Add a C example

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

Author: elmarco

Makefile

@@ -56,6 +56,7 @@ clean:
 	rm -f Ex-0.1.typelib
 	rm -f Ex-0.1.gir
 	rm -f Ex-0.1.vapi test-vala
+	rm -rf test-c
 	cargo clean
 
 run-python: Ex-0.1.typelib
@@ -73,5 +74,11 @@ test-vala: test.vala Ex-0.1.vapi
 run-vala: test-vala
 	./test-vala
 
+test-c: test.c target/debug/libgobject_example.so $(HEADERS)
+	$(CC) `pkg-config --cflags --libs Ex-0.1` $< -o $@
+
+run-c: test-c
+	./test-c
+
 check:
 	cargo test

test.c

@@ -0,0 +1,80 @@
+#include <glib.h>
+#include <ex/ex.h>
+
+static void
+on_incremented (ExFoo *foo, gint val, gint inc, void *user_data)
+{
+    g_print ("incremented to %d by %d\n", val, inc);
+}
+
+int
+main (int argc, const char *argv[])
+{
+    char *str;
+    ExFoo *foo;
+    ExBar *bar;
+    ExRString *s, *s2;
+    ExSharedRString *ss, *ss2;
+    gdouble number;
+
+    foo = ex_foo_new ("foo's name");
+    g_signal_connect (foo, "incremented", G_CALLBACK (on_incremented), NULL);
+
+    str = ex_foo_get_name (foo);
+    g_print ("foo name: %s\n", str);
+    g_free (str);
+    g_print ("foo inc 1: %d\n", ex_foo_increment (foo, 1));
+    g_print ("foo inc 10: %d\n", ex_foo_increment (foo, 10));
+    g_print ("foo counter: %d\n", ex_foo_get_counter (foo));
+    g_object_unref (foo);
+
+    bar = ex_bar_new ("bar's name");
+    g_signal_connect (bar, "incremented", G_CALLBACK (on_incremented), NULL);
+
+    str = ex_foo_get_name (EX_FOO (bar));
+    g_print ("bar name: %s\n", str);
+    g_free (str);
+    g_print ("bar inc 1: %d\n", ex_foo_increment (EX_FOO (bar), 1));
+    g_print ("bar inc 10: %d\n", ex_foo_increment (EX_FOO (bar), 10));
+    g_print ("bar counter: %d\n", ex_foo_get_counter (EX_FOO (bar)));
+
+    g_print ("bar number: %f\n", ex_bar_get_number (bar));
+    g_object_get (bar, "number", &number, NULL);
+    g_print ("bar number (property): %f\n", number);
+    ex_bar_set_number (bar, 10.0);
+    g_print ("bar number: %f\n", ex_bar_get_number (bar));
+    g_object_get (bar, "number", &number, NULL);
+    g_print ("bar number (property): %f\n", number);
+    number = 20.0;
+    g_object_set (bar, "number", number, NULL);
+    g_print ("bar number: %f\n", ex_bar_get_number (bar));
+    g_object_get (bar, "number", &number, NULL);
+    g_print ("bar number (property): %f\n", number);
+    g_object_unref (bar);
+
+    s = ex_rstring_new ("something");
+
+    str = ex_rstring_get (s);
+    g_print ("rstring: %s\n", str);
+    g_free (str);
+    s2 = ex_rstring_copy (s);
+    ex_rstring_set (s2, "something else");
+    str = ex_rstring_get (s2);
+    g_print ("rstring 2: %s\n", str);
+    g_free (str);
+    ex_rstring_free (s2);
+    ex_rstring_free (s);
+
+    ss = ex_shared_rstring_new ("something");
+    str = ex_shared_rstring_get (ss);
+    g_print ("shared rstring: %s\n", str);
+    g_free (str);
+    ss2 = ex_shared_rstring_ref (ss);
+    str = ex_shared_rstring_get (ss2);
+    g_print ("shared rstring 2: %s\n", str);
+    g_free (str);
+    ex_shared_rstring_unref (ss2);
+    ex_shared_rstring_unref (ss);
+
+    return 0;
+}