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9344dd51b7
TankItem had a "height" member variable that was never modified. Turn it into a constant, which is local to the translation unit. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
115 lines
3.6 KiB
C++
115 lines
3.6 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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static const qreal height = 3.0;
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TankItem::TankItem(QObject *parent) :
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QObject(parent),
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plotEndTime(-1)
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{
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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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}
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void TankItem::setData(DivePlotDataModel *model, struct plot_info *plotInfo, struct dive *d)
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{
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// If there is nothing to plot, quit early.
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if (plotInfo->nr <= 0) {
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plotEndTime = -1;
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return;
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}
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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 = &plotInfo->entry[plotInfo->nr - 1];
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plotEndTime = last_entry->sec;
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// Stay informed of changes to the tanks.
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connect(model, 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(int startTime, int stopTime, struct gasmix gas)
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{
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qreal x = hAxis->posAtValue(startTime);
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qreal w = hAxis->posAtValue(stopTime) - hAxis->posAtValue(startTime);
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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 (plotEndTime < 0)
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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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// 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 < plotEndTime) {
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createBar(startTime, ev->time.seconds, 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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createBar(startTime, plotEndTime, 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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