131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
/***********************************************************************
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* ftermopenbsd.cpp - Contains the NetBSD/OpenBSD terminal functions *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2018 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include "final/ftermopenbsd.h"
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// static class attributes
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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kbd_t FTermOpenBSD::bsd_keyboard_encoding = 0;
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bool FTermOpenBSD::meta_sends_escape = true;
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#endif
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namespace finalcut
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{
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//----------------------------------------------------------------------
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// class FTermOpenBSD
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//----------------------------------------------------------------------
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// constructors and destructor
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//----------------------------------------------------------------------
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FTermOpenBSD::FTermOpenBSD()
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{ }
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//----------------------------------------------------------------------
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FTermOpenBSD::~FTermOpenBSD() // destructor
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{ }
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// public methods of FTermOpenBSD
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//----------------------------------------------------------------------
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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bool FTermOpenBSD::isBSDConsole()
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{
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// Check if it's a NetBSD/OpenBSD workstation console
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static kbd_t kbdencoding;
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if ( ioctl(0, WSKBDIO_GETENCODING, &kbdencoding) == 0 )
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return true;
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else
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return false;
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}
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//----------------------------------------------------------------------
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void FTermOpenBSD::init()
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{
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// initialize BSD workstation console
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if ( ! isBSDConsole() )
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return;
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if ( meta_sends_escape )
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{
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// save current left alt key mapping
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saveBSDConsoleEncoding();
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// alt key generate ESC prefix
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setBSDConsoleMetaEsc();
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}
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}
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//----------------------------------------------------------------------
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void FTermOpenBSD::finish()
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{
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if ( ! isBSDConsole() )
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return;
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if ( meta_sends_escape )
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resetBSDConsoleEncoding();
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}
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// private methods of FTermOpenBSD
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//----------------------------------------------------------------------
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bool FTermOpenBSD::saveBSDConsoleEncoding()
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{
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static kbd_t k_encoding;
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int ret = ioctl(0, WSKBDIO_GETENCODING, &k_encoding);
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if ( ret < 0 )
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return false;
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// save current encoding
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bsd_keyboard_encoding = k_encoding;
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return true;
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}
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//----------------------------------------------------------------------
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bool FTermOpenBSD::setBSDConsoleEncoding (kbd_t k_encoding)
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{
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if ( ioctl(0, WSKBDIO_SETENCODING, &k_encoding) < 0 )
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return false;
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else
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return true;
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}
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//----------------------------------------------------------------------
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bool FTermOpenBSD::setBSDConsoleMetaEsc()
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{
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static const kbd_t meta_esc = 0x20; // generate ESC prefix on ALT-key
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return setBSDConsoleEncoding (bsd_keyboard_encoding | meta_esc);
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}
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//----------------------------------------------------------------------
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bool FTermOpenBSD::resetBSDConsoleEncoding()
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{
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return setBSDConsoleEncoding (bsd_keyboard_encoding);
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}
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#endif // defined(__NetBSD__) || defined(__OpenBSD__)
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} // namespace finalcut
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