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Made the Axis be aware of Direction.

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Now we can create an axis that's topToBottom, BottomToTop, LeftToRight and
RightToLeft.

This was needed for the Temperature Plot, because it should be inverted
(starting on the bottom).

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2014-01-16 19:28:33 -02:00 committed by Dirk Hohndel
parent 58aeb6ce40
commit f9784d876e
3 changed files with 53 additions and 25 deletions
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65
qt-ui/profile/divecartesianaxis.cpp
View file

@ -27,7 +27,7 @@ void DiveCartesianAxis::setTextColor(const QColor& color)
textColor = color;
}
DiveCartesianAxis::DiveCartesianAxis() : orientation(Qt::Horizontal)
DiveCartesianAxis::DiveCartesianAxis() : orientation(LeftToRight)
{
}
@ -37,12 +37,9 @@ DiveCartesianAxis::~DiveCartesianAxis()
}
void DiveCartesianAxis::setOrientation(Qt::Orientation o)
void DiveCartesianAxis::setOrientation(Orientation o)
{
orientation = o;
// position the elements on the screen.
setMinimum(minimum());
setMaximum(maximum());
}
void DiveCartesianAxis::updateTicks()
@ -65,15 +62,32 @@ void DiveCartesianAxis::updateTicks()
// Move the remaining Ticks / Text to it's corerct position
// Regartind the possibly new values for the Axis
qreal begin = orientation == Qt::Horizontal ? m.x1() : m.y1();
// unused so far:
// qreal end = orientation == Qt::Horizontal ? m.x2() : m.y2();
double stepSize = orientation == Qt::Horizontal ? (m.x2() - m.x1()) : (m.y2() - m.y1());
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 = ticks.size(); i < count; i++, currValue += interval) {
qreal childPos = begin + i * stepSize;
qreal childPos;
if (orientation == TopToBottom || orientation == LeftToRight) {
childPos = begin + i * stepSize;
} else {
childPos = begin - i * stepSize;
}
labels[i]->setText(textForValue(currValue));
if ( orientation == Qt::Horizontal ) {
if ( orientation == LeftToRight || orientation == RightToLeft) {
ticks[i]->animateMoveTo(childPos, m.y1() + tickSize);
labels[i]->animateMoveTo(childPos, m.y1() + tickSize);
} else {
@ -84,7 +98,12 @@ void DiveCartesianAxis::updateTicks()
// Add's the rest of the needed Ticks / Text.
for (int i = ticks.size(); i < steps; i++, currValue += interval) {
qreal childPos = begin + i * stepSize;
qreal childPos;
if (orientation == TopToBottom || orientation == LeftToRight) {
childPos = begin + i * stepSize;
} else {
childPos = begin - i * stepSize;
}
DiveLineItem *item = new DiveLineItem(this);
item->setPen(pen());
ticks.push_back(item);
@ -94,7 +113,7 @@ void DiveCartesianAxis::updateTicks()
label->setBrush(QBrush(textColor));
labels.push_back(label);
if (orientation == Qt::Horizontal) {
if (orientation == RightToLeft || orientation == LeftToRight) {
item->setLine(0, 0, 0, tickSize);
item->setPos(scene()->sceneRect().width() + 10, m.y1() + tickSize); // position it outside of the scene
item->animateMoveTo(childPos, m.y1() + tickSize); // anim it to scene.
@ -110,7 +129,6 @@ void DiveCartesianAxis::updateTicks()
label->animateMoveTo(m.x1() - tickSize, childPos);
}
}
}
QString DiveCartesianAxis::textForValue(double value)
@ -131,7 +149,7 @@ void DiveCartesianAxis::setTickInterval(double i)
qreal DiveCartesianAxis::valueAt(const QPointF& p)
{
QLineF m = line();
double retValue = orientation == Qt::Horizontal ?
double retValue = orientation == LeftToRight || RightToLeft?
max * (p.x() - m.x1()) / (m.x2() - m.x1()) :
max * (p.y() - m.y1()) / (m.y2() - m.y1());
return retValue;
@ -145,13 +163,22 @@ qreal DiveCartesianAxis::posAtValue(qreal value)
double size = max - min;
double distanceFromOrigin = value - min;
double percent = (value - min) / size;
double realSize = orientation == Qt::Horizontal ?
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 == Qt::Horizontal) ?
retValue + m.x1() + p.x() :
retValue + m.y1() + p.y();
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;
}

5
qt-ui/profile/divecartesianaxis.h
View file

@ -13,12 +13,13 @@ class DiveCartesianAxis : public QObject, public QGraphicsLineItem{
Q_PROPERTY(qreal x WRITE setX READ x)
Q_PROPERTY(qreal y WRITE setY READ y)
public:
enum Orientation{TopToBottom, BottomToTop, LeftToRight, RightToLeft};
DiveCartesianAxis();
virtual ~DiveCartesianAxis();
void setMinimum(double minimum);
void setMaximum(double maximum);
void setTickInterval(double interval);
void setOrientation(Qt::Orientation orientation);
void setOrientation(Orientation orientation);
void setTickSize(qreal size);
void updateTicks();
double minimum() const;
@ -34,7 +35,7 @@ signals:
protected:
virtual QString textForValue(double value);
Qt::Orientation orientation;
Orientation orientation;
QList<DiveLineItem*> ticks;
QList<DiveTextItem*> labels;
double min;

8
qt-ui/profile/profilewidget2.cpp
View file

@ -46,9 +46,9 @@ ProfileWidget2::ProfileWidget2(QWidget *parent) :
// Creating the needed items.
// ORDER: {BACKGROUND, PROFILE_Y_AXIS, GAS_Y_AXIS, TIME_AXIS, DEPTH_CONTROLLER, TIME_CONTROLLER, COLUMNS};
profileYAxis->setOrientation(Qt::Vertical);
gasYAxis->setOrientation(Qt::Vertical);
timeAxis->setOrientation(Qt::Horizontal);
profileYAxis->setOrientation(DiveCartesianAxis::TopToBottom);
gasYAxis->setOrientation(DiveCartesianAxis::TopToBottom);
timeAxis->setOrientation(DiveCartesianAxis::LeftToRight);
// Defaults of the Axis Coordinates:
profileYAxis->setMinimum(0);
@ -62,7 +62,7 @@ ProfileWidget2::ProfileWidget2(QWidget *parent) :
profileYAxis->setTickSize(1);
gasYAxis->setLine(0, 0, 0, 20);
temperatureAxis->setOrientation(Qt::Vertical);
temperatureAxis->setOrientation(DiveCartesianAxis::BottomToTop);
temperatureAxis->setLine(0, 60, 0, 90);
temperatureAxis->setX(3);
temperatureAxis->setTickSize(2);