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authorosandov@osandov.com <osandov@osandov.com>2017-03-18 11:55:04 +0100
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2017-03-19 20:32:22 +0100
commite7ed326d2e914a57017c9f34459824614075519b (patch)
tree7f06f2d26783cfa8878c588721f93b75d9f8e3ad
parent20f713548de451b67db3306cf8cf7b2f38fee05c (diff)
downloadst-e7ed326d2e914a57017c9f34459824614075519b.tar.gz
Support xterm Ms feature to set clipboard
This is used by, e.g., tmux.
-rw-r--r--st.c57
-rw-r--r--st.info1
-rw-r--r--win.h1
-rw-r--r--x.c1
4 files changed, 59 insertions, 1 deletions
diff --git a/st.c b/st.c
index 1e4196e..d7bd32a 100644
--- a/st.c
+++ b/st.c
@@ -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);
@@ -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)
{
@@ -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
@@ -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
@@ -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
@@ -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 *);