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When clearing the entire screen, clear lines that are used into the

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history like xterm does. Requested ages ago by someone I've forgotten.
This commit is contained in:
Nicholas Marriott
2011-01-25 23:40:26 +00:00
parent 1270f8fed8
commit ecc22c521d
3 changed files with 40 additions and 4 deletions
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24
grid-view.c
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@ -74,6 +74,30 @@ grid_view_set_utf8(
grid_set_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py), gu);
}
/* Clear into history. */
void
grid_view_clear_history(struct grid *gd)
{
struct grid_line *gl;
u_int yy, last;
GRID_DEBUG(gd, "");
/* Find the last used line. */
last = 0;
for (yy = 0; yy < gd->sy; yy++) {
gl = &gd->linedata[grid_view_y(gd, yy)];
if (gl->cellsize != 0 || gl->utf8size != 0)
last = yy + 1;
}
if (last == 0)
return;
/* Scroll the lines into the history. */
for (yy = 0; yy < last; yy++)
grid_scroll_history(gd);
}
/* Clear area. */
void
grid_view_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)