1306 lines
33 KiB
C++
1306 lines
33 KiB
C++
/***********************************************************************
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* ftermlinux.cpp - Contains the Linux 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 2018-2019 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/fc.h"
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#include "final/fcharmap.h"
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#include "final/fsystem.h"
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#include "final/fterm.h"
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#include "final/ftermcap.h"
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#include "final/ftermdetection.h"
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#include "final/ftermlinux.h"
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#include "final/ftypes.h"
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#if defined(__linux__)
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#include <linux/keyboard.h> // need keyboard modifiers
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#include "../fonts/newfont.h"
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#include "../fonts/unicodemap.h"
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#include "../fonts/vgafont.h"
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#endif
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namespace finalcut
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{
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// static class attributes
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#if defined(__linux__)
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FTermLinux::modifier_key FTermLinux::mod_key;
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console_font_op FTermLinux::screen_font;
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unimapdesc FTermLinux::screen_unicode_map;
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bool FTermLinux::new_font;
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bool FTermLinux::vga_font;
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bool FTermLinux::has_saved_palette = false;
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FTermData* FTermLinux::fterm_data = nullptr;
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FSystem* FTermLinux::fsystem = nullptr;
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FTermDetection* FTermLinux::term_detection = nullptr;
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fc::linuxConsoleCursorStyle FTermLinux::linux_console_cursor_style;
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FTermLinux::ColorMap FTermLinux::saved_color_map{};
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FTermLinux::ColorMap FTermLinux::cmap{};
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int FTermLinux::framebuffer_bpp = -1;
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#endif // defined(__linux__)
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//----------------------------------------------------------------------
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// class FTermLinux
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//----------------------------------------------------------------------
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// constructors and destructor
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//----------------------------------------------------------------------
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FTermLinux::~FTermLinux() // destructor
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{
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#if defined(__linux__)
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if ( screen_font.data )
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delete[] screen_font.data;
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if ( screen_unicode_map.entries )
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delete[] screen_unicode_map.entries;
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#endif // defined(__linux__)
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}
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// public methods of FTermLinux
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//----------------------------------------------------------------------
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#if defined(__linux__)
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fc::linuxConsoleCursorStyle FTermLinux::getCursorStyle()
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{
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// Get the current set cursor style
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return linux_console_cursor_style;
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}
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//----------------------------------------------------------------------
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char* FTermLinux::setCursorStyle ( fc::linuxConsoleCursorStyle style
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, bool hidden )
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{
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// Set cursor style in linux console
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static char buf[16] = { };
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std::fill (std::begin(buf), std::end(buf), '\0');
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if ( ! FTerm::isLinuxTerm() )
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return buf;
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linux_console_cursor_style = style;
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if ( hidden )
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return buf;
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std::sprintf (buf, CSI "?%dc", style);
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return buf;
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}
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//----------------------------------------------------------------------
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void FTermLinux::setUTF8 (bool enable)
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{
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if ( ! FTerm::isLinuxTerm() )
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return;
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if ( enable )
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FTerm::putstring (ESC "%G");
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else
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FTerm::putstring (ESC "%@");
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std::fflush(stdout);
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}
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//----------------------------------------------------------------------
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#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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bool FTermLinux::setPalette (FColor index, int r, int g, int b)
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{
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if ( ! FTerm::isLinuxTerm() )
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return false;
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return setVGAPalette (index, r, g, b);
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}
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#else
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bool FTermLinux::setPalette (FColor, int, int, int)
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{
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return false;
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}
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#endif
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//----------------------------------------------------------------------
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bool FTermLinux::isLinuxConsole()
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{
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// Check if it's a Linux console
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if ( ! fsystem )
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fsystem = FTerm::getFSystem();
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char arg = 0;
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int fd_tty = FTerm::getTTYFileDescriptor();
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// get keyboard type an compare
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return ( fsystem->isTTY(fd_tty)
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&& fsystem->ioctl(fd_tty, KDGKBTYPE, &arg) == 0
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&& ((arg == KB_101) || (arg == KB_84)) );
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}
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//----------------------------------------------------------------------
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void FTermLinux::init()
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{
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// initialize Linux console
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if ( ! fsystem )
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fsystem = FTerm::getFSystem();
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fterm_data = FTerm::getFTermData();
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fsystem = FTerm::getFSystem();
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term_detection = FTerm::getFTermDetection();
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screen_unicode_map.entries = nullptr;
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screen_font.data = nullptr;
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fterm_data->supportShadowCharacter (true);
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fterm_data->supportHalfBlockCharacter (true);
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getVGAPalette();
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if ( FTerm::openConsole() == 0 )
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{
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term_detection->setLinuxTerm (isLinuxConsole());
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if ( FTerm::isLinuxTerm() )
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{
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getUnicodeMap();
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getScreenFont();
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#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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// Enable 16 background colors
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if ( setBlinkAsIntensity(true) == 0 )
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FTermcap::max_color = 16;
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else
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FTermcap::max_color = 8;
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#endif
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// Underline cursor
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setCursorStyle (fc::underscore_cursor, true);
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// Framebuffer color depth in bits per pixel
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framebuffer_bpp = getFramebuffer_bpp();
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// More than 4 bits per pixel and the font uses the blink-bit
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if ( framebuffer_bpp >= 4 && screen_font.charcount <= 256 )
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FTermcap::max_color = 16;
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}
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FTerm::detectTermSize();
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FTerm::closeConsole();
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}
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else
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{
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std::cerr << "can not open the console.\n";
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std::abort();
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}
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}
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//----------------------------------------------------------------------
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void FTermLinux::initCharMap (uInt char_map[][fc::NUM_OF_ENCODINGS])
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{
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constexpr sInt16 NOT_FOUND = -1;
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if ( new_font || vga_font )
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return;
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if ( screen_unicode_map.entry_ct > 0 && screen_unicode_map.entries )
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{
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for (std::size_t i = 0; i <= fc::lastCharItem; i++ )
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{
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auto ucs = wchar_t(char_map[i][fc::UTF8]);
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sInt16 fontpos = getFontPos(ucs);
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// Fix for a non-cp437 Linux console with PC charset encoding
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if ( fontpos > 255 || fontpos == NOT_FOUND )
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char_map[i][fc::PC] = char_map[i][fc::ASCII];
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// Character substitutions for missing characters
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if ( fontpos == NOT_FOUND )
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{
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characterFallback (ucs, { L'▲', L'↑', L'^' });
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characterFallback (ucs, { L'▼', L'↓', L'v' });
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characterFallback (ucs, { L'►', L'▶', L'→', L'>' });
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characterFallback (ucs, { L'◄', L'◀', L'←', L'<' });
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characterFallback (ucs, { L'●', L'◆', L'⬤', L'*' });
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characterFallback (ucs, { L'•', L'●', L'◆', L'⬤', L'*' });
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characterFallback (ucs, { L'×', L'❌', L'x' });
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characterFallback (ucs, { L'÷', L'➗', L'/' });
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characterFallback (ucs, { L'√', L'✓', L'x' });
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characterFallback (ucs, { L'ˣ', L'ⁿ', L'ˆ', L'`' });
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}
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}
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}
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initSpecialCharacter();
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}
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//----------------------------------------------------------------------
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void FTermLinux::finish()
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{
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if ( FTerm::isLinuxTerm() )
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{
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#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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setBlinkAsIntensity (false);
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#endif
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setCursorStyle (fc::default_cursor, false);
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}
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}
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//----------------------------------------------------------------------
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bool FTermLinux::loadVGAFont()
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{
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vga_font = true;
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new_font = false;
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if ( FTerm::openConsole() == 0 )
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{
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if ( isLinuxConsole() )
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{
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// Set the standard vga font 8x16
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int ret = setScreenFont(fc::__8x16std, 256, 8, 16);
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if ( ret != 0 )
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vga_font = false;
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// unicode character mapping
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struct unimapdesc unimap;
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unimap.entry_ct = uInt16 ( sizeof(fc::unicode_cp437_pairs)
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/ sizeof(unipair) );
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unimap.entries = &fc::unicode_cp437_pairs[0];
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setUnicodeMap(&unimap);
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}
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else
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vga_font = false;
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FTerm::detectTermSize();
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FTerm::closeConsole();
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}
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else
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vga_font = false;
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if ( vga_font )
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{
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fterm_data->supportShadowCharacter (true);
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fterm_data->supportHalfBlockCharacter (true);
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}
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return vga_font;
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}
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//----------------------------------------------------------------------
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bool FTermLinux::loadNewFont()
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{
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new_font = true;
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vga_font = false;
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if ( FTerm::openConsole() == 0 )
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{
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if ( isLinuxConsole() )
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{
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// Set the graphical font 8x16
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int ret = setScreenFont(fc::__8x16graph, 256, 8, 16);
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if ( ret != 0 )
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new_font = false;
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// unicode character mapping
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struct unimapdesc unimap;
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unimap.entry_ct = uInt16 ( sizeof(fc::unicode_cp437_pairs)
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/ sizeof(unipair) );
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unimap.entries = &fc::unicode_cp437_pairs[0];
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setUnicodeMap(&unimap);
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}
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else
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new_font = false;
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FTerm::detectTermSize();
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FTerm::closeConsole();
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}
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else
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new_font = false;
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if ( new_font )
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{
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fterm_data->supportShadowCharacter (true);
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fterm_data->supportHalfBlockCharacter (true);
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}
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return new_font;
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}
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//----------------------------------------------------------------------
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bool FTermLinux::loadOldFont (uInt char_map[][fc::NUM_OF_ENCODINGS])
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{
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bool retval = false;
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if ( FTerm::openConsole() == 0 )
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{
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if ( isLinuxConsole() )
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{
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if ( screen_font.data )
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{
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int ret = setScreenFont ( screen_font.data
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, screen_font.charcount
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, screen_font.width
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, screen_font.height
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, true );
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delete[] screen_font.data;
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screen_font.data = nullptr;
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if ( ret == 0 )
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retval = true;
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}
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if ( screen_unicode_map.entries )
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{
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setUnicodeMap (&screen_unicode_map);
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initCharMap(char_map);
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delete[] screen_unicode_map.entries;
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screen_unicode_map.entries = nullptr;
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}
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}
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FTerm::detectTermSize();
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FTerm::closeConsole();
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}
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if ( retval )
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vga_font = new_font = false;
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return retval;
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}
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//----------------------------------------------------------------------
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bool FTermLinux::saveColorMap()
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{
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if ( ! FTerm::isLinuxTerm() )
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return false;
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#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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return saveVGAPalette();
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#else
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return false;
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#endif
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}
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//----------------------------------------------------------------------
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bool FTermLinux::resetColorMap()
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{
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if ( ! FTerm::isLinuxTerm() )
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return false;
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#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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return resetVGAPalette();
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#else
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return false;
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#endif
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}
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//----------------------------------------------------------------------
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void FTermLinux::setBeep (int Hz, int ms)
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{
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if ( ! FTerm::isLinuxTerm() )
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return;
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// range for frequency: 21-32766
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if ( Hz < 21 || Hz > 32766 )
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return;
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// range for duration: 0-1999
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if ( ms < 0 || ms > 1999 )
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return;
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FTerm::putstringf ( CSI "10;%d]"
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CSI "11;%d]"
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, Hz, ms );
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std::fflush(stdout);
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}
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//----------------------------------------------------------------------
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void FTermLinux::resetBeep()
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{
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if ( ! FTerm::isLinuxTerm() )
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return;
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// default frequency: 750 Hz
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// default duration: 125 ms
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FTerm::putstring ( CSI "10;750]"
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CSI "11;125]" );
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std::fflush(stdout);
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}
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//----------------------------------------------------------------------
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char* FTermLinux::restoreCursorStyle()
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{
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// Reset to the last used Linux console cursor style
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return setCursorStyle (getCursorStyle(), false);
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}
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//----------------------------------------------------------------------
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FKey FTermLinux::modifierKeyCorrection (const FKey& key_id)
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{
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// Get the current modifier key state
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modifier_key& m = getModifierKey();
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if ( ! (m.shift || m.ctrl || m.alt) )
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{
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return key_id;
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}
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else if ( m.shift && ! m.ctrl && ! m.alt )
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{
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return shiftKeyCorrection(key_id);
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}
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else if ( ! m.shift && m.ctrl && ! m.alt )
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{
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return ctrlKeyCorrection(key_id);
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}
|
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else if ( ! m.shift && ! m.ctrl && m.alt )
|
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{
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return altKeyCorrection(key_id);
|
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}
|
||
else if ( m.shift && m.ctrl && ! m.alt )
|
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{
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return shiftCtrlKeyCorrection(key_id);
|
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}
|
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else if ( m.shift && ! m.ctrl && m.alt )
|
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{
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return shiftAltKeyCorrection(key_id);
|
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}
|
||
else if ( ! m.shift && m.ctrl && m.alt )
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{
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return ctrlAltKeyCorrection(key_id);
|
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}
|
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else if ( m.shift && m.ctrl && m.alt )
|
||
{
|
||
return shiftCtrlAltKeyCorrection(key_id);
|
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}
|
||
|
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return key_id;
|
||
}
|
||
|
||
|
||
// private methods of FTermLinux
|
||
//----------------------------------------------------------------------
|
||
int FTermLinux::getFramebuffer_bpp()
|
||
{
|
||
int fd = -1;
|
||
const char* fb = C_STR("/dev/fb/0");
|
||
struct fb_var_screeninfo fb_var;
|
||
struct fb_fix_screeninfo fb_fix;
|
||
|
||
if ( ! fsystem )
|
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fsystem = FTerm::getFSystem();
|
||
|
||
if ( (fd = fsystem->open(fb, O_RDWR)) < 0 )
|
||
{
|
||
if ( errno != ENOENT && errno != ENOTDIR )
|
||
return -1;
|
||
|
||
fb = C_STR("/dev/fb0");
|
||
|
||
if ( (fd = fsystem->open(fb, O_RDWR)) < 0 )
|
||
return -1;
|
||
}
|
||
|
||
if ( fsystem->ioctl(fd, FBIOGET_VSCREENINFO, &fb_var) == 0
|
||
&& fsystem->ioctl(fd, FBIOGET_FSCREENINFO, &fb_fix) == 0 )
|
||
{
|
||
fsystem->close(fd);
|
||
return int(fb_var.bits_per_pixel);
|
||
}
|
||
else
|
||
{
|
||
fsystem->close(fd);
|
||
}
|
||
|
||
return -1;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
bool FTermLinux::getScreenFont()
|
||
{
|
||
struct console_font_op font;
|
||
int fd_tty = FTerm::getTTYFileDescriptor();
|
||
int ret = -1;
|
||
|
||
if ( fd_tty < 0 )
|
||
return false;
|
||
|
||
// initialize unused padding bytes in struct
|
||
std::memset (&font, 0, sizeof(console_font_op));
|
||
|
||
font.op = KD_FONT_OP_GET;
|
||
font.flags = 0;
|
||
font.width = 32;
|
||
font.height = 32;
|
||
font.charcount = 512;
|
||
|
||
// initialize with 0
|
||
try
|
||
{
|
||
static constexpr std::size_t data_size = 4 * 32 * 512;
|
||
font.data = new uChar[data_size]();
|
||
}
|
||
catch (const std::bad_alloc& ex)
|
||
{
|
||
std::cerr << bad_alloc_str << ex.what() << std::endl;
|
||
return false;
|
||
}
|
||
|
||
// font operation
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, KDFONTOP, &font);
|
||
|
||
if ( ret == 0 )
|
||
{
|
||
screen_font.width = font.width;
|
||
screen_font.height = font.height;
|
||
screen_font.charcount = font.charcount;
|
||
screen_font.data = font.data;
|
||
return true;
|
||
}
|
||
else
|
||
return false;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
bool FTermLinux::getUnicodeMap()
|
||
{
|
||
int ret = -1;
|
||
int fd_tty = FTerm::getTTYFileDescriptor();
|
||
|
||
if ( fd_tty < 0 )
|
||
return false;
|
||
|
||
screen_unicode_map.entry_ct = 0;
|
||
screen_unicode_map.entries = nullptr;
|
||
|
||
// get count
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
|
||
|
||
if ( ret != 0 )
|
||
{
|
||
std::size_t count = screen_unicode_map.entry_ct;
|
||
|
||
if ( errno != ENOMEM || count == 0 )
|
||
return false;
|
||
|
||
try
|
||
{
|
||
screen_unicode_map.entries = new struct unipair[count]();
|
||
}
|
||
catch (const std::bad_alloc& ex)
|
||
{
|
||
std::cerr << bad_alloc_str << ex.what() << std::endl;
|
||
return false;
|
||
}
|
||
|
||
// get unicode-to-font mapping from kernel
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
|
||
|
||
if ( ret != 0 )
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FTermLinux::modifier_key& FTermLinux::getModifierKey()
|
||
{
|
||
// Get Linux console shift state
|
||
|
||
char subcode = 6; // Shift state command + return value
|
||
|
||
// fill bit field with 0
|
||
std::memset (&mod_key, 0x00, sizeof(mod_key));
|
||
|
||
// TIOCLINUX, subcode = 6 (TIOCL_GETSHIFTSTATE)
|
||
if ( fsystem && fsystem->ioctl(0, TIOCLINUX, &subcode) >= 0 )
|
||
{
|
||
if ( subcode & (1 << KG_SHIFT) )
|
||
mod_key.shift = true;
|
||
|
||
if ( subcode & (1 << KG_ALTGR) )
|
||
mod_key.alt_gr = true;
|
||
|
||
if ( subcode & (1 << KG_CTRL) )
|
||
mod_key.ctrl = true;
|
||
|
||
if ( subcode & (1 << KG_ALT) )
|
||
mod_key.alt = true;
|
||
}
|
||
|
||
return mod_key;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
int FTermLinux::setScreenFont ( uChar fontdata[], uInt count
|
||
, uInt fontwidth, uInt fontheight
|
||
, bool direct)
|
||
{
|
||
struct console_font_op font;
|
||
int fd_tty = FTerm::getTTYFileDescriptor();
|
||
int ret = -1;
|
||
|
||
if ( fd_tty < 0 )
|
||
return -1;
|
||
|
||
// initialize unused padding bytes in struct
|
||
std::memset (&font, 0x00, sizeof(console_font_op));
|
||
|
||
font.op = KD_FONT_OP_SET;
|
||
font.flags = 0;
|
||
font.width = fontwidth;
|
||
font.height = fontheight;
|
||
font.charcount = count;
|
||
|
||
if ( direct )
|
||
font.data = fontdata;
|
||
else
|
||
{
|
||
const std::size_t bytes_per_line = font.width / 8;
|
||
const std::size_t data_size = bytes_per_line * 32 * font.charcount;
|
||
|
||
try
|
||
{
|
||
font.data = new uChar[data_size](); // initialize with 0
|
||
}
|
||
catch (const std::bad_alloc& ex)
|
||
{
|
||
std::cerr << bad_alloc_str << ex.what() << std::endl;
|
||
return -1;
|
||
}
|
||
|
||
for (std::size_t i = 0; i < count; i++)
|
||
std::memcpy ( const_cast<uChar*>(font.data + bytes_per_line * 32 * i)
|
||
, &fontdata[i * font.height]
|
||
, font.height);
|
||
}
|
||
|
||
// font operation
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, KDFONTOP, &font);
|
||
|
||
if ( ret != 0 && errno != ENOSYS && errno != EINVAL )
|
||
{
|
||
if ( ! direct )
|
||
delete[] font.data;
|
||
|
||
return -1;
|
||
}
|
||
|
||
if ( ! direct )
|
||
delete[] font.data;
|
||
|
||
if ( ret == 0 )
|
||
return 0;
|
||
else
|
||
return -1;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
int FTermLinux::setUnicodeMap (struct unimapdesc* unimap)
|
||
{
|
||
struct unimapinit advice;
|
||
int fd_tty = FTerm::getTTYFileDescriptor();
|
||
int ret = -1;
|
||
|
||
if ( fd_tty < 0 )
|
||
return -1;
|
||
|
||
advice.advised_hashsize = 0;
|
||
advice.advised_hashstep = 0;
|
||
advice.advised_hashlevel = 0;
|
||
|
||
do
|
||
{
|
||
// clear the unicode-to-font table
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, PIO_UNIMAPCLR, &advice);
|
||
|
||
if ( ret != 0 )
|
||
return -1;
|
||
|
||
// put the new unicode-to-font mapping in kernel
|
||
if ( fsystem )
|
||
ret = fsystem->ioctl (fd_tty, PIO_UNIMAP, unimap);
|
||
|
||
if ( ret != 0 )
|
||
advice.advised_hashlevel++;
|
||
}
|
||
while ( ret != 0 && errno == ENOMEM && advice.advised_hashlevel < 100);
|
||
|
||
if ( ret == 0 )
|
||
return 0;
|
||
else
|
||
return -1;
|
||
}
|
||
|
||
#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
|
||
//----------------------------------------------------------------------
|
||
inline uInt16 FTermLinux::getInputStatusRegisterOne()
|
||
{
|
||
// Gets the VGA input-status-register-1
|
||
|
||
if ( ! fsystem )
|
||
fsystem = FTerm::getFSystem();
|
||
|
||
// Miscellaneous output (read port)
|
||
static constexpr uInt16 misc_read = 0x3cc;
|
||
uChar misc_value = fsystem->inPortByte(misc_read);
|
||
const uInt16 io_base = ( misc_value & 0x01 ) ? 0x3d0 : 0x3b0;
|
||
// 0x3ba : Input status 1 mono/MDA (read port)
|
||
// 0x3da : Input status 1 color/CGA (read port)
|
||
return io_base + 0x0a;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
uChar FTermLinux::readAttributeController (uChar index)
|
||
{
|
||
// Reads a byte from the attribute controller from a given index
|
||
|
||
if ( ! fsystem )
|
||
fsystem = FTerm::getFSystem();
|
||
|
||
uChar res;
|
||
// Attribute controller (write port)
|
||
static constexpr uInt16 attrib_cntlr_write = 0x3c0;
|
||
// Attribute controller (read port)
|
||
static constexpr uInt16 attrib_cntlr_read = 0x3c1;
|
||
const uInt16 input_status_1 = getInputStatusRegisterOne();
|
||
|
||
fsystem->inPortByte (input_status_1); // switch to index mode
|
||
fsystem->outPortByte (index & 0x1f, attrib_cntlr_write); // selects address register
|
||
res = fsystem->inPortByte (attrib_cntlr_read); // read from data register
|
||
|
||
// Disable access to the palette and unblank the display
|
||
fsystem->inPortByte (input_status_1); // switch to index mode
|
||
index = (index & 0x1f) | 0x20; // set bit 5 (enable display)
|
||
fsystem->outPortByte (index, attrib_cntlr_write);
|
||
fsystem->inPortByte (attrib_cntlr_read);
|
||
|
||
return res;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
void FTermLinux::writeAttributeController (uChar index, uChar data)
|
||
{
|
||
// Writes a byte from the attribute controller from a given index
|
||
|
||
if ( ! fsystem )
|
||
fsystem = FTerm::getFSystem();
|
||
|
||
// Attribute controller (write port)
|
||
static constexpr uInt16 attrib_cntlr_write = 0x3c0;
|
||
const uInt16 input_status_1 = getInputStatusRegisterOne();
|
||
|
||
fsystem->inPortByte (input_status_1); // switch to index mode
|
||
fsystem->outPortByte (index & 0x1f, attrib_cntlr_write); // selects address register
|
||
fsystem->outPortByte (data, attrib_cntlr_write); // write to data register
|
||
|
||
// Disable access to the palette and unblank the display
|
||
fsystem->inPortByte (input_status_1); // switch to index mode
|
||
index = (index & 0x1f) | 0x20; // set bit 5 (enable display)
|
||
fsystem->outPortByte (index, attrib_cntlr_write);
|
||
fsystem->outPortByte (data, attrib_cntlr_write);
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
inline uChar FTermLinux::getAttributeMode()
|
||
{
|
||
// Gets the attribute mode value from the vga attribute controller
|
||
static constexpr uChar attrib_mode = 0x10;
|
||
return readAttributeController(attrib_mode);
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
inline void FTermLinux::setAttributeMode (uChar data)
|
||
{
|
||
// Sets the attribute mode value from the vga attribute controller
|
||
static constexpr uChar attrib_mode = 0x10;
|
||
writeAttributeController (attrib_mode, data);
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
int FTermLinux::setBlinkAsIntensity (bool enable)
|
||
{
|
||
// Uses blink-bit as background intensity.
|
||
// That permits 16 colors for background
|
||
|
||
if ( ! fsystem )
|
||
fsystem = FTerm::getFSystem();
|
||
|
||
int fd_tty = FTerm::getTTYFileDescriptor();
|
||
|
||
// Test if the blink-bit is used by the screen font (512 characters)
|
||
if ( screen_font.charcount > 256 )
|
||
return -1;
|
||
|
||
if ( fsystem->getuid() != 0 ) // Direct hardware access requires root privileges
|
||
return -2;
|
||
|
||
if ( fd_tty < 0 )
|
||
return -1;
|
||
|
||
// Enable access to VGA I/O ports (from 0x3B4 with num = 0x2C)
|
||
if ( fsystem->ioctl(fd_tty, KDENABIO, 0) < 0 )
|
||
return -1; // error on KDENABIO
|
||
|
||
if ( enable )
|
||
setAttributeMode (getAttributeMode() & 0xF7); // clear bit 3
|
||
else
|
||
setAttributeMode (getAttributeMode() | 0x08); // set bit 3
|
||
|
||
// Disable access to VGA I/O ports
|
||
if ( fsystem->ioctl(fd_tty, KDDISABIO, 0) < 0 )
|
||
return -1; // error on KDDISABIO
|
||
|
||
return 0;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
void FTermLinux::getVGAPalette()
|
||
{
|
||
if ( fsystem && fsystem->ioctl(0, GIO_CMAP, &cmap) != 0 )
|
||
setVGADefaultPalette(); // Fallback, if GIO_CMAP does not work
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
void FTermLinux::setVGADefaultPalette()
|
||
{
|
||
constexpr rgb defaultColor[16] =
|
||
{
|
||
{0x00, 0x00, 0x00}, {0xaa, 0x00, 0x00},
|
||
{0x00, 0xaa, 0x00}, {0xaa, 0x55, 0x00},
|
||
{0x00, 0x00, 0xaa}, {0xaa, 0x00, 0xaa},
|
||
{0x00, 0xaa, 0xaa}, {0xaa, 0xaa, 0xaa},
|
||
{0x55, 0x55, 0x55}, {0xff, 0x55, 0x55},
|
||
{0x55, 0xff, 0x55}, {0xff, 0xff, 0x55},
|
||
{0x55, 0x55, 0xff}, {0xff, 0x55, 0xff},
|
||
{0x55, 0xff, 0xff}, {0xff, 0xff, 0xff}
|
||
};
|
||
|
||
for (std::size_t index = 0; index < 16; index++)
|
||
{
|
||
cmap.color[index].red = defaultColor[index].red;
|
||
cmap.color[index].green = defaultColor[index].green;
|
||
cmap.color[index].blue = defaultColor[index].blue;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
bool FTermLinux::setVGAPalette (FColor index, int r, int g, int b)
|
||
{
|
||
// Set the vga color map
|
||
|
||
if ( r >= 0 && r < 256
|
||
&& g >= 0 && g < 256
|
||
&& b >= 0 && b < 256 )
|
||
{
|
||
cmap.color[index].red = uChar(r);
|
||
cmap.color[index].green = uChar(g);
|
||
cmap.color[index].blue = uChar(b);
|
||
}
|
||
|
||
if ( fsystem && fsystem->ioctl(0, PIO_CMAP, &cmap) == 0 )
|
||
return true;
|
||
else
|
||
return false;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
bool FTermLinux::saveVGAPalette()
|
||
{
|
||
// Save the current vga color map
|
||
|
||
if ( fsystem && fsystem->ioctl(0, GIO_CMAP, &saved_color_map) == 0 )
|
||
has_saved_palette = true;
|
||
else
|
||
has_saved_palette = false;
|
||
|
||
return has_saved_palette;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
bool FTermLinux::resetVGAPalette()
|
||
{
|
||
// Reset the vga color map
|
||
|
||
if ( has_saved_palette )
|
||
{
|
||
if ( fsystem && fsystem->ioctl (0, PIO_CMAP, &saved_color_map) )
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
setVGADefaultPalette();
|
||
|
||
if ( fsystem && fsystem->ioctl(0, PIO_CMAP, &cmap) != 0 )
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
#endif // defined(__x86_64__) || defined(__i386) || defined(__arm__)
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::shiftKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fkey_sr; // Shift+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fkey_sf; // Shift+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fkey_sleft; // Shift+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fkey_sright; // Shift+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fkey_sic; // Shift+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fkey_sdc; // Shift+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fkey_shome; // Shift+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fkey_send; // Shift+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fkey_sprevious; // Shift+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fkey_snext; // Shift+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::ctrlKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fckey_up; // Ctrl+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fckey_down; // Ctrl+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fckey_left; // Ctrl+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fckey_right; // Ctrl+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fckey_ic; // Ctrl+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fckey_dc; // Ctrl+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fckey_home; // Ctrl+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fckey_end; // Ctrl+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fckey_ppage; // Ctrl+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fckey_npage; // Ctrl+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::altKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fmkey_up; // Meta+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fmkey_down; // Meta+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fmkey_left; // Meta+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fmkey_right; // Meta+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fmkey_ic; // Meta+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fmkey_dc; // Meta+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fmkey_home; // Meta+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fmkey_end; // Meta+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fmkey_ppage; // Meta+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fmkey_npage; // Meta+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::shiftCtrlKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fckey_sup; // Shift+Ctrl+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fckey_sdown; // Shift+Ctrl+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fckey_sleft; // Shift+Ctrl+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fckey_sright; // Shift+Ctrl+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fckey_sic; // Shift+Ctrl+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fckey_sdc; // Shift+Ctrl+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fckey_shome; // Shift+Ctrl+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fckey_send; // Shift+Ctrl+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fckey_sppage; // Shift+Ctrl+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fckey_snpage; // Shift+Ctrl+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::shiftAltKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fmkey_sup; // Shift+Meta+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fmkey_sdown; // Shift+Meta+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fmkey_sleft; // Shift+Meta+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fmkey_sright; // Shift+Meta+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fmkey_sic; // Shift+Meta+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fmkey_sdc; // Shift+Meta+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fmkey_shome; // Shift+Meta+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fmkey_send; // Shift+Meta+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fmkey_sppage; // Shift+Meta+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fmkey_snpage; // Shift+Meta+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::ctrlAltKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fcmkey_up; // Ctrl+Meta+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fcmkey_down; // Ctrl+Meta+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fcmkey_left; // Ctrl+Meta+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fcmkey_right; // Ctrl+Meta+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fcmkey_ic; // Ctrl+Meta+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fcmkey_dc; // Ctrl+Meta+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fcmkey_home; // Ctrl+Meta+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fcmkey_end; // Ctrl+Meta+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fcmkey_ppage; // Ctrl+Meta+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fcmkey_npage; // Ctrl+Meta+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
FKey FTermLinux::shiftCtrlAltKeyCorrection (const FKey& key_id)
|
||
{
|
||
switch ( key_id )
|
||
{
|
||
case fc::Fkey_up:
|
||
return fc::Fcmkey_sup; // Shift+Ctrl+Meta+Up
|
||
|
||
case fc::Fkey_down:
|
||
return fc::Fcmkey_sdown; // Shift+Ctrl+Meta+Down
|
||
|
||
case fc::Fkey_left:
|
||
return fc::Fcmkey_sleft; // Shift+Ctrl+Meta+Left
|
||
|
||
case fc::Fkey_right:
|
||
return fc::Fcmkey_sright; // Shift+Ctrl+Meta+Right
|
||
|
||
case fc::Fkey_ic:
|
||
return fc::Fcmkey_sic; // Shift+Ctrl+Meta+Ins
|
||
|
||
case fc::Fkey_dc:
|
||
return fc::Fcmkey_sdc; // Shift+Ctrl+Meta+Del
|
||
|
||
case fc::Fkey_home:
|
||
return fc::Fcmkey_shome; // Shift+Ctrl+Meta+Home
|
||
|
||
case fc::Fkey_end:
|
||
return fc::Fcmkey_send; // Shift+Ctrl+Meta+End
|
||
|
||
case fc::Fkey_ppage:
|
||
return fc::Fcmkey_sppage; // Shift+Ctrl+Meta+PgUp
|
||
|
||
case fc::Fkey_npage:
|
||
return fc::Fcmkey_snpage; // Shift+Ctrl+Meta+PgDn
|
||
|
||
default:
|
||
return key_id;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
inline void FTermLinux::initSpecialCharacter()
|
||
{
|
||
wchar_t c1 = fc::UpperHalfBlock;
|
||
wchar_t c2 = fc::LowerHalfBlock;
|
||
wchar_t c3 = fc::FullBlock;
|
||
|
||
if ( FTerm::charEncode(c1, fc::PC) == FTerm::charEncode(c1, fc::ASCII)
|
||
|| FTerm::charEncode(c2, fc::PC) == FTerm::charEncode(c2, fc::ASCII)
|
||
|| FTerm::charEncode(c3, fc::PC) == FTerm::charEncode(c3, fc::ASCII) )
|
||
{
|
||
fterm_data->supportShadowCharacter (false);
|
||
}
|
||
|
||
wchar_t c4 = fc::RightHalfBlock;
|
||
wchar_t c5 = fc::LeftHalfBlock;
|
||
|
||
if ( FTerm::charEncode(c4, fc::PC) == FTerm::charEncode(c4, fc::ASCII)
|
||
|| FTerm::charEncode(c5, fc::PC) == FTerm::charEncode(c5, fc::ASCII) )
|
||
{
|
||
fterm_data->supportHalfBlockCharacter (false);
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
sInt16 FTermLinux::getFontPos (wchar_t ucs)
|
||
{
|
||
constexpr sInt16 NOT_FOUND = -1;
|
||
|
||
for (std::size_t n = 0; n < screen_unicode_map.entry_ct; n++)
|
||
{
|
||
if ( screen_unicode_map.entries[n].unicode == ucs )
|
||
return sInt16(screen_unicode_map.entries[n].fontpos);
|
||
}
|
||
|
||
return NOT_FOUND;
|
||
}
|
||
|
||
//----------------------------------------------------------------------
|
||
void FTermLinux::characterFallback ( wchar_t ucs
|
||
, std::vector<wchar_t> fallback )
|
||
{
|
||
constexpr sInt16 NOT_FOUND = -1;
|
||
charSubstitution& sub_map = fterm_data->getCharSubstitutionMap();
|
||
|
||
if ( fallback.size() < 2 || ucs != fallback[0] )
|
||
return;
|
||
|
||
for (auto iter = fallback.begin() + 1; iter != fallback.end(); iter++)
|
||
{
|
||
sInt16 pos = getFontPos(*iter);
|
||
|
||
if ( pos != NOT_FOUND )
|
||
{
|
||
sub_map[ucs] = *iter;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
#endif // defined(__linux__)
|
||
|
||
} // namespace finalcut
|