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Albrecht Schlosser fd5cd80935 Introduce "Modern CMake" in FLTK 
This is a big commit and there are too many changes to list them all.
The main changes are:

- rename all CMake build options to 'FLTK_*'
- export library targets with namespace (prefix) 'fltk::'
- standardize shared library target names with suffix '-shared'
- set public build properties on libraries for consumers
- document library names and aliases in README.CMake.txt
- document changes in "Migrating Code from FLTK 1.3 to 1.4"
- partial backwards compatibility for old user projects

Included but not directly related changes:

- fix Windows (Visual Studio) DLL build
- add CMake function fl_debug_target() to show target properties
- don't build test programs if FLTK is a subproject
- internal: reformat CMake code: remove space before '('

Thanks to Matthias and Manolo for their help, testing, and feeback.
 		2024-02-07 18:37:34 +01:00
..
build Introduce "Modern CMake" in FLTK 2024-02-07 18:37:34 +01:00
src Update libdecor to commit 7807ae34 dated 15-Jan-2024 2024-01-16 15:08:11 +01:00
LICENSE Add the Wayland platform to FLTK 1.4 2022-03-04 15:41:00 +01:00
README.md Add the Wayland platform to FLTK 1.4 2022-03-04 15:41:00 +01:00

README.md

libdecor - A client-side decorations library for Wayland client

libdecor is a library that can help Wayland clients draw window decorations for them. It aims to provide multiple backends that implements the decoration drawing.

Dependencies

Required:

  • meson >= 0.47
  • ninja
  • wayland-client >= 1.18
  • wayland-protocols >= 1.15
  • wayland-cursor
  • cairo
  • pangocairo

Recommended:

  • dbus-1 (to query current cursor theme)

Optional

  • egl (to build EGL example)
  • opengl
  • xkbcommon (to build cairo demo)

Install via apt: sudo apt install meson libwayland-dev wayland-protocols libpango1.0-dev libdbus-1-dev libegl-dev libopengl-dev libxkbcommon-dev

Install via dnf: sudo dnf install meson wayland-devel wayland-protocols-devel pango-devel dbus-devel mesa-libEGL-devel libglvnd-devel libxkbcommon-devel

Newer meson versions can be installed via pip: pip3 install -U meson.

Build & Install

Quick Start

To build and run the example program:

  1. meson build -Dinstall_demo=true && meson compile -C build
  2. meson devenv -C build libdecor-demo

Release Builds

The library and default plugins can be built and installed via:

  1. meson build --buildtype release
  2. meson install -C build

where build is the build directory that will be created during this process.

This will install by default to /usr/local/. To change this set the prefix during built, e.g. meson build --buildtype release -Dprefix=$HOME/.local/.

Plugins will be installed into the same directory and from thereon will be selected automatically depending on their precedence. This behaviour can be overridden at runtime by setting the environment variable LIBDECOR_PLUGIN_DIR and pointing it to a directory with a valid plugin.

Debug and Development Builds

During development and when debugging, it is recommended to enable the AddressSanitizer and increase the warning level:

  1. meson build -Dinstall_demo=true -Db_sanitize=address -Dwarning_level=3
  2. meson compile -C build

You may have to install libasan6 (apt) or libasan (dnf). Otherwise linking will fail.

By default libdecor will look for plugins in the target directory of the installation. Therefore, when running the demos directly from the build directory, no plugins will be found and the fallback plugin without any decorations will be used.

On Meson 0.58.0 and above, this can be corrected using devenv, i.e., to run the demo:

meson devenv -C build libdecor-demo

On older Meson versions, the search path for plugins can be overridden by the environment variable LIBDECOR_PLUGIN_DIR. To use the cairo plugin, point to the plugin directory:

export LIBDECOR_PLUGIN_DIR=build/src/plugins/cairo/

and run the demo:

./build/demo/libdecor-demo.

Code of Conduct

libdecor follows the Contributor Covenant, found at: https://www.freedesktop.org/wiki/CodeOfConduct

Please conduct yourself in a respectful and civilised manner when interacting with community members on mailing lists, IRC, or bug trackers. The community represents the project as a whole, and abusive or bullying behaviour is not tolerated by the project.