Ejemplo n.º 1
0
void X11WindowedBackend::grabKeyboard(xcb_timestamp_t time)
{
    const bool oldState = m_keyboardGrabbed;
    if (m_keyboardGrabbed) {
        xcb_ungrab_keyboard(m_connection, time);
        xcb_ungrab_pointer(m_connection, time);
        m_keyboardGrabbed = false;
    } else {
        const auto c = xcb_grab_keyboard_unchecked(m_connection, false, window(), time,
                                                   XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
        ScopedCPointer<xcb_grab_keyboard_reply_t> grab(xcb_grab_keyboard_reply(m_connection, c, nullptr));
        if (grab.isNull()) {
            return;
        }
        if (grab->status == XCB_GRAB_STATUS_SUCCESS) {
            const auto c = xcb_grab_pointer_unchecked(m_connection, false, window(),
                                                      XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
                                                      XCB_EVENT_MASK_POINTER_MOTION |
                                                      XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW,
                                                      XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
                                                      window(), XCB_CURSOR_NONE, time);
            ScopedCPointer<xcb_grab_pointer_reply_t> grab(xcb_grab_pointer_reply(m_connection, c, nullptr));
            if (grab.isNull() || grab->status != XCB_GRAB_STATUS_SUCCESS) {
                xcb_ungrab_keyboard(m_connection, time);
                return;
            }
            m_keyboardGrabbed = true;
        }
    }
    if (oldState != m_keyboardGrabbed) {
        updateWindowTitle();
        xcb_flush(m_connection);
    }
}
Ejemplo n.º 2
0
/*
 * Repeatedly tries to grab pointer and keyboard (up to 1000 times).
 *
 */
void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor) {
    xcb_grab_pointer_cookie_t pcookie;
    xcb_grab_pointer_reply_t *preply;

    xcb_grab_keyboard_cookie_t kcookie;
    xcb_grab_keyboard_reply_t *kreply;

    int tries = 10000;

    while (tries-- > 0) {
        pcookie = xcb_grab_pointer(
            conn,
            false,               /* get all pointer events specified by the following mask */
            screen->root,        /* grab the root window */
            XCB_NONE,            /* which events to let through */
            XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
            XCB_GRAB_MODE_ASYNC, /* keyboard mode */
            XCB_NONE,            /* confine_to = in which window should the cursor stay */
            cursor,              /* we change the cursor to whatever the user wanted */
            XCB_CURRENT_TIME
        );

        if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) &&
            preply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(preply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);
    }

    while (tries-- > 0) {
        kcookie = xcb_grab_keyboard(
            conn,
            true,                /* report events */
            screen->root,        /* grab the root window */
            XCB_CURRENT_TIME,
            XCB_GRAB_MODE_ASYNC, /* process events as normal, do not require sync */
            XCB_GRAB_MODE_ASYNC
        );

        if ((kreply = xcb_grab_keyboard_reply(conn, kcookie, NULL)) &&
            kreply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(kreply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);
    }

    if (tries <= 0)
        errx(EXIT_FAILURE, "Cannot grab pointer/keyboard");
}
Ejemplo n.º 3
0
static bool grab_keyboard(xcb_connection_t *conn, xcb_screen_t *screen) {
    xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(conn,
        true,
        screen->root,
        XCB_CURRENT_TIME,
        XCB_GRAB_MODE_ASYNC,
        XCB_GRAB_MODE_ASYNC);

    xcb_grab_keyboard_reply_t *reply;
    if ((reply = xcb_grab_keyboard_reply(conn, cookie, NULL))) {
        if (reply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(reply);
            return true;
        }
        free(reply);
    }
    return false;
}
Ejemplo n.º 4
0
Archivo: utils.cpp Proyecto: 8l/kwin
bool grabXKeyboard(xcb_window_t w)
{
    if (QWidget::keyboardGrabber() != NULL)
        return false;
    if (keyboard_grabbed)
        return false;
    if (qApp->activePopupWidget() != NULL)
        return false;
    if (w == XCB_WINDOW_NONE)
        w = rootWindow();
    const xcb_grab_keyboard_cookie_t c = xcb_grab_keyboard_unchecked(connection(), false, w, xTime(),
                                                                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
    ScopedCPointer<xcb_grab_keyboard_reply_t> grab(xcb_grab_keyboard_reply(connection(), c, NULL));
    if (grab.isNull()) {
        return false;
    }
    if (grab->status != XCB_GRAB_STATUS_SUCCESS) {
        return false;
    }
    keyboard_grabbed = true;
    return true;
}
Ejemplo n.º 5
0
/** Grab the keyboard.
 * \return True if keyboard was grabbed.
 */
static bool
keygrabber_grab(void)
{
    int i;
    xcb_grab_keyboard_reply_t *xgb;

    for(i = 1000; i; i--)
    {
        if((xgb = xcb_grab_keyboard_reply(globalconf.connection,
                                          xcb_grab_keyboard(globalconf.connection, true,
                                                            globalconf.screen->root,
                                                            XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC,
                                                            XCB_GRAB_MODE_ASYNC),
                                          NULL)))
        {
            p_delete(&xgb);
            return true;
        }
        usleep(1000);
    }
    return false;
}
Ejemplo n.º 6
0
int take_keyboard ( xcb_window_t w )
{
    for ( int i = 0; i < 500; i++ ) {
        if ( xcb_connection_has_error ( xcb->connection ) ) {
            fprintf ( stderr, "Connection has error\n" );
            exit ( EXIT_FAILURE );
        }
        xcb_grab_keyboard_cookie_t cc = xcb_grab_keyboard ( xcb->connection,
                                                            1, w, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC,
                                                            XCB_GRAB_MODE_ASYNC );
        xcb_grab_keyboard_reply_t *r = xcb_grab_keyboard_reply ( xcb->connection, cc, NULL );
        if ( r ) {
            if ( r->status == XCB_GRAB_STATUS_SUCCESS ) {
                free ( r );
                return 1;
            }
            free ( r );
        }
        usleep ( 1000 );
    }

    return 0;
}
Ejemplo n.º 7
0
Archivo: towel.c Proyecto: kanru/towel
static void
towel_window_grab_input(towel_window_t *win)
{
  xcb_grab_pointer_cookie_t pointer_cookie;
  xcb_grab_keyboard_cookie_t keyboard_cookie;
  xcb_grab_pointer_reply_t *pointer_reply;
  xcb_grab_keyboard_reply_t *keyboard_reply;

  pointer_cookie = xcb_grab_pointer_unchecked(win->conn, 0, win->id,
                                              XCB_EVENT_MASK_NO_EVENT,
                                              XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
                                              win->id,
                                              XCB_CURSOR_NONE, XCB_TIME_CURRENT_TIME);
  keyboard_cookie = xcb_grab_keyboard_unchecked(win->conn, 0, win->id,
                                                XCB_TIME_CURRENT_TIME,
                                                XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
  pointer_reply = xcb_grab_pointer_reply(win->conn, pointer_cookie, NULL);
  keyboard_reply = xcb_grab_keyboard_reply(win->conn, keyboard_cookie, NULL);
#if DEBUG
  fprintf(stderr, "p: %d, k: %d\n", pointer_reply->status, keyboard_reply->status);
#endif
  free(pointer_reply);
  free(keyboard_reply);
}
Ejemplo n.º 8
0
Archivo: main.c Proyecto: stfnm/i3
/*
 * Creates the config file and tells i3 to reload.
 *
 */
static void finish() {
    printf("creating \"%s\"...\n", config_path);

    if (!(dpy = XOpenDisplay(NULL)))
        errx(1, "Could not connect to X11");

    FILE *kc_config = fopen(SYSCONFDIR "/i3/config.keycodes", "r");
    if (kc_config == NULL)
        err(1, "Could not open input file \"%s\"", SYSCONFDIR "/i3/config.keycodes");

    FILE *ks_config = fopen(config_path, "w");
    if (ks_config == NULL)
        err(1, "Could not open output config file \"%s\"", config_path);
    free(config_path);

    char *line = NULL;
    size_t len = 0;
#ifndef USE_FGETLN
    ssize_t read;
#endif
    bool head_of_file = true;

    /* write a header about auto-generation to the output file */
    fputs("# This file has been auto-generated by i3-config-wizard(1).\n", ks_config);
    fputs("# It will not be overwritten, so edit it as you like.\n", ks_config);
    fputs("#\n", ks_config);
    fputs("# Should you change your keyboard layout somewhen, delete\n", ks_config);
    fputs("# this file and re-run i3-config-wizard(1).\n", ks_config);
    fputs("#\n", ks_config);

#ifdef USE_FGETLN
    char *buf = NULL;
    while ((buf = fgetln(kc_config, &len)) != NULL) {
        /* fgetln does not return null-terminated strings */
        FREE(line);
        sasprintf(&line, "%.*s", len, buf);
#else
    size_t linecap = 0;
    while ((read = getline(&line, &linecap, kc_config)) != -1) {
        len = strlen(line);
#endif
        /* skip the warning block at the beginning of the input file */
        if (head_of_file &&
            strncmp("# WARNING", line, strlen("# WARNING")) == 0)
            continue;

        head_of_file = false;

        /* Skip leading whitespace */
        char *walk = line;
        while (isspace(*walk) && walk < (line + len)) {
            /* Pre-output the skipped whitespaces to keep proper indentation */
            fputc(*walk, ks_config);
            walk++;
        }

        /* Set the modifier the user chose */
        if (strncmp(walk, "set $mod ", strlen("set $mod ")) == 0) {
            if (modifier == MOD_Mod1)
                fputs("set $mod Mod1\n", ks_config);
            else fputs("set $mod Mod4\n", ks_config);
            continue;
        }

        /* Check for 'bindcode'. If it’s not a bindcode line, we
         * just copy it to the output file */
        if (strncmp(walk, "bindcode", strlen("bindcode")) != 0) {
            fputs(walk, ks_config);
            continue;
        }
        char *result = rewrite_binding(walk);
        fputs(result, ks_config);
        free(result);
    }

    /* sync to do our best in order to have the file really stored on disk */
    fflush(ks_config);
    fsync(fileno(ks_config));

#ifndef USE_FGETLN
    free(line);
#endif

    fclose(kc_config);
    fclose(ks_config);

    /* tell i3 to reload the config file */
    int sockfd = ipc_connect(socket_path);
    ipc_send_message(sockfd, strlen("reload"), 0, (uint8_t*)"reload");
    close(sockfd);

    exit(0);
}

int main(int argc, char *argv[]) {
    config_path = resolve_tilde("~/.i3/config");
    socket_path = getenv("I3SOCK");
    char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
    char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1";
    int o, option_index = 0;

    static struct option long_options[] = {
        {"socket", required_argument, 0, 's'},
        {"version", no_argument, 0, 'v'},
        {"limit", required_argument, 0, 'l'},
        {"prompt", required_argument, 0, 'P'},
        {"prefix", required_argument, 0, 'p'},
        {"font", required_argument, 0, 'f'},
        {"help", no_argument, 0, 'h'},
        {0, 0, 0, 0}
    };

    char *options_string = "s:vh";

    while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
        switch (o) {
            case 's':
                FREE(socket_path);
                socket_path = strdup(optarg);
                break;
            case 'v':
                printf("i3-config-wizard " I3_VERSION "\n");
                return 0;
            case 'h':
                printf("i3-config-wizard " I3_VERSION "\n");
                printf("i3-config-wizard [-s <socket>] [-v]\n");
                return 0;
        }
    }

    /* Check if the destination config file does not exist but the path is
     * writable. If not, exit now, this program is not useful in that case. */
    struct stat stbuf;
    if (stat(config_path, &stbuf) == 0) {
        printf("The config file \"%s\" already exists. Exiting.\n", config_path);
        return 0;
    }

    /* Create ~/.i3 if it does not yet exist */
    char *config_dir = resolve_tilde("~/.i3");
    if (stat(config_dir, &stbuf) != 0)
        if (mkdir(config_dir, 0755) == -1)
            err(1, "mkdir(%s) failed", config_dir);
    free(config_dir);

    int fd;
    if ((fd = open(config_path, O_CREAT | O_RDWR, 0644)) == -1) {
        printf("Cannot open file \"%s\" for writing: %s. Exiting.\n", config_path, strerror(errno));
        return 0;
    }
    close(fd);
    unlink(config_path);

    if (socket_path == NULL)
        socket_path = root_atom_contents("I3_SOCKET_PATH");

    if (socket_path == NULL)
        socket_path = "/tmp/i3-ipc.sock";

    int screens;
    if ((conn = xcb_connect(NULL, &screens)) == NULL ||
        xcb_connection_has_error(conn))
        errx(1, "Cannot open display\n");

    xcb_get_modifier_mapping_cookie_t modmap_cookie;
    modmap_cookie = xcb_get_modifier_mapping(conn);
    symbols = xcb_key_symbols_alloc(conn);

    /* Place requests for the atoms we need as soon as possible */
    #define xmacro(atom) \
        xcb_intern_atom_cookie_t atom ## _cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
    #include "atoms.xmacro"
    #undef xmacro

    root_screen = xcb_aux_get_screen(conn, screens);
    root = root_screen->root;

    if (!(modmap_reply = xcb_get_modifier_mapping_reply(conn, modmap_cookie, NULL)))
        errx(EXIT_FAILURE, "Could not get modifier mapping\n");

    xcb_numlock_mask = get_mod_mask_for(XCB_NUM_LOCK, symbols, modmap_reply);

    font = load_font(pattern, true);
    bold_font = load_font(patternbold, true);

    /* Open an input window */
    win = xcb_generate_id(conn);
    xcb_create_window(
        conn,
        XCB_COPY_FROM_PARENT,
        win, /* the window id */
        root, /* parent == root */
        490, 297, 300, 205, /* dimensions */
        0, /* X11 border = 0, we draw our own */
        XCB_WINDOW_CLASS_INPUT_OUTPUT,
        XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
        XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
        (uint32_t[]){
            0, /* back pixel: black */
            XCB_EVENT_MASK_EXPOSURE |
            XCB_EVENT_MASK_BUTTON_PRESS
        });

    /* Map the window (make it visible) */
    xcb_map_window(conn, win);

    /* Setup NetWM atoms */
    #define xmacro(name) \
        do { \
            xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, name ## _cookie, NULL); \
            if (!reply) \
                errx(EXIT_FAILURE, "Could not get atom " # name "\n"); \
            \
            A_ ## name = reply->atom; \
            free(reply); \
        } while (0);
    #include "atoms.xmacro"
    #undef xmacro

    /* Set dock mode */
    xcb_change_property(conn,
        XCB_PROP_MODE_REPLACE,
        win,
        A__NET_WM_WINDOW_TYPE,
        A_ATOM,
        32,
        1,
        (unsigned char*) &A__NET_WM_WINDOW_TYPE_DIALOG);

    /* Set window title */
    xcb_change_property(conn,
        XCB_PROP_MODE_REPLACE,
        win,
        A__NET_WM_NAME,
        A_UTF8_STRING,
        8,
        strlen("i3: first configuration"),
        "i3: first configuration");

    /* Create pixmap */
    pixmap = xcb_generate_id(conn);
    pixmap_gc = xcb_generate_id(conn);
    xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500);
    xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);

    /* Grab the keyboard to get all input */
    xcb_flush(conn);

    /* Try (repeatedly, if necessary) to grab the keyboard. We might not
     * get the keyboard at the first attempt because of the keybinding
     * still being active when started via a wm’s keybinding. */
    xcb_grab_keyboard_cookie_t cookie;
    xcb_grab_keyboard_reply_t *reply = NULL;

    int count = 0;
    while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
        cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
        reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
        usleep(1000);
    }

    if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
        fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
        exit(-1);
    }

    xcb_flush(conn);

    xcb_generic_event_t *event;
    while ((event = xcb_wait_for_event(conn)) != NULL) {
        if (event->response_type == 0) {
            fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
            continue;
        }

        /* Strip off the highest bit (set if the event is generated) */
        int type = (event->response_type & 0x7F);

        switch (type) {
            case XCB_KEY_PRESS:
                handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
                break;

            /* TODO: handle mappingnotify */

            case XCB_BUTTON_PRESS:
                handle_button_press((xcb_button_press_event_t*)event);
                break;

            case XCB_EXPOSE:
                handle_expose();
                break;
        }

        free(event);
    }

    return 0;
}
Ejemplo n.º 9
0
Archivo: xcb.c Proyecto: eplanet/i3lock
/*
 * Repeatedly tries to grab pointer and keyboard (up to the specified number of
 * tries).
 *
 * Returns true if the grab succeeded, false if not.
 *
 */
bool grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor, int tries) {
    xcb_grab_pointer_cookie_t pcookie;
    xcb_grab_pointer_reply_t *preply;

    xcb_grab_keyboard_cookie_t kcookie;
    xcb_grab_keyboard_reply_t *kreply;

    const suseconds_t screen_redraw_timeout = 100000; /* 100ms */

    /* Using few variables to trigger a redraw_screen() if too many tries */
    bool redrawn = false;
    struct timeval start;
    if (gettimeofday(&start, NULL) == -1) {
        err(EXIT_FAILURE, "gettimeofday");
    }

    while (tries-- > 0) {
        pcookie = xcb_grab_pointer(
            conn,
            false,               /* get all pointer events specified by the following mask */
            screen->root,        /* grab the root window */
            XCB_NONE,            /* which events to let through */
            XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
            XCB_GRAB_MODE_ASYNC, /* keyboard mode */
            XCB_NONE,            /* confine_to = in which window should the cursor stay */
            cursor,              /* we change the cursor to whatever the user wanted */
            XCB_CURRENT_TIME);

        if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) &&
            preply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(preply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);

        struct timeval now;
        if (gettimeofday(&now, NULL) == -1) {
            err(EXIT_FAILURE, "gettimeofday");
        }

        struct timeval elapsed;
        timersub(&now, &start, &elapsed);

        if (!redrawn &&
            (tries % 100) == 0 &&
            elapsed.tv_usec >= screen_redraw_timeout) {
            redraw_screen();
            redrawn = true;
        }
    }

    while (tries-- > 0) {
        kcookie = xcb_grab_keyboard(
            conn,
            true,         /* report events */
            screen->root, /* grab the root window */
            XCB_CURRENT_TIME,
            XCB_GRAB_MODE_ASYNC, /* process events as normal, do not require sync */
            XCB_GRAB_MODE_ASYNC);

        if ((kreply = xcb_grab_keyboard_reply(conn, kcookie, NULL)) &&
            kreply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(kreply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);

        struct timeval now;
        if (gettimeofday(&now, NULL) == -1) {
            err(EXIT_FAILURE, "gettimeofday");
        }

        struct timeval elapsed;
        timersub(&now, &start, &elapsed);

        /* Trigger a screen redraw if 100ms elapsed */
        if (!redrawn &&
            (tries % 100) == 0 &&
            elapsed.tv_usec >= screen_redraw_timeout) {
            redraw_screen();
            redrawn = true;
        }
    }

    return (tries > 0);
}
Ejemplo n.º 10
0
/*
 * Repeatedly tries to grab pointer and keyboard (up to 10000 times).
 *
 */
void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor) {
    xcb_grab_pointer_cookie_t pcookie;
    xcb_grab_pointer_reply_t *preply;

    xcb_grab_keyboard_cookie_t kcookie;
    xcb_grab_keyboard_reply_t *kreply;

    int tries = 10000;

    /* Using few variables to trigger a redraw_screen() if too many tries */
    bool redrawn = false;
    time_t start = clock();

    while (tries-- > 0) {
        pcookie = xcb_grab_pointer(
            conn,
            false,               /* get all pointer events specified by the following mask */
            screen->root,        /* grab the root window */
            XCB_NONE,            /* which events to let through */
            XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
            XCB_GRAB_MODE_ASYNC, /* keyboard mode */
            XCB_NONE,            /* confine_to = in which window should the cursor stay */
            cursor,              /* we change the cursor to whatever the user wanted */
            XCB_CURRENT_TIME);

        if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) &&
            preply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(preply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);

        /* Measure elapsed time and trigger a screen redraw if elapsed > 250000 */
        if (!redrawn &&
            (tries % 100) == 0 &&
            (clock() - start) > 250000) {
            redraw_screen();
            redrawn = true;
        }
    }

    while (tries-- > 0) {
        kcookie = xcb_grab_keyboard(
            conn,
            true,         /* report events */
            screen->root, /* grab the root window */
            XCB_CURRENT_TIME,
            XCB_GRAB_MODE_ASYNC, /* process events as normal, do not require sync */
            XCB_GRAB_MODE_ASYNC);

        if ((kreply = xcb_grab_keyboard_reply(conn, kcookie, NULL)) &&
            kreply->status == XCB_GRAB_STATUS_SUCCESS) {
            free(kreply);
            break;
        }

        /* Make this quite a bit slower */
        usleep(50);

        /* Measure elapsed time and trigger a screen redraw if elapsed > 250000 */
        if (!redrawn &&
            (tries % 100) == 0 &&
            (clock() - start) > 250000) {
            redraw_screen();
            redrawn = true;
        }
    }

    /* After trying for 10000 times, i3lock will display an error message
     * for 2 sec prior to terminate. */
    if (tries <= 0) {
        pam_state = STATE_I3LOCK_LOCK_FAILED;
        redraw_screen();
        sleep(1);
        errx(EXIT_FAILURE, "Cannot grab pointer/keyboard");
    }
}
Ejemplo n.º 11
0
static void
ephyrProcessKeyRelease(xcb_generic_event_t *xev)
{
    xcb_connection_t *conn = hostx_get_xcbconn();
    xcb_key_release_event_t *key = (xcb_key_release_event_t *)xev;
    static xcb_key_symbols_t *keysyms;
    static int grabbed_screen = -1;
    int mod1_down = ephyrUpdateGrabModifierState(key->state);

    if (!keysyms)
        keysyms = xcb_key_symbols_alloc(conn);

    if (!EphyrWantNoHostGrab &&
        (((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_L
          || xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_R)
         && (key->state & XCB_MOD_MASK_CONTROL)) ||
        ((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_L
          || xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_R)
         && (key->state & XCB_MOD_MASK_SHIFT)))) {
        KdScreenInfo *screen = screen_from_window(key->event);
        EphyrScrPriv *scrpriv = screen->driver;

        if (grabbed_screen != -1) {
            xcb_ungrab_keyboard(conn, XCB_TIME_CURRENT_TIME);
            xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
            grabbed_screen = -1;
            hostx_set_win_title(screen,
                                "(ctrl+shift grabs mouse and keyboard)");
        }
        else if (!mod1_down) {
            /* Attempt grab */
            xcb_grab_keyboard_cookie_t kbgrabc =
                xcb_grab_keyboard(conn,
                                  TRUE,
                                  scrpriv->win,
                                  XCB_TIME_CURRENT_TIME,
                                  XCB_GRAB_MODE_ASYNC,
                                  XCB_GRAB_MODE_ASYNC);
            xcb_grab_keyboard_reply_t *kbgrabr;
            xcb_grab_pointer_cookie_t pgrabc =
                xcb_grab_pointer(conn,
                                 TRUE,
                                 scrpriv->win,
                                 0,
                                 XCB_GRAB_MODE_ASYNC,
                                 XCB_GRAB_MODE_ASYNC,
                                 scrpriv->win,
                                 XCB_NONE,
                                 XCB_TIME_CURRENT_TIME);
            xcb_grab_pointer_reply_t *pgrabr;
            kbgrabr = xcb_grab_keyboard_reply(conn, kbgrabc, NULL);
            if (!kbgrabr || kbgrabr->status != XCB_GRAB_STATUS_SUCCESS) {
                xcb_discard_reply(conn, pgrabc.sequence);
                xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
            } else {
                pgrabr = xcb_grab_pointer_reply(conn, pgrabc, NULL);
                if (!pgrabr || pgrabr->status != XCB_GRAB_STATUS_SUCCESS)
                    {
                        xcb_ungrab_keyboard(conn,
                                            XCB_TIME_CURRENT_TIME);
                    } else {
                    grabbed_screen = scrpriv->mynum;
                    hostx_set_win_title
                        (screen,
                         "(ctrl+shift releases mouse and keyboard)");
                }
            }
        }
    }

    if (!ephyrKbd ||
        !((EphyrKbdPrivate *) ephyrKbd->driverPrivate)->enabled) {
        return;
    }

    /* Still send the release event even if above has happened server
     * will get confused with just an up event.  Maybe it would be
     * better to just block shift+ctrls getting to kdrive all
     * together.
     */
    ephyrUpdateModifierState(key->state);
    KdEnqueueKeyboardEvent(ephyrKbd, key->detail, TRUE);
}
Ejemplo n.º 12
0
int main(int argc, char *argv[]) {
    format = sstrdup("%s");
    char *socket_path = NULL;
    char *pattern = sstrdup("pango:monospace 8");
    int o, option_index = 0;

    static struct option long_options[] = {
        {"socket", required_argument, 0, 's'},
        {"version", no_argument, 0, 'v'},
        {"limit", required_argument, 0, 'l'},
        {"prompt", required_argument, 0, 'P'},
        {"prefix", required_argument, 0, 'p'},
        {"format", required_argument, 0, 'F'},
        {"font", required_argument, 0, 'f'},
        {"help", no_argument, 0, 'h'},
        {0, 0, 0, 0}};

    char *options_string = "s:p:P:f:l:F:vh";

    while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
        switch (o) {
            case 's':
                FREE(socket_path);
                socket_path = sstrdup(optarg);
                break;
            case 'v':
                printf("i3-input " I3_VERSION);
                return 0;
            case 'p':
                /* This option is deprecated, but will still work in i3 v4.1, 4.2 and 4.3 */
                fprintf(stderr, "i3-input: WARNING: the -p option is DEPRECATED in favor of the -F (format) option\n");
                FREE(format);
                sasprintf(&format, "%s%%s", optarg);
                break;
            case 'l':
                limit = atoi(optarg);
                break;
            case 'P':
                i3string_free(prompt);
                prompt = i3string_from_utf8(optarg);
                break;
            case 'f':
                FREE(pattern);
                pattern = sstrdup(optarg);
                break;
            case 'F':
                FREE(format);
                format = sstrdup(optarg);
                break;
            case 'h':
                printf("i3-input " I3_VERSION "\n");
                printf("i3-input [-s <socket>] [-F <format>] [-l <limit>] [-P <prompt>] [-f <font>] [-v]\n");
                printf("\n");
                printf("Example:\n");
                printf("    i3-input -F 'workspace \"%%s\"' -P 'Switch to workspace: '\n");
                return 0;
        }
    }

    printf("using format \"%s\"\n", format);

    int screen;
    conn = xcb_connect(NULL, &screen);
    if (!conn || xcb_connection_has_error(conn))
        die("Cannot open display\n");

    sockfd = ipc_connect(socket_path);

    root_screen = xcb_aux_get_screen(conn, screen);
    root = root_screen->root;

    symbols = xcb_key_symbols_alloc(conn);

    init_dpi();
    font = load_font(pattern, true);
    set_font(&font);

    if (prompt != NULL)
        prompt_offset = predict_text_width(prompt);

    const xcb_rectangle_t win_pos = get_window_position();

    /* Open an input window */
    win = xcb_generate_id(conn);
    xcb_create_window(
        conn,
        XCB_COPY_FROM_PARENT,
        win,                                                 /* the window id */
        root,                                                /* parent == root */
        win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */
        0,                                                   /* X11 border = 0, we draw our own */
        XCB_WINDOW_CLASS_INPUT_OUTPUT,
        XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
        XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
        (uint32_t[]){
            0, /* back pixel: black */
            1, /* override redirect: don’t manage this window */
            XCB_EVENT_MASK_EXPOSURE});

    /* Map the window (make it visible) */
    xcb_map_window(conn, win);

    /* Initialize the drawable surface */
    draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), win_pos.width, win_pos.height);

    /* Grab the keyboard to get all input */
    xcb_flush(conn);

    /* Try (repeatedly, if necessary) to grab the keyboard. We might not
     * get the keyboard at the first attempt because of the keybinding
     * still being active when started via a wm’s keybinding. */
    xcb_grab_keyboard_cookie_t cookie;
    xcb_grab_keyboard_reply_t *reply = NULL;

    int count = 0;
    while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
        cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
        reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
        usleep(1000);
    }

    if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
        fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
        exit(-1);
    }

    xcb_flush(conn);

    xcb_generic_event_t *event;
    while ((event = xcb_wait_for_event(conn)) != NULL) {
        if (event->response_type == 0) {
            fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
            continue;
        }

        /* Strip off the highest bit (set if the event is generated) */
        int type = (event->response_type & 0x7F);

        switch (type) {
            case XCB_KEY_PRESS:
                handle_key_press(NULL, conn, (xcb_key_press_event_t *)event);
                break;

            case XCB_KEY_RELEASE:
                handle_key_release(NULL, conn, (xcb_key_release_event_t *)event);
                break;

            case XCB_EXPOSE:
                if (((xcb_expose_event_t *)event)->count == 0) {
                    handle_expose(NULL, conn, (xcb_expose_event_t *)event);
                }

                break;
        }

        free(event);
    }

    draw_util_surface_free(conn, &surface);
    return 0;
}