/* Write character. */
void
screen_write_putc(struct screen_write_ctx *ctx, struct grid_cell *gc,
u_char ch)
{
grid_cell_one(gc, ch);
screen_write_cell(ctx, gc);
}
/* Output this character to the screen. */
int
input_print(struct input_ctx *ictx)
{
grid_cell_one(&ictx->cell, ictx->ch);
screen_write_cell(&ictx->ctx, &ictx->cell);
return (0);
}
/* Output this character to the screen. */
int
input_print(struct input_ctx *ictx)
{
ictx->cell.data = ictx->ch;
screen_write_cell(&ictx->ctx, &ictx->cell, NULL);
return (0);
}
/* Write character. */
void
screen_write_putc(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
u_char ch)
{
struct grid_cell gc;
memcpy(&gc, gcp, sizeof gc);
utf8_set(&gc.data, ch);
screen_write_cell(ctx, &gc);
}
void
screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
struct grid_cell *gc, const char *fmt, va_list ap)
{
char *msg;
struct utf8_data ud;
u_char *ptr;
size_t left, size = 0;
enum utf8_state more;
xvasprintf(&msg, fmt, ap);
ptr = msg;
while (*ptr != '\0') {
if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
ptr++;
left = strlen(ptr);
if (left < (size_t)ud.size - 1)
break;
while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
ptr++;
ptr++;
if (more == UTF8_DONE) {
if (maxlen > 0 &&
size + ud.width > (size_t) maxlen) {
while (size < (size_t) maxlen) {
screen_write_putc(ctx, gc, ' ');
size++;
}
break;
}
size += ud.width;
utf8_copy(&gc->data, &ud);
screen_write_cell(ctx, gc);
}
} else {
if (maxlen > 0 && size + 1 > (size_t) maxlen)
break;
if (*ptr == '\001')
gc->attr ^= GRID_ATTR_CHARSET;
else if (*ptr > 0x1f && *ptr < 0x7f) {
size++;
screen_write_putc(ctx, gc, *ptr);
}
ptr++;
}
}
free(msg);
}
void
screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
const struct grid_cell *gcp, const char *fmt, va_list ap)
{
struct grid_cell gc;
struct utf8_data *ud = &gc.data;
char *msg;
u_char *ptr;
size_t left, size = 0;
enum utf8_state more;
memcpy(&gc, gcp, sizeof gc);
xvasprintf(&msg, fmt, ap);
ptr = msg;
while (*ptr != '\0') {
if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
ptr++;
left = strlen(ptr);
if (left < (size_t)ud->size - 1)
break;
while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
ptr++;
ptr++;
if (more != UTF8_DONE)
continue;
if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
while (size < (size_t)maxlen) {
screen_write_putc(ctx, &gc, ' ');
size++;
}
break;
}
size += ud->width;
screen_write_cell(ctx, &gc);
} else {
if (maxlen > 0 && size + 1 > (size_t)maxlen)
break;
if (*ptr == '\001')
gc.attr ^= GRID_ATTR_CHARSET;
else if (*ptr > 0x1f && *ptr < 0x7f) {
size++;
screen_write_putc(ctx, &gc, *ptr);
}
ptr++;
}
}
free(msg);
}
/* Close UTF-8 string. */
int
input_utf8_close(struct input_ctx *ictx)
{
log_debug("%s", __func__);
utf8_append(&ictx->utf8data, ictx->ch);
grid_cell_set(&ictx->cell, &ictx->utf8data);
screen_write_cell(&ictx->ctx, &ictx->cell);
return (0);
}
void
screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
struct grid_cell *gc, int utf8flag, const char *fmt, va_list ap)
{
char *msg;
struct utf8_data utf8data;
u_char *ptr;
size_t left, size = 0;
xvasprintf(&msg, fmt, ap);
ptr = msg;
while (*ptr != '\0') {
if (utf8flag && *ptr > 0x7f && utf8_open(&utf8data, *ptr)) {
ptr++;
left = strlen(ptr);
if (left < utf8data.size - 1)
break;
while (utf8_append(&utf8data, *ptr))
ptr++;
ptr++;
if (maxlen > 0 &&
size + utf8data.width > (size_t) maxlen) {
while (size < (size_t) maxlen) {
screen_write_putc(ctx, gc, ' ');
size++;
}
break;
}
size += utf8data.width;
gc->flags |= GRID_FLAG_UTF8;
screen_write_cell(ctx, gc, &utf8data);
gc->flags &= ~GRID_FLAG_UTF8;
} else {
if (maxlen > 0 && size + 1 > (size_t) maxlen)
break;
if (*ptr == '\001')
gc->attr ^= GRID_ATTR_CHARSET;
else {
size++;
screen_write_putc(ctx, gc, *ptr);
}
ptr++;
}
}
free(msg);
}
/* Close UTF-8 string. */
int
input_utf8_close(struct input_ctx *ictx)
{
log_debug("%s", __func__);
utf8_append(&ictx->utf8data, ictx->ch);
ictx->cell.flags |= GRID_FLAG_UTF8;
screen_write_cell(&ictx->ctx, &ictx->cell, &ictx->utf8data);
ictx->cell.flags &= ~GRID_FLAG_UTF8;
return (0);
}
/* Copy from another screen. */
void
screen_write_copy(struct screen_write_ctx *ctx,
struct screen *src, u_int px, u_int py, u_int nx, u_int ny)
{
struct screen *s = ctx->s;
struct grid *gd = src->grid;
struct grid_line *gl;
const struct grid_cell *gc;
struct utf8_data ud;
u_int xx, yy, cx, cy, ax, bx;
cx = s->cx;
cy = s->cy;
for (yy = py; yy < py + ny; yy++) {
gl = &gd->linedata[yy];
if (yy < gd->hsize + gd->sy) {
/*
* Find start and end position and copy between
* them. Limit to the real end of the line then use a
* clear EOL only if copying to the end, otherwise
* could overwrite whatever is there already.
*/
if (px > gl->cellsize)
ax = gl->cellsize;
else
ax = px;
if (px + nx == gd->sx && px + nx > gl->cellsize)
bx = gl->cellsize;
else
bx = px + nx;
for (xx = ax; xx < bx; xx++) {
if (xx >= gl->cellsize)
gc = &grid_default_cell;
else
gc = &gl->celldata[xx];
grid_cell_get(gc, &ud);
screen_write_cell(ctx, gc);
}
if (px + nx == gd->sx && px + nx > gl->cellsize)
screen_write_clearendofline(ctx);
} else
screen_write_clearline(ctx);
cy++;
screen_write_cursormove(ctx, cx, cy);
}
}
/* Output this character to the screen. */
int
input_print(struct input_ctx *ictx)
{
int set;
set = ictx->cell.set == 0 ? ictx->cell.g0set : ictx->cell.g1set;
if (set == 1)
ictx->cell.cell.attr |= GRID_ATTR_CHARSET;
else
ictx->cell.cell.attr &= ~GRID_ATTR_CHARSET;
grid_cell_one(&ictx->cell.cell, ictx->ch);
screen_write_cell(&ictx->ctx, &ictx->cell.cell);
ictx->cell.cell.attr &= ~GRID_ATTR_CHARSET;
return (0);
}
/* Copy from another screen. */
void
screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
u_int py, u_int nx, u_int ny)
{
struct screen *s = ctx->s;
struct grid *gd = src->grid;
struct grid_cell gc;
u_int xx, yy, cx, cy;
cx = s->cx;
cy = s->cy;
for (yy = py; yy < py + ny; yy++) {
for (xx = px; xx < px + nx; xx++) {
grid_get_cell(gd, xx, yy, &gc);
screen_write_cell(ctx, &gc);
}
cy++;
screen_write_cursormove(ctx, cx, cy);
}
}
/* Write string, similar to nputs, but with embedded formatting (#[]). */
void
screen_write_cnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
const struct grid_cell *gcp, const char *fmt, ...)
{
struct grid_cell gc;
struct utf8_data *ud = &gc.data;
va_list ap;
char *msg;
u_char *ptr, *last;
size_t left, size = 0;
enum utf8_state more;
memcpy(&gc, gcp, sizeof gc);
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
ptr = msg;
while (*ptr != '\0') {
if (ptr[0] == '#' && ptr[1] == '[') {
ptr += 2;
last = ptr + strcspn(ptr, "]");
if (*last == '\0') {
/* No ]. Not much point in doing anything. */
break;
}
*last = '\0';
style_parse(gcp, &gc, ptr);
ptr = last + 1;
continue;
}
if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
ptr++;
left = strlen(ptr);
if (left < (size_t)ud->size - 1)
break;
while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
ptr++;
ptr++;
if (more != UTF8_DONE)
continue;
if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
while (size < (size_t)maxlen) {
screen_write_putc(ctx, &gc, ' ');
size++;
}
break;
}
size += ud->width;
screen_write_cell(ctx, &gc);
} else {
if (maxlen > 0 && size + 1 > (size_t)maxlen)
break;
if (*ptr > 0x1f && *ptr < 0x7f) {
size++;
screen_write_putc(ctx, &gc, *ptr);
}
ptr++;
}
}
free(msg);
}
/* Write string, similar to nputs, but with embedded formatting (#[]). */
void printflike5
screen_write_cnputs(struct screen_write_ctx *ctx,
ssize_t maxlen, struct grid_cell *gc, int utf8flag, const char *fmt, ...)
{
struct grid_cell lgc;
struct utf8_data utf8data;
va_list ap;
char *msg;
u_char *ptr, *last;
size_t left, size = 0;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
memcpy(&lgc, gc, sizeof lgc);
ptr = msg;
while (*ptr != '\0') {
if (ptr[0] == '#' && ptr[1] == '[') {
ptr += 2;
last = ptr + strcspn(ptr, "]");
if (*last == '\0') {
/* No ]. Not much point in doing anything. */
break;
}
*last = '\0';
screen_write_parsestyle(gc, &lgc, ptr);
ptr = last + 1;
continue;
}
if (utf8flag && *ptr > 0x7f && utf8_open(&utf8data, *ptr)) {
ptr++;
left = strlen(ptr);
if (left < utf8data.size - 1)
break;
while (utf8_append(&utf8data, *ptr))
ptr++;
ptr++;
if (maxlen > 0 &&
size + utf8data.width > (size_t) maxlen) {
while (size < (size_t) maxlen) {
screen_write_putc(ctx, gc, ' ');
size++;
}
break;
}
size += utf8data.width;
lgc.flags |= GRID_FLAG_UTF8;
screen_write_cell(ctx, &lgc, &utf8data);
lgc.flags &= ~GRID_FLAG_UTF8;
} else {
if (maxlen > 0 && size + 1 > (size_t) maxlen)
break;
size++;
screen_write_putc(ctx, &lgc, *ptr);
ptr++;
}
}
free(msg);
}
