ModelView::GraphCanvas Class Reference

Widget to show scientific figure with multiple 1D graphs. More...

Inheritance diagram for ModelView::GraphCanvas:

Collaboration diagram for ModelView::GraphCanvas:

Classes
struct	GraphCanvasImpl

Signals
void	axisMarginsChanged (int left, int top, int right, int bottom)

Public Member Functions
	GraphCanvas (QWidget *parent=nullptr)
	~GraphCanvas () override
std::unique_ptr< SceneAdapterInterface >	createSceneAdapter () const
void	setAxisMargins (int left, int top, int right, int bottom)
	Set margins between axes rectangle and widget borders. More...
void	setItem (GraphViewportItem *viewport_item)
void	setViewportToContent ()
void	setViewportToContent (double left, double top, double right, double bottom)

Private Attributes
std::unique_ptr< GraphCanvasImpl >	p_impl

Detailed Description

Widget to show scientific figure with multiple 1D graphs.

Contains embedded QCustomPlot widget, shows content of GraphViewportItem.

Definition at line 30 of file graphcanvas.h.

Constructor & Destructor Documentation

GraphCanvas()

GraphCanvas::GraphCanvas ( QWidget *  parent = nullptr )

explicit

Definition at line 83 of file graphcanvas.cpp.

    : QWidget(parent), p_impl(std::make_unique<GraphCanvasImpl>())
{
    auto layout = new QVBoxLayout(this);
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->addWidget(p_impl->custom_plot);
    layout->addWidget(p_impl->status_label);
    setLayout(layout);
 
    setMouseTracking(true);
    p_impl->customPlot()->setMouseTracking(true);
    p_impl->customPlot()->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
    p_impl->customPlot()->axisRect()->setupFullAxesBox(true);
 
    auto on_replot = [this]() {
        QMargins margins = p_impl->customPlot()->axisRect()->margins();
        axisMarginsChanged(margins.left(), margins.top(), margins.right(), margins.bottom());
    };
    connect(p_impl->customPlot(), &QCustomPlot::afterReplot, this, on_replot);
}

References axisMarginsChanged(), and p_impl.

~GraphCanvas()

GraphCanvas::~GraphCanvas ( )

overridedefault

Member Function Documentation

axisMarginsChanged

void ModelView::GraphCanvas::axisMarginsChanged ( int  left, int  top, int  right, int  bottom  )

signal

Referenced by GraphCanvas(), and gui2::SimPlotWidget::SimPlotWidget().

createSceneAdapter()

std::unique_ptr< SceneAdapterInterface > GraphCanvas::createSceneAdapter

(

)

const

Definition at line 112 of file graphcanvas.cpp.

{
    return std::make_unique<CustomPlotSceneAdapter>(p_impl->customPlot());
}

References p_impl.

Referenced by gui2::GraphicsScene::createPlotProxy().

setAxisMargins()

void GraphCanvas::setAxisMargins	(	int	left,
		int	top,
		int	right,
		int	bottom
	)

Set margins between axes rectangle and widget borders.

If the value is negative, leave old margin intact and allow automatic margin adjustment.

Definition at line 130 of file graphcanvas.cpp.

{
    auto customPlot = p_impl->customPlot();
    customPlot->axisRect()->setAutoMargins(autoMarginPolicy(left, top, right, bottom));
 
    QMargins orig = customPlot->axisRect()->margins();
    int new_left = left >= 0 ? left : orig.left();
    int new_top = top >= 0 ? top : orig.top();
    int new_right = right >= 0 ? right : orig.right();
    int new_bottom = bottom >= 0 ? bottom : orig.bottom();
    customPlot->axisRect()->setMargins(QMargins(new_left, new_top, new_right, new_bottom));
 
    customPlot->replot();
}

References p_impl.

Referenced by gui2::SimPlotWidget::SimPlotWidget().

setItem()

void GraphCanvas::setItem

(

GraphViewportItem *

viewport_item

)

Definition at line 107 of file graphcanvas.cpp.

{
    p_impl->viewport_controller->setItem(viewport_item);
}

References p_impl.

Referenced by gui2::GraphCanvasWidget::setItem(), gui2::GraphicsScene::setItem(), and gui2::SimPlotWidget::setModels().

setViewportToContent() [1/2]

void GraphCanvas::setViewportToContent

(

)

Definition at line 122 of file graphcanvas.cpp.

{
    p_impl->setViewportToContent();
}

References p_impl.

setViewportToContent() [2/2]

void GraphCanvas::setViewportToContent	(	double	left,
		double	top,
		double	right,
		double	bottom
	)

Definition at line 117 of file graphcanvas.cpp.

{
    p_impl->setViewportToContent(left, top, right, bottom);
}

References p_impl.

Referenced by gui2::SLDEditor::SLDEditor(), gui2::GraphCanvasWidget::updateViewport(), and gui2::SimPlotWidget::updateViewport().

Member Data Documentation

p_impl

std::unique_ptr<GraphCanvasImpl> ModelView::GraphCanvas::p_impl

private

Definition at line 52 of file graphcanvas.h.

Referenced by GraphCanvas(), createSceneAdapter(), setAxisMargins(), setItem(), and setViewportToContent().

---

The documentation for this class was generated from the following files:

• /home/www/ba/mvvm/view/mvvm/plotting/graphcanvas.h
• /home/www/ba/mvvm/view/mvvm/plotting/graphcanvas.cpp