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Added a 2 Ruler Items, Time and Depth.

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The ruler items are needed so I can get the correct
coordinates of the planned dive. This is a very
rudimentary ruler and it needs a bit of love, but
it already gives me something to work on.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-06-20 16:48:24 -03:00
parent 636550d413
commit f129024fc7
2 changed files with 42 additions and 16 deletions
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47
qt-ui/diveplanner.cpp
View file

@ -21,6 +21,24 @@ DivePlanner::DivePlanner(QWidget* parent): QGraphicsView(parent), activeDraggedH
horizontalLine = new QGraphicsLineItem(0,0,100,0); horizontalLine = new QGraphicsLineItem(0,0,100,0);
horizontalLine->setPen(QPen(Qt::DotLine)); horizontalLine->setPen(QPen(Qt::DotLine));
scene()->addItem(horizontalLine); scene()->addItem(horizontalLine);
timeLine = new Ruler();
timeLine->setMinimum(0);
timeLine->setMaximum(60);
timeLine->setTickInterval(10);
timeLine->setLine( 10, 90, 99, 90);
timeLine->setOrientation(Qt::Horizontal);
timeLine->updateTicks();
scene()->addItem(timeLine);
depthLine = new Ruler();
depthLine->setMinimum(0);
depthLine->setMaximum(400);
depthLine->setTickInterval(10);
depthLine->setLine( 10, 1, 10, 90);
depthLine->setOrientation(Qt::Vertical);
depthLine->updateTicks();
scene()->addItem(depthLine);
} }
void DivePlanner::mouseDoubleClickEvent(QMouseEvent* event) void DivePlanner::mouseDoubleClickEvent(QMouseEvent* event)
@ -192,16 +210,12 @@ DiveHandler::DiveHandler(): QGraphicsEllipseItem(), from(0), to(0)
void Ruler::setMaximum(double maximum) void Ruler::setMaximum(double maximum)
{ {
qDeleteAll(ticks);
max = maximum; max = maximum;
updateTicks();
} }
void Ruler::setMinimum(double minimum) void Ruler::setMinimum(double minimum)
{ {
qDeleteAll(ticks);
min = minimum; min = minimum;
updateTicks();
} }
Ruler::Ruler() : orientation(Qt::Horizontal) Ruler::Ruler() : orientation(Qt::Horizontal)
@ -211,20 +225,29 @@ Ruler::Ruler() : orientation(Qt::Horizontal)
void Ruler::setOrientation(Qt::Orientation o) void Ruler::setOrientation(Qt::Orientation o)
{ {
orientation = o; orientation = o;
updateTicks();
} }
void Ruler::updateTicks() void Ruler::updateTicks()
{ {
qDeleteAll(ticks);
QLineF m = line();
if(orientation == Qt::Horizontal){
double steps = (max - min) / interval;
double stepSize = (m.x2() - m.x1()) / steps;
for(qreal pos = m.x1(); pos < m.x2(); pos += stepSize){
QGraphicsLineItem *l = new QGraphicsLineItem(pos, m.y1(), pos, m.y1() + 1, this);
}
}else{
double steps = (max - min) / interval;
double stepSize = (m.y2() - m.y1()) / steps;
for(qreal pos = m.y1(); pos < m.y2(); pos += stepSize){
QGraphicsLineItem *l = new QGraphicsLineItem(m.x1(), pos, m.x1() - 1, pos, this);
}
}
} }
void Ruler::setLine(qreal x1, qreal y1, qreal x2, qreal y2) void Ruler::setTickInterval(double i)
{ {
interval = i;
}
void Ruler::setTickInterval(double interval)
{
} }

11
qt-ui/diveplanner.h
View file

@ -12,22 +12,21 @@ public:
QGraphicsLineItem *to; QGraphicsLineItem *to;
}; };
class Ruler : public QGraphicsItem{ class Ruler : public QGraphicsLineItem{
public: public:
Ruler(); Ruler();
void setMinimum(double minimum); void setMinimum(double minimum);
void setMaximum(double maximum); void setMaximum(double maximum);
void setTickInterval(double interval); void setTickInterval(double interval);
void setOrientation(Qt::Orientation orientation); void setOrientation(Qt::Orientation orientation);
void setLine(qreal x1, qreal y1, qreal x2, qreal y2); void updateTicks();
private: private:
void updateTicks();
Qt::Orientation orientation; Qt::Orientation orientation;
QList<QGraphicsLineItem*> ticks; QList<QGraphicsLineItem*> ticks;
double min; double min;
double max; double max;
double interval;
double posBegin; double posBegin;
double posEnd; double posEnd;
}; };
@ -56,5 +55,9 @@ private:
QGraphicsLineItem *verticalLine; QGraphicsLineItem *verticalLine;
QGraphicsLineItem *horizontalLine; QGraphicsLineItem *horizontalLine;
DiveHandler *activeDraggedHandler; DiveHandler *activeDraggedHandler;
Ruler *timeLine;
Ruler *depthLine;
}; };
#endif #endif