[0120] 在 Mogan STEM 中实现 PDF 阅读功能#3351
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- 新增 is_pdf_tab_file() 工具函数，通过后缀检测 PDF 文件 - qt_tm_widget_rep 集成 QTPdfPreviewWidget，支持编辑器/启动页/PDF 三种模式切换 - Scheme 层新增 load-pdf-buffer，在 load-buffer-main/load-browse-buffer/load-document 入口拦截 PDF - File -> Open 对话框默认支持 *.pdf 文件 - PDF 渲染区域外背景使用 QPalette::Mid，与编辑器外围颜色一致 - 添加 C++ 单元测试：qt_pdf_tab_utils_test、qt_pdf_preview_widget_test - 打开过的 PDF 自动加入最近文档列表 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- 新增 PDFReaderWidget：基于 QScrollArea 的连续滚动 PDF 阅读器 - 支持方向键和鼠标滚轮上下滑动浏览 - 页面垂直排列，自适应窗口宽度重新渲染 - qt_tm_widget 改用 PDFReaderWidget，QTPdfPreviewWidget 保持原样 - 代码格式化 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
QTPdfPreviewWidget 保持原样，PDF 阅读功能由新新增的 PDFReaderWidget 提供。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- 重写 keyPressEvent，空格键向下滚动 90% 视口高度 - loadFromFile 末尾调用 adjustSize 确保布局即时更新 - 新增 qt_pdf_reader_widget_test 覆盖创建、加载和空格键滚动 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
将 preview-file 从 open-url 改为 load-pdf-buffer， 使预览 PDF 时在 Mogan 内部新标签页打开，而不是调用外部程序。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- 重写 keyPressEvent 处理回车复制和 Escape 取消选择 - 解决焦点在 PDFReaderWidget 上时键盘事件未被捕获的问题 - 添加单元测试验证回车复制和 Escape 取消行为 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- 将 tm-files.scm 中的 load-pdf-buffer 由 define 改为 tm-define， 使其可被 tm-print.scm 中的 preview-file 正常调用 - 格式化 Qt PDF 阅读器相关代码 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
矩形选框功能存在已知问题，计划在后续版本中重新实现。 本次提交先行移除相关代码以便合并主干。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
GatsbyUSTC
approved these changes
May 15, 2026
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Summary
在 Mogan STEM 中实现基础 PDF 阅读功能，使打开 PDF 文件时直接在应用内以标签页形式展示。
Changes
C++ 基础设施
is_pdf_tab_file()工具函数（通过后缀检测 PDF）PDFReaderWidget：基于QScrollArea的连续滚动 PDF 阅读器qt_tm_widget_rep集成PDFReaderWidget，支持编辑器/启动页/PDF 三种模式切换QTPdfPreviewWidget保持原样，继续用于模板预览Scheme 层
load-pdf-buffer函数，用原始 PDF 路径直接创建 bufferload-buffer-main、load-browse-buffer、load-document入口拦截 PDFUI
File -> Open对话框默认支持*.pdfQPalette::Mid，与编辑器外围颜色一致测试
qt_pdf_tab_utils_test：验证is_pdf_tab_file()后缀检测Test Plan
File -> Open打开 PDF，验证在标签页内打开🤖 Generated with Claude Code