分享QListWidget水平滑动示例

QListWidget *view = new QListWidget;

view->setViewMode(QListView::ListMode);

view->setFlow(QListView::LeftToRight);

view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); 

view->setHorizontalScrollMode(QListWidget::ScrollPerPixel);

QScroller::grabGesture(view,QScroller::LeftMouseButtonGesture);

for (int i = 0; i < 10; i++) {
    QListWidgetItem *item = new QListWidgetItem(QString::number(i));
    /* 设置文字居中 */
    item->setTextAlignment(Qt::AlignCenter);
    view->addItem(item);
}

view->setStyleSheet(R"(
    QListWidget { outline: none; border:1px solid gray; color: black; }
    QListWidget::Item { width: 50px; height: 50px; }
    QListWidget::Item:hover { background: #4CAF50; color: white; }
    QListWidget::item:selected { background: #e7e7e7; color: #f44336; }
    QListWidget::item:selected:!active { background: lightgreen; }
                    )");

view->show();

#include <QApplication>
#include <QListWidget>
#include <QStringListModel>
#include <QScroller>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QListWidget *view = new QListWidget;
    view->setWindowTitle(QString::fromLocal8Bit("ListWidget by Qt君"));
    view->resize(QSize(350, 50));

    /* 设置为列表显示模式 */
    view->setViewMode(QListView::ListMode);

    /* 从左往右排列 */
    view->setFlow(QListView::LeftToRight);

    /* 屏蔽水平滑动条 */
    view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    /* 屏蔽垂直滑动条 */
    view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    /* 设置为像素滚动 */
    view->setHorizontalScrollMode(QListWidget::ScrollPerPixel);

    /* 设置鼠标左键拖动 */
    QScroller::grabGesture(view,QScroller::LeftMouseButtonGesture);

    /* 装载数据 */
    for (int i = 0; i < 10; i++) {
        QListWidgetItem *item = new QListWidgetItem(QString::number(i));
        /* 设置文字居中 */
        item->setTextAlignment(Qt::AlignCenter);
        view->addItem(item);
    }

    /* 设置样式 */
    view->setStyleSheet(R"(
        QListWidget { outline: none; border:1px solid gray; color: black; }
        QListWidget::Item { width: 50px; height: 50px; }
        QListWidget::Item:hover { background: #4CAF50; color: white; }
        QListWidget::item:selected { background: #e7e7e7; color: #f44336; }
        QListWidget::item:selected:!active { background: lightgreen; }
                        )");
    view->show();

    return a.exec();
}