void
window_copy_cursor_jump_back(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
const struct grid_cell *gc;
uint px, py;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
if (px > 0)
px--;
for (;;) {
gc = grid_peek_cell(back_s->grid, px, py);
if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0
&& gc->data == data->jumpchar) {
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
return;
}
if (px == 0)
break;
px--;
}
}
u_int
window_copy_find_length(struct window_pane *wp, u_int py)
{
const struct grid_cell *gc;
u_int px;
/*
* If the pane has been resized, its grid can contain old overlong
* lines. grid_peek_cell does not allow accessing cells beyond the
* width of the grid, and screen_write_copy treats them as spaces, so
* ignore them here too.
*/
px = wp->base.grid->linedata[py].cellsize;
if (px > screen_size_x(&wp->base))
px = screen_size_x(&wp->base);
while (px > 0) {
gc = grid_peek_cell(wp->base.grid, px - 1, py);
if (gc->flags & GRID_FLAG_UTF8)
break;
if (gc->data != ' ')
break;
px--;
}
return (px);
}
void
window_copy_cursor_jump(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
const struct grid_cell *gc;
uint px, py, xx;
px = data->cx + 1;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
while (px < xx) {
gc = grid_peek_cell(back_s->grid, px, py);
if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0
&& gc->data == data->jumpchar) {
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
return;
}
px++;
}
}
/* Convert cells into a string. */
char *
grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx)
{
const struct grid_cell *gc;
struct utf8_data ud;
char *buf;
size_t len, off;
u_int xx;
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
len = 128;
buf = xmalloc(len);
off = 0;
for (xx = px; xx < px + nx; xx++) {
gc = grid_peek_cell(gd, xx, py);
if (gc->flags & GRID_FLAG_PADDING)
continue;
grid_cell_get(gc, &ud);
while (len < off + ud.size + 1) {
buf = xrealloc(buf, 2, len);
len *= 2;
}
memcpy(buf + off, ud.data, ud.size);
off += ud.size;
}
while (off > 0 && buf[off - 1] == ' ')
off--;
buf[off] = '\0';
return (buf);
}
void
window_copy_copy_line(struct window_pane *wp,
char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
{
struct window_copy_mode_data *data = wp->modedata;
struct grid *gd = data->backing->grid;
const struct grid_cell *gc;
const struct grid_utf8 *gu;
struct grid_line *gl;
u_int i, xx, wrapped = 0;
size_t size;
if (sx > ex)
return;
/*
* Work out if the line was wrapped at the screen edge and all of it is
* on screen.
*/
gl = &gd->linedata[sy];
if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
wrapped = 1;
/* If the line was wrapped, don't strip spaces (use the full length). */
if (wrapped)
xx = gl->cellsize;
else
xx = window_copy_find_length(wp, sy);
if (ex > xx)
ex = xx;
if (sx > xx)
sx = xx;
if (sx < ex) {
for (i = sx; i < ex; i++) {
gc = grid_peek_cell(gd, i, sy);
if (gc->flags & GRID_FLAG_PADDING)
continue;
if (!(gc->flags & GRID_FLAG_UTF8)) {
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[(*off)++] = gc->data;
} else {
gu = grid_peek_utf8(gd, i, sy);
size = grid_utf8_size(gu);
*buf = xrealloc(*buf, 1, (*off) + size);
*off += grid_utf8_copy(gu, *buf + *off, size);
}
}
}
/* Only add a newline if the line wasn't wrapped. */
if (!wrapped || ex != xx) {
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[(*off)++] = '\n';
}
}
int
window_copy_in_set(struct window_pane *wp, u_int px, u_int py, const char *set)
{
const struct grid_cell *gc;
gc = grid_peek_cell(wp->base.grid, px, py);
if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
return (0);
if (gc->data == 0x00 || gc->data == 0x7f)
return (0);
return (strchr(set, gc->data) != NULL);
}
int
window_copy_search_compare(
struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx)
{
const struct grid_cell *gc, *sgc;
const struct grid_utf8 *gu, *sgu;
gc = grid_peek_cell(gd, px, py);
sgc = grid_peek_cell(sgd, spx, 0);
if ((gc->flags & GRID_FLAG_UTF8) != (sgc->flags & GRID_FLAG_UTF8))
return (0);
if (gc->flags & GRID_FLAG_UTF8) {
gu = grid_peek_utf8(gd, px, py);
sgu = grid_peek_utf8(sgd, spx, 0);
if (grid_utf8_compare(gu, sgu))
return (1);
} else {
if (gc->data == sgc->data)
return (1);
}
return (0);
}
/* Convert cells into a string. */
char *
grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx)
{
const struct grid_cell *gc;
const struct grid_utf8 *gu;
char *buf;
size_t len, off, size;
u_int xx;
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
len = 128;
buf = xmalloc(len);
off = 0;
for (xx = px; xx < px + nx; xx++) {
gc = grid_peek_cell(gd, xx, py);
if (gc->flags & GRID_FLAG_PADDING)
continue;
if (gc->flags & GRID_FLAG_UTF8) {
gu = grid_peek_utf8(gd, xx, py);
size = grid_utf8_size(gu);
while (len < off + size + 1) {
buf = xrealloc(buf, 2, len);
len *= 2;
}
off += grid_utf8_copy(gu, buf + off, len - off);
} else {
while (len < off + 2) {
buf = xrealloc(buf, 2, len);
len *= 2;
}
buf[off++] = gc->data;
}
}
while (off > 0 && buf[off - 1] == ' ')
off--;
buf[off] = '\0';
return (buf);
}
void
window_copy_cursor_back_to_indentation(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
u_int px, py, xx;
const struct grid_cell *gc;
px = 0;
py = screen_hsize(&wp->base) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
while (px < xx) {
gc = grid_peek_cell(wp->base.grid, px, py);
if (gc->flags & GRID_FLAG_UTF8)
break;
if (gc->data != ' ')
break;
px++;
}
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
/* Get cell for reading. */
const struct grid_cell *
grid_view_peek_cell(struct grid *gd, u_int px, u_int py)
{
return (grid_peek_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
}
/* Convert cells into a string. */
char *
grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx,
struct grid_cell **lastgc, int with_codes, int escape_c0, int trim)
{
const struct grid_cell *gc;
static struct grid_cell lastgc1;
struct utf8_data ud;
const char* data;
char *buf, code[128];
size_t len, off, size, codelen;
u_int xx;
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
if (lastgc != NULL && *lastgc == NULL) {
memcpy(&lastgc1, &grid_default_cell, sizeof lastgc1);
*lastgc = &lastgc1;
}
len = 128;
buf = xmalloc(len);
off = 0;
for (xx = px; xx < px + nx; xx++) {
gc = grid_peek_cell(gd, xx, py);
if (gc->flags & GRID_FLAG_PADDING)
continue;
grid_cell_get(gc, &ud);
if (with_codes) {
grid_string_cells_code(*lastgc, gc, code, sizeof code,
escape_c0);
codelen = strlen(code);
memcpy(*lastgc, gc, sizeof *gc);
} else
codelen = 0;
data = ud.data;
size = ud.size;
if (escape_c0 && size == 1 && *data == '\\') {
data = "\\\\";
size = 2;
}
while (len < off + size + codelen + 1) {
buf = xrealloc(buf, 2, len);
len *= 2;
}
if (codelen != 0) {
memcpy(buf + off, code, codelen);
off += codelen;
}
memcpy(buf + off, data, size);
off += size;
}
if (trim) {
while (off > 0 && buf[off - 1] == ' ')
off--;
}
buf[off] = '\0';
return (buf);
}