void MainWindow::genLayoutsystem_MultipleAxisRects()
{
resetPlot(false);
customPlot->plotLayout()->clear(); // let's start from scratch and remove the default axis rect
// add the first axis rect in second row (row index 1):
QCPAxisRect *topAxisRect = new QCPAxisRect(customPlot);
customPlot->plotLayout()->addElement(1, 0, topAxisRect);
// create a sub layout that we'll place in first row:
QCPLayoutGrid *subLayout = new QCPLayoutGrid;
customPlot->plotLayout()->addElement(0, 0, subLayout);
// add two axis rects in the sub layout next to each other:
QCPAxisRect *leftAxisRect = new QCPAxisRect(customPlot);
QCPAxisRect *rightAxisRect = new QCPAxisRect(customPlot);
subLayout->addElement(0, 0, leftAxisRect);
subLayout->addElement(0, 1, rightAxisRect);
subLayout->setColumnStretchFactor(0, 3); // left axis rect shall have 60% of width
subLayout->setColumnStretchFactor(1, 2); // right one only 40% (3:2 = 60:40)
// since we've created the axis rects and axes from scratch, we need to place them on
// according layers, if we don't want the grid to be drawn above the axes etc.
// place the axis on "axes" layer and grids on the "grid" layer, which is below "axes":
QList<QCPAxis*> allAxes;
allAxes << topAxisRect->axes() << leftAxisRect->axes() << rightAxisRect->axes();
foreach (QCPAxis *axis, allAxes)
{
axis->setLayer("axes");
axis->grid()->setLayer("grid");
}
void MainWindow::setupMultiAxisRectInteractions(QCustomPlot *customPlot)
{
QCPAxisRect *r1 = new QCPAxisRect(customPlot);
customPlot->plotLayout()->addElement(1, 0, r1);
QCPAxisRect *r2 = new QCPAxisRect(customPlot);
customPlot->plotLayout()->addElement(0, 1, r2);
QCPAxisRect *r3 = new QCPAxisRect(customPlot);
customPlot->plotLayout()->addElement(1, 1, r3);
QCPAxisRect *inset = new QCPAxisRect(customPlot);
inset->setMinimumSize(170, 120);
inset->setupFullAxesBox(true);
foreach (QCPAxis *ax, inset->axes())
ax->setAutoTickCount(3);
r3->insetLayout()->addElement(inset, Qt::AlignRight|Qt::AlignTop);
connect(mCustomPlot, SIGNAL(mouseMove(QMouseEvent*)), this, SLOT(setupMultiAxisRectInteractionsMouseMove(QMouseEvent*)));
}