增加系统设置弹窗(包括多段振捣设置、IP设置)

view/widgets/arrow_combo_box.py

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+# -*- coding: utf-8 -*-
+"""
+ArrowComboBox - 带动态箭头的下拉框组件
+展开时箭头向上，收起时箭头向下
+"""
+import os
+import re
+import tempfile
+
+from PySide6.QtWidgets import QComboBox
+from PySide6.QtGui import QPixmap, QPainter, QTransform, QPolygonF
+from PySide6.QtCore import Qt, Signal, QTimer, QPointF
+
+from utils.image_paths import ImagePaths
+
+
+class ArrowComboBox(QComboBox):
+    """带动态箭头的下拉框，展开时箭头向上，收起时箭头向下
+    
+    Signals:
+        popupShown: 下拉列表展开时发出
+        popupHidden: 下拉列表收起时发出
+        arrowDirectionChanged: 箭头方向改变时发出 (is_up: bool)
+    """
+    
+    # 信号定义
+    popupShown = Signal()              # 下拉列表展开
+    popupHidden = Signal()             # 下拉列表收起
+    arrowDirectionChanged = Signal(bool)  # 箭头方向改变 (True=向上, False=向下)
+    
+    # 类缓存
+    _arrow_down_path = None  # 向下箭头图片路径
+    _arrow_up_path = None    # 向上箭头图片路径
+    _initialized = False     # 是否已初始化
+    
+    @classmethod
+    def init_arrow_resources(cls, arrow_image_path: str = None, arrow_size: tuple = (14, 8)):
+        """初始化箭头资源（类方法，只需调用一次）
+        
+        Args:
+            arrow_image_path: 自定义箭头图片路径，默认使用 ImagePaths.SYSTEM_DIAGNOSTICS_DROPDOWN_ARROW
+            arrow_size: 箭头尺寸 (width, height)，默认 (14, 8)
+        """
+        if cls._initialized:
+            return
+        
+        arrow_width, arrow_height = arrow_size
+        
+        # 加载原始箭头图片
+        if arrow_image_path is None:
+            arrow_image_path = ImagePaths.SYSTEM_DIAGNOSTICS_DROPDOWN_ARROW
+        
+        original = QPixmap(arrow_image_path)
+        if original.isNull():
+            # 如果加载失败，创建默认箭头
+            original = QPixmap(arrow_width, arrow_height)
+            original.fill(Qt.transparent)
+            painter = QPainter(original)
+            painter.setRenderHint(QPainter.Antialiasing)
+            painter.setPen(Qt.NoPen)
+            painter.setBrush(Qt.white)
+            points = [
+                QPointF(1, 1), 
+                QPointF(arrow_width - 1, 1), 
+                QPointF(arrow_width / 2, arrow_height - 1)
+            ]
+            painter.drawPolygon(QPolygonF(points))
+            painter.end()
+        
+        down_pixmap = original.scaled(arrow_width, arrow_height, Qt.KeepAspectRatio, Qt.SmoothTransformation)
+        
+        # 垂直翻转得到向上箭头
+        transform = QTransform()
+        transform.scale(1, -1)
+        up_pixmap = down_pixmap.transformed(transform)
+        
+        # 保存到临时文件
+        temp_dir = tempfile.gettempdir()
+        cls._arrow_down_path = os.path.join(temp_dir, "arrow_down.png").replace("\\", "/")
+        cls._arrow_up_path = os.path.join(temp_dir, "arrow_up.png").replace("\\", "/")
+        down_pixmap.save(cls._arrow_down_path, "PNG")
+        up_pixmap.save(cls._arrow_up_path, "PNG")
+        cls._initialized = True
+    
+    @classmethod
+    def get_arrow_paths(cls):
+        """获取箭头图片路径
+        
+        Returns:
+            tuple: (向下箭头路径, 向上箭头路径)
+        """
+        return cls._arrow_down_path, cls._arrow_up_path
+    
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        ArrowComboBox.init_arrow_resources()
+        self._is_open = False
+        self._updating_style = False
+        self._arrow_size = (14, 8)  # 默认箭头尺寸
+        
+        # 延迟初始化箭头（等待样式设置后）
+        QTimer.singleShot(0, self._update_arrow_style)
+    
+    @property
+    def isPopupOpen(self) -> bool:
+        """返回下拉列表是否打开"""
+        return self._is_open
+    
+    @property
+    def arrowDirection(self) -> str:
+        """返回当前箭头方向 ('up' 或 'down')"""
+        return 'up' if self._is_open else 'down'
+    
+    def setArrowSize(self, width: int, height: int):
+        """设置箭头尺寸
+        
+        Args:
+            width: 箭头宽度
+            height: 箭头高度
+        """
+        self._arrow_size = (width, height)
+        self._update_arrow_style()
+    
+    def setArrowDirection(self, is_up: bool):
+        """手动设置箭头方向
+        
+        Args:
+            is_up: True 为向上，False 为向下
+        """
+        if self._is_open != is_up:
+            self._is_open = is_up
+            self._update_arrow_style()
+            self.arrowDirectionChanged.emit(is_up)
+    
+    def showPopup(self):
+        """展开下拉列表时切换为向上箭头"""
+        super().showPopup()
+        self._is_open = True
+        self._update_arrow_style()
+        self.popupShown.emit()
+        self.arrowDirectionChanged.emit(True)
+    
+    def hidePopup(self):
+        """收起下拉列表时切换为向下箭头"""
+        super().hidePopup()
+        self._is_open = False
+        self._update_arrow_style()
+        self.popupHidden.emit()
+        self.arrowDirectionChanged.emit(False)
+    
+    def togglePopup(self):
+        """切换下拉列表的展开/收起状态"""
+        if self._is_open:
+            self.hidePopup()
+        else:
+            self.showPopup()
+    
+    def refreshArrowStyle(self):
+        """刷新箭头样式（外部调用）"""
+        self._update_arrow_style()
+    
+    def _update_arrow_style(self):
+        """更新箭头样式（内部方法）"""
+        if self._updating_style:
+            return
+        self._updating_style = True
+        try:
+            arrow_path = self._arrow_up_path if self._is_open else self._arrow_down_path
+            arrow_width, arrow_height = self._arrow_size
+            style = self.styleSheet()
+            # 移除旧的箭头样式
+            style = re.sub(r'QComboBox::down-arrow\s*\{[^}]*\}', '', style)
+            style += f"""QComboBox::down-arrow {{ image: url({arrow_path}); width: {arrow_width}px; height: {arrow_height}px; }}"""
+            super().setStyleSheet(style)
+        finally:
+            self._updating_style = False