2 * Copyright © 2014 Ran Benita <ran234@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
29 #include <sys/types.h>
33 #include "xkbcommon/xkbcommon-x11.h"
38 struct xkb_context *ctx = test_get_context(0);
39 struct xkb_keymap *keymap;
40 xcb_connection_t *conn;
44 char displayfd[128], display[128];
45 char *search_path, *search_path_arg, *xkb_path;
46 char *original, *dump;
47 char *envp[] = { NULL };
48 char *xvfb_argv[] = { "Xvfb", "-displayfd", displayfd, NULL };
50 char *xkbcomp_argv[] = { "xkbcomp", "-I", NULL /* search_path_arg */,
51 NULL /* xkb_path */, display, NULL };
55 * What all of this mess does is:
56 * 1. Launch Xvfb on the next available DISPLAY. Xvfb reports the
57 * display number to an fd passed with -displayfd once it's
58 * initialized. We pass a pipe there to read it.
59 * 2. Make an xcb connection to this display.
60 * 3. Launch xkbcomp to change the keymap of the new display (doing
61 * this programmatically is major work [which we may yet do some
62 * day for xkbcommon-x11] so we use xkbcomp for now).
63 * 4. Download the keymap back from the display using xkbcommon-x11.
64 * 5. Compare received keymap to the uploaded keymap.
65 * 6. Kill the server & clean up.
71 ret = snprintf(displayfd, sizeof(displayfd), "%d", pipefds[1]);
72 assert(ret >= 0 && ret < sizeof(displayfd));
74 ret = posix_spawnp(&xvfb_pid, "Xvfb", NULL, NULL, xvfb_argv, envp);
83 ret = read(pipefds[0], display + 1, sizeof(display) - 1);
84 if (ret <= 0 || 1 + ret >= sizeof(display) - 1) {
88 if (display[ret] == '\n')
90 display[1 + ret] = '\0';
93 conn = xcb_connect(display, NULL);
94 if (xcb_connection_has_error(conn)) {
98 ret = xkb_x11_setup_xkb_extension(conn,
99 XKB_X11_MIN_MAJOR_XKB_VERSION,
100 XKB_X11_MIN_MINOR_XKB_VERSION,
101 XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
102 NULL, NULL, NULL, NULL);
107 device_id = xkb_x11_get_core_keyboard_device_id(conn);
108 assert(device_id != -1);
110 xkb_path = test_get_path("keymaps/host.xkb");
111 search_path = test_get_path("");
113 ret = asprintf(&search_path_arg, "-I%s", search_path);
115 xkbcomp_argv[2] = search_path_arg;
116 xkbcomp_argv[3] = xkb_path;
117 ret = posix_spawnp(&xkbcomp_pid, "xkbcomp", NULL, NULL, xkbcomp_argv, envp);
118 free(search_path_arg);
125 ret = waitpid(xkbcomp_pid, &status, 0);
126 if (ret < 0 || !WIFEXITED(status) || WEXITSTATUS(status) != 0) {
131 keymap = xkb_x11_keymap_new_from_device(ctx, conn, device_id,
132 XKB_KEYMAP_COMPILE_NO_FLAGS);
135 original = test_read_file("keymaps/host.xkb");
138 dump = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
141 ret = streq(original, dump);
144 "round-trip test failed: dumped map differs from original\n");
145 fprintf(stderr, "length: dumped %lu, original %lu\n",
146 (unsigned long) strlen(dump),
147 (unsigned long) strlen(original));
148 fprintf(stderr, "dumped map:\n");
149 fprintf(stderr, "%s\n", dump);
158 xkb_keymap_unref(keymap);
160 xcb_disconnect(conn);
162 kill(xvfb_pid, SIGTERM);
164 xkb_context_unref(ctx);