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ecf4d18b41
Whoa, this deserves a good explanation. Everytime that the mouse moved in add / plan mode, or anytime a new dive was displayed on the profile, this method would be called and connect the dataModel to the modelChanged method. This added the slot in a call-vector that the fired signal would call, adding one call to the Slot per add / plan mouse move (about 20x/s) or each time a new dive was displayed. Quickly filling the vector with more than 200 - 300 calls to this same Slot. The fix is to only connect one time. this made the add / plan mode *so* much smoother... :) Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
#include "tankitem.h"
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#include "diveplotdatamodel.h"
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#include "divetextitem.h"
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#include "profile.h"
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#include <QPen>
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TankItem::TankItem(QObject *parent) :
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QGraphicsRectItem(),
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dataModel(0),
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pInfoEntry(0),
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pInfoNr(0)
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{
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height = 3;
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QColor red(PERSIANRED1);
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QColor blue(AIR_BLUE);
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QColor yellow(NITROX_YELLOW);
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QColor green(NITROX_GREEN);
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QLinearGradient nitroxGradient(QPointF(0, 0), QPointF(0, height));
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nitroxGradient.setColorAt(0.0, green);
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nitroxGradient.setColorAt(0.49, green);
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nitroxGradient.setColorAt(0.5, yellow);
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nitroxGradient.setColorAt(1.0, yellow);
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nitrox = nitroxGradient;
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oxygen = green;
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QLinearGradient trimixGradient(QPointF(0, 0), QPointF(0, height));
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trimixGradient.setColorAt(0.0, green);
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trimixGradient.setColorAt(0.49, green);
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trimixGradient.setColorAt(0.5, red);
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trimixGradient.setColorAt(1.0, red);
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trimix = trimixGradient;
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air = blue;
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memset(&diveCylinderStore, 0, sizeof(diveCylinderStore));
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}
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TankItem::~TankItem()
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{
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// Should this be clear_dive(diveCylinderStore)?
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for (int i = 0; i < MAX_CYLINDERS; i++)
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free((void *)diveCylinderStore.cylinder[i].type.description);
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}
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void TankItem::setData(DivePlotDataModel *model, struct plot_info *plotInfo, struct dive *d)
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{
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free(pInfoEntry);
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// the plotInfo and dive structures passed in could become invalid before we stop using them,
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// so copy the data that we need
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int size = plotInfo->nr * sizeof(plotInfo->entry[0]);
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pInfoEntry = (struct plot_data *)malloc(size);
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pInfoNr = plotInfo->nr;
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memcpy(pInfoEntry, plotInfo->entry, size);
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copy_cylinders(d, &diveCylinderStore, false);
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dataModel = model;
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connect(dataModel, SIGNAL(dataChanged(QModelIndex, QModelIndex)), this, SLOT(modelDataChanged(QModelIndex, QModelIndex)), Qt::UniqueConnection);
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modelDataChanged();
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}
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void TankItem::createBar(qreal x, qreal w, struct gasmix *gas)
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{
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// pick the right gradient, size, position and text
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QGraphicsRectItem *rect = new QGraphicsRectItem(x, 0, w, height, this);
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if (gasmix_is_air(gas))
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rect->setBrush(air);
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else if (gas->he.permille)
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rect->setBrush(trimix);
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else if (gas->o2.permille == 1000)
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rect->setBrush(oxygen);
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else
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rect->setBrush(nitrox);
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rect->setPen(QPen(QBrush(), 0.0)); // get rid of the thick line around the rectangle
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rects.push_back(rect);
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DiveTextItem *label = new DiveTextItem(rect);
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label->setText(gasname(gas));
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label->setBrush(Qt::black);
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label->setPos(x + 1, 0);
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label->setAlignment(Qt::AlignBottom | Qt::AlignRight);
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label->setZValue(101);
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}
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void TankItem::modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
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{
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// We don't have enougth data to calculate things, quit.
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if (!dataModel || !pInfoEntry || !pInfoNr)
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return;
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// remove the old rectangles
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foreach (QGraphicsRectItem *r, rects) {
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delete(r);
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}
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rects.clear();
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// walk the list and figure out which tanks go where
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struct plot_data *entry = pInfoEntry;
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int cylIdx = entry->cylinderindex;
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int i = -1;
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int startTime = 0;
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struct gasmix *gas = &diveCylinderStore.cylinder[cylIdx].gasmix;
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qreal width, left;
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while (++i < pInfoNr) {
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entry = &pInfoEntry[i];
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if (entry->cylinderindex == cylIdx)
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continue;
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width = hAxis->posAtValue(entry->sec) - hAxis->posAtValue(startTime);
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left = hAxis->posAtValue(startTime);
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createBar(left, width, gas);
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cylIdx = entry->cylinderindex;
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gas = &diveCylinderStore.cylinder[cylIdx].gasmix;
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startTime = entry->sec;
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}
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width = hAxis->posAtValue(entry->sec) - hAxis->posAtValue(startTime);
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left = hAxis->posAtValue(startTime);
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createBar(left, width, gas);
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}
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void TankItem::setHorizontalAxis(DiveCartesianAxis *horizontal)
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{
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hAxis = horizontal;
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connect(hAxis, SIGNAL(sizeChanged()), this, SLOT(modelDataChanged()));
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modelDataChanged();
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}
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