kc3-lang/libxkbcommon

diff --git a/LICENSE b/LICENSE
index d96c428..3dcd039 100644
--- a/LICENSE
+++ b/LICENSE
@@ -20,7 +20,7 @@ BEGINNING OF SOFTWARE COPYRIGHT/LICENSE STATEMENTS:
 
 -------------------------------------------------------------------------------
 
-Copyright © 2009-2012 Daniel Stone
+Copyright © 2009-2012, 2016 Daniel Stone
 Copyright © 2012 Ran Benita <ran234@gmail.com>
 Copyright © 2010, 2012 Intel Corporation
 Copyright © 2008, 2009 Dan Nicholson
diff --git a/Makefile.am b/Makefile.am
index e91c484..1f8e219 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -254,6 +254,42 @@ test_interactive_x11_LDADD = $(TESTS_X11_LDADD)
 test_interactive_x11_CFLAGS = $(TESTS_X11_CFLAGS)
 endif ENABLE_X11
 
+if ENABLE_WAYLAND
+build_only_tests += \
+	test/interactive-wayland
+
+TESTS_WAYLAND_LDADD = $(WAYLAND_LIBS) $(TESTS_LDADD)
+TESTS_WAYLAND_CFLAGS = $(WAYLAND_CFLAGS)
+
+.SECONDEXPANSION:
+
+define protostability
+$(if $(findstring unstable,$1),unstable,stable)
+endef
+
+define protoname
+$(shell echo $1 | sed 's/\([a-z\-]\+\)-[a-z]\+-v[0-9]\+/\1/')
+endef
+
+%-protocol.c: $(WAYLAND_PROTOCOLS_DATADIR)/$$(call protostability,$$*)/$$(call protoname,$$*)/$$*.xml
+	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && $(wayland_scanner) code < $< > $@
+%-client-protocol.h: $(WAYLAND_PROTOCOLS_DATADIR)/$$(call protostability,$$*)/$$(call protoname,$$*)/$$*.xml
+	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && $(wayland_scanner) client-header < $< > $@
+
+INTERACTIVE_WL_XDG_SHELL_SRCS = \
+	xdg-shell-unstable-v5-protocol.c \
+	xdg-shell-unstable-v5-client-protocol.h
+
+test_interactive_wayland_SOURCES = \
+	test/interactive-wayland.c \
+	$(INTERACTIVE_WL_XDG_SHELL_SRCS)
+test_interactive_wayland_LDADD = $(TESTS_WAYLAND_LDADD)
+test_interactive_wayland_CFLAGS = $(TESTS_WAYLAND_CFLAGS)
+
+BUILT_SOURCES += \
+	$(INTERACTIVE_WL_XDG_SHELL_SRCS)
+endif
+
 check_PROGRAMS = $(build_run_tests) $(build_only_tests)
 TESTS = $(build_run_tests) $(run_only_tests)
 
diff --git a/configure.ac b/configure.ac
index cbaf51f..3f8de97 100644
--- a/configure.ac
+++ b/configure.ac
@@ -186,6 +186,25 @@ You can disable X11 support with --disable-x11.])])
 ], [enable_x11=no])
 AM_CONDITIONAL([ENABLE_X11], [test "x$enable_x11" = xyes])
 
+WAYLAND_PKGS="wayland-client >= 1.2.0 wayland-protocols >= 1.0 wayland-scanner"
+AC_ARG_ENABLE([wayland],
+    [AS_HELP_STRING([--disable-wayland],
+        [Disable support for Wayland utility programs (default: auto)])],
+    [], [enable_wayland=auto])
+AS_IF([test "x$enable_wayland" = xauto], [
+    PKG_CHECK_EXISTS($WAYLAND_PKGS, [enable_wayland=yes], [enable_wayland=no])],
+    [])
+AS_IF([test "x$enable_wayland" = xyes], [
+    PKG_CHECK_MODULES([WAYLAND], $WAYLAND_PKGS, [],
+        [AC_MSG_ERROR([Wayland utilities require libwayland-client >= 1.2 which was not found. \
+You can disable Wayland support with --disable-wayland.])])
+    AC_PATH_PROG([wayland_scanner], [wayland-scanner])
+    wayland_scanner=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
+    ac_wayland_protocols_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
+    AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, $ac_wayland_protocols_pkgdatadir)
+], [enable_wayland=no])
+AM_CONDITIONAL([ENABLE_WAYLAND], [test "x$enable_wayland" = xyes])
+
 AC_CONFIG_FILES([
     Makefile
     xkbcommon-uninstalled.pc
@@ -201,6 +220,7 @@ AC_MSG_RESULT([
 
         libxkbcommon:            yes
         libxkbcommon-x11:        ${enable_x11}
+        Wayland utilities:       ${enable_wayland}
         documentation:           ${build_docs}
 
         default XKB rules:       ${DEFAULT_XKB_RULES}
diff --git a/test/.gitignore b/test/.gitignore
index 626eb19..1be56ad 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -17,6 +17,7 @@ print-compiled-keymap
 atom
 x11
 interactive-x11
+interactive-wayland
 utf8
 x11comp
 compose
diff --git a/test/interactive-wayland.c b/test/interactive-wayland.c
new file mode 100644
index 0000000..7919ff7
--- /dev/null
+++ b/test/interactive-wayland.c
@@ -0,0 +1,680 @@
+/*
+ * Copyright © 2012 Collabora, Ltd.
+ * Copyright © 2013 Ran Benita <ran234@gmail.com>
+ * Copyright © 2016 Daniel Stone <daniel@fooishbar.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "xkbcommon/xkbcommon.h"
+#include "test.h"
+
+#include <wayland-client.h>
+#include "xdg-shell-unstable-v5-client-protocol.h"
+#include <wayland-util.h>
+
+struct interactive_dpy {
+	struct wl_display *dpy;
+	struct wl_compositor *compositor;
+	struct xdg_shell *shell;
+	struct wl_shm *shm;
+	uint32_t shm_format;
+
+	struct xkb_context *ctx;
+
+	struct wl_surface *wl_surf;
+	struct xdg_surface *xdg_surf;
+
+	struct wl_list seats;
+};
+
+struct interactive_seat {
+	struct interactive_dpy *inter;
+
+	struct wl_seat *wl_seat;
+	struct wl_keyboard *wl_kbd;
+	struct wl_pointer *wl_pointer;
+	uint32_t version; /* ... of wl_seat */
+	uint32_t global_name; /* an ID of sorts */
+	char *name_str; /* a descriptor */
+
+	struct xkb_keymap *keymap;
+	struct xkb_state *state;
+
+	struct wl_list link;
+};
+
+static bool terminate;
+
+/* The following utility functions are taken from Weston's
+ * shared/os-compatibility.c. */
+static int
+os_fd_set_cloexec(int fd)
+{
+	long flags;
+
+	if (fd == -1)
+		return -1;
+
+	flags = fcntl(fd, F_GETFD);
+	if (flags == -1)
+		return -1;
+
+	if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
+		return -1;
+
+	return 0;
+}
+
+static int
+set_cloexec_or_close(int fd)
+{
+	if (os_fd_set_cloexec(fd) != 0) {
+		close(fd);
+		return -1;
+	}
+	return fd;
+}
+
+static int
+create_tmpfile_cloexec(char *tmpname)
+{
+	int fd;
+
+#ifdef HAVE_MKOSTEMP
+	fd = mkostemp(tmpname, O_CLOEXEC);
+	if (fd >= 0)
+		unlink(tmpname);
+#else
+	fd = mkstemp(tmpname);
+	if (fd >= 0) {
+		fd = set_cloexec_or_close(fd);
+		unlink(tmpname);
+	}
+#endif
+
+	return fd;
+}
+
+/*
+ * Create a new, unique, anonymous file of the given size, and
+ * return the file descriptor for it. The file descriptor is set
+ * CLOEXEC. The file is immediately suitable for mmap()'ing
+ * the given size at offset zero.
+ *
+ * The file should not have a permanent backing store like a disk,
+ * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
+ *
+ * The file name is deleted from the file system.
+ *
+ * The file is suitable for buffer sharing between processes by
+ * transmitting the file descriptor over Unix sockets using the
+ * SCM_RIGHTS methods.
+ *
+ * If the C library implements posix_fallocate(), it is used to
+ * guarantee that disk space is available for the file at the
+ * given size. If disk space is insufficent, errno is set to ENOSPC.
+ * If posix_fallocate() is not supported, program may receive
+ * SIGBUS on accessing mmap()'ed file contents instead.
+ */
+int
+os_create_anonymous_file(off_t size)
+{
+	static const char template[] = "/weston-shared-XXXXXX";
+	const char *path;
+	char *name;
+	int fd;
+	int ret;
+
+	path = getenv("XDG_RUNTIME_DIR");
+	if (!path) {
+		errno = ENOENT;
+		return -1;
+	}
+
+	name = malloc(strlen(path) + sizeof(template));
+	if (!name)
+		return -1;
+
+	strcpy(name, path);
+	strcat(name, template);
+
+	fd = create_tmpfile_cloexec(name);
+
+	free(name);
+
+	if (fd < 0)
+		return -1;
+
+#ifdef HAVE_POSIX_FALLOCATE
+	ret = posix_fallocate(fd, 0, size);
+	if (ret != 0) {
+		close(fd);
+		errno = ret;
+		return -1;
+	}
+#else
+	ret = ftruncate(fd, size);
+	if (ret < 0) {
+		close(fd);
+		return -1;
+	}
+#endif
+
+	return fd;
+}
+
+static void
+buffer_release(void *data, struct wl_buffer *buffer)
+{
+	wl_buffer_destroy(buffer);
+}
+
+static const struct wl_buffer_listener buffer_listener = {
+	buffer_release
+};
+
+static void
+buffer_create(struct interactive_dpy *inter, uint32_t width, uint32_t height)
+{
+	struct wl_shm_pool *pool;
+	struct wl_buffer *buf;
+	struct wl_region *opaque;
+	uint32_t stride;
+	size_t size;
+	void *map;
+	int fd;
+
+	switch (inter->shm_format) {
+	case WL_SHM_FORMAT_ARGB8888:
+	case WL_SHM_FORMAT_XRGB8888:
+	case WL_SHM_FORMAT_ABGR8888:
+	case WL_SHM_FORMAT_XBGR8888:
+		stride = width * 4;
+		break;
+	case WL_SHM_FORMAT_RGB565:
+	case WL_SHM_FORMAT_BGR565:
+		stride = width * 2;
+		break;
+	}
+
+	size = stride * height;
+	fd = os_create_anonymous_file(size);
+	if (fd < 0) {
+		fprintf(stderr, "Couldn't create surface buffer\n");
+		exit(1);
+	}
+
+	map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+	if (map == MAP_FAILED) {
+		fprintf(stderr, "Couldn't mmap surface buffer\n");
+		exit(1);
+	}
+	memset(map, 0xff, size);
+	munmap(map, size);
+
+	pool = wl_shm_create_pool(inter->shm, fd, size);
+	buf = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
+	                                inter->shm_format);
+
+	wl_surface_attach(inter->wl_surf, buf, 0, 0);
+	wl_surface_damage(inter->wl_surf, 0, 0, width, height);
+
+	opaque = wl_compositor_create_region(inter->compositor);
+	wl_region_add(opaque, 0, 0, width, height);
+	wl_surface_set_opaque_region(inter->wl_surf, opaque);
+	wl_region_destroy(opaque);
+
+	wl_shm_pool_destroy(pool);
+	close(fd);
+}
+
+static void
+surface_configure(void *data, struct xdg_surface *surface,
+                  int32_t width, int32_t height, struct wl_array *states,
+		  uint32_t serial)
+{
+	struct interactive_dpy *inter = data;
+
+	if (width == 0 || height == 0) {
+		xdg_surface_ack_configure(inter->xdg_surf, serial);
+		return;
+	}
+
+	buffer_create(inter, width, height);
+	xdg_surface_ack_configure(inter->xdg_surf, serial);
+	wl_surface_commit(inter->wl_surf);
+}
+
+static void
+surface_close(void *data, struct xdg_surface *surface)
+{
+	terminate = true;
+}
+
+static const struct xdg_surface_listener surface_listener = {
+	surface_configure,
+	surface_close
+};
+
+static int surface_create(struct interactive_dpy *inter)
+{
+	int width = 200, height = 200;
+
+	inter->wl_surf = wl_compositor_create_surface(inter->compositor);
+	inter->xdg_surf = xdg_shell_get_xdg_surface(inter->shell,
+	                                            inter->wl_surf);
+	xdg_surface_add_listener(inter->xdg_surf, &surface_listener, inter);
+	xdg_surface_set_title(inter->xdg_surf, "xkbcommon event tester");
+	xdg_surface_set_app_id(inter->xdg_surf,
+	                       "org.xkbcommon.test.interactive-wayland");
+
+	buffer_create(inter, width, height);
+	wl_surface_commit(inter->wl_surf);
+}
+
+static void
+shell_ping(void *data, struct xdg_shell *shell, uint32_t serial)
+{
+	xdg_shell_pong(shell, serial);
+}
+
+static const struct xdg_shell_listener shell_listener = {
+	shell_ping
+};
+
+static void
+kbd_keymap(void *data, struct wl_keyboard *wl_kbd, uint32_t format,
+           int fd, uint32_t size)
+{
+	struct interactive_seat *seat = data;
+	void *buf;
+
+	buf = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+	if (buf == MAP_FAILED) {
+		fprintf(stderr, "Failed to mmap keymap: %d\n", errno);
+		close(fd);
+		return;
+	}
+
+	seat->keymap = xkb_keymap_new_from_buffer(seat->inter->ctx, buf, size - 1,
+	                                          XKB_KEYMAP_FORMAT_TEXT_V1, 0);
+	munmap(buf, size);
+	close(fd);
+	if (!seat->keymap) {
+		fprintf(stderr, "Failed to compile keymap!\n");
+		return;
+	}
+
+	seat->state = xkb_state_new(seat->keymap);
+	if (!seat->keymap) {
+		fprintf(stderr, "Failed to create XKB state!\n");
+		return;
+	}
+}
+
+static void
+kbd_enter(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
+          struct wl_surface *surf, struct wl_array *keys)
+{
+}
+
+static void
+kbd_leave(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
+          struct wl_surface *surf)
+{
+}
+
+static void
+kbd_key(void *data, struct wl_keyboard *wl_kbd, uint32_t serial, uint32_t time,
+        uint32_t key, uint32_t state)
+{
+	struct interactive_seat *seat = data;
+
+	if (state != WL_KEYBOARD_KEY_STATE_PRESSED)
+		return;
+
+	printf("%s: ", seat->name_str);
+	test_print_keycode_state(seat->state, NULL, key + 8);
+
+	/* Exit on ESC. */
+	if (xkb_state_key_get_one_sym(seat->state, key + 8) == XKB_KEY_Escape)
+		terminate = true;
+}
+
+static void
+kbd_modifiers(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
+	      uint32_t mods_depressed, uint32_t mods_latched,
+	      uint32_t mods_locked, uint32_t group)
+{
+	struct interactive_seat *seat = data;
+
+	xkb_state_update_mask(seat->state, mods_depressed, mods_latched,
+	                      mods_locked, 0, 0, group);
+}
+
+static void
+kbd_repeat_info(void *data, struct wl_keyboard *wl_kbd, int32_t rate,
+                int32_t delay)
+{
+}
+
+static const struct wl_keyboard_listener kbd_listener = {
+	kbd_keymap,
+	kbd_enter,
+	kbd_leave,
+	kbd_key,
+	kbd_modifiers,
+	kbd_repeat_info
+};
+
+static void
+pointer_enter(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
+              struct wl_surface *surf, wl_fixed_t fsx, wl_fixed_t fsy)
+{
+}
+
+static void
+pointer_leave(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
+              struct wl_surface *surf)
+{
+}
+
+static void
+pointer_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time,
+               wl_fixed_t fsx, wl_fixed_t fsy)
+{
+}
+
+static void
+pointer_button(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
+               uint32_t time, uint32_t button, uint32_t state)
+{
+	struct interactive_seat *seat = data;
+
+	xdg_surface_move(seat->inter->xdg_surf, seat->wl_seat, serial);
+}
+
+static void
+pointer_axis(void *data, struct wl_pointer *wl_pointer, uint32_t time,
+             uint32_t axis, wl_fixed_t value)
+{
+}
+
+static void
+pointer_frame(void *data, struct wl_pointer *wl_pointer)
+{
+}
+
+static void
+pointer_axis_source(void *data, struct wl_pointer *wl_pointer, uint32_t source)
+{
+}
+
+static void
+pointer_axis_stop(void *data, struct wl_pointer *wl_pointer, uint32_t time,
+                  uint32_t axis)
+{
+}
+
+static void
+pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer, uint32_t time,
+                      int32_t discrete)
+{
+}
+
+static const struct wl_pointer_listener pointer_listener = {
+	pointer_enter,
+	pointer_leave,
+	pointer_motion,
+	pointer_button,
+	pointer_axis,
+	pointer_frame,
+	pointer_axis_source,
+	pointer_axis_stop,
+	pointer_axis_discrete
+};
+
+static void
+seat_capabilities(void *data, struct wl_seat *wl_seat, uint32_t caps)
+{
+	struct interactive_seat *seat = data;
+
+	if (!seat->wl_kbd && (caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
+		seat->wl_kbd = wl_seat_get_keyboard(seat->wl_seat);
+		wl_keyboard_add_listener(seat->wl_kbd, &kbd_listener, seat);
+	}
+	else if (seat->wl_kbd && !(caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
+		if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+			wl_keyboard_release(seat->wl_kbd);
+		else
+			wl_keyboard_destroy(seat->wl_kbd);
+
+		if (seat->state)
+			xkb_state_unref(seat->state);
+		if (seat->keymap)
+			xkb_keymap_unref(seat->keymap);
+
+		seat->state = NULL;
+		seat->keymap = NULL;
+		seat->wl_kbd = NULL;
+	}
+
+	if (!seat->wl_pointer && (caps & WL_SEAT_CAPABILITY_POINTER)) {
+		seat->wl_pointer = wl_seat_get_pointer(seat->wl_seat);
+		wl_pointer_add_listener(seat->wl_pointer, &pointer_listener,
+		                        seat);
+	}
+	else if (seat->wl_pointer && !(caps & WL_SEAT_CAPABILITY_POINTER)) {
+		if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+			wl_pointer_release(seat->wl_pointer);
+		else
+			wl_pointer_destroy(seat->wl_pointer);
+		seat->wl_pointer = NULL;
+	}
+}
+
+static void
+seat_name(void *data, struct wl_seat *wl_seat, const char *name)
+{
+	struct interactive_seat *seat = data;
+
+	free(seat->name_str);
+	seat->name_str = strdup(name);
+}
+
+static const struct wl_seat_listener seat_listener = {
+	seat_capabilities,
+	seat_name
+};
+
+static void
+seat_create(struct interactive_dpy *inter, struct wl_registry *registry,
+            uint32_t name, uint32_t version)
+{
+	struct interactive_seat *seat = calloc(1, sizeof(*seat));
+
+	seat->global_name = name;
+	seat->inter = inter;
+	seat->wl_seat = wl_registry_bind(registry, name, &wl_seat_interface,
+	                                 MAX(version, 5));
+	wl_seat_add_listener(seat->wl_seat, &seat_listener, seat);
+	asprintf(&seat->name_str, "seat:%d",
+	         wl_proxy_get_id((struct wl_proxy *) seat->wl_seat));
+}
+
+static void
+seat_destroy(struct interactive_seat *seat)
+{
+	if (seat->wl_kbd) {
+		if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+			wl_keyboard_release(seat->wl_kbd);
+		else
+			wl_keyboard_destroy(seat->wl_kbd);
+
+		if (seat->state)
+			xkb_state_unref(seat->state);
+		if (seat->keymap)
+			xkb_keymap_unref(seat->keymap);
+	}
+
+	if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+		wl_seat_release(seat->wl_seat);
+	else
+		wl_seat_destroy(seat->wl_seat);
+
+	wl_list_remove(&seat->link);
+	free(seat);
+}
+
+static void
+registry_global(void *data, struct wl_registry *registry, uint32_t name,
+		const char *interface, uint32_t version)
+{
+	struct interactive_dpy *inter = data;
+
+	if (strcmp(interface, "wl_seat") == 0) {
+		seat_create(inter, registry, name, version);
+	}
+	else if (strcmp(interface, "xdg_shell") == 0) {
+		inter->shell = wl_registry_bind(registry, name,
+		                                &xdg_shell_interface,
+		                                MAX(version, 1));
+		xdg_shell_add_listener(inter->shell, &shell_listener, inter);
+		xdg_shell_use_unstable_version(inter->shell, 5);
+	}
+	else if (strcmp(interface, "wl_compositor") == 0) {
+		inter->compositor = wl_registry_bind(registry, name,
+		                                     &wl_compositor_interface,
+						     MAX(version, 1));
+	}
+	else if (strcmp(interface, "wl_shm") == 0) {
+		inter->shm = wl_registry_bind(registry, name, &wl_shm_interface,
+                                              MAX(version, 1));
+	}
+}
+
+static void
+registry_delete(void *data, struct wl_registry *registry, uint32_t name)
+{
+	struct interactive_dpy *inter = data;
+	struct interactive_seat *seat, *tmp;
+
+	wl_list_for_each_safe(seat, tmp, &inter->seats, link) {
+		if (seat->global_name != name)
+			continue;
+
+		seat_destroy(seat);
+	}
+}
+
+static const struct wl_registry_listener registry_listener = {
+	registry_global,
+	registry_delete
+};
+
+static void
+dpy_disconnect(struct interactive_dpy *inter)
+{
+	struct interactive_seat *seat, *tmp;
+
+	wl_list_for_each_safe(seat, tmp, &inter->seats, link)
+		seat_destroy(seat);
+
+	if (inter->xdg_surf)
+		xdg_surface_destroy(inter->xdg_surf);
+	if (inter->wl_surf)
+		wl_surface_destroy(inter->wl_surf);
+	if (inter->shell)
+		xdg_shell_destroy(inter->shell);
+
+	xkb_context_unref(inter->ctx);
+	wl_display_disconnect(inter->dpy);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int ret;
+	struct interactive_dpy inter;
+	struct wl_registry *registry;
+
+	setlocale(LC_ALL, "");
+
+	memset(&inter, 0, sizeof(inter));
+	wl_list_init(&inter.seats);
+
+	inter.dpy = wl_display_connect(NULL);
+	if (!inter.dpy) {
+		fprintf(stderr, "Couldn't connect to Wayland server\n");
+		ret = -1;
+		goto err_out;
+	}
+
+	inter.ctx = test_get_context(0);
+	if (!inter.ctx) {
+		ret = -1;
+		fprintf(stderr, "Couldn't create xkb context\n");
+		goto err_out;
+	}
+
+	registry = wl_display_get_registry(inter.dpy);
+	wl_registry_add_listener(registry, &registry_listener, &inter);
+
+	/* The first roundtrip gets the list of advertised globals. */
+	wl_display_roundtrip(inter.dpy);
+
+	/* The second roundtrip dispatches the events sent after binding, e.g.
+	 * after binding to wl_seat globals in the first roundtrip, we will get
+	 * the wl_seat::capabilities event in this roundtrip. */
+	wl_display_roundtrip(inter.dpy);
+
+	if (!inter.shell || !inter.shm || !inter.compositor) {
+		fprintf(stderr, "Required Wayland interfaces %s%s%s unsupported\n",
+		        (inter.shell) ? "" : "xdg_shell ",
+			(inter.shm) ? "" : "wl_shm",
+			(inter.compositor) ? "" : "wl_compositor");
+		goto err_conn;
+	}
+
+	ret = surface_create(&inter);
+	if (ret) {
+		fprintf(stderr, "Couldn't create a capture window\n");
+		goto err_conn;
+	}
+
+	(void) system("stty -echo");
+	do {
+		ret = wl_display_dispatch(inter.dpy);
+	} while (ret >= 0 && !terminate);
+	(void) system("stty echo");
+
+err_conn:
+	dpy_disconnect(&inter);
+err_out:
+	exit(ret >= 0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}