ui替换

core/drag_drop/__init__.py

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+"""
+跨平台拖拽检测模块
+
+提供统一的拖拽检测接口，支持Windows、Linux和macOS平台。
+"""
+
+from .base_detector import BaseDragDetector
+from .platform_detector import PlatformDragDetector
+
+__all__ = ['BaseDragDetector', 'PlatformDragDetector']

core/drag_drop/base_detector.py

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+"""
+拖拽检测器基类
+
+定义所有平台拖拽检测器的通用接口。
+"""
+
+import os
+import platform
+from abc import ABC, abstractmethod
+from typing import List, Optional, Callable
+import threading
+import queue
+import time
+
+
+class BaseDragDetector(ABC):
+    """拖拽检测器基类"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表，如 ['.gltf', '.glb', '.fbx']
+        """
+        self.supported_formats = supported_formats or ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']
+        self.is_running = False
+        self.monitor_thread = None
+        self.file_queue = queue.Queue()
+        self.drop_callback: Optional[Callable[[List[str]], None]] = None
+        
+    def set_drop_callback(self, callback: Callable[[List[str]], None]):
+        """
+        设置文件拖拽回调函数
+        
+        Args:
+            callback: 接收文件路径列表的回调函数
+        """
+        self.drop_callback = callback
+        
+    def start_monitoring(self):
+        """开始监控拖拽事件"""
+        if not self.is_running:
+            self.is_running = True
+            self.monitor_thread = threading.Thread(target=self._monitor_loop, daemon=True)
+            self.monitor_thread.start()
+            
+    def stop_monitoring(self):
+        """停止监控拖拽事件"""
+        self.is_running = False
+        if self.monitor_thread:
+            self.monitor_thread.join(timeout=1.0)
+            
+    def get_dropped_files(self) -> List[str]:
+        """获取拖拽的文件列表"""
+        files = []
+        while not self.file_queue.empty():
+            try:
+                files.append(self.file_queue.get_nowait())
+            except queue.Empty:
+                break
+        return files
+        
+    def add_dropped_file(self, file_path: str):
+        """
+        添加拖拽的文件路径
+        
+        Args:
+            file_path: 拖拽的文件路径
+        """
+        if self._is_supported_format(file_path):
+            self.file_queue.put(file_path)
+            if self.drop_callback:
+                self.drop_callback([file_path])
+                
+    def _is_supported_format(self, file_path: str) -> bool:
+        """检查文件格式是否支持"""
+        _, ext = os.path.splitext(file_path.lower())
+        return ext in self.supported_formats
+        
+    @abstractmethod
+    def _monitor_loop(self):
+        """监控循环，由子类实现"""
+        pass
+        
+    @abstractmethod
+    def is_supported(self) -> bool:
+        """检查当前平台是否支持此检测器"""
+        pass
+
+
+class DragDetectorFactory:
+    """拖拽检测器工厂类"""
+    
+    @staticmethod
+    def create_detector(supported_formats: List[str] = None) -> BaseDragDetector:
+        """
+        根据当前平台创建合适的拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+            
+        Returns:
+            适合当前平台的拖拽检测器实例
+        """
+        system = platform.system().lower()
+        
+        if system == 'windows':
+            from .windows_detector import WindowsDragDetector
+            return WindowsDragDetector(supported_formats)
+        elif system == 'linux':
+            from .linux_detector import LinuxDragDetector
+            return LinuxDragDetector(supported_formats)
+        elif system == 'darwin':  # macOS
+            from .macos_detector import MacOSDragDetector
+            return MacOSDragDetector(supported_formats)
+        else:
+            # 降级到基础检测器
+            from .fallback_detector import FallbackDragDetector
+            return FallbackDragDetector(supported_formats)

core/drag_drop/fallback_detector.py

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+"""
+降级拖拽检测器
+
+当平台特定检测器不可用时的降级方案。
+"""
+
+import os
+import time
+import threading
+from typing import List
+from .base_detector import BaseDragDetector
+
+
+class FallbackDragDetector(BaseDragDetector):
+    """降级拖拽检测器"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化降级检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+        """
+        super().__init__(supported_formats)
+        self._watch_directory = os.path.expanduser("~/Desktop")  # 监控桌面
+        self._known_files = set()
+        self._scan_interval = 0.5  # 扫描间隔（秒）
+        
+        # 初始化已知文件列表
+        self._scan_known_files()
+        
+    def _scan_known_files(self):
+        """扫描已知文件"""
+        self._known_files.clear()
+        if os.path.exists(self._watch_directory):
+            for filename in os.listdir(self._watch_directory):
+                if self._is_supported_format(filename):
+                    filepath = os.path.join(self._watch_directory, filename)
+                    self._known_files.add(filepath)
+                    
+    def _monitor_loop(self):
+        """监控循环 - 通过文件系统变化检测"""
+        while self.is_running:
+            try:
+                if os.path.exists(self._watch_directory):
+                    current_files = set()
+                    for filename in os.listdir(self._watch_directory):
+                        if self._is_supported_format(filename):
+                            filepath = os.path.join(self._watch_directory, filename)
+                            current_files.add(filepath)
+                            
+                    # 检测新文件
+                    new_files = current_files - self._known_files
+                    for filepath in new_files:
+                        # 检查文件是否最近创建（1秒内）
+                        try:
+                            file_time = os.path.getmtime(filepath)
+                            if time.time() - file_time < 1.0:
+                                self.add_dropped_file(filepath)
+                        except OSError:
+                            pass
+                            
+                    self._known_files = current_files
+                    
+            except Exception as e:
+                print(f"降级检测器错误: {e}")
+                
+            time.sleep(self._scan_interval)
+            
+    def is_supported(self) -> bool:
+        """降级检测器总是支持"""
+        return True
+        
+    def set_watch_directory(self, directory: str):
+        """
+        设置监控目录
+        
+        Args:
+            directory: 要监控的目录路径
+        """
+        if os.path.exists(directory):
+            self._watch_directory = directory
+            self._scan_known_files()

core/drag_drop/linux_detector.py

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+"""
+Linux平台拖拽检测器
+
+支持X11和Wayland窗口系统的拖拽检测。
+"""
+
+import os
+import sys
+import time
+import threading
+import subprocess
+from typing import List, Optional
+from .base_detector import BaseDragDetector
+
+
+class LinuxDragDetector(BaseDragDetector):
+    """Linux平台拖拽检测器"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化Linux拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+        """
+        super().__init__(supported_formats)
+        self._window_id = None
+        self._display = None
+        self._is_x11 = self._check_x11()
+        self._is_wayland = self._check_wayland()
+        self._xdg_active = self._check_xdg()
+        
+    def _check_x11(self) -> bool:
+        """检查是否使用X11"""
+        try:
+            # 检查DISPLAY环境变量
+            if os.environ.get('DISPLAY'):
+                # 尝试连接X11显示
+                result = subprocess.run(['xset', 'q'], 
+                                      capture_output=True, 
+                                      timeout=2)
+                return result.returncode == 0
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            pass
+        return False
+        
+    def _check_wayland(self) -> bool:
+        """检查是否使用Wayland"""
+        return os.environ.get('WAYLAND_DISPLAY') is not None
+        
+    def _check_xdg(self) -> bool:
+        """检查XDG桌面环境是否可用"""
+        try:
+            # 检查是否安装了xdg-user-dir
+            result = subprocess.run(['which', 'xdg-user-dir'], 
+                                  capture_output=True)
+            return result.returncode == 0
+        except FileNotFoundError:
+            return False
+            
+    def _get_window_id(self) -> Optional[str]:
+        """获取当前窗口ID"""
+        try:
+            # 使用xdotool获取活动窗口
+            result = subprocess.run(['xdotool', 'getactivewindow'], 
+                                  capture_output=True, 
+                                  text=True,
+                                  timeout=2)
+            if result.returncode == 0:
+                return result.stdout.strip()
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            pass
+            
+        # 备用方法：使用wmctrl
+        try:
+            result = subprocess.run(['wmctrl', '-l'], 
+                                  capture_output=True, 
+                                  text=True,
+                                  timeout=2)
+            if result.returncode == 0:
+                lines = result.stdout.strip().split('\n')
+                if lines:
+                    # 获取第一个窗口的ID
+                    return lines[0].split()[0]
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            pass
+            
+        return None
+        
+    def _monitor_x11_drag(self):
+        """监控X11拖拽事件"""
+        try:
+            # 使用xev监控窗口事件
+            window_id = self._get_window_id()
+            if not window_id:
+                print("无法获取窗口ID，切换到文件监控")
+                self._monitor_file_drag()
+                return
+                
+            cmd = ['xev', '-id', window_id, '-event', 'pointer']
+            process = subprocess.Popen(cmd, 
+                                     stdout=subprocess.PIPE, 
+                                     stderr=subprocess.DEVNULL,
+                                     text=True)
+            
+            print(f"开始监控X11窗口 {window_id} 的拖拽事件")
+            
+            while self.is_running:
+                line = process.stdout.readline()
+                if not line:
+                    break
+                    
+                # 检测拖拽相关事件
+                if any(keyword in line for keyword in ['DND', 'Xdnd', 'ClientMessage', 'SelectionNotify']):
+                    # 尝试获取拖拽的文件
+                    self._extract_x11_drag_files()
+                    
+        except Exception as e:
+            print(f"X11拖拽监控错误: {e}")
+            print("切换到文件监控模式")
+            self._monitor_file_drag()
+        finally:
+            if 'process' in locals():
+                process.terminate()
+                
+    def _extract_x11_drag_files(self):
+        """从X11拖拽事件中提取文件路径"""
+        try:
+            # 使用xclip获取剪贴板内容（可能包含拖拽的文件）
+            result = subprocess.run(['xclip', '-selection', 'primary', '-o'], 
+                                  capture_output=True, 
+                                  text=True,
+                                  timeout=1)
+            if result.returncode == 0 and result.stdout.strip():
+                self._process_clipboard_content(result.stdout.strip())
+                
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            # 尝试使用xsel作为备选
+            try:
+                result = subprocess.run(['xsel', '--primary', '--output'], 
+                                      capture_output=True, 
+                                      text=True,
+                                      timeout=1)
+                if result.returncode == 0 and result.stdout.strip():
+                    self._process_clipboard_content(result.stdout.strip())
+            except (subprocess.TimeoutExpired, FileNotFoundError):
+                pass
+                
+    def _process_clipboard_content(self, content):
+        """处理剪贴板内容，提取文件路径"""
+        # 检查是否包含文件路径
+        lines = content.split('\n')
+        for line in lines:
+            line = line.strip()
+            if line.startswith('file://'):
+                # URI格式
+                file_path = line[7:]  # 移除 'file://' 前缀
+                file_path = file_path.replace('%20', ' ')  # 解码空格
+                if self._is_supported_format(file_path):
+                    self.add_dropped_file(file_path)
+            elif os.path.isabs(line) and self._is_supported_format(line):
+                # 绝对路径
+                self.add_dropped_file(line)
+                
+    def _monitor_wayland_drag(self):
+        """监控Wayland拖拽事件"""
+        try:
+            # 尝试使用wlrctl监控拖拽事件
+            if self._check_command_exists('wlrctl'):
+                self._monitor_wlrctl_drag()
+            else:
+                # 尝试使用wl-paste监控剪贴板
+                if self._check_command_exists('wl-paste'):
+                    self._monitor_wayland_clipboard()
+                else:
+                    print("Wayland拖拽监控工具不可用，切换到文件监控")
+                    self._monitor_file_drag()
+        except Exception as e:
+            print(f"Wayland拖拽监控错误: {e}")
+            print("切换到文件监控模式")
+            self._monitor_file_drag()
+            
+    def _check_command_exists(self, command):
+        """检查命令是否存在"""
+        try:
+            result = subprocess.run(['which', command], 
+                                  capture_output=True, 
+                                  timeout=1)
+            return result.returncode == 0
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            return False
+            
+    def _monitor_wlrctl_drag(self):
+        """使用wlrctl监控拖拽事件"""
+        print("使用wlrctl监控Wayland拖拽事件")
+        try:
+            # wlrctl可能支持拖拽监控
+            process = subprocess.Popen(['wlrctl', 'drag'], 
+                                     stdout=subprocess.PIPE, 
+                                     stderr=subprocess.PIPE,
+                                     text=True)
+            
+            while self.is_running:
+                line = process.stdout.readline()
+                if not line:
+                    break
+                    
+                # 解析wlrctl输出
+                if 'file://' in line or os.path.isabs(line.strip()):
+                    self._process_drag_line(line.strip())
+                    
+        except Exception as e:
+            print(f"wlrctl监控失败: {e}")
+            raise
+        finally:
+            if 'process' in locals():
+                process.terminate()
+                
+    def _monitor_wayland_clipboard(self):
+        """监控Wayland剪贴板变化"""
+        print("使用wl-paste监控Wayland剪贴板")
+        last_clipboard = ""
+        
+        while self.is_running:
+            try:
+                # 获取当前剪贴板内容
+                result = subprocess.run(['wl-paste', '--type', 'text/uri-list'], 
+                                      capture_output=True, 
+                                      text=True,
+                                      timeout=1)
+                
+                if result.returncode == 0:
+                    current_clipboard = result.stdout.strip()
+                    if current_clipboard and current_clipboard != last_clipboard:
+                        last_clipboard = current_clipboard
+                        self._process_clipboard_content(current_clipboard)
+                        
+            except subprocess.TimeoutExpired:
+                pass
+            except Exception as e:
+                print(f"Wayland剪贴板监控错误: {e}")
+                
+            time.sleep(0.5)
+            
+    def _process_drag_line(self, line):
+        """处理拖拽行内容"""
+        if line.startswith('file://'):
+            file_path = line[7:]
+            file_path = file_path.replace('%20', ' ')
+            if self._is_supported_format(file_path):
+                self.add_dropped_file(file_path)
+        elif os.path.isabs(line) and self._is_supported_format(line):
+            self.add_dropped_file(line)
+            
+    def _get_user_directories(self):
+        """获取用户常用目录"""
+        directories = []
+        
+        # 获取桌面目录
+        desktop = os.path.expanduser("~/Desktop")
+        if os.path.exists(desktop):
+            directories.append(desktop)
+            
+        # 获取下载目录
+        downloads = os.path.expanduser("~/Downloads")
+        if os.path.exists(downloads):
+            directories.append(downloads)
+            
+        # 获取主目录
+        home = os.path.expanduser("~")
+        if os.path.exists(home):
+            directories.append(home)
+            
+        # 获取临时目录
+        temp_dirs = ['/tmp', '/var/tmp']
+        for temp_dir in temp_dirs:
+            if os.path.exists(temp_dir):
+                directories.append(temp_dir)
+                
+        return directories
+    
+    def _monitor_file_drag(self):
+        """通过文件系统变化监控拖拽"""
+        watch_dirs = self._get_user_directories()
+        known_files = {}
+        recent_files = {}  # 用于跟踪最近添加的文件
+        
+        # 初始化已知文件
+        for watch_dir in watch_dirs:
+            if os.path.exists(watch_dir):
+                for filename in os.listdir(watch_dir):
+                    filepath = os.path.join(watch_dir, filename)
+                    if self._is_supported_format(filepath):
+                        try:
+                            stat = os.stat(filepath)
+                            known_files[filepath] = stat.st_mtime
+                        except OSError:
+                            pass
+        
+        print(f"开始监控目录: {watch_dirs}")
+        print(f"已知文件数量: {len(known_files)}")
+        
+        while self.is_running:
+            try:
+                current_time = time.time()
+                
+                for watch_dir in watch_dirs:
+                    if not os.path.exists(watch_dir):
+                        continue
+                        
+                    try:
+                        # 获取当前目录中的文件
+                        current_files = {}
+                        for filename in os.listdir(watch_dir):
+                            filepath = os.path.join(watch_dir, filename)
+                            if self._is_supported_format(filepath):
+                                try:
+                                    stat = os.stat(filepath)
+                                    current_files[filepath] = stat.st_mtime
+                                    
+                                    # 检查是否是新文件（最近5秒内创建）
+                                    if filepath not in known_files:
+                                        time_diff = current_time - stat.st_mtime
+                                        if time_diff < 5.0:
+                                            # 检查文件大小是否稳定（避免检测到正在下载的文件）
+                                            if self._is_file_stable(filepath):
+                                                print(f"检测到新文件: {filepath}")
+                                                recent_files[filepath] = current_time
+                                                self.add_dropped_file(filepath)
+                                    # 检查已知文件是否被更新
+                                    elif filepath in known_files:
+                                        if stat.st_mtime > known_files[filepath]:
+                                            time_diff = current_time - stat.st_mtime
+                                            if time_diff < 5.0 and filepath not in recent_files:
+                                                print(f"检测到文件更新: {filepath}")
+                                                recent_files[filepath] = current_time
+                                                self.add_dropped_file(filepath)
+                                                
+                                except OSError:
+                                    continue
+                                    
+                        # 更新已知文件列表
+                        known_files.update(current_files)
+                        
+                    except PermissionError:
+                        print(f"无权限访问目录: {watch_dir}")
+                        continue
+                    except Exception as e:
+                        print(f"监控目录 {watch_dir} 时出错: {e}")
+                        
+                # 清理过期的最近文件记录（超过30秒）
+                expired_files = [path for path, timestamp in recent_files.items() 
+                               if current_time - timestamp > 30]
+                for path in expired_files:
+                    del recent_files[path]
+                        
+            except Exception as e:
+                print(f"文件拖拽监控错误: {e}")
+                
+            time.sleep(0.5)
+            
+    def _is_file_stable(self, filepath, check_interval=0.5, max_checks=3):
+        """检查文件大小是否稳定（避免检测到正在下载的文件）"""
+        try:
+            initial_size = os.path.getsize(filepath)
+            for i in range(max_checks):
+                time.sleep(check_interval)
+                current_size = os.path.getsize(filepath)
+                if current_size != initial_size:
+                    return False
+            return True
+        except OSError:
+            return False
+            
+    def _monitor_loop(self):
+        """主监控循环"""
+        if self._is_x11:
+            try:
+                self._monitor_x11_drag()
+            except Exception as e:
+                print(f"X11监控失败，切换到文件监控: {e}")
+                self._monitor_file_drag()
+        elif self._is_wayland:
+            try:
+                self._monitor_wayland_drag()
+            except Exception as e:
+                print(f"Wayland监控失败，切换到文件监控: {e}")
+                self._monitor_file_drag()
+        else:
+            # 降级到文件监控
+            self._monitor_file_drag()
+            
+    def is_supported(self) -> bool:
+        """检查Linux平台是否支持"""
+        return self._is_x11 or self._is_wayland or self._xdg_active

core/drag_drop/macos_detector.py

@@ -0,0 +1,105 @@
+"""
+macOS平台拖拽检测器
+
+使用macOS Cocoa API实现系统级拖拽检测。
+"""
+
+import os
+import sys
+import time
+import threading
+from typing import List, Optional
+from .base_detector import BaseDragDetector
+
+
+class MacOSDragDetector(BaseDragDetector):
+    """macOS平台拖拽检测器"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化macOS拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+        """
+        super().__init__(supported_formats)
+        self._app_kit_available = self._check_app_kit()
+        self._cocoa_available = self._check_cocoa()
+        
+    def _check_app_kit(self) -> bool:
+        """检查AppKit是否可用"""
+        try:
+            import AppKit
+            return True
+        except ImportError:
+            return False
+            
+    def _check_cocoa(self) -> bool:
+        """检查Cocoa是否可用"""
+        try:
+            import Cocoa
+            return True
+        except ImportError:
+            return False
+            
+    def _setup_cocoa_drag_drop(self) -> bool:
+        """设置Cocoa拖拽接收"""
+        try:
+            if not self._app_kit_available:
+                return False
+                
+            import AppKit
+            
+            # 创建拖拽接收器
+            # 这里需要实现macOS的拖拽API调用
+            # 暂时返回False，需要进一步实现
+            return False
+        except Exception as e:
+            print(f"设置Cocoa拖拽失败: {e}")
+            return False
+            
+    def _monitor_file_drag(self):
+        """通过文件系统变化监控拖拽"""
+        # 监控用户桌面和下载目录
+        desktop_path = os.path.expanduser("~/Desktop")
+        downloads_path = os.path.expanduser("~/Downloads")
+        
+        watch_dirs = [desktop_path, downloads_path]
+        
+        while self.is_running:
+            try:
+                current_time = time.time()
+                for watch_dir in watch_dirs:
+                    if not os.path.exists(watch_dir):
+                        continue
+                        
+                    for filename in os.listdir(watch_dir):
+                        filepath = os.path.join(watch_dir, filename)
+                        try:
+                            file_time = os.path.getmtime(filepath)
+                            # 如果文件是最近1秒内创建的
+                            if current_time - file_time < 1.0:
+                                if self._is_supported_format(filepath):
+                                    self.add_dropped_file(filepath)
+                        except OSError:
+                            continue
+                            
+            except Exception as e:
+                print(f"文件拖拽监控错误: {e}")
+                
+            time.sleep(0.5)
+            
+    def _monitor_loop(self):
+        """主监控循环"""
+        if self._app_kit_available and self._cocoa_available:
+            # 尝试设置真正的拖拽接收
+            if not self._setup_cocoa_drag_drop():
+                # 降级到文件系统监控
+                self._monitor_file_drag()
+        else:
+            # 降级到文件系统监控
+            self._monitor_file_drag()
+            
+    def is_supported(self) -> bool:
+        """检查macOS平台是否支持"""
+        return sys.platform.startswith('darwin')

core/drag_drop/platform_detector.py

@@ -0,0 +1,66 @@
+"""
+平台拖拽检测器
+
+自动选择合适的平台特定拖拽检测器。
+"""
+
+from .base_detector import BaseDragDetector, DragDetectorFactory
+from typing import List
+
+
+class PlatformDragDetector:
+    """平台拖拽检测器包装类"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化平台拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+        """
+        self.supported_formats = supported_formats or ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']
+        self.detector = DragDetectorFactory.create_detector(self.supported_formats)
+        self._is_monitoring = False
+        
+    def set_drop_callback(self, callback):
+        """设置拖拽回调函数"""
+        if self.detector:
+            self.detector.set_drop_callback(callback)
+            
+    def start_monitoring(self):
+        """开始监控"""
+        if self.detector and not self._is_monitoring:
+            self.detector.start_monitoring()
+            self._is_monitoring = True
+            
+    def stop_monitoring(self):
+        """停止监控"""
+        if self.detector and self._is_monitoring:
+            self.detector.stop_monitoring()
+            self._is_monitoring = False
+            
+    def get_dropped_files(self):
+        """获取拖拽的文件"""
+        if self.detector:
+            return self.detector.get_dropped_files()
+        return []
+        
+    def is_supported(self) -> bool:
+        """检查当前平台是否支持"""
+        return self.detector.is_supported() if self.detector else False
+        
+    def add_dropped_file(self, file_path: str):
+        """添加拖拽的文件路径"""
+        if self.detector:
+            self.detector.add_dropped_file(file_path)
+    
+    def get_platform_info(self) -> dict:
+        """获取平台信息"""
+        import platform
+        return {
+            'system': platform.system(),
+            'release': platform.release(),
+            'version': platform.version(),
+            'detector_type': type(self.detector).__name__,
+            'supported': self.is_supported()
+        }

core/drag_drop/simple_detector.py

@@ -0,0 +1,233 @@
+#!/usr/bin/env python3
+"""
+简化的拖拽检测器
+
+使用文件系统监控和剪贴板检测实现拖拽功能
+"""
+
+import os
+import sys
+import time
+import subprocess
+import threading
+from typing import List, Optional, Callable
+from collections import deque
+import tempfile
+
+class SimpleDragDetector:
+    """简化的拖拽检测器"""
+    
+    def __init__(self, supported_formats: List[str]):
+        self.supported_formats = supported_formats
+        self.is_running = False
+        self.drop_callback = None
+        self.dropped_files = deque()
+        self.monitor_thread = None
+        self.last_clipboard = ""
+        
+    def set_drop_callback(self, callback: Callable[[List[str]], None]):
+        """设置拖拽回调函数"""
+        self.drop_callback = callback
+        
+    def start_monitoring(self):
+        """开始监控"""
+        if self.is_running:
+            return
+            
+        self.is_running = True
+        self.monitor_thread = threading.Thread(target=self._monitor_loop)
+        self.monitor_thread.daemon = True
+        self.monitor_thread.start()
+        print("✓ 简化拖拽监控已启动")
+        
+    def stop_monitoring(self):
+        """停止监控"""
+        self.is_running = False
+        if self.monitor_thread:
+            self.monitor_thread.join(timeout=1)
+            
+    def get_dropped_files(self) -> List[str]:
+        """获取拖拽的文件列表"""
+        files = list(self.dropped_files)
+        self.dropped_files.clear()
+        return files
+        
+    def add_dropped_file(self, file_path: str):
+        """添加拖拽的文件"""
+        if os.path.exists(file_path):
+            file_ext = os.path.splitext(file_path)[1].lower()
+            if file_ext in self.supported_formats:
+                self.dropped_files.append(file_path)
+                print(f"检测到拖拽文件: {file_path}")
+                
+    def _monitor_loop(self):
+        """监控循环"""
+        watch_dirs = self._get_watch_directories()
+        known_files = set()
+        
+        # 初始化已知文件
+        for watch_dir in watch_dirs:
+            self._scan_directory(watch_dir, known_files)
+            
+        print(f"监控目录: {watch_dirs}")
+        print(f"已知文件数量: {len(known_files)}")
+        
+        while self.is_running:
+            try:
+                current_time = time.time()
+                
+                # 1. 检查剪贴板变化
+                self._check_clipboard()
+                
+                # 2. 检查文件系统变化
+                for watch_dir in watch_dirs:
+                    if not os.path.exists(watch_dir):
+                        continue
+                        
+                    try:
+                        current_files = set()
+                        for filename in os.listdir(watch_dir):
+                            filepath = os.path.join(watch_dir, filename)
+                            if self._is_supported_format(filepath):
+                                try:
+                                    stat = os.stat(filepath)
+                                    current_files.add(filepath)
+                                    
+                                    # 检查新文件
+                                    if filepath not in known_files:
+                                        time_diff = current_time - stat.st_mtime
+                                        if time_diff < 5.0:  # 5秒内创建的文件
+                                            if self._is_file_stable(filepath):
+                                                print(f"检测到新文件: {filepath}")
+                                                self.add_dropped_file(filepath)
+                                                if self.drop_callback:
+                                                    self.drop_callback([filepath])
+                                                
+                                except OSError:
+                                    continue
+                                    
+                        known_files.update(current_files)
+                        
+                    except PermissionError:
+                        continue
+                    except Exception as e:
+                        print(f"监控目录 {watch_dir} 时出错: {e}")
+                        
+            except Exception as e:
+                print(f"监控循环错误: {e}")
+                
+            time.sleep(0.3)  # 更频繁的检查
+            
+    def _check_clipboard(self):
+        """检查剪贴板变化"""
+        try:
+            # 检查剪贴板
+            result = subprocess.run(['xclip', '-selection', 'clipboard', '-o'],
+                                  capture_output=True, text=True, timeout=0.5)
+            if result.returncode == 0 and result.stdout.strip():
+                current_clipboard = result.stdout.strip()
+                if current_clipboard != self.last_clipboard:
+                    self.last_clipboard = current_clipboard
+                    files = self._parse_clipboard_content(current_clipboard)
+                    if files:
+                        print(f"剪贴板检测到文件: {files}")
+                        for file_path in files:
+                            self.add_dropped_file(file_path)
+                        if self.drop_callback:
+                            self.drop_callback(files)
+                            
+        except Exception:
+            # 尝试使用xsel
+            try:
+                result = subprocess.run(['xsel', '--clipboard', '--output'],
+                                      capture_output=True, text=True, timeout=0.5)
+                if result.returncode == 0 and result.stdout.strip():
+                    current_clipboard = result.stdout.strip()
+                    if current_clipboard != self.last_clipboard:
+                        self.last_clipboard = current_clipboard
+                        files = self._parse_clipboard_content(current_clipboard)
+                        if files:
+                            for file_path in files:
+                                self.add_dropped_file(file_path)
+                            if self.drop_callback:
+                                self.drop_callback(files)
+            except Exception:
+                pass
+                
+    def _parse_clipboard_content(self, content: str) -> List[str]:
+        """解析剪贴板内容"""
+        files = []
+        for line in content.split('\n'):
+            line = line.strip()
+            if line.startswith('file://'):
+                file_path = line[7:]
+                file_path = file_path.replace('%20', ' ')
+                if os.path.exists(file_path):
+                    files.append(file_path)
+            elif os.path.isabs(line) and os.path.exists(line):
+                files.append(line)
+        return files
+        
+    def _get_watch_directories(self) -> List[str]:
+        """获取监控目录"""
+        dirs = [
+            os.path.expanduser('~/Desktop'),
+            os.path.expanduser('~/Downloads'),
+            tempfile.gettempdir()
+        ]
+        
+        # 添加一些常见的拖拽目标目录
+        additional_dirs = [
+            os.path.expanduser('~/Documents'),
+            os.path.expanduser('~'),
+            '/tmp'
+        ]
+        
+        for dir_path in additional_dirs:
+            if os.path.exists(dir_path) and os.path.isdir(dir_path):
+                dirs.append(dir_path)
+                
+        return [d for d in dirs if os.path.exists(d)]
+        
+    def _scan_directory(self, directory: str, known_files: set):
+        """扫描目录"""
+        try:
+            for filename in os.listdir(directory):
+                filepath = os.path.join(directory, filename)
+                if self._is_supported_format(filepath):
+                    try:
+                        known_files.add(filepath)
+                    except OSError:
+                        pass
+        except Exception:
+            pass
+            
+    def _is_supported_format(self, file_path: str) -> bool:
+        """检查文件格式是否支持"""
+        if not os.path.isfile(file_path):
+            return False
+        file_ext = os.path.splitext(file_path)[1].lower()
+        return file_ext in self.supported_formats
+        
+    def _is_file_stable(self, file_path: str, wait_time: float = 0.5) -> bool:
+        """检查文件是否稳定"""
+        try:
+            initial_size = os.path.getsize(file_path)
+            time.sleep(wait_time)
+            current_size = os.path.getsize(file_path)
+            return initial_size == current_size
+        except:
+            return False
+            
+    def is_supported(self) -> bool:
+        """检查是否支持"""
+        return True  # 这个版本总是支持的
+        
+    def get_platform_info(self) -> dict:
+        """获取平台信息"""
+        return {
+            'system': 'Linux',
+            'detector_type': 'SimpleDragDetector',
+            'supported': True,
+            'method': 'File system + clipboard monitoring'
+        }

core/drag_drop/windows_detector.py

@@ -0,0 +1,221 @@
+"""
+Windows平台拖拽检测器
+
+使用Windows API实现系统级拖拽检测。
+"""
+
+import os
+import sys
+import time
+import threading
+from typing import List, Optional
+from .base_detector import BaseDragDetector
+
+
+class WindowsDragDetector(BaseDragDetector):
+    """Windows平台拖拽检测器"""
+    
+    def __init__(self, supported_formats: List[str] = None):
+        """
+        初始化Windows拖拽检测器
+        
+        Args:
+            supported_formats: 支持的文件格式列表
+        """
+        super().__init__(supported_formats)
+        self._hwnd = None
+        self._old_win_proc = None
+        self._is_com_initialized = False
+        self._ole_initialized = False
+        
+    def _initialize_com(self) -> bool:
+        """初始化COM"""
+        try:
+            import ctypes
+            from ctypes import wintypes
+            
+            # 初始化COM
+            ctypes.windll.ole32.CoInitializeEx(None, 0)  # COINIT_APARTMENTTHREADED
+            self._is_com_initialized = True
+            return True
+        except Exception as e:
+            print(f"COM初始化失败: {e}")
+            return False
+            
+    def _initialize_ole(self) -> bool:
+        """初始化OLE"""
+        try:
+            import ctypes
+            from ctypes import wintypes
+            
+            # 初始化OLE
+            ctypes.windll.ole32.OleInitialize(None)
+            self._ole_initialized = True
+            return True
+        except Exception as e:
+            print(f"OLE初始化失败: {e}")
+            return False
+            
+    def _get_window_handle(self) -> Optional[int]:
+        """获取Panda3D窗口句柄"""
+        try:
+            # 这里需要获取Panda3D窗口的句柄
+            # 可能需要通过Panda3D的API获取
+            # 暂时返回None，需要进一步实现
+            return None
+        except Exception as e:
+            print(f"获取窗口句柄失败: {e}")
+            return None
+            
+    def _setup_drag_drop(self) -> bool:
+        """设置拖拽接收"""
+        try:
+            import ctypes
+            from ctypes import wintypes
+            
+            hwnd = self._get_window_handle()
+            if not hwnd:
+                return False
+                
+            # 注册拖拽接收窗口
+            # 这里需要实现Windows拖拽API的调用
+            # 暂时返回False，需要进一步实现
+            return False
+        except Exception as e:
+            print(f"设置拖拽接收失败: {e}")
+            return False
+            
+    def _monitor_clipboard_drag(self):
+        """通过剪贴板监控拖拽"""
+        try:
+            import ctypes
+            from ctypes import wintypes
+            
+            user32 = ctypes.windll.user32
+            kernel32 = ctypes.windll.kernel32
+            
+            # 监控剪贴板变化
+            while self.is_running:
+                # 检查剪贴板是否包含文件
+                if user32.OpenClipboard(None):
+                    try:
+                        # 检查是否是文件格式
+                        format_id = 15  # CF_HDROP
+                        if user32.IsClipboardFormatAvailable(format_id):
+                            # 获取拖拽文件列表
+                            h_drop = user32.GetClipboardData(format_id)
+                            if h_drop:
+                                files = self._parse_drop_files(h_drop)
+                                for file_path in files:
+                                    self.add_dropped_file(file_path)
+                    finally:
+                        user32.CloseClipboard()
+                        
+                time.sleep(0.1)
+                
+        except Exception as e:
+            print(f"剪贴板监控错误: {e}")
+            
+    def _parse_drop_files(self, h_drop) -> List[str]:
+        """解析拖拽文件列表"""
+        try:
+            import ctypes
+            from ctypes import wintypes
+            
+            kernel32 = ctypes.windll.kernel32
+            shell32 = ctypes.windll.shell32
+            
+            # 获取文件数量
+            file_count = shell32.DragQueryFileW(h_drop, 0xFFFFFFFF, None, 0)
+            files = []
+            
+            # 获取每个文件路径
+            for i in range(file_count):
+                # 获取文件路径长度
+                length = shell32.DragQueryFileW(h_drop, i, None, 0)
+                if length > 0:
+                    # 分配缓冲区
+                    buffer = ctypes.create_unicode_buffer(length + 1)
+                    # 获取文件路径
+                    shell32.DragQueryFileW(h_drop, i, buffer, length + 1)
+                    files.append(buffer.value)
+                    
+            return files
+        except Exception as e:
+            print(f"解析拖拽文件失败: {e}")
+            return []
+            
+    def _monitor_file_drag(self):
+        """通过文件系统变化监控拖拽"""
+        # 监控用户桌面和下载目录
+        import winreg
+        
+        try:
+            # 获取桌面路径
+            key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, 
+                               r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
+            desktop_path = winreg.QueryValueEx(key, "Desktop")[0]
+            downloads_path = winreg.QueryValueEx(key, "{374DE290-123F-4565-9164-39C4925E467B}")[0]  # 下载文件夹
+            winreg.CloseKey(key)
+        except Exception:
+            # 降级到默认路径
+            desktop_path = os.path.expanduser("~/Desktop")
+            downloads_path = os.path.expanduser("~/Downloads")
+            
+        watch_dirs = [desktop_path, downloads_path]
+        
+        while self.is_running:
+            try:
+                current_time = time.time()
+                for watch_dir in watch_dirs:
+                    if not os.path.exists(watch_dir):
+                        continue
+                        
+                    for filename in os.listdir(watch_dir):
+                        filepath = os.path.join(watch_dir, filename)
+                        try:
+                            file_time = os.path.getmtime(filepath)
+                            # 如果文件是最近1秒内创建的
+                            if current_time - file_time < 1.0:
+                                if self._is_supported_format(filepath):
+                                    self.add_dropped_file(filepath)
+                        except OSError:
+                            continue
+                            
+            except Exception as e:
+                print(f"文件拖拽监控错误: {e}")
+                
+            time.sleep(0.5)
+            
+    def _monitor_loop(self):
+        """主监控循环"""
+        # 尝试初始化COM和OLE
+        com_ready = self._initialize_com()
+        ole_ready = self._initialize_ole()
+        
+        if com_ready and ole_ready:
+            # 尝试设置真正的拖拽接收
+            if self._setup_drag_drop():
+                # 使用Windows API拖拽检测
+                pass
+            else:
+                # 降级到剪贴板监控
+                self._monitor_clipboard_drag()
+        else:
+            # 降级到文件系统监控
+            self._monitor_file_drag()
+            
+        # 清理COM和OLE
+        try:
+            if self._ole_initialized:
+                import ctypes
+                ctypes.windll.ole32.OleUninitialize()
+            if self._is_com_initialized:
+                import ctypes
+                ctypes.windll.ole32.CoUninitialize()
+        except Exception:
+            pass
+            
+    def is_supported(self) -> bool:
+        """检查Windows平台是否支持"""
+        return sys.platform.startswith('win')

core/drag_drop/x11_drag_receiver.py

@@ -0,0 +1,311 @@
+#!/usr/bin/env python3
+"""
+X11窗口拖拽事件接收器
+
+使用X11的Xdnd协议实现真正的窗口拖拽功能
+"""
+
+import os
+import sys
+import time
+import subprocess
+import threading
+from typing import List, Optional, Callable
+from collections import deque
+
+class X11DragReceiver:
+    """X11窗口拖拽事件接收器"""
+    
+    def __init__(self, supported_formats: List[str]):
+        self.supported_formats = supported_formats
+        self.window_id = None
+        self.is_running = False
+        self.drop_callback = None
+        self.dropped_files = deque()
+        self.monitor_thread = None
+        
+        # X11相关
+        self.x11_display = os.environ.get('DISPLAY', ':0')
+        self.xdnd_aware = True  # 标记窗口支持拖拽
+        
+    def set_window(self, window_id: int):
+        """设置要监控的窗口ID"""
+        self.window_id = window_id
+        print(f"设置拖拽监控窗口: {window_id}")
+        
+    def set_drop_callback(self, callback: Callable[[List[str]], None]):
+        """设置拖拽回调函数"""
+        self.drop_callback = callback
+        
+    def start_monitoring(self):
+        """开始监控拖拽事件"""
+        if self.is_running:
+            return
+            
+        self.is_running = True
+        self.monitor_thread = threading.Thread(target=self._monitor_drag_events)
+        self.monitor_thread.daemon = True
+        self.monitor_thread.start()
+        print("X11拖拽监控已启动")
+        
+    def stop_monitoring(self):
+        """停止监控"""
+        self.is_running = False
+        if self.monitor_thread:
+            self.monitor_thread.join(timeout=1)
+            
+    def get_dropped_files(self) -> List[str]:
+        """获取拖拽的文件列表"""
+        files = list(self.dropped_files)
+        self.dropped_files.clear()
+        return files
+        
+    def add_dropped_file(self, file_path: str):
+        """添加拖拽的文件"""
+        if os.path.exists(file_path):
+            file_ext = os.path.splitext(file_path)[1].lower()
+            if file_ext in self.supported_formats:
+                self.dropped_files.append(file_path)
+                print(f"检测到拖拽文件: {file_path}")
+                
+    def _monitor_drag_events(self):
+        """监控拖拽事件"""
+        if not self.window_id:
+            print("窗口ID未设置，无法监控拖拽事件")
+            return
+            
+        try:
+            # 首先注册窗口为拖拽目标
+            self._register_drag_target()
+            
+            # 使用xev监控窗口事件
+            cmd = ['xev', '-id', str(self.window_id), '-event', 'dnd']
+            process = subprocess.Popen(cmd,
+                                     stdout=subprocess.PIPE,
+                                     stderr=subprocess.PIPE,
+                                     text=True)
+            
+            print(f"开始监控窗口 {self.window_id} 的拖拽事件")
+            
+            while self.is_running:
+                line = process.stdout.readline()
+                if not line:
+                    break
+                    
+                # 解析拖拽事件
+                if 'XdndEnter' in line:
+                    self._handle_drag_enter(line)
+                elif 'XdndPosition' in line:
+                    self._handle_drag_position(line)
+                elif 'XdndDrop' in line:
+                    self._handle_drag_drop(line)
+                elif 'XdndLeave' in line:
+                    self._handle_drag_leave(line)
+                    
+        except Exception as e:
+            print(f"拖拽事件监控错误: {e}")
+            # 降级到文件监控
+            self._fallback_to_file_monitor()
+        finally:
+            if 'process' in locals():
+                process.terminate()
+                
+    def _register_drag_target(self):
+        """注册窗口为拖拽目标"""
+        try:
+            # 使用xprop设置窗口属性，标记支持拖拽
+            cmd = ['xprop', '-id', str(self.window_id), '-f', '_NET_WM_WINDOW_TYPE', '32a', 
+                   '-set', '_NET_WM_WINDOW_TYPE', '_NET_WM_WINDOW_TYPE_NORMAL']
+            subprocess.run(cmd, capture_output=True, timeout=2)
+            
+            # 设置XdndAware属性
+            cmd = ['xprop', '-id', str(self.window_id), '-f', 'XdndAware', '32c', 
+                   '-set', 'XdndAware', '5']
+            subprocess.run(cmd, capture_output=True, timeout=2)
+            
+            print(f"窗口 {self.window_id} 已注册为拖拽目标")
+            
+        except Exception as e:
+            print(f"注册拖拽目标失败: {e}")
+            
+    def _handle_drag_enter(self, event_line: str):
+        """处理拖拽进入事件"""
+        print("检测到拖拽进入")
+        
+    def _handle_drag_position(self, event_line: str):
+        """处理拖拽位置事件"""
+        # 可以在这里更新拖拽位置显示
+        pass
+        
+    def _handle_drag_drop(self, event_line: str):
+        """处理拖拽释放事件"""
+        print("检测到拖拽释放")
+        
+        # 尝试获取拖拽的文件
+        files = self._extract_dropped_files()
+        if files:
+            for file_path in files:
+                self.add_dropped_file(file_path)
+                
+            # 调用回调函数
+            if self.drop_callback:
+                self.drop_callback(list(self.dropped_files))
+                
+    def _handle_drag_leave(self, event_line: str):
+        """处理拖拽离开事件"""
+        print("拖拽离开窗口")
+        
+    def _extract_dropped_files(self) -> List[str]:
+        """提取拖拽的文件路径"""
+        files = []
+        
+        try:
+            # 方法1：尝试从剪贴板获取
+            result = subprocess.run(['xclip', '-selection', 'clipboard', '-o'],
+                                  capture_output=True, text=True, timeout=1)
+            if result.returncode == 0 and result.stdout.strip():
+                files.extend(self._parse_uri_list(result.stdout.strip()))
+                
+            # 方法2：尝试从主选择获取
+            result = subprocess.run(['xclip', '-selection', 'primary', '-o'],
+                                  capture_output=True, text=True, timeout=1)
+            if result.returncode == 0 and result.stdout.strip():
+                files.extend(self._parse_uri_list(result.stdout.strip()))
+                
+            # 方法3：使用xsel作为备选
+            if not files:
+                result = subprocess.run(['xsel', '--clipboard', '--output'],
+                                      capture_output=True, text=True, timeout=1)
+                if result.returncode == 0 and result.stdout.strip():
+                    files.extend(self._parse_uri_list(result.stdout.strip()))
+                    
+        except Exception as e:
+            print(f"提取拖拽文件失败: {e}")
+            
+        return files
+        
+    def _parse_uri_list(self, uri_list: str) -> List[str]:
+        """解析URI列表，提取文件路径"""
+        files = []
+        
+        for line in uri_list.split('\n'):
+            line = line.strip()
+            if not line or line.startswith('#'):
+                continue
+                
+            if line.startswith('file://'):
+                # URI格式
+                file_path = line[7:]  # 移除 'file://' 前缀
+                file_path = file_path.replace('%20', ' ')  # 解码空格
+                file_path = file_path.strip()
+                
+                # 移除可能的回车符
+                if file_path.endswith('\r'):
+                    file_path = file_path[:-1]
+                    
+                if os.path.exists(file_path):
+                    files.append(file_path)
+            elif os.path.isabs(line):
+                # 绝对路径
+                if os.path.exists(line):
+                    files.append(line)
+                    
+        return files
+        
+    def _fallback_to_file_monitor(self):
+        """降级到文件监控"""
+        print("降级到文件监控模式")
+        
+        # 监控桌面和下载目录
+        watch_dirs = [
+            os.path.expanduser('~/Desktop'),
+            os.path.expanduser('~/Downloads'),
+            '/tmp'
+        ]
+        
+        known_files = set()
+        
+        # 初始化已知文件
+        for watch_dir in watch_dirs:
+            if os.path.exists(watch_dir):
+                for filename in os.listdir(watch_dir):
+                    filepath = os.path.join(watch_dir, filename)
+                    if self._is_supported_format(filepath):
+                        try:
+                            known_files.add(filepath)
+                        except OSError:
+                            pass
+                            
+        while self.is_running:
+            try:
+                current_time = time.time()
+                
+                for watch_dir in watch_dirs:
+                    if not os.path.exists(watch_dir):
+                        continue
+                        
+                    try:
+                        for filename in os.listdir(watch_dir):
+                            filepath = os.path.join(watch_dir, filename)
+                            if self._is_supported_format(filepath):
+                                try:
+                                    file_time = os.path.getmtime(filepath)
+                                    
+                                    # 检查是否是新文件（最近5秒内创建）
+                                    if filepath not in known_files and current_time - file_time < 5.0:
+                                        print(f"检测到新文件: {filepath}")
+                                        self.add_dropped_file(filepath)
+                                        
+                                        # 调用回调函数
+                                        if self.drop_callback:
+                                            self.drop_callback([filepath])
+                                            
+                                    known_files.add(filepath)
+                                    
+                                except OSError:
+                                    continue
+                                    
+                    except PermissionError:
+                        continue
+                    except Exception as e:
+                        print(f"监控目录 {watch_dir} 时出错: {e}")
+                        
+            except Exception as e:
+                print(f"文件监控错误: {e}")
+                
+            time.sleep(0.5)
+            
+    def _is_supported_format(self, file_path: str) -> bool:
+        """检查文件格式是否支持"""
+        if not os.path.isfile(file_path):
+            return False
+            
+        file_ext = os.path.splitext(file_path)[1].lower()
+        return file_ext in self.supported_formats
+        
+    def is_supported(self) -> bool:
+        """检查是否支持拖拽功能"""
+        # 检查X11环境
+        if not os.environ.get('DISPLAY'):
+            return False
+            
+        # 检查必要工具
+        required_tools = ['xev', 'xprop', 'xclip']
+        for tool in required_tools:
+            try:
+                subprocess.run(['which', tool], capture_output=True, check=True)
+            except subprocess.CalledProcessError:
+                print(f"缺少必要工具: {tool}")
+                return False
+                
+        return True
+        
+    def get_platform_info(self) -> dict:
+        """获取平台信息"""
+        return {
+            'system': 'Linux',
+            'detector_type': 'X11DragReceiver',
+            'supported': self.is_supported(),
+            'display': self.x11_display,
+            'window_id': self.window_id
+        }

core/resource_manager.py

@@ -0,0 +1,373 @@
+"""
+资源管理器模块 - ImGui版本
+提供文件浏览、图标显示、右键菜单等功能
+"""
+
+import os
+import subprocess
+import platform
+from pathlib import Path
+from typing import Dict, List, Optional, Tuple, Set
+import time
+
+
+class ResourceManager:
+    """ImGui资源管理器类"""
+    
+    def __init__(self, world):
+        self.world = world
+        self.project_root = Path(__file__).resolve().parent.parent
+        
+        # 当前浏览路径，默认从Resources目录开始
+        self.current_path = self.project_root / "Resources"
+        if not self.current_path.exists():
+            self.current_path = self.project_root
+            
+        # 历史记录，用于前进后退导航
+        self.navigation_history: List[Path] = [self.current_path]
+        self.history_index = 0
+        
+        # 文件选择状态
+        self.selected_files: Set[Path] = set()
+        self.focused_file: Optional[Path] = None
+        
+        # 右键菜单状态
+        self.show_context_menu = False
+        self.context_menu_file: Optional[Path] = None
+        self.context_menu_position = (0, 0)
+        
+        # 搜索和过滤
+        self.search_filter = ""
+        self.show_hidden_files = False
+        
+        # 文件系统监控
+        self.last_refresh_time = 0
+        self.refresh_interval = 1.0  # 秒
+        self.auto_refresh_enabled = True
+        self.last_directory_content = {}  # 缓存目录内容，用于检测变化
+        
+        # 拖拽状态
+        self.dragged_files: List[Path] = []
+        
+        # 展开/折叠状态
+        self.expanded_directories: Set[Path] = set()
+        
+        # 文件图标映射（Unicode Emoji）
+        self._init_icon_map()
+        
+    def _init_icon_map(self):
+        """初始化文件图标映射"""
+        self.icon_map = {
+            # 编程语言文件
+            '.py': '🐍',        # Python文件
+            '.js': '⚡',        # JavaScript文件
+            '.ts': '⚡',        # TypeScript文件
+            '.html': '🌐',      # HTML文件
+            '.css': '🎨',       # CSS文件
+            '.json': '📋',      # JSON文件
+            '.xml': '📄',       # XML文件
+            '.yaml': '📄',      # YAML文件
+            '.yml': '📄',       # YAML文件
+            '.md': '📝',        # Markdown文档
+            
+            # 3D模型文件
+            '.fbx': '🎭',       # FBX模型文件
+            '.obj': '🎭',       # OBJ模型文件
+            '.gltf': '🎭',      # glTF模型
+            '.glb': '🎭',       # glTF二进制模型
+            '.bam': '🎭',       # BAM模型文件
+            '.egg': '🎭',       # EGG模型文件
+            '.dae': '🎭',       # Collada模型
+            '.3ds': '🎭',       # 3DS模型
+            '.blend': '🎭',     # Blender文件
+            
+            # 图像文件
+            '.jpg': '🖼️',       # JPEG图像
+            '.jpeg': '🖼️',      # JPEG图像
+            '.png': '🖼️',       # PNG图像
+            '.gif': '🖼️',       # GIF图像
+            '.bmp': '🖼️',       # BMP图像
+            '.tga': '🖼️',       # TGA图像
+            '.tiff': '🖼️',      # TIFF图像
+            '.webp': '🖼️',      # WebP图像
+            '.svg': '🖼️',       # SVG图像
+            '.ico': '🖼️',       # ICO图标
+            
+            # 音频文件
+            '.mp3': '🎵',       # MP3音频
+            '.wav': '🎵',       # WAV音频
+            '.ogg': '🎵',       # OGG音频
+            '.flac': '🎵',      # FLAC音频
+            '.m4a': '🎵',       # M4A音频
+            
+            # 视频文件
+            '.mp4': '🎬',       # MP4视频
+            '.avi': '🎬',       # AVI视频
+            '.mkv': '🎬',       # MKV视频
+            '.mov': '🎬',       # MOV视频
+            '.wmv': '🎬',       # WMV视频
+            '.flv': '🎬',       # FLV视频
+            
+            # 文档文件
+            '.txt': '📄',       # 纯文本文件
+            '.pdf': '📕',       # PDF文档
+            '.doc': '📘',       # Word文档
+            '.docx': '📘',      # Word文档
+            '.xls': '📗',       # Excel表格
+            '.xlsx': '📗',      # Excel表格
+            '.ppt': '📙',       # PowerPoint演示
+            '.pptx': '📙',      # PowerPoint演示
+            
+            # 压缩文件
+            '.zip': '📦',       # ZIP压缩包
+            '.rar': '📦',       # RAR压缩包
+            '.7z': '📦',        # 7Z压缩包
+            '.tar': '📦',       # TAR压缩包
+            '.gz': '📦',        # GZ压缩包
+            
+            # 配置文件
+            '.ini': '⚙️',       # INI配置文件
+            '.cfg': '⚙️',       # CFG配置文件
+            '.conf': '⚙️',      # CONF配置文件
+            '.toml': '⚙️',      # TOML配置文件
+            
+            # 字体文件
+            '.ttf': '🔤',       # TrueType字体
+            '.otf': '🔤',       # OpenType字体
+            '.woff': '🔤',      # WOFF字体
+            '.woff2': '🔤',     # WOFF2字体
+            
+            # 默认图标
+            'default': '📄',    # 默认文件图标
+            'folder': '📁',     # 文件夹图标
+            'folder_open': '📂', # 打开的文件夹图标
+            'drive': '💾',      # 驱动器图标
+            'home': '🏠',       # 主目录图标
+        }
+        
+    def get_file_icon(self, filename: str, is_folder: bool = False) -> str:
+        """根据文件名获取图标"""
+        if is_folder:
+            return self.icon_map['folder']
+        
+        ext = Path(filename).suffix.lower()
+        return self.icon_map.get(ext, self.icon_map['default'])
+    
+    def get_directory_contents(self, path: Path) -> Tuple[List[Path], List[Path]]:
+        """获取目录内容，返回(目录列表, 文件列表)"""
+        if not path.exists() or not path.is_dir():
+            return [], []
+        
+        dirs = []
+        files = []
+        
+        try:
+            for item in path.iterdir():
+                # 跳过隐藏文件（除非启用显示隐藏文件）
+                if not self.show_hidden_files and item.name.startswith('.'):
+                    continue
+                    
+                if item.is_dir():
+                    dirs.append(item)
+                else:
+                    files.append(item)
+                    
+            # 排序：目录和文件分别按名称排序
+            dirs.sort(key=lambda x: x.name.lower())
+            files.sort(key=lambda x: x.name.lower())
+            
+        except PermissionError:
+            pass
+            
+        return dirs, files
+    
+    def navigate_to(self, path: Path):
+        """导航到指定路径"""
+        if path.exists() and path.is_dir():
+            self.current_path = path.resolve()
+            
+            # 更新导航历史
+            if self.history_index < len(self.navigation_history) - 1:
+                # 如果不在历史末尾，截断后面的历史
+                self.navigation_history = self.navigation_history[:self.history_index + 1]
+            
+            self.navigation_history.append(self.current_path)
+            self.history_index += 1
+            
+            # 清除选择状态
+            self.selected_files.clear()
+            self.focused_file = None
+            
+    def navigate_back(self):
+        """后退到上一个目录"""
+        if self.history_index > 0:
+            self.history_index -= 1
+            self.current_path = self.navigation_history[self.history_index]
+            self.selected_files.clear()
+            self.focused_file = None
+            
+    def navigate_forward(self):
+        """前进到下一个目录"""
+        if self.history_index < len(self.navigation_history) - 1:
+            self.history_index += 1
+            self.current_path = self.navigation_history[self.history_index]
+            self.selected_files.clear()
+            self.focused_file = None
+            
+    def navigate_up(self):
+        """导航到父目录"""
+        parent = self.current_path.parent
+        if parent != self.current_path:  # 避免在根目录时循环
+            self.navigate_to(parent)
+            
+    def navigate_to_selected(self):
+        """导航到选中的目录"""
+        if self.focused_file and self.focused_file.is_dir():
+            self.navigate_to(self.focused_file)
+            
+    def open_file(self, file_path: Path):
+        """使用系统默认程序打开文件"""
+        try:
+            if platform.system() == "Windows":
+                os.startfile(str(file_path))
+            elif platform.system() == "Darwin":  # macOS
+                subprocess.run(["open", str(file_path)], check=True)
+            else:  # Linux
+                subprocess.run(["xdg-open", str(file_path)], check=True)
+        except Exception as e:
+            print(f"无法打开文件 {file_path}: {e}")
+            
+    def get_file_size_string(self, path: Path) -> str:
+        """获取文件大小的字符串表示"""
+        if path.is_dir():
+            return ""
+            
+        try:
+            size = path.stat().st_size
+            for unit in ['B', 'KB', 'MB', 'GB']:
+                if size < 1024.0:
+                    return f"{size:.1f} {unit}"
+                size /= 1024.0
+            return f"{size:.1f} TB"
+        except:
+            return ""
+            
+    def should_show_file(self, path: Path) -> bool:
+        """判断文件是否应该显示（基于搜索过滤）"""
+        if not self.search_filter:
+            return True
+            
+        return self.search_filter.lower() in path.name.lower()
+        
+    def toggle_directory_expansion(self, path: Path):
+        """切换目录展开/折叠状态"""
+        if path in self.expanded_directories:
+            self.expanded_directories.remove(path)
+        else:
+            self.expanded_directories.add(path)
+            
+    def is_directory_expanded(self, path: Path) -> bool:
+        """检查目录是否展开"""
+        return path in self.expanded_directories
+        
+    def refresh_if_needed(self):
+        """如果需要则刷新目录内容"""
+        if not self.auto_refresh_enabled:
+            return False
+            
+        current_time = time.time()
+        if current_time - self.last_refresh_time > self.refresh_interval:
+            self.last_refresh_time = current_time
+            
+            # 检查目录内容是否发生变化
+            if self._has_directory_changed():
+                return True
+        return False
+    
+    def _has_directory_changed(self) -> bool:
+        """检查目录内容是否发生变化"""
+        try:
+            # 获取当前目录内容
+            dirs, files = self.get_directory_contents(self.current_path)
+            current_content = {
+                'dirs': {d.name: d.stat().st_mtime for d in dirs},
+                'files': {f.name: f.stat().st_mtime for f in files}
+            }
+            
+            # 获取缓存的内容
+            cache_key = str(self.current_path)
+            cached_content = self.last_directory_content.get(cache_key)
+            
+            if cached_content is None:
+                # 首次访问，缓存内容
+                self.last_directory_content[cache_key] = current_content
+                return False
+            
+            # 比较内容
+            if cached_content != current_content:
+                # 内容发生变化，更新缓存
+                self.last_directory_content[cache_key] = current_content
+                return True
+                
+            return False
+            
+        except Exception as e:
+            print(f"检查目录变化时出错: {e}")
+            return False
+    
+    def force_refresh(self):
+        """强制刷新当前目录"""
+        cache_key = str(self.current_path)
+        if cache_key in self.last_directory_content:
+            del self.last_directory_content[cache_key]
+        self.last_refresh_time = 0
+    
+    def set_auto_refresh(self, enabled: bool):
+        """设置自动刷新开关"""
+        self.auto_refresh_enabled = enabled
+        if enabled:
+            self.force_refresh()
+        
+    def get_project_root(self) -> Path:
+        """获取项目根目录"""
+        current = Path(__file__).resolve()
+        while current.parent != current:
+            if (current / "main.py").exists() or (current / ".git").exists():
+                return current
+            current = current.parent
+        return Path(__file__).resolve().parent.parent
+        
+    def get_relative_path(self, path: Path) -> str:
+        """获取相对于项目根目录的路径"""
+        try:
+            return str(path.relative_to(self.project_root))
+        except ValueError:
+            return str(path)
+    
+    def start_drag(self, files: List[Path]):
+        """开始拖拽操作"""
+        self.dragged_files = files.copy()
+        
+    def clear_drag(self):
+        """清除拖拽状态"""
+        self.dragged_files.clear()
+        
+    def is_dragging(self) -> bool:
+        """检查是否正在拖拽"""
+        return len(self.dragged_files) > 0
+        
+    def get_dragged_files(self) -> List[Path]:
+        """获取当前拖拽的文件列表"""
+        return self.dragged_files.copy()
+        
+    def can_drag_to_scene(self) -> bool:
+        """检查是否可以拖拽到场景中"""
+        if not self.is_dragging():
+            return False
+            
+        # 检查是否有支持的3D模型文件
+        supported_extensions = {'.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj'}
+        for file_path in self.dragged_files:
+            if file_path.suffix.lower() in supported_extensions:
+                return True
+        return False

demo.py

@@ -31,6 +31,7 @@ from project.project_manager import ProjectManager
 from core.InfoPanelManager import InfoPanelManager
 from core.collision_manager import CollisionManager
 from core.CustomMouseController import CustomMouseController
+from core.resource_manager import ResourceManager
 
 # 拖拽监控类
 class DragDropMonitor:
@@ -150,6 +151,9 @@ class MyWorld(CoreWorld):
         # 初始化碰撞管理器
         self.collision_manager = CollisionManager(self)
 
+        # 初始化资源管理器
+        self.resource_manager = ResourceManager(self)
+
         # 初始化自定义鼠标控制器（视角移动）
         self.mouse_controller = CustomMouseController(self)
         self.mouse_controller.setUp(mouse_speed=25, move_speed=20)
@@ -262,6 +266,7 @@ class MyWorld(CoreWorld):
         self.showConsole = True
         self.showScriptPanel = True
         self.showToolbar = True
+        self.showResourceManager = True
 
         # 菜单状态管理
         self.show_new_project_dialog = False
@@ -542,6 +547,12 @@ class MyWorld(CoreWorld):
         
         # 绘制拖拽界面
         self._draw_drag_drop_interface()
+        
+        # 检查鼠标释放事件（用于处理拖拽结束）
+        if imgui.is_mouse_released(0) and self.is_dragging:
+            if not imgui.is_any_window_hovered():
+                # 在3D视图中释放，处理模型导入
+                self._handle_drag_drop_completion()
     
     def _draw_docked_layout(self, window_width, window_height):
         """绘制可停靠的布局（支持拖拽）"""
@@ -549,6 +560,10 @@ class MyWorld(CoreWorld):
         if self.showSceneTree:
             self._draw_scene_tree()
         
+        # 资源管理器面板
+        if self.showResourceManager:
+            self._draw_resource_manager()
+        
         # 属性面板
         if self.showPropertyPanel:
             self._draw_property_panel()
@@ -610,6 +625,7 @@ class MyWorld(CoreWorld):
                     if view_menu:
                         _, self.showToolbar = imgui.menu_item("工具栏", "", self.showToolbar, True)
                         _, self.showSceneTree = imgui.menu_item("场景树", "", self.showSceneTree, True)
+                        _, self.showResourceManager = imgui.menu_item("资源管理器", "", self.showResourceManager, True)
                         _, self.showPropertyPanel = imgui.menu_item("属性面板", "", self.showPropertyPanel, True)
                         _, self.showConsole = imgui.menu_item("控制台", "", self.showConsole, True)
                         _, self.showScriptPanel = imgui.menu_item("脚本管理", "", self.showScriptPanel, True)
@@ -739,6 +755,304 @@ class MyWorld(CoreWorld):
                 imgui.text("(空)")
                 imgui.tree_pop()
     
+    def _draw_resource_manager(self):
+        """绘制资源管理器面板"""
+        # 使用面板类型的窗口标志，支持docking
+        flags = self.style_manager.get_window_flags("panel")
+        
+        with self.style_manager.begin_styled_window("资源管理器", self.showResourceManager, flags):
+            self.showResourceManager = True  # 确保窗口保持打开
+            
+            # 获取资源管理器实例
+            rm = self.resource_manager
+            
+            # 工具栏
+            imgui.text("文件浏览器")
+            imgui.separator()
+            
+            # 导航按钮
+            if imgui.button("◀"):
+                rm.navigate_back()
+            imgui.same_line()
+            if imgui.button("▶"):
+                rm.navigate_forward()
+            imgui.same_line()
+            if imgui.button("▲"):
+                rm.navigate_up()
+            imgui.same_line()
+            if imgui.button("🏠"):
+                rm.navigate_to(rm.project_root / "Resources")
+            imgui.same_line()
+            if imgui.button("🔄"):
+                rm.force_refresh()
+            
+            # 自动刷新开关
+            imgui.same_line()
+            changed, rm.auto_refresh_enabled = imgui.checkbox("自动刷新", rm.auto_refresh_enabled)
+            if changed:
+                rm.set_auto_refresh(rm.auto_refresh_enabled)
+            
+            imgui.same_line()
+            imgui.text("  ")
+            imgui.same_line()
+            
+            # 路径输入框
+            changed, new_path = imgui.input_text("路径", str(rm.current_path), 256)
+            if changed:
+                try:
+                    rm.navigate_to(Path(new_path))
+                except:
+                    pass
+            
+            # 搜索框
+            changed, rm.search_filter = imgui.input_text("搜索", rm.search_filter, 256)
+            
+            imgui.separator()
+            
+            # 检查自动刷新
+            if rm.refresh_if_needed():
+                # 目录内容发生变化，可以在这里添加通知逻辑
+                pass
+            
+            # 获取目录内容
+            dirs, files = rm.get_directory_contents(rm.current_path)
+            
+            # 显示目录
+            for dir_path in dirs:
+                if not rm.should_show_file(dir_path):
+                    continue
+                    
+                # 目录图标和名称
+                icon = rm.get_file_icon(dir_path.name, is_folder=True)
+                node_open = False
+                
+                # 检查是否被选中
+                is_selected = dir_path in rm.selected_files
+                
+                # 使用TreeNode来显示目录
+                if is_selected:
+                    imgui.push_style_color(imgui.Col_.header, imgui.get_style().colors[imgui.Col_.header_hovered])
+                
+                node_open = imgui.tree_node(f"{icon} {dir_path.name}")
+                
+                if is_selected:
+                    imgui.pop_style_color()
+                
+                # 处理选择
+                if imgui.is_item_clicked():
+                    if imgui.get_io().key_ctrl:
+                        # 多选模式
+                        if is_selected:
+                            rm.selected_files.discard(dir_path)
+                        else:
+                            rm.selected_files.add(dir_path)
+                    else:
+                        # 单选模式
+                        rm.selected_files.clear()
+                        rm.selected_files.add(dir_path)
+                    rm.focused_file = dir_path
+                
+                # 双击导航
+                if imgui.is_item_hovered() and imgui.is_mouse_double_clicked(0):
+                    rm.navigate_to(dir_path)
+                
+                # 右键菜单
+                if imgui.is_item_hovered() and imgui.is_mouse_clicked(1):
+                    rm.show_context_menu = True
+                    rm.context_menu_file = dir_path
+                    rm.context_menu_position = (imgui.get_mouse_pos().x, imgui.get_mouse_pos().y)
+                
+                # 如果节点展开，显示子内容
+                if node_open:
+                    # 获取子目录内容
+                    subdirs, subfiles = rm.get_directory_contents(dir_path)
+                    
+                    # 显示子目录
+                    for subdir in subdirs:
+                        if not rm.should_show_file(subdir):
+                            continue
+                            
+                        subicon = rm.get_file_icon(subdir.name, is_folder=True)
+                        sub_is_selected = subdir in rm.selected_files
+                        
+                        if sub_is_selected:
+                            imgui.push_style_color(imgui.Col_.header, imgui.get_style().colors[imgui.Col_.header_hovered])
+                        
+                        sub_node_open = imgui.tree_node(f"  {subicon} {subdir.name}")
+                        
+                        if sub_is_selected:
+                            imgui.pop_style_color()
+                        
+                        # 处理子目录的选择
+                        if imgui.is_item_clicked():
+                            if imgui.get_io().key_ctrl:
+                                if sub_is_selected:
+                                    rm.selected_files.discard(subdir)
+                                else:
+                                    rm.selected_files.add(subdir)
+                            else:
+                                rm.selected_files.clear()
+                                rm.selected_files.add(subdir)
+                            rm.focused_file = subdir
+                        
+                        # 双击子目录导航
+                        if imgui.is_item_hovered() and imgui.is_mouse_double_clicked(0):
+                            rm.navigate_to(subdir)
+                        
+                        # 右键菜单
+                        if imgui.is_item_hovered() and imgui.is_mouse_clicked(1):
+                            rm.show_context_menu = True
+                            rm.context_menu_file = subdir
+                            rm.context_menu_position = (imgui.get_mouse_pos().x, imgui.get_mouse_pos().y)
+                        
+                        if sub_node_open:
+                            imgui.tree_pop()
+                    
+                    # 显示子文件
+                    for subfile in subfiles:
+                        if not rm.should_show_file(subfile):
+                            continue
+                            
+                        subicon = rm.get_file_icon(subfile.name)
+                        sub_is_selected = subfile in rm.selected_files
+                        
+                        selected = imgui.selectable(f"  {subicon} {subfile.name}", sub_is_selected)
+                        
+                        # 处理子文件的选择
+                        if selected:
+                            if imgui.get_io().key_ctrl:
+                                if sub_is_selected:
+                                    rm.selected_files.discard(subfile)
+                                else:
+                                    rm.selected_files.add(subfile)
+                            else:
+                                rm.selected_files.clear()
+                                rm.selected_files.add(subfile)
+                            rm.focused_file = subfile
+                        
+                        # 双击子文件操作
+                        if imgui.is_item_hovered() and imgui.is_mouse_double_clicked(0):
+                            if subfile.suffix.lower() in ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']:
+                                self.scene_manager.importModel(str(subfile))
+                                self.add_info_message(f"正在导入模型: {subfile.name}")
+                            else:
+                                rm.open_file(subfile)
+                        
+                        # 右键菜单
+                        if imgui.is_item_hovered() and imgui.is_mouse_clicked(1):
+                            rm.show_context_menu = True
+                            rm.context_menu_file = subfile
+                            rm.context_menu_position = (imgui.get_mouse_pos().x, imgui.get_mouse_pos().y)
+                    
+                    imgui.tree_pop()
+            
+            # 显示文件
+            for file_path in files:
+                if not rm.should_show_file(file_path):
+                    continue
+                    
+                # 文件图标和名称
+                icon = rm.get_file_icon(file_path.name)
+                file_size = rm.get_file_size_string(file_path)
+                
+                # 检查是否被选中
+                is_selected = file_path in rm.selected_files
+                
+                # 使用Selectable来显示文件
+                selected = imgui.selectable(f"{icon} {file_path.name}", is_selected)
+                
+                # 显示文件大小
+                if file_size:
+                    imgui.same_line()
+                    imgui.text_disabled(file_size)
+                
+                # 处理选择
+                if selected:
+                    if imgui.get_io().key_ctrl:
+                        # 多选模式
+                        if is_selected:
+                            rm.selected_files.discard(file_path)
+                        else:
+                            rm.selected_files.add(file_path)
+                    else:
+                        # 单选模式
+                        rm.selected_files.clear()
+                        rm.selected_files.add(file_path)
+                    rm.focused_file = file_path
+                
+                # 处理拖拽开始
+                if imgui.is_item_active() and imgui.is_item_hovered():
+                    if imgui.is_mouse_dragging(0):
+                        # 开始拖拽
+                        drag_files = list(rm.selected_files) if rm.selected_files else [file_path]
+                        rm.start_drag(drag_files)
+                        self.is_dragging = True
+                        self.show_drag_overlay = True
+                
+                # 双击打开文件
+                if imgui.is_item_hovered() and imgui.is_mouse_double_clicked(0):
+                    # 检查是否是支持的3D模型格式
+                    if file_path.suffix.lower() in ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']:
+                        # 导入3D模型
+                        self.add_info_message(f"正在导入模型: {file_path.name}")
+                        self.scene_manager.importModel(str(file_path))
+                    else:
+                        # 使用系统默认程序打开
+                        rm.open_file(file_path)
+                
+                # 右键菜单
+                if imgui.is_item_hovered() and imgui.is_mouse_clicked(1):
+                    rm.show_context_menu = True
+                    rm.context_menu_file = file_path
+                    rm.context_menu_position = (imgui.get_mouse_pos().x, imgui.get_mouse_pos().y)
+            
+            # 右键菜单
+            if rm.show_context_menu and rm.context_menu_file:
+                imgui.set_next_window_position(rm.context_menu_position[0], rm.context_menu_position[1])
+                with imgui_ctx.begin_popup("context_menu", imgui.WindowFlags_.no_title_bar | 
+                                           imgui.WindowFlags_.no_resize | imgui.WindowFlags_.always_auto_resize) as popup:
+                    if popup:
+                        if rm.context_menu_file.is_dir():
+                            if imgui.menu_item("打开"):
+                                rm.navigate_to(rm.context_menu_file)
+                            imgui.separator()
+                            if imgui.menu_item("重命名"):
+                                print(f"重命名文件夹: {rm.context_menu_file.name}")
+                            if imgui.menu_item("删除"):
+                                print(f"删除文件夹: {rm.context_menu_file.name}")
+                        else:
+                            if imgui.menu_item("打开"):
+                                rm.open_file(rm.context_menu_file)
+                            imgui.separator()
+                            if imgui.menu_item("导入到场景"):
+                                if rm.context_menu_file.suffix.lower() in ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']:
+                                    self.add_info_message(f"正在导入模型: {rm.context_menu_file.name}")
+                                    self.scene_manager.importModel(str(rm.context_menu_file))
+                            if imgui.menu_item("重命名"):
+                                print(f"重命名文件: {rm.context_menu_file.name}")
+                            if imgui.menu_item("删除"):
+                                print(f"删除文件: {rm.context_menu_file.name}")
+                        
+                        imgui.separator()
+                        if imgui.menu_item("复制路径"):
+                            imgui.set_clipboard_text(str(rm.context_menu_file))
+                            self.add_info_message("路径已复制到剪贴板")
+                        if imgui.menu_item("在文件管理器中显示"):
+                            import platform
+                            import subprocess
+                            if platform.system() == "Windows":
+                                subprocess.run(["explorer", "/select,", str(rm.context_menu_file)])
+                            elif platform.system() == "Darwin":
+                                subprocess.run(["open", "-R", str(rm.context_menu_file)])
+                            else:
+                                subprocess.run(["xdg-open", str(rm.context_menu_file.parent)])
+                        
+                        # 如果点击其他地方，关闭菜单
+                        if imgui.is_mouse_clicked(0) or imgui.is_mouse_clicked(1):
+                            if not imgui.is_window_hovered():
+                                rm.show_context_menu = False
+                                rm.context_menu_file = None
+    
     def _draw_property_panel(self):
         """绘制属性面板"""
         # 使用面板类型的窗口标志，支持docking
@@ -1984,6 +2298,12 @@ class MyWorld(CoreWorld):
     
     def _draw_drag_drop_interface(self):
         """绘制拖拽界面"""
+        # 检查资源管理器的拖拽状态
+        if self.resource_manager.is_dragging():
+            self.is_dragging = True
+            self.dragged_files = self.resource_manager.get_dragged_files()
+            self.show_drag_overlay = True
+        
         # 绘制拖拽覆盖层
         if self.show_drag_overlay:
             self._draw_drag_overlay()
@@ -1992,6 +2312,38 @@ class MyWorld(CoreWorld):
         if self.is_dragging and self.dragged_files:
             # 显示拖拽状态
             self._draw_drag_status()
+            
+            # 检查是否释放鼠标（结束拖拽）
+            if imgui.is_mouse_released(0):
+                self._handle_drag_drop_completion()
+    
+    def _handle_drag_drop_completion(self):
+        """处理拖拽完成"""
+        # 检查是否在3D视图中释放
+        mouse_pos = imgui.get_mouse_pos()
+        viewport = imgui.get_main_viewport()
+        
+        # 简单检查：如果不在任何ImGui窗口上，则认为是在3D视图中
+        if not imgui.is_any_window_hovered():
+            # 导入支持的3D模型文件
+            imported_count = 0
+            for file_path in self.dragged_files:
+                if file_path.suffix.lower() in ['.gltf', '.glb', '.fbx', '.bam', '.egg', '.obj']:
+                    try:
+                        self.scene_manager.importModel(str(file_path))
+                        self.add_success_message(f"成功导入模型: {file_path.name}")
+                        imported_count += 1
+                    except Exception as e:
+                        self.add_error_message(f"导入模型失败 {file_path.name}: {e}")
+            
+            if imported_count > 0:
+                self.add_success_message(f"共导入 {imported_count} 个模型")
+        
+        # 清除拖拽状态
+        self.is_dragging = False
+        self.dragged_files.clear()
+        self.show_drag_overlay = False
+        self.resource_manager.clear_drag()
     
     def _draw_drag_overlay(self):
         """绘制拖拽覆盖层"""

imgui.ini

@@ -1,5 +1,5 @@
 [Window][Debug##Default]
-Pos=60,60
+Pos=28,731
 Size=400,400
 Collapsed=0
 
@@ -31,7 +31,7 @@ DockId=0x00000007,0
 
 [Window][场景树]
 Pos=0,20
-Size=285,883
+Size=285,753
 Collapsed=0
 DockId=0x00000001,0
 
@@ -42,10 +42,10 @@ Collapsed=0
 DockId=0x00000005,0
 
 [Window][控制台]
-Pos=0,905
-Size=1524,111
+Pos=880,775
+Size=644,241
 Collapsed=0
-DockId=0x0000000A,0
+DockId=0x0000000C,0
 
 [Window][脚本管理]
 Pos=1526,520
@@ -98,15 +98,23 @@ Pos=625,258
 Size=600,500
 Collapsed=0
 
+[Window][资源管理器]
+Pos=0,775
+Size=878,241
+Collapsed=0
+DockId=0x0000000B,0
+
 [Docking][Data]
 DockSpace         ID=0x08BD597D Window=0x1BBC0F80 Pos=0,20 Size=1850,996 Split=X
   DockNode        ID=0x00000003 Parent=0x08BD597D SizeRef=1524,996 Split=Y
-    DockNode      ID=0x00000009 Parent=0x00000003 SizeRef=1380,883 Split=X
+    DockNode      ID=0x00000009 Parent=0x00000003 SizeRef=1380,753 Split=X
       DockNode    ID=0x00000001 Parent=0x00000009 SizeRef=285,730 HiddenTabBar=1 Selected=0xE0015051
       DockNode    ID=0x00000002 Parent=0x00000009 SizeRef=1237,730 Split=Y
         DockNode  ID=0x00000007 Parent=0x00000002 SizeRef=1380,32 HiddenTabBar=1 Selected=0x43A39006
-        DockNode  ID=0x00000008 Parent=0x00000002 SizeRef=1380,849 CentralNode=1 Selected=0x5E5F7166
-    DockNode      ID=0x0000000A Parent=0x00000003 SizeRef=1380,111 HiddenTabBar=1 Selected=0x5428E753
+        DockNode  ID=0x00000008 Parent=0x00000002 SizeRef=1380,719 CentralNode=1 Selected=0x5E5F7166
+    DockNode      ID=0x0000000A Parent=0x00000003 SizeRef=1380,241 Split=X Selected=0x5428E753
+      DockNode    ID=0x0000000B Parent=0x0000000A SizeRef=878,111 HiddenTabBar=1 Selected=0x3A2E05C3
+      DockNode    ID=0x0000000C Parent=0x0000000A SizeRef=644,111 HiddenTabBar=1 Selected=0x5428E753
   DockNode        ID=0x00000004 Parent=0x08BD597D SizeRef=324,996 Split=Y Selected=0x5DB6FF37
     DockNode      ID=0x00000005 Parent=0x00000004 SizeRef=304,498 HiddenTabBar=1 Selected=0x5DB6FF37
     DockNode      ID=0x00000006 Parent=0x00000004 SizeRef=304,496 HiddenTabBar=1 Selected=0x3188AB8D