360 lines
14 KiB
QML
360 lines
14 KiB
QML
// SPDX-FileCopyrightText: 2026 Jokul
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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// TCP 连接清单窗口：屏幕居中的独立顶层窗口，展示当前所有 ESTABLISHED 状态的
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// TCP 连接详情（本地地址:端口、远程地址:端口、状态、进程名），数据来自 C++ 后端
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// 解析 /proc/net/tcp 与 tcp6（含进程名反查）。
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// 设计要点：
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// - 视觉风格复用 TrafficStatsWindow.qml（圆角卡片 12px、1px 边框、44px 标题栏、
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// 28x28 圆形关闭按钮 hover 淡红底）；深/浅主题由 isDarkMode 切换
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// （networkview.qml 依据 DockPalette 检测任务栏深浅后传入），默认浅色保证独立预览可用
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// - 数据通过属性注入：applet 即 networkview.qml 的 root.applet（C++ 后端对象），
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// applet.tcpConnectionList 为 QVariantList of QVariantMap，每项含
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// {localAddress, localPort, remoteAddress, remotePort, state, processName}，
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// 为 null 时组件可独立预览（显示空状态）
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// - 定时刷新：窗口可见时每 5 秒重建清单（与 C++ 后端降频周期一致），关闭时停止
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// 触发方式：右键菜单"TCP 连接清单" -> show()/raise()/requestActivate()
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// 公共能力复用：主题色取自 WindowTheme，标题栏（含关闭按钮）取自 TitleBar
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import QtQuick 2.15
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import QtQuick.Controls 2.15
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import QtQuick.Layouts 1.15
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import QtQuick.Window 2.15
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import "."
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Window {
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id: root
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// 公共主题色：集中定义于 WindowTheme.qml，随 isDarkMode 切换深浅
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WindowTheme {
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id: theme
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isDarkMode: root.isDarkMode
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}
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// 对外依赖：关闭按钮 hover 态文字高亮色，由父组件传入
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// 默认值与 networkview.qml 中 root.accentRed 一致，确保独立可用
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property color accentColor: Qt.rgba(220 / 255, 38 / 255, 38 / 255, 1)
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// 对外依赖：C++ 后端对象（NetworkMonitorApplet），由 networkview.qml 传入
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// 提供 tcpConnectionList（QVariantList of QVariantMap）；为 null 时可独立预览（显示空状态）
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property var applet: null
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// 深色模式标记：由 networkview.qml 根据 DockPalette 检测后传入；
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// 默认 false（浅色）保证组件独立预览时与原版视觉一致
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property bool isDarkMode: false
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// 表格模型：由 refreshModel() 生成的连接记录数组，每项
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// {localAddress, localPort, remoteAddress, remotePort, state, processName}
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property var connModel: []
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// 搜索关键字：非空时筛选匹配本地/远程地址、端口、进程名的连接
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property string searchText: ""
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// 筛选后的模型：searchText 为空时返回全部，否则按关键字过滤
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// 匹配字段：localAddress/localPort/remoteAddress/remotePort/processName
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readonly property var filteredModel: {
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var list = root.connModel
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if (root.searchText.length === 0) return list
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var key = root.searchText.toLowerCase()
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var result = []
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for (var i = 0; i < list.length; i++) {
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var c = list[i]
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if (String(c.localAddress).toLowerCase().indexOf(key) >= 0
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|| String(c.localPort).indexOf(key) >= 0
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|| String(c.remoteAddress).toLowerCase().indexOf(key) >= 0
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|| String(c.remotePort).indexOf(key) >= 0
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|| String(c.processName).toLowerCase().indexOf(key) >= 0) {
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result.push(c)
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}
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}
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return result
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}
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// 当前连接总数，底部汇总与顶部状态条共用
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property int connCount: 0
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// 表格列宽：与表头/行/底部汇总共用同一组固定宽度，保证各列垂直对齐
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readonly property int colLocal: 180
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readonly property int colRemote: 180
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readonly property int colState: 90
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readonly property int colSpacing: 6
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// 从 applet.tcpConnectionList 重建表格模型
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// 设计原因：连接清单数量随时变化，每次读取重建数组供 ListView 展示；
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// applet 为 null 时置空模型，保证独立预览可用
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function refreshModel() {
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var list = root.applet ? (root.applet.tcpConnectionList || []) : []
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root.connModel = list
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root.connCount = list.length
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}
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width: 680
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height: 420
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visible: false
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flags: Qt.FramelessWindowHint | Qt.Window
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modality: Qt.NonModal
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color: "transparent"
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onVisibleChanged: {
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if (visible) {
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// 居中到当前屏幕（任务栏所在屏幕），加 virtualX/virtualY 偏移
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// 避免多显示器下窗口出现在非预期屏幕
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x = Screen.virtualX + (Screen.width - width) / 2
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y = Screen.virtualY + (Screen.height - height) / 2
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// 窗口显示时立即刷新一次，确保数据最新
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refreshModel()
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}
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}
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// 定时刷新：窗口可见时按刷新间隔的 5 倍重建清单（与 C++ 后端降频周期一致），
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// 不依赖 C++ 信号；关闭时停止，兼顾实时性与性能
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Timer {
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interval: root.applet ? root.applet.refreshInterval : 1000
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repeat: true
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running: root.visible
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onTriggered: refreshModel()
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}
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// 窗口主体：圆角卡片（背景与边框随 isDarkMode 切换深浅），1px 边框模拟 DTK 窗口描边
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Rectangle {
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anchors.fill: parent
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color: theme.winBg
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radius: 12
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border.width: 1
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border.color: theme.lineColor
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ColumnLayout {
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anchors.fill: parent
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spacing: 0
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// 公共标题栏：标题文字 + 关闭按钮，整栏可拖动
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TitleBar {
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Layout.fillWidth: true
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titleText: qsTr("TCP Connections")
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textColor: theme.textPrimary
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secondaryTextColor: theme.textSecondary
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closeHoverColor: root.accentColor
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}
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// 顶部状态条：当前连接数 + 搜索框 + 刷新间隔说明
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RowLayout {
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Layout.fillWidth: true
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Layout.preferredHeight: 34
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Layout.leftMargin: 16
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Layout.rightMargin: 16
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spacing: 8
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Text {
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// 动态刷新连接总数，显示筛选后数量/总数
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text: qsTr("Active connections: ") + root.filteredModel.length + "/" + root.connCount
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font.pixelSize: 12
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font.weight: Font.Medium
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color: theme.textPrimary
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}
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// 搜索框：输入关键字筛选匹配地址/端口/进程名的连接
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TextField {
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Layout.preferredWidth: 200
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placeholderText: qsTr("Search address, port, process...")
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font.pixelSize: 12
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color: theme.textPrimary
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selectByMouse: true
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text: root.searchText
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onTextChanged: root.searchText = text
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}
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// 清除按钮：有输入时显示 ×，点击清空搜索
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Rectangle {
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visible: root.searchText.length > 0
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width: 20; height: 20
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radius: 10
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color: clearSearchMouse.containsMouse ? theme.hoverBg : "transparent"
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Text {
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anchors.centerIn: parent
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text: "×"
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font.pixelSize: 14
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color: clearSearchMouse.containsMouse ? root.accentColor : theme.textTertiary
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}
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MouseArea {
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id: clearSearchMouse
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anchors.fill: parent
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hoverEnabled: true
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cursorShape: Qt.PointingHandCursor
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onClicked: root.searchText = ""
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}
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}
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Item { Layout.fillWidth: true }
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Text {
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text: qsTr("Refreshes every 5 seconds")
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font.pixelSize: 11
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color: theme.textTertiary
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}
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}
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// 表头行：本地地址:端口 | 远程地址:端口 | 状态 | 进程名
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RowLayout {
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Layout.fillWidth: true
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Layout.leftMargin: 16
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Layout.rightMargin: 16
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Layout.topMargin: 2
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spacing: root.colSpacing
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Text {
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Layout.preferredWidth: root.colLocal
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text: qsTr("Local Address:Port")
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font.pixelSize: 11
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font.weight: Font.Bold
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color: theme.textSecondary
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}
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Text {
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Layout.preferredWidth: root.colRemote
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text: qsTr("Remote Address:Port")
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font.pixelSize: 11
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font.weight: Font.Bold
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color: theme.textSecondary
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}
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Text {
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Layout.preferredWidth: root.colState
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text: qsTr("State")
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font.pixelSize: 11
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font.weight: Font.Bold
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color: theme.textSecondary
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}
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Text {
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Layout.fillWidth: true
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text: qsTr("Process")
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font.pixelSize: 11
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font.weight: Font.Bold
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color: theme.textSecondary
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}
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}
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// 表头与内容间的分隔线
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Rectangle {
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Layout.fillWidth: true
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Layout.preferredHeight: 1
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Layout.leftMargin: 16
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Layout.rightMargin: 16
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Layout.topMargin: 4
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color: theme.lineColor
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}
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// 表格区：ListView 展示每条连接记录，行 hover 高亮
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ListView {
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Layout.fillWidth: true
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Layout.fillHeight: true
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Layout.leftMargin: 16
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Layout.rightMargin: 16
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Layout.topMargin: 2
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Layout.bottomMargin: 2
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clip: true
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model: root.filteredModel
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onCountChanged: emptyHint.visible = root.filteredModel.length === 0
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// 空状态提示（当筛选结果为空时显示）
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Item {
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id: emptyHint
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anchors.fill: parent
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visible: root.filteredModel.length === 0
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Text {
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anchors.centerIn: parent
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text: root.searchText.length > 0 ? qsTr("No matching connections") : qsTr("No active TCP connections")
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font.pixelSize: 13
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color: theme.textTertiary
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}
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}
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delegate: Rectangle {
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required property int index
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required property var modelData
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width: ListView.view.width
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height: 28
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radius: 4
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// 行 hover 高亮：浅色用淡黑、深色用淡白，保证两种卡片背景上均可见
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color: rowMouse.containsMouse ? theme.hoverBg : "transparent"
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RowLayout {
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anchors.fill: parent
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anchors.leftMargin: 8
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anchors.rightMargin: 8
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spacing: root.colSpacing
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Text {
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Layout.preferredWidth: root.colLocal
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text: modelData.localAddress + ":" + modelData.localPort
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font.pixelSize: 12
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color: theme.textPrimary
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elide: Text.ElideRight
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}
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Text {
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Layout.preferredWidth: root.colRemote
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text: modelData.remoteAddress + ":" + modelData.remotePort
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font.pixelSize: 12
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color: theme.textPrimary
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elide: Text.ElideRight
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}
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Text {
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Layout.preferredWidth: root.colState
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text: modelData.state
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font.pixelSize: 12
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color: theme.textSecondary
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elide: Text.ElideRight
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}
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Text {
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Layout.fillWidth: true
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// 进程名可能为空（反查失败），显示占位符避免空白行
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text: modelData.processName.length > 0 ? modelData.processName : "-"
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font.pixelSize: 12
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color: modelData.processName.length > 0 ? theme.textPrimary : theme.textTertiary
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elide: Text.ElideRight
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}
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}
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MouseArea {
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id: rowMouse
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anchors.fill: parent
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hoverEnabled: true
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}
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}
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}
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// 表头与底部汇总间的分隔线
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Rectangle {
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Layout.fillWidth: true
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Layout.preferredHeight: 1
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Layout.leftMargin: 16
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Layout.rightMargin: 16
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color: theme.lineColor
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}
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// 底部汇总行：连接总数
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RowLayout {
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Layout.fillWidth: true
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Layout.preferredHeight: 34
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Layout.leftMargin: 24
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Layout.rightMargin: 16
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spacing: root.colSpacing
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Text {
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Layout.fillWidth: true
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text: qsTr("Total: ") + root.filteredModel.length + "/" + root.connCount + qsTr(" connections")
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font.pixelSize: 12
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font.weight: Font.Bold
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color: theme.textPrimary
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}
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}
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}
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}
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// 数据刷新：C++ 每 5 秒更新并发射 tcpConnectionListChanged，据此重建清单；
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// 本窗口自身的 Timer 兜底，避免依赖信号时序
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Connections {
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target: root.applet
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function onTcpConnectionListChanged() {
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refreshModel()
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}
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}
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}
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