void
move_to_menu_pos(int pos, menu_state_t *ms)
{
menu_data_t *const m = ms->d;
int redraw;
pos = MIN(m->len - 1, MAX(0, pos));
if(pos < 0)
{
return;
}
normalize_top(ms);
redraw = 0;
if(pos > get_last_visible_line(m))
{
m->top = pos - (ms->win_rows - 2 - 1);
redraw = 1;
}
else if(pos < m->top)
{
m->top = pos;
redraw = 1;
}
if(cfg.scroll_off > 0)
{
int s = MIN(DIV_ROUND_UP(ms->win_rows - 2, 2), cfg.scroll_off);
if(pos - m->top < s && m->top > 0)
{
m->top -= s - (pos - m->top);
normalize_top(ms);
redraw = 1;
}
if(pos > get_last_visible_line(m) - s)
{
m->top += s - (get_last_visible_line(m) - pos);
normalize_top(ms);
redraw = 1;
}
}
ms->current = 1 + (pos - m->top);
m->pos = pos;
if(redraw)
{
draw_menu(ms);
}
else
{
draw_menu_item(ms, m->pos, ms->current, 0);
}
checked_wmove(menu_win, ms->current, 2);
show_position_in_menu(m);
}
void
draw_menu(menu_state_t *m)
{
int i, pos;
const int y = getmaxy(menu_win);
normalize_top(m);
werase(menu_win);
draw_menu_frame(m);
for(i = 0, pos = m->d->top; i < y - 2 && pos < m->d->len; ++i, ++pos)
{
draw_menu_item(m, pos, i + 1, 0);
}
}
void
draw_menu(menu_info *m)
{
int i;
int win_len;
int x, y;
getmaxyx(menu_win, y, x);
win_len = x;
werase(menu_win);
normalize_top(m);
x = m->top;
box(menu_win, 0, 0);
wattron(menu_win, A_BOLD);
checked_wmove(menu_win, 0, 3);
wprint(menu_win, m->title);
wattroff(menu_win, A_BOLD);
for(i = 1; x < m->len; i++, x++)
{
int z, off;
char *buf;
char *ptr = NULL;
col_attr_t col;
int type = WIN_COLOR;
chomp(m->items[x]);
if((ptr = strchr(m->items[x], '\n')) || (ptr = strchr(m->items[x], '\r')))
*ptr = '\0';
col = cfg.cs.color[WIN_COLOR];
if(cfg.hl_search && m->matches != NULL && m->matches[x])
{
mix_colors(&col, &cfg.cs.color[SELECTED_COLOR]);
type = SELECTED_COLOR;
}
init_pair(DCOLOR_BASE + type, col.fg, col.bg);
wattron(menu_win, COLOR_PAIR(DCOLOR_BASE + type) | col.attr);
z = m->hor_pos;
off = 0;
while(z-- > 0 && m->items[x][off] != '\0')
{
size_t l = get_char_width(m->items[x] + off);
off += l;
}
buf = strdup(m->items[x] + off);
for(z = 0; buf[z] != '\0'; z++)
if(buf[z] == '\t')
buf[z] = ' ';
checked_wmove(menu_win, i, 2);
if(get_screen_string_length(buf) > win_len - 4)
{
size_t len = get_normal_utf8_string_widthn(buf, win_len - 3 - 4);
memset(buf + len, ' ', strlen(buf) - len);
buf[len + 3] = '\0';
wprint(menu_win, buf);
mvwaddstr(menu_win, i, win_len - 5, "...");
}
else
{
const size_t len = get_normal_utf8_string_widthn(buf, win_len - 4);
buf[len] = '\0';
wprint(menu_win, buf);
}
waddstr(menu_win, " ");
free(buf);
wattroff(menu_win, COLOR_PAIR(DCOLOR_BASE + type) | col.attr);
if(i + 3 > y)
break;
}
}
void
move_to_menu_pos(int pos, menu_info *m)
{
/* TODO: refactor this function move_to_menu_pos() */
int redraw = 0;
int x, z;
char *buf = NULL;
col_attr_t col;
int off = 0;
pos = MIN(m->len - 1, MAX(0, pos));
if(pos < 0)
return;
normalize_top(m);
if(pos > get_last_visible_line(m))
{
m->top = pos - (m->win_rows - 2 - 1);
redraw = 1;
}
else if(pos < m->top)
{
m->top = pos;
redraw = 1;
}
if(cfg.scroll_off > 0)
{
int s = MIN(DIV_ROUND_UP(m->win_rows - 2, 2), cfg.scroll_off);
if(pos - m->top < s && m->top > 0)
{
m->top -= s - (pos - m->top);
normalize_top(m);
redraw = 1;
}
if(pos > get_last_visible_line(m) - s)
{
m->top += s - (get_last_visible_line(m) - pos);
normalize_top(m);
redraw = 1;
}
}
m->current = 1 + (pos - m->top);
if(redraw)
draw_menu(m);
x = getmaxx(menu_win) + get_utf8_overhead(m->items[pos]);
buf = malloc(x + 2);
if(buf == NULL)
return;
/* TODO: check if this can be false. */
if(m->items[pos] != NULL)
{
z = m->hor_pos;
while(z-- > 0 && m->items[pos][off] != '\0')
{
size_t l = get_char_width(m->items[pos] + off);
off += l;
x -= l - 1;
}
snprintf(buf, x, " %s", m->items[pos] + off);
}
else
{
buf[0] = '\0';
}
for(z = 0; buf[z] != '\0'; z++)
if(buf[z] == '\t')
buf[z] = ' ';
for(z = strlen(buf); z < x; z++)
buf[z] = ' ';
buf[x] = ' ';
buf[x + 1] = '\0';
col = cfg.cs.color[WIN_COLOR];
if(cfg.hl_search && m->matches != NULL && m->matches[pos])
mix_colors(&col, &cfg.cs.color[SELECTED_COLOR]);
mix_colors(&col, &cfg.cs.color[CURR_LINE_COLOR]);
init_pair(DCOLOR_BASE + MENU_CURRENT_COLOR, col.fg, col.bg);
wattrset(menu_win, COLOR_PAIR(DCOLOR_BASE + MENU_CURRENT_COLOR) | col.attr);
checked_wmove(menu_win, m->current, 1);
if(get_screen_string_length(m->items[pos] + off) > getmaxx(menu_win) - 4)
{
size_t len = get_normal_utf8_string_widthn(buf,
getmaxx(menu_win) - 3 - 4 + 1);
memset(buf + len, ' ', strlen(buf) - len);
buf[len + 3] = '\0';
wprint(menu_win, buf);
mvwaddstr(menu_win, m->current, getmaxx(menu_win) - 5, "...");
}
else
{
size_t len = get_normal_utf8_string_widthn(buf, getmaxx(menu_win) - 4 + 1);
buf[len] = '\0';
wprint(menu_win, buf);
}
waddstr(menu_win, " ");
wattroff(menu_win, COLOR_PAIR(DCOLOR_BASE + MENU_CURRENT_COLOR) | col.attr);
m->pos = pos;
free(buf);
show_position_in_menu(m);
}
