Add armarx_gui_plugin macro to make gui plugin code cleaner

etc/cmake/UseArmarXGui.cmake

@@ -42,12 +42,13 @@ function(armarx_gui_library PLUGIN_NAME SOURCES QT_MOC_HDRS QT_UIS QT_RESOURCES
     list(APPEND HEADERS ${QT_MOC_HDRS})
     list(APPEND HEADERS ${QT_UIS})
 
+    set(GENERATE_BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_NAME}_autogen/include")
 
-    install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_NAME}_autogen/include/" DESTINATION "include" COMPONENT headers)
+    install(DIRECTORY "${GENERATE_BASE_DIR}" DESTINATION "include" COMPONENT headers)
     printtarget("${HEADERS}" "${SOURCES}" "${QT_RESOURCES}" "${COMPONENT_LIBS}")
 
     armarx_add_library("${PLUGIN_NAME}" "${SOURCES}" "${HEADERS}" "${COMPONENT_LIBS}")
-    target_include_directories("${PLUGIN_NAME}" PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_NAME}_autogen/include> )
+    target_include_directories("${PLUGIN_NAME}" PUBLIC $<BUILD_INTERFACE:${GENERATE_BASE_DIR}> )
     target_compile_definitions("${PLUGIN_NAME}" PUBLIC -DQ_COMPILER_INITIALIZER_LISTS)
 
     set_target_properties("${PLUGIN_NAME}" PROPERTIES AUTOMOC ON)
@@ -73,3 +74,59 @@ function(armarx_gui_library PLUGIN_NAME SOURCES QT_MOC_HDRS QT_UIS QT_RESOURCES
         printlist("              " "${INCLUDE_DIRECTORIES}")
     endif()
 endfunction()
+
+function(armarx_gui_plugin PLUGIN_NAME SOURCES QT_MOC_HDRS QT_UIS QT_RESOURCES COMPONENT_LIBS)
+    list(APPEND SOURCES ${QT_RESOURCES})
+    list(APPEND HEADERS ${QT_MOC_HDRS})
+    list(APPEND HEADERS ${QT_UIS})
+
+    set(GENERATE_BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_NAME}_autogen/include")
+
+    #gui plugin name
+    string(REPLACE "GuiPlugin" "" ARMARX_GUI_PLUGIN_PREFIX "${ARMARX_TARGET_NAME}")
+
+    #autogen header if none was supplied
+    set(tmp_headers ${HEADERS})
+    set(tmp_regex "(^|\\.*/)${ARMARX_GUI_PLUGIN_PREFIX}GuiPlugin\\.h")
+    list(FILTER tmp_headers INCLUDE REGEX "${tmp_regex}")
+    list(REMOVE_DUPLICATES tmp_headers)
+    list(LENGTH tmp_headers tmp_headers_len)
+
+    if("0" STREQUAL "${tmp_headers_len}")
+        ########################################################################
+        #get rel path for subdir
+        file(RELATIVE_PATH subdir "${PROJECT_SOURCECODE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}")
+        ########################################################################
+        #get the widget controller header
+        set(tmp_headers ${HEADERS})
+        set(tmp_regex "(^|\\.*/)${ARMARX_GUI_PLUGIN_PREFIX}WidgetController\\.h")
+        list(FILTER tmp_headers INCLUDE REGEX "${tmp_regex}")
+        list(REMOVE_DUPLICATES tmp_headers)
+        list(LENGTH tmp_headers tmp_headers_len)
+        if(NOT "1" STREQUAL "${tmp_headers_len}")
+            message(FATAL_ERROR "Failed to auto generate the GuiPlugin headers! Error: Can't find the widget controller")
+        endif()
+        list(POP_BACK tmp_headers tmp_hdr)
+        set(ARMARX_GUI_PLUGIN_WIDGET_CONTROLLER_HEDER "${subdir}/${tmp_hdr}")
+        ########################################################################
+        #generate and add files
+        set(outfile "${GENERATE_BASE_DIR}/${subdir}/${ARMARX_TARGET_NAME}")
+        foreach(suff h cpp)
+        configure_file(
+            "${ArmarXCore_TEMPLATES_DIR}/GuiPluginTemplate/GuiPlugin.tmp.${suff}"
+            "${outfile}.${suff}"
+            @ONLY
+        )
+        endforeach()
+        list(APPEND SOURCES "${outfile}.cpp")
+        list(APPEND HEADERS "${outfile}.h")
+    endif()
+    
+    armarx_gui_library( 
+        "${PLUGIN_NAME}" 
+        "${SOURCES}" 
+        "${HEADERS}" 
+        "" 
+        "${QT_RESOURCES}" 
+        "${COMPONENT_LIBS}")
+endfunction()