subsurface/profile-widget/divecartesianaxis.cpp
Dirk Hohndel ae709ab30e Untangle profile from MainWindow: work around print mode
Since we don't support printing in subsurface-mobile this solves the
problem at hand - but it doesn't do what we really want which is to
untangle the Profile from the MainWindow.

Partial credit.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-11-05 21:20:10 -08:00

467 lines
11 KiB
C++

#include "divecartesianaxis.h"
#include "divetextitem.h"
#include "helpers.h"
#include "preferences/preferencesdialog.h"
#include "diveplotdatamodel.h"
#include "animationfunctions.h"
#ifndef SUBSURFACE_MOBILE
#include "mainwindow.h"
#endif
#include "divelineitem.h"
#include "profilewidget2.h"
#include <QDebug>
#include <QGraphicsWidget>
QPen DiveCartesianAxis::gridPen()
{
QPen pen;
pen.setColor(getColor(TIME_GRID));
/* cosmetic width() == 0 for lines in printMode
* having setCosmetic(true) and width() > 0 does not work when
* printing on OSX and Linux */
pen.setWidth(DiveCartesianAxis::printMode ? 0 : 2);
pen.setCosmetic(true);
return pen;
}
double DiveCartesianAxis::tickInterval() const
{
return interval;
}
double DiveCartesianAxis::tickSize() const
{
return tick_size;
}
void DiveCartesianAxis::setFontLabelScale(qreal scale)
{
labelScale = scale;
changed = true;
}
void DiveCartesianAxis::setPrintMode(bool mode)
{
printMode = mode;
// update the QPen of all lines depending on printMode
QPen newPen = gridPen();
QColor oldColor = pen().brush().color();
newPen.setBrush(oldColor);
setPen(newPen);
Q_FOREACH (DiveLineItem *item, lines)
item->setPen(pen());
}
void DiveCartesianAxis::setMaximum(double maximum)
{
if (IS_FP_SAME(max, maximum))
return;
max = maximum;
changed = true;
emit maxChanged();
}
void DiveCartesianAxis::setMinimum(double minimum)
{
if (IS_FP_SAME(min, minimum))
return;
min = minimum;
changed = true;
}
void DiveCartesianAxis::setTextColor(const QColor &color)
{
textColor = color;
}
DiveCartesianAxis::DiveCartesianAxis() : QObject(),
QGraphicsLineItem(),
printMode(false),
unitSystem(0),
orientation(LeftToRight),
min(0),
max(0),
interval(1),
tick_size(0),
textVisibility(true),
lineVisibility(true),
labelScale(1.0),
line_size(1),
changed(true)
{
setPen(gridPen());
}
DiveCartesianAxis::~DiveCartesianAxis()
{
}
void DiveCartesianAxis::setLineSize(qreal lineSize)
{
line_size = lineSize;
changed = true;
}
void DiveCartesianAxis::setOrientation(Orientation o)
{
orientation = o;
changed = true;
}
QColor DiveCartesianAxis::colorForValue(double value)
{
return QColor(Qt::black);
}
void DiveCartesianAxis::setTextVisible(bool arg1)
{
if (textVisibility == arg1) {
return;
}
textVisibility = arg1;
Q_FOREACH (DiveTextItem *item, labels) {
item->setVisible(textVisibility);
}
}
void DiveCartesianAxis::setLinesVisible(bool arg1)
{
if (lineVisibility == arg1) {
return;
}
lineVisibility = arg1;
Q_FOREACH (DiveLineItem *item, lines) {
item->setVisible(lineVisibility);
}
}
template <typename T>
void emptyList(QList<T *> &list, double steps)
{
if (!list.isEmpty() && list.size() > steps) {
while (list.size() > steps) {
T *removedItem = list.takeLast();
Animations::animDelete(removedItem);
}
}
}
void DiveCartesianAxis::updateTicks(color_indice_t color)
{
#ifndef SUBSURFACE_MOBILE
if (!scene() || (!changed && !MainWindow::instance()->graphics()->getPrintMode()))
#else
if (!scene() || !changed)
#endif
return;
QLineF m = line();
// unused so far:
// QGraphicsView *view = scene()->views().first();
double steps = (max - min) / interval;
double currValueText = min;
double currValueLine = min;
if (steps < 1)
return;
emptyList(labels, steps);
emptyList(lines, steps);
// Move the remaining Ticks / Text to it's corerct position
// Regartind the possibly new values for the Axis
qreal begin, stepSize;
if (orientation == TopToBottom) {
begin = m.y1();
stepSize = (m.y2() - m.y1());
} else if (orientation == BottomToTop) {
begin = m.y2();
stepSize = (m.y2() - m.y1());
} else if (orientation == LeftToRight) {
begin = m.x1();
stepSize = (m.x2() - m.x1());
} else /* if (orientation == RightToLeft) */ {
begin = m.x2();
stepSize = (m.x2() - m.x1());
}
stepSize = stepSize / steps;
for (int i = 0, count = labels.size(); i < count; i++, currValueText += interval) {
qreal childPos = (orientation == TopToBottom || orientation == LeftToRight) ?
begin + i * stepSize :
begin - i * stepSize;
labels[i]->setText(textForValue(currValueText));
if (orientation == LeftToRight || orientation == RightToLeft) {
Animations::moveTo(labels[i],childPos, m.y1() + tick_size);
} else {
Animations::moveTo(labels[i],m.x1() - tick_size, childPos);
}
}
for (int i = 0, count = lines.size(); i < count; i++, currValueLine += interval) {
qreal childPos = (orientation == TopToBottom || orientation == LeftToRight) ?
begin + i * stepSize :
begin - i * stepSize;
if (orientation == LeftToRight || orientation == RightToLeft) {
Animations::moveTo(lines[i],childPos, m.y1());
} else {
Animations::moveTo(lines[i],m.x1(), childPos);
}
}
// Add's the rest of the needed Ticks / Text.
for (int i = labels.size(); i < steps; i++, currValueText += interval) {
qreal childPos;
if (orientation == TopToBottom || orientation == LeftToRight) {
childPos = begin + i * stepSize;
} else {
childPos = begin - i * stepSize;
}
DiveTextItem *label = new DiveTextItem(this);
label->setText(textForValue(currValueText));
label->setBrush(colorForValue(currValueText));
label->setScale(fontLabelScale());
label->setZValue(1);
labels.push_back(label);
if (orientation == RightToLeft || orientation == LeftToRight) {
label->setAlignment(Qt::AlignBottom | Qt::AlignHCenter);
label->setPos(scene()->sceneRect().width() + 10, m.y1() + tick_size); // position it outside of the scene);
Animations::moveTo(label,childPos, m.y1() + tick_size);
} else {
label->setAlignment(Qt::AlignVCenter | Qt::AlignLeft);
label->setPos(m.x1() - tick_size, scene()->sceneRect().height() + 10);
Animations::moveTo(label,m.x1() - tick_size, childPos);
}
}
// Add's the rest of the needed Ticks / Text.
for (int i = lines.size(); i < steps; i++, currValueText += interval) {
qreal childPos;
if (orientation == TopToBottom || orientation == LeftToRight) {
childPos = begin + i * stepSize;
} else {
childPos = begin - i * stepSize;
}
DiveLineItem *line = new DiveLineItem(this);
QPen pen = gridPen();
pen.setBrush(getColor(color));
line->setPen(pen);
line->setZValue(0);
lines.push_back(line);
if (orientation == RightToLeft || orientation == LeftToRight) {
line->setLine(0, -line_size, 0, 0);
line->setPos(scene()->sceneRect().width() + 10, m.y1()); // position it outside of the scene);
Animations::moveTo(line,childPos, m.y1());
} else {
QPointF p1 = mapFromScene(3, 0);
QPointF p2 = mapFromScene(line_size, 0);
line->setLine(p1.x(), 0, p2.x(), 0);
line->setPos(m.x1(), scene()->sceneRect().height() + 10);
Animations::moveTo(line,m.x1(), childPos);
}
}
Q_FOREACH (DiveTextItem *item, labels)
item->setVisible(textVisibility);
Q_FOREACH (DiveLineItem *item, lines)
item->setVisible(lineVisibility);
changed = false;
}
void DiveCartesianAxis::setLine(const QLineF &line)
{
QGraphicsLineItem::setLine(line);
changed = true;
}
void DiveCartesianAxis::animateChangeLine(const QLineF &newLine)
{
setLine(newLine);
updateTicks();
sizeChanged();
}
QString DiveCartesianAxis::textForValue(double value)
{
return QString::number(value);
}
void DiveCartesianAxis::setTickSize(qreal size)
{
tick_size = size;
}
void DiveCartesianAxis::setTickInterval(double i)
{
interval = i;
}
qreal DiveCartesianAxis::valueAt(const QPointF &p) const
{
QLineF m = line();
QPointF relativePosition = p;
relativePosition -= pos(); // normalize p based on the axis' offset on screen
double retValue = (orientation == LeftToRight || orientation == RightToLeft) ?
max * (relativePosition.x() - m.x1()) / (m.x2() - m.x1()) :
max * (relativePosition.y() - m.y1()) / (m.y2() - m.y1());
return retValue;
}
qreal DiveCartesianAxis::posAtValue(qreal value)
{
QLineF m = line();
QPointF p = pos();
double size = max - min;
// unused for now:
// double distanceFromOrigin = value - min;
double percent = IS_FP_SAME(min, max) ? 0.0 : (value - min) / size;
double realSize = orientation == LeftToRight || orientation == RightToLeft ?
m.x2() - m.x1() :
m.y2() - m.y1();
// Inverted axis, just invert the percentage.
if (orientation == RightToLeft || orientation == BottomToTop)
percent = 1 - percent;
double retValue = realSize * percent;
double adjusted =
orientation == LeftToRight ? retValue + m.x1() + p.x() :
orientation == RightToLeft ? retValue + m.x1() + p.x() :
orientation == TopToBottom ? retValue + m.y1() + p.y() :
/* entation == BottomToTop */ retValue + m.y1() + p.y();
return adjusted;
}
qreal DiveCartesianAxis::percentAt(const QPointF &p)
{
qreal value = valueAt(p);
double size = max - min;
double percent = value / size;
return percent;
}
double DiveCartesianAxis::maximum() const
{
return max;
}
double DiveCartesianAxis::minimum() const
{
return min;
}
double DiveCartesianAxis::fontLabelScale() const
{
return labelScale;
}
void DiveCartesianAxis::setColor(const QColor &color)
{
QPen defaultPen = gridPen();
defaultPen.setColor(color);
defaultPen.setJoinStyle(Qt::RoundJoin);
defaultPen.setCapStyle(Qt::RoundCap);
setPen(defaultPen);
}
QString DepthAxis::textForValue(double value)
{
if (value == 0)
return QString();
return get_depth_string(value, false, false);
}
QColor DepthAxis::colorForValue(double value)
{
Q_UNUSED(value);
return QColor(Qt::red);
}
DepthAxis::DepthAxis()
{
connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), this, SLOT(settingsChanged()));
changed = true;
settingsChanged();
}
void DepthAxis::settingsChanged()
{
static int unitSystem = prefs.units.length;
if ( unitSystem == prefs.units.length )
return;
changed = true;
updateTicks();
unitSystem = prefs.units.length;
}
QColor TimeAxis::colorForValue(double value)
{
Q_UNUSED(value);
return QColor(Qt::blue);
}
QString TimeAxis::textForValue(double value)
{
int nr = value / 60;
if (maximum() < 600)
return QString("%1:%2").arg(nr).arg((int)value % 60, 2, 10, QChar('0'));
return QString::number(nr);
}
void TimeAxis::updateTicks()
{
DiveCartesianAxis::updateTicks();
if (maximum() > 600) {
for (int i = 0; i < labels.count(); i++) {
labels[i]->setVisible(i % 2);
}
}
}
QString TemperatureAxis::textForValue(double value)
{
return QString::number(mkelvin_to_C((int)value));
}
PartialGasPressureAxis::PartialGasPressureAxis() :
DiveCartesianAxis(),
model(NULL)
{
connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), this, SLOT(settingsChanged()));
}
void PartialGasPressureAxis::setModel(DivePlotDataModel *m)
{
model = m;
connect(model, SIGNAL(dataChanged(QModelIndex, QModelIndex)), this, SLOT(settingsChanged()));
settingsChanged();
}
void PartialGasPressureAxis::settingsChanged()
{
bool showPhe = prefs.pp_graphs.phe;
bool showPn2 = prefs.pp_graphs.pn2;
bool showPo2 = prefs.pp_graphs.po2;
setVisible(showPhe || showPn2 || showPo2);
if (!model->rowCount())
return;
double max = showPhe ? model->pheMax() : -1;
if (showPn2 && model->pn2Max() > max)
max = model->pn2Max();
if (showPo2 && model->po2Max() > max)
max = model->po2Max();
qreal pp = floor(max * 10.0) / 10.0 + 0.2;
if (IS_FP_SAME(maximum(), pp))
return;
setMaximum(pp);
setTickInterval(pp > 4 ? 0.5 : 0.25);
updateTicks();
}