
// subtitleeditor -- a tool to create or edit subtitle
//
// https://kitone.github.io/subtitleeditor/
// https://github.com/kitone/subtitleeditor/
//
// Copyright @ 2005-2018, kitone
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

#include <cfg.h>
#include <debug.h>
#include "automaticspellchecker.h"
#include "textviewcell.h"

// Constructor
// Initialize the widget with the AutomaticSpellChecker.
TextViewCell::TextViewCell()
    : Glib::ObjectBase(typeid(TextViewCell)), Gtk::CellEditable() {
  se_dbg(SE_DBG_VIEW);

  m_used_ctrl_enter_to_confirm_change =
      cfg::get_boolean("subtitle-view", "used-ctrl-enter-to-confirm-change");

  if (cfg::get_boolean("subtitle-view", "property-alignment-center")) {
    set_justification(Gtk::JUSTIFY_CENTER);
  }

  set_wrap_mode(Gtk::WRAP_NONE);

  AutomaticSpellChecker::create_from_textview(this);
}

// Destructor
TextViewCell::~TextViewCell() {
  se_dbg(SE_DBG_VIEW);
}

// Define the current text.
void TextViewCell::set_text(const Glib::ustring& text) {
  se_dbg_msg(SE_DBG_VIEW, "text=<%s>", text.c_str());
  get_buffer()->set_text(text);
}

// Return the current text.
Glib::ustring TextViewCell::get_text() {
  se_dbg(SE_DBG_VIEW);

  Glib::RefPtr<Gtk::TextBuffer> buffer = get_buffer();

  Gtk::TextBuffer::iterator start, end;

  buffer->get_bounds(start, end);
  return buffer->get_text(start, end);
}

// Check if the user cancel the editing with Escape.
// Check if the user apply the editing with Enter (depend on user prefs).
bool TextViewCell::on_key_press_event(GdkEventKey* event) {
  se_dbg(SE_DBG_VIEW);

  if (event->keyval == GDK_KEY_Escape) {
    m_editing_canceled = true;
    remove_widget();
    return true;
  }

  bool st_enter =
      (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter ||
       event->keyval == GDK_KEY_ISO_Enter ||
       event->keyval == GDK_KEY_3270_Enter);

  bool st_ctrl = (event->state & GDK_CONTROL_MASK);

  if ((m_used_ctrl_enter_to_confirm_change ? (st_enter && st_ctrl)
                                           : (st_enter && !st_ctrl))) {
    // We don't need to call editing_done(), there's a call in
    // on_remove_widget()
    // editing_done();
    remove_widget();
    return true;
  }
  return Gtk::TextView::on_key_press_event(event);
}

// Before removing the widget we call editing_done
// if there's no canceled signal.
void TextViewCell::on_remove_widget() {
  se_dbg(SE_DBG_VIEW);
  // We apply the editing if there's not a canceled signal.
  if (m_editing_canceled == false)
    editing_done();
  Gtk::CellEditable::on_remove_widget();
}

// bug #23569 : Cursor cannot be moved with mouse when editing subtitles
bool TextViewCell::on_button_press_event(GdkEventButton* event) {
  se_dbg(SE_DBG_VIEW);

  Gtk::TextView::on_button_press_event(event);
  return true;
}
