C++ (Cpp) push_event_key Examples

Example #1

File: input.c Project: Saneyan/neovim

// Low level input function.
int os_inchar(uint8_t *buf, int maxlen, int32_t ms, int tb_change_cnt)
{
  InbufPollResult result;

  if (event_is_pending()) {
    // Return pending event bytes
    return push_event_key(buf, maxlen);
  }

  if (ms >= 0) {
    if ((result = inbuf_poll(ms)) == kInputNone) {
      return 0;
    }
  } else {
    if ((result = inbuf_poll(p_ut)) == kInputNone) {
      if (trigger_cursorhold() && maxlen >= 3
          && !typebuf_changed(tb_change_cnt)) {
        buf[0] = K_SPECIAL;
        buf[1] = KS_EXTRA;
        buf[2] = KE_CURSORHOLD;
        return 3;
      }

      before_blocking();
      result = inbuf_poll(-1);
    }
  }

  // If there are pending events, return the keys directly
  if (event_is_pending()) {
    return push_event_key(buf, maxlen);
  }

  // If input was put directly in typeahead buffer bail out here.
  if (typebuf_changed(tb_change_cnt)) {
    return 0;
  }

  if (result == kInputEof) {
    read_error_exit();
    return 0;
  }

  return read_from_input_buf(buf, (int64_t)maxlen);
}

Example #2

File: input.c Project: camponez/neovim

// Low level input function
int os_inchar(uint8_t *buf, int maxlen, int ms, int tb_change_cnt)
{
  if (maxlen && rbuffer_size(input_buffer)) {
    return (int)rbuffer_read(input_buffer, (char *)buf, (size_t)maxlen);
  }

  InbufPollResult result;
  if (ms >= 0) {
    if ((result = inbuf_poll(ms)) == kInputNone) {
      return 0;
    }
  } else {
    if ((result = inbuf_poll((int)p_ut)) == kInputNone) {
      if (read_stream.closed && silent_mode) {
        // Drained eventloop & initial input; exit silent/batch-mode (-es/-Es).
        read_error_exit();
      }

      if (trigger_cursorhold() && !typebuf_changed(tb_change_cnt)) {
        create_cursorhold_event();
      } else {
        before_blocking();
        result = inbuf_poll(-1);
      }
    }
  }

  // If input was put directly in typeahead buffer bail out here.
  if (typebuf_changed(tb_change_cnt)) {
    return 0;
  }

  if (maxlen && rbuffer_size(input_buffer)) {
    // Safe to convert rbuffer_read to int, it will never overflow since we use
    // relatively small buffers.
    return (int)rbuffer_read(input_buffer, (char *)buf, (size_t)maxlen);
  }

  // If there are events, return the keys directly
  if (maxlen && pending_events()) {
    return push_event_key(buf, maxlen);
  }

  if (result == kInputEof) {
    read_error_exit();
  }

  return 0;
}

Example #3

File: input.c Project: Sean1708/neovim

// Low level input function
int os_inchar(uint8_t *buf, int maxlen, int ms, int tb_change_cnt)
{
  if (rbuffer_pending(input_buffer)) {
    return (int)rbuffer_read(input_buffer, (char *)buf, (size_t)maxlen);
  }

  InbufPollResult result;
  if (ms >= 0) {
    if ((result = inbuf_poll(ms)) == kInputNone) {
      return 0;
    }
  } else {
    if ((result = inbuf_poll((int)p_ut)) == kInputNone) {
      if (trigger_cursorhold() && maxlen >= 3
          && !typebuf_changed(tb_change_cnt)) {
        buf[0] = K_SPECIAL;
        buf[1] = KS_EXTRA;
        buf[2] = KE_CURSORHOLD;
        return 3;
      }

      before_blocking();
      result = inbuf_poll(-1);
    }
  }

  // If input was put directly in typeahead buffer bail out here.
  if (typebuf_changed(tb_change_cnt)) {
    return 0;
  }

  if (rbuffer_pending(input_buffer)) {
    // Safe to convert rbuffer_read to int, it will never overflow since we use
    // relatively small buffers.
    return (int)rbuffer_read(input_buffer, (char *)buf, (size_t)maxlen);
  }

  // If there are deferred events, return the keys directly
  if (event_has_deferred()) {
    return push_event_key(buf, maxlen);
  }

  if (result == kInputEof) {
    read_error_exit();
  }

  return 0;
}