter = src_map.find(src); src_iter != src_map.end())
{
src_map.erase(src_iter);
}
if (src_map.empty())
{
macros.erase(exe_iter);
}
}
}
}
}
auto get_alias(text& exe, text& src)
{
auto lock = std::lock_guard{ locker };
auto crop = text{};
if (exe.size() && src.size())
{
utf::to_low(exe);
utf::to_low(src);
if (auto exe_iter = macros.find(exe); exe_iter != macros.end())
{
auto& src_map = exe_iter->second;
if (auto src_iter = src_map.find(src); src_iter != src_map.end())
{
crop = src_iter->second;
}
}
}
return crop;
}
auto get_exes()
{
auto lock = std::lock_guard{ locker };
auto crop = text{};
for (auto& [exe, map] : macros)
{
crop += exe;
crop += '\0';
}
return crop;
}
auto get_aliases(text& exe)
{
auto lock = std::lock_guard{ locker };
auto crop = text{};
utf::to_low(exe);
if (auto exe_iter = macros.find(exe); exe_iter != macros.end())
{
auto& src_map = exe_iter->second;
for (auto& [key, val] : src_map)
{
crop += key;
crop += '=';
crop += val;
crop += '\0';
}
}
return crop;
}
void map_cd_shim(text& exe, text& line)
{
static constexpr auto cd_prefix = "cd "sv;
static constexpr auto cd_forced = "cd/d ";
auto shadow = qiew{ line };
utf::trim_front(shadow);
if (exe.starts_with("cmd")
&& shadow.size() > cd_prefix.size()
&& shadow.back() != '\t')
{
auto prefix = shadow.substr(0, 3).str();
utf::to_low(prefix);
if (prefix != cd_prefix) return;
auto crop = shadow.substr(cd_prefix.size());
auto path = crop;
utf::trim_front(path, " \t\r\n");
if (path && path.front() != '/')
{
line = cd_forced + crop.str();
}
}
}
void map_aliases(text& exe, text& line)
{
if (macros.empty() || line.empty()) return;
utf::to_low(exe);
auto exe_iter = macros.find(exe);
if (exe_iter == macros.end()) return;
auto& src_map = exe_iter->second;
if (src_map.empty()) return;
auto rest = qiew{ line };
auto crop = utf::get_tail<faux>(rest, " \r\n");
auto iter = src_map.find(utf::to_low(crop));
if (iter == src_map.end()) return;
auto tail = utf::trim_back(rest, "\r\n");
auto args = utf::split<true>(rest, ' ');
auto data = qiew{ iter->second };
auto result = text{};
while (data)
{
result += utf::get_tail<faux>(data, "$");
if (data.size() >= 2)
{
auto s = utf::pop_front(data, 2);
auto c = utf::to_low(s.back());
if (c >= '1' && c <= '9')
{
auto n = static_cast<ui32>(c - '1');
if (args.size() > n) result += args[n];
}
else switch (c)
{
case '$': result += '$'; break;
case 'g': result += '>'; break;
case 'l': result += '<'; break;
case 't': result += '&'; break;
case 'b': result += '|'; break;
case '*': result += rest; break;
default: result += s; break;
}
}
}
result += tail;
line = result;
}
auto off_aliases(text& exe)
{
auto lock = std::lock_guard{ locker };
utf::to_low(exe);
if (auto exe_iter = macros.find(exe); exe_iter != macros.end())
{
macros.erase(exe_iter);
}
}
void reset()
{
auto lock = std::lock_guard{ locker };
closed.exchange(faux);
stream.clear();
ondata.flush();
}
auto count()
{
auto lock = std::lock_guard{ locker };
return static_cast<ui32>(stream.size());
}
void abort(hndl* handle_ptr)
{
auto target_ref = (Arch)handle_ptr;
auto lock = std::lock_guard{ locker };
worker.cancel([&](auto& token)
{
auto& answer = std::get<0>(token);
auto& target = std::get<1>(token);
auto& cancel = std::get<2>(token);
if (target == target_ref)
{
cancel = true;
answer.interrupt(server.condrv);
}
});
signal.notify_all();
}
void alert(ui32 what, ui32 pgroup = 0)
{
static auto index = 0;
if (server.io_log) log(server.prompt, "ConsoleTask event index ", ++index);
if (ostask.joinable()) ostask.join();
ostask = std::thread{ [what, pgroup, io_log = server.io_log, joined = server.joined, prompt = escx{ server.prompt }]() mutable
{
if (io_log) prompt.add(what == os::signals::ctrl_c ? "Ctrl+C"
: what == os::signals::ctrl_break ? "Ctrl+Break"
: what == os::signals::close ? "Ctrl Close"
: what == os::signals::logoff ? "Ctrl Logoff"
: what == os::signals::shutdown ? "Ctrl Shutdown"
: "Unknown", " event index ", index);
for (auto& client : joined)
{
if (!pgroup || pgroup == client.pgroup)
{
auto stat = nt::ConsoleTask<Arch>(client.procid, what);
if (io_log) prompt.add("\n\tclient process ", client.procid, ", control status ", utf::to_hex_0x(stat));
}
}
if (io_log) log("", prompt, "\n\t-------------------------");
}};
}
void sighup()
{
auto lock = std::lock_guard{ locker };
alert(CTRL_CLOSE_EVENT);
}
void stop()
{
if (ostask.joinable()) ostask.join();
auto lock = std::unique_lock{ locker };
closed.exchange(true);
signal.notify_all();
}
void clear()
{
auto lock = std::lock_guard{ locker };
ondata.flush();
stream.clear();
recbuf.clear();
cooked.drop();
}
auto generate(wchr ch, si32 st = 0, si32 vc = 0, si32 dn = 1, si32 sc = 0)
{
stream.emplace_back(INPUT_RECORD
{
.EventType = KEY_EVENT,
.Event =
{
.KeyEvent =
{
.bKeyDown = dn,
.wRepeatCount = 1,
.wVirtualKeyCode = (ui16)vc,
.wVirtualScanCode = (ui16)sc,
.uChar = { .UnicodeChar = ch },
.dwControlKeyState = (ui32)st,
}
}
});
return true;
}
auto generate(wchr c1, wchr c2)
{
generate(c1);
generate(c2);
return true;
}
auto generate(wiew wstr, si32 s = 0)
{
stream.reserve(wstr.size());
auto head = wstr.begin();
auto tail = wstr.end();
//auto noni = server.inpmod & nt::console::inmode::preprocess; // `-NonInteractive` powershell mode.
while (head != tail)
{
auto c = *head++;
if (c == '\r')
{
if (head != tail && *head == '\n') head++; // Eat CR+LF.
generate('\r', s, VK_RETURN, 1, 0x1c); // Emulate Enter.
// Far Manager treats Shift+Enter as its own macro not a soft break.
//if (noni) generate('\n', s);
//else generate('\r', s | SHIFT_PRESSED, VK_RETURN, 1, 0x1c /*os::nt::takevkey<VK_RETURN>().key*/); // Emulate hitting Enter. Pressed Shift to soft line break when pasting from clipboard.
}
else if (c == '\n')
{
if (head != tail && *head == '\r') head++; // Eat LF+CR.
generate('\n', s | LEFT_CTRL_PRESSED, VK_RETURN, 1, 0x1c); // Emulate Shift+Enter.
}
else
{
generate(c, s);
}
}
return true;
}
auto generate(view ustr)
{
toWIDE.clear();
utf::to_utf(ustr, toWIDE);
return generate(toWIDE);
}
void paste(view block)
{
auto lock = std::lock_guard{ locker };
if (server.inpmod & nt::console::inmode::vt && server.uiterm.bpmode) // Paste binary immutable block.
{
auto keys = INPUT_RECORD{ .EventType = KEY_EVENT, .Event = { .KeyEvent = { .bKeyDown = 1, .wRepeatCount = 1 }}};
toWIDE.clear();
utf::to_utf(ansi::paste_begin, toWIDE);
utf::to_utf(block, toWIDE);
utf::to_utf(ansi::paste_end, toWIDE);
for (auto c : toWIDE)
{
keys.Event.KeyEvent.uChar.UnicodeChar = c;
stream.emplace_back(keys);
}
}
else
{
generate(block);
}
signal.notify_one();
ondata.reset();
return;
//todo pwsh is not yet ready for block-pasting (VK_RETURN conversion is required)
//auto data = INPUT_RECORD{ .EventType = MENU_EVENT };
//auto keys = INPUT_RECORD{ .EventType = KEY_EVENT, .Event = { .KeyEvent = { .bKeyDown = 1, .wRepeatCount = 1 }}};
//toWIDE.clear();
//utf::to_utf(block, toWIDE);
//stream.reserve(stream.size() + toWIDE.size() + 2);
//data.Event.MenuEvent.dwCommandId = nt::console::event::custom | nt::console::event::paste_begin;
//stream.emplace_back(data);
//for (auto c : toWIDE)
//{
// keys.Event.KeyEvent.uChar.UnicodeChar = c;
// stream.emplace_back(keys);
//}
//data.Event.MenuEvent.dwCommandId = nt::console::event::custom | nt::console::event::paste_end;
//stream.emplace_back(data);
//ondata.reset();
//signal.notify_one();
}
auto write(view ustr)
{
auto lock = std::lock_guard{ locker };
generate(ustr);
if (!stream.empty())
{
ondata.reset();
signal.notify_one();
}
}
void focus(bool state)
{
auto lock = std::lock_guard{ locker };
auto data = INPUT_RECORD{ .EventType = FOCUS_EVENT };
data.Event.FocusEvent.bSetFocus = state;
stream.emplace_back(data);
ondata.reset();
signal.notify_one();
}
void style(si32 format)
{
auto lock = std::lock_guard{ locker };
auto data = INPUT_RECORD{ .EventType = MENU_EVENT };
data.Event.MenuEvent.dwCommandId = nt::console::event::custom | nt::console::event::style;
stream.emplace_back(data);
data.Event.MenuEvent.dwCommandId = nt::console::event::custom | format;
stream.emplace_back(data);
ondata.reset();
signal.notify_one();
}
void mouse(input::hids& gear, bool moved, twod coord)
{
auto state = os::nt::ms_kbstate(gear.ctlstate);
auto bttns = gear.m_sys.buttons & 0b00011111;
auto flags = ui32{};
if (moved) flags |= MOUSE_MOVED;
for (auto i = 0_sz; i < dclick.size(); i++)
{
auto prvbtn = mstate & (1 << i);
auto sysbtn = bttns & (1 << i);
if (prvbtn != sysbtn && sysbtn) // MS UX guidelines recommend signaling a double-click when the button is pressed twice rather than when it is released twice.
{
auto& s = dclick[i];
auto fired = gear.m_sys.timecod;
if (fired - s.fired < gear.delay && s.coord == coord) // Set the double-click flag if the delay has not expired and the mouse is in the same position.
{
flags |= DOUBLE_CLICK;
s.fired = {};
}
else
{
s.fired = fired;
s.coord = coord;
}
}
}
mstate = bttns;
if (gear.m_sys.wheeldt)
{
if (gear.m_sys.wheeled) flags |= MOUSE_WHEELED;
else if (gear.m_sys.hzwheel) flags |= MOUSE_HWHEELED;
bttns |= gear.m_sys.wheeldt << 16;
}
auto lock = std::lock_guard{ locker };
stream.emplace_back(INPUT_RECORD
{
.EventType = MOUSE_EVENT,
.Event =
{
.MouseEvent =
{
.dwMousePosition =
{
.X = (si16)std::clamp<si32>(coord.x, 0, si16max),
.Y = (si16)std::clamp<si32>(coord.y, 0, si16max),
},
.dwButtonState = (DWORD)bttns,
.dwControlKeyState = state,
.dwEventFlags = flags,
}
}
});
ondata.reset();
signal.notify_one();
}
void winsz(twod winsize)
{
auto lock = std::lock_guard{ locker };
stream.emplace_back(INPUT_RECORD // Ignore ENABLE_WINDOW_INPUT - we only signal a viewport change.
{
.EventType = WINDOW_BUFFER_SIZE_EVENT,
.Event =
{
.WindowBufferSizeEvent =
{
.dwSize =
{
.X = (si16)std::min<si32>(winsize.x, si16max),
.Y = (si16)std::min<si32>(winsize.y, si16max),
}
}
}
});
ondata.reset();
signal.notify_one();
}
template<char C>