Implement Qt support for common_library

CommonApplication.cmake

@@ -15,38 +15,17 @@
 #
 # Builds Name application and installs it.
 
-# include(CMakeParseArguments)
+include(CommonQtSupport)
 
 function(COMMON_APPLICATION Name)
   string(TOUPPER ${Name} NAME)
   string(TOLOWER ${Name} name)
   set(SOURCES ${${NAME}_SOURCES})
-  set(HEADERS ${${NAME}_HEADERS})
+  set(HEADERS ${${NAME}_HEADERS} ${${NAME}_MOC_HEADERS})
   set(LINK_LIBRARIES ${${NAME}_LINK_LIBRARIES})
 
-  if(${NAME}_MOC_HEADERS)
-    if(NOT Qt5Core_FOUND)
-      message(FATAL_ERROR "Qt5Core not found, needed for MOC of application ${Name}")
-    endif()
-    qt5_wrap_cpp(MOC_SOURCES ${${NAME}_MOC_HEADERS})
-    list(APPEND HEADERS ${${NAME}_MOC_HEADERS})
-    list(APPEND SOURCES ${MOC_SOURCES})
-  endif()
-  if(${NAME}_UI_FORMS)
-    if(NOT Qt5Widgets_FOUND)
-      message(FATAL_ERROR "Qt5Widgets not found, needed for UIC of application ${Name}")
-    endif()
-    qt5_wrap_ui(UI_SOURCES ${${NAME}_UI_FORMS})
-    list(APPEND SOURCES ${UI_SOURCES})
-    include_directories(${PROJECT_BINARY_DIR})
-  endif()
-  if(${NAME}_RESOURCES)
-    if(NOT Qt5Core_FOUND)
-      message(FATAL_ERROR "Qt5Core not found, needed for QRC of application ${Name}")
-    endif()
-    qt5_add_resources(QRC_SOURCES ${${NAME}_RESOURCES})
-    list(APPEND SOURCES ${QRC_SOURCES})
-  endif()
+  common_qt_support(${NAME})
+  list(APPEND SOURCES ${COMMON_QT_SUPPORT_SOURCES})
 
   add_executable(${Name} ${ARGN} ${HEADERS} ${SOURCES})
   target_link_libraries(${Name} ${LINK_LIBRARIES})

CommonLibrary.cmake

@@ -14,6 +14,11 @@
 # * PROJECT_INCLUDE_NAME for the include directory and project include header
 # * VERSION for the API version
 # * VERSION_ABI for the ABI version
+# * Optional Qt support:
+# ** NAME_MOC_HEADERS list of internal moc input headers
+# ** NAME_MOC_PUBLIC_HEADERS list of public moc input headers, to be installed
+# ** NAME_UI_FORMS list of all .ui input files
+# ** NAME_RESOURCES list of all .qrc resource files
 #
 # If NAME_LIBRARY_TYPE is a list, libraries are built of each specified
 # (i.e. shared and static) type. Whichever is first becomes the library
@@ -24,6 +29,7 @@
 # including all public headers.
 
 include(InstallFiles)
+include(CommonQtSupport)
 
 set(COMMON_LIBRARY_TYPE SHARED CACHE STRING
   "Library type {any combination of SHARED, STATIC}")
@@ -67,14 +73,17 @@ function(COMMON_LIBRARY Name)
     string(TOLOWER ${Name} PROJECT_INCLUDE_NAME)
   endif()
   set(SOURCES ${${NAME}_SOURCES})
-  set(HEADERS ${${NAME}_HEADERS})
-  set(PUBLIC_HEADERS ${${NAME}_PUBLIC_HEADERS})
+  set(HEADERS ${${NAME}_HEADERS} ${${NAME}_MOC_HEADERS})
+  set(PUBLIC_HEADERS ${${NAME}_PUBLIC_HEADERS} ${${NAME}_MOC_PUBLIC_HEADERS})
   set(LINK_LIBRARIES ${${NAME}_LINK_LIBRARIES})
 
   if(NOT ${NAME}_OMIT_PROJECT_HEADER)
     generate_project_header(${NAME})
   endif()
 
+  common_qt_support(${NAME})
+  list(APPEND SOURCES ${COMMON_QT_SUPPORT_SOURCES})
+
   if(SOURCES)
     list(SORT SOURCES)
   endif()

CommonQtSupport.cmake

@@ -0,0 +1,44 @@
+# Copyright (c) 2015 raphael.dumusc@epfl.ch
+
+# Provides Qt support for CommonLibrary and CommonApplication:
+#   common_qt_support(<Name>)
+#
+# Uses:
+# * NAME_MOC_HEADERS, NAME_MOC_PUBLIC_HEADERS list of all moc input headers
+# * NAME_UI_FORMS list of all .ui input files
+# * NAME_RESOURCES list of all .qrc resource files
+# * Sets the output to the following variables in parent scope:
+# * COMMON_QT_SUPPORT_SOURCES
+
+macro(COMMON_QT_SUPPORT NAME)
+  if(${NAME}_MOC_HEADERS)
+    if(NOT Qt5Core_FOUND)
+      message(FATAL_ERROR "Qt5Core not found, needed for MOC of application ${Name}")
+    endif()
+    qt5_wrap_cpp(MOC_SOURCES ${${NAME}_MOC_HEADERS})
+    list(APPEND COMMON_QT_SUPPORT_SOURCES ${MOC_SOURCES})
+  endif()
+  if(${NAME}_MOC_PUBLIC_HEADERS)
+    if(NOT Qt5Core_FOUND)
+      message(FATAL_ERROR "Qt5Core not found, needed for MOC of application ${Name}")
+    endif()
+    qt5_wrap_cpp(MOC_SOURCES ${${NAME}_MOC_PUBLIC_HEADERS})
+    list(APPEND COMMON_QT_SUPPORT_SOURCES ${MOC_SOURCES})
+  endif()
+  if(${NAME}_UI_FORMS)
+    if(NOT Qt5Widgets_FOUND)
+      message(FATAL_ERROR "Qt5Widgets not found, needed for UIC of application ${Name}")
+    endif()
+    qt5_wrap_ui(UI_SOURCES ${${NAME}_UI_FORMS})
+    list(APPEND COMMON_QT_SUPPORT_SOURCES ${UI_SOURCES})
+    include_directories(${PROJECT_BINARY_DIR})
+  endif()
+  if(${NAME}_RESOURCES)
+    if(NOT Qt5Core_FOUND)
+      message(FATAL_ERROR "Qt5Core not found, needed for QRC of application ${Name}")
+    endif()
+    qt5_add_resources(QRC_SOURCES ${${NAME}_RESOURCES})
+    list(APPEND COMMON_QT_SUPPORT_SOURCES ${QRC_SOURCES})
+  endif()
+  set(COMMON_QT_SUPPORT_SOURCES ${COMMON_QT_SUPPORT_SOURCES} PARENT_SCOPE)
+endmacro()