feat:显示包信息

src/appdelegate.cpp

@@ -6,30 +6,78 @@ AppDelegate::AppDelegate(QObject *parent) : QStyledItemDelegate(parent) {}
 
 void AppDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
-    QStyledItemDelegate::paint(painter, option, index);
+    painter->save();
 
-    // 获取数据
+    // 绘制背景
+    if (option.state & QStyle::State_Selected) {
+        painter->fillRect(option.rect, option.palette.highlight());
+    } else {
+        painter->fillRect(option.rect, QColor("#F3F4F6")); 
+    }
+
+    // 设置字体
+    QFont boldFont = option.font;
+    boldFont.setBold(true);
+
+    QFont normalFont = option.font;
+
+    // 数据
     QString name = index.data(Qt::DisplayRole).toString();
     QString currentVersion = index.data(Qt::UserRole + 2).toString();
     QString newVersion = index.data(Qt::UserRole + 3).toString();
     QString iconPath = index.data(Qt::UserRole + 4).toString();
-    // 获取包大小数据
+    QString size = index.data(Qt::UserRole + 5).toString();
-    QVariant sizeVariant = index.data(Qt::UserRole + 5);
+    QString description = index.data(Qt::UserRole + 6).toString(); // 假设额外说明文本
-    QString size = sizeVariant.isValid() ? sizeVariant.toString() : "未知";
 
-    // 绘制图标
+    // 区域定义
-    QIcon icon(iconPath);
+    QRect rect = option.rect;
-    QRect iconRect(option.rect.x() + 10, option.rect.y() + 10, 32, 32);
+    int margin = 10;
-    icon.paint(painter, iconRect);
+    int spacing = 6;
+    int iconSize = 40;
 
-    // 绘制文本，添加包大小信息
+    // 图标
-    QRect textRect(iconRect.right() + 10, option.rect.y() + 10, option.rect.width() - iconRect.width() - 20, option.rect.height() - 20);
+    QRect iconRect(rect.left() + margin, rect.top() + (rect.height() - iconSize) / 2, iconSize, iconSize);
-    painter->drawText(textRect, Qt::TextWordWrap, QString("%1\n当前版本: %2 → 新版本: %3\n包大小: %4").arg(name, currentVersion, newVersion, size));
+    QIcon(iconPath).paint(painter, iconRect);
+
+    // 文本起点
+    int textX = iconRect.right() + margin;
+    int textWidth = rect.width() - textX - 100; // 留出按钮区域
+
+    // 绘制应用名称
+    QRect nameRect(textX, rect.top() + margin, textWidth, 20);
+    painter->setFont(boldFont);
+    painter->setPen(QColor("#333333")); // 改为深色，确保清晰
+    painter->drawText(nameRect, Qt::AlignLeft | Qt::AlignVCenter, name); // 绘制应用名称
+
+    // 绘制版本信息
+    QRect versionRect(textX, nameRect.bottom() + spacing, textWidth, 20);
+    painter->setFont(normalFont);
+    painter->setPen(QColor("#888888")); // 使用浅灰色，保持对比
+    painter->drawText(versionRect, Qt::AlignLeft | Qt::AlignVCenter,
+                      QString("当前版本: %1 → 新版本: %2").arg(currentVersion, newVersion));
+
+    // 描述行
+    QRect descRect(textX, versionRect.bottom() + spacing, textWidth, 40);
+    painter->setFont(normalFont);
+    painter->setPen(QColor("#AAAAAA"));
+    painter->drawText(descRect, Qt::TextWordWrap,
+                      QString("更新说明：%1\n包大小：%2").arg(description, size));
+
+    // 更新按钮（样式占位）
+    QRect buttonRect(rect.right() - 80, rect.top() + (rect.height() - 30) / 2, 70, 30);
+    painter->setPen(Qt::NoPen);
+    painter->setBrush(QColor("#267AFF"));
+    painter->drawRoundedRect(buttonRect, 6, 6);
+    painter->setPen(Qt::white);
+    painter->drawText(buttonRect, Qt::AlignCenter, "更新");
+
+    painter->restore();
 }
 
+
 QSize AppDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
-    return QSize(option.rect.width(), 60); // 每行高度 60
+    return QSize(option.rect.width(), 110); // 每行高度 110
 }
 
 bool AppDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)