C++ QComboBox::setWhatsThis方法代码示例

FreqView::FreqView(int viewID_, QWidget *parent)
  : ViewWidget(viewID_, parent)
{
  View *view = gdata->view;

  //setCaption("Frequency View");

  Q3BoxLayout *mainLayout = new Q3VBoxLayout(this);
  mainLayout->setResizeMode(QLayout::SetNoConstraint);
  //QBoxLayout *topLayout = new QVBoxLayout(mainLayout);
  //QBoxLayout *rightLayout = new QVBoxLayout(mainLayout);
  //QBoxLayout *bottomLayout = new QHBoxLayout(mainLayout);


  QSplitter *splitter = new QSplitter(Qt::Vertical, this);
  QWidget *topWidget = new QWidget(splitter);
  //topSplitter->setOpaqueResize(true);
  Q3BoxLayout *topLayout = new Q3HBoxLayout(topWidget);
  Q3BoxLayout *topLeftLayout = new Q3VBoxLayout(topLayout);
  
  timeAxis = new TimeAxis(topWidget, gdata->leftTime(), gdata->rightTime(), true);
  timeAxis->setWhatsThis("The time in seconds");
  topLeftLayout->addWidget(timeAxis);
  
/*
  Q3Grid *freqFrame = new Q3Grid(1, topWidget);
  freqFrame->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
  //freqDrawWidget = new FreqDrawWidget(freqFrame);
  //freqDrawWidget->setFocusPolicy(Qt::NoFocus);
  freqWidgetGL = new FreqWidgetGL(freqFrame);
  freqWidgetGL->setFocusPolicy(Qt::NoFocus);
  topLeftLayout->addWidget(freqFrame);
*/
  QFrame *freqFrame = new QFrame;
  freqFrame->setFrameStyle(QFrame::WinPanel | QFrame::Sunken);
  QVBoxLayout *freqFrameLayout = new QVBoxLayout;
  freqWidgetGL = new FreqWidgetGL(NULL);
  freqWidgetGL->setWhatsThis("The line represents the musical pitch of the sound. A higher pitch moves up, with note names shown at the left, with octave numbers. "
    "The black vertical line shows the current time. This line's position can be moved. "
    "Pitch-lines are drawn connected only because they change a small amount over a small time step. "
    "Note: This may cause semi-tone note changes appear to be joined. Clicking the background and dragging moves the view. "
    "Clicking a pitch-line selects it. Mouse-Wheel scrolls. Shift-Mouse-Wheel zooms");
  //freqWidgetGL = new FreqDrawWidget(NULL);
  freqFrameLayout->addWidget(freqWidgetGL);
  freqFrameLayout->setMargin(0);
  freqFrameLayout->setSpacing(0);
  freqFrame->setLayout(freqFrameLayout);
  topLeftLayout->addWidget(freqFrame);


  //Q3BoxLayout *topRightLayout = new Q3VBoxLayout(topLayout);
  QVBoxLayout *topRightLayout = new QVBoxLayout();
  
  freqWheelY = new QwtWheel(topWidget);
  freqWheelY->setOrientation(Qt::Vertical);
  freqWheelY->setWheelWidth(14);
  freqWheelY->setRange(1.6, 5.0, 0.001, 1);
  //freqWheelY->setValue(3.2);
  //view->setZoomFactorY(3.2);
  freqWheelY->setValue(view->logZoomY());
  QToolTip::add(freqWheelY, "Zoom pitch contour view vertically");
  topRightLayout->addSpacing(20);
  topRightLayout->addWidget(freqWheelY, 0);
  
  //Create the vertical scrollbar
  //vScrollBar = new MyScrollBar(0, toInt((view->topNote()-view->viewHeight())*view->stepY()), 20, toInt(view->viewHeight()*view->stepY()), toInt(view->viewBottom()*view->stepY()), Qt::Vertical, this);
  //vScrollBar = new MyScrollBar(0, gdata->topNote()-view->viewHeight(), 20, view->viewHeight(), view->viewBottom(), 20, Qt::Vertical, this);
  freqScrollBar = new MyScrollBar(0, gdata->topPitch()-view->viewHeight(), 0.5, view->viewHeight(), 0, 20, Qt::Vertical, topWidget);
  freqScrollBar->setValue(gdata->topPitch()-view->viewHeight()-view->viewBottom());
  topRightLayout->addWidget(freqScrollBar, 4);

  topLayout->addLayout(topRightLayout);

/*
  QPushButton *buttonPlusY = new QPushButton("+", topSplitter);
  buttonPlusY->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
  buttonPlusY->setFixedSize(15, 15);
  QToolTip::add(buttonPlusY, "Zoom in vertically");
  QPushButton *buttonMinusY = new QPushButton("-", topSplitter);
  buttonMinusY->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
  buttonMinusY->setFixedSize(15, 15);
  QToolTip::add(buttonMinusY, "Zoom out vertically");
*/  
  

  //------------bottom half------------------
  
  QWidget *bottomWidget = new QWidget(splitter);
  Q3BoxLayout *bottomLayout = new Q3VBoxLayout(bottomWidget);
  Q3BoxLayout *bottomTopLayout = new Q3HBoxLayout(bottomLayout);
  
/*
  Q3Grid *amplitudeFrame = new Q3Grid(1, bottomWidget);
  amplitudeFrame->setFrameStyle(Q3Frame::WinPanel | Q3Frame::Sunken);
  amplitudeWidget = new AmplitudeWidget(amplitudeFrame);
  bottomTopLayout->addWidget(amplitudeFrame);
*/
  QFrame *amplitudeFrame = new QFrame;
  amplitudeFrame->setFrameStyle(QFrame::WinPanel | QFrame::Sunken);
  QVBoxLayout *amplitudeFrameLayout = new QVBoxLayout;
//.........这里部分代码省略.........

void GPConfigDlg::appendWidget(QWidget* parent, CameraWidget* widget)
{
    QWidget* newParent = parent;

    CameraWidgetType widget_type;
    const char* widget_name;
    const char* widget_info;
    const char* widget_label;
    float widget_value_float;
    int widget_value_int;
    const char* widget_value_string;
    gp_widget_get_type(widget, &widget_type);
    gp_widget_get_label(widget, &widget_label);
    gp_widget_get_info(widget, &widget_info);
    gp_widget_get_name(widget, &widget_name);

    // gphoto2 doesn't seem to have any standard for i18n
    QString whats_this = QString::fromLocal8Bit(widget_info);

    // Add this widget to parent
    switch (widget_type)
    {
        case GP_WIDGET_WINDOW:
        {
            setCaption(widget_label);

            break;
        }

        case GP_WIDGET_SECTION:
        {
            if (!d->tabWidget)
            {
                d->tabWidget = new QTabWidget(parent);
                parent->layout()->addWidget(d->tabWidget);
            }

            QWidget* tab = new QWidget(d->tabWidget);
            // widgets are to be aligned vertically in the tab
            QVBoxLayout* tabLayout = new QVBoxLayout(tab, marginHint(),
                                                     spacingHint());
            d->tabWidget->insertTab(tab, widget_label);
            KVBox* tabContainer = new KVBox(tab);
            tabContainer->setSpacing(spacingHint());
            tabLayout->addWidget(tabContainer);
            newParent = tabContainer;

            tabLayout->addStretch();

            break;
        }

        case GP_WIDGET_TEXT:
        {
            gp_widget_get_value(widget, &widget_value_string);

            Q3Grid* grid = new Q3Grid(2, Qt::Horizontal, parent);
            parent->layout()->addWidget(grid);
            grid->setSpacing(spacingHint());
            new QLabel(QString::fromLocal8Bit(widget_label) + ':', grid);
            QLineEdit* lineEdit = new QLineEdit(widget_value_string, grid);
            d->wmap.insert(widget, lineEdit);

            if (!whats_this.isEmpty())
            {
                grid->setWhatsThis(whats_this);
            }

            break;
        }

        case GP_WIDGET_RANGE:
        {
            float widget_low;
            float widget_high;
            float widget_increment;
            gp_widget_get_range(widget, &widget_low, &widget_high, &widget_increment);
            gp_widget_get_value(widget, &widget_value_float);

            Q3GroupBox* groupBox = new Q3GroupBox(1, Qt::Horizontal, widget_label, parent);
            parent->layout()->addWidget(groupBox);
            QSlider* slider = new QSlider(
                (int)widget_low,
                (int)widget_high,
                (int)widget_increment,
                (int)widget_value_float,
                Qt::Horizontal,
                groupBox);
            d->wmap.insert(widget, slider);

            if (!whats_this.isEmpty())
            {
                groupBox->setWhatsThis(whats_this);
            }

            break;
        }

        case GP_WIDGET_TOGGLE:
        {
//.........这里部分代码省略.........