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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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+ build screenshot programs if option FLTK_BUILD_SCREENSHOTS=ON:
don't `EXCLUDE_FROM_ALL` because the option must be set anyway.
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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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The Doxygen-to-pdf toolchain can not easily generate
pdf's with Japanese and Chinese characters. This patch
generates code blocks by rendering them in FLTK.
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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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This minimal implementation works and enables basic (mostly default)
CPack support to build binary packages of FLTK (RPM, TGZ, NSIS, ...).
Users need the required tools like `rpmbuild` to build a particular
type of package or installer.
Using EPM or rpmbuild directly with a provided "list" file has
been discontinued: fltk.list.in (EPM) and fltk.spec.in (RPM) have
consequently been deleted.
README.CPack.txt: basic documentation
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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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This is the default. Users can still override this if they have
a valid certificate.
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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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Rationale:
1. Building in-source creates a lot of untracked files in the source
tree. We need to take care not to commit any of them, hence we
have to maintain .gitignore files in several directories.
2. Tests reveal that there are even files in git that are modified
in the source tree when building docs etc. which means e.g.
that builds can't be "repeated" after upgrading the sources, and
that those files could be committed by accident. To avoid this
we'd have to reorganize the build procedure and make it even more
complex rather than simplifying it.
3. With autoconf/configure/make we didn't have a choice, i.e. we had
to allow in-source builds with configure/Makefiles anyway. This
is no longer true since we removed configure/make support.
Note, todo: if this commit doesn't introduce unexpected issues, then
we can remove a lot of stuff from the .gitignore files, but this
is left for a later commit.
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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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... so the user can override all settings.
This may need more tweaks in the future.
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All mentions of Fl_String will be replaced with std::string
and the Fl_String implementation will be removed.
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To do: update CHANGES.txt with real info.
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This file enables consumers to search for a particular FLTK version.
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Wayland only: output either the libdecor location or "Bundled".
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- simplify and unify build option output
- alignment can be changed in only 2 macros in CMake/fl_summary.cmake
- output system library location of image libraries if applicable
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This is useful if FLTK is built as a subproject, for instance by
using FetchContent.
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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.
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This library is no longer needed in FLTK itself. There is only one
demo program (test/forms.cxx) that uses it if it is built. The demo
program displays a message if fltk_forms is not available.
The default is 'enabled' for backwards compatibility but this may
be changed to 'disabled' in a future version.
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This commit makes the default FLTK build setting use libdecor
as packaged in Linux when the build system contains packages
libdecor-0-dev and libdecor-0-plugin-1-gtk in version ≥ 0.2.0.
Otherwise, FLTK uses the bundled version of libdecor.
This includes situations where package libdecor-0-dev is
present in an earlier version.
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Remove code that checks CMake versions lower than 3.15
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- add CMake option 'OPTION_USE_STD'
- add configure option '--enable-use_std'
- move FL/Fl_String.H to src/Fl_String.H
- move FL/Fl_Int_Vector.H to src/Fl_Int_Vector.H
- remove Fl_String from demo program examples/callbacks.cxx
- remove Fl_Int_Vector from public header FL/Fl_Table.H
- some methods of Fl_Table are no longer inline
- add CMake option OPTION_USE_STD to allow std::string in some
selected functions and methods
Experimental, may be removed before release:
- use either Fl_Int_Vector or std::vector in Fl_Table depending
on CMake OPTION_USE_STD or configure --enable-use_std
Move all fl_filename* functions that use Fl_String to fluid
Main changes in fluid:
- add fluid_filename.h and .cxx
- include "fluid_filename.h" rather than <FL/filename.H>
Update fl_input(), fl_password() and test/ask
- add maxchar parameter to fl_input() and fl_password()
- fl_input_str() and fl_password_str() are optional and return
std::string if enabled (FLTK_USE_STD)
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Linking against OBJECT libraries as done in fluid since May 2023
and in shared library builds using MSVC even much earlier
requires at least CMake 3.12.
This commit adds the requirement explicitly to abort the build early.
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- remove separate libfltk_cairo to avoid cyclic dependencies, but
- keep a dummy libfltk_cairo in 1.4.0 for backwards compatibility
- move cairo/Fl_Cairo.cxx to src/Fl_Cairo.cxx
- add preliminary Cairo support for Visual Studio (MSVC)
Static linking is not affected by this change, but users building
with hand-made Makefiles will have to remove libfltk_cairo starting
with FLTK 1.4.0. The dummy library can be linked for backwards
compatibility but it will be removed later (in 1.4.x or 1.5.0).
The shared FLTK library libfltk.{so|dylib|dll|..} depends on libcairo
if and only if FLTK is built with one of the Cairo options. This has
always been the case for OPTION_CAIROEXT but is now also true if only
OPTION_CAIRO is selected, i.e. FLTK programs linked with a Cairo
enabled shared FLTK library will also be linked with libcairo. The same
is true for configure options --enable-cairo and --enable-cairoext,
respectively.
Preliminary Cairo support for MSVC now detects a Cairo installation
using the CMake variable FLTK_CAIRO_DIR which must be set by the user.
Note that this feature is temporary and may be changed in the future
for a better and more comfortable version.
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fl_debug_pkg(...) can be used to display CMake variables set by
executing pkg_check_modules(). This is for CMake debugging only.
The CMake configuration summary displays configuration options
of Wayland, Pango, Xft, and Cairo configuration.
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The CMake instructions would use the wrong image libs (png, jpeg, zlib)
if the fallback was active (OPTION_USE_SYSTEM_XXX) was true but the
header files were not present.
This had already been fixed for jpeg but not for the other two libs.
This commit rearranges the logic for all three libs.
Add information about builtin or system libraries to config summary.
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... as discussed in fltk.coredev: "FLTK 1.4.0 release schedule"
https://groups.google.com/g/fltkcoredev/c/PDbHTRpXVh0/m/JqboexZ_AwAJ
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... as discussed in fltk.coredev in thread "RFC: introduce public
config header <FL/fl_config.h>", see:
https://groups.google.com/g/fltkcoredev/c/xLCs1AIXMVo/m/MHZpQggzAQAJ
- Rename abi-version.h to fl_config.h, rename input files,
update dependencies, .gitignore, CMake, configure and Makefiles.
- Include Cairo options in FL/fl_config.h
- Rename FLTK_USE_CAIRO to FLTK_HAVE_CAIROEXT for consistency.
- Include <FL/fl_config.h> in config.h and wherever necessary,
fix include order (move FL/Fl.H to the top) and more.
- Move USE_X11 to fl_config.h and rename to FLTK_USE_X11
- Do not include <config.h> in Cairo demo program which is no
longer required in Cairo programs since FLTK 1.4.0
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CMake/compatibility.cmake: define functions and macros to be used
if a particular CMake functionality requires a higher CMake version
than FLTK's minimum CMake version, see 'cmake_minimum_required(...)'
in the root CMakeLists.txt.
Note: target_link_directories() is available since CMake 3.13
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- add missing dependencies to build the shared libfltk_cairo(.dylib)
- remove incorrect dependency on cairo from libfltk
- add cairo_test-shared demo (linked with shared libs)
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There are no functional changes to be expected, mostly formatting
and comments.
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Newer CMake versions warn if CMake policy CMP0072 is not set. We're
using "legacy mode" since we use FindOpenGL with `OPENGL_LIBRARIES`
and not (yet) the `OpenGL::GL` target.
See https://cmake.org/cmake/help/latest/policy/CMP0072.html
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