Proxmox/spiceterm
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iimplement efficient clear screen

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This commit is contained in:
Dietmar Maurer 2013-10-09 11:32:12 +02:00
parent 37c2d30fb2
commit e420a6d91d
1 changed files with 23 additions and 5 deletions
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28
spiceterm.c
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@ -203,6 +203,28 @@ spiceterm_refresh(spiceTerm *vt)
spiceterm_show_cursor(vt, 1);
}
static void
spiceterm_clear_screen(spiceTerm *vt)
{
int x, y;
for (y = 0; y <= vt->height; y++) {
int y1 = (vt->y_base + y) % vt->total_height;
TextCell *c = &vt->cells[y1 * vt->width];
for (x = 0; x < vt->width; x++) {
c->ch = ' ';
c->attrib = vt->default_attrib;
c->attrib.fgcol = vt->cur_attrib.fgcol;
c->attrib.bgcol = vt->cur_attrib.bgcol;
c++;
}
}
spice_screen_clear(vt->screen, 0, 0, vt->screen->primary_width,
vt->screen->primary_height);
}
void
spiceterm_unselect_all(spiceTerm *vt)
{
@ -922,11 +944,7 @@ spiceterm_putchar(spiceTerm *vt, gunichar2 ch)
break;
case 2:
/* clear entire screen */
for (y = 0; y <= vt->height; y++) {
for (x = 0; x < vt->width; x++) {
spiceterm_clear_xy(vt, x, y);
}
}
spiceterm_clear_screen(vt);
break;
}
break;