/**
* Return a common monster list instance.
*/
monster_list_t *monster_list_shared_instance(void)
{
if (monster_list_subwindow == NULL) {
monster_list_subwindow = monster_list_new();
}
return monster_list_subwindow;
}
/**
* Display the monster list interactively. This will dynamically size the list
* for the best appearance. This should only be used in the main term.
*
* \param height is the height limit for the list.
* \param width is the width limit for the list.
*/
void monster_list_show_interactive(int height, int width)
{
textblock *tb;
monster_list_t *list;
size_t max_width = 0, max_height = 0;
int safe_height, safe_width;
region r;
if (height < 1 || width < 1)
return;
tb = textblock_new();
list = monster_list_new();
monster_list_collect(list);
monster_list_get_glyphs(list);
monster_list_sort(list, monster_list_standard_compare);
/* Figure out optimal display rect. Large numbers are passed as the height
* and width limit so that we can calculate the maximum number of rows and
* columns to display the list nicely. We then adjust those values as
* needed to fit in the main term. Height is adjusted to account for the
* texblock prompt. The list is positioned on the right side of the term
* underneath the status line.
*/
monster_list_format_textblock(list, NULL, 1000, 1000, &max_height,
&max_width);
safe_height = MIN(height - 2, (int)max_height + 2);
safe_width = MIN(width - 13, (int)max_width);
r.col = -safe_width;
r.row = 1;
r.width = safe_width;
r.page_rows = safe_height;
/*
* Actually draw the list. We pass in max_height to the format function so
* that all lines will be appended to the textblock. The textblock itself
* will handle fitting it into the region. However, we have to pass
* safe_width so that the format function will pad the lines properly so
* that the location string is aligned to the right edge of the list.
*/
monster_list_format_textblock(list, tb, (int)max_height, safe_width, NULL,
NULL);
region_erase_bordered(&r);
textui_textblock_show(tb, r, NULL);
textblock_free(tb);
monster_list_free(list);
}