Derek Christ
f6b987f777
It's now possible to select comments directly in the traceplot instead of selecting them in the CommentTreeWidget. Selections from the TreeWidget are synchronized to the plot but not vice versa. It would generally be the better to introduce a Model/View based approach instead of trying to synchronize selections and QActions.
289 lines
11 KiB
C++
289 lines
11 KiB
C++
/*
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* Copyright (c) 2015, Technische Universität Kaiserslautern
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors:
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* Janik Schlemminger
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* Robert Gernhardt
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* Matthias Jung
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* Derek Christ
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*/
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#include <qwt_plot_zoneitem.h>
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#include <QWheelEvent>
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#include <QMouseEvent>
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#include "tracescroller.h"
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#include "traceplotitem.h"
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#include "util/engineeringScaleDraw.h"
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TraceScroller::TraceScroller(QWidget *parent):
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QwtPlot(parent), isInitialized(false), drawingProperties(false, false,
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ColorGrouping::PhaseType)
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{
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setAxisScaleDraw(xBottom, new EngineeringScaleDraw);
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canvas()->setCursor(Qt::ArrowCursor);
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canvasClip = new QwtPlotZoneItem();
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canvasClip->setZ(2);
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canvasClip->attach(this);
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}
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void TraceScroller::init(TraceNavigator *navigator, TracePlot *tracePlot)
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{
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Q_ASSERT(isInitialized == false);
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isInitialized = true;
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this -> navigator = navigator;
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connectNavigatorQ_SIGNALS();
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setUpDrawingProperties();
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setUpAxis();
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setUpTracePlotItem();
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updateAxis();
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getAndDrawComments();
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this->tracePlot = tracePlot;
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QObject::connect(tracePlot, SIGNAL(tracePlotZoomChanged()), this,
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SLOT(tracePlotZoomChanged()));
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tracePlotZoomChanged();
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QObject::connect(tracePlot, SIGNAL(colorGroupingChanged(ColorGrouping)), this,
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SLOT(colorGroupingChanged(ColorGrouping)));
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QObject::connect(tracePlot, SIGNAL(tracePlotLinesChanged()), this, SLOT(updateAxis()));
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}
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void TraceScroller::setUpTracePlotItem()
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{
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TracePlotItem *tracePlotItem = new TracePlotItem(transactions, *navigator,
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drawingProperties);
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tracePlotItem->setZ(1);
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tracePlotItem->attach(this);
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}
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void TraceScroller::setUpDrawingProperties()
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{
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drawingProperties.init(navigator->getTracePlotLines(), navigator->getTracePlotLineCache());
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drawingProperties.numberOfRanks = navigator->GeneralTraceInfo().numberOfRanks;
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drawingProperties.numberOfBankgroups = navigator->GeneralTraceInfo().numberOfBankgroups;
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drawingProperties.numberOfBanks = navigator->GeneralTraceInfo().numberOfBanks;
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drawingProperties.banksPerRank = drawingProperties.numberOfBanks / drawingProperties.numberOfRanks;
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drawingProperties.groupsPerRank = drawingProperties.numberOfBankgroups / drawingProperties.numberOfRanks;
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drawingProperties.banksPerGroup = drawingProperties.numberOfBanks / drawingProperties.numberOfBankgroups;
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}
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void TraceScroller::setUpAxis()
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{
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axisScaleDraw(yLeft)->enableComponent(QwtAbstractScaleDraw::Labels, false );
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axisScaleDraw(yLeft)->enableComponent(QwtAbstractScaleDraw::Ticks, false );
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}
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void TraceScroller::updateAxis()
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{
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setAxisScale(yLeft, -1, drawingProperties.getNumberOfDisplayedLines() + 1, 1.0);
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replot();
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}
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void TraceScroller::connectNavigatorQ_SIGNALS()
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{
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QObject::connect(navigator, SIGNAL(currentTraceTimeChanged()), this,
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SLOT(currentTraceTimeChanged()));
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QObject::connect(navigator, SIGNAL(commentsChanged()), this,
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SLOT(commentsChanged()));
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QObject::connect(navigator, SIGNAL(selectedCommentsChanged()), this,
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SLOT(commentsChanged()));
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QObject::connect(navigator, SIGNAL(selectedTransactionsChanged()), this,
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SLOT(selectedTransactionsChanged()));
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}
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Timespan TraceScroller::GetCurrentTimespan()
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{
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traceTime deltaOnTracePlot = navigator->GeneralTraceInfo().span.End() -
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tracePlot->ZoomLevel();
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traceTime deltaOnTraceScroller = navigator->GeneralTraceInfo().span.End() -
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zoomLevel;
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traceTime newBegin = static_cast<traceTime>
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(tracePlot->GetCurrentTimespan().Begin() * (1.0 * deltaOnTraceScroller) /
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deltaOnTracePlot);
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Timespan span(newBegin, newBegin + zoomLevel);
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if (span.Begin() < 0)
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span.shift(-span.Begin());
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else if (span.End() > navigator->GeneralTraceInfo().span.End())
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span.shift(navigator->GeneralTraceInfo().span.End() - span.End());
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return span;
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}
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void TraceScroller::getAndDrawComments()
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{
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for (const auto &pair : navigator->getComments()) {
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const std::shared_ptr<Comment> comment = pair.second;
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bool highlight = navigator->commentIsSelected(comment);
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QwtPlotMarker *maker = new QwtPlotMarker();
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maker->setXValue(static_cast<double>(comment->Time()));
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maker->setLineStyle(QwtPlotMarker::LineStyle::VLine);
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maker->setLinePen(QColor(highlight ? Qt::red : Qt::blue), 2);
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maker->attach(this);
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}
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}
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/* Q_SLOTS
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*
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*
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*/
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void TraceScroller::selectedTransactionsChanged()
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{
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replot();
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}
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void TraceScroller::colorGroupingChanged(ColorGrouping colorGrouping)
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{
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drawingProperties.colorGrouping = colorGrouping;
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replot();
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}
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void TraceScroller::currentTraceTimeChanged()
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{
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Timespan spanOnTracePlot = tracePlot->GetCurrentTimespan();
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canvasClip->setInterval(spanOnTracePlot.Begin(), spanOnTracePlot.End());
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Timespan span = GetCurrentTimespan();
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transactions = navigator->TraceFile().getTransactionsInTimespan(span);
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setAxisScale(xBottom, span.Begin(), span.End());
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replot();
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}
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void TraceScroller::commentsChanged()
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{
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detachItems(QwtPlotItem::Rtti_PlotMarker);
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getAndDrawComments();
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replot();
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}
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void TraceScroller::tracePlotZoomChanged()
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{
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zoomLevel = tracePlot->ZoomLevel() * tracePlotEnlargementFactor;
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if (zoomLevel > navigator->GeneralTraceInfo().span.timeCovered())
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zoomLevel = navigator->GeneralTraceInfo().span.timeCovered();
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}
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bool TraceScroller::eventFilter( QObject *object, QEvent *event )
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{
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if (object == canvas()) {
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static bool clipDragged = false;
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static bool leftMousePressed = false;
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static int mouseDownX = 0;
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static traceTime mouseDownTracePlotTime = 0;
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switch (event->type()) {
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case QEvent::Wheel : {
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QWheelEvent *wheelEvent = static_cast<QWheelEvent *>(event);
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traceTime offset;
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int speed = 4;
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(wheelEvent->delta() > 0) ? offset = -zoomLevel * speed : offset = zoomLevel *
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speed;
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navigator->navigateToTime(navigator->CurrentTraceTime() + offset);
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return true;
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}
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case QEvent::MouseButtonDblClick: {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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traceTime time = invTransform(xBottom, mouseEvent->x());
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navigator->navigateToTime(time);
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return true;
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}
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case QEvent::MouseButtonPress: {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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if (mouseEvent->button() == Qt::LeftButton) {
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canvas()->setCursor(Qt::ClosedHandCursor);
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leftMousePressed = true;
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mouseDownTracePlotTime = tracePlot->GetCurrentTimespan().Middle();
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mouseDownX = mouseEvent->x();
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if (tracePlot->GetCurrentTimespan().contains(invTransform(xBottom,
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mouseEvent->x())))
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clipDragged = true;
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else
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clipDragged = false;
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return true;
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} else if (mouseEvent->button() == Qt::RightButton) {
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navigator->navigateToTime(static_cast<traceTime>(invTransform(xBottom,
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mouseEvent->x())));
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return true;
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}
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}
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case QEvent::MouseButtonRelease: {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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if (mouseEvent->button() == Qt::LeftButton) {
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clipDragged = false;
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leftMousePressed = false;
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canvas()->setCursor(Qt::ArrowCursor);
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return true;
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}
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}
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case QEvent::MouseMove: {
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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if (leftMousePressed) {
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if (clipDragged) {
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double clipWidth = transform(xBottom,
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tracePlot->ZoomLevel()) - transform(xBottom, 0);
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if (mouseEvent->x() < clipWidth / 2) {
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navigator->navigateToTime(0);
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} else if (mouseEvent->x() > canvas()->width() - clipWidth / 2) {
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navigator->navigateToTime(navigator->GeneralTraceInfo().span.End());
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} else {
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traceTime time = static_cast<traceTime>((mouseEvent->x() - clipWidth / 2) /
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(canvas()->width() - clipWidth) * (navigator->GeneralTraceInfo().span.End() -
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tracePlot->ZoomLevel()));
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navigator->navigateToTime(time);
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}
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} else {
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traceTime deltaTime = invTransform(xBottom, mouseDownX) - invTransform(xBottom,
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mouseEvent->x());
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navigator->navigateToTime(mouseDownTracePlotTime + deltaTime);
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}
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return true;
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}
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}
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default:
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break;
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}
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}
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return false;
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}
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