# st

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    commit 384fabdb5b2ac6c700a974a7fac539c8c14107f6
    parent deb720af7fe480b03c881818e79164817ce6f85f
    Author: Christoph Lohmann <20h@r-36.net>
    Date:   Sat, 26 Jan 2013 15:13:56 +0100

    Adding extended mouse reporting in st.

    Thanks Egmont Koblinger <egmont@gmail.com>!

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

    1 file changed, 26 insertions(+), 9 deletions(-)
    diff --git a/st.c b/st.c
    @@ -117,7 +117,8 @@ enum term_mode {
     	MODE_KBDLOCK     = 256,
     	MODE_HIDE	 = 512,
     	MODE_ECHO	 = 1024,
    -	MODE_APPCURSOR	 = 2048
    +	MODE_APPCURSOR	 = 2048,
    +	MODE_MOUSESGR    = 4096,
     };

     enum escape_state {
    @@ -666,11 +667,10 @@ getbuttoninfo(XEvent *e) {

     void
     mousereport(XEvent *e) {
    -	int x = x2col(e->xbutton.x);
    -	int y = y2row(e->xbutton.y);
    -	int button = e->xbutton.button;
    -	int state = e->xbutton.state;
    -	char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
    +	int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
    +	    button = e->xbutton.button, state = e->xbutton.state,
    +	    len;
    +	char buf[40];
     	static int ob, ox, oy;

     	/* from urxvt */
    @@ -679,7 +679,9 @@ mousereport(XEvent *e) {
     			return;
     		button = ob + 32;
     		ox = x, oy = y;
    -	} else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
    +	} else if(!IS_SET(MODE_MOUSESGR)
    +			&& (e->xbutton.type == ButtonRelease
    +				|| button == AnyButton)) {
     		button = 3;
     	} else {
     		button -= Button1;
    @@ -691,11 +693,23 @@ mousereport(XEvent *e) {
     		}
     	}

    -	buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
    +	button += (state & ShiftMask   ? 4  : 0)
     		+ (state & Mod4Mask    ? 8  : 0)
     		+ (state & ControlMask ? 16 : 0);

    -	ttywrite(buf, sizeof(buf));
    +	len = 0;
    +	if(IS_SET(MODE_MOUSESGR)) {
    +		len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
    +				button, x+1, y+1,
    +				e->xbutton.type == ButtonRelease ? 'm' : 'M');
    +	} else if(x < 223 && y < 223) {
    +		len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
    +				32+button, 32+x+1, 32+y+1);
    +	} else {
    +		return;
    +	}
    +
    +	ttywrite(buf, len);
     }

     void
    @@ -1547,6 +1561,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
     			case 1002:
     				MODBIT(term.mode, set, MODE_MOUSEMOTION);
     				break;
    +			case 1006:
    +				MODBIT(term.mode, set, MODE_MOUSESGR);
    +				break;
     			case 1049: /* = 1047 and 1048 */
     			case 47:
     			case 1047: {