feat(lite): merge TUN mode with IPv6 routing

lite/rrpp_ui/widgets.py

@@ -2,7 +2,23 @@
 
 from PyQt5.QtCore import Qt, QRectF, pyqtSignal
 from PyQt5.QtGui import QColor, QPainter
-from PyQt5.QtWidgets import QCheckBox, QLabel
+from PyQt5.QtWidgets import QCheckBox, QLabel, QFrame, QHBoxLayout
+
+try:
+    from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+except ImportError:  # 轻量测试桩不提供图形效果类，真实 PyQt5 仍使用阴影。
+    class QGraphicsDropShadowEffect:  # type: ignore[no-redef]
+        def __init__(self, *_args, **_kwargs):
+            pass
+
+        def setBlurRadius(self, *_args):
+            pass
+
+        def setOffset(self, *_args):
+            pass
+
+        def setColor(self, *_args):
+            pass
 
 from .theme import C_BORDER, C_GREEN, C_RED, C_TITLE
 
@@ -102,3 +118,51 @@ class StatusDot(QLabel):
                 border: 1px solid rgba(136, 153, 170, 50);
             }}
         """)
+
+
+class ProxyModeCard(QFrame):
+    """整个卡片可点击；描边表示选择，圆点表示所选模式的运行状态。"""
+
+    clicked = pyqtSignal()
+
+    def __init__(self, title: str, parent=None):
+        super().__init__(parent)
+        self.setCursor(Qt.PointingHandCursor)
+        self._glow = QGraphicsDropShadowEffect(self)
+        self._glow.setBlurRadius(12)
+        self._glow.setOffset(0, 1)
+        self.setGraphicsEffect(self._glow)
+        row = QHBoxLayout(self)
+        row.setContentsMargins(11, 10, 11, 10)
+        row.setSpacing(5)
+        self.title = QLabel(title)
+        self.title.setStyleSheet("font-weight: bold; background: transparent;")
+        self.dot = StatusDot()
+        for child in (self.title, self.dot):
+            child.setAttribute(Qt.WA_TransparentForMouseEvents)
+        row.addWidget(self.title)
+        row.addStretch()
+        row.addWidget(self.dot)
+        self.set_state(False, False)
+
+    def set_state(self, selected: bool, running: bool) -> None:
+        border = C_TITLE if selected else "#e2e8ef"
+        background = "#f5f7f9" if selected else "#fafcfe"
+        self.setStyleSheet(
+            f"QFrame {{ background-color: {background}; border: {'2px' if selected else '1px'} "
+            f"solid {border}; border-radius: 8px; }}"
+            "QFrame:hover { border-color: #cbd6e2; background-color: #ffffff; }"
+            "QLabel { border: none; }"
+        )
+        self._glow.setColor(QColor(136, 153, 170, 105 if selected else 52))
+        if not selected:
+            self.dot.set_disabled()
+        elif running:
+            self.dot.set_on()
+        else:
+            self.dot.set_off()
+
+    def mouseReleaseEvent(self, event):
+        if event.button() == Qt.LeftButton and self.rect().contains(event.pos()):
+            self.clicked.emit()
+        super().mouseReleaseEvent(event)