/* $Id$ */

/*
 * Copyright (C) 2006 Richard Braun
 * 
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "mtx.h"
#include "mtxentry.h"
#include "mtxwindow.h"
#include "mtxlanguage.h"

#include <iostream>

using namespace std;

MtxWindow::MtxWindow(MtxLanguage *language):
entry(language, this)
{
  string notice;

  notice = MTX_NOTICE;
  notice += "\n";
  notice += MTXWINDOW_PROMPT;

  this->language = language;
  set_title("mtx " MTX_VERSION);
  set_border_width(0);
  resize(750, 500);
  move(100, 75);
  menu_help.items().push_back(Gtk::Menu_Helpers::MenuElem("_About",
    sigc::mem_fun(*this, &MtxWindow::on_menu_help_about)));
  menu_bar.items().push_back(Gtk::Menu_Helpers::MenuElem("_Help", menu_help));
  vbox.pack_start(menu_bar, Gtk::PACK_SHRINK);
  buffer = text_view.get_buffer();
  tag = buffer->create_tag("");
  tag->property_font() = "monospace";
  mark = buffer->create_mark(buffer->end());
  buffer->insert_with_tag(buffer->end(), notice, tag);
  text_view.set_editable(false);
  scrolled_window.add(text_view);
  vbox.pack_start(scrolled_window);
  vbox.pack_start(entry, Gtk::PACK_SHRINK);
  add(vbox);
  show_all();
  entry.grab_focus();
}

MtxWindow::~MtxWindow()
{
}

void
MtxWindow::addText(const string &text)
{
  buffer->insert_with_tag(buffer->end(), text, tag);
  buffer->move_mark(mark, buffer->end());
  text_view.scroll_to_mark(mark, 0.);
}

void
MtxWindow::on_menu_help_about()
{
  vector<MtxSymbol> results;

  addText("about\n");
  results = language->parse("about");
  addText((*results.begin()).toString() + '\n');
  addText(MTXWINDOW_PROMPT);
}