优化OCR布局管理器，增加当前角度显示和清除选择功能，调整列数以提升用户交互体验

ocr_validator_layout.py

@@ -383,7 +383,7 @@ class OCRLayoutManager:
         # st.header("🖼️ 原图标注")
         
         # 图片控制选项
-        col1, col2, col3, col4 = st.columns(4, vertical_alignment="center", border= False)
+        col1, col2, col3, col4, col5 = st.columns(5, vertical_alignment="center", border= False)
 
         with col1:
             # 判断{layout_type}_show_all_boxes是否有值，如果有值直接使用，否则默认False
@@ -410,6 +410,11 @@ class OCRLayoutManager:
                 st.rerun()
                 
         with col3:
+            # 显示当前角度状态
+            current_angle = self.get_rotation_angle()
+            st.metric("当前角度", f"{current_angle}°", label_visibility="collapsed")
+
+        with col4:
             if st.button("↺ 重置角度", key=f"{layout_type}_reset_angle"):
                 self.rotated_angle = 0.0
                 st.success("已重置旋转角度")
@@ -418,10 +423,10 @@ class OCRLayoutManager:
                 self.validator.process_data()
                 st.rerun()
  
-        with col4:
-            # 显示当前角度状态
-            current_angle = self.get_rotation_angle()
-            st.metric("当前角度", f"{current_angle}°", label_visibility="collapsed")
+        with col5:
+            if st.button("🧹 清除选择"):
+                st.session_state.selected_text = None
+                st.rerun()
 
         # 使用增强的图像加载方法
         image = self.load_and_rotate_image(self.validator.image_path)
@@ -454,67 +459,6 @@ class OCRLayoutManager:
                     config=plot_config,
                     key=f"{layout_type}_plot"
                 )
-                # st.markdown('</div>', unsafe_allow_html=True)
-                
-                # # 显示选中文本的详细信息
-                # if st.session_state.selected_text and st.session_state.selected_text in self.validator.text_bbox_mapping:
-                #     st.subheader("📍 选中文本详情")
-                    
-                #     info = self.validator.text_bbox_mapping[st.session_state.selected_text][0]
-                #     bbox = info['bbox']
-                    
-                #     info_col1, info_col2 = st.columns(2)
-                #     with info_col1:
-                #         st.write(f"**文本内容:** {st.session_state.selected_text[:30]}...")
-                #         st.write(f"**类别:** {info['category']}")
-                #         # 显示旋转信息
-                #         rotation_angle = self.get_rotation_angle()
-                #         if rotation_angle != 0:
-                #             st.write(f"**旋转角度:** {rotation_angle}°")
-                
-                #     with info_col2:
-                #         st.write(f"**位置:** [{', '.join(map(str, bbox))}]")
-                #         if len(bbox) >= 4:
-                #             st.write(f"**大小:** {bbox[2] - bbox[0]} x {bbox[3] - bbox[1]} px")
-                
-                # # 错误标记功能
-                # col1, col2 = st.columns(2)
-                # with col1:
-                #     if st.button("❌ 标记为错误", key=f"{layout_type}_mark_error"):
-                #         st.session_state.marked_errors.add(st.session_state.selected_text)
-                #         st.rerun()
-                
-                # with col2:
-                #     if st.button("✅ 取消错误标记", key=f"{layout_type}_unmark_error"):
-                #         st.session_state.marked_errors.discard(st.session_state.selected_text)
-                #         st.rerun()
-                
-                # # 增强的调试信息
-                # with st.expander("🔍 图像和坐标调试信息", expanded=False):
-                #     rotation_angle = self.get_rotation_angle()
-                #     rotation_config = get_ocr_tool_rotation_config(self.validator.ocr_data, self.config)
-                    
-                #     col_debug1, col_debug2, col_debug3 = st.columns(3)
-                #     with col_debug1:
-                #         st.write("**图像信息:**")
-                #         st.write(f"原始尺寸: {image.width} x {image.height}")
-                #         st.write(f"缩放后尺寸: {resized_image.width} x {resized_image.height}")
-                #         st.write(f"当前角度: {rotation_angle}°")
-                        
-                #     with col_debug2:
-                #         st.write("**坐标信息:**")
-                #         if selected_bbox:
-                #             st.write(f"选中框: {selected_bbox}")
-                #         st.write(f"总框数: {len(all_boxes)}")
-                #         st.write(f"文本框数: {len(self.validator.text_bbox_mapping)}")
-                        
-                #     with col_debug3:
-                #         st.write("**配置信息:**")
-                #         st.write(f"工具类型: {rotation_config.get('coordinates_are_pre_rotated', 'unknown')}")
-                #         st.write(f"缓存状态: {len(self._rotated_image_cache)} 项")
-                #         if hasattr(self, 'rotated_angle'):
-                #             st.write(f"自动检测角度: {self.rotated_angle}°")
-                
                         
             except Exception as e:
                 st.error(f"❌ 图片处理失败: {e}")