Qt/QT_Assistant/Assistant/flyme/flyme.cpp

#include "flyme/flyme.h"
#include "ui_flyme.h"
#include <QDesktopWidget>
#include <QDebug>

FloatingButton::FloatingButton(QWidget *parent )
    : QPushButton(parent)
{
    FloatingButton_init();

}


FloatingButton::~FloatingButton()
{

}
void FloatingButton::FloatingButton_init()
{

    // 设置悬浮球按钮的大小和位置
    setGeometry(QRect(725, 200, 80, 80));
    setIcon(QIcon(":/icon/flow_set.png"));
    setIconSize(QSize(80, 80));

    // 设置不透明度
    setWindowOpacity(0.95);

    // 隐藏边框
    setFlat(true);

    // 设置窗口标志为窗口置顶
    setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);

//    // 将悬浮球放置在屏幕的中心位置
//    QRect screenGeometry = QApplication::desktop()->screenGeometry();
//    int x = (screenGeometry.width() - width())-50;
//    int y = (screenGeometry.height() - height()) / 2-25;
//    move(x, y);
}

void FloatingButton::mousePressEvent(QMouseEvent *event)
{
    if (event->button() == Qt::LeftButton)//表示鼠标左键的值
    {
        // 当悬浮球被按下时，发射pressed()信号
        emit pressed();
    }
}