Adding wrap handling in selection. - st - Personal fork of st
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       ---
 (DIR) commit b596d6ba3c50bc379adc298a4e2ba7c122b116ab
 (DIR) parent 872a7f18eaffd96eefb31e3dcb45fd86bc67029b
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Sun, 21 Apr 2013 13:01:16 +0200
       
       Adding wrap handling in selection.
       
       Diffstat:
         M st.c                                |      37 +++++++++++++++++++------------
       
       1 file changed, 23 insertions(+), 14 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       @@ -85,6 +85,7 @@ enum glyph_attribute {
                ATTR_GFX       = 8,
                ATTR_ITALIC    = 16,
                ATTR_BLINK     = 32,
       +        ATTR_WRAP      = 64,
        };
        
        enum cursor_movement {
       @@ -668,17 +669,15 @@ void
        selsnap(int mode, int *x, int *y, int direction) {
                switch(mode) {
                case SNAP_WORD:
       -                while(*x > 0 && *x < term.col-1 && term.line[*y][*x + direction].c[0] != ' ') {
       +                while(*x > 0 && *x < term.col-1
       +                                && term.line[*y][*x + direction].c[0] != ' ') {
                                *x += direction;
                        }
                        break;
       -
                case SNAP_LINE:
                        *x = (direction < 0) ? 0 : term.col - 1;
                        break;
       -        
                default:
       -                /* do nothing */
                        break;
                }
        }
       @@ -771,6 +770,7 @@ bpress(XEvent *e) {
                        mousereport(e);
                } else if(e->xbutton.button == Button1) {
                        gettimeofday(&now, NULL);
       +
                        /* Clear previous selection, logically and visually. */
                        if(sel.bx != -1) {
                                sel.bx = -1;
       @@ -781,14 +781,15 @@ bpress(XEvent *e) {
                        sel.type = SEL_REGULAR;
                        sel.ex = sel.bx = x2col(e->xbutton.x);
                        sel.ey = sel.by = y2row(e->xbutton.y);
       +
                        /*
                         * Snap handling.
                         * If user clicks are fasst enough (e.g. below timeouts),
       -                 * we ignore if his hand slipped left or down and accidentally selected more;
       -                 * we are just snapping to whatever we're snapping.
       +                 * we ignore if his hand slipped left or down and accidentally
       +                 * selected more; we are just snapping to whatever we're
       +                 * snapping.
                         */
                        if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
       -                        /* Snap to line */
                                sel.snap = SNAP_LINE;
                        } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
                                sel.snap = SNAP_WORD;
       @@ -797,8 +798,15 @@ bpress(XEvent *e) {
                        }
                        selsnap(sel.snap, &sel.bx, &sel.by, -1);
                        selsnap(sel.snap, &sel.ex, &sel.ey, 1);
       -                sel.b.x = sel.bx, sel.b.y = sel.by, sel.e.x = sel.ex, sel.e.y = sel.ey;
       -                /* Draw selection, unless it's regular and we don't want to make clicks visible */
       +                sel.b.x = sel.bx;
       +                sel.b.y = sel.by;
       +                sel.e.x = sel.ex;
       +                sel.e.y = sel.ey;
       +
       +                /*
       +                 * Draw selection, unless it's regular and we don't want to
       +                 * make clicks visible
       +                 */
                        if (sel.snap != 0) {
                                tsetdirt(sel.b.y, sel.e.y);
                                draw();
       @@ -834,9 +842,8 @@ selcopy(void) {
                                        /* nothing */;
        
                                for(x = 0; gp <= last; x++, ++gp) {
       -                                if(!selected(x, y)) {
       +                                if(!selected(x, y))
                                                continue;
       -                                }
        
                                        size = utf8size(gp->c);
                                        memcpy(ptr, gp->c, size);
       @@ -852,7 +859,7 @@ selcopy(void) {
                                 * st.
                                 * FIXME: Fix the computer world.
                                 */
       -                        if(y < sel.e.y)
       +                        if(y < sel.e.y && !((gp-1)->mode & ATTR_WRAP))
                                        *ptr++ = '\n';
                        }
                        *ptr = 0;
       @@ -2266,8 +2273,10 @@ tputc(char *c, int len) {
                        return;
                if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
                        sel.bx = -1;
       -        if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
       -                tnewline(1); /* always go to first col */
       +        if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
       +                term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
       +                tnewline(1);
       +        }
        
                if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
                        memmove(&term.line[term.c.y][term.c.x+1],