static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
int subline, int ypos, int max)
{
INDENT_FUNC indent_func;
LINE_CACHE_REC *cache;
const unsigned char *text, *end, *text_newline;
unsigned char *tmp;
int xpos, color, drawcount, first, need_move, need_clrtoeol, char_width;
if (view->dirty) /* don't bother drawing anything - redraw is coming */
return 0;
cache = textbuffer_view_get_line_cache(view, line);
if (subline >= cache->count)
return 0;
color = ATTR_RESET;
need_move = TRUE; need_clrtoeol = FALSE;
xpos = drawcount = 0; first = TRUE;
text_newline = text =
subline == 0 ? line->text : cache->lines[subline-1].start;
for (;;) {
if (text == text_newline) {
if (need_clrtoeol && xpos < term_width) {
term_set_color(view->window, ATTR_RESET);
term_clrtoeol(view->window);
}
if (first)
first = FALSE;
else {
ypos++;
if (--max == 0)
break;
}
if (subline > 0) {
/* continuing previous line - indent it */
indent_func = cache->lines[subline-1].indent_func;
if (indent_func == NULL)
xpos = cache->lines[subline-1].indent;
color = cache->lines[subline-1].color;
} else {
indent_func = NULL;
}
if (xpos == 0 && indent_func == NULL)
need_clrtoeol = TRUE;
else {
/* line was indented - need to clear the
indented area first */
term_set_color(view->window, ATTR_RESET);
term_move(view->window, 0, ypos);
term_clrtoeol(view->window);
if (indent_func != NULL)
xpos = indent_func(view, line, ypos);
}
if (need_move || xpos > 0)
term_move(view->window, xpos, ypos);
term_set_color(view->window, color);
if (subline == cache->count-1) {
text_newline = NULL;
need_move = FALSE;
} else {
/* get the beginning of the next subline */
text_newline = cache->lines[subline].start;
need_move = !cache->lines[subline].continues;
}
drawcount++;
subline++;
}
if (*text == '\0') {
/* command */
text++;
if (*text == LINE_CMD_EOL || *text == LINE_CMD_FORMAT)
break;
if (*text == LINE_CMD_CONTINUE) {
/* jump to next block */
memcpy(&tmp, text+1, sizeof(unsigned char *));
text = tmp;
continue;
} else if (*text == LINE_CMD_INDENT_FUNC) {
text += sizeof(INDENT_FUNC);
} else {
update_cmd_color(*text, &color);
term_set_color(view->window, color);
}
text++;
continue;
}
end = text;
if (view->utf8) {
unichar chr;
if (get_utf8_char(&end, 6, &chr)<0)
char_width = 1;
else
char_width = utf8_width(chr);
} else {
if (term_type == TERM_TYPE_BIG5 &&
is_big5(end[0], end[1]))
char_width = 2;
else
char_width = 1;
end += char_width-1;
}
xpos += char_width;
if (xpos <= term_width) {
if (*text >= 32 &&
(end != text || (*text & 127) >= 32)) {
for (; text < end; text++)
term_addch(view->window, *text);
term_addch(view->window, *text);
} else {
/* low-ascii */
term_set_color(view->window, ATTR_RESET|ATTR_REVERSE);
term_addch(view->window, (*text & 127)+'A'-1);
term_set_color(view->window, color);
}
}
text++;
}
if (need_clrtoeol && xpos < term_width) {
term_set_color(view->window, ATTR_RESET);
term_clrtoeol(view->window);
}
return drawcount;
}
static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
int subline, int ypos, int max)
{
INDENT_FUNC indent_func;
LINE_CACHE_REC *cache;
const unsigned char *text, *end, *text_newline;
unsigned char *tmp;
unichar chr;
int xpos, color, fg24, bg24, drawcount, first, need_move, need_clrtoeol, char_width;
if (view->dirty) /* don't bother drawing anything - redraw is coming */
return 0;
cache = textbuffer_view_get_line_cache(view, line);
if (subline >= cache->count)
return 0;
color = ATTR_RESET;
need_move = TRUE; need_clrtoeol = FALSE;
xpos = drawcount = 0; first = TRUE;
text_newline = text =
subline == 0 ? line->text : cache->lines[subline-1].start;
for (;;) {
if (text == text_newline) {
if (need_clrtoeol && xpos < term_width) {
term_set_color(view->window, ATTR_RESET);
term_clrtoeol(view->window);
}
if (first)
first = FALSE;
else {
ypos++;
if (--max == 0)
break;
}
if (subline > 0) {
/* continuing previous line - indent it */
indent_func = cache->lines[subline-1].indent_func;
if (indent_func == NULL)
xpos = cache->lines[subline-1].indent;
color = cache->lines[subline-1].color;
#ifdef TERM_TRUECOLOR
fg24 = cache->lines[subline-1].fg24;
bg24 = cache->lines[subline-1].bg24;
#endif
} else {
indent_func = NULL;
}
if (xpos == 0 && indent_func == NULL)
need_clrtoeol = TRUE;
else {
/* line was indented - need to clear the
indented area first */
term_set_color(view->window, ATTR_RESET);
term_move(view->window, 0, ypos);
term_clrtoeol(view->window);
if (indent_func != NULL)
xpos = indent_func(view, line, ypos);
}
if (need_move || xpos > 0)
term_move(view->window, xpos, ypos);
term_set_color2(view->window, color, fg24, bg24);
if (subline == cache->count-1) {
text_newline = NULL;
need_move = FALSE;
} else {
/* get the beginning of the next subline */
text_newline = cache->lines[subline].start;
need_move = !cache->lines[subline].continues;
}
drawcount++;
subline++;
}
if (*text == '\0') {
/* command */
text++;
if (*text == LINE_CMD_EOL)
break;
if (*text == LINE_CMD_CONTINUE) {
/* jump to next block */
memcpy(&tmp, text+1, sizeof(unsigned char *));
text = tmp;
continue;
} else {
if (*text == LINE_COLOR_EXT)
color = (color & BGATTR & ~ATTR_FGCOLOR24) | *++text;
else if (*text == LINE_COLOR_EXT_BG)
color = (color & FGATTR & ~ATTR_BGCOLOR24) | (*++text << BG_SHIFT);
#ifdef TERM_TRUECOLOR
else if (*text == LINE_COLOR_24)
unformat_24bit_line_color(&text, 1, &color, &fg24, &bg24);
#endif
else
update_cmd_color(*text, &color);
term_set_color2(view->window, color, fg24, bg24);
}
text++;
continue;
}
if (view->utf8) {
chr = read_unichar(text, &end, &char_width);
} else {
chr = *text;
end = text;
if (term_type == TERM_TYPE_BIG5 &&
is_big5(end[0], end[1]))
char_width = 2;
else
char_width = 1;
end += char_width;
}
xpos += char_width;
if (xpos <= term_width) {
if (unichar_isprint(chr)) {
if (view->utf8)
term_add_unichar(view->window, chr);
else
for (; text < end; text++)
term_addch(view->window, *text);
} else {
/* low-ascii */
term_set_color(view->window, ATTR_RESET|ATTR_REVERSE);
term_addch(view->window, (chr & 127)+'A'-1);
term_set_color2(view->window, color, fg24, bg24);
}
}
text = end;
}
if (need_clrtoeol && xpos < term_width) {
term_set_color(view->window, ATTR_RESET);
term_clrtoeol(view->window);
}
return drawcount;
}
