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C++ QwtDynGridLayout::iterator方法代码示例

本文整理汇总了C++中QwtDynGridLayout::iterator方法的典型用法代码示例。如果您正苦于以下问题：C++ QwtDynGridLayout::iterator方法的具体用法？C++ QwtDynGridLayout::iterator怎么用？C++ QwtDynGridLayout::iterator使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QwtDynGridLayout的用法示例。


在下文中一共展示了QwtDynGridLayout::iterator方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: printLegend

void QwtPlot::printLegend(QPainter *painter, const QRect &rect) const
{
    if ( !d_legend || d_legend->isEmpty() )
        return;

    QLayout *l = d_legend->contentsWidget()->layout();
    if ( l == 0 || !l->inherits("QwtDynGridLayout") )
        return;

    QwtDynGridLayout *legendLayout = (QwtDynGridLayout *)l;

    uint numCols = legendLayout->columnsForWidth(rect.width());
    QValueList<QRect> itemRects = 
        legendLayout->layoutItems(rect, numCols);

    int index = 0;

    QLayoutIterator layoutIterator = legendLayout->iterator();
    for ( QLayoutItem *item = layoutIterator.current(); 
        item != 0; item = ++layoutIterator)
    {
        QWidget *w = item->widget();
        if ( w )
        {
            painter->save();
            painter->setClipping(TRUE);
            QwtPainter::setClipRect(painter, itemRects[index]);

            printLegendItem(painter, w, itemRects[index]);

            index++;
            painter->restore();
        }
    }
}
开发者ID:BackupTheBerlios，项目名称:qtiplot-svn，代码行数:35，代码来源:qwt_plot_print.cpp

示例2: printLegend

void QwtPlot::printLegend(QPainter *painter, const QRect &rect) const
{
    if ( !legend() || legend()->isEmpty() )
        return;

    QLayout *l = legend()->contentsWidget()->layout();
    if ( l == 0 || !l->inherits("QwtDynGridLayout") )
        return;

    QwtDynGridLayout *legendLayout = (QwtDynGridLayout *)l;

    uint numCols = legendLayout->columnsForWidth(rect.width());
#if QT_VERSION < 0x040000
    QValueList<QRect> itemRects =
        legendLayout->layoutItems(rect, numCols);
#else
    QList<QRect> itemRects =
        legendLayout->layoutItems(rect, numCols);
#endif

    int index = 0;

#if QT_VERSION < 0x040000
    QLayoutIterator layoutIterator = legendLayout->iterator();
    for ( QLayoutItem *item = layoutIterator.current();
            item != 0; item = ++layoutIterator) {
#else
    for ( int i = 0; i < legendLayout->count(); i++ ) {
        QLayoutItem *item = legendLayout->itemAt(i);
#endif
        QWidget *w = item->widget();
        if ( w ) {
            painter->save();
            painter->setClipping(true);
            QwtPainter::setClipRect(painter, itemRects[index]);

            printLegendItem(painter, w, itemRects[index]);

            index++;
            painter->restore();
        }
    }
}

/*!
  Print the legend item into a given rectangle.

  \param painter Painter
  \param w Widget representing a legend item
  \param rect Bounding rectangle
*/

void QwtPlot::printLegendItem(QPainter *painter,
                              const QWidget *w, const QRect &rect) const
{
    if ( w->inherits("QwtLegendItem") ) {
        QwtLegendItem *item = (QwtLegendItem *)w;

        painter->setFont(item->font());
        item->drawItem(painter, rect);
    }
}

/*!
  \brief Paint a scale into a given rectangle.
  Paint the scale into a given rectangle.

  \param painter Painter
  \param axisId Axis
  \param startDist Start border distance
  \param endDist End border distance
  \param baseDist Base distance
  \param rect Bounding rectangle
*/

void QwtPlot::printScale(QPainter *painter,
                         int axisId, int startDist, int endDist, int baseDist,
                         const QRect &rect) const
{
    if (!axisEnabled(axisId))
        return;

    const QwtScaleWidget *scaleWidget = axisWidget(axisId);
    if ( scaleWidget->isColorBarEnabled()
            && scaleWidget->colorBarWidth() > 0) {
        const QwtMetricsMap map = QwtPainter::metricsMap();

        QRect r = map.layoutToScreen(rect);
        r.setWidth(r.width() - 1);
        r.setHeight(r.height() - 1);

        scaleWidget->drawColorBar(painter, scaleWidget->colorBarRect(r));

        const int off = scaleWidget->colorBarWidth() + scaleWidget->spacing();
        if ( scaleWidget->scaleDraw()->orientation() == Qt::Horizontal )
            baseDist += map.screenToLayoutY(off);
        else
            baseDist += map.screenToLayoutX(off);
    }

//.........这里部分代码省略.........
开发者ID:420174953，项目名称:qgroundcontrol，代码行数:101，代码来源:qwt_plot_print.cpp

示例3: renderLegend

void QwtPolarPlot::renderLegend( QPainter *painter, const QRect &rect ) const
{
#if 1
  // Shift this code into QwtLegend, so that Qwt/QwtPolar can share it
#endif

  if ( !legend() || legend()->isEmpty() )
    return;

  QLayout *l = legend()->contentsWidget()->layout();
  if ( l == 0 || !l->inherits( "QwtDynGridLayout" ) )
    return;

  QwtDynGridLayout *legendLayout = ( QwtDynGridLayout * )l;

  uint numCols = legendLayout->columnsForWidth( rect.width() );
#if QT_VERSION < 0x040000
  QValueList<QRect> itemRects =
    legendLayout->layoutItems( rect, numCols );
#else
  QList<QRect> itemRects =
    legendLayout->layoutItems( rect, numCols );
#endif

  int index = 0;

#if QT_VERSION < 0x040000
  QLayoutIterator layoutIterator = legendLayout->iterator();
  for ( QLayoutItem *item = layoutIterator.current();
        item != 0; item = ++layoutIterator )
  {
#else
  for ( int i = 0; i < legendLayout->count(); i++ )
  {
    QLayoutItem *item = legendLayout->itemAt( i );
#endif
    QWidget *w = item->widget();
    if ( w )
    {
      painter->save();
      painter->setClipping( true );
      QwtPainter::setClipRect( painter, itemRects[index] );

      renderLegendItem( painter, w, itemRects[index] );

      index++;
      painter->restore();
    }
  }
}

/*!
  Render the legend item into a given rectangle.

  \param painter Painter
  \param w Widget representing a legend item
  \param rect Bounding rectangle
*/

void QwtPolarPlot::renderLegendItem( QPainter *painter,
                                     const QWidget *w, const QRect &rect ) const
{
#if 1
  // Shift this code into QwtLegend, so that Qwt/QwtPolar can share it
#endif
  if ( w->inherits( "QwtLegendItem" ) )
  {
    QwtLegendItem *item = ( QwtLegendItem * )w;

    painter->setFont( item->font() );
    item->drawItem( painter, rect );
  }
}
开发者ID:ACorradini，项目名称:QGIS，代码行数:73，代码来源:qwt_polar_plot.cpp

示例4: printLegend

void QwtPlot::printLegend(QPainter *painter, const QRect &rect) const
{
    if ( !legend() || legend()->isEmpty() )
        return;

    QLayout *l = legend()->contentsWidget()->layout();
    if ( l == 0 || !l->inherits("QwtDynGridLayout") )
        return;

    QwtDynGridLayout *legendLayout = (QwtDynGridLayout *)l;

    uint numCols = legendLayout->columnsForWidth(rect.width());
#if QT_VERSION < 0x040000
    QValueList<QRect> itemRects = 
        legendLayout->layoutItems(rect, numCols);
#else
    QList<QRect> itemRects = 
        legendLayout->layoutItems(rect, numCols);
#endif

    int index = 0;

#if QT_VERSION < 0x040000
    QLayoutIterator layoutIterator = legendLayout->iterator();
    for ( QLayoutItem *item = layoutIterator.current(); 
        item != 0; item = ++layoutIterator)
    {
#else
    for ( int i = 0; i < legendLayout->count(); i++ )
    {
        QLayoutItem *item = legendLayout->itemAt(i);
#endif
        QWidget *w = item->widget();
        if ( w )
        {
            painter->save();
            painter->setClipping(true);
            QwtPainter::setClipRect(painter, itemRects[index]);

            printLegendItem(painter, w, itemRects[index]);

            index++;
            painter->restore();
        }
    }
}

/*!
  Print the legend item into a given rectangle.

  \param painter Painter
  \param w Widget representing a legend item
  \param rect Bounding rectangle
*/

void QwtPlot::printLegendItem(QPainter *painter, 
    const QWidget *w, const QRect &rect) const
{
    if ( w->inherits("QwtLegendItem") )
    {
        QwtLegendItem *item = (QwtLegendItem *)w;

        painter->setFont(item->font());
        item->drawItem(painter, rect);
    }
}

/*!
  \brief Paint a scale into a given rectangle.
  Paint the scale into a given rectangle.

  \param painter Painter
  \param axisId Axis
  \param startDist Start border distance
  \param endDist End border distance
  \param baseDist Base distance
  \param rect Bounding rectangle
*/

void QwtPlot::printScale(QPainter *painter,
    int axisId, int startDist, int endDist, int baseDist, 
    const QRect &rect) const
{
    if (!axisEnabled(axisId))
        return;

    QwtScaleDraw::Alignment align;
    int x, y, w;

    switch(axisId)
    {
        case yLeft:
        {
            x = rect.right() - baseDist + 1;
            y = rect.y() + startDist;
            w = rect.height() - startDist - endDist;
            align = QwtScaleDraw::LeftScale;
            break;
        }
        case yRight:
//.........这里部分代码省略.........
开发者ID:chongle，项目名称:prorata，代码行数:101，代码来源:qwt_plot_print.cpp


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