C++ WComboBox::addItem方法代码示例

WWidget *FormWidgets::wComboBox()
{
  WContainerWidget *result = new WContainerWidget();

  topic("WComboBox", result);
  addText(tr("formwidgets-WComboBox"), result);
  WComboBox *cb = new WComboBox(result);
  cb->addItem("Heavy");
  cb->addItem("Medium");
  cb->addItem("Light");
  cb->setCurrentIndex(1); // select 'Medium'
  ed_->showSignal(cb->sactivated(), "Combo-box 1 activated: ");

  addText(tr("formwidgets-WComboBox-model"), result);
  
  addText(tr("formwidgets-WComboBox-style"), result);
  WComboBox *colorCb = new WComboBox(result);
  WStandardItemModel* model = new WStandardItemModel(colorCb);
  model->insertColumns(0, 3);
  addColorElement(model, "Red", "combo-red");
  addColorElement(model, "Blue", "combo-blue");
  addColorElement(model, "Green", "combo-green");
  colorCb->setModel(model);
  colorCb->setCurrentIndex(0); // select 'Red'
  ed_->showSignal(colorCb->sactivated(), "Combo-box 2 activated: ");

  return result;
}

WWidget *StyleLayout::wLoadingIndicator()
{
  WContainerWidget *result = new WContainerWidget();
  topic("WLoadingIndicator", result);

  addText(tr("style-WLoadingIndicator"), result);

  //fix for the WOverlayLoadingIndicator
  WApplication::instance()->styleSheet().addRule("body", "margin: 0px");

  addText("Select a loading indicator:  ", result);
  WComboBox *cb = new WComboBox(result);
  cb->addItem("WDefaultLoadingIndicator");
  cb->addItem("WOverlayLoadingIndicator");
  cb->addItem("EmwebLoadingIndicator");
  cb->setCurrentIndex(0);
  cb->sactivated().connect(this, &StyleLayout::loadingIndicatorSelected);
  new WBreak(result);
  WPushButton *load = new WPushButton("Load!", result);
  load->clicked().connect(this, &StyleLayout::load);

  return result;
}

ChartSettings::ChartSettings(WCartesian3DChart *chart,
			     WContainerWidget * parent)
  : WContainerWidget(parent),
    chart_(chart)
{
  WTemplate* template_ = new WTemplate(Wt::WString::tr("chartconfig-template"), this);

  WCheckBox *autoRangeX_ = new WCheckBox(this);
  template_->bindWidget("xAuto", autoRangeX_);
  autoRangeX_->setCheckState(Wt::Checked);
  chart_->initLayout();
  WLineEdit *xMin_ = new WLineEdit
    (Wt::asString(chart_->axis(XAxis_3D).minimum()), this);
  template_->bindWidget("xAxisMin", xMin_);
  xMin_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  xMin_->setEnabled(false);
  WLineEdit *xMax_ = new WLineEdit
    (Wt::asString(chart_->axis(XAxis_3D).maximum()), this);
  template_->bindWidget("xAxisMax", xMax_);
  xMax_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  xMax_->setEnabled(false);

  WCheckBox *autoRangeY_ = new WCheckBox(this);
  template_->bindWidget("yAuto", autoRangeY_);
  autoRangeY_->setCheckState(Wt::Checked);
  WLineEdit *yMin_ = new WLineEdit
    (Wt::asString(chart_->axis(YAxis_3D).minimum()), this);
  template_->bindWidget("yAxisMin", yMin_);
  yMin_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  yMin_->setEnabled(false);
  WLineEdit *yMax_ = new WLineEdit
    (Wt::asString(chart_->axis(YAxis_3D).maximum()), this);
  template_->bindWidget("yAxisMax", yMax_);
  yMax_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  yMax_->setEnabled(false);

  WCheckBox *autoRangeZ_ = new WCheckBox(this);
  template_->bindWidget("zAuto", autoRangeZ_);
  autoRangeZ_->setCheckState(Wt::Checked);
  WLineEdit *zMin_ = new WLineEdit
    (Wt::asString(chart_->axis(ZAxis_3D).minimum()), this);
  template_->bindWidget("zAxisMin", zMin_);
  zMin_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  zMin_->setEnabled(false);
  WLineEdit *zMax_ = new WLineEdit
    (Wt::asString(chart_->axis(ZAxis_3D).maximum()), this);
  template_->bindWidget("zAxisMax", zMax_);
  zMax_->setValidator(new Wt::WDoubleValidator(-std::numeric_limits<double>::max(), std::numeric_limits<double>::max()));
  zMax_->setEnabled(false);

  WLineEdit *title = new WLineEdit(this);
  template_->bindWidget("chartTitle", title);
  WCheckBox *enableLegend = new WCheckBox(this);
  template_->bindWidget("chartLegend", enableLegend);
  WComboBox *legendSide = new WComboBox(this);
  legendSide->addItem("Left");
  legendSide->addItem("Right");
  legendSide->addItem("Top");
  legendSide->addItem("Bottom");
  template_->bindWidget("legendside", legendSide);
  switch (chart_->legendSide()) {
  case Left:
    legendSide->setCurrentIndex(0); break;
  case Right:
    legendSide->setCurrentIndex(1); break;
  case Top:
    legendSide->setCurrentIndex(2); break;
  case Bottom:
    legendSide->setCurrentIndex(3); break;
  default:
    break;
  }
  WComboBox *legendAlignment = new WComboBox(this);
  legendAlignment->addItem("Left");
  legendAlignment->addItem("Center");
  legendAlignment->addItem("Right");
  legendAlignment->addItem("Top");
  legendAlignment->addItem("Middle");
  legendAlignment->addItem("Bottom");
  template_->bindWidget("legendalignment", legendAlignment);
  switch (chart_->legendAlignment()) {
  case AlignLeft:
    legendAlignment->setCurrentIndex(0); break;
  case AlignCenter:
    legendAlignment->setCurrentIndex(1); break;
  case AlignRight:
    legendAlignment->setCurrentIndex(2); break;
  case AlignTop:
    legendAlignment->setCurrentIndex(3); break;
  case AlignMiddle:
    legendAlignment->setCurrentIndex(4); break;
  case AlignBottom:
    legendAlignment->setCurrentIndex(5); break;
  default:
    break;
  }
  WCheckBox *enableGridLines = new WCheckBox(this);
  template_->bindWidget("gridlines", enableGridLines);
  WLineEdit *widgetWidth = new WLineEdit(Wt::asString(chart_->width().value()), this);
  widgetWidth->setValidator(new Wt::WIntValidator(1, 2000));
//.........这里部分代码省略.........