/* Picks window to use for suggestion box and prepares it for displaying data.
* Sets *height to number of suggestions to display. Returns picked window. */
static WINDOW *
prepare_suggestion_box(int *height)
{
WINDOW *win;
const col_attr_t col = cfg.cs.color[SUGGEST_BOX_COLOR];
const int count = vle_compl_get_count();
if((cfg.sug.flags & SF_OTHERPANE) && curr_stats.number_of_windows == 2)
{
win = other_view->win;
*height = MIN(count, getmaxy(win));
}
else
{
const int max_height = getmaxy(stdscr) - getmaxy(status_bar) -
ui_stat_job_bar_height() - 2;
*height = MIN(count, max_height);
wresize(stat_win, *height, getmaxx(stdscr));
ui_stat_reposition(getmaxy(status_bar), 1);
win = stat_win;
}
wbkgdset(win, COLOR_PAIR(colmgr_get_pair(col.fg, col.bg)) | col.attr);
werase(win);
return win;
}
/* Prints line onto a window highlighting it according to attrs, which should
* specify 0-9 color groups for every character in line. */
static void
print_with_attrs(WINDOW *win, const char line[], const char attrs[],
const cchar_t *default_attr)
{
cchar_t attr = *default_attr;
while(*line != '\0')
{
if(*attrs == '0')
{
attr = *default_attr;
}
else if(*attrs != ' ')
{
const int color = (USER1_COLOR + (*attrs - '1'));
col_attr_t col = cfg.cs.color[STATUS_LINE_COLOR];
cs_mix_colors(&col, &cfg.cs.color[color]);
setcchar(&attr, L" ", col.attr, colmgr_get_pair(col.fg, col.bg), NULL);
}
const size_t len = utf8_chrw(line);
char char_buf[len + 1];
copy_str(char_buf, sizeof(char_buf), line);
wprinta(win, char_buf, &attr, 0);
line += len;
attrs += utf8_chrsw(char_buf);
}
}
/* Loads color scheme settings into color pairs. */
static void
load_color_pairs(col_scheme_t *cs)
{
int i;
for(i = 0; i < MAXNUM_COLOR; i++)
{
cs->pair[i] = colmgr_get_pair(cs->color[i].fg, cs->color[i].bg);
}
}
static int
count_available_pairs(int seed, int max)
{
int i = 0;
while(i < max && colmgr_get_pair(seed, i) != 0)
{
++i;
}
return i;
}
/* Prints the leading character of the str to the win window parsing terminal
* escape sequences. */
static void
print_char_esc(WINDOW *win, const char str[], esc_state *state)
{
if(str[0] == '\033')
{
esc_state_update(state, str);
wattrset(win, COLOR_PAIR(colmgr_get_pair(state->fg, state->bg)) | state->attrs);
}
else
{
wprint(win, str);
}
}
static void
status_bar_message_i(const char message[], int error)
{
/* TODO: Refactor this function status_bar_message_i() */
static char *msg;
static int err;
int len;
const char *p, *q;
int lines;
int status_bar_lines;
size_t screen_length;
const char *out_msg;
char truncated_msg[2048];
if(curr_stats.load_stage == 0)
{
return;
}
if(message != NULL)
{
if(replace_string(&msg, message))
{
return;
}
err = error;
save_status_bar_msg(msg);
}
if(msg == NULL || vle_mode_is(CMDLINE_MODE))
{
return;
}
p = msg;
q = msg - 1;
status_bar_lines = 0;
len = getmaxx(stdscr);
while((q = strchr(q + 1, '\n')) != NULL)
{
status_bar_lines += DIV_ROUND_UP(q - p, len );
if(q == p)
{
++status_bar_lines;
}
p = q + 1;
}
if(*p == '\0')
{
++status_bar_lines;
}
screen_length = utf8_strsw(p);
status_bar_lines += DIV_ROUND_UP(screen_length, len);
if(status_bar_lines == 0)
{
status_bar_lines = 1;
}
lines = status_bar_lines;
if(status_bar_lines > 1 || screen_length > (size_t)getmaxx(status_bar))
{
++lines;
}
out_msg = msg;
if(lines > 1)
{
if(cfg.trunc_normal_sb_msgs && !err && curr_stats.allow_sb_msg_truncation)
{
truncate_with_ellipsis(msg, getmaxx(stdscr) - FIELDS_WIDTH(),
truncated_msg);
out_msg = truncated_msg;
lines = 1;
}
else
{
const int extra = DIV_ROUND_UP(ARRAY_LEN(PRESS_ENTER_MSG) - 1, len) - 1;
lines += extra;
}
}
if(lines > getmaxy(stdscr))
{
lines = getmaxy(stdscr);
}
(void)ui_stat_reposition(lines);
mvwin(status_bar, getmaxy(stdscr) - lines, 0);
if(lines == 1)
{
wresize(status_bar, lines, getmaxx(stdscr) - FIELDS_WIDTH());
}
else
{
wresize(status_bar, lines, getmaxx(stdscr));
}
checked_wmove(status_bar, 0, 0);
if(err)
{
col_attr_t col = cfg.cs.color[CMD_LINE_COLOR];
mix_colors(&col, &cfg.cs.color[ERROR_MSG_COLOR]);
wattron(status_bar, COLOR_PAIR(colmgr_get_pair(col.fg, col.bg)) | col.attr);
}
else
{
int attr = cfg.cs.color[CMD_LINE_COLOR].attr;
wattron(status_bar, COLOR_PAIR(cfg.cs.pair[CMD_LINE_COLOR]) | attr);
}
werase(status_bar);
wprint(status_bar, out_msg);
multiline_status_bar = lines > 1;
if(multiline_status_bar)
{
checked_wmove(status_bar,
lines - DIV_ROUND_UP(ARRAY_LEN(PRESS_ENTER_MSG), len), 0);
wclrtoeol(status_bar);
if(lines < status_bar_lines)
wprintw(status_bar, "%d of %d lines. ", lines, status_bar_lines);
wprintw(status_bar, "%s", PRESS_ENTER_MSG);
}
wattrset(status_bar, 0);
update_all_windows();
/* This is needed because update_all_windows() doesn't call doupdate() if
* curr_stats.load_stage == 1. */
doupdate();
}
/* Draws single menu item at position specified by line argument. Non-zero
* clear argument suppresses drawing current items in different color. */
static void
draw_menu_item(menu_state_t *ms, int pos, int line, int clear)
{
menu_data_t *const m = ms->d;
int i;
int off;
char *item_tail;
const int width = (curr_stats.load_stage == 0) ? 100 : getmaxx(menu_win) - 2;
/* Calculate color for the line. */
int attrs;
col_attr_t col = cfg.cs.color[WIN_COLOR];
if(cfg.hl_search && ms->search_highlight &&
ms->matches != NULL && ms->matches[pos][0] >= 0)
{
cs_mix_colors(&col, &cfg.cs.color[SELECTED_COLOR]);
}
if(!clear && pos == m->pos)
{
cs_mix_colors(&col, &cfg.cs.color[CURR_LINE_COLOR]);
}
attrs = COLOR_PAIR(colmgr_get_pair(col.fg, col.bg)) | col.attr;
/* Calculate offset of m->hor_pos's character in item text. */
off = 0;
i = m->hor_pos;
while(i-- > 0 && m->items[pos][off] != '\0')
{
off += utf8_chrw(m->items[pos] + off);
}
item_tail = strdup(m->items[pos] + off);
replace_char(item_tail, '\t', ' ');
wattron(menu_win, attrs);
/* Clear the area. */
checked_wmove(menu_win, line, 1);
if(curr_stats.load_stage != 0)
{
wprintw(menu_win, "%*s", width, "");
}
/* Draw visible part of item. */
checked_wmove(menu_win, line, 2);
if(utf8_strsw(item_tail) > (size_t)(width - 2))
{
void *p;
const size_t len = utf8_nstrsnlen(item_tail, width - 3 - 2 + 1);
memset(item_tail + len, ' ', strlen(item_tail) - len);
p = realloc(item_tail, len + 4);
if(p != NULL)
{
item_tail = p;
strcpy(item_tail + len - 1, "...");
}
wprint(menu_win, item_tail);
}
else
{
const size_t len = utf8_nstrsnlen(item_tail, width - 2 + 1);
item_tail[len] = '\0';
wprint(menu_win, item_tail);
}
wattroff(menu_win, attrs);
if(ms->search_highlight && ms->matches != NULL && ms->matches[pos][0] >= 0)
{
draw_search_match(item_tail, ms->matches[pos][0] - m->hor_pos,
ms->matches[pos][1] - m->hor_pos, line, width, attrs);
}
free(item_tail);
}