Re: [hackers] [st][PATCH] Support xterm Ms feature to set clipboard

From: Anselm R Garbe <garbeam_AT_gmail.com>
Date: Sat, 18 Mar 2017 19:27:58 +0100

On 18 March 2017 at 08:18, Omar Sandoval <osandov_AT_osandov.com> wrote:
> This is used by, e.g., tmux.
> ---
> st.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> st.info | 1 +
> 2 files changed, 58 insertions(+)
>
> diff --git a/st.c b/st.c
> index fbcd9e0..f3b8846 100644
> --- a/st.c
> +++ b/st.c
> _AT_@ -491,6 +491,8 @@ static char utf8encodebyte(Rune, size_t);
> static char *utf8strchr(char *s, Rune u);
> static size_t utf8validate(Rune *, size_t);
>
> +static char *base64dec(const char *);
> +
> static ssize_t xwrite(int, const char *, size_t);
> static void *xmalloc(size_t);
> static void *xrealloc(void *, size_t);
> _AT_@ -704,6 +706,48 @@ utf8validate(Rune *u, size_t i)
> return i;
> }
>
> +static const char base64_digits[] = {
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
> + 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
> + 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
> + 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
> + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
> +};
> +
> +char *
> +base64dec(const char *src)
> +{
> + size_t in_len = strlen(src);
> + char *result, *dst;
> +
> + if (in_len % 4)
> + return NULL;
> + result = dst = xmalloc(in_len / 4 * 3 + 1);
> + while (*src) {
> + char a = base64_digits[(unsigned char)*(src++)];
> + char b = base64_digits[(unsigned char)*(src++)];
> + char c = base64_digits[(unsigned char)*(src++)];
> + char d = base64_digits[(unsigned char)*(src++)];
> +
> + *(dst++) = (a << 2) | ((b & 0x30) >> 4);
> + if (c == (char)-1)
> + break;
> + *(dst++) = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
> + if (d == (char)-1)
> + break;
> + *(dst++) = ((c & 0x03) << 6) | d;
> + }
> + *dst = '\0';
> + return result;
> +}
> +
> void
> selinit(void)
> {
> _AT_@ -2533,6 +2577,19 @@ strhandle(void)
> if (narg > 1)
> xsettitle(strescseq.args[1]);
> return;
> + case 52:
> + if (narg > 2) {
> + char *dec;
> +
> + dec = base64dec(strescseq.args[2]);
> + if (dec) {
> + xsetsel(dec, CurrentTime);
> + clipcopy(NULL);
> + } else {
> + fprintf(stderr, "erresc: invalid base64\n");
> + }
> + }
> + return;
> case 4: /* color set */
> if (narg < 3)
> break;
> diff --git a/st.info b/st.info
> index 13cc8eb..0b928af 100644
> --- a/st.info
> +++ b/st.info
> _AT_@ -189,6 +189,7 @@ st| simpleterm,
> Se,
> Ss,
> Tc,
> + Ms=\E]52;%p1%s;%p2%s\007,
>
> st-256color| simpleterm with 256 colors,
> use=st,
> --
> 2.12.0

From my perspective ok.

_AT_frign?

-Anselm
Received on Sat Mar 18 2017 - 19:27:58 CET