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Merge branch 'obsd-master'

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This commit is contained in:
Thomas Adam
2013-02-07 12:08:55 +00:00
parent fe00607816 8903c1f167
commit 64da762c15
10 changed files with 77 additions and 15 deletions
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41
grid.c
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@ -460,3 +460,44 @@ grid_duplicate_lines(
dy++;
}
}
/*
* Reflow lines from src grid into dst grid based on width sx. Returns number
* of lines fewer in the visible area, or zero.
*/
u_int
grid_reflow(struct grid *dst, const struct grid *src, u_int sx)
{
u_int px, py, line, cell;
int previous_wrapped;
struct grid_line *gl;
px = py = 0;
previous_wrapped = 1;
for (line = 0; line < src->sy + src->hsize; line++) {
gl = src->linedata + line;
if (!previous_wrapped) {
px = 0;
py++;
if (py >= dst->hsize + dst->sy)
grid_scroll_history(dst);
}
for (cell = 0; cell < gl->cellsize; cell++) {
if (px == sx) {
dst->linedata[py].flags |= GRID_LINE_WRAPPED;
px = 0;
py++;
if (py >= dst->hsize + dst->sy)
grid_scroll_history(dst);
}
grid_set_cell(dst, px, py, gl->celldata + cell);
px++;
}
previous_wrapped = gl->flags & GRID_LINE_WRAPPED;
}
py++; /* account for final line, which never wraps */
if (py > src->sy)
return (0);
return (src->sy - py);
}