Added drag and drop code to the dive plan

Added drag and drop code to the dive plan, it can move the user-
inputted data, but will not touch the computer generated ones.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-06-20 14:46:40 -03:00
parent 021a6a076e
commit 607f82ade3
2 changed files with 39 additions and 1 deletions

View file

@ -8,7 +8,7 @@ DivePlanner* DivePlanner::instance()
return self;
}
DivePlanner::DivePlanner(QWidget* parent): QGraphicsView(parent)
DivePlanner::DivePlanner(QWidget* parent): QGraphicsView(parent), activeDraggedHandler(0)
{
setMouseTracking(true);
setScene( new QGraphicsScene());
@ -98,6 +98,25 @@ void DivePlanner::mouseMoveEvent(QMouseEvent* event)
verticalLine->setLine(mappedPos.x(), 0, mappedPos.x(), 100);
horizontalLine->setLine(0, mappedPos.y(), 100, mappedPos.y());
if (activeDraggedHandler){
int idx = handles.indexOf(activeDraggedHandler);
activeDraggedHandler->setPos(mappedPos);
if (activeDraggedHandler->from){
QLineF f = activeDraggedHandler->from->line();
activeDraggedHandler->from->setLine(f.x1(), f.y1(), mappedPos.x(), mappedPos.y());
}
if(activeDraggedHandler == handles.last()){
clear_generated_deco();
create_deco_stop();
}
if (activeDraggedHandler->to){
QLineF f = activeDraggedHandler->to->line();
activeDraggedHandler->to->setLine(mappedPos.x(), mappedPos.y(), f.x2(), f.y2());
}
}
if (!handles.count())
return;
@ -122,7 +141,22 @@ bool DivePlanner::isPointOutOfBoundaries(QPointF point)
return false;
}
void DivePlanner::mousePressEvent(QMouseEvent* event)
{
QPointF mappedPos = mapToScene(event->pos());
Q_FOREACH(QGraphicsItem *item, scene()->items(mappedPos)){
if (DiveHandler *h = qgraphicsitem_cast<DiveHandler*>(item)){
activeDraggedHandler = h;
activeDraggedHandler->setBrush(Qt::red);
}
}
}
void DivePlanner::mouseReleaseEvent(QMouseEvent* event)
{
if (activeDraggedHandler)
activeDraggedHandler = 0;
}
DiveHandler::DiveHandler(): QGraphicsEllipseItem(), from(0), to(0)
{

View file

@ -20,6 +20,9 @@ protected:
virtual void showEvent(QShowEvent* event);
virtual void resizeEvent(QResizeEvent* event);
virtual void mouseMoveEvent(QMouseEvent* event);
virtual void mousePressEvent(QMouseEvent* event);
virtual void mouseReleaseEvent(QMouseEvent* event);
void clear_generated_deco();
void create_deco_stop();
bool isPointOutOfBoundaries(QPointF point);
@ -30,5 +33,6 @@ private:
QList<DiveHandler *> handles;
QGraphicsLineItem *verticalLine;
QGraphicsLineItem *horizontalLine;
DiveHandler *activeDraggedHandler;
};
#endif