Add a Vala example

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Author: elmarco

Ex-0.1.pc

@@ -0,0 +1,6 @@
+Name: Ex
+Description:
+Version: 0.1
+Libs: -Ltarget/debug -lgobject_example
+Cflags: -Iinclude
+Requires: gobject-2.0

Makefile

@@ -24,7 +24,11 @@ RUST_SOURCES = \
 	src/shared_rstring/imp.rs \
 	src/shared_rstring/mod.rs
 
-all: Ex-0.1.gir Ex-0.1.typelib
+all: Ex-0.1.gir Ex-0.1.typelib Ex-0.1.vapi
+
+export PKG_CONFIG_PATH=$(PWD)
+export GI_TYPELIB_PATH=$(PWD)
+export LD_LIBRARY_PATH=$(PWD)/target/debug
 
 target/debug/libgobject_example.so: $(RUST_SOURCES)
 	cargo build
@@ -43,16 +47,31 @@ Ex-0.1.typelib: Ex-0.1.gir
 		--includedir=include \
 		$< -o $@
 
+Ex-0.1.vapi: Ex-0.1.gir
+	vapigen \
+		--library Ex-0.1 \
+		$<
+
 clean:
 	rm -f Ex-0.1.typelib
 	rm -f Ex-0.1.gir
+	rm -f Ex-0.1.vapi test-vala
 	cargo clean
 
 run-python: Ex-0.1.typelib
-	GI_TYPELIB_PATH=$(PWD) LD_LIBRARY_PATH=$(PWD)/target/debug python3 test.py
+	python3 test.py
 
 run-gjs: Ex-0.1.typelib
-	GI_TYPELIB_PATH=$(PWD) LD_LIBRARY_PATH=$(PWD)/target/debug gjs test.js
+	gjs test.js
+
+test-vala: test.vala Ex-0.1.vapi
+	valac -v \
+		--vapidir=$(PWD) \
+		--pkg=Ex-0.1 \
+		$< -o $@
+
+run-vala: test-vala
+	./test-vala
 
 check:
 	cargo test

test.vala

@@ -0,0 +1,45 @@
+using Ex;
+
+void on_incremented (int val, int inc) {
+	stdout.printf ("incremented to %d by %d\n", val, inc);
+}
+
+public int main (string[] args) {
+	var foo = new Ex.Foo ("foo's name");
+	foo.incremented.connect (on_incremented);
+
+	stdout.printf ("foo name: %s\n", foo.get_name ());
+	stdout.printf ("foo inc 1: %d\n", foo.increment (1));
+	stdout.printf ("foo inc 10: %d\n", foo.increment (10));
+	stdout.printf ("foo counter: %d\n", foo.get_counter ());
+
+	var bar = new Ex.Bar ("bar's name");
+	bar.incremented.connect (on_incremented);
+
+	stdout.printf ("bar name: %s\n", bar.get_name ());
+	stdout.printf ("bar inc 1: %d\n", bar.increment (1));
+	stdout.printf ("bar inc 10: %d\n", bar.increment (10));
+	stdout.printf ("bar counter: %d\n", bar.get_counter ());
+
+	stdout.printf ("bar number: %f\n", bar.get_number ());
+	stdout.printf ("bar number (property): %f\n", bar.number);
+	bar.set_number (10.0);
+	stdout.printf ("bar number: %f\n", bar.get_number ());
+	stdout.printf ("bar number (property): %f\n", bar.number);
+	bar.number = 20.0;
+	stdout.printf ("bar number: %f\n", bar.get_number ());
+	stdout.printf ("bar number (property): %f\n", bar.number);
+
+	var s = new Ex.RString ("something");
+	stdout.printf ("rstring: %s\n", s.get ());
+	var s2 = s.copy ();
+	s2.set ("something else");
+	stdout.printf ("rstring 2: %s\n", s2.get ());
+
+	var ss = new Ex.SharedRString ("something");
+	stdout.printf ("shared rstring: %s\n", ss.get ());
+	var ss2 = ss.ref ();
+	stdout.printf ("shared rstring 2: %s\n", ss2.get ());
+
+	return 0;
+}