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https://github.com/RGBCube/serenity
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ac6b3c989d
With this change, instead of applying scroll offsets during the recording of the painting command list, we do the following: 1. Collect all boxes with scrollable overflow into a PaintContext, each with an id and the total amount of scrolling offset accumulated from ancestor scrollable boxes. 2. During the recording phase assign a corresponding scroll_frame_id to each command that paints content within a scrollable box. 3. Before executing the recorded commands, translate each command that has a scroll_frame_id by the accumulated scroll offset. This approach has following advantages: - Implementing nested scrollables becomes much simpler, as the recording phase only requires the correct assignment of the nearest scrollable's scroll_frame_id, while the accumulated offset from ancestors is applied subsequently. - The recording of painting commands is not tied to a specific offset within scrollable boxes, which means in the future, it will be possible to update the scrolling offset and repaint without the need to re-record painting commands. |
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| .. | ||
| Layout | ||
| Ref | ||
| Text | ||
| WPT | ||
| CMakeLists.txt | ||
| rebaseline-libweb-test | ||
| TestConfig.ini | ||
| TestCSSIDSpeed.cpp | ||
| TestCSSPixels.cpp | ||
| TestHTMLTokenizer.cpp | ||
| TestMicrosyntax.cpp | ||
| TestMimeSniff.cpp | ||
| TestNumbers.cpp | ||
| tokenizer-test.html | ||