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Aliaksandr Kalenik 0bf82f748f LibWeb: Move clip rect calculation to happen before painting 
With this change, clip rectangles for boxes with hidden overflow or the
clip property are no longer calculated during the recording of painting
commands. Instead, it has moved to the "pre-paint" phase, along with
the assignment of scrolling offsets, and works in the following way:

1. The paintable tree is traversed to collect all paintable boxes that
   have hidden overflow or use the CSS clip property. For each of these
   boxes, the "final" clip rectangle is calculated by intersecting clip
   rectangles in the containing block chain for a box.
2. The paintable tree is traversed another time, and a clip rectangle
   is assigned for each paintable box contained by a node with hidden
   overflow or the clip property.

This way, clipping becomes much easier during the painting commands
recording phase, as it only concerns the use of already assigned clip
rectangles. The same approach is applied to handle scrolling offsets.

Also, clip rectangle calculation is now implemented more correctly, as
we no longer stop at the stacking context boundary while intersecting
clip rectangles in the containing block chain.

Fixes:
https://github.com/SerenityOS/serenity/issues/22932
https://github.com/SerenityOS/serenity/issues/22883
https://github.com/SerenityOS/serenity/issues/22679
https://github.com/SerenityOS/serenity/issues/22534
2024-01-28 08:25:28 +01:00
.devcontainer Meta: Switch to clang-format-16 as the standard formatter 2023-07-08 10:32:56 +01:00
.github CI: Bump actions/cache from 3 to 4 2024-01-22 09:02:37 -05:00
AK AK: Introduce EquivalentFunctionType 2024-01-27 21:40:25 -05:00
Base uptime: Add -s/--since option to output only when the system came online 2024-01-25 09:07:32 +01:00
Documentation Documentation: Expand package manager FAQ with pkg info 2024-01-06 05:01:35 -07:00
Kernel Kernel/riscv64: Stub out InterruptManagement::find_controllers 2024-01-23 13:13:18 -07:00
Ladybird Ladybird+LibWeb+WebContent: Port the did_request_cookie IPC to String 2024-01-26 20:22:39 +01:00
Meta LibWebView+WebContent: Do not manually serialize cookie sources over IPC 2024-01-26 20:22:39 +01:00
Ports Ports: Update zlib to 1.3.1 2024-01-23 18:31:00 +01:00
Tests LibWeb: Move clip rect calculation to happen before painting 2024-01-28 08:25:28 +01:00
Toolchain Kernel: Add initial basic support for KASAN 2023-12-30 13:57:10 +01:00
Userland LibWeb: Move clip rect calculation to happen before painting 2024-01-28 08:25:28 +01:00
.clang-format Meta: Support using clang-format on Objective-C++ files 2023-08-22 21:36:19 -04:00
.clang-tidy Meta: Disable misc-use-anonymous-namespace clang-tidy warning 2023-08-23 12:25:40 +01:00
.editorconfig Meta: Add .editorconfig 2022-09-10 17:32:55 +01:00
.gitattributes
.gitignore Meta: Move .DS_Store rule to the bottom of the .gitignore file 2023-11-14 14:53:37 -05:00
.gn Meta: Automatically generate a compilation database for clangd 2023-11-14 14:29:35 -05:00
.mailmap Everywhere: Update copyrights with my new serenityos.org e-mail :^) 2023-07-15 16:21:29 +02:00
.pre-commit-config.yaml
.prettierignore LibJS: Add DisposableStack{, Prototype, Constructor} 2023-01-23 09:56:50 +00:00
.prettierrc
.ycm_extra_conf.py Meta: Remove i686 references in YCM configuration 2022-12-28 11:53:41 +01:00
azure-pipelines.yml CI: Remove extraneous toolchain job from Azure CI 2022-12-28 15:26:12 -05:00
CMakeLists.txt Meta: Replace run.sh by run.py 2023-12-15 00:11:50 +01:00
CONTRIBUTING.md Meta: Add a note about resolving PR review comments 2023-10-18 13:32:13 +02:00
LICENSE Meta: Update the year range in LICENSE 2024-01-06 17:39:16 -05:00
README.md Meta: Add Dan Klishch to the contributors list :^) 2024-01-21 16:19:39 -07:00
SECURITY.md Meta: Add a security policy 2022-06-29 03:29:27 +00:00

README.md

SerenityOS

Graphical Unix-like operating system for x86-64 computers.

GitHub Actions Status Azure DevOps Status Fuzzing Status Sonar Cube Static Analysis Discord

FAQ | Documentation | Build Instructions

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

You can watch videos of the system being developed on YouTube:

Screenshot

Screenshot as of c03b788.png

Features

  • Modern x86 64-bit kernel with pre-emptive multi-threading
  • Browser with JavaScript, WebAssembly, and more (check the spec compliance for JS, CSS, and Wasm)
  • Security features (hardware protections, limited userland capabilities, W^X memory, pledge & unveil, (K)ASLR, OOM-resistance, web-content isolation, state-of-the-art TLS algorithms, ...)
  • System services (WindowServer, LoginServer, AudioServer, WebServer, RequestServer, CrashServer, ...) and modern IPC
  • Good POSIX compatibility (LibC, Shell, syscalls, signals, pseudoterminals, filesystem notifications, standard Unix utilities, ...)
  • POSIX-like virtual file systems (/proc, /dev, /sys, /tmp, ...) and ext2 file system
  • Network stack and applications with support for IPv4, TCP, UDP; DNS, HTTP, Gemini, IMAP, NTP
  • Profiling, debugging and other development tools (Kernel-supported profiling, detailed program analysis with software emulation in UserspaceEmulator, CrashReporter, interactive GUI playground, HexEditor, HackStudio IDE for C++ and more)
  • Libraries for everything from cryptography to OpenGL, audio, JavaScript, GUI, playing chess, ...
  • Support for many common and uncommon file formats (PNG, JPEG, GIF, MP3, WAV, FLAC, ZIP, TAR, PDF, QOI, Gemini, ...)
  • Unified style and design philosophy, flexible theming system, custom (bitmap and vector) fonts
  • Games (Solitaire, Minesweeper, 2048, chess, Conway's Game of Life, ...) and demos (CatDog, Starfield, Eyes, mandelbrot set, WidgetGallery, ...)
  • Every-day GUI programs and utilities (Spreadsheet with JavaScript, TextEditor, Terminal, PixelPaint, various multimedia viewers and players, Mail, Assistant, Calculator, ...)

... and all of the above are right in this repository, no extra dependencies, built from-scratch by us :^)

Additionally, there are over three hundred ports of popular open-source software, including games, compilers, Unix tools, multimedia apps and more.

How do I read the documentation?

Man pages are available online at man.serenityos.org. These pages are generated from the Markdown source files in Base/usr/share/man and updated automatically.

When running SerenityOS you can use man for the terminal interface, or help for the GUI.

Code-related documentation can be found in the documentation folder.

How do I build and run this?

See the SerenityOS build instructions. Serenity runs on Linux, macOS (aarch64 might be a challenge), Windows (with WSL2) and many other *Nixes with hardware or software virtualization.

Get in touch and participate!

Join our Discord server: SerenityOS Discord

Before opening an issue, please see the issue policy.

A general guide for contributing can be found in CONTRIBUTING.md.

Authors

And many more! See here for a full contributor list. The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.