C++ (Cpp) gtk_entry_buffer_emit_deleted_text示例

示例#1

文件： bastile-secure-buffer.c 项目： gfunkmonk2/bastile

static guint
bastile_secure_buffer_real_delete_text (GtkEntryBuffer *buffer, guint position, guint n_chars)
{
	BastileSecureBuffer *self = BASTILE_SECURE_BUFFER (buffer);
	BastileSecureBufferPrivate *pv = self->priv;
	gsize start, end;

	if (position > pv->text_chars)
		position = pv->text_chars;
	if (position + n_chars > pv->text_chars)
		n_chars = pv->text_chars - position;

	if (n_chars > 0) {
		start = g_utf8_offset_to_pointer (pv->text, position) - pv->text;
		end = g_utf8_offset_to_pointer (pv->text, position + n_chars) - pv->text;

		g_memmove (pv->text + start, pv->text + end, pv->text_bytes + 1 - end);
		pv->text_chars -= n_chars;
		pv->text_bytes -= (end - start);

		gtk_entry_buffer_emit_deleted_text (buffer, position, n_chars);
	}

	return n_chars;
}

示例#2

文件： gtkentrybuffer.c 项目： Pfiver/gtk

static guint
gtk_entry_buffer_normal_delete_text (GtkEntryBuffer *buffer,
                                     guint           position,
                                     guint           n_chars)
{
  GtkEntryBufferPrivate *pv = buffer->priv;
  gsize start, end;

  if (position > pv->normal_text_chars)
    position = pv->normal_text_chars;
  if (position + n_chars > pv->normal_text_chars)
    n_chars = pv->normal_text_chars - position;

  if (n_chars > 0)
    {
      start = g_utf8_offset_to_pointer (pv->normal_text, position) - pv->normal_text;
      end = g_utf8_offset_to_pointer (pv->normal_text, position + n_chars) - pv->normal_text;

      g_memmove (pv->normal_text + start, pv->normal_text + end, pv->normal_text_bytes + 1 - end);
      pv->normal_text_chars -= n_chars;
      pv->normal_text_bytes -= (end - start);

      /*
       * Could be a password, make sure we don't leave anything sensitive after
       * the terminating zero.  Note, that the terminating zero already trashed
       * one byte.
       */
      trash_area (pv->normal_text + pv->normal_text_bytes + 1, end - start - 1);

      gtk_entry_buffer_emit_deleted_text (buffer, position, n_chars);
    }

  return n_chars;
}