feat: 实现网络速度监控任务栏插件

- 添加 C++ 后端 NetworkMonitorApplet，监控网络下载/上传速度 - 添加 QML 前端 networkview.qml，显示实时速度和流量统计 - 支持多网络接口切换 - 任务栏图标显示实时速度，高速时变色 - 悬停显示速度摘要，点击显示详细信息弹窗 - 添加安装脚本 install.sh - 添加 .gitignore 排除构建目录
2026-07-18 10:57:23 +08:00
parent 0b3cc74bc8
commit 011a5c7e86
8 changed files with 969 additions and 29 deletions
@@ -0,0 +1,95 @@
+// SPDX-FileCopyrightText: 2024 MyCompany
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#pragma once
+
+#include <applet.h>
+
+#include <QString>
+#include <QStringList>
+#include <QTimer>
+#include <QVariantList>
+#include <QMap>
+
+DS_BEGIN_NAMESPACE
+
+struct NetworkInterface {
+    QString name;           // 接口名称，如 "eth0", "wlan0"
+    qint64 rxBytes;         // 接收字节数
+    qint64 txBytes;         // 发送字节数
+    qint64 rxPackets;       // 接收包数
+    qint64 txPackets;       // 发送包数
+    qint64 rxErrors;        // 接收错误数
+    qint64 txErrors;        // 发送错误数
+    qint64 rxDropped;       // 接收丢弃数
+    qint64 txDropped;       // 发送丢弃数
+};
+
+class NetworkMonitorApplet : public DApplet
+{
+    Q_OBJECT
+
+    Q_PROPERTY(qint64 downloadSpeed READ downloadSpeed NOTIFY speedChanged)
+    Q_PROPERTY(qint64 uploadSpeed READ uploadSpeed NOTIFY speedChanged)
+    Q_PROPERTY(qint64 totalDownload READ totalDownload NOTIFY totalChanged)
+    Q_PROPERTY(qint64 totalUpload READ totalUpload NOTIFY totalChanged)
+    Q_PROPERTY(QStringList networkInterfaces READ networkInterfaces NOTIFY interfacesChanged)
+    Q_PROPERTY(QStringList interfaceStats READ interfaceStats NOTIFY statsChanged)
+    Q_PROPERTY(bool ready READ ready NOTIFY readyChanged)
+    Q_PROPERTY(QString activeInterface READ activeInterface NOTIFY activeInterfaceChanged)
+
+public:
+    explicit NetworkMonitorApplet(QObject *parent = nullptr);
+    ~NetworkMonitorApplet();
+
+    virtual bool load() override;
+    virtual bool init() override;
+
+    qint64 downloadSpeed() const;
+    qint64 uploadSpeed() const;
+    qint64 totalDownload() const;
+    qint64 totalUpload() const;
+    QStringList networkInterfaces() const;
+    QStringList interfaceStats() const;
+    bool ready() const;
+    QString activeInterface() const;
+
+    Q_INVOKABLE void refresh();
+    Q_INVOKABLE void setActiveInterface(const QString &interface);
+
+signals:
+    void speedChanged();
+    void totalChanged();
+    void interfacesChanged();
+    void statsChanged();
+    void readyChanged();
+    void activeInterfaceChanged();
+
+private:
+    void readNetworkStats();
+    void calculateSpeed();
+    void detectInterfaces();
+    qint64 getActiveRxBytes() const;
+    qint64 getActiveTxBytes() const;
+
+    QTimer *m_refreshTimer;
+    QMap<QString, NetworkInterface> m_interfaces;
+    QStringList m_interfaceList;
+    QString m_activeInterface;
+    
+    // 速度计算
+    qint64 m_lastRxBytes;
+    qint64 m_lastTxBytes;
+    qint64 m_downloadSpeed;
+    qint64 m_uploadSpeed;
+    
+    // 总量
+    qint64 m_totalDownload;
+    qint64 m_totalUpload;
+    
+    bool m_ready;
+    bool m_firstUpdate;
+};
+
+DS_END_NAMESPACE