Exemplo n.º 1
0
void FontGrid::mousePressEvent(QMouseEvent *e)
{
	int letter = getLetter(e->pos());
	if(letter < _letterCountH*_letterCountV) {
		setLetter(letter);
		emit letterClicked(letter);
	}
	setFocus();
}
Exemplo n.º 2
0
void FontGrid::keyPressEvent(QKeyEvent *e)
{
	int letter;

	switch(e->key()) {
	case Qt::Key_Left:
		letter = _letter - 1;
		if(letter >= 0) {
			setLetter(letter);
			emit letterClicked(letter);
		}
		break;
	case Qt::Key_Right:
		letter = _letter + 1;
		if(letter < _letterCountH*_letterCountV) {
			setLetter(letter);
			emit letterClicked(letter);
		}
		break;
	case Qt::Key_Up:
		letter = _letter - _letterCountH;
		if(letter >= 0) {
			setLetter(letter);
			emit letterClicked(letter);
		}
		break;
	case Qt::Key_Down:
		letter = _letter + _letterCountH;
		if(letter < _letterCountH*_letterCountV) {
			setLetter(letter);
			emit letterClicked(letter);
		}
		break;
	}

	QWidget::keyPressEvent(e);
}
Exemplo n.º 3
0
void JumpButtonBar::updateButtons()
{
  int currentButton = mGroupBox->selectedId();

  // the easiest way to remove all buttons ;)
  mButtons.setAutoDelete( true );
  mButtons.clear();
  mButtons.setAutoDelete( false );

  QStringList characters;

  // calculate how many buttons are possible
  QFontMetrics fm = fontMetrics();
  QPushButton *btn = new QPushButton( "", this );
  btn->hide();
  QSize buttonSize = style().sizeFromContents( QStyle::CT_PushButton, btn,
                     fm.size( ShowPrefix, "X - X") ).
                     expandedTo( QApplication::globalStrut() );
  delete btn;

  int buttonHeight = buttonSize.height() + 8;
  uint possibleButtons = (height() / buttonHeight) - 1;

  QString character;
  KABC::AddressBook *ab = mCore->addressBook();
  KABC::AddressBook::Iterator it;
  for ( it = ab->begin(); it != ab->end(); ++it ) {
    KABC::Field *field = 0;
    field = mCore->currentSortField();
    if ( field ) {
      setEnabled( true );
      if ( !field->value( *it ).isEmpty() )
        character = field->value( *it )[ 0 ].lower();
    } else {
      setEnabled( false );
      return;
    }

    if ( !character.isEmpty() && !characters.contains( character ) )
      characters.append( character );
  }

  sortListLocaleAware( characters );

  if ( characters.count() <= possibleButtons ) {
    // at first the easy case: all buttons fits in window
    for ( uint i = 0; i < characters.count(); ++i ) {
      JumpButton *button = new JumpButton( characters[ i ], QString::null,
                                           mGroupBox );
      connect( button, SIGNAL( clicked() ), this, SLOT( letterClicked() ) );
      mButtons.append( button );
      button->show();
    }
  } else {
    if ( possibleButtons == 0 ) // to avoid crashes on startup
      return;
    int offset = characters.count() / possibleButtons;
    int odd = characters.count() % possibleButtons;
    if ( odd )
      offset++;

    int current = 0;
    for ( uint i = 0; i < possibleButtons; ++i ) {
      if ( characters.count() - current == 0 )
        continue;
      if ( characters.count() - current <= possibleButtons - i ) {
        JumpButton *button = new JumpButton( characters[ current ],
                                             QString::null, mGroupBox );
        connect( button, SIGNAL( clicked() ), this, SLOT( letterClicked() ) );
        mButtons.append( button );
        button->show();
        current++;
      } else {
        int pos = ( current + offset >= (int)characters.count() ?
                    characters.count() - 1 : current + offset - 1 );
        QString range;
        for ( int j = current; j < pos + 1; ++j )
          range.append( characters[ j ] );
        JumpButton *button = new JumpButton( characters[ current ],
                                             characters[ pos ], mGroupBox );
        connect( button, SIGNAL( clicked() ), this, SLOT( letterClicked() ) );
        mButtons.append( button );
        button->show();
        current = ( i + 1 ) * offset;
      }
    }
  }

  if ( currentButton != -1 )
    mGroupBox->setButton( currentButton );
  else
    mGroupBox->setButton( 0 );

  int maxWidth = 0;
  QPushButton *button;
  for ( button = mButtons.first(); button; button = mButtons.next() )
    maxWidth = QMAX( maxWidth, button->sizeHint().width() );

  setFixedWidth( maxWidth );
}