ResInsight/ApplicationCode/UserInterface/RiuQwtPlotWidget.cpp
2020-04-21 14:00:22 +02:00

1095 lines
42 KiB
C++

////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2015- Statoil ASA
// Copyright (C) 2015- Ceetron Solutions AS
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiuQwtPlotWidget.h"
#include "RiaColorTools.h"
#include "RiaFontCache.h"
#include "RiaGuiApplication.h"
#include "RiaPlotWindowRedrawScheduler.h"
#include "RimPlot.h"
#include "RiuDraggableOverlayFrame.h"
#include "RiuPlotMainWindowTools.h"
#include "RiuQwtCurvePointTracker.h"
#include "RiuQwtLinearScaleEngine.h"
#include "RiuQwtPlotTools.h"
#include "RiuQwtScalePicker.h"
#include "cafAssert.h"
#include "qwt_legend.h"
#include "qwt_legend_label.h"
#include "qwt_plot_canvas.h"
#include "qwt_plot_curve.h"
#include "qwt_plot_grid.h"
#include "qwt_plot_layout.h"
#include "qwt_plot_marker.h"
#include "qwt_plot_picker.h"
#include "qwt_plot_renderer.h"
#include "qwt_scale_draw.h"
#include "qwt_scale_widget.h"
#include "qwt_symbol.h"
#include "qwt_text.h"
#include "qwt_text_label.h"
#include <QDebug>
#include <QDrag>
#include <QFont>
#include <QFontMetrics>
#include <QGraphicsDropShadowEffect>
#include <QLabel>
#include <QMimeData>
#include <QMouseEvent>
#include <QScrollArea>
#include <QWheelEvent>
#include <algorithm>
#include <cfloat>
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuQwtPlotWidget::RiuQwtPlotWidget( RimPlot* plotDefinition, QWidget* parent )
: QwtPlot( parent )
, m_plotDefinition( plotDefinition )
, m_overlayMargins( 5 )
{
CAF_ASSERT( m_plotDefinition );
RiuQwtPlotTools::setCommonPlotBehaviour( this );
this->installEventFilter( this );
this->canvas()->installEventFilter( this );
this->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuQwtPlotWidget::~RiuQwtPlotWidget()
{
if ( m_plotDefinition )
{
m_plotDefinition->detachAllCurves();
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimPlot* RiuQwtPlotWidget::plotDefinition()
{
return m_plotDefinition;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuQwtPlotWidget::isChecked() const
{
if ( m_plotDefinition )
{
return m_plotDefinition->showWindow();
}
return false;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::colSpan() const
{
if ( m_plotDefinition )
{
return m_plotDefinition->colSpan();
}
return 1;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::rowSpan() const
{
if ( m_plotDefinition )
{
return m_plotDefinition->rowSpan();
}
return 1;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::axisTitleFontSize( QwtPlot::Axis axis ) const
{
if ( this->axisEnabled( axis ) )
{
return this->axisFont( axis ).pointSize();
}
return -1;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::axisValueFontSize( QwtPlot::Axis axis ) const
{
if ( this->axisEnabled( axis ) )
{
return this->axisTitle( axis ).font().pointSize();
}
return -1;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisFontsAndAlignment( QwtPlot::Axis axis,
int titleFontSize,
int valueFontSize,
bool titleBold,
int alignment )
{
// Axis number font
QFont axisFont = this->axisFont( axis );
axisFont.setPixelSize( RiaFontCache::pointSizeToPixelSize( valueFontSize ) );
axisFont.setBold( false );
this->setAxisFont( axis, axisFont );
// Axis title font
QwtText axisTitle = this->axisTitle( axis );
QFont axisTitleFont = axisTitle.font();
axisTitleFont.setPixelSize( RiaFontCache::pointSizeToPixelSize( titleFontSize ) );
axisTitleFont.setBold( titleBold );
axisTitle.setFont( axisTitleFont );
axisTitle.setRenderFlags( alignment | Qt::TextWordWrap );
setAxisTitle( axis, axisTitle );
applyAxisTitleToQwt( axis );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisTitleText( QwtPlot::Axis axis, const QString& title )
{
m_axisTitles[axis] = title;
applyAxisTitleToQwt( axis );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisTitleEnabled( QwtPlot::Axis axis, bool enable )
{
m_axisTitlesEnabled[axis] = enable;
applyAxisTitleToQwt( axis );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setPlotTitle( const QString& plotTitle )
{
m_plotTitle = plotTitle;
applyPlotTitleToQwt();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
const QString& RiuQwtPlotWidget::plotTitle() const
{
return m_plotTitle;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setPlotTitleEnabled( bool enabled )
{
m_plotTitleEnabled = enabled;
applyPlotTitleToQwt();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuQwtPlotWidget::plotTitleEnabled() const
{
return m_plotTitleEnabled;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setLegendFontSize( int fontSize )
{
if ( legend() )
{
QFont font = legend()->font();
font.setPixelSize( RiaFontCache::pointSizeToPixelSize( fontSize ) );
legend()->setFont( font );
// Set font size for all existing labels
QList<QwtLegendLabel*> labels = legend()->findChildren<QwtLegendLabel*>();
for ( QwtLegendLabel* label : labels )
{
label->setFont( font );
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setLegendVisible( bool visible )
{
if ( visible )
{
QwtLegend* legend = new QwtLegend( this );
this->insertLegend( legend, BottomLegend );
}
else
{
this->insertLegend( nullptr );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QwtInterval RiuQwtPlotWidget::axisRange( QwtPlot::Axis axis ) const
{
return axisScaleDiv( axis ).interval();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisRange( QwtPlot::Axis axis, double min, double max )
{
// Note: Especially the Y-axis may be inverted
if ( axisScaleEngine( axis )->testAttribute( QwtScaleEngine::Inverted ) )
{
setAxisScale( axis, max, min );
}
else
{
setAxisScale( axis, min, max );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisInverted( QwtPlot::Axis axis )
{
axisScaleEngine( axis )->setAttribute( QwtScaleEngine::Inverted, true );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAxisLabelsAndTicksEnabled( QwtPlot::Axis axis, bool enableLabels, bool enableTicks )
{
this->axisScaleDraw( axis )->enableComponent( QwtAbstractScaleDraw::Ticks, enableTicks );
this->axisScaleDraw( axis )->enableComponent( QwtAbstractScaleDraw::Labels, enableLabels );
recalculateAxisExtents( axis );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::enableGridLines( QwtPlot::Axis axis, bool majorGridLines, bool minorGridLines )
{
QwtPlotItemList plotItems = this->itemList( QwtPlotItem::Rtti_PlotGrid );
for ( QwtPlotItem* plotItem : plotItems )
{
QwtPlotGrid* grid = static_cast<QwtPlotGrid*>( plotItem );
if ( axis == QwtPlot::xTop || axis == QwtPlot::xBottom )
{
grid->setXAxis( axis );
grid->enableX( majorGridLines );
grid->enableXMin( minorGridLines );
}
else
{
grid->setYAxis( axis );
grid->enableY( majorGridLines );
grid->enableYMin( minorGridLines );
}
grid->setMajorPen( Qt::lightGray, 1.0, Qt::SolidLine );
grid->setMinorPen( Qt::lightGray, 1.0, Qt::DashLine );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setMajorAndMinorTickIntervals( QwtPlot::Axis axis,
double majorTickInterval,
double minorTickInterval,
double minValue,
double maxValue )
{
RiuQwtLinearScaleEngine* scaleEngine = dynamic_cast<RiuQwtLinearScaleEngine*>( this->axisScaleEngine( axis ) );
if ( scaleEngine )
{
QwtScaleDiv scaleDiv =
scaleEngine->divideScaleWithExplicitIntervals( minValue, maxValue, majorTickInterval, minorTickInterval );
this->setAxisScaleDiv( axis, scaleDiv );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setMajorAndMinorTickIntervalsAndRange( QwtPlot::Axis axis,
double majorTickInterval,
double minorTickInterval,
double minTickValue,
double maxTickValue,
double rangeMin,
double rangeMax )
{
RiuQwtLinearScaleEngine* scaleEngine = dynamic_cast<RiuQwtLinearScaleEngine*>( this->axisScaleEngine( axis ) );
if ( scaleEngine )
{
QwtScaleDiv scaleDiv = scaleEngine->divideScaleWithExplicitIntervalsAndRange( minTickValue,
maxTickValue,
majorTickInterval,
minorTickInterval,
rangeMin,
rangeMax );
this->setAxisScaleDiv( axis, scaleDiv );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setAutoTickIntervalCounts( QwtPlot::Axis axis,
int maxMajorTickIntervalCount,
int maxMinorTickIntervalCount )
{
this->setAxisMaxMajor( axis, maxMajorTickIntervalCount );
this->setAxisMaxMinor( axis, maxMinorTickIntervalCount );
// Reapply axis limits to force Qwt to use the tick settings.
QwtInterval currentRange = this->axisInterval( axis );
setAxisScale( axis, currentRange.minValue(), currentRange.maxValue() );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
double RiuQwtPlotWidget::majorTickInterval( QwtPlot::Axis axis ) const
{
QwtScaleDiv scaleDiv = this->axisScaleDiv( axis );
QList<double> majorTicks = scaleDiv.ticks( QwtScaleDiv::MajorTick );
if ( majorTicks.size() < 2 ) return 0.0;
return majorTicks.at( 1 ) - majorTicks.at( 0 );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
double RiuQwtPlotWidget::minorTickInterval( QwtPlot::Axis axis ) const
{
QwtScaleDiv scaleDiv = this->axisScaleDiv( QwtPlot::xTop );
QList<double> minorTicks = scaleDiv.ticks( QwtScaleDiv::MinorTick );
if ( minorTicks.size() < 2 ) return 0.0;
return minorTicks.at( 1 ) - minorTicks.at( 0 );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::axisExtent( QwtPlot::Axis axis ) const
{
if ( std::abs( axisRange( axis ).maxValue() - axisRange( axis ).minValue() ) < 1.0e-14 ) return 0;
int lineExtent = 0;
if ( this->axisScaleDraw( axis )->hasComponent( QwtAbstractScaleDraw::Ticks ) )
{
lineExtent += this->axisScaleDraw( axis )->maxTickLength();
}
if ( this->axisScaleDraw( axis )->hasComponent( QwtAbstractScaleDraw::Labels ) )
{
QFont tickLabelFont = axisFont( axis );
// Make space for a fairly long value label
QSize labelSize = QFontMetrics( tickLabelFont ).boundingRect( QString( "9.9e-9" ) ).size();
if ( axis == QwtPlot::yLeft || axis == QwtPlot::yRight )
{
lineExtent = labelSize.width();
}
else
{
lineExtent = labelSize.height();
}
}
if ( !axisTitle( axis ).text().isEmpty() )
{
auto it = m_axisTitlesEnabled.find( axis );
if ( it != m_axisTitlesEnabled.end() && it->second )
{
QFont titleFont = axisTitle( axis ).font();
// Label is aligned vertically on vertical axes
// So height is sufficient in both cases.
lineExtent += QFontMetrics( titleFont ).height();
}
}
return lineExtent;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuQwtPlotWidget::frameIsInFrontOfThis( const QRect& frameGeometry )
{
QRect ownGeometry = this->canvas()->geometry();
ownGeometry.translate( this->geometry().topLeft() );
if ( frameGeometry.bottom() < ownGeometry.center().y() )
{
return true;
}
else if ( frameGeometry.left() < ownGeometry.left() && frameGeometry.top() < ownGeometry.center().y() )
{
return true;
}
else
{
QRect intersection = ownGeometry.intersected( frameGeometry );
double ownArea = double( ownGeometry.height() ) * double( ownGeometry.width() );
double frameArea = double( frameGeometry.height() ) * double( frameGeometry.width() );
double intersectionArea = double( intersection.height() ) * double( intersection.width() );
if ( intersectionArea > 0.8 * std::min( ownArea, frameArea ) )
{
return true;
}
}
return false;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QPoint RiuQwtPlotWidget::dragStartPosition() const
{
return m_clickPosition;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::scheduleReplot()
{
RiaPlotWindowRedrawScheduler::instance()->schedulePlotWidgetReplot( this );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::stashWidgetStates()
{
m_plotStyleSheet.stashWidgetStates();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::restoreWidgetStates()
{
m_plotStyleSheet.restoreWidgetStates();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::setWidgetState( const QString& widgetState )
{
caf::UiStyleSheet::clearWidgetStates( this );
m_plotStyleSheet.setWidgetState( this, widgetState );
}
//--------------------------------------------------------------------------------------------------
/// Adds an overlay frame. The overlay frame becomes the responsibility of the plot widget
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::addOverlayFrame( RiuDraggableOverlayFrame* overlayFrame )
{
if ( std::find( m_overlayFrames.begin(), m_overlayFrames.end(), overlayFrame ) == m_overlayFrames.end() )
{
overlayFrame->setParent( this->canvas() );
m_overlayFrames.push_back( overlayFrame );
updateLayout();
}
}
//--------------------------------------------------------------------------------------------------
/// Remove the overlay widget. The frame becomes the responsibility of the caller
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::removeOverlayFrame( RiuDraggableOverlayFrame* overlayFrame )
{
CAF_ASSERT( overlayFrame );
overlayFrame->hide();
overlayFrame->setParent( nullptr );
m_overlayFrames.removeOne( overlayFrame );
};
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::updateLayout()
{
QwtPlot::updateLayout();
updateOverlayFrameLayout();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuQwtPlotWidget::eventFilter( QObject* watched, QEvent* event )
{
QWheelEvent* wheelEvent = dynamic_cast<QWheelEvent*>( event );
if ( wheelEvent && watched == canvas() )
{
event->accept();
emit onWheelEvent( wheelEvent );
return true;
}
QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>( event );
if ( mouseEvent )
{
if ( isZoomerActive() ) return false;
bool toggleItemInSelection = ( mouseEvent->modifiers() & Qt::ControlModifier ) != 0;
if ( mouseEvent->type() == QMouseEvent::MouseButtonPress && mouseEvent->button() == Qt::LeftButton )
{
m_clickPosition = mouseEvent->pos();
}
if ( watched == this && !this->canvas()->geometry().contains( mouseEvent->pos() ) )
{
if ( mouseEvent->type() == QMouseEvent::MouseButtonRelease && ( mouseEvent->button() == Qt::LeftButton ) &&
!m_clickPosition.isNull() )
{
QWidget* childClicked = this->childAt( m_clickPosition );
if ( childClicked )
{
QwtScaleWidget* scaleWidget = qobject_cast<QwtScaleWidget*>( childClicked );
if ( scaleWidget )
{
onAxisSelected( scaleWidget, toggleItemInSelection );
m_clickPosition = QPoint();
return true;
}
}
else
{
endZoomOperations();
emit plotSelected( toggleItemInSelection );
m_clickPosition = QPoint();
return true;
}
}
}
else if ( watched == canvas() )
{
if ( mouseEvent->type() == QMouseEvent::MouseButtonRelease && mouseEvent->button() == Qt::LeftButton &&
!m_clickPosition.isNull() )
{
endZoomOperations();
selectClosestCurve( mouseEvent->pos(), toggleItemInSelection );
m_clickPosition = QPoint();
return true;
}
}
}
return false;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::hideEvent( QHideEvent* event )
{
resetCurveHighlighting();
QwtPlot::hideEvent( event );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::showEvent( QShowEvent* event )
{
m_plotStyleSheet = createPlotStyleSheet();
m_plotStyleSheet.applyToWidget( this );
m_canvasStyleSheet = createCanvasStyleSheet();
m_canvasStyleSheet.applyToWidget( canvas() );
QwtPlot::showEvent( event );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::resizeEvent( QResizeEvent* event )
{
QwtPlot::resizeEvent( event );
updateOverlayFrameLayout();
event->accept();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::keyPressEvent( QKeyEvent* event )
{
emit onKeyPressEvent( event );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::applyPlotTitleToQwt()
{
QString plotTitleToApply = m_plotTitleEnabled ? m_plotTitle : QString( "" );
QwtText plotTitle = this->title();
if ( plotTitleToApply != plotTitle.text() )
{
plotTitle.setText( plotTitleToApply );
setTitle( plotTitle );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::applyAxisTitleToQwt( QwtPlot::Axis axis )
{
QString titleToApply = m_axisTitlesEnabled[axis] ? m_axisTitles[axis] : QString( "" );
QwtText axisTitle = this->axisTitle( axis );
if ( titleToApply != axisTitle.text() )
{
axisTitle.setText( titleToApply );
setAxisTitle( axis, axisTitle );
}
recalculateAxisExtents( axis );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QSize RiuQwtPlotWidget::sizeHint() const
{
return QSize( 0, 0 );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QSize RiuQwtPlotWidget::minimumSizeHint() const
{
return QSize( 0, 0 );
}
//--------------------------------------------------------------------------------------------------
/// Empty default implementation
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::selectPoint( QwtPlotCurve* curve, int pointNumber )
{
}
//--------------------------------------------------------------------------------------------------
/// Empty default implementation
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::clearPointSelection()
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuQwtPlotWidget::isZoomerActive() const
{
return false;
}
//--------------------------------------------------------------------------------------------------
/// Empty default implementation
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::endZoomOperations()
{
}
//--------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::renderTo( QPainter* painter, const QRect& targetRect, double scaling )
{
static_cast<QwtPlotCanvas*>( this->canvas() )->setPaintAttribute( QwtPlotCanvas::BackingStore, false );
QPoint plotTopLeftInWindowCoords = targetRect.topLeft();
QRectF canvasRect = this->plotLayout()->canvasRect();
QPoint canvasTopLeftInPlotCoords( canvasRect.topLeft().x() * scaling, canvasRect.topLeft().y() * scaling );
QPoint canvasBottomRightInPlotCoords( canvasRect.bottomRight().x(), canvasRect.bottomRight().y() );
QPoint canvasTopLeftInWindowCoords = canvasTopLeftInPlotCoords + plotTopLeftInWindowCoords;
QPoint canvasBottomRightInWindowCoords = canvasBottomRightInPlotCoords + plotTopLeftInWindowCoords;
QwtPlotRenderer renderer( this );
renderer.render( this, painter, targetRect );
static_cast<QwtPlotCanvas*>( this->canvas() )->setPaintAttribute( QwtPlotCanvas::BackingStore, true );
for ( RiuDraggableOverlayFrame* overlayFrame : m_overlayFrames )
{
if ( overlayFrame->isVisible() )
{
QPoint overlayTopLeftInCanvasCoords = overlayFrame->frameGeometry().topLeft();
QPoint overlayTopLeftInWindowCoords = overlayTopLeftInCanvasCoords + canvasTopLeftInWindowCoords;
{
QRect overlayRect = overlayFrame->frameGeometry();
QSize desiredSize = overlayRect.size();
QSize minimumSize = overlayFrame->minimumSizeHint();
QSize actualSize = desiredSize.expandedTo( minimumSize );
overlayRect.moveTo( overlayTopLeftInWindowCoords );
overlayRect.setSize( actualSize );
QPoint overlayBottomRightInWindowCoords = overlayRect.bottomRight();
overlayBottomRightInWindowCoords.setX(
std::min( overlayBottomRightInWindowCoords.x(),
canvasBottomRightInWindowCoords.x() - (int)scaling * m_overlayMargins ) );
overlayBottomRightInWindowCoords.setY(
std::min( overlayBottomRightInWindowCoords.y(),
canvasBottomRightInWindowCoords.y() - (int)scaling * m_overlayMargins ) );
overlayRect.moveBottomRight( overlayBottomRightInWindowCoords );
overlayFrame->renderTo( painter, overlayRect );
}
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::renderTo( QPaintDevice* paintDevice, const QRect& targetRect )
{
int resolution = paintDevice->logicalDpiX();
double scaling = resolution / static_cast<double>( RiaGuiApplication::applicationResolution() );
QPainter painter( paintDevice );
renderTo( &painter, targetRect, scaling );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::overlayMargins() const
{
return m_overlayMargins;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RimViewWindow* RiuQwtPlotWidget::ownerViewWindow() const
{
return m_plotDefinition;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::onAxisSelected( QwtScaleWidget* scale, bool toggleItemInSelection )
{
int axisId = -1;
for ( int i = 0; i < QwtPlot::axisCnt; ++i )
{
if ( scale == this->axisWidget( i ) )
{
axisId = i;
}
}
emit axisSelected( axisId, toggleItemInSelection );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::recalculateAxisExtents( QwtPlot::Axis axis )
{
if ( axis == QwtPlot::yLeft || axis == QwtPlot::yRight )
{
int extent = axisExtent( axis );
axisScaleDraw( axis )->setMinimumExtent( extent );
setMinimumWidth( defaultMinimumWidth() + extent );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
caf::UiStyleSheet RiuQwtPlotWidget::createPlotStyleSheet() const
{
QColor backgroundColor = QColor( "white" );
QColor highlightColor = QApplication::palette().highlight().color();
QColor blendedHighlightColor = RiaColorTools::blendQColors( highlightColor, backgroundColor, 1, 20 );
QColor nearlyBackgroundColor = RiaColorTools::blendQColors( highlightColor, backgroundColor, 1, 40 );
caf::UiStyleSheet styleSheet;
styleSheet.set( "background-color", backgroundColor.name() );
styleSheet.set( "border", "1 px solid transparent" );
styleSheet.property( "selected" ).set( "border", QString( "1px solid %1" ).arg( highlightColor.name() ) );
return styleSheet;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
caf::UiStyleSheet RiuQwtPlotWidget::createCanvasStyleSheet() const
{
caf::UiStyleSheet styleSheet;
styleSheet.set( "background-color", "#FAFAFA" );
styleSheet.set( "border", "1px solid LightGray" );
return styleSheet;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::updateOverlayFrameLayout()
{
const int spacing = 5;
int xpos = spacing;
int ypos = spacing;
int widthOfCurrentColumn = 0;
QSize canvasSize = this->canvas()->size();
QSize maxFrameSize( canvasSize.width() - 2 * m_overlayMargins, canvasSize.height() - 2 * m_overlayMargins );
for ( RiuDraggableOverlayFrame* frame : m_overlayFrames )
{
if ( frame )
{
QSize minFrameSize = frame->minimumSizeHint();
QSize desiredFrameSize = frame->sizeHint();
int width = std::min( std::max( minFrameSize.width(), desiredFrameSize.width() ), maxFrameSize.width() );
int height = std::min( std::max( minFrameSize.height(), desiredFrameSize.height() ), maxFrameSize.height() );
frame->resize( width, height );
if ( frame->anchorCorner() == RiuDraggableOverlayFrame::AnchorCorner::TopLeft )
{
if ( ypos + frame->height() + spacing > this->canvas()->height() && widthOfCurrentColumn > 0 )
{
xpos += spacing + widthOfCurrentColumn;
ypos = spacing;
widthOfCurrentColumn = 0;
}
frame->move( xpos, ypos );
ypos += frame->height() + spacing;
widthOfCurrentColumn = std::max( widthOfCurrentColumn, frame->width() );
}
else if ( frame->anchorCorner() == RiuDraggableOverlayFrame::AnchorCorner::TopRight )
{
QRect frameRect = frame->frameGeometry();
QRect canvasRect = canvas()->rect();
QPoint canvasTopRight = canvasRect.topRight();
frameRect.moveTopRight( QPoint( canvasTopRight.x() - spacing, canvasTopRight.y() + spacing ) );
frame->move( frameRect.topLeft() );
}
frame->show();
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::selectClosestCurve( const QPoint& pos, bool toggleItemInSelection /*= false*/ )
{
QwtPlotCurve* closestCurve = nullptr;
double distMin = DBL_MAX;
int closestCurvePoint = -1;
const QwtPlotItemList& itmList = itemList();
for ( QwtPlotItemIterator it = itmList.begin(); it != itmList.end(); it++ )
{
if ( ( *it )->rtti() == QwtPlotItem::Rtti_PlotCurve )
{
QwtPlotCurve* candidateCurve = static_cast<QwtPlotCurve*>( *it );
double dist = DBL_MAX;
int curvePoint = candidateCurve->closestPoint( pos, &dist );
if ( dist < distMin )
{
closestCurve = candidateCurve;
distMin = dist;
closestCurvePoint = curvePoint;
}
}
}
RiuPlotMainWindowTools::showPlotMainWindow();
resetCurveHighlighting();
if ( closestCurve && distMin < 20 )
{
// TODO: highlight all selected curves
highlightCurve( closestCurve );
emit curveSelected( closestCurve, toggleItemInSelection );
if ( distMin < 10 )
{
selectPoint( closestCurve, closestCurvePoint );
}
else
{
clearPointSelection();
}
scheduleReplot();
}
else
{
emit plotSelected( toggleItemInSelection );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotWidget::defaultMinimumWidth()
{
return 80;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::replot()
{
QwtPlot::replot();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::highlightCurve( const QwtPlotCurve* closestCurve )
{
// NB! Create a copy of the item list before the loop to avoid invalidated iterators when iterating the list
// plotCurve->setZ() causes the ordering of items in the list to change
auto plotItemList = this->itemList();
for ( QwtPlotItem* plotItem : plotItemList )
{
QwtPlotCurve* plotCurve = dynamic_cast<QwtPlotCurve*>( plotItem );
if ( plotCurve )
{
QPen existingPen = plotCurve->pen();
QColor bgColor = this->canvasBackground().color();
QColor curveColor = existingPen.color();
QColor symbolColor;
QColor symbolLineColor;
QwtSymbol* symbol = const_cast<QwtSymbol*>( plotCurve->symbol() );
if ( symbol )
{
symbolColor = symbol->brush().color();
symbolLineColor = symbol->pen().color();
}
double zValue = plotCurve->z();
if ( plotCurve == closestCurve )
{
plotCurve->setZ( zValue + 100.0 );
}
else
{
QColor blendedColor = RiaColorTools::blendQColors( bgColor, curveColor, 3, 1 );
QColor blendedSymbolColor = RiaColorTools::blendQColors( bgColor, symbolColor, 3, 1 );
QColor blendedSymbolLineColor = RiaColorTools::blendQColors( bgColor, symbolLineColor, 3, 1 );
plotCurve->setPen( blendedColor, existingPen.width(), existingPen.style() );
if ( symbol )
{
symbol->setColor( blendedSymbolColor );
symbol->setPen( blendedSymbolLineColor, symbol->pen().width(), symbol->pen().style() );
}
}
CurveColors curveColors = { curveColor, symbolColor, symbolLineColor };
m_originalCurveColors.insert( std::make_pair( plotCurve, curveColors ) );
m_originalCurveColors.insert( std::make_pair( plotCurve, curveColors ) );
m_originalZValues.insert( std::make_pair( plotCurve, zValue ) );
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuQwtPlotWidget::resetCurveHighlighting()
{
// NB! Create a copy of the item list before the loop to avoid invalidated iterators when iterating the list
// plotCurve->setZ() causes the ordering of items in the list to change
auto plotItemList = this->itemList();
for ( QwtPlotItem* plotItem : plotItemList )
{
QwtPlotCurve* plotCurve = dynamic_cast<QwtPlotCurve*>( plotItem );
if ( plotCurve && m_originalCurveColors.count( plotCurve ) )
{
const QPen& existingPen = plotCurve->pen();
auto colors = m_originalCurveColors[plotCurve];
double zValue = m_originalZValues[plotCurve];
plotCurve->setPen( colors.lineColor, existingPen.width(), existingPen.style() );
plotCurve->setZ( zValue );
QwtSymbol* symbol = const_cast<QwtSymbol*>( plotCurve->symbol() );
if ( symbol )
{
symbol->setColor( colors.symbolColor );
symbol->setPen( colors.symbolLineColor, symbol->pen().width(), symbol->pen().style() );
}
}
}
m_originalCurveColors.clear();
m_originalZValues.clear();
}