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This test is specifically intended to disable Pen/Tablet support on
classic MinGW (32-bit) platforms that lack required symbol definitions
although Pen/Tablet support might be supported by the Windows system.
This test can be extended for other platforms, but for now it's
performed only on Windows.
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This option can be used to disable pen/tablet support if there are
build problems on a particular platform or build system (e.g. MinGW)
so users can continue to build FLTK 1.5.
Users can also choose to disable pen support if they don't need it.
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This removes the need to guess names of files each theme gives to cursor shapes
and makes linking with dbus superfluous when the compositor supports
the new protocol.
The old, surface-based approach to cursor shapes remains used for custom shapes.
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This is the first step in creating additional programs for saving
screenshots for documentation purposes. These screenshots must be
saved in the documentation/images directory and checked into the
Git repository.
These programs allow developers to create new screenshots or change
existing ones. More screenshots may be created by programs in the
/test/ folder.
To-do: add more *new* screenshot programs, and if useful, move some
existing programs from the `/test/` folder to `/screenshots/`,
such as `test/resize-example*.cxx` and maybe more.
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Thanks to @lanodan for most of the source code.
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- Do not change or remove the cache variable FLTK_BACKEND_WAYLAND:
this is an option set (and must only be changed) by the user.
- CMake/options.cmake: check Wayland availability if option
FLTK_BACKEND_WAYLAND is ON and set the result variable
FLTK_USE_WAYLAND accordingly.
- Replace FLTK_BACKEND_WAYLAND with FLTK_USE_WAYLAND everywhere
else, except as noted above: in options.cmake.
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The goal is to change the version number for a new release only in
CMakeLists.txt. This is the first step.
Details:
- CMake/gen_config.cmake: this new file is included to generate the
header files config.h (private, root directory), and FL/fl_config.h
(public, can be installed). This file implements also ABI version
checks (removed from FL/Enumerations.H and with more checks).
Warnings are issued if the chosen ABI version is invalid.
- CMake/export.cmake: code to generate 'config.h' was moved to
CMake/gen_config.cmake.
- CMake/options.cmake: set default of FLTK_BUILD_FORMS=OFF + comments
- CMakeLists.txt: move generation of FL/fl_config.h to gen_config.cmake,
add API and ABI versions to CMake summary,
- FL/Enumerations.H: remove most of the version number details which
are now included in FL/fl_config.h. This needed also some doxygen
related changes.
- README.CMake.txt: improve docs of FL_ABI_VERSION and some more.
Reflect the new default of CMake option FLTK_BUILD_FORMS (OFF).
- documentation/Doxyfile.in: add FL/fl_config.h to file list. This
file is created in the build tree (and may be "installed").
- fl_config.h.in: add version number details that have been moved here
from Enumerations.H (used to generate FL/fl_config.h).
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Up to FLTK 1.4 we had two distinct input files for each header file:
one for configure and one for CMake. Since 1.5 we have only one input
file for each header which can now have a more appropriate name.
1) configh.cmake.in -> config.h.in
2) fl_config.cmake.in -> fl_config.h.in
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- If shared libraries are built, then fluid, fltk-options, and the
"games" are linked against the shared FLTK libraries. On some
platforms the static and the shared versions of fluid and
fltk-options are built. The games are only built if
FLTK_BUILD_TEST is enabled.
- The CMake 'install' target now installs the games (if built)
and their man pages on all platforms (no matter if that is
useful, for instance on Windows).
- On macOS 'CMAKE_INSTALL_RPATH' is set so *installed* programs
automatically find their shared FLTK libraries. The "shared"
versions of fluid and fltk-options got their own '.plist' files.
This works for both the executables themselves as well as those
included in bundles. There may be more to do on the macOS platform.
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Debug only, if fl_debug_target() is used:
Prior to CMake 3.19 some properties of "INTERFACE_LIBRARY targets"
can't be read with get_property(). These properties are now
excluded if the CMake version is lower than 3.19.
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The former's been available since CMake v2.8 and documented since v3.17;
the latter was never documented and quietly went away in CMake v3.24.
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This option is no longer needed since FLTK 1.5 always requires C++11.
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This library is no longer needed and was "empty" for backwards
compatibility since FLTK 1.4.0.
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CMake/fl_add_library.cmake: set target_compile_features(.. cxx_std_NN)
which is inherited by consumers of the library.
This prevents CMake user projects from failing if they would
otherwise compile with an older C++ standard.
CMake/fl_debug_var.cmake: add INTERFACE_COMPILE_FEATURES to fl_debug_target()
CMake/fl_summary.cmake: update summary format for longer variable names
CMakeLists.txt:
- check CMAKE_CXX_STANDARD given by the user (commandline)
and set C++ standard related CMake variables in the CMake cache.
The latter is experimental: setting in the cache may be reverted.
- add C++ standard related info to configure summary.
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Temporarily done by setting the internal variable FLTK_USE_STD to 1.
This affects FL/fl_config.h where FLTK_USE_STD will always be 1.
Source code that checks this variable should be fixed soon.
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libXft was erroneously present in the link command when using Pango and Cairo.
This is fixed by disconnecting the GUI scaling code from use of Xft.
This commit also makes sure that when Wayland is used, pkg-config is available
on the build machine. This allows to remove from file CMake/options.cmake
code that was labelled with "FIXME".
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This fix is different than the proposed PR.
The PR will be closed and not merged.
Closes #1167.
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As discussed between Matthias, Albrecht and Manolo, the best procedure is
- use MAC_OS_X_VERSION_MAX_ALLOWED but not __MAC_OS_X_VERSION_MAX_ALLOWED;
- compile helper file CMake /macOSMaxAllowed.c to detect whether the SDK in use
is in version above a given threshold version number;
- based upon the result of this check, decide to weakly link or not a given framework.
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Sorry for the noise...
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CMake/macOSMaxAllowed.c:
avoid C compiler warning in test code
CMake/setup.cmake, technical changes:
- optimization: test SDK 15.0.0 first to avoid unnecessary test if true
- use a function instead of a macro
- use different names for (cached) result variables
- use prefix FLTK_ for cache variables
Note: the cache variables are marked 'internal': you may need to grep
CMakeCache.txt to view them.
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This change will work as well when cross-compiling.
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This commit suppresses a CMake warning if FLTK_MSVC_RUNTIME_DLL is
defined on the CMake commandline on platforms that don't use it.
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User @supsm reported that using LLVM/clang to compile together with
the MSVC linker should support the MSVC runtime DLL selection.
This commit enables the option on Windows except MinGW and MSYS
rather than MSVC only.
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... which is not a real macOS "Framework".
Note that users building and *installing* FLTK should either install in
a fresh directory or delete the entire 'FLTK.framework' tree if they
are reusing an existing install directory because it will not be
deleted by subsequent installs.
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- makesrcdist: store Git revision in a file in the tarball
- CMake/resources.cmake: get git revision either from Git or file and
store it as CMake cache variable 'FLTK_GIT_REVISION' for reference
- documentation/*: get git revision from git or file
- fluid/documentation/*: get git revision from git or file
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Part 1: replace the check for trunc() with check_symbol_exists().
Part 2 (to be done): replace all occurrences of the macro
check_function_exists() with check_symbol_exists() if possible.
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The attempted consistency check to remove FLTK's obsolete cache
variable OPENGL_GLU_INCLUDE_DIR which is used by CMake 3.29+ could
cause false positives, at least on macOS, as reported on issue #1046.
This modified code removes OPENGL_GLU_INCLUDE_DIR if it is defined
but FLTK_OPENGL_GLU_INCLUDE_DIR is not (yet) defined which indicates
the first configure execution with the new code.
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This commit consists of two parts:
1. CMake/resources.cmake: remove the old variable OPENGL_GLU_INCLUDE_DIR
from the CMake cache if possible, otherwise enforce a clean build.
2. src/CMakeLists.txt, CMake/options.cmake: use the new variable name
FLTK_OPENGL_GLU_INCLUDE_DIR.
For details please see GitHub Issue #1001.
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This allows FLTK apps to use the recent frameworks when they run on recent
macOS versions even if the minimum supported macOS version of these apps is more
ancient than the framework.
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The previous procedure using CGWindowListCreateImageFromArray()
is obsoleted in macOS 15.0 .
The new procedure requires an additional framework: ScreenCaptureKit;
FLTK uses it only for macOS ≥ 15.0
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- Remove find_library(LIB_GLEW ...) from 'resources.cmake'
- Use the variable FLTK_GLEW_DIR to "find" a user supplied GLEW library
for OpenGL3 example programs (examples/OpenGL3*.cxx).
Both static and shared libs (DLLs) are supported, but the static
library is preferred to avoid DLL dependencies.
- Define preprocessor macro 'GLEW_STATIC' by CMake compile definitions
if and only if the static glew library (glew32s) was found and linked.
The previous code defined 'GLEW_STATIC' unconditionally in the source
code which led to undefined references if a shared lib (DLL) was used.
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- don't use pkg-config to find Cairo if FLTK_CAIRO_DIR is set
- use FLTK_CAIRO_DIR to locate Cairo headers and DLL if it is set
- otherwise try to find Cairo with pkg-config anyway
This prevents accidentally "finding" the system Cairo libs provided
by MSYS - which would tie the FLTK library and user programs to MSYS,
i.e. it would make FLTK programs depend on the MSYS installation.
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... (add_library cannot create ALIAS target "fltk" because target
"fltk::fltk" is imported but not globally visible)
It turned out that this was due to a CMake feature that was changed in
CMake 3.18. This commit makes imported FLTK targets globally visible
for CMake versions less than 3.18.
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Todo: check "*LOCATION" properties ...
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This removes these warnings for each source file compiled
osxcross: warning: possibly dangerous include path specified: '-I /usr/include/freetype2'
osxcross: info: you can silence this warning via 'OSXCROSS_NO_INCLUDE_PATH_WARNINGS=1' (env)
when cross-compiling from Linux to macOS.
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This would create these warnings for each source file compiled
osxcross: warning: possibly dangerous include path specified: '-I /usr/include/freetype2'
osxcross: info: you can silence this warning via 'OSXCROSS_NO_INCLUDE_PATH_WARNINGS=1' (env)
when cross-compiling from Linux to macOS.
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This commit is only for CMake debugging.
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Visual Studio projects that link to the FLTK DLL (fltk::fltk-shared)
inherit the compile definition set by the DLL target and will be
compiled with "-D FL_DLL" as required w/o the user project having
to set this preprocessor macro explicitly.
Todo: documentation will follow...
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