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    commit 68bae9c7b121e30114f6b0cabe15da3fae46e673
    parent 331033f1f6abe259218666e6f6a848f38d884078
    Author: Quentin Rameau <quinq@fifth.space>
    Date:   Sat,  8 Oct 2016 16:22:18 +0200

    Add support for iso14755

    We launch dmenu for getting a codepoint, then convert it and send it to
    the terminal.

    Diffstat:
    Mconfig.def.h | 1+
    Mst.c | 28++++++++++++++++++++++++++++

    2 files changed, 29 insertions(+), 0 deletions(-)
    diff --git a/config.def.h b/config.def.h
    @@ -172,6 +172,7 @@ static Shortcut shortcuts[] = {
     	{ MODKEY|ShiftMask,     XK_C,           clipcopy,       {.i =  0} },
     	{ MODKEY|ShiftMask,     XK_V,           clippaste,      {.i =  0} },
     	{ MODKEY,               XK_Num_Lock,    numlock,        {.i =  0} },
    +	{ MODKEY,               XK_Control_L,   iso14755,       {.i =  0} },
     };

     /*
    diff --git a/st.c b/st.c
    @@ -66,6 +66,7 @@ char *argv0;
     #define MIN(a, b)		((a) < (b) ? (a) : (b))
     #define MAX(a, b)		((a) < (b) ? (b) : (a))
     #define LEN(a)			(sizeof(a) / sizeof(a)[0])
    +#define NUMMAXLEN(x)		((int)(sizeof(x) * 2.56 + 0.5) + 1)
     #define DEFAULT(a, b)		(a) = (a) ? (a) : (b)
     #define BETWEEN(x, a, b)	((a) <= (x) && (x) <= (b))
     #define DIVCEIL(n, d)		(((n) + ((d) - 1)) / (d))
    @@ -87,6 +88,8 @@ char *argv0;
     #define TRUEGREEN(x)		(((x) & 0xff00))
     #define TRUEBLUE(x)		(((x) & 0xff) << 8)

    +/* constants */
    +#define ISO14755CMD		"dmenu -w %lu -p codepoint: </dev/null"

     enum glyph_attribute {
     	ATTR_NULL       = 0,
    @@ -338,6 +341,7 @@ static void xzoomabs(const Arg *);
     static void xzoomreset(const Arg *);
     static void printsel(const Arg *);
     static void printscreen(const Arg *) ;
    +static void iso14755(const Arg *);
     static void toggleprinter(const Arg *);
     static void sendbreak(const Arg *);

    @@ -2633,6 +2637,30 @@ tprinter(char *s, size_t len)
     }

     void
    +iso14755(const Arg *arg)
    +{
    +	char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(xw.win)];
    +	FILE *p;
    +	char *us, *e, codepoint[9], uc[UTF_SIZ];
    +	unsigned long utf32;
    +
    +	snprintf(cmd, sizeof(cmd), ISO14755CMD, xw.win);
    +	if (!(p = popen(cmd, "r")))
    +		return;
    +
    +	us = fgets(codepoint, sizeof(codepoint), p);
    +	pclose(p);
    +
    +	if (!us || *us == '\0' || *us == '-' || strlen(us) > 7)
    +		return;
    +	if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX ||
    +	    (*e != '\n' && *e != '\0'))
    +		return;
    +
    +	ttysend(uc, utf8encode(utf32, uc));
    +}
    +
    +void
     toggleprinter(const Arg *arg)
     {
     	term.mode ^= MODE_PRINT;