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Add information about Wayland support by FLTK on the RaspberryPi

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ManoloFLTK 2022-12-13 15:22:24 +01:00
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README.Wayland.txt
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@ -29,8 +29,8 @@ Version 1.4 of the FLTK library introduces support of the public FLTK API on
the Wayland platform. It requires a Wayland-equipped OS, namely Linux or FreeBSD. the Wayland platform. It requires a Wayland-equipped OS, namely Linux or FreeBSD.
Pre-existing platform-independent source code for FLTK 1.3.x should build and Pre-existing platform-independent source code for FLTK 1.3.x should build and
run unchanged with FLTK 1.4 and the Wayland platform. run unchanged with FLTK 1.4 and the Wayland platform.
The code has been tested on Debian, Ubuntu and Fedora with 3 distinct Wayland The code has been tested on Debian, Ubuntu, RaspberryPiOS and Fedora with
compositors: mutter (Gnome's compositor), weston, and KDE. 3 distinct Wayland compositors: mutter (Gnome's compositor), weston, and KDE.
The code has also been tested under FreeBSD and the sway wayland compositor. The code has also been tested under FreeBSD and the sway wayland compositor.
CJK text-input methods, as well as dead and compose keys are supported. CJK text-input methods, as well as dead and compose keys are supported.
@ -105,6 +105,9 @@ tested in that situation.
* Text input methods have been tested without any understanding of the writing systems, * Text input methods have been tested without any understanding of the writing systems,
so feedback on this subject would be helpful. so feedback on this subject would be helpful.
* Using OpenGL inside Wayland windows doesn't seem to work on RaspberryPi hardware,
although it works inside X11 windows on the same hardware.
3 Preparing Platform Specific Code for the Wayland Platform 3 Preparing Platform Specific Code for the Wayland Platform
=========================================================== ===========================================================
@ -170,8 +173,8 @@ should run with a Wayland-enabled, FLTK 1.4 library with that single change only
The following are notes about building FLTK for the Wayland platform The following are notes about building FLTK for the Wayland platform
on the various supported Linux distributions/OS. on the various supported Linux distributions/OS.
4.1 Debian and Derivatives (like Ubuntu) 4.1 Debian and Derivatives (like Ubuntu, RaspberryPiOS)
---------------------------------------- -------------------------------------------------------
Under Debian, the Wayland platform requires version 11 (a.k.a. Bullseye) or more recent. Under Debian, the Wayland platform requires version 11 (a.k.a. Bullseye) or more recent.
Under Ubuntu, the Wayland platform is known to work with version 20.04 (focal fossa) or Under Ubuntu, the Wayland platform is known to work with version 20.04 (focal fossa) or