From a26df747a2a08cefc18a5b321c210fb0256de96f Mon Sep 17 00:00:00 2001
From: Sung-Jin Park <sj76.park@samsung.com>
Date: Wed, 15 Jul 2020 18:27:11 +0900
Subject: [PATCH] samples: add exampleClient for testing exampleCompositor

Change-Id: I08e17d9d09f2b176e5d985b8bd4752151b42460b
Signed-off-by: Sung-Jin Park <sj76.park@samsung.com>
---
 meson.build             |  4 +--
 packaging/libds.spec    |  1 +
 samples/exampleClient.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++
 samples/meson.build     | 11 ++++++-
 4 files changed, 93 insertions(+), 3 deletions(-)
 create mode 100644 samples/exampleClient.c

diff --git a/meson.build b/meson.build
index df7137c..1c0ab21 100644
--- a/meson.build
+++ b/meson.build
@@ -1,9 +1,9 @@
 project(
 	'libds',
-	'cpp',
+	['c', 'cpp'],
 	version : '0.0.1',
 	license : 'MIT',
-	default_options : ['cpp_std=c++17']
+	default_options : ['c_std=c11', 'cpp_std=c++17']
 	)
 
 libds_version = meson.project_version().split('.')
diff --git a/packaging/libds.spec b/packaging/libds.spec
index 9f9e868..cd65568 100644
--- a/packaging/libds.spec
+++ b/packaging/libds.spec
@@ -13,6 +13,7 @@ BuildRequires:  pkgconfig(gmock)
 BuildRequires:  pkgconfig(dlog)
 BuildRequires:  pkgconfig(libtdm)
 BuildRequires:  pkgconfig(wayland-server)
+BuildRequires:  pkgconfig(wayland-client)
 BuildRequires:  pkgconfig(tizen-extension-server)
 BuildRequires:  pkgconfig(text-server)
 BuildRequires:  pkgconfig(tizen-launch-server)
diff --git a/samples/exampleClient.c b/samples/exampleClient.c
new file mode 100644
index 0000000..0a9ef50
--- /dev/null
+++ b/samples/exampleClient.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wayland-client.h>
+#include <wayland-client-protocol.h>
+
+struct wl_display *display = NULL;
+struct wl_compositor *compositor = NULL;
+struct wl_surface *surface;
+
+static void
+global_registry_handler(void *data, struct wl_registry *registry, uint32_t id,
+			const char *interface, uint32_t version)
+{
+	printf("Got a registry event for %s id %d\n", interface, id);
+
+	if (strcmp(interface, "wl_compositor") == 0)
+	{
+		compositor = wl_registry_bind(registry, id, &wl_compositor_interface, 1);
+	}
+}
+
+static void
+global_registry_remover(void *data, struct wl_registry *registry, uint32_t id)
+{
+	printf("Got a registry losing event for %d\n", id);
+}
+
+static const struct wl_registry_listener registry_listener = {
+	global_registry_handler,
+	global_registry_remover
+};
+
+
+int main(int argc, char **argv) {
+
+	display = wl_display_connect(NULL);
+
+	if (display == NULL)
+	{
+		fprintf(stderr, "Can't connect to display\n");
+		exit(1);
+	}
+
+	printf("connected to display\n");
+
+	struct wl_registry *registry = wl_display_get_registry(display);
+	wl_registry_add_listener(registry, &registry_listener, NULL);
+
+	wl_display_dispatch(display);
+	wl_display_roundtrip(display);
+
+	if (compositor == NULL)
+	{
+		fprintf(stderr, "Can't find compositor\n");
+		exit(1);
+	}
+	else
+	{
+		fprintf(stderr, "Found compositor\n");
+	}
+
+	surface = wl_compositor_create_surface(compositor);
+
+	if (surface == NULL)
+	{
+		fprintf(stderr, "Can't create surface\n");
+		exit(1);
+	}
+	else
+	{
+		fprintf(stderr, "Created surface\n");
+	}
+
+	wl_display_disconnect(display);
+	printf("disconnected from display\n");
+
+	exit(0);
+}
+
diff --git a/samples/meson.build b/samples/meson.build
index 4371026..1101dab 100644
--- a/samples/meson.build
+++ b/samples/meson.build
@@ -24,4 +24,13 @@ executable('exampleCompositor',
 	dependencies : libds_declared_dep,
 	install_dir : libds_prefix_bindir,
 	install : true
-	)
\ No newline at end of file
+	)
+
+# exampleClient written for testing exampleCompositor
+wayland_client_dep = dependency('wayland-client')
+executable('exampleClient',
+	'exampleClient.c',
+	dependencies : [libds_declared_dep, wayland_client_dep],
+	install_dir : libds_prefix_bindir,
+	install : true
+	)
-- 
2.7.4