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https://gitee.com/spark-store-project/spark-store
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25 lines
801 B
C++
25 lines
801 B
C++
#include "smoothlistwidget.h"
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#include <QVBoxLayout>
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#include <QLabel>
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#include <QWheelEvent>
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#include <QDebug>
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SmoothListWidget::SmoothListWidget(QWidget *parent) : QListWidget(parent)
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{
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vScrollBar->setOrientation(Qt::Orientation::Vertical); // 将滚动条设置为纵向
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setVerticalScrollBar(vScrollBar); // 设置纵向滚动条
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connect(vScrollBar, SIGNAL(valueChanged(int)), this, SLOT(onSliderChanged(int)));
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}
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void SmoothListWidget::wheelEvent(QWheelEvent *e)
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{
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// 当捕获到事件后，调用相对滚动的槽函数
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vScrollBar->scroll(e->angleDelta().y());
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}
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void SmoothListWidget::onSliderChanged(int p)
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{
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if (p == vScrollBar->maximum())
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{
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emit reachedBottom(); // 1
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}
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emit msliderChanged(p); // 2
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}
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