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termpty: handle DECERA

This commit is contained in:
Boris Faure 2017-06-05 21:04:29 +02:00
parent 9f72ea3a9d
commit bbfa60120e
1 changed files with 63 additions and 14 deletions
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77
src/bin/termptyesc.c
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@ -825,21 +825,17 @@ bad:
ty->termstate.bottom_margin = 0;
}
static void
_handle_esc_csi_decfra(Termpty *ty, Eina_Unicode **b)
static int
_clean_up_rect_coordinates(Termpty *ty,
int *top_ptr,
int *left_ptr,
int *bottom_ptr,
int *right_ptr)
{
int c = _csi_arg_get(b);
int top = _csi_arg_get(b);
int left = _csi_arg_get(b);
int bottom = _csi_arg_get(b);
int right = _csi_arg_get(b);
int len;
DBG("DECFRA (%d; %d;%d;%d;%d) Fill Rectangular Area",
c, top, left, bottom, right);
if (! ((c >= 32 && c <= 126) || (c >= 160 && c <= 255)))
return;
int top = *top_ptr;
int left = *left_ptr;
int bottom = *bottom_ptr;
int right = *right_ptr;
TERMPTY_RESTRICT_FIELD(top, 1, ty->h);
top--;
@ -871,6 +867,33 @@ _handle_esc_csi_decfra(Termpty *ty, Eina_Unicode **b)
bottom--;
if ((bottom < top) || (right < left))
return -1;
*top_ptr = top;
*left_ptr = left;
*bottom_ptr = bottom;
*right_ptr = right;
return 0;
}
static void
_handle_esc_csi_decfra(Termpty *ty, Eina_Unicode **b)
{
int c = _csi_arg_get(b);
int top = _csi_arg_get(b);
int left = _csi_arg_get(b);
int bottom = _csi_arg_get(b);
int right = _csi_arg_get(b);
int len;
DBG("DECFRA (%d; %d;%d;%d;%d) Fill Rectangular Area",
c, top, left, bottom, right);
if (! ((c >= 32 && c <= 126) || (c >= 160 && c <= 255)))
return;
if (_clean_up_rect_coordinates(ty, &top, &left, &bottom, &right) < 0)
return;
len = right - left;
@ -882,6 +905,29 @@ _handle_esc_csi_decfra(Termpty *ty, Eina_Unicode **b)
}
}
static void
_handle_esc_csi_decera(Termpty *ty, Eina_Unicode **b)
{
int top = _csi_arg_get(b);
int left = _csi_arg_get(b);
int bottom = _csi_arg_get(b);
int right = _csi_arg_get(b);
int len;
DBG("DECERA (%d;%d;%d;%d) Erase Rectangular Area",
top, left, bottom, right);
if (_clean_up_rect_coordinates(ty, &top, &left, &bottom, &right) < 0)
return;
len = right - left;
for (; top <= bottom; top++)
{
Termcell *cells = &(TERMPTY_SCREEN(ty, left, top));
termpty_cells_clear(ty, cells, len);
}
}
static void
_handle_esc_csi_cursor_pos_set(Termpty *ty, Eina_Unicode **b,
const Eina_Unicode *cc)
@ -1296,6 +1342,9 @@ _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, ty->w);
}
break;
case 'z':
_handle_esc_csi_decera(ty, &b);
break;
case 'I':
arg = _csi_arg_get(&b);
TERMPTY_RESTRICT_FIELD(arg, 1, ty->w);