Selection snapping is now considering wrapping. - st - Simple Terminal
       
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       ---
 (DIR) commit 911ba5674bc4eb53a2ed548856a50032c39ca7f2
 (DIR) parent a53017c8b47f511cf0462ac910cf9223a31ceb2f
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Sun, 28 Apr 2013 18:14:15 +0200
       
       Selection snapping is now considering wrapping.
       
       Thanks Alexander Rezinsky <alexrez@gmail.com> for mentioning this!
       
       Diffstat:
         st.c                                |      42 ++++++++++++++++++++++++++++---
       
       1 file changed, 39 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       @@ -681,13 +681,49 @@ 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] != ' ') {
       +                for(;;) {
       +                        if(direction < 0 && *x <= 0) {
       +                                if(*y > 0 && term.line[*y - 1][term.col-1].mode
       +                                                & ATTR_WRAP) {
       +                                        *y -= 1;
       +                                        *x = term.col-1;
       +                                } else {
       +                                        break;
       +                                }
       +                        }
       +                        if(direction > 0 && *x >= term.col-1) {
       +                                if(*y < term.row-1 && term.line[*y][*x].mode
       +                                                & ATTR_WRAP) {
       +                                        *y += 1;
       +                                        *x = 0;
       +                                } else {
       +                                        break;
       +                                }
       +                        }
       +
       +                        if(term.line[*y][*x + direction].c[0] == ' ')
       +                                break;
       +
                                *x += direction;
                        }
                        break;
                case SNAP_LINE:
                        *x = (direction < 0) ? 0 : term.col - 1;
       +                if(direction < 0 && *y > 0) {
       +                        for(; *y > 0; *y += direction) {
       +                                if(!(term.line[*y-1][term.col-1].mode
       +                                                & ATTR_WRAP)) {
       +                                        break;
       +                                }
       +                        }
       +                } else if(direction > 0 && *y < term.row-1) {
       +                        for(; *y < term.row; *y += direction) {
       +                                if(!(term.line[*y][term.col-1].mode
       +                                                & ATTR_WRAP)) {
       +                                        break;
       +                                }
       +                        }
       +                }
                        break;
                default:
                        break;
       @@ -820,7 +856,7 @@ bpress(XEvent *e) {
                                sel.snap = 0;
                        }
                        selsnap(sel.snap, &sel.bx, &sel.by, -1);
       -                selsnap(sel.snap, &sel.ex, &sel.ey, 1);
       +                selsnap(sel.snap, &sel.ex, &sel.ey, +1);
                        sel.b.x = sel.bx;
                        sel.b.y = sel.by;
                        sel.e.x = sel.ex;