# st

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    commit 4018b2c5075c1cab603ca137ef5f6d68b9cee483
    parent ddd429ea2478beeb7d17d9b548abd9173049dcc6
    Author: Christoph Lohmann <20h@r-36.net>
    Date:   Sat, 13 Apr 2013 08:48:17 +0200

    Making the copy and pasting consistent.

    The copying and pasting in the terminald and GUI world is flawed. Due to the
    discussion on the mailinglist it seems that sending '\n' is what GUIs expect
    and '\r' what terminal applications want. St now implements that behaviour.

    Diffstat:
    Mst.c | 35+++++++++++++++++++++++++++++++----

    1 file changed, 31 insertions(+), 4 deletions(-)
    diff --git a/st.c b/st.c
    @@ -788,9 +788,18 @@ selcopy(void) {
     				memcpy(ptr, p, size);
     				ptr += size;
     			}
    -			/* \n at the end of every selected line except for the last one */
    +
    +			/*
    +			 * Copy and pasting of line endings is inconsistent
    +			 * in the inconsistent terminal and GUI world.
    +			 * The best solution seems like to produce '\n' when
    +			 * something is copied from st and convert '\n' to
    +			 * '\r', when something to be pasted is received by
    +			 * st.
    +			 * FIXME: Fix the computer world.
    +			 */
     			if(is_selected && y < sel.e.y)
    -				*ptr++ = '\r';
    +				*ptr++ = '\n';
     		}
     		*ptr = 0;
     	}
    @@ -801,7 +810,7 @@ void
     selnotify(XEvent *e) {
     	ulong nitems, ofs, rem;
     	int format;
    -	uchar *data;
    +	uchar *data, *last, *repl;
     	Atom type;

     	ofs = 0;
    @@ -812,7 +821,25 @@ selnotify(XEvent *e) {
     			fprintf(stderr, "Clipboard allocation failed\n");
     			return;
     		}
    -		ttywrite((const char *) data, nitems * format / 8);
    +
    +		/*
    +		 * As seen in selcopy:
    +		 * Line endings are inconsistent in the terminal and GUI world
    +		 * copy and pasting. When receiving some selection data,
    +		 * replace all '\n' with '\r'.
    +		 * FIXME: Fix the computer world.
    +		 */
    +		repl = data;
    +		last = data + nitems * format / 8;
    +		while((repl = memchr(repl, '\n', last - repl))) {
    +			*repl++ = '\r';
    +		}
    +
    +		last = data + nitems * format / 8;
    +		repl = data;
    +
    +
    +		ttywrite((const char *)data, nitems * format / 8);
     		XFree(data);
     		/* number of 32-bit chunks returned */
     		ofs += nitems * format / 32;