// doing this twice should be like a nop
void invert_screen(termstate_t *term)
{
int x, y;
int fg, bg, in;
// swap fg and bg for all chars
for (y = 0; y < term->phys_h; y++)
for (x = 0; x < term->w; x++)
{
unpack_attribs(term->attrib[xy2index(term, x, y)],
&fg, &bg, &in);
term->attrib[xy2index(term, x, y)] = pack_attribs(bg, fg, in);
}
}
void csi_m(termstate_t * term)
{
int i;
int fg, bg, in;
for (i = 0; i <= term->used_par; i++)
{
switch (term->par[i])
{
// more cases here
case 0: // clear attributes
term->attrib_mode = pack_attribs(DEFAULT_FG, DEFAULT_BG, 1);
term->inverse = 0;
break;
case 1: // bold
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(fg, bg, 2);
break;
case 2: // dimmed
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(fg, bg, 0);
break;
case 5: // blink
// we dont support blink, currently
// term->blink = 1;
break;
case 7: // inverse
if (term->inverse == 0)
{ // flip colors
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(bg, fg, in);
}
term->inverse = 1;
break;
case 21:
case 22: // forget bold
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(fg, bg, 1);
break;
case 27: // forget inverse
if (term->inverse == 1)
{ // flip colors back
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(bg, fg, in);
}
term->inverse = 0;
break;
default:
if (term->par[i] >= 30 && term->par[i] <= 37)
{
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(term->par[i] - 30, bg, in);
}
else if (term->par[i] >= 40 && term->par[i] <= 47)
{
unpack_attribs(term->attrib_mode, &fg, &bg, &in);
term->attrib_mode = pack_attribs(fg, term->par[i] - 40, in);
}
break;
}
}
}
/* init. a termstate, does not malloc term->spec,
* but term->text and term->attrib.
*/
int vt100_init(termstate_t * term, int w, int h, int hist)
{
term->w = w;
term->echo = 1;
term->autorepeat = 1;
term->autowrap = 1;
term->term_mode = VT100MODE_COOKED;
term->origin_mode = VT100_ORIGIN_GLOBAL;
term->insert_mode = 0;
term->keylist_next_write= 0;
term->keylist_next_read = 0;
// term->key_pending = 0;
// term->__key_init = 0;
vt100_semaphore_init(&term->keysem, 0);
vt100_semaphore_init(&term->keybufsem, 1);
vt100_semaphore_init(&term->termsem, 1);
term->__shift = 0;
term->__alt = 0;
term->__altgr = 0;
term->__ctrl = 0;
term->__keydown = 0;
term->returns = 0;
term->hist_len = 0;
term->phys_h = h;
term->virt_h = term->phys_h + hist;
term->phys_off = 0;
term->vis_off = 0;
term->cur_x = 0;
term->cur_y = 0;
term->attrib_mode = pack_attribs(DEFAULT_FG, DEFAULT_BG, 1);
term->inverse = 0;
term->decscnm = 0;
term->esc_state = ESnormal;
term->used_par = 0;
term->cursor_vis = 1;
term->cur_stored_x = 0;
term->cur_stored_y = 0;
term->cur_stored_attr = term->attrib_mode;
term->newline = 1;
term->ques = 0;
term->scroll_top = 0;
term->scroll_bottom = term->phys_h - 1;
term->tab_last = -1;
#if VT100_USE_SELECT
term->select_list = NULL;
#endif
//LOG("cols:%d, lines:%d, hist:%d", term->w, term->phys_h, hist);
free(term->text);
term->text = malloc(term->w * term->virt_h);
if (! term->text)
{
return -1;
}
memset(term->text, ' ', term->w * term->virt_h);
free(term->attrib);
term->attrib = malloc(term->w * term->virt_h);
if (! term->attrib)
{
free(term->text);
return -2;
}
memset(term->attrib, term->attrib_mode, term->w * term->virt_h);
return 0;
}
