V1.0

main_window.py

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+# coding: utf-8
+from typing import List
+from PySide6.QtCore import Qt, Signal, QEasingCurve, QUrl, QSize, QTimer, QEvent
+from PySide6.QtGui import QIcon, QDesktopServices, QColor, QPalette, QBrush, QImage
+from PySide6.QtWidgets import (QApplication, QHBoxLayout, QVBoxLayout,
+                               QFrame, QWidget, QSpacerItem, QSizePolicy, QMainWindow, QPushButton)
+
+from system_nav_bar import SystemNavBar
+from bottom_control_widget import BottomControlWidget
+from dispatch_task import DispatchDetailsDialog
+
+
+class MainWindow(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.initWindow()
+        self.createSubWidgets()  # 创建子部件
+        self.setupLayout()       # 设置布局
+
+    def initWindow(self):
+        """初始化窗口基本属性"""
+        self.setWindowTitle("中交三航主界面")  # 设置窗口标题
+        # 设置最小尺寸（可根据需求调整）
+        # 触摸屏尺寸为 1280*800
+        self.setMinimumSize(1280, 800)
+        self.setObjectName("MainWindow")
+
+        # Qt.FramelessWindowHint
+        self.setWindowFlags(Qt.FramelessWindowHint)     # 无边框窗口
+        
+        # 设置主界面背景图片
+        try:
+            self.background_image = QImage("主界面背景.png")
+            if self.background_image.isNull():
+                raise Exception("图片为空，可能路径错误或格式不支持")
+            # print("图片加载成功")
+        except Exception as e:
+            print(f"主界面背景图片加载失败: {e}")
+            self.background_image = None
+            return  # 加载背景失败
+
+        self.update_background()
+
+    def createSubWidgets(self):
+        """创建所有子部件实例"""
+        self.system_nav_bar = SystemNavBar()                # 最上方：系统导航栏
+        self.bottom_control_widget = BottomControlWidget() # 最下方： 控制的按钮 （系统诊断、系统中心等）
+
+        # 中间：任务派单
+        self.dispatch_dialog = DispatchDetailsDialog(self)
+
+    def setupLayout(self):
+        """设置垂直布局，从上到下排列部件"""
+        main_layout = QVBoxLayout(self)  # 主布局：垂直布局
+        main_layout.setSpacing(0)  # 部件间距0px
+        main_layout.setContentsMargins(0, 0, 0, 0)  # 左上右下边距0px
+
+        # 添加最上方的 系统导航栏（包括系统标题、中交三航的logo等）
+        main_layout.addWidget(self.system_nav_bar, alignment=Qt.AlignTop)
+        # 添加中间内容区
+        main_layout.addWidget(self.dispatch_dialog, alignment=Qt.AlignCenter)
+        # 添加最下方的 控制按钮控件
+        main_layout.addWidget(self.bottom_control_widget, alignment=Qt.AlignBottom)
+
+        # 关闭按钮
+        self.system_nav_bar.msg_container.close_btn.clicked.connect(self.close)
+        # 将布局应用到主窗口
+        self.setLayout(main_layout)
+
+    def show_dispatch_dialog(self):
+        """显示派单详细弹窗（居中显示在主界面）"""
+        # 计算弹窗居中位置
+        main_geometry = self.frameGeometry()
+        dialog_geometry = self.dispatch_dialog.frameGeometry()
+        dialog_geometry.moveCenter(main_geometry.center())
+        self.dispatch_dialog.move(dialog_geometry.topLeft())
+
+        # 显示弹窗
+        self.dispatch_dialog.show()
+
+    def update_background(self):
+        """更新主界面背景图片"""
+        if self.background_image and not self.background_image.isNull():
+            palette = self.palette()
+            # 按当前窗口尺寸缩放图片
+            scaled_image = self.background_image.scaled(
+                self.size(), 
+                Qt.IgnoreAspectRatio,
+                Qt.SmoothTransformation
+            )
+            palette.setBrush(QPalette.Window, QBrush(scaled_image))
+            self.setPalette(palette)
+            self.setAutoFillBackground(True)
+
+    def resizeEvent(self, e):
+        """窗口大小变化时的回调"""
+        super().resizeEvent(e)
+        self.update_background() # 重新加载背景图片
+
+
+    def keyPressEvent(self, event):
+        if event.key() == Qt.Key_Escape: # 按下Esc键, 退出界面
+            self.close()
+        super().keyPressEvent(event)
+
+
+if __name__ == "__main__":
+    import sys
+    app = QApplication([])
+    window = MainWindow()
+    window.show()    # 显示主界面
+    # window.showFullScreen()   # 全屏显示主界面
+    sys.exit(app.exec())