[0169] PDF阅读器在占据屏幕一半的时候，自动Fit Width#3526
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- 新增 maybeAutoFitWidth()：当 widget 宽度不超过屏幕可用宽度一半时，自动调用 fitWidth() - 在 loadFromFile() 加载 PDF 后调用 maybeAutoFitWidth()，确保初始显示自动适应宽度 - 在 resize 防抖回调 onResizeDebounced() 中同样调用 maybeAutoFitWidth()，支持窗口从宽变窄时自动适应 - 引入 autoFitApplied_ 标志位，每个 PDF 加载周期内只自动触发一次，避免覆盖用户手动缩放 - 新增单元测试 test_autoFitWidth_whenNarrow 和 test_noAutoFitWidth_whenWide Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- maybeAutoFitWidth() 现在检测窗口是否真正贴靠到屏幕左/右边缘 - 排除最大化/全屏状态，避免手动缩小窗口误触发 - onResizeDebounced() 增加重置逻辑，离开半屏后可再次触发 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
fitWidth()loadFromFile()加载 PDF 后调用，确保初始显示自动适应宽度onResizeDebounced()中同样调用，支持窗口从宽变窄时自动适应autoFitApplied_标志位，每个 PDF 加载周期内只自动触发一次，避免覆盖用户手动缩放test_autoFitWidth_whenNarrow和test_noAutoFitWidth_whenWideTest plan
xmake b qt_pdf_reader_widget_test编译通过xmake r qt_pdf_reader_widget_test全部 41 个测试通过🤖 Generated with Claude Code