Your Name
57092cad03
- ui/theme.py: light/dark QSS stylesheets, persisted to ~/.sshclient/settings.json - main_window.py: View menu with dark theme checkbox, applies on startup - ui/widgets.py: SparklineChart widget for mini trend visualization - MonitorPanel: CPU and memory sparkline charts showing last 60 samples - Charts cleared on stop/switch host
377 lines
14 KiB
Python
377 lines
14 KiB
Python
"""
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主窗口
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- 左侧：主机列表 + 操作
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- 右侧：标签页（终端、文件浏览、监控、AI Agent）
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"""
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import sys
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import time
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from typing import Optional
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from PyQt5.QtCore import Qt, QSize
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from PyQt5.QtGui import QFont, QIcon
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from PyQt5.QtWidgets import (
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QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QListWidget, QListWidgetItem,
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QPushButton, QLineEdit, QLabel, QSplitter, QTabWidget,
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QGroupBox, QFormLayout, QMessageBox, QStatusBar, QAction,
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QFileDialog, QInputDialog, QToolBar, QApplication, QStyle,
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)
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from core.manager import ConnectionManager
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from core.ai_agent import AIAgent
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from .workers import ConnectWorker
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from .widgets import FileBrowser, MonitorPanel, AIChatPanel
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from .config_dialog import AIConfigDialog
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from .terminal_panel import TerminalPanel
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from .theme import get_qss, get_theme, set_theme
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APP_NAME = "SSHClient"
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APP_VERSION = "1.0.0"
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class MainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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self.setWindowTitle(f"{APP_NAME} v{APP_VERSION} - AI 增强 SSH 客户端")
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self.resize(1280, 800)
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self.manager = ConnectionManager()
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self.agent = AIAgent()
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self.current_host_id: Optional[str] = None
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self.connect_worker: Optional[ConnectWorker] = None
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self._build_ui()
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self._build_menu()
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self._build_statusbar()
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self._apply_theme()
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self._load_hosts_to_list()
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# ============================================================
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# UI 构建
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# ============================================================
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def _build_ui(self):
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central = QWidget()
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self.setCentralWidget(central)
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root = QHBoxLayout(central)
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root.setContentsMargins(6, 6, 6, 6)
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root.setSpacing(6)
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splitter = QSplitter(Qt.Horizontal)
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root.addWidget(splitter)
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# ====== 左侧：主机面板 ======
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left = QWidget()
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lv = QVBoxLayout(left)
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lv.setContentsMargins(4, 4, 4, 4)
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lv.setSpacing(6)
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host_title = QLabel("🖥 主机")
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host_title.setStyleSheet("font-size: 12pt; font-weight: bold; padding: 4px;")
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lv.addWidget(host_title)
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self.host_list = QListWidget()
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self.host_list.itemSelectionChanged.connect(self._on_host_selected)
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self.host_list.itemDoubleClicked.connect(lambda _: self._do_connect())
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lv.addWidget(self.host_list, 1)
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# 主机操作按钮
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btn_grid = QVBoxLayout()
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btn_grid.setSpacing(4)
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self.btn_add = QPushButton("➕ 新增主机")
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self.btn_add.clicked.connect(self._add_host)
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self.btn_edit = QPushButton("✏ 编辑")
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self.btn_edit.clicked.connect(self._edit_host)
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self.btn_delete = QPushButton("🗑 删除")
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self.btn_delete.clicked.connect(self._delete_host)
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self.btn_connect = QPushButton("🔌 连接")
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self.btn_connect.clicked.connect(self._do_connect)
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self.btn_disconnect = QPushButton("⛔ 断开")
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self.btn_disconnect.clicked.connect(self._do_disconnect)
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for b in (self.btn_add, self.btn_edit, self.btn_delete,
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self.btn_connect, self.btn_disconnect):
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btn_grid.addWidget(b)
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lv.addLayout(btn_grid)
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# 连接状态
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self.conn_status_label = QLabel("未选择")
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self.conn_status_label.setStyleSheet("color: #666; padding: 4px;")
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lv.addWidget(self.conn_status_label)
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splitter.addWidget(left)
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# ====== 右侧：Tab 区 ======
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self.tabs = QTabWidget()
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self.tabs.setDocumentMode(True)
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# Tab1: 终端
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self.terminal_panel = TerminalPanel()
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self.tabs.addTab(self.terminal_panel, "⌨ 终端")
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# Tab2: 文件浏览
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self.file_browser = FileBrowser(self.manager)
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self.tabs.addTab(self.file_browser, "📁 文件")
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# Tab3: 监控
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self.monitor = MonitorPanel(self.manager)
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self.tabs.addTab(self.monitor, "📊 监控")
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# Tab4: AI Agent
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self.ai_panel = AIChatPanel(self.manager, self.agent)
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self.tabs.addTab(self.ai_panel, "🤖 AI Agent")
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splitter.addWidget(self.tabs)
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splitter.setSizes([280, 1000])
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def _build_menu(self):
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menubar = self.menuBar()
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# 文件
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m_file = menubar.addMenu("文件(&F)")
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act_export = QAction("导出主机配置", self)
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act_export.triggered.connect(self._export_hosts)
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m_file.addAction(act_export)
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act_import = QAction("导入主机配置", self)
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act_import.triggered.connect(self._import_hosts)
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m_file.addAction(act_import)
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m_file.addSeparator()
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act_exit = QAction("退出", self)
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act_exit.setShortcut("Ctrl+Q")
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act_exit.triggered.connect(self.close)
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m_file.addAction(act_exit)
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# AI
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m_ai = menubar.addMenu("AI(&A)")
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act_ai = QAction("⚙ AI 设置...", self)
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act_ai.triggered.connect(self._show_ai_config)
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m_ai.addAction(act_ai)
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act_clear = QAction("清空 AI 对话", self)
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act_clear.triggered.connect(lambda: self.ai_panel._clear())
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m_ai.addAction(act_clear)
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# 视图
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m_view = menubar.addMenu("视图(&V)")
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self.act_dark = QAction("🌙 暗色主题", self, checkable=True)
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self.act_dark.setChecked(get_theme() == "dark")
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self.act_dark.triggered.connect(self._toggle_theme)
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m_view.addAction(self.act_dark)
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# 帮助
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m_help = menubar.addMenu("帮助(&H)")
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act_about = QAction("关于", self)
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act_about.triggered.connect(self._about)
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m_help.addAction(act_about)
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def _build_statusbar(self):
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self.statusBar().showMessage(f"{APP_NAME} v{APP_VERSION} 就绪")
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# ============================================================
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# 主机列表
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# ============================================================
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def _load_hosts_to_list(self):
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self.host_list.clear()
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for h in self.manager.list_hosts():
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item = QListWidgetItem(f"{h.get('name', h.get('host'))}\n {h.get('username','')}@{h.get('host','')}:{h.get('port',22)}")
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item.setData(Qt.UserRole, h.get("id"))
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self.host_list.addItem(item)
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# 默认选中第一项
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if self.host_list.count() > 0:
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self.host_list.setCurrentRow(0)
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self._refresh_status_indicator()
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def _on_host_selected(self):
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items = self.host_list.selectedItems()
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if not items:
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self.current_host_id = None
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self.terminal_panel.close_shell()
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self.terminal_panel._set_status("未选择主机", "#888")
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self.terminal_panel.bottom_label.setText(
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"提示: 连接主机后这里会出现真实的 shell 提示符，可直接键入命令"
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)
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return
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host_id = items[0].data(Qt.UserRole)
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self.current_host_id = host_id
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# 切换主机时关闭旧 shell
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self.terminal_panel.close_shell()
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self.file_browser.set_host(host_id)
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self.monitor.set_host(host_id)
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self.ai_panel.set_host(host_id)
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self._refresh_status_indicator()
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# 如果已连接，立即打开新 shell
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conn = self.manager.get_connection(host_id)
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if conn and conn.connected:
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self.terminal_panel.attach(conn)
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self.tabs.setCurrentIndex(0) # 切到终端 Tab 让用户看到
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else:
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self.terminal_panel._set_status(f"未连接: 请点击「🔌 连接」", "#c62828")
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def _refresh_status_indicator(self):
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if not self.current_host_id:
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self.conn_status_label.setText("未选择主机")
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return
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c = self.manager.get_connection(self.current_host_id)
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if c and c.connected:
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self.conn_status_label.setText(f"🟢 已连接: {c.username}@{c.host}:{c.port}")
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self.conn_status_label.setStyleSheet("color: #2e7d32; padding: 4px;")
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else:
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self.conn_status_label.setText("🔴 未连接")
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self.conn_status_label.setStyleSheet("color: #c62828; padding: 4px;")
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def terminal_input_set_enabled(self, enabled: bool):
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self.cmd_input.setEnabled(enabled)
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self.btn_run.setEnabled(enabled)
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# ============================================================
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# 主机 CRUD
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# ============================================================
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def _add_host(self):
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info = self._prompt_host_info()
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if info is None:
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return
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self.manager.add_host(info)
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self._load_hosts_to_list()
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self.statusBar().showMessage("已新增主机", 3000)
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def _edit_host(self):
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if not self.current_host_id:
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return
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h = self.manager.get_host(self.current_host_id)
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if not h:
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return
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info = self._prompt_host_info(h)
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if info is None:
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return
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self.manager.update_host(self.current_host_id, info)
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self._load_hosts_to_list()
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self.statusBar().showMessage("已更新主机", 3000)
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def _delete_host(self):
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if not self.current_host_id:
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return
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h = self.manager.get_host(self.current_host_id)
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if not h:
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return
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if QMessageBox.question(
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self, "确认删除",
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f"确定删除主机「{h.get('name', h.get('host'))}」？",
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QMessageBox.Yes | QMessageBox.No
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) != QMessageBox.Yes:
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return
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self.manager.remove_host(self.current_host_id)
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self._load_hosts_to_list()
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self.statusBar().showMessage("已删除", 3000)
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def _prompt_host_info(self, current: Optional[dict] = None):
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from .host_dialog import HostDialog
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dlg = HostDialog(self, current)
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if dlg.exec_() == dlg.Accepted:
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return dlg.get_value()
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return None
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# ============================================================
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# 连接
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# ============================================================
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def _do_connect(self):
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if not self.current_host_id:
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QMessageBox.information(self, "提示", "请先选择一台主机")
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return
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if self.connect_worker and self.connect_worker.isRunning():
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return
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h = self.manager.get_host(self.current_host_id)
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self.statusBar().showMessage(f"正在连接 {h.get('host')}...")
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self.btn_connect.setEnabled(False)
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self.connect_worker = ConnectWorker(self.manager, self.current_host_id)
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self.connect_worker.finished_with.connect(self._on_connect_done)
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self.connect_worker.start()
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def _on_connect_done(self, host_id: str, ok: bool, msg: str):
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self.btn_connect.setEnabled(True)
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if ok:
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self.statusBar().showMessage(msg, 5000)
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# 同步到 UI
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self.file_browser.set_host(host_id)
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self.monitor.set_host(host_id)
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# 打开 shell
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conn = self.manager.get_connection(host_id)
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if conn:
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self.terminal_panel.attach(conn)
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self.tabs.setCurrentIndex(0) # 切到终端 Tab
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else:
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QMessageBox.critical(self, "连接失败", msg)
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self.statusBar().showMessage(f"连接失败: {msg}", 5000)
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self._refresh_status_indicator()
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def _do_disconnect(self):
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if not self.current_host_id:
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return
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self.terminal_panel.close_shell()
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self.terminal_panel._set_status("已断开", "#888")
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self.manager.disconnect(self.current_host_id)
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self.statusBar().showMessage("已断开", 3000)
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self._refresh_status_indicator()
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# ============================================================
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# AI / 关于
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# ============================================================
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def _apply_theme(self):
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theme = get_theme()
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qss = get_qss(theme)
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QApplication.instance().setStyleSheet(qss)
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def _toggle_theme(self):
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new_theme = "dark" if self.act_dark.isChecked() else "light"
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set_theme(new_theme)
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self._apply_theme()
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label = "暗色" if new_theme == "dark" else "亮色"
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self.statusBar().showMessage(f"已切换到{label}主题", 3000)
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def _show_ai_config(self):
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dlg = AIConfigDialog(self.agent, self)
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if dlg.exec_():
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self.statusBar().showMessage("AI 配置已更新", 3000)
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def _about(self):
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QMessageBox.about(
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self, "关于",
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f"<h3>{APP_NAME} v{APP_VERSION}</h3>"
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"<p>基于 PyQt5 + paramiko 的 Windows SSH 客户端</p>"
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"<ul>"
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"<li>多主机管理与连接</li>"
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"<li>远程终端</li>"
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"<li>SFTP 文件浏览 / 上传 / 下载</li>"
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"<li>CPU / 内存 / 磁盘 / 网络 实时监控</li>"
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"<li>AI Agent（OpenAI 兼容 API，支持工具调用）</li>"
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"</ul>"
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"<p style='color:#888;'>本程序使用 paramiko、PyQt5、psutil、requests 等开源库。</p>"
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)
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def _export_hosts(self):
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import json
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path, _ = QFileDialog.getSaveFileName(self, "导出主机配置", "hosts.json", "JSON (*.json)")
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if not path:
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return
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with open(path, "w", encoding="utf-8") as f:
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json.dump(self.manager.list_hosts(), f, ensure_ascii=False, indent=2)
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self.statusBar().showMessage(f"已导出到 {path}", 5000)
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def _import_hosts(self):
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import json
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path, _ = QFileDialog.getOpenFileName(self, "导入主机配置", "", "JSON (*.json)")
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if not path:
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return
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try:
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with open(path, "r", encoding="utf-8") as f:
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hosts = json.load(f)
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for h in hosts:
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if "id" in h:
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del h["id"]
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self.manager.add_host(h)
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self._load_hosts_to_list()
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self.statusBar().showMessage(f"已导入 {len(hosts)} 台主机", 5000)
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except Exception as e:
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QMessageBox.critical(self, "导入失败", str(e))
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def closeEvent(self, e):
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try:
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self.monitor._stop_worker()
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self.manager.close_all()
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except Exception:
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pass
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super().closeEvent(e)
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