--- /dev/null
+/*
+ * Copyright © 2013 Ran Benita <ran234@gmail.com>
+ *
+ * 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 <locale.h>
+
+#include "xkbcommon/xkbcommon-x11.h"
+#include "test.h"
+
+#include <xcb/xkb.h>
+
+/*
+ * Note: This program only handles the core keyboard device for now.
+ * It should be straigtforward to change struct keyboard to a list of
+ * keyboards with device IDs, as in test/interactive-evdev.c. This would
+ * require:
+ *
+ * - Initially listing the keyboard devices.
+ * - Listening to device changes.
+ * - Matching events to their devices.
+ *
+ * XKB itself knows about xinput1 devices, and most requests and events are
+ * device-specific.
+ *
+ * In order to list the devices and react to changes, you need xinput1/2.
+ * You also need xinput for the key press/release event, since the core
+ * protocol key press event does not carry a device ID to match on.
+ */
+
+struct keyboard {
+ xcb_connection_t *conn;
+ uint8_t first_xkb_event;
+ struct xkb_context *ctx;
+
+ struct xkb_keymap *keymap;
+ struct xkb_state *state;
+ int32_t device_id;
+};
+
+static bool terminate;
+
+static int
+select_xkb_events_for_device(xcb_connection_t *conn, int32_t device_id)
+{
+ static const xcb_xkb_map_part_t required_map_parts =
+ (XCB_XKB_MAP_PART_KEY_TYPES |
+ XCB_XKB_MAP_PART_KEY_SYMS |
+ XCB_XKB_MAP_PART_MODIFIER_MAP |
+ XCB_XKB_MAP_PART_EXPLICIT_COMPONENTS |
+ XCB_XKB_MAP_PART_KEY_ACTIONS |
+ XCB_XKB_MAP_PART_VIRTUAL_MODS |
+ XCB_XKB_MAP_PART_VIRTUAL_MOD_MAP);
+
+ static const xcb_xkb_event_type_t required_events =
+ (XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY |
+ XCB_XKB_EVENT_TYPE_MAP_NOTIFY |
+ XCB_XKB_EVENT_TYPE_STATE_NOTIFY);
+
+ xcb_void_cookie_t cookie =
+ xcb_xkb_select_events_checked(conn,
+ device_id,
+ required_events,
+ 0,
+ required_events,
+ required_map_parts,
+ required_map_parts,
+ 0);
+
+ xcb_generic_error_t *error = xcb_request_check(conn, cookie);
+ if (error) {
+ free(error);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+update_keymap(struct keyboard *kbd)
+{
+ struct xkb_keymap *new_keymap;
+ struct xkb_state *new_state;
+
+ new_keymap = xkb_x11_keymap_new_from_device(kbd->ctx, kbd->conn,
+ kbd->device_id, 0);
+ if (!new_keymap)
+ goto err_out;
+
+ new_state = xkb_x11_state_new_from_device(new_keymap, kbd->conn,
+ kbd->device_id);
+ if (!new_state)
+ goto err_keymap;
+
+ if (kbd->keymap)
+ printf("Keymap updated!\n");
+
+ xkb_state_unref(kbd->state);
+ xkb_keymap_unref(kbd->keymap);
+ kbd->keymap = new_keymap;
+ kbd->state = new_state;
+ return 0;
+
+err_keymap:
+ xkb_keymap_unref(new_keymap);
+err_out:
+ return -1;
+}
+
+static int
+init_kbd(struct keyboard *kbd, xcb_connection_t *conn, uint8_t first_xkb_event,
+ int32_t device_id, struct xkb_context *ctx)
+{
+ int ret;
+
+ kbd->conn = conn;
+ kbd->first_xkb_event = first_xkb_event;
+ kbd->ctx = ctx;
+ kbd->keymap = NULL;
+ kbd->state = NULL;
+ kbd->device_id = device_id;
+
+ ret = update_keymap(kbd);
+ if (ret)
+ goto err_out;
+
+ ret = select_xkb_events_for_device(conn, device_id);
+ if (ret)
+ goto err_state;
+
+ return 0;
+
+err_state:
+ xkb_state_unref(kbd->state);
+ xkb_keymap_unref(kbd->keymap);
+err_out:
+ return -1;
+}
+
+static void
+deinit_kbd(struct keyboard *kbd)
+{
+ xkb_state_unref(kbd->state);
+ xkb_keymap_unref(kbd->keymap);
+}
+
+static void
+process_xkb_event(xcb_generic_event_t *gevent, struct keyboard *kbd)
+{
+ union xkb_event {
+ struct {
+ uint8_t response_type;
+ uint8_t xkbType;
+ uint16_t sequence;
+ xcb_timestamp_t time;
+ uint8_t deviceID;
+ } any;
+ xcb_xkb_new_keyboard_notify_event_t new_keyboard_notify;
+ xcb_xkb_map_notify_event_t map_notify;
+ xcb_xkb_state_notify_event_t state_notify;
+ } *event = (union xkb_event *) gevent;
+
+ if (event->any.deviceID != kbd->device_id)
+ return;
+
+ /*
+ * XkbNewKkdNotify and XkbMapNotify together capture all sorts of keymap
+ * updates (e.g. xmodmap, xkbcomp, setxkbmap), with minimal redundent
+ * recompilations.
+ */
+ switch (event->any.xkbType) {
+ case XCB_XKB_NEW_KEYBOARD_NOTIFY:
+ if (event->new_keyboard_notify.changed & XCB_XKB_NKN_DETAIL_KEYCODES)
+ update_keymap(kbd);
+ break;
+
+ case XCB_XKB_MAP_NOTIFY:
+ update_keymap(kbd);
+ break;
+
+ case XCB_XKB_STATE_NOTIFY:
+ xkb_state_update_mask(kbd->state,
+ event->state_notify.baseMods,
+ event->state_notify.latchedMods,
+ event->state_notify.lockedMods,
+ event->state_notify.baseGroup,
+ event->state_notify.latchedGroup,
+ event->state_notify.lockedGroup);
+ break;
+ }
+}
+
+static void
+process_event(xcb_generic_event_t *gevent, struct keyboard *kbd)
+{
+ switch (gevent->response_type) {
+ case XCB_KEY_PRESS: {
+ xcb_key_press_event_t *event = (xcb_key_press_event_t *) gevent;
+ xkb_keycode_t keycode = event->detail;
+
+ test_print_keycode_state(kbd->state, keycode);
+
+ /* Exit on ESC. */
+ if (keycode == 9)
+ terminate = true;
+ break;
+ }
+ default:
+ if (gevent->response_type == kbd->first_xkb_event)
+ process_xkb_event(gevent, kbd);
+ break;
+ }
+}
+
+static int
+loop(xcb_connection_t *conn, struct keyboard *kbd)
+{
+ while (!terminate) {
+ xcb_generic_event_t *event;
+
+ switch (xcb_connection_has_error(conn)) {
+ case 0:
+ break;
+ case XCB_CONN_ERROR:
+ fprintf(stderr,
+ "Closed connection to X server: connection error\n");
+ return -1;
+ case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
+ fprintf(stderr,
+ "Closed connection to X server: extension not supported\n");
+ return -1;
+ default:
+ fprintf(stderr,
+ "Closed connection to X server: error code %d\n",
+ xcb_connection_has_error(conn));
+ return -1;
+ }
+
+ event = xcb_wait_for_event(conn);
+ process_event(event, kbd);
+ free(event);
+ }
+
+ return 0;
+}
+
+static int
+create_capture_window(xcb_connection_t *conn)
+{
+ xcb_generic_error_t *error;
+ xcb_void_cookie_t cookie;
+ xcb_screen_t *screen =
+ xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
+ xcb_window_t window = xcb_generate_id(conn);
+ uint32_t values[2] = {
+ screen->white_pixel,
+ XCB_EVENT_MASK_KEY_PRESS,
+ };
+
+ cookie = xcb_create_window_checked(conn, XCB_COPY_FROM_PARENT,
+ window, screen->root,
+ 10, 10, 100, 100, 1,
+ XCB_WINDOW_CLASS_INPUT_OUTPUT,
+ screen->root_visual,
+ XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
+ values);
+ if ((error = xcb_request_check(conn, cookie)) != NULL) {
+ free(error);
+ return -1;
+ }
+
+ cookie = xcb_map_window_checked(conn, window);
+ if ((error = xcb_request_check(conn, cookie)) != NULL) {
+ free(error);
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+ int ret;
+ xcb_connection_t *conn;
+ uint8_t first_xkb_event;
+ int32_t core_kbd_device_id;
+ struct xkb_context *ctx;
+ struct keyboard core_kbd;
+
+ setlocale(LC_ALL, "");
+
+ conn = xcb_connect(NULL, NULL);
+ if (!conn || xcb_connection_has_error(conn)) {
+ fprintf(stderr, "Couldn't connect to X server: error code %d\n",
+ conn ? xcb_connection_has_error(conn) : -1);
+ ret = -1;
+ goto err_out;
+ }
+
+ ret = xkb_x11_setup_xkb_extension(conn,
+ XKB_X11_MIN_MAJOR_XKB_VERSION,
+ XKB_X11_MIN_MINOR_XKB_VERSION,
+ XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
+ NULL, NULL, &first_xkb_event, NULL);
+ if (!ret) {
+ fprintf(stderr, "Couldn't setup XKB extension\n");
+ goto err_conn;
+ }
+
+ ctx = test_get_context(0);
+ if (!ctx) {
+ ret = -1;
+ fprintf(stderr, "Couldn't create xkb context\n");
+ goto err_conn;
+ }
+
+ core_kbd_device_id = xkb_x11_get_core_keyboard_device_id(conn);
+ if (core_kbd_device_id == -1) {
+ ret = -1;
+ fprintf(stderr, "Couldn't find core keyboard device\n");
+ goto err_ctx;
+ }
+
+ ret = init_kbd(&core_kbd, conn, first_xkb_event, core_kbd_device_id, ctx);
+ if (ret) {
+ fprintf(stderr, "Couldn't initialize core keyboard device\n");
+ goto err_ctx;
+ }
+
+ ret = create_capture_window(conn);
+ if (ret) {
+ fprintf(stderr, "Couldn't create a capture window\n");
+ goto err_core_kbd;
+ }
+
+ system("stty -echo");
+ ret = loop(conn, &core_kbd);
+ system("stty echo");
+
+err_core_kbd:
+ deinit_kbd(&core_kbd);
+err_ctx:
+ xkb_context_unref(ctx);
+err_conn:
+ xcb_disconnect(conn);
+err_out:
+ exit(ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}
--- /dev/null
+/*
+ * Copyright © 2013 Ran Benita <ran234@gmail.com>
+ *
+ * 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 "test.h"
+#include "xkbcommon/xkbcommon-x11.h"
+
+int
+main(void)
+{
+ struct xkb_context *ctx = test_get_context(0);
+ xcb_connection_t *conn;
+ int ret;
+ int32_t device_id;
+ struct xkb_keymap *keymap;
+ struct xkb_state *state;
+ char *dump;
+
+ /*
+ * The next two steps depend on a running X server with XKB support.
+ * If it fails, it's not necessarily an actual problem with the code.
+ * So we don't want a FAIL here.
+ */
+ conn = xcb_connect(NULL, NULL);
+ if (!conn || xcb_connection_has_error(conn))
+ return SKIP_TEST;
+
+ ret = xkb_x11_setup_xkb_extension(conn,
+ XKB_X11_MIN_MAJOR_XKB_VERSION,
+ XKB_X11_MIN_MINOR_XKB_VERSION,
+ XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
+ NULL, NULL, NULL, NULL);
+ if (!ret)
+ return SKIP_TEST;
+
+ device_id = xkb_x11_get_core_keyboard_device_id(conn);
+ assert(device_id != -1);
+
+ keymap = xkb_x11_keymap_new_from_device(ctx, conn, device_id,
+ XKB_MAP_COMPILE_NO_FLAGS);
+ assert(keymap);
+
+ state = xkb_x11_state_new_from_device(keymap, conn, device_id);
+ assert(state);
+
+ dump = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
+ assert(dump);
+ fputs(dump, stdout);
+
+ /* TODO: Write some X11-specific tests. */
+
+ free(dump);
+ xkb_state_unref(state);
+ xkb_keymap_unref(keymap);
+ xcb_disconnect(conn);
+ xkb_context_unref(ctx);
+
+ return 0;
+}
projects / platform / upstream / libxkbcommon.git / commitdiff