/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */
/*
 * nimf-preeditable.c
 * This file is part of Nimf.
 *
 * Copyright (C) 2017-2019 Hodong Kim <cogniti@gmail.com>
 *
 * Nimf is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Nimf is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program;  If not, see <http://www.gnu.org/licenses/>.
 */

#include "nimf-preeditable.h"

G_DEFINE_INTERFACE (NimfPreeditable, nimf_preeditable, G_TYPE_OBJECT)

static void
nimf_preeditable_default_init (NimfPreeditableInterface *iface)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);
}

/**
 * nimf_preeditable_show:
 * @preeditable: a #NimfPreeditable
 *
 * Shows @preeditable
 */
void
nimf_preeditable_show (NimfPreeditable *preeditable)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));

  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);

  if (iface->show)
    iface->show (preeditable);
}

/**
 * nimf_preeditable_hide:
 * @preeditable: a #NimfPreeditable
 *
 * Hides the @preeditable
 */
void
nimf_preeditable_hide (NimfPreeditable *preeditable)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));

  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);

  if (iface->hide)
    iface->hide (preeditable);
}

/**
 * nimf_preeditable_is_visible:
 * @preeditable: a #NimfPreeditable
 *
 * Returns: %TRUE if the @preeditable is visible
 */
gboolean
nimf_preeditable_is_visible (NimfPreeditable *preeditable)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  g_return_val_if_fail (NIMF_IS_PREEDITABLE (preeditable), FALSE);

  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);

  if (iface->is_visible)
    return iface->is_visible (preeditable);

  return FALSE;
}

/**
 * nimf_preeditable_set_text:
 * @preeditable: a #NimfPreeditable
 * @text: text
 * @cursor_pos: cursor position
 *
 * Sets @text to @preeditable.
 */
void
nimf_preeditable_set_text (NimfPreeditable *preeditable,
                           const gchar     *text,
                           gint             cursor_pos)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));

  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);

  if (iface->set_text)
    iface->set_text (preeditable, text, cursor_pos);
}

/**
 * nimf_preeditable_set_cursor_location:
 * @preeditable: a #NimfPreeditable
 * @area: a #NimfRectangle
 *
 * Notifies the @preeditable that a change in cursor position has been made.
 * The location is the position of a window position in root window coordinates.
 */
void
nimf_preeditable_set_cursor_location (NimfPreeditable     *preeditable,
                                      const NimfRectangle *area)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));

  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);

  if (iface->set_cursor_location)
    iface->set_cursor_location (preeditable, area);
}