#include "cornerMonitorLauncher.h"
#include <QMdiArea>
#include <QPainter>
#include <QMouseEvent>
#include <QMenu>

CornerMonitorLauncher::CornerMonitorLauncher(QMdiArea* parent)
    : QWidget(parent)
    ,m_mdiArea(parent)
{
    setFixedSize(48, 48);
    setWindowFlags(Qt::Tool | Qt::FramelessWindowHint);
    setAttribute(Qt::WA_TranslucentBackground);

    positionAtCorner();
}

CornerMonitorLauncher::~CornerMonitorLauncher()
{

}

void CornerMonitorLauncher::showDlg()
{
    show();
    positionAtCorner();
}

void CornerMonitorLauncher::paintEvent(QPaintEvent* event)
{
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing);

    // 绘制圆形按钮
    painter.setBrush(QColor(255, 255, 255, 240));
    painter.setPen(QPen(QColor(200, 200, 200), 1));
    painter.drawEllipse(rect().adjusted(1, 1, -1, -1));

    // 绘制+号
    painter.setPen(QPen(QColor(100, 100, 100), 2));
    painter.drawLine(width()/2 - 8, height()/2, width()/2 + 8, height()/2);
    painter.drawLine(width()/2, height()/2 - 8, width()/2, height()/2 + 8);
}

void CornerMonitorLauncher::mousePressEvent(QMouseEvent* event)
{
    if (event->button() == Qt::LeftButton) {
        showQuickMenu();
    }
}

void CornerMonitorLauncher::showQuickMenu() {
    QMenu menu;
    menu.setStyleSheet(R"(
            QMenu {
                background: white;
                border: 1px solid #dee2e6;
                border-radius: 4px;
            }
            QMenu::item {
                padding: 6px 20px 6px 10px;
            }
            QMenu::item:selected {
                background: #f8f9fa;
            }
        )");

    menu.addAction("加载运行时监控", [&]{ emit openLoadMonitorDlg();});
    menu.exec(mapToGlobal(QPoint(0, height())));
}

void CornerMonitorLauncher::positionAtCorner() {
    QPoint topRight = m_mdiArea->mapToGlobal(m_mdiArea->rect().topRight());
    int x = topRight.x() - width() - 20;
    int y = topRight.y() + 20;
    move(x, y);
}