/* add the formatted text to the curses window 'w'. The window 'w'
* must already be initiatlized with curses
*/
static void _owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w, int do_search)
{
/* char *tmpbuff; */
/* int position, trans1, trans2, trans3, len, lastsame; */
char *s, *p;
char attr;
short fg, bg, pair = 0;
if (w==NULL) {
owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr.");
return;
}
s = f->textbuff;
/* Set default attributes. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Find next possible format character. */
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
while(p) {
if (owl_fmtext_is_format_char(g_utf8_get_char(p))) {
/* Deal with all text from last insert to here. */
char tmp;
tmp = p[0];
p[0] = '\0';
if (owl_global_is_search_active(&g)) {
/* Search is active, so highlight search results. */
char tmp2;
int start, end;
while (owl_regex_compare(owl_global_get_search_re(&g), s, &start, &end) == 0) {
/* Prevent an infinite loop matching the empty string. */
if (end == 0)
break;
/* Found search string, highlight it. */
tmp2 = s[start];
s[start] = '\0';
waddstr(w, s);
s[start] = tmp2;
_owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE);
_owl_fmtext_wcolor_set(w, pair);
tmp2 = s[end];
s[end] = '\0';
waddstr(w, s + start);
s[end] = tmp2;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_wcolor_set(w, pair);
s += end;
}
}
/* Deal with remaining part of string. */
waddstr(w, s);
p[0] = tmp;
/* Deal with new attributes. Initialize to defaults, then
process all consecutive formatting characters. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
while (owl_fmtext_is_format_char(g_utf8_get_char(p))) {
_owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg);
p = g_utf8_next_char(p);
}
_owl_fmtext_wattrset(w, attr | f->default_attrs);
if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor;
if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor;
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Advance to next non-formatting character. */
s = p;
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
else {
p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
}
if (s) {
waddstr(w, s);
}
wbkgdset(w, 0);
}
/* Truncate the message so that each line begins at column 'acol' and
* ends at 'bcol' or sooner. The first column is number 0. The new
* message is placed in 'out'. The message is expected to end in a
* new line for now.
*
* NOTE: This needs to be modified to deal with backing up if we find
* a SPACING COMBINING MARK at the end of a line. If that happens, we
* should back up to the last non-mark character and stop there.
*
* NOTE: If a line ends at bcol, we omit the newline. This is so printing
* to ncurses works.
*/
void owl_fmtext_truncate_cols(const owl_fmtext *in, int acol, int bcol, owl_fmtext *out)
{
const char *ptr_s, *ptr_e, *ptr_c, *last;
int col, st, padding, chwidth;
/* copy the default attributes */
out->default_attrs = in->default_attrs;
out->default_fgcolor = in->default_fgcolor;
out->default_bgcolor = in->default_bgcolor;
last=in->textbuff+in->textlen-1;
ptr_s=in->textbuff;
while (ptr_s <= last) {
ptr_e=strchr(ptr_s, '\n');
if (!ptr_e) {
/* but this shouldn't happen if we end in a \n */
break;
}
if (ptr_e == ptr_s) {
owl_fmtext_append_normal(out, "\n");
++ptr_s;
continue;
}
col = 0;
st = 0;
padding = 0;
chwidth = 0;
ptr_c = ptr_s;
while(ptr_c < ptr_e) {
gunichar c = g_utf8_get_char(ptr_c);
if (!owl_fmtext_is_format_char(c)) {
chwidth = mk_wcwidth(c);
if (col + chwidth > bcol) break;
if (col >= acol) {
if (st == 0) {
ptr_s = ptr_c;
padding = col - acol;
++st;
}
}
col += chwidth;
chwidth = 0;
}
ptr_c = g_utf8_next_char(ptr_c);
}
if (st) {
/* lead padding */
owl_fmtext_append_spaces(out, padding);
if (ptr_c == ptr_e) {
/* We made it to the newline. */
_owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff);
}
else if (chwidth > 1) {
/* Last char is wide, truncate. */
_owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1);
owl_fmtext_append_normal(out, "\n");
}
else {
/* Last char fits perfectly, We skip to the next char and back
* up a byte to make sure we get it all.
*/
ptr_c = g_utf8_next_char(ptr_c);
_owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1);
}
}
else {
owl_fmtext_append_normal(out, "\n");
}
ptr_s = g_utf8_next_char(ptr_e);
}
}
/* add the formatted text to the curses window 'w'. The window 'w'
* must already be initiatlized with curses
*/
void _owl_fmtext_curs_waddstr(owl_fmtext *f, WINDOW *w, int do_search) /*noproto*/
{
/* char *tmpbuff; */
/* int position, trans1, trans2, trans3, len, lastsame; */
char *s, *p;
char attr;
short fg, bg, pair;
int search_results, search_len;
if (w==NULL) {
owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr.");
return;
}
search_results = (do_search
? owl_fmtext_search(f, owl_global_get_search_string(&g))
: 0);
search_len = (search_results
? strlen(owl_global_get_search_string(&g))
: 0);
s = f->textbuff;
/* Set default attributes. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Find next possible format character. */
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
while(p) {
if (owl_fmtext_is_format_char(g_utf8_get_char(p))) {
/* Deal with all text from last insert to here. */
char tmp;
tmp = p[0];
p[0] = '\0';
if (search_results) {
/* Search is active, so highlight search results. */
char tmp2, *ss;
ss = stristr(s, owl_global_get_search_string(&g));
while (ss) {
/* Found search string, highlight it. */
tmp2 = ss[0];
ss[0] = '\0';
waddstr(w, s);
ss[0] = tmp2;
_owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE);
_owl_fmtext_wcolor_set(w, pair);
tmp2 = ss[search_len];
ss[search_len] = '\0';
waddstr(w, ss);
ss[search_len] = tmp2;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_wcolor_set(w, pair);
s = ss + search_len;
ss = stristr(s, owl_global_get_search_string(&g));
}
}
/* Deal with remaining part of string. */
waddstr(w, s);
p[0] = tmp;
/* Deal with new attributes. Initialize to defaults, then
process all consecutive formatting characters. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
while (p && owl_fmtext_is_format_char(g_utf8_get_char(p))) {
_owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg);
p = g_utf8_next_char(p);
}
_owl_fmtext_wattrset(w, attr | f->default_attrs);
if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor;
if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor;
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Advance to next non-formatting character. */
s = p;
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
else {
p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
}
if (s) {
waddstr(w, s);
}
}
