Files
evolution/cmake/modules/IconCache.cmake

77 lines
2.7 KiB
CMake

# IconCache.cmake
#
# This is required here only to have defined target 'uninstall'
# in the same directory.
#
# Macros:
# add_icon_cache_files(_destdir _fileslistvar ...)
# adds rules to install icons to icon cache directory with prefix _destdir;
# the other arguments are one or more list variables with file names.
include(UninstallTarget)
macro(get_one_icon_component _instring _outvalue _outrest)
string(FIND "${_instring}" "_" _pos)
if(_pos EQUAL -1)
message(FATAL_ERROR "get_one_icon_component() failed to get one component from '${_instring}'")
endif(_pos EQUAL -1)
math(EXPR _posinc "${_pos}+1")
string(SUBSTRING "${_instring}" 0 ${_pos} ${_outvalue})
string(SUBSTRING "${_instring}" ${_posinc} -1 ${_outrest})
endmacro(get_one_icon_component)
macro(split_icon_components _infilename _outtheme _outcontext _outsize _outiconfile)
set(_rest "${_infilename}")
get_one_icon_component("${_rest}" ${_outtheme} _rest)
get_one_icon_component("${_rest}" ${_outcontext} _rest)
get_one_icon_component("${_rest}" ${_outsize} _rest)
set(${_outiconfile} "${_rest}")
endmacro(split_icon_components)
find_program(GTK_UPDATE_ICON_CACHE gtk-update-icon-cache)
if(NOT GTK_UPDATE_ICON_CACHE)
message(WARNING "gtk-update-icon-cache not found. Make sure to call ${GTK_UPDATE_ICON_CACHE} -f -t \"${SHARE_INSTALL_PREFIX}/icons/hicolor\" after install and uninstall")
endif(NOT GTK_UPDATE_ICON_CACHE)
set(_update_icon_cache_cmd ${GTK_UPDATE_ICON_CACHE} -f -t "${SHARE_INSTALL_PREFIX}/icons/hicolor")
macro(process_icons _destdir _fileslistvar _install_codevar)
foreach(srcfile IN LISTS ${_fileslistvar})
split_icon_components(${srcfile} theme context size iconfile)
install(FILES ${srcfile}
DESTINATION ${_destdir}/icons/${theme}/${size}/${context}
RENAME ${iconfile}
)
set(${_install_codevar} "${${_install_codevar}}
COMMAND ${CMAKE_COMMAND} -E copy_if_different \"${CMAKE_CURRENT_SOURCE_DIR}/${srcfile}\" \"${_destdir}/icons/${theme}/${size}/${context}/${iconfile}\""
)
endforeach(srcfile)
endmacro(process_icons)
macro(add_icon_cache_files _destdir _fileslistvar)
set(_install_code)
foreach(_filesvar ${_fileslistvar} ${ARGN})
process_icons("${_destdir}" ${_filesvar} _install_code)
endforeach(_filesvar)
if(GTK_UPDATE_ICON_CACHE)
install(CODE
"if(\"\$ENV{DESTDIR}\" STREQUAL \"\")
execute_process(${_install_code}
COMMAND ${CMAKE_COMMAND} -E chdir . ${_update_icon_cache_cmd}
)
endif(\"\$ENV{DESTDIR}\" STREQUAL \"\")")
endif(GTK_UPDATE_ICON_CACHE)
endmacro(add_icon_cache_files)
if(GTK_UPDATE_ICON_CACHE)
add_custom_command(TARGET uninstall POST_BUILD
COMMAND ${CMAKE_COMMAND} -E chdir . ${_update_icon_cache_cmd}
COMMENT "Updating icon cache in '${SHARE_INSTALL_PREFIX}/icons/hicolor'"
)
endif(GTK_UPDATE_ICON_CACHE)