From e43e9ebecae9377d7ab424243cdafb822b5ba048 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= Date: Fri, 11 Sep 2020 03:19:43 +0200 Subject: [PATCH] Check selection get/set and tmux tinfo extensions --- termtest.c | 52 ++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 40 insertions(+), 12 deletions(-) diff --git a/termtest.c b/termtest.c index 8adc256..d8eed84 100644 --- a/termtest.c +++ b/termtest.c @@ -32,6 +32,9 @@ #include #define CSI "\x1b[" +#define OSC "\x1b]" +#define BEL "\x07" +#define ST "\x9c" extern char **environ; static struct termios saved_termios; @@ -70,7 +73,7 @@ static char *comm(const char *req, bool wait_first) { char buf[1000] = ""; size_t buf_len = 0; int n = 0; struct pollfd pfd = { .fd = STDIN_FILENO, .events = POLLIN }; if (wait_first) poll(&pfd, 1, -1); - while ((n = poll(&pfd, 1, 15 /* unreliable, timing-dependent */))) { + while ((n = poll(&pfd, 1, 50 /* unreliable, timing-dependent */))) { if (n < 0) return NULL; len = read(STDIN_FILENO, buf + buf_len, sizeof buf - buf_len - 1); if (len <= 0) return NULL; @@ -182,6 +185,12 @@ int main(int argc, char *argv[]) { printf("\n"); } + // See tmux(1), TERMINFO EXTENSIONS. These are somewhat unusual, + // including them out of curiosity. + const char *Tc = tigetstr("Tc"); + if (Tc && Tc != (char *)-1) + printf("Terminfo: tmux extension claims direct color.\n"); + // TODO: // - terminfo // - hardcoded visual check @@ -212,11 +221,11 @@ int main(int argc, char *argv[]) { printf("\n"); } - printf("\x1b[0;32;44m" "SGR" "\x1b[m "); - printf("\x1b[1;32;44m" "Bold" "\x1b[m "); - printf("\x1b[5;32;44m" "Blink" "\x1b[m "); + printf(CSI "0;32;44m" "SGR" CSI "m "); + printf(CSI "1;32;44m" "Bold" CSI "m "); + printf(CSI "5;32;44m" "Blink" CSI "m "); printf("\n"); - printf("\x1b[0;5m" "Blink with default colours." "\x1b[m"); + printf(CSI "0;5m" "Blink with default colours." CSI "m"); printf("\n"); printf("-- Italic attribute\n"); @@ -227,6 +236,13 @@ int main(int argc, char *argv[]) { printf(CSI "3m" "SGR test.\n" CSI "0m"); printf("-- Bar cursor\n"); + const char *Ss = tigetstr("Ss"); + const char *Se = tigetstr("Se"); + if (Ss && Ss != (char*)-1) + printf("Terminfo: found tmux extension for setting.\n"); + if (Se && Se != (char*)-1) + printf("Terminfo: found tmux extension for resetting.\n"); + comm(CSI "5 q" "Blinking (press a key): ", true); printf("\n"); comm(CSI "6 q" "Steady (press a key): ", true); @@ -271,8 +287,24 @@ int main(int argc, char *argv[]) { } comm(CSI "?1000l", false); - // TODO: Should test the ability to copy arbitrary text to clipboard, - // see ctlseqs: Manipulate Selection Data + printf("-- Selection\n"); + const char *Ms = tigetstr("Ms"); + if (Ms && Ms != (char *)-1) + printf("Terminfo: found tmux extension for selections.\n"); + + char *selection = comm(OSC "52;pc;?" BEL, false); + if (!strncmp(selection, OSC "52;", 5)) { + printf("We have received the selection from the terminal!" CSI "1m\n"); + char *semi = strrchr(selection, ';'); + *strpbrk(semi, BEL ST) = 0; + FILE *fp = popen("base64 -d", "w"); + fprintf(fp, "%s", semi + 1); + fclose(fp); + printf(CSI "m\n"); + } + + comm(OSC "52;pc;VGVzdA==" BEL /* ST didn't work, UTF-8 issues? */, false); + comm("Check if the selection now contains 'Test' and press a key.\n", true); printf("-- Bracketed paste\n"); if (decrqm_supported) @@ -285,11 +317,7 @@ int main(int argc, char *argv[]) { // Let the user see the results when run outside an interactive shell. comm("-- Finished\n", true); - - // TODO: see about unusual (new) terminfo entries. - // - see man tmux, TERMINFO EXTENSIONS - // - none of the terminfos seem to include these, - // though I can look for them + // TODO: Look further than tmux(1) for unusual terminfo entries. // atexit is broken in tcc -run, see https://savannah.nongnu.org/bugs/?56495 tty_atexit();