#include "appinit.h"
#include "quihelper.h"

QScopedPointer<AppInit> AppInit::self;
AppInit *AppInit::Instance()
{
    if (self.isNull()) {
        static QMutex mutex;
        QMutexLocker locker(&mutex);
        if (self.isNull()) {
            self.reset(new AppInit);
        }
    }

    return self.data();
}

AppInit::AppInit(QObject *parent) : QObject(parent)
{
}

bool AppInit::eventFilter(QObject *watched, QEvent *event)
{
    QWidget *w = (QWidget *)watched;
    if (!w->property("canMove").toBool()) {
        return QObject::eventFilter(watched, event);
    }

    static QPoint mousePoint;
    static bool mousePressed = false;

    QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
    if (mouseEvent->type() == QEvent::MouseButtonPress) {
        if (mouseEvent->button() == Qt::LeftButton) {
            mousePressed = true;
            mousePoint = mouseEvent->globalPos() - w->pos();
        }
    } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
        mousePressed = false;
    } else if (mouseEvent->type() == QEvent::MouseMove) {
        if (mousePressed) {
            w->move(mouseEvent->globalPos() - mousePoint);
            return true;
        }
    }

    return QObject::eventFilter(watched, event);
}

void AppInit::start()
{
    //绑定全局事件过滤器,整体无边框拖动
    qApp->installEventFilter(this);

    //设置全局字体
    QUIHelper::setFont();
    //设置中文编码
    QUIHelper::setCode();
    //设置翻译文件
    QUIHelper::setTranslator();

    //读取配置文件
    AppConfig::ConfigFile = QString("%1/%2.ini").arg(QUIHelper::appPath()).arg(QUIHelper::appName());
    AppConfig::readConfig();

    //加载样式表
    this->initStyle(AppConfig::StyleName);
}

void AppInit::initStyle(const QString &qssFile)
{
    QFile file(qssFile);
    if (file.open(QFile::ReadOnly)) {
        QString qss = QLatin1String(file.readAll());
        file.close();

        QUIStyle::getQssColor(qss, QUIConfig::TextColor, QUIConfig::PanelColor, QUIConfig::BorderColor, QUIConfig::NormalColorStart,
                              QUIConfig::NormalColorEnd, QUIConfig::DarkColorStart, QUIConfig::DarkColorEnd, QUIConfig::HighColor);

        //追加额外的样式
        QStringList list;

        //菜单栏左侧线条为0,不然重叠很难看
        list.append("QMenuBar{border-left-width:0px;}");
        //树状菜单上边和下边线条去掉,顶部往下移动一点像素
        list.append("QTreeWidget{border-width:0px 1px 0px 0px;padding-top:3px;}");
        //边框为0
        list.append("QTableWidget{border-width:1px 0px 0px 0px;}");
        list.append("QHeaderView::section{border-width:0px 0px 1px 1px;}");
        list.append("#labOpenGL{font:50px;}");

        list.append(QString("#labLogo{background-color:%1;}").arg(QUIConfig::NormalColorStart));
        list.append(QString("#widgetOpenGL{background-color:%1;}").arg(QUIConfig::NormalColorStart));
        list.append(QString("NavTitle{qproperty-leftIcon:0;qproperty-bgColor:%1;qproperty-textColor:%2;"
                            "qproperty-iconNormalColor:%2;qproperty-iconHoverColor:%2;qproperty-iconPressColor:%2;}")
                    .arg(QUIConfig::BorderColor).arg(QUIConfig::TextColor));

        qss += list.join("");
        qApp->setPalette(QPalette(QUIConfig::PanelColor));
        qApp->setStyleSheet(qss);
        emit changeStyle(qssFile);
    }
}