subsurface/qt-ui/diveplanner.cpp
Tomaz Canabrava 364254ed36 Better handling of the scene size for the dive Plan
Better handling of the scene size for the dive plan,
The scene can be resized and a transform will be applied,
the handles will not resize however - they are 10x10px
and that's it.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
2013-06-20 13:28:04 -03:00

67 lines
1.6 KiB
C++

#include "diveplanner.h"
#include <QMouseEvent>
#include <boost/graph/graph_concepts.hpp>
DivePlanner* DivePlanner::instance()
{
static DivePlanner *self = new DivePlanner();
return self;
}
DivePlanner::DivePlanner(QWidget* parent): QGraphicsView(parent)
{
setScene( new QGraphicsScene());
scene()->setSceneRect(0,0,100,100);
}
void DivePlanner::mouseDoubleClickEvent(QMouseEvent* event)
{
QGraphicsEllipseItem *item = new QGraphicsEllipseItem(-5,-5,10,10);
item->setFlag(QGraphicsItem::ItemIgnoresTransformations);
QPointF mappedPos = mapToScene(event->pos());
item->setPos( mappedPos );
scene()->addItem(item);
handles << item;
if (lines.empty()){
QGraphicsLineItem *first = new QGraphicsLineItem(0,0, mappedPos.x(), mappedPos.y());
lines << first;
create_deco_stop();
scene()->addItem(first);
}else{
clear_generated_deco();
create_deco_stop();
}
}
void DivePlanner::clear_generated_deco()
{
for(int i = handles.count(); i < lines.count(); i++){
scene()->removeItem(lines.last());
delete lines.last();
lines.removeLast();
}
}
void DivePlanner::create_deco_stop()
{
// this needs to create everything
// for the calculated deco.
QGraphicsLineItem *item = new QGraphicsLineItem(handles.last()->x(), handles.last()->y(), 100, 0);
scene()->addItem(item);
lines << item;
}
void DivePlanner::resizeEvent(QResizeEvent* event)
{
QGraphicsView::resizeEvent(event);
fitInView(sceneRect(), Qt::KeepAspectRatio);
}
void DivePlanner::showEvent(QShowEvent* event)
{
QGraphicsView::showEvent(event);
fitInView(sceneRect(), Qt::KeepAspectRatio);
}