substitution for KDE4_ADD_APP_ICON cmake macro

David Faure faure at kde.org
Sun Dec 29 13:58:33 UTC 2013


On Friday 20 December 2013 14:59:45 Michal Humpula wrote:
> Hi there,
> 
> I was wondering if there is a recommended migration path from
> KDE4_ADD_APP_ICON cmake makro.

This stuff is indeed missing on http://techbase.kde.org/Development/ECM_SourceIncompatChanges
....

Moving the discussion to kde-buildsystem.

Looking at the kde4 code (below) I see that this is Windows and Mac specific,
and does nothing on Unix.
No idea if cmake has something like this, or should get that, or this should go into ECM?




# adds application icon to target source list
# for detailed documentation see the top of FindKDE4Internal.cmake
macro (KDE4_ADD_APP_ICON appsources pattern)
    set (_outfilename ${CMAKE_CURRENT_BINARY_DIR}/${appsources})

    if (WIN32)
        if(NOT WINCE)
        find_program(PNG2ICO_EXECUTABLE NAMES png2ico)
        else(NOT WINCE)
        find_program(PNG2ICO_EXECUTABLE NAMES png2ico PATHS ${HOST_BINDIR} NO_DEFAULT_PATH )
        endif(NOT WINCE)
        if (PNG2ICO_EXECUTABLE)
            string(REPLACE "*" "(.*)" pattern_rx "${pattern}")
            file(GLOB files  "${pattern}")
            foreach (it ${files})
                string(REGEX REPLACE "${pattern_rx}" "\\1" fn "${it}")
                if (fn MATCHES ".*16.*" )
                    list (APPEND _icons ${it})
                endif (fn MATCHES ".*16.*")
                if (fn MATCHES ".*32.*" )
                    list (APPEND _icons ${it})
                endif (fn MATCHES ".*32.*")
                if (fn MATCHES ".*48.*" )
                    list (APPEND _icons ${it})
                endif (fn MATCHES ".*48.*")
                if (fn MATCHES ".*64.*" )
                    list (APPEND _icons ${it})
                endif (fn MATCHES ".*64.*")
                if (fn MATCHES ".*128.*" )
                    list (APPEND _icons ${it})
                endif (fn MATCHES ".*128.*")
            endforeach (it)
            if (_icons)
                add_custom_command(OUTPUT ${_outfilename}.ico ${_outfilename}.rc
                                   COMMAND ${PNG2ICO_EXECUTABLE} ARGS --rcfile ${_outfilename}.rc ${_outfilename}.ico ${_icons}
                                   DEPENDS ${PNG2ICO_EXECUTABLE} ${_icons}
                                   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
                                  )
                    list(APPEND ${appsources} ${_outfilename}.rc)
            else(_icons)
                message(STATUS "Unable to find a related icon that matches pattern ${pattern} for variable ${appsources} - application will not have an application icon!")
            endif(_icons)
        else(PNG2ICO_EXECUTABLE)
            message(STATUS "Unable to find the png2ico utility - application will not have an application icon!")
        endif(PNG2ICO_EXECUTABLE)
    endif(WIN32)
    if (APPLE)
        # first convert image to a tiff using the Mac OS X "sips" utility,
        # then use tiff2icns to convert to an icon
        find_program(SIPS_EXECUTABLE NAMES sips)
        find_program(TIFF2ICNS_EXECUTABLE NAMES tiff2icns)
        if (SIPS_EXECUTABLE AND TIFF2ICNS_EXECUTABLE)
            file(GLOB_RECURSE files  "${pattern}")
            # we can only test for the 128-icon like that - we don't use patterns anymore
            foreach (it ${files})
                if (it MATCHES ".*128.*" )
                    set (_icon ${it})
                endif (it MATCHES ".*128.*")
            endforeach (it)

            if (_icon)

                # first, get the basename of our app icon
                add_custom_command(OUTPUT ${_outfilename}.icns ${outfilename}.tiff
                                   COMMAND ${SIPS_EXECUTABLE} -s format tiff ${_icon} --out ${outfilename}.tiff
                                   COMMAND ${TIFF2ICNS_EXECUTABLE} ${outfilename}.tiff ${_outfilename}.icns
                                   DEPENDS ${_icon}
                                   )

                # This will register the icon into the bundle
                set(MACOSX_BUNDLE_ICON_FILE ${appsources}.icns)

                # Append the icns file to the sources list so it will be a dependency to the
                # main target
                list(APPEND ${appsources} ${_outfilename}.icns)

                # Install the icon into the Resources dir in the bundle
                set_source_files_properties(${_outfilename}.icns PROPERTIES MACOSX_PACKAGE_LOCATION Resources)

            else(_icon)
                # TODO - try to scale a non-128 icon...? Try to convert an SVG on the fly?
                message(STATUS "Unable to find an 128x128 icon that matches pattern ${pattern} for variable ${appsources} - application will not have an application icon!")
            endif(_icon)

        else(SIPS_EXECUTABLE AND TIFF2ICNS_EXECUTABLE)
            message(STATUS "Unable to find the sips and tiff2icns utilities - application will not have an application icon!")
        endif(SIPS_EXECUTABLE AND TIFF2ICNS_EXECUTABLE)
    endif(APPLE)
endmacro (KDE4_ADD_APP_ICON)


-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Working on KDE, in particular KDE Frameworks 5



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