C++ QTextEdit::currentFont方法代码示例

QFont QTextEditProto::currentFont() const
{
  QTextEdit *item = qscriptvalue_cast<QTextEdit*>(thisObject());
  if (item)
    return item->currentFont();
  return QFont();
}

int TextEdit::currentFont(lua_State * L) // const : QFont
{
	QTextEdit* obj = ObjectHelper<QTextEdit>::check( L, 1);
	QFont* res = ValueInstaller2<QFont>::create( L );
	*res = 	obj->currentFont();
	return 1;
}/*

QTextEdit* VBoxVMLogViewer::createLogPage (const QString &aName)
{
    QWidget *pageContainer = new QWidget();
    QVBoxLayout *pageLayout = new QVBoxLayout (pageContainer);
    QTextEdit *logViewer = new QTextEdit (pageContainer);
    pageLayout->addWidget (logViewer);
    pageLayout->setContentsMargins (10, 10, 10, 10);

    QFont font = logViewer->currentFont();
    font.setFamily ("Courier New,courier");
    logViewer->setFont (font);
    logViewer->setWordWrapMode (QTextOption::NoWrap);
    logViewer->setVerticalScrollBarPolicy (Qt::ScrollBarAlwaysOn);
    logViewer->setReadOnly (true);

    mLogList->addTab (pageContainer, aName);
    return logViewer;
}

GeneralSetup::GeneralSetup(QWidget *parent)
  : QDialog(parent)
{
  ui.setupUi(this);

  connect(ui.acceptButton, SIGNAL(clicked()), 
	  this, SLOT(acceptButtonClicked()));

  setWindowIcon(QIcon(":/icons/Mesh3D.png"));

  // Set minimum height for free text editors:
  QTextEdit *te = ui.headerFreeTextEdit;
  QFont currentFont = te->currentFont();
  QFontMetrics fontMetrics(currentFont);
  int fontHeight = fontMetrics.height();

  ui.headerFreeTextEdit->setMinimumHeight(3*fontHeight);
  ui.simulationFreeTextEdit->setMinimumHeight(3*fontHeight);
  ui.constantsFreeTextEdit->setMinimumHeight(3*fontHeight);  
}

void SqlItemView::setModel(QAbstractItemModel * model)
{
	m_model = model;
	QSqlQueryModel * t = qobject_cast<QSqlQueryModel *>(model);
	if (!t)  { return; }
	QSqlRecord rec(t->record());

	if (scrollWidget->widget())
	{
		delete scrollWidget->takeWidget();
	}

	QWidget * layoutWidget = new QWidget(scrollWidget);
	m_gridLayout = new QGridLayout(layoutWidget);
	QString tmp("%1:");

	for (int i = 0; i < rec.count(); ++i)
	{
		m_gridLayout->addWidget(
			new QLabel(tmp.arg(rec.fieldName(i)), layoutWidget), i, 0);
		QTextEdit * w = new QTextEdit(layoutWidget);
		w->setReadOnly(false);
		w->setAcceptRichText(false);
		int mh = QFontMetrics(w->currentFont()).lineSpacing();
		w->setMinimumHeight(mh);
		w->setSizePolicy(QSizePolicy::Expanding,
                         QSizePolicy::MinimumExpanding);
		m_gridLayout->addWidget(w, i, 1);
		m_gridLayout->setRowMinimumHeight(i, mh);
		connect(w, SIGNAL(textChanged()),
				this, SLOT(textChanged()));
	}
	scrollWidget->setWidget(layoutWidget);

	m_count = rec.count();
}

  /*!
     * \class TextCursorChangeFontFace
   * \author Anders Fernström
   * \date 2005-11-03
   * \date 2006-01-13 (update)
     *
     * \brief Command for changing font face
   *
   * 2005-11-07 AF, Added function (case 4) in switch to change
   * strikckout settings
   * 2005-11-15 AF, added trick to get correct style on links
   * 2006-01-13 AF, remove trick to get correct style on links because
   * it made undo/redo work incorrectly
     */
  void TextCursorChangeFontFace::execute()
  {
    QTextEdit *editor = document()->getCursor()->currentCell()->textEdit();
    QFont font;

    if( editor )
    {
      switch( face_ )
      {
      case 0: // Plain
        editor->setFontWeight( QFont::Normal );
        editor->setFontItalic( false );
        editor->setFontUnderline( false );

        font = editor->currentFont();
        font.setStrikeOut( false );
        editor->setCurrentFont( font );
        break;
      case 1: // Bold
        if( editor->fontWeight() != QFont::Normal )
          editor->setFontWeight( QFont::Normal );
        else
          editor->setFontWeight( QFont::Bold );
        break;
      case 2: // Italic
        if( editor->fontItalic() )
          editor->setFontItalic( false );
        else
          editor->setFontItalic( true );
        break;
      case 3: // Underline
        if( editor->fontUnderline() )
          editor->setFontUnderline( false );
        else
          editor->setFontUnderline( true );
        break;
      case 4: // Strickout
        font = editor->currentFont();
        if( font.strikeOut() )
          font.setStrikeOut( false );
        else
          font.setStrikeOut( true );
        editor->setCurrentFont( font );
        break;
      }

      // ugly trick to make the sure that the links haven't change
      // color
      /*
      if( !editor->toPlainText().isEmpty() )
      {
        int start = editor->textCursor().selectionStart();
        int end = editor->textCursor().selectionEnd();
        editor->setHtml( editor->toHtml() );

        QTextCursor cursor( editor->textCursor() );
        cursor.setPosition( start );
        cursor.setPosition( end, QTextCursor::KeepAnchor );
        editor->setTextCursor( cursor );
      }*/
    }
  }

//----------------------------------------------------------------------------
void DynamicEditor::setupTabs(QDomDocument *elmerDefs, const QString &Section, int ID)
{
  // Clear:
  //-------
  this->ID = ID;

  hash.clear();

  QLayout *layout = this->layout();
  if(layout != NULL) {
    QLayoutItem *item;
    while((item = layout->takeAt(0)) != 0)
      delete item;
    if(tabWidget != NULL) {
      tabWidget->clear();
      delete tabWidget;
    }
    delete layout;
  }

  // Get root element of elmerDefs:
  //-------------------------------
  root = elmerDefs->documentElement();

  tabWidget = new QTabWidget;
  //tabWidget->setTabShape(QTabWidget::Triangular);
  tabWidget->setUsesScrollButtons(true);
  tabWidget->setElideMode(Qt::ElideNone);
  all_stuff = root.firstChildElement("ALL");
  element = root.firstChildElement("PDE");

  tabs = 0;

  while(!element.isNull()) {

    name = element.firstChildElement("Name");

    QGridLayout *grid = new QGridLayout;

    int params = 0;

    for( int iter=0; iter<2; iter++ )
    {
      if ( iter==0 ) {
        if ( name.text().trimmed() == "General" ) continue;
        section = all_stuff.firstChildElement(Section);
      } else  {
        section = element.firstChildElement(Section);
      }

      param = section.firstChildElement("Parameter");
      
      // ML: Added argument "Parameter" for nextSiblingElement(), 5. August 2010:
      for( ; !param.isNull(); param=param.nextSiblingElement("Parameter"), params++ ) {

        // label
        QString widget_type = param.attribute("Widget","Edit");
        QString widget_enabled = param.attribute("Enabled","True");
        QString widget_visible = param.attribute("Visible","True");
        QString paramType = param.firstChildElement("Type").text().trimmed();
        QString labelName = param.firstChildElement("Name").text().trimmed();
        QString sifName   = param.firstChildElement("SifName").text().trimmed();
        if ( sifName == "" ) sifName = labelName;
        QString paramDefault = param.firstChildElement("DefaultValue").text().trimmed();
        QString whatis    = param.firstChildElement("Whatis").text().trimmed();
        QString statusTip = param.firstChildElement("StatusTip").text().trimmed();
        QString fullName  = "/"+name.text().trimmed()+"/"+Section+"/"+labelName+"/"+QString::number(ID);
        h.widget = NULL;

        if ( widget_type == "Edit" ) {
          DynLineEdit *edit = new DynLineEdit;
          h.widget = edit->lineEdit;
          edit->lineEdit->setText(paramDefault);
          edit->name = fullName;
          connect(edit->lineEdit, SIGNAL(returnPressed()),
		  edit, SLOT(editSlot()));
          connect(edit->lineEdit, SIGNAL(textChanged(QString)),
		  this, SLOT(textChangedSlot(QString)));

        } else if (widget_type == "TextEdit") {
	  QTextEdit *textEdit = new QTextEdit;
	  // set height to 5..8 lines of current font:
	  QFont currentFont = textEdit->currentFont();
	  QFontMetrics fontMetrics(currentFont);
	  int fontHeight = fontMetrics.height();
	  textEdit->setMinimumHeight(5*fontHeight);
	  textEdit->setMaximumHeight(8*fontHeight);
	  h.widget = textEdit;

	} else if ( widget_type == "Combo" ) {
          QComboBox *combo = new QComboBox;
          h.widget = combo;

          // combo->setObjectName(labelName);  // removed 30. sept. 2008, ML
          int count = 0, active=0;

          QDomElement item = param.firstChildElement("Item");
          for( ; !item.isNull(); item=item.nextSiblingElement("Item") ) {
            QString itemType = item.attribute( "Type", "" );
//.........这里部分代码省略.........