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Allow negative numbers in CSI codes

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Kovid Goyal
2021-01-21 07:06:43 +05:30
parent 7cea233de3
commit f9844ba3b0
6 changed files with 56 additions and 25 deletions
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10
kitty/cursor.c
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@@ -47,7 +47,7 @@ cursor_reset_display_attrs(Cursor *self) {
static inline void
parse_color(unsigned int *params, unsigned int *i, unsigned int count, uint32_t *result) {
parse_color(int *params, unsigned int *i, unsigned int count, uint32_t *result) {
unsigned int attr;
uint8_t r, g, b;
if (*i < count) {
@@ -73,7 +73,7 @@ parse_color(unsigned int *params, unsigned int *i, unsigned int count, uint32_t
void
cursor_from_sgr(Cursor *self, unsigned int *params, unsigned int count) {
cursor_from_sgr(Cursor *self, int *params, unsigned int count) {
#define SET_COLOR(which) { parse_color(params, &i, count, &self->which); } break;
START_ALLOW_CASE_RANGE
unsigned int i = 0, attr;
@@ -90,7 +90,7 @@ START_ALLOW_CASE_RANGE
case 3:
self->italic = true; break;
case 4:
if (i < count) { self->decoration = MIN(3u, params[i]); i++; }
if (i < count) { self->decoration = MIN(3, params[i]); i++; }
else self->decoration = 1;
break;
case 7:
@@ -136,7 +136,7 @@ END_ALLOW_CASE_RANGE
}
void
apply_sgr_to_cells(GPUCell *first_cell, unsigned int cell_count, unsigned int *params, unsigned int count) {
apply_sgr_to_cells(GPUCell *first_cell, unsigned int cell_count, int *params, unsigned int count) {
#define RANGE for(unsigned c = 0; c < cell_count; c++, cell++)
#define SET(shift) RANGE { cell->attrs |= (1 << shift); } break;
#define RESET(shift) RANGE { cell->attrs &= ~(1 << shift); } break;
@@ -161,7 +161,7 @@ apply_sgr_to_cells(GPUCell *first_cell, unsigned int cell_count, unsigned int *p
case 3:
SET(ITALIC_SHIFT);
case 4:
if (i < count) { uint8_t val = MIN(3u, params[i]); i++; SETM(val, DECORATION_MASK, DECORATION_SHIFT); }
if (i < count) { uint8_t val = MIN(3, params[i]); i++; SETM(val, DECORATION_MASK, DECORATION_SHIFT); }
else { SETM(1, DECORATION_MASK, DECORATION_SHIFT); }
case 7:
SET(REVERSE_SHIFT);