############################################
#                                          #
#  Improvements and feedbacks are welcome  #
#                                          #
#  This file is released under GPL >= 3    #
#                                          #
############################################


cmake_minimum_required( VERSION 3.5 )


#### general package setup

project( tqt3 )

set( PACKAGE ${PROJECT_NAME} )
set( PACKAGE_VERSION 3.5.0   )


#### include essential cmake modules

include( FindPkgConfig           )
include( CheckFunctionExists     )
include( CheckIncludeFile        )
include( CheckLibraryExists      )
include( CheckCSourceCompiles    )
include( CheckCXXSourceCompiles  )
include( GNUInstallDirs OPTIONAL )


#### include our cmake modules

include( TDEMacros )
include( TQtMacros.cmake )


##### set version number ########################

tde_set_project_version()


##### setup install paths

include( TDESetupPaths )
tde_setup_paths( )

if( CMAKE_INSTALL_LIBDIR )
    set( SYSTEM_LIBDIR "${CMAKE_INSTALL_LIBDIR}" )
else()
    set( SYSTEM_LIBDIR "lib${LIB_SUFFIX}" )
endif()

set( QT_INSTALL_PREFIX       "${CMAKE_INSTALL_PREFIX}"                      CACHE PATH "install path"           )
set( QT_INSTALL_BINS         "${QT_INSTALL_PREFIX}/bin"                     CACHE PATH "executables path (bin)" )
set( QT_INSTALL_LIBS         "${QT_INSTALL_PREFIX}/${SYSTEM_LIBDIR}"        CACHE PATH "libraries path (lib)"   )
set( QT_INSTALL_PLUGINS      "${QT_INSTALL_LIBS}/${PROJECT_NAME}/plugins"   CACHE PATH "plugins path"           )
set( QT_INSTALL_HEADERS      "${QT_INSTALL_PREFIX}/include/${PROJECT_NAME}" CACHE PATH "headers path"           )
set( QT_INSTALL_SHARE        "${QT_INSTALL_PREFIX}/share"                   CACHE PATH "data root path"         )
set( QT_INSTALL_DATA         "${QT_INSTALL_SHARE}/${PROJECT_NAME}"          CACHE PATH "data path"              )
set( QT_INSTALL_DOCS         "${QT_INSTALL_DATA}/doc"                       CACHE PATH "documentation path"     )
set( QT_INSTALL_TRANSLATIONS "${QT_INSTALL_DATA}/translations"              CACHE PATH "translations path"      )
set( QT_INSTALL_SYSCONF      "/etc/${PROJECT_NAME}"                         CACHE PATH "config path"            )


##### optional stuff

option( WITH_ALL_OPTIONS         "Enable all optional support"        ON )
option( WITH_GCC_VISIBILITY      "Enable fvisibility and fvisibility-inlines-hidden" ON )

option( WITH_STL                 "Enable c++ stl support"             ON ) # breaks ABI
option( WITH_IPV6                "Enable IPv6 support"                ${WITH_ALL_OPTIONS}  )
option( WITH_CUPS                "Enable cups support"                ${WITH_ALL_OPTIONS}  )
option( WITH_GLIBMAINLOOP        "Enable Glib support"                ${WITH_ALL_OPTIONS}  )
option( WITH_SOUND               "Enable sound support with Nas"      ${WITH_ALL_OPTIONS}  )


##### X11-related options

option( WITH_SM                  "Enable Session management support"  ${WITH_ALL_OPTIONS}  )
option( WITH_TABLET              "Enable tablet support"              ${WITH_ALL_OPTIONS}  )
option( WITH_XCURSOR             "Enable XCursor support"             ${WITH_ALL_OPTIONS}  )
option( WITH_XFT                 "Enable Xft support"                 ${WITH_ALL_OPTIONS}  )
option( WITH_XINERAMA            "Enable Xinerame support"            ${WITH_ALL_OPTIONS}  )
option( WITH_XKB                 "Enable X KeyBoard support"          ${WITH_ALL_OPTIONS}  )
option( WITH_XRANDR              "Enable Xrandr support"              ${WITH_ALL_OPTIONS}  )
option( WITH_XRENDER             "Enable XRender support"             ${WITH_ALL_OPTIONS}  )
option( WITH_XSHAPE              "Enable XShape support"              ${WITH_ALL_OPTIONS}  )
option( WITH_XSYNC               "Enable Xsync support"               ${WITH_ALL_OPTIONS}  )
option( WITH_IMMODULE_EXTENSIONS "Enable immodule extensions support" OFF ) # breaks ABI


##### user requested build

option( BUILD_ALL           "Build all"                        ON )
option( BUILD_LIB           "Build the tqt library itself"     ${BUILD_ALL} )
option( BUILD_TQMAKE        "Build the tqmake executable"      ${BUILD_ALL} )
option( BUILD_TMOC          "Build the tmoc executable"        ${BUILD_ALL} )
option( BUILD_TOOLS         "Build various other tools"        ${BUILD_ALL} )
option( BUILD_TUTORIAL      "Build the tutorials"              ${BUILD_ALL} )
option( BUILD_EXAMPLE       "Build the examples"               ${BUILD_ALL} )
option( BUILD_TRANSLATIONS  "Build translations"               ${BUILD_ALL} )


##### user requested tqt modules

option( WITH_MODULE_ALL         "Build all modules"             ON )
# Essential modules; build without them isn't viable at the moment
option( WITH_MODULE_STYLES      "Build the styles module"       ON )
option( WITH_MODULE_TOOLS       "Build the tools module"        ON )
option( WITH_MODULE_KERNEL      "Build the kernel module"       ON )
option( WITH_MODULE_WIDGETS     "Build the widgets module"      ON )
option( WITH_MODULE_DIALOGS     "Build the dialog module"       ON )
# Optional modules
option( WITH_MODULE_WORKSPACE   "Build the worspace module"     ${WITH_MODULE_ALL} )
option( WITH_MODULE_INPUTMETHOD "Build the inputmethode module" ${WITH_MODULE_ALL} )
option( WITH_MODULE_NETWORK     "Build the network module"      ${WITH_MODULE_ALL} )
option( WITH_MODULE_CANVAS      "Build the canvas module"       ${WITH_MODULE_ALL} )
option( WITH_MODULE_TABLE       "Build the table module"        ${WITH_MODULE_ALL} )
option( WITH_MODULE_XML         "Build the xml module"          ${WITH_MODULE_ALL} )
option( WITH_MODULE_OPENGL      "Build the OpenGL module"       ${WITH_MODULE_ALL} )
option( WITH_MODULE_SQL         "Build the SQL module"          ${WITH_MODULE_ALL} )


##### user requested image formats

option( BUILD_IMGFMT_PLUGIN_ALL  "Build all sql plugins"       OFF )
option( BUILD_IMGFMT_PLUGIN_MNG  "Build support for mng as a plugin"  ${BUILD_IMGFMT_PLUGIN_ALL} )
option( BUILD_IMGFMT_PLUGIN_JPEG "Build support for jpeg as a plugin" ${BUILD_IMGFMT_PLUGIN_ALL} )
option( BUILD_IMGFMT_PLUGIN_PNG  "Build support for png as a plugin"  ${BUILD_IMGFMT_PLUGIN_ALL} )
# NOTE: gif has no support of being built as a plugin due to it has no external dependencies and is
#       optional only due to historical legal reasons

option( WITH_IMGFMT_ALL  "Enable support for all image formats" ${WITH_ALL_OPTIONS} )
option( WITH_IMGFMT_MNG  "Enable support for mng images"        ${WITH_IMGFMT_ALL} )
option( WITH_IMGFMT_JPEG "Enable support for jpeg images"       ${WITH_IMGFMT_ALL} )
option( WITH_IMGFMT_PNG  "Enable support for png images"        ${WITH_IMGFMT_ALL} )
option( WITH_IMGFMT_GIF  "Enable support for gif images"        ON )


##### user requested styles

option( BUILD_STYLE_PLUGIN_ALL       "Build all styles as plugins"      OFF )
option( BUILD_STYLE_PLUGIN_MOTIF     "Build Motif style as plugin"      ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_WINDOWS   "Build Windows style as plugin"    ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_CDE       "Build CDE style as plugin"        ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_MOTIFPLUS "Build Motif plus style as plugin" ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_SGI       "Build SGI style as plugin"        ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_COMPACT   "Build compact style as plugin"    ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_PLATINUM  "Build platinium style as plugin"  ${BUILD_STYLE_PLUGIN_ALL} )
option( BUILD_STYLE_PLUGIN_INTERLACE "Build interlace style as plugin"  OFF )


option( WITH_STYLE_ALL       "Build all style"        ${WITH_ALL_OPTIONS} )
option( WITH_STYLE_MOTIF     "Build Motif style"      ${WITH_STYLE_ALL} )
option( WITH_STYLE_WINDOWS   "Build Windows style"    ${WITH_STYLE_ALL} )
## Depend upon WITH_MOTIF_STYLE
option( WITH_STYLE_CDE       "Build CDE style"        ${WITH_STYLE_ALL} )
option( WITH_STYLE_MOTIFPLUS "Build Motif plus style" ${WITH_STYLE_ALL} )
option( WITH_STYLE_SGI       "Build SGI style"        ${WITH_STYLE_ALL} )
## Depend upon WITH_WINDOWS_STYLE
option( WITH_STYLE_COMPACT   "Build compact style"    ${WITH_STYLE_ALL} )
option( WITH_STYLE_PLATINUM  "Build platinium style"  ${WITH_STYLE_ALL} )
option( WITH_STYLE_INTERLACE "Build interlace style"  OFF )

## NOTE: Interlace is OFF by default due to it being experimental

##### user requested sql modules

option( BUILD_SQL_PLUGIN_ALL     "Build all sql plugins"       OFF )
option( BUILD_SQL_PLUGIN_PSQL    "Build plugin for PostgreSQL" ${BUILD_SQL_PLUGIN_ALL} )
option( BUILD_SQL_PLUGIN_MYSQL   "Build plugin for MySQL"      ${BUILD_SQL_PLUGIN_ALL} )
option( BUILD_SQL_PLUGIN_ODBC    "Build plugin for ODBC"       ${BUILD_SQL_PLUGIN_ALL} )
option( BUILD_SQL_PLUGIN_IBASE   "Build plugin for Firebird"   ${BUILD_SQL_PLUGIN_ALL} )
#option( BUILD_SQL_PLUGIN_SQLITE  "Build plugin for SQLite"     ${BUILD_SQL_PLUGIN_ALL} )
option( BUILD_SQL_PLUGIN_SQLITE3 "Build plugin for SQLite3"    ${BUILD_SQL_PLUGIN_ALL} )


option( WITH_SQL_DRIVER_ALL      "Build all sql drivers"        ${WITH_ALL_OPTIONS} )
option( WITH_SQL_DRIVER_PSQL     "Build support for PostgreSQL" ${WITH_SQL_DRIVER_ALL} )
option( WITH_SQL_DRIVER_MYSQL    "Build support for MySQL"      ${WITH_SQL_DRIVER_ALL} )
option( WITH_SQL_DRIVER_ODBC     "Build support for ODBC"       ${WITH_SQL_DRIVER_ALL} )
option( WITH_SQL_DRIVER_IBASE    "Build support for Firebird"   ${WITH_SQL_DRIVER_ALL} )
#option( WITH_SQL_DRIVER_SQLITE   "Build support for SQLite"     ${WITH_SQL_DRIVER_ALL} )
option( WITH_SQL_DRIVER_SQLITE3  "Build support for SQLite3"    ${WITH_SQL_DRIVER_ALL} )


##### tutorials

option( BUILD_TUTORIAL_ALL "Build all tutorials" ${BUILD_TUTORIAL}     )
option( BUILD_TUTORIAL_1   "Build tutorial t1"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_2   "Build tutorial t2"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_3   "Build tutorial t3"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_4   "Build tutorial t4"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_5   "Build tutorial t5"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_6   "Build tutorial t6"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_7   "Build tutorial t7"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_8   "Build tutorial t8"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_9   "Build tutorial t9"   ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_10  "Build tutorial t10"  ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_11  "Build tutorial t11"  ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_12  "Build tutorial t12"  ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_13  "Build tutorial t13"  ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_14  "Build tutorial t14"  ${BUILD_TUTORIAL_ALL} )
option( BUILD_TUTORIAL_15  "Build tutorial t15"  ${BUILD_TUTORIAL_ALL} )


###### examples

option( BUILD_EXAMPLE_ALL          "Build the examples"         ${BUILD_EXAMPLE}     )
option( BUILD_EXAMPLE_ACLOCK       "Build example aclock"       ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_ACTION       "Build example action"       ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_ADDRESSBOOK  "Build example addressbook"  ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_APPLICATION  "Build example application"  ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_BIFF         "Build example biff"         ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_BUTTONGROUPS "Build example buttongroups" ${BUILD_EXAMPLE_ALL} )
#option( BUILD_EXAMPLE_CANVAS       "Build example canvas"       ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_CHECKLISTS   "Build example checklists"   ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_CURSOR       "Build example cursor"       ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_CUSTOMLAYOUT "Build example customlayout" ${BUILD_EXAMPLE_ALL} )
option( BUILD_EXAMPLE_DCLOCK       "Build example dclock"       ${BUILD_EXAMPLE_ALL} )
#option( BUILD_EXAMPLE_DEMO         "Build example demo"         ${BUILD_EXAMPLE_ALL} )


##### Advanced options

set( TQT_CONFIG "full" CACHE STRING
    "Predefined set of tqt interanl options, one of: minimal|small|medium|large|full" )
set( WITH_UNSUPORTED_CONFIG OFF CACHE BOOL "Build TQt regardles some unsupported option configuration" )
mark_as_advanced( TQT_CONFIG WITH_UNSUPORTED_CONFIG )

set( TQT_PLATFORM "local" CACHE STRING "Use qplatformdefs.h from \"mkspec/\${TQT_PLATFORM}\"" )

# NOTE: a special TQT_PLATFORM=value of "local" will cause generation of a `qplatformdefs.h` based
#       on current cmake build settings. If the generated file is not fit for your platform, please
#       fill in a bug. You may still workaround it specifying concrete TQT_PLATFORM value.

##### configure checks

include( ConfigureChecks.cmake )
include( config.tests/unix/endian/ConfigureChecks.cmake )       # test: little/big endian
include( config.tests/unix/largefile/ConfigureChecks.cmake )    # test: large files
include( config.tests/unix/stl/ConfigureChecks.cmake )          # test: stl supported
include( config.tests/unix/ipv6/ConfigureChecks.cmake )         # test: IPv6 network


###### global compiler settings

set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TQT_CXX_FLAGS}" )
set( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" )
set( CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined" )


##### directories

add_subdirectory( src )
tde_conditional_add_subdirectory( BUILD_TQMAKE       qmake        )
tde_conditional_add_subdirectory( BUILD_TMOC         src/moc      )
tde_conditional_add_subdirectory( BUILD_TOOLS        tools        )
tde_conditional_add_subdirectory( BUILD_TUTORIAL     tutorial     )
tde_conditional_add_subdirectory( BUILD_EXAMPLE      examples     )
tde_conditional_add_subdirectory( BUILD_TRANSLATIONS translations )

if( TQT_PLATFORM STREQUAL "local" )
    add_subdirectory( mkspecs/local )
endif()


##### write configure files

configure_file( src/tools/qconfig.cpp.cmake src/tools/qconfig.cpp @ONLY )
configure_file( include/ntqconfig.h.cmake   include/ntqconfig.h   @ONLY )
configure_file( include/ntqmodules.h.cmake  include/ntqmodules.h  @ONLY )


##### install mkspecs

if( BUILD_TQMAKE )
    install(
        DIRECTORY ${CMAKE_SOURCE_DIR}/mkspecs
        DESTINATION "${QT_INSTALL_DATA}"
        PATTERN "mkspecs/local/*" EXCLUDE
    )
    tde_install_symlink( "${TQT_PLATFORM}" "${QT_INSTALL_DATA}/mkspecs/default" )
endif( BUILD_TQMAKE )