Enable notifications with cmake.

CMakeLists.txt

@@ -88,6 +88,10 @@ if(NOT MSVC)
     option(ENABLE_POT_UPDATE_TARGET "Enables the tools to update the pot files and manuals. This target has extra dependencies." OFF)
 endif(NOT MSVC)
 
+if(UNIX AND NOT APPLE AND NOT CYGWIN)
+	option(ENABLE_NOTIFICATIONS "Enable Window manager notification messages" OFF)
+endif(UNIX AND NOT APPLE AND NOT CYGWIN)
+
 set(BINARY_SUFFIX "" CACHE STRING "Suffix behind all binaries")
 set(BINARY_PREFIX "" CACHE STRING "Prefix in front of all binaries")
 
@@ -199,6 +203,11 @@ if(ENABLE_GAME)
 	  message("Could not find FriBiDi. Disabling FriBiDi support.")
 	endif()
 
+	if(ENABLE_NOTIFICATIONS)
+		pkg_check_modules(LIBDBUS REQUIRED dbus-1)
+	  	add_definitions(-DHAVE_LIBDBUS)
+	endif(ENABLE_NOTIFICATIONS)
+
 endif(ENABLE_GAME)
 
 # get languages

src/CMakeLists.txt

@@ -10,6 +10,7 @@ include_directories( ${SDL_INCLUDE_DIR} )
 include_directories( ${PANGOCAIRO_INCLUDE_DIRS} )
 include_directories( ${FONTCONFIG_INCLUDE_DIRS} )
 include_directories( ${GETTEXT_INCLUDE_DIR} )
+include_directories( ${LIBDBUS_INCLUDE_DIRS} )
 
 #optional dependencies
 if(SDLIMAGE_INCLUDE_DIR)
@@ -58,6 +59,7 @@ set( game-external-libs
     ${PANGOCAIRO_LIBRARIES}
     ${FONTCONFIG_LIBRARIES}
     ${LUA_LIBRARIES}
+    ${LIBDBUS_LIBRARIES}
 )
 
 set( server-external-libs

src/gui/widgets/scrollbar.cpp

@@ -217,6 +217,8 @@ void tscrollbar_::recalculate()
 
 	assert(available_length > 0);
 
+	std::cerr << "LB " <<  item_count_ << ' ' << visible_items_ << '\n';
+
 	// All visible.
 	if(item_count_ <= visible_items_) {
 		positioner_offset_ = offset_before();