void textui_textblock_place(textblock *tb, region orig_area, const char *header)
{
const char *text = textblock_text(tb);
const byte *attrs = textblock_attrs(tb);
/* xxx on resize this should be recalculated */
region area = region_calculate(orig_area);
size_t *line_starts = NULL, *line_lengths = NULL;
size_t n_lines;
n_lines = textblock_calculate_lines(tb,
&line_starts, &line_lengths, area.width);
area.page_rows--;
if (n_lines > (size_t) area.page_rows)
n_lines = area.page_rows;
c_prt(TERM_L_BLUE, header, area.row, area.col);
area.row++;
display_area(text, attrs, line_starts, line_lengths, n_lines, area, 0);
mem_free(line_starts);
mem_free(line_lengths);
}
void textblock_dump(textblock *tb, char_attr_line **line, int *current_line,
int indent, int wrap)
{
const char *text = textblock_text(tb);
const byte *attrs = textblock_attrs(tb);
size_t *line_starts = NULL, *line_lengths = NULL;
size_t i, j, n_lines;
char_attr_line *lline = *line;
n_lines = textblock_calculate_lines(tb, &line_starts, &line_lengths,
wrap - indent);
for (i = 0; i < n_lines; i++) {
for (j = 0; j < line_lengths[i]; j++) {
dump_put_str(attrs[line_starts[i] + j],
format("%c",text[line_starts[i] + j]),
j + indent);
}
(*current_line)++;
dump_ptr = (char_attr *) &lline[*current_line];
}
if (!n_lines) (*current_line)--;
}
void textui_textblock_show(textblock *tb, region orig_area, const char *header)
{
const char *text = textblock_text(tb);
const byte *attrs = textblock_attrs(tb);
/* xxx on resize this should be recalculated */
region area = region_calculate(orig_area);
size_t *line_starts = NULL, *line_lengths = NULL;
size_t n_lines;
n_lines = textblock_calculate_lines(tb,
&line_starts, &line_lengths, area.width);
screen_save();
/* make room for the header & footer */
area.page_rows -= 3;
c_prt(TERM_L_BLUE, header, area.row, area.col);
area.row++;
if (n_lines > (size_t) area.page_rows) {
int start_line = 0;
c_prt(TERM_WHITE, "", area.row + area.page_rows, area.col);
c_prt(TERM_L_BLUE, "(Up/down or ESCAPE to exit.)",
area.row + area.page_rows + 1, area.col);
/* Pager mode */
while (1) {
struct keypress ch;
display_area(text, attrs, line_starts, line_lengths, n_lines,
area, start_line);
ch = inkey();
if (ch.code == ARROW_UP)
start_line--;
else if (ch.code== ESCAPE || ch.code == 'q')
break;
else if (ch.code == ARROW_DOWN)
start_line++;
else if (ch.code == ' ')
start_line += area.page_rows;
if (start_line < 0)
start_line = 0;
if (start_line + (size_t) area.page_rows > n_lines)
start_line = n_lines - area.page_rows;
}
} else {
display_area(text, attrs, line_starts, line_lengths, n_lines, area, 0);
c_prt(TERM_WHITE, "", area.row + n_lines, area.col);
c_prt(TERM_L_BLUE, "(Press any key to continue.)",
area.row + n_lines + 1, area.col);
inkey();
}
mem_free(line_starts);
mem_free(line_lengths);
screen_load();
return;
}
