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Pms: BUG-332111
deepin-ci-robot added a commit to linuxdeepin/dde-session-shell-snipe that referenced this pull request Sep 4, 2025
Synchronize source files from linuxdeepin/dde-session-shell.

Source-pull-request: linuxdeepin/dde-session-shell#32
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deepin pr auto review

这段代码实现了根据用户数量调整布局的功能,我来仔细审查并提供改进建议:

  1. 代码逻辑:
  • 当前逻辑根据用户数量(m_flowLayout->count())是否小于等于参数count来决定布局方式
  • 单行时设置固定高度并限制中心组件高度
  • 多行时设置两倍高度并清除中心组件的高度限制
  1. 改进建议:

a) 代码可读性:

// 建议添加有意义的常量定义
const int SINGLE_ROW_HEIGHT_PADDING = 20;
const int MULTI_ROW_BASE_HEIGHT = 2;

b) 代码健壮性:

// 应该添加参数有效性检查
if (width <= 0 || userWidgetHeight <= 0) {
    return;
}

c) 代码性能:

  • 当前代码在每次布局更新时都会重新计算,可以考虑添加缓存机制
  • 建议将频繁使用的计算结果存储为成员变量

d) 代码安全:

// 应该添加对m_flowLayout和m_scrollArea的空指针检查
if (!m_flowLayout || !m_scrollArea || !m_centerWidget) {
    return;
}

e) 代码优化建议:

void UserFrameList::updateLayout(int width)
{
    // 参数有效性检查
    if (width <= 0 || !m_flowLayout || !m_scrollArea || !m_centerWidget) {
        return;
    }

    const int userWidgetHeight = /* 获取用户组件高度 */;
    if (userWidgetHeight <= 0) {
        return;
    }

    const int countWidth = /* 计算宽度 */;
    const int userCount = m_flowLayout->count();
    const bool isSingleRow = userCount <= count;

    // 使用常量提高可读性
    const int scrollAreaHeight = isSingleRow 
        ? userWidgetHeight + SINGLE_ROW_HEIGHT_PADDING
        : (userWidgetHeight + UserFrameSpacing) * MULTI_ROW_BASE_HEIGHT;

    m_scrollArea->setFixedSize(countWidth, scrollAreaHeight);
    
    // 根据行数设置中心组件高度限制
    m_centerWidget->setMaximumHeight(isSingleRow 
        ? m_scrollArea->height() 
        : QWIDGETSIZE_MAX);

    m_centerWidget->setFixedWidth(m_scrollArea->width() - 10);
}
  1. 其他建议:
  • 考虑将布局相关的常量提取到类定义中作为静态常量
  • 可以添加日志记录布局变化,便于调试
  • 建议添加注释说明布局算法的预期行为和边界情况
  1. 性能优化:
  • 如果布局更新频繁,可以考虑添加防抖机制
  • 对于大型用户列表,考虑虚拟化或分页加载
  1. 代码风格:
  • 保持一致的缩进和空格使用
  • 考虑将复杂的条件判断提取为独立的布尔函数
  • 建议使用更具描述性的变量名,如isSingleRow代替count

这些改进将提高代码的可读性、健壮性和可维护性,同时确保在各种边界条件下的正确表现。

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: robertkill, yixinshark

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@yixinshark yixinshark merged commit e3b40b9 into linuxdeepin:master Sep 4, 2025
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yixinshark pushed a commit to linuxdeepin/dde-session-shell-snipe that referenced this pull request Sep 4, 2025
Synchronize source files from linuxdeepin/dde-session-shell.

Source-pull-request: linuxdeepin/dde-session-shell#32
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3 participants