void vis_window_swap(Win *a, Win *b) {
if (a == b || !a || !b)
return;
Vis *vis = a->vis;
Win *tmp = a->next;
a->next = b->next;
b->next = tmp;
if (a->next)
a->next->prev = a;
if (b->next)
b->next->prev = b;
tmp = a->prev;
a->prev = b->prev;
b->prev = tmp;
if (a->prev)
a->prev->next = a;
if (b->prev)
b->prev->next = b;
if (vis->windows == a)
vis->windows = b;
else if (vis->windows == b)
vis->windows = a;
vis->ui->window_swap(a->ui, b->ui);
if (vis->win == a)
vis_window_focus(b);
else if (vis->win == b)
vis_window_focus(a);
}
void vis_window_prev(Vis *vis) {
Win *sel = vis->win;
if (!sel)
return;
sel = sel->prev;
if (!sel)
for (sel = vis->windows; sel->next; sel = sel->next);
vis_window_focus(sel);
}
void vis_message_show(Vis *vis, const char *msg) {
if (!msg)
return;
if (!vis->message_window)
vis->message_window = window_new_file(vis, vis->error_file, UI_OPTION_STATUSBAR);
Win *win = vis->message_window;
if (!win)
return;
Text *txt = win->file->text;
size_t pos = text_size(txt);
text_appendf(txt, "%s\n", msg);
text_save(txt, NULL);
view_cursor_to(win->view, pos);
vis_window_focus(win);
}
void vis_window_next(Vis *vis) {
Win *sel = vis->win;
if (!sel)
return;
vis_window_focus(sel->next ? sel->next : vis->windows);
}