Qt界面坐标

x：左上角距屏幕左上角的水平距离

y：左上角距屏幕左上角的竖直距离

geometry几何属性：整个窗体的属性用frameGeometry()，客户区的属性用geometry()。

#include "QtWidgets0628.h"
#include <QtWidgets/QApplication>
#include <qdebug.h>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QtWidgets0628 w;
    w.show();
    
    //整个窗体的左上角、宽高
    qDebug() << "w.frameGeometry()" << ":" << w.frameGeometry().x() << "," << w.frameGeometry().y() << "," << w.frameGeometry().width() << "," << w.frameGeometry().height();
    //客户区的左上角、宽高
    qDebug() << "w.geometry()" << ":" << w.geometry().x() << "," << w.geometry().y() << "," << w.geometry().width() << "," << w.geometry().height();
    //整个窗体的左上角、客户区的宽高
    qDebug() << "w" << ":" << w.x() << "," << w.y() << "," << w.width() << "," << w.height();

    return a.exec();
}