C++ (Cpp) dlg_handle_key示例

示例#1

文件： dialog.c 项目： MidnightCommander/mc

static void
dlg_key_event (WDialog * h, int d_key)
{
    cb_ret_t handled;

    if (h->widgets == NULL)
        return;

    if (h->current == NULL)
        h->current = h->widgets;

    /* TAB used to cycle */
    if (!widget_get_options (WIDGET (h), WOP_WANT_TAB))
    {
        if (d_key == '\t')
        {
            dlg_select_next_widget (h);
            return;
        }
        else if ((d_key & ~(KEY_M_SHIFT | KEY_M_CTRL)) == '\t')
        {
            dlg_select_prev_widget (h);
            return;
        }
    }

    /* first can dlg_callback handle the key */
    handled = send_message (h, NULL, MSG_KEY, d_key, NULL);

    /* next try the hotkey */
    if (handled == MSG_NOT_HANDLED)
        handled = dlg_try_hotkey (h, d_key);

    if (handled == MSG_HANDLED)
        send_message (h, NULL, MSG_HOTKEY_HANDLED, 0, NULL);
    else
        /* not used - then try widget_callback */
        handled = send_message (h->current->data, NULL, MSG_KEY, d_key, NULL);

    /* not used- try to use the unhandled case */
    if (handled == MSG_NOT_HANDLED)
        handled = send_message (h, NULL, MSG_UNHANDLED_KEY, d_key, NULL);

    if (handled == MSG_NOT_HANDLED)
        handled = dlg_handle_key (h, d_key);

    (void) handled;
    send_message (h, NULL, MSG_POST_KEY, d_key, NULL);
}

示例#2

文件： dialog.c 项目： GalaxyTab4/workbench

static void
dlg_key_event (WDialog * h, int d_key)
{
    cb_ret_t handled;

    if (h->widgets == NULL)
        return;

    if (h->current == NULL)
        h->current = h->widgets;

    /* TAB used to cycle */
    if ((h->flags & DLG_WANT_TAB) == 0)
    {
        if (d_key == '\t')
        {
            dlg_one_down (h);
            return;
        }
        else if (d_key == KEY_BTAB)
        {
            dlg_one_up (h);
            return;
        }
    }

    /* first can dlg_callback handle the key */
    handled = send_message (h, NULL, MSG_KEY, d_key, NULL);

    /* next try the hotkey */
    if (handled == MSG_NOT_HANDLED)
        handled = dlg_try_hotkey (h, d_key);

    if (handled == MSG_HANDLED)
        send_message (h, NULL, MSG_HOTKEY_HANDLED, 0, NULL);
    else
        /* not used - then try widget_callback */
        handled = send_message (h->current->data, NULL, MSG_KEY, d_key, NULL);

    /* not used- try to use the unhandled case */
    if (handled == MSG_NOT_HANDLED)
        handled = send_message (h, NULL, MSG_UNHANDLED_KEY, d_key, NULL);

    if (handled == MSG_NOT_HANDLED)
        handled = dlg_handle_key (h, d_key);

    send_message (h, NULL, MSG_POST_KEY, d_key, NULL);
}