[hackers] [st] Support xterm Ms feature to set clipboard || osandov_AT_osandov.com

From: <git_AT_suckless.org>
Date: Sun, 19 Mar 2017 20:33:49 +0100 (CET)

commit e7ed326d2e914a57017c9f34459824614075519b
Author: osandov_AT_osandov.com <osandov_AT_osandov.com>
AuthorDate: Sat Mar 18 11:55:04 2017 +0100
Commit: Roberto E. Vargas Caballero <k0ga_AT_shike2.com>
CommitDate: Sun Mar 19 20:32:22 2017 +0100

    Support xterm Ms feature to set clipboard
    
    This is used by, e.g., tmux.

diff --git a/st.c b/st.c
index 1e4196e..d7bd32a 100644
--- a/st.c
+++ b/st.c
_AT_@ -198,6 +198,8 @@ 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 *xrealloc(void *, size_t);
 
_AT_@ -369,6 +371,48 @@ 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) {
+ int a = base64_digits[(unsigned char) *src++];
+ int b = base64_digits[(unsigned char) *src++];
+ int c = base64_digits[(unsigned char) *src++];
+ int d = base64_digits[(unsigned char) *src++];
+
+ *dst++ = (a << 2) | ((b & 0x30) >> 4);
+ if (c == -1)
+ break;
+ *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
+ if (d == -1)
+ break;
+ *dst++ = ((c & 0x03) << 6) | d;
+ }
+ *dst = '\0';
+ return result;
+}
+
 void
 selinit(void)
 {
_AT_@ -1820,6 +1864,19 @@ 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,
diff --git a/win.h b/win.h
index d684797..428111c 100644
--- a/win.h
+++ b/win.h
_AT_@ -27,3 +27,4 @@ void xunloadfonts(void);
 void xresize(int, int);
 void xselpaste(void);
 unsigned long xwinid(void);
+void xsetsel(char *, Time);
diff --git a/x.c b/x.c
index 6474a01..743b084 100644
--- a/x.c
+++ b/x.c
_AT_@ -88,7 +88,6 @@ static void xclear(int, int, int, int);
 static void xdrawcursor(void);
 static int xgeommasktogravity(int);
 static int xloadfont(Font *, FcPattern *);
-static void xsetsel(char *, Time);
 static void xunloadfont(Font *);
 
 static void expose(XEvent *);
Received on Sun Mar 19 2017 - 20:33:49 CET