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128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "profile-widget/tankitem.h"
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#include "qt-models/diveplotdatamodel.h"
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#include "profile-widget/divetextitem.h"
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#include "core/profile.h"
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#include <QPen>
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TankItem::TankItem(QObject *parent) :
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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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hAxis = nullptr;
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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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#ifdef SUBSURFACE_MOBILE
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label->setPos(x + 1, -2.5);
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#endif
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label->setZValue(101);
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}
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void TankItem::modelDataChanged(const QModelIndex&, const QModelIndex&)
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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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qDeleteAll(rects);
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rects.clear();
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qreal width, left;
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// Find correct end of the dive plot for correct end of the tankbar
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struct plot_data *last_entry = &pInfoEntry[pInfoNr-1];
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// get the information directly from the displayed_dive (the dc always exists)
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struct divecomputer *dc = get_dive_dc(&displayed_dive, dc_number);
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// start with the first gasmix and at the start of the dive
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int cyl = explicit_first_cylinder(&displayed_dive, dc);
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struct gasmix gasmix = displayed_dive.cylinder[cyl].gasmix;
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int startTime = 0;
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// work through all the gas changes and add the rectangle for each gas while it was used
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const struct event *ev = get_next_event(dc->events, "gaschange");
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while (ev && (int)ev->time.seconds < last_entry->sec) {
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width = hAxis->posAtValue(ev->time.seconds) - hAxis->posAtValue(startTime);
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left = hAxis->posAtValue(startTime);
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createBar(left, width, gasmix);
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startTime = ev->time.seconds;
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gasmix = get_gasmix_from_event(&displayed_dive, ev);
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ev = get_next_event(ev->next, "gaschange");
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}
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width = hAxis->posAtValue(last_entry->sec) - hAxis->posAtValue(startTime);
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left = hAxis->posAtValue(startTime);
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createBar(left, width, gasmix);
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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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