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/***********************************************************************
* ftermopenbsd.cpp - Contains the NetBSD/OpenBSD terminal functions *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2018-2023 Markus Gans *
* *
* FINAL CUT is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include <memory>
#include "final/fapplication.h"
#include "final/output/tty/fterm.h"
#include "final/output/tty/ftermopenbsd.h"
#include "final/util/flog.h"
#include "final/util/fsystem.h"
#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(UNIT_TEST)
namespace finalcut
{
// static class attributes
kbd_t FTermOpenBSD::bsd_keyboard_encoding{0};
bool FTermOpenBSD::meta_sends_escape{true};
//----------------------------------------------------------------------
// class FTermOpenBSD
//----------------------------------------------------------------------
// public methods of FTermOpenBSD
//----------------------------------------------------------------------
auto FTermOpenBSD::getInstance() -> FTermOpenBSD&
{
static const auto& openbsd_console = std::make_unique<FTermOpenBSD>();
return *openbsd_console;
}
//----------------------------------------------------------------------
auto FTermOpenBSD::isBSDConsole() -> bool
{
// Check if it's a NetBSD/OpenBSD workstation console
static kbd_t kbdencoding{};
static const auto& fsystem = FSystem::getInstance();
return fsystem->ioctl(0, WSKBDIO_GETENCODING, &kbdencoding) == 0;
}
//----------------------------------------------------------------------
void FTermOpenBSD::init()
{
// Initialize BSD workstation console
if ( ! isBSDConsole() )
return;
if ( meta_sends_escape )
{
// Save current left alt key mapping
saveBSDConsoleEncoding();
// Alt key generate ESC prefix
setBSDConsoleMetaEsc();
}
}
//----------------------------------------------------------------------
void FTermOpenBSD::finish()
{
if ( ! isBSDConsole() )
return;
if ( meta_sends_escape )
resetBSDConsoleEncoding();
}
//----------------------------------------------------------------------
auto FTermOpenBSD::setBeep (int Hz, int ms) -> bool
{
if ( ! isBSDConsole() )
return false;
// Range for frequency: 21-32766
if ( Hz < 21 || Hz > 32766 )
return false;
// Range for duration: 0-1999
if ( ms < 0 || ms > 1999 )
return false;
wskbd_bell_data bell{};
bell.which = WSKBD_BELL_DOALL;
bell.pitch = uInt(Hz);
bell.period = uInt(ms);
bell.volume = 50; // 50% volume
static const auto& fsystem = FSystem::getInstance();
return fsystem->ioctl(0, WSKBDIO_SETBELL, &bell) >= 0;
}
//----------------------------------------------------------------------
auto FTermOpenBSD::resetBeep() -> bool
{
wskbd_bell_data default_bell{};
static const auto& fsystem = FSystem::getInstance();
// Gets the default setting for the bell
if ( fsystem->ioctl(0, WSKBDIO_GETDEFAULTBELL, &default_bell) < 0 )
return false;
default_bell.which = WSKBD_BELL_DOALL;
// Sets the bell settings
return fsystem->ioctl(0, WSKBDIO_SETBELL, &default_bell) >= 0;
}
// private methods of FTermOpenBSD
//----------------------------------------------------------------------
void FTermOpenBSD::warnNotInitialized()
{
std::clog << FLog::LogLevel::Warn
<< "The FTermOpenBSD object has "
<< "not yet been initialized! "
<< "Please call the init() method first."
<< std::endl;
}
//----------------------------------------------------------------------
auto FTermOpenBSD::saveBSDConsoleEncoding() -> bool
{
static kbd_t k_encoding{};
int ret{-1};
static const auto& fsystem = FSystem::getInstance();
ret = fsystem->ioctl (0, WSKBDIO_GETENCODING, &k_encoding);
if ( ret < 0 )
return false;
// Save current encoding
bsd_keyboard_encoding = k_encoding;
return true;
}
//----------------------------------------------------------------------
auto FTermOpenBSD::setBSDConsoleEncoding (kbd_t k_encoding) -> bool
{
static const auto& fsystem = FSystem::getInstance();
return fsystem->ioctl(0, WSKBDIO_SETENCODING, &k_encoding) >= 0;
}
//----------------------------------------------------------------------
auto FTermOpenBSD::setBSDConsoleMetaEsc() -> bool
{
static constexpr kbd_t meta_esc = 0x20; // Generate ESC prefix on ALT-key
return setBSDConsoleEncoding (bsd_keyboard_encoding | meta_esc);
}
//----------------------------------------------------------------------
auto FTermOpenBSD::resetBSDConsoleEncoding() -> bool
{
return setBSDConsoleEncoding (bsd_keyboard_encoding);
}
} // namespace finalcut
#endif // defined(__NetBSD__) || defined(__OpenBSD__) || defined(UNIT_TEST)
|
