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-rw-r--r--grid.c160
1 files changed, 117 insertions, 43 deletions
diff --git a/grid.c b/grid.c
index 1109ac5..edada81 100644
--- a/grid.c
+++ b/grid.c
@@ -37,7 +37,7 @@
/* Default grid cell data. */
const struct grid_cell grid_default_cell = {
- { { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 0
+ { { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 8, 0
};
/*
@@ -45,15 +45,15 @@ const struct grid_cell grid_default_cell = {
* appears in the grid - because of this, they are always extended cells.
*/
static const struct grid_cell grid_padding_cell = {
- { { '!' }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 8, 8, 0
+ { { '!' }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 8, 8, 8, 0
};
/* Cleared grid cell data. */
static const struct grid_cell grid_cleared_cell = {
- { { ' ' }, 0, 1, 1 }, 0, GRID_FLAG_CLEARED, 8, 8, 0
+ { { ' ' }, 0, 1, 1 }, 0, GRID_FLAG_CLEARED, 8, 8, 8, 0
};
static const struct grid_cell_entry grid_cleared_entry = {
- GRID_FLAG_CLEARED, { .data = { 0, 8, 8, ' ' } }
+ { .data = { 0, 8, 8, ' ' } }, GRID_FLAG_CLEARED
};
/* Store cell in entry. */
@@ -90,6 +90,8 @@ grid_need_extended_cell(const struct grid_cell_entry *gce,
return (1);
if (gc->us != 0) /* only supports 256 or RGB */
return (1);
+ if (gc->link != 0)
+ return (1);
return (0);
}
@@ -131,6 +133,7 @@ grid_extended_cell(struct grid_line *gl, struct grid_cell_entry *gce,
gee->fg = gc->fg;
gee->bg = gc->bg;
gee->us = gc->us;
+ gee->link = gc->link;
return (gee);
}
@@ -231,6 +234,8 @@ grid_cells_look_equal(const struct grid_cell *gc1, const struct grid_cell *gc2)
return (0);
if (gc1->attr != gc2->attr || gc1->flags != gc2->flags)
return (0);
+ if (gc1->link != gc2->link)
+ return (0);
return (1);
}
@@ -399,6 +404,7 @@ grid_scroll_history(struct grid *gd, u_int bg)
gd->hscrolled++;
grid_compact_line(&gd->linedata[gd->hsize]);
+ gd->linedata[gd->hsize].time = current_time;
gd->hsize++;
}
@@ -438,6 +444,7 @@ grid_scroll_history_region(struct grid *gd, u_int upper, u_int lower, u_int bg)
/* Move the line into the history. */
memcpy(gl_history, gl_upper, sizeof *gl_history);
+ gl_history->time = current_time;
/* Then move the region up and clear the bottom line. */
memmove(gl_upper, gl_upper + 1, (lower - upper) * sizeof *gl_upper);
@@ -507,6 +514,7 @@ grid_get_cell1(struct grid_line *gl, u_int px, struct grid_cell *gc)
gc->fg = gee->fg;
gc->bg = gee->bg;
gc->us = gee->us;
+ gc->link = gee->link;
utf8_to_data(gee->data, &gc->data);
}
return;
@@ -520,8 +528,9 @@ grid_get_cell1(struct grid_line *gl, u_int px, struct grid_cell *gc)
gc->bg = gce->data.bg;
if (gce->flags & GRID_FLAG_BG256)
gc->bg |= COLOUR_FLAG_256;
- gc->us = 0;
+ gc->us = 8;
utf8_set(&gc->data, gce->data.data);
+ gc->link = 0;
}
/* Get cell for reading. */
@@ -852,28 +861,60 @@ grid_string_cells_us(const struct grid_cell *gc, int *values)
/* Add on SGR code. */
static void
grid_string_cells_add_code(char *buf, size_t len, u_int n, int *s, int *newc,
- int *oldc, size_t nnewc, size_t noldc, int escape_c0)
+ int *oldc, size_t nnewc, size_t noldc, int flags)
{
u_int i;
char tmp[64];
-
- if (nnewc != 0 &&
- (nnewc != noldc ||
- memcmp(newc, oldc, nnewc * sizeof newc[0]) != 0 ||
- (n != 0 && s[0] == 0))) {
- if (escape_c0)
- strlcat(buf, "\\033[", len);
+ int reset = (n != 0 && s[0] == 0);
+
+ if (nnewc == 0)
+ return; /* no code to add */
+ if (!reset &&
+ nnewc == noldc &&
+ memcmp(newc, oldc, nnewc * sizeof newc[0]) == 0)
+ return; /* no reset and colour unchanged */
+ if (reset && (newc[0] == 49 || newc[0] == 39))
+ return; /* reset and colour default */
+
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
+ strlcat(buf, "\\033[", len);
+ else
+ strlcat(buf, "\033[", len);
+ for (i = 0; i < nnewc; i++) {
+ if (i + 1 < nnewc)
+ xsnprintf(tmp, sizeof tmp, "%d;", newc[i]);
else
- strlcat(buf, "\033[", len);
- for (i = 0; i < nnewc; i++) {
- if (i + 1 < nnewc)
- xsnprintf(tmp, sizeof tmp, "%d;", newc[i]);
- else
- xsnprintf(tmp, sizeof tmp, "%d", newc[i]);
- strlcat(buf, tmp, len);
- }
- strlcat(buf, "m", len);
+ xsnprintf(tmp, sizeof tmp, "%d", newc[i]);
+ strlcat(buf, tmp, len);
}
+ strlcat(buf, "m", len);
+}
+
+static int
+grid_string_cells_add_hyperlink(char *buf, size_t len, const char *id,
+ const char *uri, int flags)
+{
+ char *tmp;
+
+ if (strlen(uri) + strlen(id) + 17 >= len)
+ return (0);
+
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
+ strlcat(buf, "\\033]8;", len);
+ else
+ strlcat(buf, "\033]8;", len);
+ if (*id != '\0') {
+ xasprintf(&tmp, "id=%s;", id);
+ strlcat(buf, tmp, len);
+ free(tmp);
+ } else
+ strlcat(buf, ";", len);
+ strlcat(buf, uri, len);
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
+ strlcat(buf, "\\033\\\\", len);
+ else
+ strlcat(buf, "\033\\", len);
+ return (1);
}
/*
@@ -882,14 +923,16 @@ grid_string_cells_add_code(char *buf, size_t len, u_int n, int *s, int *newc,
*/
static void
grid_string_cells_code(const struct grid_cell *lastgc,
- const struct grid_cell *gc, char *buf, size_t len, int escape_c0)
+ const struct grid_cell *gc, char *buf, size_t len, int flags,
+ struct screen *sc, int *has_link)
{
- int oldc[64], newc[64], s[128];
- size_t noldc, nnewc, n, i;
- u_int attr = gc->attr, lastattr = lastgc->attr;
- char tmp[64];
+ int oldc[64], newc[64], s[128];
+ size_t noldc, nnewc, n, i;
+ u_int attr = gc->attr, lastattr = lastgc->attr;
+ char tmp[64];
+ const char *uri, *id;
- struct {
+ static const struct {
u_int mask;
u_int code;
} attrs[] = {
@@ -913,7 +956,7 @@ grid_string_cells_code(const struct grid_cell *lastgc,
for (i = 0; i < nitems(attrs); i++) {
if (((~attr & attrs[i].mask) &&
(lastattr & attrs[i].mask)) ||
- (lastgc->us != 0 && gc->us == 0)) {
+ (lastgc->us != 8 && gc->us == 8)) {
s[n++] = 0;
lastattr &= GRID_ATTR_CHARSET;
break;
@@ -928,7 +971,7 @@ grid_string_cells_code(const struct grid_cell *lastgc,
/* Write the attributes. */
*buf = '\0';
if (n > 0) {
- if (escape_c0)
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
strlcat(buf, "\\033[", len);
else
strlcat(buf, "\033[", len);
@@ -950,46 +993,59 @@ grid_string_cells_code(const struct grid_cell *lastgc,
nnewc = grid_string_cells_fg(gc, newc);
noldc = grid_string_cells_fg(lastgc, oldc);
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
- escape_c0);
+ flags);
/* If the background colour changed, append its parameters. */
nnewc = grid_string_cells_bg(gc, newc);
noldc = grid_string_cells_bg(lastgc, oldc);
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
- escape_c0);
+ flags);
/* If the underscore colour changed, append its parameters. */
nnewc = grid_string_cells_us(gc, newc);
noldc = grid_string_cells_us(lastgc, oldc);
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
- escape_c0);
+ flags);
/* Append shift in/shift out if needed. */
if ((attr & GRID_ATTR_CHARSET) && !(lastattr & GRID_ATTR_CHARSET)) {
- if (escape_c0)
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
strlcat(buf, "\\016", len); /* SO */
else
strlcat(buf, "\016", len); /* SO */
}
if (!(attr & GRID_ATTR_CHARSET) && (lastattr & GRID_ATTR_CHARSET)) {
- if (escape_c0)
+ if (flags & GRID_STRING_ESCAPE_SEQUENCES)
strlcat(buf, "\\017", len); /* SI */
else
strlcat(buf, "\017", len); /* SI */
}
+
+ /* Add hyperlink if changed. */
+ if (sc != NULL && sc->hyperlinks != NULL && lastgc->link != gc->link) {
+ if (hyperlinks_get(sc->hyperlinks, gc->link, &uri, &id, NULL)) {
+ *has_link = grid_string_cells_add_hyperlink(buf, len,
+ id, uri, flags);
+ } else if (*has_link) {
+ grid_string_cells_add_hyperlink(buf, len, "", "",
+ flags);
+ *has_link = 0;
+ }
+ }
}
/* 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)
+ struct grid_cell **lastgc, int flags, struct screen *s)
{
struct grid_cell gc;
static struct grid_cell lastgc1;
const char *data;
- char *buf, code[128];
+ char *buf, code[8192];
size_t len, off, size, codelen;
- u_int xx;
+ u_int xx, end;
+ int has_link = 0;
const struct grid_line *gl;
if (lastgc != NULL && *lastgc == NULL) {
@@ -1002,16 +1058,20 @@ grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx,
off = 0;
gl = grid_peek_line(gd, py);
+ if (flags & GRID_STRING_EMPTY_CELLS)
+ end = gl->cellsize;
+ else
+ end = gl->cellused;
for (xx = px; xx < px + nx; xx++) {
- if (gl == NULL || xx >= gl->cellused)
+ if (gl == NULL || xx >= end)
break;
grid_get_cell(gd, xx, py, &gc);
if (gc.flags & GRID_FLAG_PADDING)
continue;
- if (with_codes) {
+ if (flags & GRID_STRING_WITH_SEQUENCES) {
grid_string_cells_code(*lastgc, &gc, code, sizeof code,
- escape_c0);
+ flags, s, &has_link);
codelen = strlen(code);
memcpy(*lastgc, &gc, sizeof **lastgc);
} else
@@ -1019,7 +1079,9 @@ grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx,
data = gc.data.data;
size = gc.data.size;
- if (escape_c0 && size == 1 && *data == '\\') {
+ if ((flags & GRID_STRING_ESCAPE_SEQUENCES) &&
+ size == 1 &&
+ *data == '\\') {
data = "\\\\";
size = 2;
}
@@ -1037,7 +1099,19 @@ grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx,
off += size;
}
- if (trim) {
+ if (has_link) {
+ grid_string_cells_add_hyperlink(code, sizeof code, "", "",
+ flags);
+ codelen = strlen(code);
+ while (len < off + size + codelen + 1) {
+ buf = xreallocarray(buf, 2, len);
+ len *= 2;
+ }
+ memcpy(buf + off, code, codelen);
+ off += codelen;
+ }
+
+ if (flags & GRID_STRING_TRIM_SPACES) {
while (off > 0 && buf[off - 1] == ' ')
off--;
}