Group liblove and lovedep projects in Visual Studio

extra/cmake/LoveMacros.cmake

@@ -0,0 +1,33 @@
+
+# Group all related stuff in folders in Visual Studio
+
+function(love_group_projects)
+	set(options NESTED)
+	set(oneValueArgs NAME)
+	set(multiValueArgs TARGETS)
+	cmake_parse_arguments(LOVE_GROUP "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+	foreach(TARGET_NAME ${LOVE_GROUP_TARGETS})
+		if (TARGET ${TARGET_NAME})
+			get_target_property(TARGET_TYPE ${TARGET_NAME} TYPE)
+			# If this is an interface target, walk the children
+			if (${TARGET_TYPE} STREQUAL "INTERFACE_LIBRARY")
+				get_target_property(TARGET_LIBS ${TARGET_NAME} INTERFACE_LINK_LIBRARIES)
+				foreach(TARGET_LIB ${TARGET_LIBS})
+					# Is this a target? (Could also be a .lib file)
+					if (TARGET ${TARGET_LIB})
+						# Do we want to nest per-project?
+						if (LOVE_GROUP_NESTED)
+							set_target_properties(${TARGET_LIB} PROPERTIES FOLDER "${LOVE_GROUP_NAME}/${TARGET_NAME}")
+						else()
+							set_target_properties(${TARGET_LIB} PROPERTIES FOLDER "${LOVE_GROUP_NAME}")
+						endif()
+					endif()
+				endforeach()
+			else()
+				# This is no interface library, so group it under the root 'NAME' node
+				set_target_properties(${TARGET_NAME} PROPERTIES FOLDER "${LOVE_GROUP_NAME}")
+			endif()
+		endif()
+	endforeach()
+endfunction()