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authorPeter Hutterer <peter.hutterer@who-t.net>2020-06-23 16:20:08 +1000
committerPeter Hutterer <peter.hutterer@who-t.net>2020-06-25 10:32:08 +1000
commit3adbe54eacbb8dd3f23f9a4d1171ec0704a7fffb (patch)
tree00e5edfa80e351dd63f9177f02d8dcf12f94675f /tools/interactive-wayland.c
parentf525f9f0403c4881f32e65234d2647cd67dc826c (diff)
downloadxorg-lib-libxkbcommon-3adbe54eacbb8dd3f23f9a4d1171ec0704a7fffb.tar.gz
tools: move the remaining tools from test to here
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Diffstat (limited to 'tools/interactive-wayland.c')
-rw-r--r--tools/interactive-wayland.c712
1 files changed, 712 insertions, 0 deletions
diff --git a/tools/interactive-wayland.c b/tools/interactive-wayland.c
new file mode 100644
index 0000000..0ffccd0
--- /dev/null
+++ b/tools/interactive-wayland.c
@@ -0,0 +1,712 @@
+/*
+ * 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 "config.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "xkbcommon/xkbcommon.h"
+#include "tools-common.h"
+
+#include <wayland-client.h>
+#include "xdg-shell-client-protocol.h"
+#include <wayland-util.h>
+
+struct interactive_dpy {
+ struct wl_display *dpy;
+ struct wl_compositor *compositor;
+ struct xdg_wm_base *shell;
+ struct wl_shm *shm;
+ uint32_t shm_format;
+
+ struct xkb_context *ctx;
+
+ struct wl_surface *wl_surf;
+ struct xdg_surface *xdg_surf;
+ struct xdg_toplevel *xdg_top;
+
+ 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;
+
+#ifdef HAVE_MKOSTEMP
+static int
+create_tmpfile_cloexec(char *tmpname)
+{
+ int fd = mkostemp(tmpname, O_CLOEXEC);
+ if (fd >= 0)
+ unlink(tmpname);
+ return fd;
+}
+#else
+/* 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 = mkstemp(tmpname);
+ if (fd >= 0) {
+ fd = set_cloexec_or_close(fd);
+ unlink(tmpname);
+ }
+ return fd;
+}
+#endif
+
+/*
+ * 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.
+ */
+static 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;
+ default:
+ fprintf(stderr, "Unsupported SHM format %d\n", inter->shm_format);
+ exit(1);
+ }
+
+ 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_buffer_add_listener(buf, &buffer_listener, inter);
+
+ 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,
+ uint32_t serial)
+{
+ struct interactive_dpy *inter = data;
+
+ xdg_surface_ack_configure(inter->xdg_surf, serial);
+ wl_surface_commit(inter->wl_surf);
+}
+
+static const struct xdg_surface_listener surface_listener = {
+ surface_configure,
+};
+
+static void
+toplevel_configure(void *data, struct xdg_toplevel *toplevel,
+ int32_t width, int32_t height, struct wl_array *states)
+{
+ struct interactive_dpy *inter = data;
+
+ if (width == 0)
+ width = 200;
+ if (height == 0)
+ height = 200;
+
+ buffer_create(inter, width, height);
+}
+
+static void
+toplevel_close(void *data, struct xdg_toplevel *toplevel)
+{
+ terminate = true;
+}
+
+static const struct xdg_toplevel_listener toplevel_listener = {
+ toplevel_configure,
+ toplevel_close
+};
+
+static void surface_create(struct interactive_dpy *inter)
+{
+ inter->wl_surf = wl_compositor_create_surface(inter->compositor);
+ inter->xdg_surf = xdg_wm_base_get_xdg_surface(inter->shell, inter->wl_surf);
+ xdg_surface_add_listener(inter->xdg_surf, &surface_listener, inter);
+ inter->xdg_top = xdg_surface_get_toplevel(inter->xdg_surf);
+ xdg_toplevel_add_listener(inter->xdg_top, &toplevel_listener, inter);
+ xdg_toplevel_set_title(inter->xdg_top, "xkbcommon event tester");
+ xdg_toplevel_set_app_id(inter->xdg_top,
+ "org.xkbcommon.test.interactive-wayland");
+ wl_surface_commit(inter->wl_surf);
+}
+
+static void
+shell_ping(void *data, struct xdg_wm_base *shell, uint32_t serial)
+{
+ xdg_wm_base_pong(shell, serial);
+}
+
+static const struct xdg_wm_base_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,
+ XKB_KEYMAP_COMPILE_NO_FLAGS);
+ 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->state) {
+ 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);
+ tools_print_keycode_state(seat->state, NULL, key + 8,
+ XKB_CONSUMED_MODE_XKB);
+
+ /* 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_toplevel_move(seat->inter->xdg_top, 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);
+
+ xkb_state_unref(seat->state);
+ 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)
+{
+ int ret;
+ 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);
+ ret = asprintf(&seat->name_str, "seat:%d",
+ wl_proxy_get_id((struct wl_proxy *) seat->wl_seat));
+ assert(ret >= 0);
+ wl_list_insert(&inter->seats, &seat->link);
+}
+
+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);
+
+ xkb_state_unref(seat->state);
+ xkb_keymap_unref(seat->keymap);
+ }
+
+ if (seat->wl_pointer) {
+ if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+ wl_pointer_release(seat->wl_pointer);
+ else
+ wl_pointer_destroy(seat->wl_pointer);
+ }
+
+ if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
+ wl_seat_release(seat->wl_seat);
+ else
+ wl_seat_destroy(seat->wl_seat);
+
+ free(seat->name_str);
+ 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_wm_base") == 0) {
+ inter->shell = wl_registry_bind(registry, name,
+ &xdg_wm_base_interface,
+ MAX(version, 2));
+ xdg_wm_base_add_listener(inter->shell, &shell_listener, inter);
+ }
+ 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->xdg_top)
+ xdg_toplevel_destroy(inter->xdg_top);
+ if (inter->wl_surf)
+ wl_surface_destroy(inter->wl_surf);
+ if (inter->shell)
+ xdg_wm_base_destroy(inter->shell);
+ if (inter->compositor)
+ wl_compositor_destroy(inter->compositor);
+ if (inter->shm)
+ wl_shm_destroy(inter->shm);
+
+ /* Do one last roundtrip to try to destroy our wl_buffer. */
+ wl_display_roundtrip(inter->dpy);
+
+ 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 = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+ 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");
+ ret = -1;
+ goto err_conn;
+ }
+
+ surface_create(&inter);
+
+ tools_disable_stdin_echo();
+ do {
+ ret = wl_display_dispatch(inter.dpy);
+ } while (ret >= 0 && !terminate);
+ tools_enable_stdin_echo();
+
+ wl_registry_destroy(registry);
+err_conn:
+ dpy_disconnect(&inter);
+err_out:
+ exit(ret >= 0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}