int print_command(char prefix)
{
long i, w;
unsigned int u;
int x;
// width of characters up to and including cursor position
w = 1; // ":" (prefix)
i = 0;
while (i <= cmdline.pos && i < cmdline.buf.len) {
u = u_get_char(cmdline.buf.buffer, cmdline.buf.len, &i);
w += u_char_width(u);
}
if (cmdline.pos == cmdline.buf.len) {
w++;
}
if (w > screen_w)
obuf.scroll_x = w - screen_w;
set_builtin_color(BC_COMMANDLINE);
i = 0;
buf_put_char(prefix);
x = obuf.x - obuf.scroll_x;
while (i < cmdline.buf.len) {
BUG_ON(obuf.x > obuf.scroll_x + obuf.width);
u = u_get_char(cmdline.buf.buffer, cmdline.buf.len, &i);
if (!buf_put_char(u))
break;
if (i <= cmdline.pos)
x = obuf.x - obuf.scroll_x;
}
return x;
}
static void print_horizontal_tab_title(struct view *v, int idx)
{
int skip = v->tt_width - v->tt_truncated_width;
const char *filename = buffer_filename(v->buffer);
char buf[16];
if (skip > 0) {
filename += u_skip_chars(filename, &skip);
}
snprintf(buf, sizeof(buf), "%c%d%s",
obuf.x == 0 && idx > 0 ? '<' : ' ',
idx + 1,
buffer_modified(v->buffer) ? "+" : ":");
if (v == v->window->view)
set_builtin_color(BC_ACTIVETAB);
else
set_builtin_color(BC_INACTIVETAB);
buf_add_str(buf);
buf_add_str(filename);
if (obuf.x == obuf.width - 1 && idx < v->window->views.count - 1)
buf_put_char('>');
else
buf_put_char(' ');
}
static void print_horizontal_tabbar(struct window *win)
{
int i;
buf_reset(win->x, win->w, 0);
buf_move_cursor(win->x, win->y);
calculate_tabbar(win);
for (i = win->first_tab_idx; i < win->views.count; i++) {
struct view *v = win->views.ptrs[i];
if (obuf.x + v->tt_truncated_width > win->w)
break;
print_horizontal_tab_title(v, i);
}
set_builtin_color(BC_TABBAR);
if (i != win->views.count) {
while (obuf.x < obuf.width - 1)
buf_put_char(' ');
if (obuf.x == obuf.width - 1)
buf_put_char('>');
} else {
buf_clear_eol();
}
}
void print_message(const char *msg, bool is_error)
{
enum builtin_color c = BC_COMMANDLINE;
long i = 0;
if (msg[0])
c = is_error ? BC_ERRORMSG : BC_INFOMSG;
set_builtin_color(c);
while (msg[i]) {
unsigned int u = u_get_char(msg, i + 4, &i);
if (!buf_put_char(u))
break;
}
}
