tde_add_project_translations: Add common rules for generating and installing project translations.

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

modules/TDEMacros.cmake

@@ -1654,6 +1654,33 @@ macro( tde_add_tdeinit_executable _target )
 endmacro( tde_add_tdeinit_executable )
 
 
+#################################################
+#####
+##### tde_add_project_translations
+#####
+##### Macro for standard processing and installation of translations.
+##### This is designed for ordinary modules - as an applications, not for core modules.
+
+function( tde_add_project_translations )
+
+  file( GLOB_RECURSE po_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.po )
+  string( REGEX REPLACE "[ \r\n\t]+" ";" _linguas "$ENV{LINGUAS}" )
+
+  foreach( _po ${po_files} )
+    get_filename_component( _lang ${_po} NAME_WE )
+    if( "${_linguas}" MATCHES "^;*$" OR ";${_linguas};" MATCHES ";${_lang};" )
+      if( "${_po}" MATCHES "^([^/]*)/.*" )
+        string( REGEX REPLACE "^([^/]*)/.*" "\\1" _component "${_po}" )
+      else( )
+        set( _component "${PROJECT_NAME}" )
+      endif( )
+      tde_create_translation( FILES ${_po} LANG ${_lang} OUTPUT_NAME ${_component} )
+    endif( )
+  endforeach( )
+
+endfunction()
+
+
 #################################################
 #####
 ##### tde_create_translation