#include "FileFolderBar.h"
#include <QPainter>
#include <queue>
namespace Flex_Qt {
File_Folder_Bar::File_Folder_Bar(QWidget* parent) : QWidget(parent) {
    //setAttribute(Qt::WA_OpaquePaintEvent);
}
File_Folder_Bar::~File_Folder_Bar() {}
void File_Folder_Bar::paintEvent(QPaintEvent* event) {
    QWidget::paintEvent(event);
    QPainter painter(this);
    int index = 0;
    for (File_Folder*& root : roots) {
        std::queue<File_Folder*> que;
        root->deep = 0;
        que.push(root);
        while (!que.empty()) {
            File_Folder* cur = que.front();
            que.pop();
            int n = cur->sons.size();
            cur->draw(index++, &painter);
            for (int i = 0; i < n; ++i) {
                if (cur->is_show_sons) {
                    cur->sons[i]->deep = cur->deep + 1;
                    que.push(cur->sons[i]);
                }
            }
        }
    }
    painter.end();
}
}