CMake: add examples folder to build (optional)

- replace misnamed option 'OPTION_BUILD_EXAMPLES' with 'FLTK_BUILD_TEST'
- add option 'FLTK_BUILD_EXAMPLES' to build apps in examples folder
- move examples/fltk-versions.cxx to test/fltk-versions.cxx
- [Travis-CI] enable option 'FLTK_BUILD_EXAMPLES' for automatic builds
This commit is contained in:
Albrecht Schlosser
2020-08-13 20:32:56 +02:00
parent d91160a9e0
commit 3b9a04ae2e
8 changed files with 181 additions and 32 deletions

129
examples/CMakeLists.txt Normal file
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#
# CMakeLists.txt used to build example apps by the CMake build system
#
# Copyright 2020 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/fl_create_example.cmake)
set (EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/../bin/examples)
file (MAKE_DIRECTORY ${EXECUTABLE_OUTPUT_PATH})
################################################################################
# create separate lists of all source (.cxx) files
# depending on the required FLTK and system libraries
############################################################
# simple examples w/o extra libs
############################################################
set (SIMPLE_SOURCES
browser-simple
draggable-group
howto-add_fd-and-popen
howto-browser-with-icons
howto-drag-and-drop
howto-draw-an-x
howto-menu-with-images
howto-parse-args
howto-remap-numpad-keyboard-keys
howto-text-over-image-button
menubar-add
nativefilechooser-simple-app
nativefilechooser-simple
progress-simple
shapedwindow
simple-terminal
table-as-container
table-simple
table-sort
table-spreadsheet
table-spreadsheet-with-keyboard-nav
table-with-keynav
table-with-right-column-stretch-fit
tabs-simple
textdisplay-with-colors
texteditor-simple
texteditor-with-dynamic-colors
tree-as-container
tree-custom-draw-items
tree-custom-sort
tree-of-tables
tree-simple
wizard-simple
)
############################################################
# examples requiring fltk_images
############################################################
set (IMAGE_SOURCES
clipboard
howto-simple-svg
)
############################################################
# examples requiring OpenGL + libGLEW
############################################################
set (OPENGL_SOURCES
OpenGL3-glut-test
OpenGL3test
)
############################################################
# create simple example programs
############################################################
foreach (src ${SIMPLE_SOURCES})
CREATE_EXAMPLE (${src} ${src}.cxx fltk)
endforeach (src)
############################################################
# create example programs with fltk_images library
############################################################
foreach (src ${IMAGE_SOURCES})
CREATE_EXAMPLE (${src} ${src}.cxx "fltk_images;fltk")
endforeach (src)
############################################################
# create example programs with OpenGL + libGLEW
############################################################
# Note: macOS does not need libGLEW
if (APPLE AND (NOT OPTION_APPLE_X11) AND (NOT OPTION_APPLE_SDL))
if (NOT LIB_GLEW)
set (LIB_GLEW TRUE)
endif ()
set (REQUIRED_LIBS fltk_gl fltk ${OPENGL_LIBRARIES})
else ()
set (REQUIRED_LIBS fltk_gl fltk ${OPENGL_LIBRARIES} GLEW)
endif ()
if (OPENGL_FOUND AND LIB_GLEW)
foreach (src ${OPENGL_SOURCES})
CREATE_EXAMPLE (${src} ${src}.cxx "${REQUIRED_LIBS}")
endforeach (src)
else ()
message (STATUS
"OpenGL or libGLEW not present: OpenGL example programs will not be built.")
fl_debug_var (OPENGL_FOUND)
fl_debug_var (LIB_GLEW)
message ("")
endif (OPENGL_FOUND AND LIB_GLEW)
unset (REQUIRED_LIBS)

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//
// Library version test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2017 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 <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
#include <FL/fl_ask.H>
#include <stdio.h>
static char version[8][80] = { "","","","","","","","" };
int main(int argc, char **argv) {
int versions = 0;
sprintf(version[versions++],"FL_VERSION = %6.4f",FL_VERSION);
sprintf(version[versions++],"Fl::version() = %6.4f %s",Fl::version(),
(FL_VERSION == Fl::version()) ? "" : "***");
#ifdef FL_API_VERSION
sprintf(version[versions++],"FL_API_VERSION = %6d",FL_API_VERSION);
sprintf(version[versions++],"Fl::api_version() = %6d %s",Fl::api_version(),
(FL_API_VERSION == Fl::api_version()) ? "" : "***");
#endif
#ifdef FL_ABI_VERSION
sprintf(version[versions++],"FL_ABI_VERSION = %6d",FL_ABI_VERSION);
sprintf(version[versions++],"Fl::abi_version() = %6d %s",Fl::abi_version(),
(FL_ABI_VERSION == Fl::abi_version()) ? "" : "***");
#endif
for (int i=0; i<versions; i++) {
printf("%s\n",version[i]);
}
fflush(stdout);
#ifdef FL_ABI_VERSION
if (FL_ABI_VERSION != Fl::abi_version()) {
printf("*** FLTK ABI version mismatch: headers = %d, lib = %d ***\n",
FL_ABI_VERSION, Fl::abi_version());
fflush(stdout);
fl_message("*** FLTK ABI version mismatch: headers = %d, lib = %d ***",
FL_ABI_VERSION, Fl::abi_version());
// exit(1);
}
#endif
Fl_Window *window = new Fl_Window(670,300);
Fl_Box *box[8];
for (int i=0; i<4; i++) {
box[2*i] = new Fl_Box( 10,40+40*i,320,30,version[2*i]);
box[2*i+1] = new Fl_Box(340,40+40*i,320,30,version[2*i+1]);
}
for (int i=0; i<8; i++) {
box[i]->labelfont(FL_COURIER);
box[i]->align(FL_ALIGN_LEFT | FL_ALIGN_INSIDE);
}
window->end();
window->show(argc, argv);
return Fl::run();
}