subsurface/qt-ui/profile/divecartesianaxis.cpp
Dirk Hohndel f9ceff009b Clean up the header files
Lots and lots and lots of header files were being included without being
needed. This attempts to clean some of that crud up.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-01-18 21:25:59 +12:00

442 lines
10 KiB
C++

#include "divecartesianaxis.h"
#include "divetextitem.h"
#include "helpers.h"
#include "preferences.h"
#include "diveplotdatamodel.h"
#include "animationfunctions.h"
#include "mainwindow.h"
static QPen gridPen()
{
QPen pen;
pen.setColor(getColor(TIME_GRID));
pen.setWidth(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::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(),
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)
{
if (!scene() || (!changed && !MainWindow::instance()->graphics()->getPrintMode()))
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;
pen.setBrush(getColor(color));
pen.setCosmetic(true);
pen.setWidthF(2);
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(color);
defaultPen.setJoinStyle(Qt::RoundJoin);
defaultPen.setCapStyle(Qt::RoundCap);
defaultPen.setWidth(2);
defaultPen.setCosmetic(true);
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()
{
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();
}