/* -------------------------------------------------------------------------
 * BKG NTRIP Server
 * -------------------------------------------------------------------------
 *
 * Class:      bnsWindow
 *
 * Purpose:    This class implements the main application window.
 *
 * Author:     L. Mervart
 *
 * Created:    29-Mar-2008
 *
 * Changes:    
 *
 * -----------------------------------------------------------------------*/

#include <iostream>

#include "bnswindow.h" 
#include "bnshlpdlg.h" 

using namespace std;

// Constructor
////////////////////////////////////////////////////////////////////////////
bnsWindow::bnsWindow() {

  int ww = QFontMetrics(this->font()).width('w');
  
  setMinimumSize(77*ww, 65*ww);

  setWindowTitle(tr("BKG Ntrip Server (BNS) Version 1.0"));

  // Create Actions
  // --------------
  _actHelp = new QAction(tr("&Help Contents"),this);
  connect(_actHelp, SIGNAL(triggered()), SLOT(slotHelp()));

  _actAbout = new QAction(tr("&About BNS"),this);
  connect(_actAbout, SIGNAL(triggered()), SLOT(slotAbout()));

  _actFontSel = new QAction(tr("Select &Font"),this);
  connect(_actFontSel, SIGNAL(triggered()), SLOT(slotFontSel()));

  _actSaveOpt = new QAction(tr("&Save Options"),this);
  connect(_actSaveOpt, SIGNAL(triggered()), SLOT(slotSaveOptions()));

  _actQuit  = new QAction(tr("&Quit"),this);
  connect(_actQuit, SIGNAL(triggered()), SLOT(close()));

  _actwhatsthis= new QAction(tr("Help=Shift+F1"),this);
  connect(_actwhatsthis, SIGNAL(triggered()), SLOT(slotWhatsThis()));

  CreateMenu();
  AddToolbar();

  // Canvas with Editable Fields
  // ---------------------------
  _canvas = new QWidget;
  setCentralWidget(_canvas);

}

// Destructor
////////////////////////////////////////////////////////////////////////////
bnsWindow::~bnsWindow() {
  cout << "destructor" << endl;
}

// Close Application gracefully
////////////////////////////////////////////////////////////////////////////
void bnsWindow::closeEvent(QCloseEvent* event) {

int iRet = QMessageBox::question(this, "Close", "Save Options?", 
                                 QMessageBox::Yes, QMessageBox::No,
                                 QMessageBox::Cancel);

  if      (iRet == QMessageBox::Cancel) {
    event->ignore();
    return;
  }
  else if (iRet == QMessageBox::Yes) {
    slotSaveOptions();
  }

  QMainWindow::closeEvent(event);

  delete this;
}

// About Message
////////////////////////////////////////////////////////////////////////////
void bnsWindow::slotAbout() {
 new bnsAboutDlg(0);
}

// Help Window
////////////////////////////////////////////////////////////////////////////
void bnsWindow::slotHelp() {
  QUrl url; 
  url.setPath(":bnshelp.html");
  new bnsHlpDlg(0, url);
}

// Select Fonts
////////////////////////////////////////////////////////////////////////////
void bnsWindow::slotFontSel() {
  bool ok;
  QFont newFont = QFontDialog::getFont(&ok, this->font(), this); 
  if (ok) {
    QSettings settings;
    settings.setValue("font", newFont.toString());
    QApplication::setFont(newFont);
    int ww = QFontMetrics(newFont).width('w');
    setMinimumSize(60*ww, 80*ww);
    resize(60*ww, 80*ww);
  }
}

// Whats This Help
////////////////////////////////////////////////////////////////////////////
void bnsWindow::slotWhatsThis() {
QWhatsThis::enterWhatsThisMode();
}

// Create Menus
////////////////////////////////////////////////////////////////////////////
void bnsWindow::CreateMenu() {
  _menuFile = menuBar()->addMenu(tr("&File"));
  _menuFile->addAction(_actFontSel);
  _menuFile->addSeparator();
  _menuFile->addAction(_actSaveOpt);
  _menuFile->addSeparator();
  _menuFile->addAction(_actQuit);

  _menuHlp = menuBar()->addMenu(tr("&Help"));
  _menuHlp->addAction(_actHelp);
  _menuHlp->addAction(_actAbout);
}

// Tool (Command) Bar
////////////////////////////////////////////////////////////////////////////
void bnsWindow::AddToolbar() {
  QToolBar* toolBar = new QToolBar;
  addToolBar(Qt::BottomToolBarArea, toolBar); 
  toolBar->setMovable(false);
  toolBar->addWidget(new QLabel("                                   "));
  toolBar->addAction(_actwhatsthis);
}

// Save Options
////////////////////////////////////////////////////////////////////////////
void bnsWindow::slotSaveOptions() {
}

// About Dialog - Constructor
////////////////////////////////////////////////////////////////////////////
bnsAboutDlg::bnsAboutDlg(QWidget* parent) : 
   QDialog(parent) {

  QTextBrowser* tb = new QTextBrowser;
  QUrl url; url.setPath(":bnsabout.html");
  tb->setSource(url);
  tb->setReadOnly(true);

  int ww = QFontMetrics(font()).width('w');
  QPushButton* _closeButton = new QPushButton("Close");
  _closeButton->setMaximumWidth(10*ww);
  connect(_closeButton, SIGNAL(clicked()), this, SLOT(close()));

  QGridLayout* dlgLayout = new QGridLayout();
  QLabel* img = new QLabel();
  img->setPixmap(QPixmap(":ntrip-logo.png"));
  dlgLayout->addWidget(img, 0,0);
  dlgLayout->addWidget(new QLabel("BKG NTRIP Server (BNS) Version 1.0"), 0,1);
  dlgLayout->addWidget(tb,1,0,1,2);
  dlgLayout->addWidget(_closeButton,2,1,Qt::AlignRight);  

  setLayout(dlgLayout);
  resize(60*ww, 60*ww);
  show();
}

// About Dialog - Constructor
////////////////////////////////////////////////////////////////////////////
bnsAboutDlg::~bnsAboutDlg() {
};