Add a UPDATE_TRANSLATIONS options that actually updates translations!

CMakeLists.txt

@@ -102,7 +102,9 @@ ENDIF()
 
 # Find Qt and enable the needed features
 # Default is Qt5 unless WITH_QT4 option is enabled
-option(WITH_QT4 "Force thr use of Qt4 libraries" OFF)
+option(WITH_QT4 "Force the use of Qt4 libraries" OFF)
+OPTION(UPDATE_TRANSLATIONS "Update translations on compile" OFF)
+MESSAGE("UPDATE TRANSLATIONS: ${UPDATE_TRANSLATIONS}")
 
 IF(NOT WITH_QT4)
     FIND_PACKAGE(Qt5Widgets)
@@ -114,7 +116,19 @@ IF(Qt5Widgets_FOUND)
     if(UNIX AND NOT APPLE AND "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
         # FIX: Qt was built with -reduce-relocations
         add_definitions(-fPIC)
-    endif()  
+    endif() 
+
+    FIND_PACKAGE(Qt5LinguistTools)
+    IF(UPDATE_TRANSLATIONS)
+        IF(NOT Qt5_LUPDATE_EXECUTABLE)
+            MESSAGE(WARNING "Qt's lupdate not found.")
+        ENDIF()
+    ENDIF()
+
+    IF(NOT Qt5_LRELEASE_EXECUTABLE)
+        MESSAGE(WARNING "Qt's lrelease not found.")
+    ENDIF()
+
 ELSE()
     FIND_PACKAGE(Qt4 4.8.0 REQUIRED)
     IF(QT4_FOUND)
@@ -123,6 +137,17 @@ ELSE()
     ENDIF()
     IF(Qt4_FOUND)
         MESSAGE(STATUS "Found Qt ${QT_VERSION_MAJOR}.${QT_VERSION_MINOR}.${QT_VERSION_PATCH}")
+
+        IF(UPDATE_TRANSLATIONS)
+            IF(NOT QT_LUPDATE_EXECUTABLE)
+                MESSAGE(WARNING "Qt's lupdate not found.")
+            ENDIF()
+        ENDIF()
+
+        IF(NOT QT_LRELEASE_EXECUTABLE)
+            MESSAGE(WARNING "Qt's lrelease not found.")
+        ENDIF()
+
     ELSE()
         MESSAGE(FATAL_ERROR "No Qt4 or Qt5 found!")
     ENDIF()

cockatrice/CMakeLists.txt

@@ -115,6 +115,12 @@ set(cockatrice_TS
 #    translations/cockatrice_zh_CN.ts
 )
 
+IF(UPDATE_TRANSLATIONS)
+    FILE(GLOB_RECURSE translate_cockatrice_SRCS ${CMAKE_SOURCE_DIR}/cockatrice/src/*.cpp)
+    FILE(GLOB_RECURSE translate_common_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/common/*.cpp)
+    SET(translate_SRCS ${translate_cockatrice_SRCS} ${translate_common_SRCS})
+ENDIF(UPDATE_TRANSLATIONS)
+
 if(WIN32)
     set(cockatrice_SOURCES ${cockatrice_SOURCES} cockatrice.rc)
 endif(WIN32)
@@ -149,7 +155,12 @@ if(Qt4_FOUND)
 
     # Let cmake chew Qt4's translations and resource files
     # Note: header files are MOC-ed automatically by cmake
-    QT4_ADD_TRANSLATION(cockatrice_QM ${cockatrice_TS})
+    IF(UPDATE_TRANSLATIONS)
+        QT4_CREATE_TRANSLATION(cockatrice_QM ${translate_SRCS} ${cockatrice_TS})
+    ELSE(UPDATE_TRANSLATIONS)
+        QT4_ADD_TRANSLATION(cockatrice_QM ${cockatrice_TS})
+    ENDIF(UPDATE_TRANSLATIONS)
+
     QT4_ADD_RESOURCES(cockatrice_RESOURCES_RCC ${cockatrice_RESOURCES})
 endif()
 
@@ -202,7 +213,12 @@ if(Qt5Widgets_FOUND)
 
     # Let cmake chew Qt5's translations and resource files
     # Note: header files are MOC-ed automatically by cmake
-    QT5_ADD_TRANSLATION(cockatrice_QM ${cockatrice_TS})
+    IF(UPDATE_TRANSLATIONS)
+        QT5_CREATE_TRANSLATION(cockatrice_QM ${translate_SRCS} ${cockatrice_TS})
+    ELSE()
+        QT5_ADD_TRANSLATION(cockatrice_QM ${cockatrice_TS})
+    ENDIF()
+
     QT5_ADD_RESOURCES(cockatrice_RESOURCES_RCC ${cockatrice_RESOURCES})
 
     # guess plugins and libraries directory