304 lines
8.9 KiB
C++
304 lines
8.9 KiB
C++
#include "QtWidgetsApplication4.h"
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#include <QPainter>
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#include <QApplication>
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#include <QVBoxLayout>
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#include <QMenu>
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#include <QDate>
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#include <QProcess>
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#include <QDir>
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#include <QDebug>
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//#include <QTextCodec>
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#include <QFileInfo>
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CardData::CardData(const QString& name, const QString& date, const QString& description)
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: name(name), date(date), description(description), activated(false)
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{
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}
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CardItemDelegate::CardItemDelegate(QObject* parent)
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: QStyledItemDelegate(parent)
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{
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}
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void CardItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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painter->setRenderHint(QPainter::Antialiasing);
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painter->save();
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// 获取数据
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CardData data = index.data(Qt::UserRole).value<CardData>();
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// 绘制卡片背景
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QRect rect = option.rect;
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rect.adjust(8, 4, -8, -4);
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// 创建圆角路径
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QPainterPath path;
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path.addRoundedRect(rect, 8, 8);
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// 绘制阴影
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QColor shadowColor(0, 0, 0, 30);
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for (int i = 0; i < 5; ++i) {
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QRect shadowRect = rect.adjusted(0, i, 0, i);
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QPainterPath shadowPath;
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shadowPath.addRoundedRect(shadowRect, 8, 8);
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painter->fillPath(shadowPath, shadowColor);
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}
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// 绘制卡片背景
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QLinearGradient gradient(rect.topLeft(), rect.bottomLeft());
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if (data.activated) {
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gradient.setColorAt(0, QColor(40, 70, 45));
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gradient.setColorAt(1, QColor(45, 80, 50));
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painter->fillPath(path, gradient);
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painter->setPen(QPen(QColor(60, 180, 90), 2));
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}
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else if (option.state & QStyle::State_Selected) {
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gradient.setColorAt(0, QColor(45, 45, 55));
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gradient.setColorAt(1, QColor(55, 55, 65));
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painter->fillPath(path, gradient);
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painter->setPen(QPen(QColor(70, 130, 180), 2));
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}
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else {
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painter->fillPath(path, QColor(35, 35, 40));
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painter->setPen(QPen(QColor(60, 60, 65)));
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}
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painter->drawPath(path);
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// 设置字体
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QFont nameFont("Microsoft YaHei", 10);
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nameFont.setBold(true);
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QFont normalFont("Microsoft YaHei", 9);
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// 计算文本区域
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int padding = 15;
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QRect nameRect = rect.adjusted(padding, padding, -padding, 0);
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nameRect.setHeight(25);
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QRect dateRect = nameRect;
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dateRect.translate(0, nameRect.height());
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QRect descRect = dateRect;
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descRect.translate(0, dateRect.height());
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descRect.setHeight(40);
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// 绘制文本
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painter->setFont(nameFont);
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painter->setPen(Qt::white);
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painter->drawText(nameRect, Qt::AlignLeft | Qt::AlignVCenter, data.name);
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painter->setFont(normalFont);
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painter->setPen(QColor(180, 180, 180));
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painter->drawText(dateRect, Qt::AlignLeft | Qt::AlignVCenter, data.date);
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painter->setPen(QColor(160, 160, 160));
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painter->drawText(descRect, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
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data.description);
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painter->restore();
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}
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QSize CardItemDelegate::sizeHint(const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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Q_UNUSED(option);
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Q_UNUSED(index);
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return QSize(380, 130);
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}
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MainWindow::MainWindow(QWidget* parent)
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: QWidget(parent)
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{
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setupUI();
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setupStyle();
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// 添加示例数据
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for (int i = 1; i <= 10; ++i) {
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CardData data(
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QString("项目 %1").arg(i),
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QDate::currentDate().toString("yyyy-MM-dd"),
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QString("这是项目 %1 的详细描述信息，可以包含多行文本内容。这是一个较长的描述，用于测试换行效果。").arg(i)
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);
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addCardItem(data);
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}
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}
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void MainWindow::setupUI()
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{
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setWindowTitle(tr("卡片列表示例"));
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resize(400, 600);
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QVBoxLayout* layout = new QVBoxLayout(this);
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layout->setContentsMargins(10, 10, 10, 10);
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layout->setSpacing(0);
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listWidget = new QListWidget(this);
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listWidget->setSpacing(10);
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listWidget->setResizeMode(QListWidget::Adjust);
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listWidget->setUniformItemSizes(false);
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listWidget->setViewMode(QListWidget::ListMode);
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listWidget->setVerticalScrollMode(QListWidget::ScrollPerPixel);
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listWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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CardItemDelegate* delegate = new CardItemDelegate(listWidget);
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listWidget->setItemDelegate(delegate);
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// 连接信号
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connect(listWidget, &QListWidget::itemDoubleClicked,
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this, &MainWindow::onItemDoubleClicked);
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listWidget->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(listWidget, &QListWidget::customContextMenuRequested,
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this, &MainWindow::showContextMenu);
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layout->addWidget(listWidget);
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}
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void MainWindow::setupStyle()
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{
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setStyleSheet("QWidget {"
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" background-color: #1e1e1e;"
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"}"
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"QListWidget {"
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" background-color: #1e1e1e;"
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" border: none;"
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" outline: none;"
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"}"
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"QListWidget::item {"
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" background-color: transparent;"
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" padding: 4px;"
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"}"
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"QListWidget::item:selected {"
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" background-color: transparent;"
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"}"
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"QScrollBar:vertical {"
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" border: none;"
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" background: #1e1e1e;"
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" width: 8px;"
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" margin: 0px;"
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"}"
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"QScrollBar::handle:vertical {"
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" background: #404040;"
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" min-height: 20px;"
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" border-radius: 4px;"
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"}"
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"QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {"
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" height: 0px;"
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"}"
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"QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {"
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" background: none;"
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"}"
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"QMenu {"
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" background-color: #2d2d2d;"
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" border: 1px solid #404040;"
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" padding: 5px;"
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"}"
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"QMenu::item {"
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" background-color: transparent;"
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" padding: 6px 25px;"
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" border-radius: 4px;"
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" color: #ffffff;"
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"}"
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"QMenu::item:selected {"
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" background-color: #404040;"
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"}"
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"QMenu::separator {"
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" height: 1px;"
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" background: #404040;"
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" margin: 5px 0px;"
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"}"
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);
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}
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void MainWindow::addCardItem(const CardData& data)
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{
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QListWidgetItem* item = new QListWidgetItem(listWidget);
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item->setData(Qt::UserRole, QVariant::fromValue(data));
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item->setSizeHint(QSize(380, 120));
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item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
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}
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void MainWindow::onItemDoubleClicked(QListWidgetItem* item)
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{
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// 先将所有项目设置为未激活状态
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for (int row = 0; row < listWidget->count(); ++row) {
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QListWidgetItem* currentItem = listWidget->item(row);
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CardData data = currentItem->data(Qt::UserRole).value<CardData>();
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data.activated = false;
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currentItem->setData(Qt::UserRole, QVariant::fromValue(data));
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}
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// 设置当前点击项目为激活状态
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CardData data = item->data(Qt::UserRole).value<CardData>();
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data.activated = true;
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item->setData(Qt::UserRole, QVariant::fromValue(data));
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listWidget->viewport()->update();
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}
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void MainWindow::showContextMenu(const QPoint& pos)
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{
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QListWidgetItem* item = listWidget->itemAt(pos);
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if (!item) return;
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QMenu menu(this);
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QAction* sendAction = menu.addAction(tr("发送到设备"));
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menu.addSeparator();
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QAction* editAction = menu.addAction(tr("修改"));
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QAction* deleteAction = menu.addAction(tr("删除"));
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menu.addSeparator();
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QAction* showInExplorerAction = menu.addAction(tr("在资源管理器中显示"));
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// 设置图标
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sendAction->setIcon(QIcon::fromTheme("document-send"));
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editAction->setIcon(QIcon::fromTheme("document-edit"));
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deleteAction->setIcon(QIcon::fromTheme("document-delete"));
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showInExplorerAction->setIcon(QIcon::fromTheme("folder"));
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QAction* action = menu.exec(listWidget->viewport()->mapToGlobal(pos));
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if (!action) return;
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if (action == sendAction)
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sendToDevice(item);
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else if (action == editAction)
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editItem(item);
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else if (action == deleteAction)
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deleteItem(item);
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else if (action == showInExplorerAction)
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showInExplorer(item);
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}
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void MainWindow::sendToDevice(QListWidgetItem* item)
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{
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CardData data = item->data(Qt::UserRole).value<CardData>();
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qDebug() << "发送到设备:" << data.name;
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}
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void MainWindow::editItem(QListWidgetItem* item)
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{
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CardData data = item->data(Qt::UserRole).value<CardData>();
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qDebug() << "编辑项目:" << data.name;
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}
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void MainWindow::deleteItem(QListWidgetItem* item)
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{
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int row = listWidget->row(item);
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delete listWidget->takeItem(row);
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}
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void MainWindow::showInExplorer(QListWidgetItem* item)
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{
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QString path = QDir::currentPath();
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#ifdef Q_OS_WIN
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QProcess::startDetached("explorer.exe", { "/select,", QDir::toNativeSeparators(path) });
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#elif defined(Q_OS_MAC)
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QProcess::startDetached("open", { "-R", path });
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#else
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QProcess::startDetached("xdg-open", { QFileInfo(path).path() });
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#endif
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}
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