tde_create_translated_desktop: Add the ability to process multiple source

files to be installed in the same destination folder.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

modules/TDEMacros.cmake

@@ -1771,13 +1771,13 @@ endmacro( )
 
 macro( tde_create_translated_desktop )
 
-  unset( _src )
+  unset( _srcs )
+  unset( _arg_out_name )
+  unset( _arg_po_dir )
   unset( _keywords_add )
-  unset( _po_dir )
   unset( _dest )
-  unset( _out_name )
   unset( _directive )
-  set( _var _src )
+  set( _var _srcs )
   set( _keywords_desktop_default
        "Name" "GenericName" "Comment" "Keywords"
        "Description" "ExtraNames" "X-TDE-Submenu" )
@@ -1786,8 +1786,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "SOURCE"
     if( "+${_arg}" STREQUAL "+SOURCE" )
-      unset( _src )
-      set( _var _src )
+      unset( _srcs )
+      set( _var _srcs )
       set( _directive 1 )
     endif( )
 
@@ -1800,8 +1800,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "PO_DIR"
     if( "+${_arg}" STREQUAL "+PO_DIR" )
-      unset( _po_dir )
-      set( _var _po_dir )
+      unset( _arg_po_dir )
+      set( _var _arg_po_dir )
       set( _directive 1 )
     endif( )
 
@@ -1814,8 +1814,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "OUTPUT_NAME"
     if( "+${_arg}" STREQUAL "+OUTPUT_NAME" )
-      unset( _out_name )
-      set( _var _out_name )
+      unset( _arg_out_name )
+      set( _var _arg_out_name )
       set( _directive 1 )
     endif( )
 
@@ -1828,6 +1828,22 @@ macro( tde_create_translated_desktop )
 
   endforeach( )
 
+  # no source file specified!
+  if( NOT _srcs )
+    tde_message_fatal( "no source desktop file specified" )
+  endif( )
+
+  # OUTPUT_NAME can only be used if we have only one file
+  list( LENGTH _srcs _srcs_num )
+  if( _arg_out_name AND _srcs_num GREATER 1 )
+    tde_message_fatal( "OUTPUT_NAME can be supplied only with single file" )
+  endif( )
+
+  # if no destination directory specified, install as application link
+  if( NOT _dest )
+    set( _dest ${XDG_APPS_INSTALL_DIR} )
+  endif( )
+
   # select a tool for merging desktop file translations
   #
   # Because some of our desktop files contain underscores in variable
@@ -1868,132 +1884,131 @@ macro( tde_create_translated_desktop )
     endif( )
   endforeach( )
 
-  # no source file specified!
-  if( NOT _src )
-    tde_message_fatal( "no source desktop file specified" )
-  endif( )
-  get_filename_component( _basename ${_src} ABSOLUTE )
-  get_filename_component( _basedir ${_basename} PATH )
-  file( RELATIVE_PATH _basename "${CMAKE_CURRENT_SOURCE_DIR}" "${_basename}" )
-
-  # prepare the binary directory according to source directory
-  file( RELATIVE_PATH _binary_basedir "${CMAKE_CURRENT_SOURCE_DIR}" "${_basedir}" )
-  set( _binary_basedir "${CMAKE_CURRENT_BINARY_DIR}/${_binary_basedir}" )
-  file( MAKE_DIRECTORY "${_binary_basedir}" )
+  # process source files
+  foreach( _src IN LISTS _srcs )
 
-  # process source file as a configuration file if necessary
-  if( "${_src}" MATCHES "\\.cmake$" )
-    configure_file( ${_src} ${_basename} @ONLY )
-    set( ${_src} "${CMAKE_CURRENT_BINARY_DIR}/${_basename}" )
-    string( REGEX REPLACE "\\.cmake$" "" _basename "${_basename}" )
-  endif()
+    # get a base name and a directory
+    get_filename_component( _basename ${_src} ABSOLUTE )
+    get_filename_component( _basedir ${_basename} PATH )
+    file( RELATIVE_PATH _basename "${CMAKE_CURRENT_SOURCE_DIR}" "${_basename}" )
 
-  # if no output name specified, use the same as source
-  if( NOT _out_name )
-    get_filename_component( _out_name ${_basename} NAME )
-  endif( )
+    # prepare the binary directory according to source directory
+    file( RELATIVE_PATH _binary_basedir "${CMAKE_CURRENT_SOURCE_DIR}" "${_basedir}" )
+    set( _binary_basedir "${CMAKE_CURRENT_BINARY_DIR}/${_binary_basedir}" )
+    file( MAKE_DIRECTORY "${_binary_basedir}" )
 
-  # determine po directory
-  if( _po_dir )
-    set( _po_base ${_po_dir} )
-  else()
-    get_filename_component( _po_base ${_basename} NAME )
-  endif()
-  if( IS_ABSOLUTE ${_po_base} )
-    set( _po_dir ${_po_base} )
-  else()
-    if( EXISTS ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} AND
-        IS_DIRECTORY ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} )
-      set( _po_dir ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} )
+    # process source file as a configuration file if necessary
+    if( "${_src}" MATCHES "\\.cmake$" )
+      configure_file( ${_src} ${_basename} @ONLY )
+      set( ${_src} "${CMAKE_CURRENT_BINARY_DIR}/${_basename}" )
+      string( REGEX REPLACE "\\.cmake$" "" _basename "${_basename}" )
+    endif()
 
-    elseif( EXISTS ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} AND
-            IS_DIRECTORY ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} )
-      set( _po_dir ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} )
+    # determine output name
+    if( _arg_out_name )
+      set( _out_name ${_arg_out_name} )
+    else()
+      get_filename_component( _out_name ${_basename} NAME )
+    endif( )
 
+    # determine po directory
+    if( _arg_po_dir )
+      set( _po_base ${_arg_po_dir} )
     else()
-      set( _po_dir ${CMAKE_SOURCE_DIR}/translations/desktop_files )
+      get_filename_component( _po_base ${_basename} NAME )
+    endif()
+    if( IS_ABSOLUTE ${_po_base} )
+      set( _po_dir ${_po_base} )
+    else()
+      if( EXISTS ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} AND
+          IS_DIRECTORY ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} )
+        set( _po_dir ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_po_base} )
+
+      elseif( EXISTS ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} AND
+              IS_DIRECTORY ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} )
+        set( _po_dir ${CMAKE_SOURCE_DIR}/po/desktop_files/${_po_base} )
+
+      else()
+        set( _po_dir ${CMAKE_SOURCE_DIR}/translations/desktop_files )
+      endif( )
     endif( )
-  endif( )
 
-  # if no destination directory specified, install as application link
-  if( NOT _dest )
-    set( _dest ${XDG_APPS_INSTALL_DIR} )
-  endif( )
+    # are there any translations available?
+    unset( _translations )
+    if( EXISTS "${_po_dir}" AND IS_DIRECTORY "${_po_dir}" )
+      file( GLOB _translations RELATIVE "${_po_dir}" "${_po_dir}/*.po" )
+    endif( )
+    if( _translations )
 
-  # are there any translations available?
-  unset( _translations )
-  if( EXISTS "${_po_dir}" AND IS_DIRECTORY "${_po_dir}" )
-    file( GLOB _translations RELATIVE "${_po_dir}" "${_po_dir}/*.po" )
-  endif( )
-  if( _translations )
+      # prepare a full name for the target
+      get_filename_component( _target ${_basename} ABSOLUTE )
+      file( RELATIVE_PATH _target "${CMAKE_SOURCE_DIR}" "${_target}" )
+      string( REPLACE "/" "+" _target "${_target}-translated" )
 
-    # prepare a full name for the target
-    get_filename_component( _target ${_basename} ABSOLUTE )
-    file( RELATIVE_PATH _target "${CMAKE_SOURCE_DIR}" "${_target}" )
-    string( REPLACE "/" "+" _target "${_target}-translated" )
+      if( NOT TARGET ${_target} )
 
-    if( NOT TARGET ${_target} )
+        if( DESKTOP_MERGE_MSGFMT )
 
-      if( DESKTOP_MERGE_MSGFMT )
+          # Decide which translations to build; the ones selected in the
+          # LINGUAS environment variable, or all that are available.
+          if( DEFINED ENV{LINGUAS} )
+            set( _linguas "$ENV{LINGUAS}" )
+          else( )
+            string( REPLACE ".po;" " " _linguas "${_translations};" )
+          endif( )
 
-        # Decide which translations to build; the ones selected in the
-        # LINGUAS environment variable, or all that are available.
-        if( DEFINED ENV{LINGUAS} )
-          set( _linguas "$ENV{LINGUAS}" )
-        else( )
-          string( REPLACE ".po;" " " _linguas "${_translations};" )
-        endif( )
+          # prepare keywords for msgfmt
+          set( _keywords_arg "--keyword=" )
+          foreach( _keyword ${_keywords_desktop} )
+            list( APPEND _keywords_arg "--keyword=\"${_keyword}\"" )
+          endforeach( )
 
-        # prepare keywords for msgfmt
-        set( _keywords_arg "--keyword=" )
-        foreach( _keyword ${_keywords_desktop} )
-          list( APPEND _keywords_arg "--keyword=\"${_keyword}\"" )
-        endforeach( )
+          # merge translations command
+          get_filename_component( _src ${_src} ABSOLUTE )
+          add_custom_command(
+            OUTPUT ${_basename}
+            COMMAND ${CMAKE_COMMAND} -E env "LINGUAS=${_linguas}" ${MSGFMT_EXECUTABLE} --desktop --template ${_src} -d ${_po_dir} -o ${_basename} ${_keywords_arg}
+            DEPENDS ${_src}
+          )
 
-        # merge translations command
-        get_filename_component( _src ${_src} ABSOLUTE )
-        add_custom_command(
-          OUTPUT ${_basename}
-          COMMAND ${CMAKE_COMMAND} -E env "LINGUAS=${_linguas}" ${MSGFMT_EXECUTABLE} --desktop --template ${_src} -d ${_po_dir} -o ${_basename} ${_keywords_arg}
-          DEPENDS ${_src}
-        )
+        else( )
 
-      else( )
+          # create template for intltool-merge
+          file( READ ${_src} _src_data )
+          string( REPLACE ";" "|" _keywords_match "(${_keywords_desktop})" )
+          string( REGEX REPLACE "(^|\n)${_keywords_match}[ ]*=[ ]*" "\\1_\\2=" _src_data "${_src_data}" )
+          file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.in "${_src_data}" )
 
-        # create template for intltool-merge
-        file( READ ${_src} _src_data )
-        string( REPLACE ";" "|" _keywords_match "(${_keywords_desktop})" )
-        string( REGEX REPLACE "(^|\n)${_keywords_match}[ ]*=[ ]*" "\\1_\\2=" _src_data "${_src_data}" )
-        file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.in "${_src_data}" )
+          # merge translations command
+          add_custom_command(
+            OUTPUT ${_basename}
+            COMMAND ${INTLTOOL_MERGE_EXECUTABLE} -d ${_po_dir} ${_basename}.in ${_basename}
+            DEPENDS ${_src}
+          )
 
-        # merge translations command
-        add_custom_command(
-          OUTPUT ${_basename}
-          COMMAND ${INTLTOOL_MERGE_EXECUTABLE} -d ${_po_dir} ${_basename}.in ${_basename}
-          DEPENDS ${_src}
-        )
+        endif( )
 
-      endif( )
+        # merge translations target
+        add_custom_target( "${_target}" ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_basename} )
 
-      # merge translations target
-      add_custom_target( "${_target}" ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_basename} )
+      endif()
 
-    endif()
+    else( )
 
-  else( )
+      # just write the original file without translations
+      file( READ ${_src} _src_data )
+      file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename} "${_src_data}" )
 
-    # just write the original file without translations
-    file( READ ${_src} _src_data )
-    file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename} "${_src_data}" )
+    endif( )
 
-  endif( )
+    # install traslated desktop file
+    install(
+      FILES ${CMAKE_CURRENT_BINARY_DIR}/${_basename}
+      RENAME ${_out_name}
+      DESTINATION ${_dest}
+    )
 
-  # install traslated desktop file
-  install(
-    FILES ${CMAKE_CURRENT_BINARY_DIR}/${_basename}
-    RENAME ${_out_name}
-    DESTINATION ${_dest}
-  )
+  endforeach()
 
 endmacro( )