软件支持图片拖动和图片粘贴

@@ -3,5 +3,5 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.9 (GoogleNanoBananaApp) (2)" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (GoogleNanoBananaApp)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (Nano_Banana_App)" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file

@@ -12,8 +12,8 @@ from PySide6.QtWidgets import (
     QListWidget, QListWidgetItem, QTabWidget, QSplitter,
     QMenu, QProgressBar
 )
-from PySide6.QtCore import Qt, QThread, Signal, QSize, QTimer
-from PySide6.QtGui import QPixmap, QFont, QIcon, QDesktopServices, QAction, QImage
+from PySide6.QtCore import Qt, QThread, Signal, QSize, QTimer, QMimeData
+from PySide6.QtGui import QPixmap, QFont, QIcon, QDesktopServices, QAction, QImage, QDragEnterEvent, QDropEvent
 from PySide6.QtCore import QUrl
 
 import base64
@@ -109,6 +109,7 @@ def hash_password(password: str) -> str:
 
 class DatabaseManager:
     """数据库连接管理类"""
+
     def __init__(self, db_config):
         self.config = db_config
         self.logger = logging.getLogger(__name__)
@@ -317,7 +318,7 @@ class HistoryManager:
         # 保存参考图片
         reference_image_paths = []
         for i, ref_img_bytes in enumerate(reference_images):
-            ref_path = record_dir / f"reference_{i+1}.png"
+            ref_path = record_dir / f"reference_{i + 1}.png"
             with open(ref_path, 'wb') as f:
                 f.write(ref_img_bytes)
             reference_image_paths.append(ref_path)
@@ -830,6 +831,123 @@ class LoginDialog(QDialog):
         return getattr(self, 'current_password_hash', '')
 
 
+class DragDropScrollArea(QScrollArea):
+    """自定义支持拖拽的图像滚动区域"""
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setAcceptDrops(True)
+        self.parent_window = parent
+        self.setStyleSheet("""
+            QScrollArea {
+                border: 2px dashed #e5e5e5;
+                border-radius: 8px;
+                background-color: #fafafa;
+            }
+            QScrollArea:hover {
+                border-color: #007AFF;
+                background-color: #f0f8ff;
+            }
+        """)
+
+    def dragEnterEvent(self, event: QDragEnterEvent):
+        """拖拽进入事件处理"""
+        mime_data = event.mimeData()
+
+        # 检查是否包含文件URL
+        if mime_data.hasUrls():
+            urls = mime_data.urls()
+            for url in urls:
+                if url.isLocalFile():
+                    file_path = url.toLocalFile()
+                    if self.is_valid_image_file(file_path):
+                        event.acceptProposedAction()
+                        self.setStyleSheet("""
+                            QScrollArea {
+                                border: 2px dashed #007AFF;
+                                border-radius: 8px;
+                                background-color: #e6f3ff;
+                            }
+                        """)
+                        return
+
+        # 检查剪贴板图像
+        if mime_data.hasImage():
+            event.acceptProposedAction()
+            self.setStyleSheet("""
+                QScrollArea {
+                    border: 2px dashed #007AFF;
+                    border-radius: 8px;
+                    background-color: #e6f3ff;
+                }
+            """)
+            return
+
+        event.ignore()
+
+    def dragLeaveEvent(self, event):
+        """拖拽离开事件处理"""
+        self.setStyleSheet("""
+            QScrollArea {
+                border: 2px dashed #e5e5e5;
+                border-radius: 8px;
+                background-color: #fafafa;
+            }
+            QScrollArea:hover {
+                border-color: #007AFF;
+                background-color: #f0f8ff;
+            }
+        """)
+
+    def dropEvent(self, event: QDropEvent):
+        """拖拽放置事件处理"""
+        mime_data = event.mimeData()
+
+        # 重置样式
+        self.setStyleSheet("""
+            QScrollArea {
+                border: 2px dashed #e5e5e5;
+                border-radius: 8px;
+                background-color: #fafafa;
+            }
+            QScrollArea:hover {
+                border-color: #007AFF;
+                background-color: #f0f8ff;
+            }
+        """)
+
+        # 处理文件拖拽
+        if mime_data.hasUrls():
+            urls = mime_data.urls()
+            image_files = []
+
+            for url in urls:
+                if url.isLocalFile():
+                    file_path = url.toLocalFile()
+                    if self.is_valid_image_file(file_path):
+                        image_files.append(file_path)
+
+            if image_files:
+                self.parent_window.add_image_files(image_files)
+                event.acceptProposedAction()
+                return
+
+        # 处理剪贴板图像拖拽
+        if mime_data.hasImage():
+            image = mime_data.imageData()
+            if image and not image.isNull():
+                self.parent_window.add_clipboard_image(image)
+                event.acceptProposedAction()
+                return
+
+        event.ignore()
+
+    def is_valid_image_file(self, file_path: str) -> bool:
+        """检查文件是否为有效的图像文件"""
+        valid_extensions = {'.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'}
+        return Path(file_path).suffix.lower() in valid_extensions
+
+
 class ImageGeneratorWindow(QMainWindow):
     """Qt-based main application window"""
 
@@ -1013,7 +1131,8 @@ class ImageGeneratorWindow(QMainWindow):
                 print(f"Failed to load bundled config: {e}")
 
         if not self.api_key:
-            QMessageBox.warning(self, "警告", f"未找到API密钥\n配置文件位置: {config_path}\n\n请在应用中输入API密钥或手动编辑配置文件")
+            QMessageBox.warning(self, "警告",
+                                f"未找到API密钥\n配置文件位置: {config_path}\n\n请在应用中输入API密钥或手动编辑配置文件")
 
     def save_config(self, last_user=None):
         """Save configuration to file"""
@@ -1100,13 +1219,41 @@ class ImageGeneratorWindow(QMainWindow):
         upload_btn.clicked.connect(self.upload_images)
         upload_header.addWidget(upload_btn)
 
+        # Paste button
+        paste_btn = QPushButton("📋 粘贴图片")
+        paste_btn.clicked.connect(self.paste_from_clipboard)
+        paste_btn.setStyleSheet("""
+            QPushButton {
+                background-color: #f0f0f0;
+                border: 1px solid #d0d0d0;
+                padding: 8px 16px;
+                border-radius: 4px;
+                font-size: 12px;
+                min-width: 80px;
+            }
+            QPushButton:hover {
+                background-color: #e8e8e8;
+                border-color: #007AFF;
+            }
+            QPushButton:pressed {
+                background-color: #d0d0d0;
+            }
+        """)
+        upload_header.addWidget(paste_btn)
+
         self.image_count_label = QLabel("已选择 0 张")
         upload_header.addWidget(self.image_count_label)
         upload_header.addStretch()
         ref_layout.addLayout(upload_header)
 
-        # Image preview scroll area
-        self.img_scroll = QScrollArea()
+        # Drag and drop hint
+        hint_label = QLabel("💡 提示：可以直接拖拽图片到下方区域，或使用 Ctrl+V 粘贴截图")
+        hint_label.setStyleSheet("QLabel { color: #666666; font-size: 11px; margin: 2px 0; }")
+        hint_label.setWordWrap(True)
+        ref_layout.addWidget(hint_label)
+
+        # Image preview scroll area with drag-and-drop support
+        self.img_scroll = DragDropScrollArea(self)
         self.img_scroll.setWidgetResizable(True)
         self.img_scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
         self.img_scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
@@ -1299,7 +1446,8 @@ class ImageGeneratorWindow(QMainWindow):
 
         self.prompt_display = QLabel("请选择一个历史记录查看详情")
         self.prompt_display.setWordWrap(True)
-        self.prompt_display.setStyleSheet("QLabel { padding: 8px; background-color: #f9f9f9; border: 1px solid #ddd; border-radius: 4px; }")
+        self.prompt_display.setStyleSheet(
+            "QLabel { padding: 8px; background-color: #f9f9f9; border: 1px solid #ddd; border-radius: 4px; }")
         prompt_layout.addWidget(self.prompt_display)
 
         prompt_group.setLayout(prompt_layout)
@@ -1355,7 +1503,8 @@ class ImageGeneratorWindow(QMainWindow):
         self.generated_image_label.setAlignment(Qt.AlignCenter)
         self.generated_image_label.setMinimumSize(200, 200)  # Larger size for generated image
         self.generated_image_label.setMaximumSize(300, 300)
-        self.generated_image_label.setStyleSheet("QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
+        self.generated_image_label.setStyleSheet(
+            "QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
         self.generated_image_label.mouseDoubleClickEvent = self.open_generated_image_from_history
 
         gen_layout.addWidget(self.generated_image_label)
@@ -1445,6 +1594,121 @@ class ImageGeneratorWindow(QMainWindow):
             self.status_label.setText(f"● 已添加 {len(files)} 张参考图片")
             self.status_label.setStyleSheet("QLabel { color: #34C759; }")
 
+    def add_image_files(self, file_paths):
+        """添加图像文件到上传列表（用于拖拽功能）"""
+        if not file_paths:
+            return
+
+        added_count = 0
+        for file_path in file_paths:
+            try:
+                if self.validate_image_file(file_path):
+                    self.uploaded_images.append(file_path)
+                    added_count += 1
+                else:
+                    self.logger.warning(f"无效的图像文件: {file_path}")
+            except Exception as e:
+                self.logger.error(f"添加图片失败: {file_path}, 错误: {str(e)}")
+
+        if added_count > 0:
+            self.update_image_preview()
+            self.image_count_label.setText(f"已选择 {len(self.uploaded_images)} 张")
+            self.status_label.setText(f"● 已通过拖拽添加 {added_count} 张参考图片")
+            self.status_label.setStyleSheet("QLabel { color: #34C759; }")
+        else:
+            QMessageBox.warning(self, "警告", "没有找到有效的图片文件")
+
+    def add_clipboard_image(self, image):
+        """添加剪贴板图像（用于拖拽和粘贴功能）"""
+        try:
+            # 生成临时文件名
+            timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+            temp_dir = Path(tempfile.gettempdir()) / "nano_banana_app"
+            temp_dir.mkdir(exist_ok=True)
+
+            # 根据图像格式选择文件扩展名
+            file_extension = ".png"  # 默认使用PNG格式
+            if image.format() == QImage.Format_RGB32:
+                file_extension = ".bmp"
+            elif image.format() == QImage.Format_RGB888:
+                file_extension = ".jpg"
+
+            temp_file_path = temp_dir / f"clipboard_{timestamp}{file_extension}"
+
+            # 保存图像到临时文件
+            if image.save(str(temp_file_path)):
+                self.uploaded_images.append(str(temp_file_path))
+                self.update_image_preview()
+                self.image_count_label.setText(f"已选择 {len(self.uploaded_images)} 张")
+                self.status_label.setText("● 已添加剪贴板图片")
+                self.status_label.setStyleSheet("QLabel { color: #34C759; }")
+                self.logger.info(f"剪贴板图片已保存到: {temp_file_path}")
+            else:
+                QMessageBox.critical(self, "错误", "无法保存剪贴板图片")
+
+        except Exception as e:
+            self.logger.error(f"添加剪贴板图片失败: {str(e)}")
+            QMessageBox.critical(self, "错误", f"添加剪贴板图片失败: {str(e)}")
+
+    def paste_from_clipboard(self):
+        """从剪贴板粘贴图像"""
+        clipboard = QApplication.clipboard()
+
+        # 检查剪贴板中是否有图像
+        if clipboard.mimeData().hasImage():
+            image = clipboard.image()
+            if not image.isNull():
+                self.add_clipboard_image(image)
+            else:
+                QMessageBox.information(self, "信息", "剪贴板中没有有效的图片")
+        else:
+            QMessageBox.information(self, "信息", "剪贴板中没有图片，请先复制一张图片")
+
+    def validate_image_file(self, file_path: str) -> bool:
+        """验证图像文件"""
+        try:
+            # 检查文件是否存在
+            if not Path(file_path).exists():
+                return False
+
+            # 检查文件扩展名
+            valid_extensions = {'.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'}
+            if Path(file_path).suffix.lower() not in valid_extensions:
+                return False
+
+            # 尝试加载图像以验证文件完整性
+            pixmap = QPixmap(file_path)
+            if pixmap.isNull():
+                return False
+
+            # 检查文件大小（限制为10MB）
+            file_size = Path(file_path).stat().st_size
+            if file_size > 10 * 1024 * 1024:  # 10MB
+                QMessageBox.warning(self, "警告", f"图片文件过大: {file_path}\n请选择小于10MB的图片")
+                return False
+
+            return True
+
+        except Exception as e:
+            self.logger.error(f"图像文件验证失败: {file_path}, 错误: {str(e)}")
+            return False
+
+    def keyPressEvent(self, event):
+        """处理键盘事件"""
+        # Ctrl+V 粘贴
+        if event.key() == Qt.Key_V and event.modifiers() == Qt.ControlModifier:
+            self.paste_from_clipboard()
+            event.accept()
+            return
+
+        # Cmd+V 粘贴 (macOS)
+        elif event.key() == Qt.Key_V and event.modifiers() == Qt.MetaModifier:
+            self.paste_from_clipboard()
+            event.accept()
+            return
+
+        super().keyPressEvent(event)
+
     def update_image_preview(self):
         """Update image preview thumbnails"""
         # Clear existing previews
@@ -1707,7 +1971,6 @@ class ImageGeneratorWindow(QMainWindow):
             except Exception as e:
                 QMessageBox.critical(self, "错误", f"保存失败: {str(e)}")
 
-
     def refresh_history(self):
         """Refresh the history list"""
         self.history_list.clear()
@@ -1954,18 +2217,22 @@ class ImageGeneratorWindow(QMainWindow):
                         Qt.SmoothTransformation
                     )
                     self.generated_image_label.setPixmap(scaled_pixmap)
-                    self.generated_image_label.setStyleSheet("QLabel { border: 1px solid #ddd; background-color: white; }")
+                    self.generated_image_label.setStyleSheet(
+                        "QLabel { border: 1px solid #ddd; background-color: white; }")
                     self.current_generated_image_path = image_path
                 else:
                     self.generated_image_label.setText("图片加载失败")
-                    self.generated_image_label.setStyleSheet("QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
+                    self.generated_image_label.setStyleSheet(
+                        "QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
             except Exception as e:
                 print(f"Failed to load generated image {image_path}: {e}")
                 self.generated_image_label.setText("图片加载失败")
-                self.generated_image_label.setStyleSheet("QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
+                self.generated_image_label.setStyleSheet(
+                    "QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
         else:
             self.generated_image_label.setText("图片文件不存在")
-            self.generated_image_label.setStyleSheet("QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
+            self.generated_image_label.setStyleSheet(
+                "QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
 
     def clear_details_panel(self):
         """Clear the details panel"""
@@ -1986,7 +2253,8 @@ class ImageGeneratorWindow(QMainWindow):
 
         self.generated_image_label.setText("请选择一个历史记录查看生成图片")
         self.generated_image_label.setPixmap(QPixmap())
-        self.generated_image_label.setStyleSheet("QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
+        self.generated_image_label.setStyleSheet(
+            "QLabel { background-color: #f5f5f5; border: 1px solid #ddd; color: #999; }")
 
     def copy_prompt_text(self):
         """Copy the prompt text to clipboard"""
@@ -2027,7 +2295,8 @@ class ImageGeneratorWindow(QMainWindow):
 
 class ImageGenerationWorker(QThread):
     """Worker thread for image generation"""
-    finished = Signal(bytes, str, list, str, str, str)  # image_bytes, prompt, reference_images, aspect_ratio, image_size, model
+    finished = Signal(bytes, str, list, str, str,
+                      str)  # image_bytes, prompt, reference_images, aspect_ratio, image_size, model
     error = Signal(str)
     progress = Signal(str)