Elua: initial commit

Elua is a LuaJIT based runtime for the EFL meant to provide facilities for rapid application development. The name is temporary. The EFL bindings will be generated with Eolian. @feature

elua/Makefile.am

@@ -0,0 +1,17 @@
+if HAVE_ELUA
+
+MAINTAINERCLEANFILES = Makefile.in
+
+DATA_FILES = Makefile.examples
+EXTRA_DIST = $(DATA_FILES)
+
+install-examples:
+	mkdir -p $(datadir)/elua/examples
+	$(install_sh_DATA) -c $(DATA_FILES) $(datadir)/elua/examples
+
+uninstall-local:
+	for f in $(DATA_FILES); do \
+	  rm -f $(datadir)/elua/examples/$$f ; \
+	done
+
+endif

elua/elm_test.lua

@@ -0,0 +1,38 @@
+local win = elm.Window("test", "Hello World")
+
+win:smart_callback_add("delete,request", function()
+    elm.exit()
+end)
+
+local bg = elm.Background(win)
+bg:size_hint_weight_set(1.0, 1.0)
+win:resize_object_add(bg)
+bg:show()
+
+local bx = elm.Box(win)
+bx:size_hint_weight_set(1.0, 1.0)
+win:resize_object_add(bx)
+bx:show()
+
+local lbl = elm.Label(win)
+lbl:text_set("Lua runtime test")
+bx:pack_end(lbl)
+lbl:show()
+
+local counter = nil
+local step = 5
+
+local btn = elm.Button(win)
+btn:text_set("Reset counter")
+bx:pack_end(btn)
+btn:smart_callback_add("clicked", function()
+    if not counter then
+        btn:text_set("Add " .. step)
+    end
+    counter = counter and (counter + step) or 0
+    lbl:text_set(tostring(counter))
+end)
+btn:show()
+
+win:resize(360, 360)
+win:show()