给每一个combobox(idea数组)设置一个搜索框completer(ideaFilter数组),但是不起作用
idea[i].setEditable(true);
ideaFilter[i].setParent(this);
ideaFilter[i].setCompletionMode(QCompleter::PopupCompletion);
ideaFilter[i].setFilterMode(Qt::MatchContains);
idea[i].setCompleter(&(ideaFilter[i]));