417 lines
14 KiB
Python
417 lines
14 KiB
Python
"""
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自定义Qt部件模块
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包含所有自定义的Qt界面组件：
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- NewProjectDialog: 新建项目对话框
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- CustomPanda3DWidget: 自定义Panda3D显示部件
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- CustomFileView: 自定义文件浏览器
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- CustomTreeWidget: 自定义场景树部件
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"""
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import os
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import re
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from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QGroupBox, QHBoxLayout,
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QLineEdit, QPushButton, QLabel, QDialogButtonBox,
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QTreeView, QTreeWidget, QTreeWidgetItem, QWidget,
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QFileDialog, QMessageBox)
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from PyQt5.QtCore import Qt, QUrl
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from PyQt5.QtGui import QDrag, QPainter, QPixmap
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from PyQt5.sip import wrapinstance
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from QPanda3D.QPanda3DWidget import QPanda3DWidget
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class NewProjectDialog(QDialog):
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"""新建项目对话框"""
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setWindowTitle("新建项目")
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self.setMinimumWidth(500)
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# 创建布局
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layout = QVBoxLayout(self)
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# 创建路径选择部分
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pathGroup = QGroupBox("项目路径")
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pathLayout = QHBoxLayout()
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self.pathEdit = QLineEdit()
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self.pathEdit.setReadOnly(True)
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browseButton = QPushButton("浏览...")
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browseButton.clicked.connect(self.browsePath)
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pathLayout.addWidget(self.pathEdit)
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pathLayout.addWidget(browseButton)
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pathGroup.setLayout(pathLayout)
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layout.addWidget(pathGroup)
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# 创建项目名称部分
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nameGroup = QGroupBox("项目名称")
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nameLayout = QVBoxLayout()
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self.nameEdit = QLineEdit()
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self.nameEdit.setText("新项目")
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self.nameEdit.selectAll()
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nameLayout.addWidget(self.nameEdit)
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# 添加提示标签
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self.tipLabel = QLabel("项目名称只能包含字母、数字、下划线、中划线和中文")
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self.tipLabel.setStyleSheet("color: gray;")
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nameLayout.addWidget(self.tipLabel)
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nameGroup.setLayout(nameLayout)
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layout.addWidget(nameGroup)
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# 添加按钮
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buttonBox = QDialogButtonBox(
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QDialogButtonBox.Ok | QDialogButtonBox.Cancel
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)
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buttonBox.accepted.connect(self.validate)
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buttonBox.rejected.connect(self.reject)
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layout.addWidget(buttonBox)
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# 存储结果
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self.projectPath = ""
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self.projectName = ""
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def browsePath(self):
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"""浏览选择项目路径"""
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path = QFileDialog.getExistingDirectory(self, "选择项目路径")
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if path:
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self.pathEdit.setText(path)
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def validate(self):
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"""验证输入并关闭对话框"""
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# 获取并验证路径
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self.projectPath = self.pathEdit.text()
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if not self.projectPath:
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QMessageBox.warning(self, "错误", "请选择项目路径!")
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return
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# 获取并验证项目名称
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self.projectName = self.nameEdit.text().strip()
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if not self.projectName:
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QMessageBox.warning(self, "错误", "请输入项目名称!")
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return
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# 验证项目名称格式
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if not re.match(r'^[a-zA-Z0-9_\-\u4e00-\u9fa5]+$', self.projectName):
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QMessageBox.warning(self, "错误",
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"项目名称只能包含字母、数字、下划线、中划线和中文!")
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return
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# 检查项目是否已存在
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full_path = os.path.join(self.projectPath, self.projectName)
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if os.path.exists(full_path):
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QMessageBox.warning(self, "错误", "项目已存在!")
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return
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self.accept()
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class CustomPanda3DWidget(QPanda3DWidget):
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"""自定义Panda3D显示部件"""
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def __init__(self, world, parent=None):
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if parent is None:
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parent = wrapinstance(0, QWidget)
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super().__init__(world, parent)
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self.world = world
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self.setFocusPolicy(Qt.StrongFocus) # 允许接收键盘焦点
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self.setAcceptDrops(True) # 允许接收拖放
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self.setMouseTracking(True) # 启用鼠标追踪
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# 让world引用这个widget，以便获取准确的尺寸
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if hasattr(world, 'setQtWidget'):
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world.setQtWidget(self)
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def getActualSize(self):
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"""获取Qt部件的实际渲染尺寸"""
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return (self.width(), self.height())
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def dragEnterEvent(self, event):
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"""处理拖拽进入事件"""
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# 检查是否是文件拖拽
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if event.mimeData().hasUrls():
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# 检查是否包含支持的模型文件
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for url in event.mimeData().urls():
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filepath = url.toLocalFile()
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if filepath.lower().endswith(('.egg', '.bam', '.obj', '.fbx', '.gltf', '.glb')):
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event.acceptProposedAction()
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return
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event.ignore()
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def dragMoveEvent(self, event):
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"""处理拖拽移动事件"""
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if event.mimeData().hasUrls():
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event.acceptProposedAction()
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else:
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event.ignore()
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def dropEvent(self, event):
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"""处理拖放事件"""
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if event.mimeData().hasUrls():
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for url in event.mimeData().urls():
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filepath = url.toLocalFile()
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if filepath.lower().endswith(('.egg', '.bam', '.obj', '.fbx', '.gltf', '.glb')):
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self.world.importModel(filepath)
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event.acceptProposedAction()
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else:
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event.ignore()
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def wheelEvent(self, event):
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"""处理滚轮事件"""
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if event.angleDelta().y() > 0:
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# 滚轮向前滚动
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self.world.wheelForward()
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else:
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# 滚轮向后滚动
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self.world.wheelBackward()
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event.accept()
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def mousePressEvent(self, event):
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"""处理 Qt 鼠标按下事件"""
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if event.button() == Qt.LeftButton:
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self.world.mousePressEventLeft({
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'x': event.x(),
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'y': event.y()
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})
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elif event.button() == Qt.RightButton:
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self.world.mousePressEventRight({
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'x': event.x(),
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'y': event.y()
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})
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elif event.button() == Qt.MiddleButton: # 添加滑轮按下事件处理
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self.world.mousePressEventMiddle({
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'x': event.x(),
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'y': event.y()
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})
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event.accept()
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def mouseReleaseEvent(self, event):
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"""处理 Qt 鼠标释放事件"""
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if event.button() == Qt.LeftButton:
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self.world.mouseReleaseEventLeft({
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'x': event.x(),
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'y': event.y()
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})
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elif event.button() == Qt.RightButton:
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self.world.mouseReleaseEventRight({
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'x': event.x(),
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'y': event.y()
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})
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elif event.button() == Qt.MiddleButton: # 添加滑轮释放事件处理
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self.world.mouseReleaseEventMiddle({
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'x': event.x(),
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'y': event.y()
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})
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event.accept()
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def mouseMoveEvent(self, event):
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"""处理 Qt 鼠标移动事件"""
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if hasattr(self, 'world') and self.world is not None:
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self.world.mouseMoveEvent({
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'x': event.x(),
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'y': event.y()
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})
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event.accept()
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def cleanup(self):
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"""清理Panda3D资源"""
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try:
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print("🧹 清理CustomPanda3DWidget资源...")
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# 清理world资源
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if hasattr(self, 'world') and self.world:
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# 如果world有cleanup方法，调用它
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if hasattr(self.world, 'cleanup'):
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self.world.cleanup()
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# 清理world引用
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self.world = None
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# 调用父类的清理方法（如果存在）
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if hasattr(super(), 'cleanup'):
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super().cleanup()
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print("✅ CustomPanda3DWidget资源清理完成")
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except Exception as e:
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print(f"⚠️ 清理CustomPanda3DWidget资源时出错: {e}")
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class CustomFileView(QTreeView):
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"""自定义文件浏览器"""
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def __init__(self, world, parent=None):
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if parent is None:
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parent = wrapinstance(0, QWidget)
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super().__init__(parent)
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self.world = world
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self.setDragEnabled(True) # 启用拖拽
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self.setSelectionMode(QTreeView.ExtendedSelection) # 允许多选
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self.setDragDropMode(QTreeView.DragOnly) # 只允许拖出，不允许拖入
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def startDrag(self, supportedActions):
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"""开始拖拽操作"""
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# 获取选中的文件
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indexes = self.selectedIndexes()
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if not indexes:
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return
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# 只处理文件名列
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indexes = [idx for idx in indexes if idx.column() == 0]
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# 创建 MIME 数据
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mimeData = self.model().mimeData(indexes)
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# 检查是否包含支持的模型文件
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urls = []
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for index in indexes:
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filepath = self.model().filePath(index)
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if filepath.lower().endswith(('.egg', '.bam', '.obj', '.fbx', '.gltf', '.glb')):
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urls.append(QUrl.fromLocalFile(filepath))
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if not urls:
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return
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# 设置 URL 列表
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mimeData.setUrls(urls)
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# 创建拖拽对象
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drag = QDrag(self)
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drag.setMimeData(mimeData)
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# 设置拖拽图标（可选）
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pixmap = QPixmap(32, 32)
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pixmap.fill(Qt.transparent)
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painter = QPainter(pixmap)
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painter.drawText(pixmap.rect(), Qt.AlignCenter, str(len(urls)))
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painter.end()
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drag.setPixmap(pixmap)
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# 执行拖拽
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drag.exec_(supportedActions)
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def mouseDoubleClickEvent(self, event):
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"""处理双击事件"""
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index = self.indexAt(event.pos())
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if index.isValid():
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model = self.model()
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filepath = model.filePath(index)
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# 检查是否是模型文件
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if filepath.lower().endswith(('.egg', '.bam', '.obj', '.fbx', '.gltf', '.glb')):
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self.world.importModel(filepath)
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else:
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print("不支持的文件类型")
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super().mouseDoubleClickEvent(event)
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class CustomTreeWidget(QTreeWidget):
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"""自定义场景树部件"""
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def __init__(self, world, parent=None):
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if parent is None:
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parent = wrapinstance(0, QWidget)
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super().__init__(parent)
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self.world = world
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self.setDragEnabled(True)
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self.setAcceptDrops(True)
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self.setDragDropMode(QTreeWidget.InternalMove)
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def dropEvent(self, event):
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"""处理拖放事件"""
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# 获取拖动的项和目标项
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dragged_item = self.currentItem()
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target_item = self.itemAt(event.pos())
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if not dragged_item or not target_item:
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event.ignore()
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return
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# 获取节点引用
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dragged_node = dragged_item.data(0, Qt.UserRole)
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# 如果目标是模型根节点，使用 render 作为新父节点
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if target_item.text(0) == "模型":
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target_node = self.world.render
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else:
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target_node = target_item.data(0, Qt.UserRole)
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if not dragged_node or not target_node:
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event.ignore()
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return
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# 检查是否是有效的父子关系
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if self.isValidParentChild(dragged_item, target_item):
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# 保存当前的世界坐标
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world_pos = dragged_node.getPos(self.world.render)
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# 更新场景图中的父子关系
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dragged_node.wrtReparentTo(target_node)
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# 接受拖放事件，更新树形控件
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super().dropEvent(event)
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# 更新属性面板
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self.world.updatePropertyPanel(dragged_item)
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else:
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event.ignore()
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def isValidParentChild(self, dragged_item, target_item):
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"""检查是否是有效的父子关系"""
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# 不能拖放到自己上
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if dragged_item == target_item:
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return False
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# 不能拖放到自己的子节点上
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parent = target_item
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while parent:
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if parent == dragged_item:
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return False
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parent = parent.parent()
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# 检查目标项
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if target_item.text(0) == "场景":
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return False # 不能拖放到场景根节点
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# 允许拖放到模型根节点或其他模型节点
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if target_item.text(0) == "模型":
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return True
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# 检查目标项的父节点
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target_parent = target_item.parent()
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if not target_parent:
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return False
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# 允许在模型节点下的任何位置调整父子关系
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while target_parent:
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if target_parent.text(0) == "模型":
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return True
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target_parent = target_parent.parent()
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return False
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def dragEnterEvent(self, event):
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"""处理拖入事件"""
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if event.source() == self:
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event.accept()
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else:
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event.ignore()
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def dragMoveEvent(self, event):
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"""处理拖动事件"""
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if event.source() == self:
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event.accept()
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else:
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event.ignore()
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def keyPressEvent(self, event):
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"""处理键盘按键事件"""
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if event.key() == Qt.Key_Delete:
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currentItem = self.currentItem()
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if currentItem and currentItem.parent():
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# 检查是否是模型节点或其子节点
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if self.world.isModelOrChild(currentItem):
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nodePath = currentItem.data(0, Qt.UserRole)
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if nodePath:
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print("正在删除节点...")
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self.world.deleteNode(nodePath, currentItem)
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print("删除完成")
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else:
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super().keyPressEvent(event) |