int PlotItem::CalcXExtent (QwtPlot& plot) const
{
int result = 0;
if (LeftAxisEnabled_)
result += plot.axisScaleDraw (QwtPlot::yLeft)->
extent (plot.axisFont (QwtPlot::yLeft));
return result;
}
void PlotMatrix::updateLayout()
{
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plot( row, col );
if ( p )
{
bool showAxis[QwtPlot::axisCnt];
showAxis[QwtPlot::xBottom] =
axisEnabled( QwtPlot::xBottom ) && row == numRows() - 1;
showAxis[QwtPlot::xTop] =
axisEnabled( QwtPlot::xTop ) && row == 0;
showAxis[QwtPlot::yLeft] =
axisEnabled( QwtPlot::yLeft ) && col == 0;
showAxis[QwtPlot::yRight] =
axisEnabled( QwtPlot::yRight ) && col == numColumns() - 1;
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( axis == QwtPlot::xBottom || axis == QwtPlot::xTop )
p->enableAxis( axis, showAxis[axis] );
else
{
p->enableAxis( axis, true );
QwtScaleDraw *sd = p->axisScaleDraw( axis );
sd->enableComponent(
QwtScaleDraw::Backbone, showAxis[axis] );
sd->enableComponent(
QwtScaleDraw::Ticks, showAxis[axis] );
sd->enableComponent(
QwtScaleDraw::Labels, showAxis[axis] );
}
}
}
}
}
for ( int col = 0; col < numColumns(); col++ )
{
alignVAxes( col, QwtPlot::yLeft );
alignVAxes( col, QwtPlot::yRight );
}
for ( int row = 0; row < numRows(); row++ )
{
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plot( row, col );
if ( p )
p->replot();
}
}
}
int PlotItem::CalcYExtent (QwtPlot& plot) const
{
int result = 0;
if (BottomAxisEnabled_)
result += plot.axisScaleDraw (QwtPlot::xBottom)->
extent (plot.axisFont (QwtPlot::xBottom));
if (!PlotTitle_.isEmpty ())
result += plot.titleLabel ()->sizeHint ().height ();
return result;
}