Improve tty settings
This commit is contained in:
Markus Gans
parent
fc8ee51e72
commit
082bbfbaa2
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@ -1,10 +1,14 @@
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2016-11-20 Markus Gans <guru.mail@muenster.de>
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* Improve tty settings
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2016-11-13 Markus Gans <guru.mail@muenster.de>
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* Do not draw shadows on a linux console if not
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all characters are available
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2016-11-12 Markus Gans <guru.mail@muenster.de>
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* Better support for Linux terminals with 8 colors
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* Optimized input cursor positioning for terminals without hidden cursor
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* Optimized input cursor positioning for terminals without
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hidden cursor
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* Switch locale name from "en_US" to "C"
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* Fix FString toLong()
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@ -33,7 +33,7 @@ FApplication::eventQueue* FApplication::event_queue = 0;
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// constructors and destructor
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//----------------------------------------------------------------------
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FApplication::FApplication (int& _argc, char**& _argv)
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FApplication::FApplication (int& _argc, char* _argv[])
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: FWidget(0)
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, app_argc(_argc)
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, app_argv(_argv)
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@ -59,8 +59,8 @@ FApplication::FApplication (int& _argc, char**& _argv)
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if ( ! (_argc && _argv) )
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{
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static char* empty = const_cast<char*>("");
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_argc = 0;
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_argv = static_cast<char**>(&empty);
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app_argc = 0;
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app_argv = static_cast<char**>(&empty);
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}
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init();
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@ -55,7 +55,7 @@ class FApplication : public FWidget
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{
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public:
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// Constructor
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FApplication (int&, char**& );
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FApplication (int&, char*[]);
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// Destructor
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virtual ~FApplication();
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@ -690,7 +690,7 @@ long FString::toLong() const
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p++;
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}
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while ( std::iswdigit(*p) )
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while ( std::iswdigit(wint_t(*p)) )
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{
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register uChar d = uChar((*p) - L'0');
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@ -704,7 +704,7 @@ long FString::toLong() const
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p++;
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}
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if ( *p != L'\0' && ! std::iswdigit(*p) )
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if ( *p != L'\0' && ! std::iswdigit(wint_t(*p)) )
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throw std::invalid_argument ("no valid number");
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return num;
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@ -736,7 +736,7 @@ uLong FString::toULong() const
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p++;
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}
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while ( std::iswdigit(*p) )
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while ( std::iswdigit(wint_t(*p)) )
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{
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register uChar d = uChar((*p) - L'0');
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@ -750,7 +750,7 @@ uLong FString::toULong() const
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p++;
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}
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if ( *p != L'\0' && ! std::iswdigit(*p) )
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if ( *p != L'\0' && ! std::iswdigit(wint_t(*p)) )
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throw std::invalid_argument ("no valid number");
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return num;
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348
src/fterm.cpp
348
src/fterm.cpp
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@ -128,6 +128,14 @@ FTerm::~FTerm() // destructor
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// public methods of FTerm
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//----------------------------------------------------------------------
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termios FTerm::getTTY()
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{
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struct termios t;
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tcgetattr (stdin_no, &t);
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return t;
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}
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//----------------------------------------------------------------------
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int FTerm::getLineNumber()
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{
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@ -228,52 +236,77 @@ void FTerm::setConsoleCursor (fc::consoleCursorStyle style, bool hidden)
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std::fflush(stdout);
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}
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//----------------------------------------------------------------------
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void FTerm::setTTY (termios& t)
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{
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tcsetattr (stdin_no, TCSADRAIN, &t);
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}
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//----------------------------------------------------------------------
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void FTerm::noHardwareEcho()
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{
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// Info under: man 3 termios
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struct termios t;
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tcgetattr (stdin_no, &t);
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// local mode
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t.c_lflag &= uInt(~(ECHO | ECHONL));
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// input mode
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t.c_iflag &= uInt(~(ICRNL | INLCR | IGNCR));
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// output mode
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t.c_oflag &= uInt(~ONLCR);
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// set the new termios settings
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setTTY (t);
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}
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//----------------------------------------------------------------------
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bool FTerm::setRawMode (bool on)
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{
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// set + unset flags for raw mode
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if ( on == raw_mode )
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return raw_mode;
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std::fflush(stdout);
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if ( on )
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{
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// Info under: man 3 termios
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struct termios t;
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tcgetattr (stdin_no, &t);
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/* set + unset flags for raw mode */
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// input mode
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t.c_iflag &= uInt(~(IGNBRK | BRKINT | PARMRK | ISTRIP
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| INLCR | IGNCR | ICRNL | IXON));
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// output mode
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t.c_oflag &= uInt(~OPOST);
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// local mode
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#if DEBUG
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// Exit with ctrl-c only if compiled with "DEBUG" option
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t.c_lflag &= uInt(~(ECHO | ECHONL | ICANON | IEXTEN));
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t.c_lflag &= uInt(~(ICANON | IEXTEN));
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#else
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// Plus disable signals.
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t.c_lflag &= uInt(~(ECHO | ECHONL | ICANON | IEXTEN | ISIG));
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t.c_lflag &= uInt(~(ICANON | ISIG | IEXTEN));
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#endif
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// control mode
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t.c_cflag &= uInt(~(CSIZE | PARENB));
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t.c_cflag |= uInt(CS8);
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// input mode
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t.c_iflag &= uInt(~(IXON | BRKINT | PARMRK));
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// defines the terminal special characters for noncanonical read
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t.c_cc[VTIME] = 0; // Timeout in deciseconds
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t.c_cc[VMIN] = 1; // Minimum number of characters
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// set the new termios settings
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tcsetattr (stdin_no, TCSAFLUSH, &t);
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setTTY (t);
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raw_mode = true;
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}
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else
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{
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// restore termios settings
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tcsetattr (stdin_no, TCSAFLUSH, &term_init);
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struct termios t;
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tcgetattr (stdin_no, &t);
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// local mode
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t.c_lflag |= uInt(ISIG | ICANON | (term_init.c_lflag & IEXTEN));
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// input mode
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t.c_iflag |= uInt(IXON | BRKINT | PARMRK);
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// set the new termios settings
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setTTY (t);
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raw_mode = false;
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}
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@ -328,7 +361,7 @@ bool FTerm::setNonBlockingInput (bool on)
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}
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//----------------------------------------------------------------------
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int FTerm::parseKeyString ( char* buffer
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int FTerm::parseKeyString ( char buffer[]
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, int buf_size
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, timeval* time_keypressed )
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{
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@ -762,24 +795,32 @@ const FString FTerm::getXTermFont()
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if ( xterm_terminal || screen_terminal || FTermcap::osc_support )
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{
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if ( raw_mode && non_blocking_stdin )
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fd_set ifds;
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struct timeval tv;
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char temp[150] = {};
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oscPrefix();
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putstring (OSC "50;?" BEL); // get font
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oscPostfix();
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std::fflush(stdout);
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 150000; // 150 ms
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// read the terminal answer
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0)
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{
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int n;
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char temp[150] = {};
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oscPrefix();
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putstring (OSC "50;?" BEL); // get font
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oscPostfix();
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std::fflush(stdout);
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usleep(150000); // wait 150 ms
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// read the terminal answer
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n = int(read(fileno(stdin), &temp, sizeof(temp)-1));
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// BEL + '\0' = string terminator
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if ( n >= 6 && temp[n-1] == BEL[0] && temp[n] == '\0' )
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if ( std::scanf("\033]50;%[^\n]s", temp) == 1 )
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{
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temp[n-1] = '\0';
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font = static_cast<char*>(temp + 5);
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size_t n = std::strlen(temp);
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// BEL + '\0' = string terminator
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if ( n >= 5 && temp[n-1] == BEL[0] && temp[n] == '\0' )
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temp[n-1] = '\0';
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font = temp;
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}
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}
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}
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@ -795,22 +836,30 @@ const FString FTerm::getXTermTitle()
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if ( kde_konsole )
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return title;
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if ( raw_mode && non_blocking_stdin )
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fd_set ifds;
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struct timeval tv;
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char temp[512] = {};
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putstring (CSI "21t"); // get title
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std::fflush(stdout);
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 150000; // 150 ms
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// read the terminal answer
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0)
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{
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int n;
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char temp[512] = {};
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putstring (CSI "21t"); // get title
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std::fflush(stdout);
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usleep(150000); // wait 150 ms
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// read the terminal answer
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n = int(read(fileno(stdin), &temp, sizeof(temp)-1));
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// Esc + \ = OSC string terminator
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if ( n >= 5 && temp[n-1] == '\\' && temp[n-2] == ESC[0] )
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if ( std::scanf("\033]l%[^\n]s", temp) == 1 )
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{
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temp[n-2] = '\0';
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title = static_cast<char*>(temp + 3);
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size_t n = std::strlen(temp);
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// Esc + \ = OSC string terminator
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if ( n >= 4 && temp[n-1] == '\\' && temp[n-2] == ESC[0] )
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temp[n-2] = '\0';
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title = temp;
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}
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}
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@ -822,28 +871,39 @@ const FString FTerm::getXTermColorName (int color)
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{
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FString color_str("");
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if ( raw_mode && non_blocking_stdin )
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fd_set ifds;
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struct timeval tv;
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int c = color;
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int digits = 0;
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while ( c /= 10 )
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digits++;
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char temp[512] = {};
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putstringf (OSC "4;%d;?" BEL, color); // get color
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std::fflush(stdout);
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 150000; // 150 ms
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// read the terminal answer
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0)
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{
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int n;
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int c = color;
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int digits = 0;
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while ( c /= 10 )
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digits++;
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char temp[512] = {};
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putstringf (OSC "4;%d;?" BEL, color); // get color
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std::fflush(stdout);
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usleep(150000); // wait 150 ms
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// read the terminal answer
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n = int(read(fileno(stdin), &temp, sizeof(temp)-1));
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// BEL + '\0' = string terminator
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if ( n >= 6 && temp[n-1] == BEL[0] && temp[n] == '\0' )
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if ( std::scanf("\033]4;%d;%[^\n]s", &color, temp) == 2 )
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{
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temp[n-1] = '\0';
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color_str = static_cast<char*>(temp + 6 + digits);
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size_t n = std::strlen(temp);
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// BEL + '\0' = string terminator
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if ( n >= 6 && temp[n-1] == BEL[0] && temp[n] == '\0' )
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temp[n-1] = '\0';
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// Esc + \ = OSC string terminator (mintty)
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if ( n >= 6 && temp[n-1] == '\\' && temp[n-2] == ESC[0] )
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temp[n-2] = '\0';
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color_str = temp;
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}
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}
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@ -1294,33 +1354,22 @@ const FString FTerm::getAnswerbackMsg()
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{
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FString answerback = "";
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if ( raw_mode )
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{
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ssize_t n;
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fd_set ifds;
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struct timeval tv;
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char temp[10] = {};
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fd_set ifds;
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struct timeval tv;
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char temp[10] = {};
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 150000; // 150 ms
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std::putchar (ENQ[0]); // send enquiry character
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std::fflush(stdout);
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std::putchar (ENQ[0]); // send enquiry character
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std::fflush(stdout);
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 150000; // 150 ms
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// read the answerback message
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0)
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{
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n = read(fileno(stdin), &temp, sizeof(temp)-1);
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if ( n > 0 )
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{
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temp[n] = '\0';
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answerback = temp;
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}
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}
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}
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// read the answerback message
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0)
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if ( std::fgets (temp, sizeof(temp)-1, stdin) != 0 )
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answerback = temp;
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return answerback;
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}
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@ -1330,39 +1379,23 @@ const FString FTerm::getSecDA()
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{
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FString sec_da_str = "";
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if ( raw_mode )
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{
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ssize_t n;
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fd_set ifds;
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struct timeval tv;
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char temp[16] = {};
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int a=0, b=0, c=0;
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fd_set ifds;
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struct timeval tv;
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 550000; // 150 ms
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// get the secondary device attributes
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putstring (SECDA);
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std::fflush(stdout);
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// get the secondary device attributes
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std::putchar (SECDA[0]);
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std::putchar (SECDA[1]);
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std::putchar (SECDA[2]);
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std::putchar (SECDA[3]);
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FD_ZERO(&ifds);
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FD_SET(stdin_no, &ifds);
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tv.tv_sec = 0;
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tv.tv_usec = 600000;; // 600 ms
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std::fflush(stdout);
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usleep(150000); // min. wait time 150 ms (need for mintty)
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// read the answer
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) > 0 )
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{
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n = read(fileno(stdin), &temp, sizeof(temp)-1);
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if ( n > 0 )
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{
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temp[n] = '\0';
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sec_da_str = temp;
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}
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}
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}
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// read the answer
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if ( select (stdin_no+1, &ifds, 0, 0, &tv) == 1 )
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if ( std::scanf("\033[>%d;%d;%dc", &a, &b, &c) == 3 )
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sec_da_str.sprintf("\033[>%d;%d;%dc", a, b, c);
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return sec_da_str;
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}
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@ -1436,7 +1469,7 @@ int FTerm::putchar_UTF8 (register int c)
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}
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//----------------------------------------------------------------------
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int FTerm::UTF8decode(char* utf8)
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int FTerm::UTF8decode (const char utf8[])
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{
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register int ucs=0;
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@ -1883,6 +1916,20 @@ void FTerm::identifyTermType()
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std::strncpy (termtype, const_cast<char*>("vt100"), 6);
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}
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//----------------------------------------------------------------------
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void FTerm::storeTTYsettings()
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{
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// store termios settings
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term_init = getTTY();
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}
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//----------------------------------------------------------------------
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void FTerm::restoreTTYsettings()
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{
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// restore termios settings
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setTTY (term_init);
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}
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//----------------------------------------------------------------------
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int FTerm::getScreenFont()
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{
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|
|
@ -2224,8 +2271,9 @@ char* FTerm::parseAnswerbackMsg (char*& current_termtype)
|
|||
else
|
||||
putty_terminal = false;
|
||||
|
||||
// cygwin needs a backspace to delete the '♣' char
|
||||
if ( cygwin_terminal )
|
||||
std::putchar (BS[0]); // cygwin needs a backspace to delete the '♣' char
|
||||
putstring (BS " " BS);
|
||||
|
||||
return new_termtype;
|
||||
}
|
||||
|
|
@ -2998,8 +3046,8 @@ void FTerm::init()
|
|||
xterm_default_colors = false;
|
||||
|
||||
// Preset to true
|
||||
cursor_optimisation = \
|
||||
terminal_detection = true;
|
||||
cursor_optimisation = \
|
||||
terminal_detection = true;
|
||||
|
||||
// assertion: programm start in cooked mode
|
||||
raw_mode = \
|
||||
|
|
@ -3021,11 +3069,8 @@ void FTerm::init()
|
|||
// initialize terminal and Linux console
|
||||
init_console();
|
||||
|
||||
// make stdin non-blocking
|
||||
setNonBlockingInput();
|
||||
|
||||
// save termios settings
|
||||
tcgetattr (stdin_no, &term_init);
|
||||
storeTTYsettings();
|
||||
|
||||
// get output baud rate
|
||||
baudrate = getBaudRate(&term_init);
|
||||
|
|
@ -3057,7 +3102,13 @@ void FTerm::init()
|
|||
// terminal detection
|
||||
if ( terminal_detection )
|
||||
{
|
||||
setRawMode();
|
||||
struct termios t;
|
||||
tcgetattr (STDIN_FILENO, &t);
|
||||
t.c_lflag &= uInt(~(ICANON | ECHO));
|
||||
t.c_cc[VTIME] = 1; // Timeout in deciseconds
|
||||
t.c_cc[VMIN] = 0; // Minimum number of characters
|
||||
tcsetattr (STDIN_FILENO, TCSANOW, &t);
|
||||
|
||||
|
||||
// Identify the terminal via the answerback-message
|
||||
new_termtype = parseAnswerbackMsg (new_termtype);
|
||||
|
|
@ -3066,7 +3117,11 @@ void FTerm::init()
|
|||
new_termtype = parseSecDA (new_termtype);
|
||||
|
||||
// Determine xterm maximum number of colors via OSC 4
|
||||
if ( ! color256 && ! tera_terminal && getXTermColorName(0) != "" )
|
||||
if ( ! color256
|
||||
&& ! cygwin_terminal
|
||||
&& ! tera_terminal
|
||||
&& ! linux_terminal
|
||||
&& getXTermColorName(0) != "" )
|
||||
{
|
||||
if ( getXTermColorName(256) != "" )
|
||||
{
|
||||
|
|
@ -3107,12 +3162,10 @@ void FTerm::init()
|
|||
if ( linux_terminal && getFramebuffer_bpp() >= 4 )
|
||||
FTermcap::max_color = 16;
|
||||
|
||||
unsetRawMode();
|
||||
t.c_lflag |= uInt(ICANON | ECHO);
|
||||
tcsetattr(STDIN_FILENO, TCSADRAIN, &t);
|
||||
}
|
||||
|
||||
// stop non-blocking stdin
|
||||
unsetNonBlockingInput();
|
||||
|
||||
// Test if the terminal is a xterm
|
||||
if ( std::strncmp(termtype, const_cast<char*>("xterm"), 5) == 0
|
||||
|| std::strncmp(termtype, const_cast<char*>("Eterm"), 4) == 0 )
|
||||
|
|
@ -3217,14 +3270,18 @@ void FTerm::init()
|
|||
std::fflush(stdout);
|
||||
}
|
||||
|
||||
setRawMode();
|
||||
|
||||
if ( (xterm_terminal || urxvt_terminal) && ! rxvt_terminal )
|
||||
{
|
||||
setNonBlockingInput();
|
||||
struct termios t;
|
||||
tcgetattr (STDIN_FILENO, &t);
|
||||
t.c_lflag &= uInt(~(ICANON | ECHO));
|
||||
tcsetattr (STDIN_FILENO, TCSANOW, &t);
|
||||
|
||||
xterm_font = new FString(getXTermFont());
|
||||
xterm_title = new FString(getXTermTitle());
|
||||
unsetNonBlockingInput();
|
||||
|
||||
t.c_lflag |= uInt(ICANON | ECHO);
|
||||
tcsetattr (STDIN_FILENO, TCSADRAIN, &t);
|
||||
}
|
||||
|
||||
if ( kde_konsole )
|
||||
|
|
@ -3266,6 +3323,12 @@ void FTerm::init()
|
|||
signal(SIGILL, FTerm::signal_handler); // Illegal Instruction
|
||||
signal(SIGSEGV, FTerm::signal_handler); // Invalid memory reference
|
||||
signal(SIGWINCH, FTerm::signal_handler); // Window resize signal
|
||||
|
||||
// turn off hardware echo
|
||||
noHardwareEcho();
|
||||
|
||||
// switch to the raw mode
|
||||
setRawMode();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
|
|
@ -3283,7 +3346,8 @@ void FTerm::finish()
|
|||
if ( xterm_title && xterm_terminal && ! rxvt_terminal )
|
||||
setXTermTitle (*xterm_title);
|
||||
|
||||
setCookedMode(); // leave raw mode
|
||||
// restore the saved termios settings
|
||||
restoreTTYsettings();
|
||||
|
||||
// turn off all attributes
|
||||
if ( tcap[fc::t_exit_attribute_mode].string )
|
||||
|
|
|
|||
32
src/fterm.h
32
src/fterm.h
|
|
@ -103,6 +103,7 @@ class FTerm
|
|||
|
||||
// Accessors
|
||||
virtual const char* getClassName() const;
|
||||
static termios getTTY();
|
||||
static int getLineNumber();
|
||||
static int getColumnNumber();
|
||||
static FString getKeyName (int);
|
||||
|
|
@ -144,6 +145,8 @@ class FTerm
|
|||
static bool setCursorOptimisation (bool);
|
||||
static void setXTermDefaultColors (bool);
|
||||
static void setConsoleCursor (fc::consoleCursorStyle, bool);
|
||||
static void setTTY (termios&);
|
||||
static void noHardwareEcho();
|
||||
static bool setRawMode (bool);
|
||||
static bool setRawMode();
|
||||
static bool unsetRawMode();
|
||||
|
|
@ -156,7 +159,7 @@ class FTerm
|
|||
static bool unsetNonBlockingInput();
|
||||
|
||||
// Methods
|
||||
static int parseKeyString (char*, int, timeval*);
|
||||
static int parseKeyString (char[], int, timeval*);
|
||||
static bool& unprocessedInput();
|
||||
static bool setVGAFont();
|
||||
static bool setNewFont();
|
||||
|
|
@ -216,7 +219,7 @@ class FTerm
|
|||
static void putstring (const char*, int = 1);
|
||||
static int putchar_ASCII (register int);
|
||||
static int putchar_UTF8 (register int);
|
||||
static int UTF8decode (char*);
|
||||
static int UTF8decode (const char[]);
|
||||
|
||||
protected:
|
||||
// Typedefs
|
||||
|
|
@ -246,20 +249,21 @@ class FTerm
|
|||
static void setMousePos (short, short);
|
||||
|
||||
// Data Members
|
||||
static int stdin_no;
|
||||
static int stdout_no;
|
||||
static bool NewFont;
|
||||
static bool VGAFont;
|
||||
static bool no_shadow_character;
|
||||
static bool no_half_block_character;
|
||||
static bool cursor_optimisation;
|
||||
static bool xterm_default_colors;
|
||||
static fc::encoding Encoding;
|
||||
static char exit_message[8192];
|
||||
static int stdin_no;
|
||||
static int stdout_no;
|
||||
static bool NewFont;
|
||||
static bool VGAFont;
|
||||
static bool no_shadow_character;
|
||||
static bool no_half_block_character;
|
||||
static bool cursor_optimisation;
|
||||
static bool xterm_default_colors;
|
||||
static fc::encoding Encoding;
|
||||
static char exit_message[8192];
|
||||
|
||||
private:
|
||||
// Typedefs
|
||||
typedef FTermcap::tcap_map termcap_map;
|
||||
typedef FTermcap::tcap_map termcap_map;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uChar red;
|
||||
|
|
@ -289,6 +293,8 @@ class FTerm
|
|||
static int openConsole();
|
||||
static int closeConsole();
|
||||
static void identifyTermType();
|
||||
static void storeTTYsettings();
|
||||
static void restoreTTYsettings();
|
||||
static int getScreenFont();
|
||||
static int setScreenFont (uChar*, uInt, uInt, uInt, bool = false);
|
||||
static int setUnicodeMap (struct unimapdesc*);
|
||||
|
|
|
|||
|
|
@ -550,7 +550,8 @@ int FVTerm::print (term_area* area, FString& s)
|
|||
nc.inherit_bg = next_attribute.inherit_bg;
|
||||
|
||||
if ( area
|
||||
&& ax >= 0 && ay >= 0
|
||||
&& area->cursor_x > 0
|
||||
&& area->cursor_y > 0
|
||||
&& ax < area->width + area->right_shadow
|
||||
&& ay < area->height + area->bottom_shadow )
|
||||
{
|
||||
|
|
@ -664,7 +665,8 @@ int FVTerm::print (term_area* area, register int c)
|
|||
nc.trans_shadow = next_attribute.trans_shadow;
|
||||
nc.inherit_bg = next_attribute.inherit_bg;
|
||||
|
||||
if ( ax >= 0 && ay >= 0
|
||||
if ( area->cursor_x > 0
|
||||
&& area->cursor_y > 0
|
||||
&& ax < area->width + area->right_shadow
|
||||
&& ay < area->height + area->bottom_shadow )
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue