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Created a class DiveHandle to make drag drop work.

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Create d a class DiveHandle to make drag drop works,
it has a from and to Lines, and it will move them
around.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-06-20 14:29:32 -03:00
parent 1fb023d3c6
commit 021a6a076e
2 changed files with 23 additions and 7 deletions
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19
qt-ui/diveplanner.cpp
View file

@ -33,23 +33,25 @@ void DivePlanner::mouseDoubleClickEvent(QMouseEvent* event)
return;
}
QGraphicsEllipseItem *item = new QGraphicsEllipseItem(-5,-5,10,10);
DiveHandler *item = new DiveHandler ();
item->setRect(-5,-5,10,10);
item->setFlag(QGraphicsItem::ItemIgnoresTransformations);
item->setPos( mappedPos );
scene()->addItem(item);
handles << item;
if (lines.empty()){
QGraphicsLineItem *first = new QGraphicsLineItem(0,0, mappedPos.x(), mappedPos.y());
item->from = first;
lines.push_back(first);
create_deco_stop();
scene()->addItem(first);
}else{
clear_generated_deco();
QGraphicsEllipseItem *prevHandle = handles.at( handles.count()-2);
DiveHandler *prevHandle = handles.at( handles.count()-2);
QGraphicsLineItem *line = new QGraphicsLineItem(prevHandle->x(), prevHandle->y(), item->x(), item->y());
prevHandle->to = line;
item->from = line;
lines.push_back(line);
scene()->addItem(line);
create_deco_stop();
@ -68,7 +70,8 @@ void DivePlanner::clear_generated_deco()
void DivePlanner::create_deco_stop()
{
// this needs to create everything
// for the calculated deco.
// for the calculated deco. it should return the *first*
// line that's calculated, so the
QGraphicsLineItem *item = new QGraphicsLineItem(handles.last()->x(), handles.last()->y(), 100, 0);
scene()->addItem(item);
lines << item;
@ -118,3 +121,9 @@ bool DivePlanner::isPointOutOfBoundaries(QPointF point)
}
return false;
}
DiveHandler::DiveHandler(): QGraphicsEllipseItem(), from(0), to(0)
{
}

11
qt-ui/diveplanner.h
View file

@ -4,6 +4,13 @@
#include <QGraphicsView>
#include <QGraphicsPathItem>
class DiveHandler : public QGraphicsEllipseItem{
public:
DiveHandler();
QGraphicsLineItem *from;
QGraphicsLineItem *to;
};
class DivePlanner : public QGraphicsView {
Q_OBJECT
public:
@ -16,11 +23,11 @@ protected:
void clear_generated_deco();
void create_deco_stop();
bool isPointOutOfBoundaries(QPointF point);
private:
DivePlanner(QWidget* parent = 0);
QList<QGraphicsLineItem*> lines;
QList<QGraphicsEllipseItem*> handles;
QList<DiveHandler *> handles;
QGraphicsLineItem *verticalLine;
QGraphicsLineItem *horizontalLine;
};