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fltk/test/CMakeLists.txt
Albrecht Schlosser e9966b7e31
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CMake: add try_compile() to figure out if Pen/Tablet is supported 
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.
2026-01-29 17:43:21 +01:00

376 lines
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CMake
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#
# CMakeLists.txt used to build test and demo apps by the CMake build system
#
# Copyright 2004-2025 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# https://www.fltk.org/COPYING.php
#
# Please see the following page on how to report bugs and issues:
#
# https://www.fltk.org/bugs.php
#
#######################################################################
include(../CMake/FLTK-Functions.cmake)
include(../CMake/fl_create_example.cmake)
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/../bin/test)
set(TESTFILE_PATH ${CMAKE_CURRENT_BINARY_DIR}/../data)
# create data and binary directory to copy scripts and data files
file(MAKE_DIRECTORY ${EXECUTABLE_OUTPUT_PATH})
file(MAKE_DIRECTORY ${TESTFILE_PATH})
#######################################################################
#
# Define additional example programs for testing, for instance:
# set(extra_tests issue-276 str-1895)
# Use the source file test/'name'.cxx for each additional program.
# These test programs will be built with image and GL libraries. Leave
# 'extra_tests' empty (default) to disable extra test programs.
# Instead of adding the tests to the variable in the 'set' command you
# can also add it with `list(APPEND extra_tests test1 test2)` etc..
# See commented example at the end of this paragraph.
set(extra_tests)
# Uncomment the following statement to set the C++ standard for your
# extra test(s), or add more such lines, using "TEST_cxx_standard" as
# variable names (replace 'TEST' with your program name), and set the
# variable to one of { 14, 17, 20, 23 } for C++14, C++17, ... resp..
# The default is not to change the C++ standard, i.e. compile with
# C++11 or whatever the user chose to build the FLTK library.
# set(TEST_cxx_standard 20)
# Example code (do not uncomment these examples):
#------------------------------------------------
# set(extra_tests test1 test2 test3)
# set(test2_cxx_standard 17)
# set(test3_cxx_standard 20)
#------------------------------------------------
# This would build test1(.cxx) with default settings, test2 with C++17,
# and test3 with C++20.
#
#######################################################################
# audio libs for test apps
if(WIN32)
set(AUDIOLIBS winmm)
elseif(APPLE)
set(AUDIOLIBS "-framework CoreAudio")
elseif(HAVE_ALSA_ASOUNDLIB_H)
find_library(LIB_asound asound)
if(LIB_asound)
set(AUDIOLIBS ${LIB_asound})
endif(LIB_asound)
mark_as_advanced (LIB_asound)
endif(WIN32)
#######################################################################
# Define standard libraries for those OpenGL demos that can be built
# w/o OpenGL as well. These demos show an alternate GUI or a warning
# when built w/o OpenGL.
#
# For building with Visual Studio (MSVC) we also include the special
# object library 'call_main' when linking with the shared libraries.
# Setting the correct library variants as CMake variables may appear
# confusing but simplifies the build instructions below (makes them
# platform independent).
#
# Note that all CMake variables for libraries can be "CMake lists"
# and must therefore be quoted when used in fl_create_example().
#######################################################################
if(OPENGL_FOUND)
set(GLDEMO_LIBS fltk::gl)
if(MSVC)
set(GLDEMO_SHARED "call_main;fltk::fltk-shared")
else()
set(GLDEMO_SHARED fltk::gl-shared)
endif()
else()
# build w/o OpenGL libraries
set(GLDEMO_LIBS fltk::fltk)
if(MSVC)
set(GLDEMO_SHARED "call_main;fltk::fltk-shared")
else()
set(GLDEMO_SHARED "fltk::fltk-shared")
endif()
endif()
# set FLTK_SHARED and IMAGES_SHARED depending on the platform (MSVC or ...)
if(MSVC)
set(FLTK_SHARED "call_main;fltk::fltk-shared")
set(IMAGES_SHARED "${FLTK_SHARED}")
else()
set(FLTK_SHARED "fltk::fltk-shared")
set(IMAGES_SHARED "fltk::images-shared")
endif()
# similar for the 'forms' demo (shared lib not supported)
if(FLTK_BUILD_FORMS)
set(FORMS_LIBS fltk::forms)
else()
set(FORMS_LIBS fltk::fltk)
endif()
#######################################################################
fl_create_example(adjuster adjuster.cxx fltk::fltk)
fl_create_example(arc arc.cxx fltk::fltk)
fl_create_example(animated animated.cxx fltk::fltk)
fl_create_example(ask ask.cxx fltk::fltk)
fl_create_example(bitmap bitmap.cxx fltk::fltk)
fl_create_example(boxtype boxtype.cxx fltk::fltk)
fl_create_example(browser browser.cxx fltk::fltk)
fl_create_example(button button.cxx fltk::fltk)
fl_create_example(buttons buttons.cxx fltk::fltk)
# Cairo demo, built with and w/o Cairo (libcairo is linked implicitly - or not at all)
fl_create_example(cairo_test cairo_test.cxx fltk::fltk)
fl_create_example(clipboard clipboard.cxx fltk::images)
fl_create_example(clock clock.cxx fltk::fltk)
fl_create_example(colbrowser colbrowser.cxx fltk::fltk)
fl_create_example(color_chooser color_chooser.cxx fltk::fltk)
fl_create_example(contrast contrast.cxx fltk::fltk)
fl_create_example(coordinates coordinates.cxx fltk::fltk)
fl_create_example(cursor cursor.cxx fltk::fltk)
fl_create_example(curve curve.cxx fltk::fltk)
fl_create_example(demo demo.cxx fltk::fltk)
fl_create_example(device device.cxx fltk::images)
fl_create_example(doublebuffer doublebuffer.cxx fltk::fltk)
fl_create_example(editor "editor.cxx;editor.plist" fltk::fltk)
fl_create_example(fast_slow fast_slow.fl fltk::fltk)
fl_create_example(file_chooser file_chooser.cxx fltk::images)
fl_create_example(flex_demo flex_demo.cxx fltk::fltk)
fl_create_example(flex_login flex_login.cxx fltk::fltk)
fl_create_example(fltk-versions fltk-versions.cxx fltk::fltk)
fl_create_example(fonts fonts.cxx fltk::fltk)
fl_create_example(forms forms.cxx "${FORMS_LIBS}")
fl_create_example(fullscreen fullscreen.cxx "${GLDEMO_LIBS}")
fl_create_example(grid_alignment grid_alignment.cxx fltk::fltk)
fl_create_example(grid_buttons grid_buttons.cxx fltk::fltk)
fl_create_example(grid_dialog grid_dialog.cxx fltk::fltk)
fl_create_example(grid_login grid_login.cxx fltk::fltk)
fl_create_example(group group.cxx fltk::fltk)
fl_create_example(handle_events handle_events.cxx "${GLDEMO_LIBS}")
fl_create_example(handle_keys handle_keys.cxx fltk::fltk)
fl_create_example(hello hello.cxx fltk::fltk)
fl_create_example(help_dialog help_dialog.cxx fltk::images)
fl_create_example(icon icon.cxx fltk::fltk)
fl_create_example(iconize iconize.cxx fltk::fltk)
fl_create_example(image image.cxx fltk::fltk)
fl_create_example(inactive inactive.fl fltk::fltk)
fl_create_example(input input.cxx fltk::fltk)
fl_create_example(input_choice input_choice.cxx fltk::fltk)
fl_create_example(keyboard "keyboard.cxx;keyboard_ui.fl" fltk::fltk)
fl_create_example(label label.cxx fltk::fltk)
fl_create_example(line_style line_style.cxx fltk::fltk)
fl_create_example(line_style_docs line_style_docs.cxx fltk::fltk)
fl_create_example(list_visuals list_visuals.cxx fltk::fltk)
fl_create_example(mandelbrot "mandelbrot_ui.fl;mandelbrot.cxx" fltk::fltk)
fl_create_example(menubar menubar.cxx fltk::fltk)
fl_create_example(message message.cxx fltk::fltk)
fl_create_example(minimum minimum.cxx fltk::fltk)
fl_create_example(native-filechooser native-filechooser.cxx fltk::images)
fl_create_example(navigation navigation.cxx fltk::fltk)
fl_create_example(output output.cxx fltk::fltk)
fl_create_example(overlay overlay.cxx fltk::fltk)
fl_create_example(pack pack.cxx fltk::fltk)
if(FLTK_HAVE_PEN_SUPPORT)
fl_create_example(penpal penpal.cxx fltk::fltk)
endif()
fl_create_example(pixmap pixmap.cxx fltk::images)
fl_create_example(pixmap_browser pixmap_browser.cxx fltk::images)
fl_create_example(preferences preferences.fl fltk::fltk)
fl_create_example(offscreen offscreen.cxx fltk::fltk)
fl_create_example(radio radio.fl fltk::fltk)
fl_create_example(resize resize.fl fltk::fltk)
fl_create_example(resizebox resizebox.cxx fltk::fltk)
fl_create_example(resize-example1 "resize-example1.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example2 "resize-example2.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example3a "resize-example3a.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example3b "resize-example3b.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example3c "resize-example3c.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example4a "resize-example4a.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example4b "resize-example4b.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example5a "resize-example5a.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example5b "resize-example5b.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(resize-example5c "resize-example5c.cxx;resize-arrows.cxx" fltk::fltk)
fl_create_example(rotated_text rotated_text.cxx fltk::fltk)
fl_create_example(scroll scroll.cxx fltk::fltk)
fl_create_example(subwindow subwindow.cxx fltk::fltk)
fl_create_example(symbols symbols.cxx fltk::fltk)
fl_create_example(tabs tabs.fl fltk::fltk)
fl_create_example(table table.cxx fltk::fltk)
fl_create_example(terminal terminal.fl fltk::fltk)
fl_create_example(threads threads.cxx fltk::fltk)
fl_create_example(tile tile.cxx fltk::fltk)
fl_create_example(tiled_image tiled_image.cxx fltk::fltk)
fl_create_example(tree tree.fl fltk::fltk)
fl_create_example(twowin twowin.cxx fltk::fltk)
fl_create_example(utf8 utf8.cxx fltk::fltk)
fl_create_example(valuators valuators.fl fltk::fltk)
fl_create_example(windowfocus windowfocus.cxx fltk::fltk)
fl_create_example(wizard wizard.cxx fltk::fltk)
# games w/o shared libs
if(NOT FLTK_BUILD_SHARED_LIBS)
fl_create_example(blocks "blocks.cxx;blocks.plist;blocks.icns" "fltk::fltk;${AUDIOLIBS}")
fl_create_example(checkers "checkers.cxx;checkers.plist;checkers_pieces.fl;checkers.icns" fltk::images)
fl_create_example(sudoku "sudoku.cxx;sudoku.plist;sudoku.icns;sudoku.rc" "fltk::images;${AUDIOLIBS}")
endif()
# unittests uses multiple source files and can be built with or w/o OpenGL and "shared"
SET (UNITTEST_SRCS
unittests.cxx
unittests.h
unittest_about.cxx
unittest_points.cxx
unittest_core.cxx
unittest_complex_shapes.cxx
unittest_fast_shapes.cxx
unittest_circles.cxx
unittest_text.cxx
unittest_unicode.cxx
unittest_symbol.cxx
unittest_images.cxx
unittest_viewport.cxx
unittest_scrollbarsize.cxx
unittest_schemes.cxx
unittest_terminal.cxx
)
fl_create_example(unittests "${UNITTEST_SRCS}" "${GLDEMO_LIBS}")
# Additional test programs used by developers for testing (see above)
if(extra_tests)
foreach(name ${extra_tests})
fl_create_example(${name} ${name}.cxx "fltk::images;${GLDEMO_LIBS}")
if(DEFINED ${name}_cxx_standard)
set_target_properties(${name} PROPERTIES CXX_STANDARD ${${name}_cxx_standard})
endif()
endforeach()
endif()
# OpenGL demos. These programs can't be built w/o OpenGL
if(OPENGL_FOUND)
fl_create_example(CubeView "CubeMain.cxx;CubeView.cxx;CubeViewUI.fl" "${GLDEMO_LIBS}")
fl_create_example(cube cube.cxx "${GLDEMO_LIBS}")
fl_create_example(fractals "fractals.cxx;fracviewer.cxx" "${GLDEMO_LIBS}")
fl_create_example(glut_test glut_test.cxx "${GLDEMO_LIBS}")
if(NOT FLTK_BUILD_SHARED_LIBS)
fl_create_example(glpuzzle glpuzzle.cxx "${GLDEMO_LIBS}")
endif()
fl_create_example(gl_overlay gl_overlay.cxx "${GLDEMO_LIBS}")
fl_create_example(shape shape.cxx "${GLDEMO_LIBS}")
endif(OPENGL_FOUND)
# Test FLTK headers for variable shadowing [-Wshadow] (STR 2728)
#
# The following test program is added only for GNU or Clang compilers which
# are known to support the '-Wshadow' compiler flag. We could also implement
# a compile test but using GNU and Clang appears to be sufficient.
#
# Note 1: usage of `file(GLOB ...)` is discouraged by CMake documentation because
# it doesn't trigger rebuilding when new header files are added. However, this
# is better than nothing.
#
# Note 2: a better way to generate the header file might be with a custom command
# to be able to generate proper dependencies but this is left for later...
#
# Note 3: this test program is only included in CMake builds and was inspired
# by STR 2728: "Add test program to test for shadowed variables (-Wshadow)".
# Its sole purpose is to issue compilation warnings during build time if
# variables are shadowed in public headers.
set(_compilers GNU Clang AppleClang)
if(CMAKE_CXX_COMPILER_ID IN_LIST _compilers)
set(include_all "${CMAKE_CURRENT_BINARY_DIR}/include_all.h")
file(WRITE ${include_all} "/* DO NOT EDIT - this file is created by CMake */\n")
file(GLOB all_headers "${FLTK_SOURCE_DIR}/FL/*.[hH]")
foreach(hd ${all_headers})
get_filename_component(hd "${hd}" NAME)
# skip headers that must not be included directly and fl_config.h if it exists
string(REGEX MATCH "^(mac|win32|x11|wayland|fl_config|gl[a-z_0-9]*)\.[hH]$" skip "${hd}")
if(skip STREQUAL "")
file(APPEND ${include_all} "#include <FL/${hd}>\n")
endif()
endforeach()
if(FLTK_USE_GL)
file(GLOB all_headers "${FLTK_SOURCE_DIR}/FL/gl*.[hH]")
foreach(hd ${all_headers})
get_filename_component(hd "${hd}" NAME)
file(APPEND ${include_all} "#include <FL/${hd}>\n")
endforeach()
endif(FLTK_USE_GL)
file(APPEND ${include_all} "/* End of generated file */\n")
# now add the 'shadow_variables' target and set the compiler flag
fl_create_example(shadow_variables shadow_variables.cxx fltk::fltk)
set_target_properties(shadow_variables PROPERTIES COMPILE_FLAGS -Wshadow)
endif() # GNU or Clang (-Wshadow test)
unset(_compilers)
#########################################################################
# Build some of the demo programs linked against the shared FLTK lib(s)
#########################################################################
if(FLTK_BUILD_SHARED_LIBS)
fl_create_example(cairo_test-shared cairo_test.cxx "${FLTK_SHARED}")
fl_create_example(hello-shared hello.cxx "${FLTK_SHARED}")
fl_create_example(pixmap_browser-shared pixmap_browser.cxx "${IMAGES_SHARED}")
fl_create_example(unittests-shared "${UNITTEST_SRCS}" "${GLDEMO_SHARED}")
# Games
fl_create_example(blocks-shared "blocks.cxx;blocks.plist;blocks.icns" "${FLTK_SHARED};${AUDIOLIBS}")
fl_create_example(checkers-shared "checkers.cxx;checkers.plist;checkers_pieces.fl;checkers.icns" "${IMAGES_SHARED}")
fl_create_example(sudoku-shared "sudoku.cxx;sudoku.plist;sudoku.icns;sudoku.rc" "${IMAGES_SHARED};${AUDIOLIBS}")
# demo programs that can't be built w/o OpenGL
if(OPENGL_FOUND)
fl_create_example(glpuzzle-shared glpuzzle.cxx "${GLDEMO_SHARED}")
fl_create_example(shape-shared shape.cxx "${GLDEMO_SHARED}")
endif(OPENGL_FOUND)
endif(FLTK_BUILD_SHARED_LIBS)
#####################################################
# We need some support files for the demo programs
#####################################################
# copy the required test files
file(COPY
demo.menu rgb.txt browser.cxx editor.cxx valuators.fl
help_dialog.html
DESTINATION ${TESTFILE_PATH}
)
# copy the image directory for help_dialog.html
file(COPY
${CMAKE_CURRENT_SOURCE_DIR}/images
DESTINATION ${TESTFILE_PATH}
)
# The main test program 'demo' needs additional hints and configurations.
# Note: CMake defines "CMAKE_INTDIR" which is the build type folder (e.g. "Debug")
# for multi config builds (MSVC, Xcode)
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