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Check selection get/set and tmux tinfo extensions

This commit is contained in:
Přemysl Eric Janouch 2020-09-11 03:19:43 +02:00
parent e4bd94f79e
commit e43e9ebeca
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 40 additions and 12 deletions
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52
termtest.c
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@ -32,6 +32,9 @@
#include <term.h>
#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();