mirror of
https://github.com/glfw/glfw.git
synced 2024-11-14 06:23:50 +00:00
a0259b9426
If a window was created as maximized, or created as hidden and then
iconified or maximized before first being shown, that state was lost and
the window was shown as restored.
(cherry picked from commit 77819c0c54)
199 lines
9.2 KiB
Markdown
199 lines
9.2 KiB
Markdown
# GLFW
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[](https://github.com/glfw/glfw/actions)
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[](https://ci.appveyor.com/project/elmindreda/glfw)
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[](https://scan.coverity.com/projects/glfw-glfw)
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## Introduction
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GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan
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application development. It provides a simple, platform-independent API for
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creating windows, contexts and surfaces, reading input, handling events, etc.
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GLFW natively supports Windows, macOS and Linux and other Unix-like systems. On
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Linux both X11 and Wayland are supported.
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GLFW is licensed under the [zlib/libpng
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license](https://www.glfw.org/license.html).
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You can [download](https://www.glfw.org/download.html) the latest stable release
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as source or Windows binaries, or fetch the `latest` branch from GitHub. Each
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release starting with 3.0 also has a corresponding [annotated
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tag](https://github.com/glfw/glfw/releases) with source and binary archives.
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The [documentation](https://www.glfw.org/docs/latest/) is available online and is
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included in all source and binary archives. See the [release
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notes](https://www.glfw.org/docs/latest/news.html) for new features, caveats and
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deprecations in the latest release. For more details see the [version
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history](https://www.glfw.org/changelog.html).
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The `master` branch is the stable integration branch and _should_ always compile
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and run on all supported platforms, although details of newly added features may
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change until they have been included in a release. New features and many bug
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fixes live in [other branches](https://github.com/glfw/glfw/branches/all) until
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they are stable enough to merge.
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If you are new to GLFW, you may find the
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[tutorial](https://www.glfw.org/docs/latest/quick.html) for GLFW 3 useful. If
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you have used GLFW 2 in the past, there is a [transition
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guide](https://www.glfw.org/docs/latest/moving.html) for moving to the GLFW
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3 API.
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GLFW exists because of the contributions of [many people](CONTRIBUTORS.md)
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around the world, whether by reporting bugs, providing community support, adding
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features, reviewing or testing code, debugging, proofreading docs, suggesting
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features or fixing bugs.
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## Compiling GLFW
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GLFW itself requires only the headers and libraries for your OS and window
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system. It does not need the headers for any context creation API (WGL, GLX,
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EGL, NSGL, OSMesa) or rendering API (OpenGL, OpenGL ES, Vulkan) to enable
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support for them.
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GLFW supports compilation on Windows with Visual C++ 2010 and later, MinGW and
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MinGW-w64, on macOS with Clang and on Linux and other Unix-like systems with GCC
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and Clang. It will likely compile in other environments as well, but this is
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not regularly tested.
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There are [pre-compiled Windows binaries](https://www.glfw.org/download.html)
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available for all supported compilers.
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See the [compilation guide](https://www.glfw.org/docs/latest/compile.html) for
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more information about how to compile GLFW yourself.
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## Using GLFW
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See the [documentation](https://www.glfw.org/docs/latest/) for tutorials, guides
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and the API reference.
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## Contributing to GLFW
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See the [contribution
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guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
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more information.
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## System requirements
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GLFW supports Windows XP and later and macOS 10.8 and later. Linux and other
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Unix-like systems running the X Window System are supported even without
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a desktop environment or modern extensions, although some features require
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a running window or clipboard manager. The OSMesa backend requires Mesa 6.3.
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See the [compatibility guide](https://www.glfw.org/docs/latest/compat.html)
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in the documentation for more information.
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## Dependencies
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GLFW itself depends only on the headers and libraries for your window system.
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The (experimental) Wayland backend also depends on the `extra-cmake-modules`
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package, which is used to generate Wayland protocol headers.
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The examples and test programs depend on a number of tiny libraries. These are
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located in the `deps/` directory.
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- [getopt\_port](https://github.com/kimgr/getopt_port/) for examples
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with command-line options
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- [TinyCThread](https://github.com/tinycthread/tinycthread) for threaded
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examples
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- [glad2](https://github.com/Dav1dde/glad) for loading OpenGL and Vulkan
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functions
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- [linmath.h](https://github.com/datenwolf/linmath.h) for linear algebra in
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examples
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- [Nuklear](https://github.com/Immediate-Mode-UI/Nuklear) for test and example UI
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- [stb\_image\_write](https://github.com/nothings/stb) for writing images to disk
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The documentation is generated with [Doxygen](https://doxygen.org/) if CMake can
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find that tool.
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## Reporting bugs
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Bugs are reported to our [issue tracker](https://github.com/glfw/glfw/issues).
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Please check the [contribution
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guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
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information on what to include when reporting a bug.
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## Changelog
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- Added `GLFW_NATIVE_INCLUDE_NONE` for disabling inclusion of native headers (#1348)
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- Bugfix: `glfwMakeContextCurrent` would access TLS slot before initialization
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- Bugfix: `glfwSetGammaRamp` could emit `GLFW_INVALID_VALUE` before initialization
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- Bugfix: `glfwGetJoystickUserPointer` returned `NULL` during disconnection (#2092)
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- [Win32] Bugfix: `Alt+PrtSc` would emit `GLFW_KEY_UNKNOWN` and a different
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scancode than `PrtSc` (#1993)
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- [Win32] Bugfix: `GLFW_KEY_PAUSE` scancode from `glfwGetKeyScancode` did not
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match event scancode (#1993)
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- [Win32] Bugfix: Instance-local operations used executable instance (#469,#1296,#1395)
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- [Win32] Bugfix: The OSMesa library was not unloaded on termination
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- [Cocoa] Bugfix: A connected Apple AirPlay would emit a useless error (#1791)
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- [Cocoa] Bugfix: The EGL and OSMesa libraries were not unloaded on termination
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- [X11] Bugfix: The OSMesa libray was not unloaded on termination
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- [X11] Bugfix: A malformed response during selection transfer could cause a segfault
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- [X11] Bugfix: Some calls would reset Xlib to the default error handler (#2108)
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- [Wayland] Added support for file path drop events (#2040)
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- [Wayland] Added support for more human-readable monitor names where available
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- [Wayland] Removed support for the deprecated wl\_shell protocol
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- [Wayland] Bugfix: `glfwSetClipboardString` would fail if set to result of
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`glfwGetClipboardString`
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- [Wayland] Bugfix: Data source creation error would cause double free at termination
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- [Wayland] Bugfix: Partial writes of clipboard string would cause beginning to repeat
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- [Wayland] Bugfix: Some errors would cause clipboard string transfer to hang
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- [Wayland] Bugfix: Drag and drop data was misinterpreted as clipboard string
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- [Wayland] Bugfix: MIME type matching was not performed for clipboard string
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- [Wayland] Bugfix: The OSMesa library was not unloaded on termination
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- [Wayland] Bugfix: `glfwCreateWindow` could emit `GLFW_PLATFORM_ERROR`
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- [Wayland] Bugfix: Lock key modifier bits were only set when lock keys were pressed
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- [Wayland] Bugfix: A window leaving full screen mode would be iconified (#1995)
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- [Wayland] Bugfix: A window leaving full screen mode ignored its desired size
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- [Wayland] Bugfix: `glfwSetWindowMonitor` did not update windowed mode size
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- [Wayland] Bugfix: `glfwRestoreWindow` would make a full screen window windowed
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- [Wayland] Bugfix: A window maximized or restored by the user would enter an
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inconsistent state
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- [Wayland] Bugfix: Window maximization events were not emitted
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- [Wayland] Bugfix: `glfwRestoreWindow` assumed it was always in windowed mode
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- [Wayland] Bugfix: `glfwSetWindowSize` would resize a full screen window
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- [Wayland] Bugfix: A window content scale event would be emitted every time
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the window resized
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- [Wayland] Bugfix: If `glfwInit` failed it would close stdin
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- [Wayland] Bugfix: Manual resizing with fallback decorations behaved erratically
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(#1991,#2115,#2127)
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- [Wayland] Bugfix: Size limits included frame size for fallback decorations
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- [Wayland] Bugfix: Updating `GLFW_DECORATED` had no effect on server-side
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decorations
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- [Wayland] Bugfix: A monitor would be reported as connected again if its scale
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changed
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- [Wayland] Bugfix: `glfwTerminate` would segfault if any monitor had changed
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scale
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- [Wayland] Bugfix: Window content scale events were not emitted when monitor
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scale changed
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- [Wayland] Bugfix: `glfwSetWindowAspectRatio` reported an error instead of
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applying the specified ratio
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- [Wayland] Bugfix: `GLFW_MAXIMIZED` window hint had no effect
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- [Wayland] Bugfix: `glfwRestoreWindow` had no effect before first show
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## Contact
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On [glfw.org](https://www.glfw.org/) you can find the latest version of GLFW, as
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well as news, documentation and other information about the project.
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If you have questions related to the use of GLFW, we have a
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[forum](https://discourse.glfw.org/), and the `#glfw` IRC channel on
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[Libera.Chat](https://libera.chat/).
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If you have a bug to report, a patch to submit or a feature you'd like to
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request, please file it in the
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[issue tracker](https://github.com/glfw/glfw/issues) on GitHub.
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Finally, if you're interested in helping out with the development of GLFW or
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porting it to your favorite platform, join us on the forum, GitHub or IRC.
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