将qt布局应用于随机放置的小部件ui

这将在小部件上创建一个滚动区域,其中有3个随机放置的按钮。

void setupUi(QWidget *Widget)
{
    scrollArea = new QScrollArea(Widget);
    scrollArea->setGeometry(QRect(10, 10, 200, 200));
    scrollArea->setWidgetResizable(false); // Important! Without this, QScrollArea will try to shrink viewport widget.
    scrollAreaWidgetContents = new QWidget();
    scrollAreaWidgetContents->setGeometry(QRect(0, 0, 1000, 1000)); // Now scrollable area has size 1000x1000 px.
    pushButton = new QPushButton(scrollAreaWidgetContents);
    pushButton->setObjectName(QString::fromUtf8("pushButton"));
    pushButton->setGeometry(QRect(10, 70, 82, 23));
    pushButton_2 = new QPushButton(scrollAreaWidgetContents);
    pushButton_2->setObjectName(QString::fromUtf8("pushButton_2"));
    pushButton_2->setGeometry(QRect(130, 110, 82, 23));
    pushButton_3 = new QPushButton(scrollAreaWidgetContents);
    pushButton_3->setObjectName(QString::fromUtf8("pushButton_3"));
    pushButton_3->setGeometry(QRect(70, 170, 82, 23));
    scrollArea->setWidget(scrollAreaWidgetContents);
} // setupUi