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Code Issues Releases Activity

New (better?) strategy for handling dial setting changes during a session: removed several weird artifacts, should be more solid & reliable.

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@827 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
edouard 2010-06-20 11:30:58 +00:00 committed by edouard
parent 2ff5424944
commit 99c2db99e3
1 changed files with 76 additions and 71 deletions
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31
ground/src/plugins/airspeed/airspeedgadgetwidget.cpp
View File

@ -40,6 +40,7 @@ AirspeedGadgetWidget::AirspeedGadgetWidget(QWidget *parent) : QGraphicsView(pare
setRenderHints(QPainter::Antialiasing);
m_renderer = new QSvgRenderer();
/*
m_background = new QGraphicsSvgItem();
// All other items will be clipped to the shape of the background
m_background->setFlags(QGraphicsItem::ItemClipsChildrenToShape|
@ -54,7 +55,7 @@ AirspeedGadgetWidget::AirspeedGadgetWidget(QWidget *parent) : QGraphicsView(pare
m_needle3->setParentItem(m_background);
paint();
*/
needle1Target = 0;
needle2Target = 0;
needle3Target = 0;
@ -183,13 +184,21 @@ void AirspeedGadgetWidget::setDialFile(QString dfn, QString bg, QString fg, QStr
n2enabled = false;
n3enabled = false;
QGraphicsScene *l_scene = scene();
l_scene->removeItem(m_foreground);
l_scene->removeItem(m_background);
l_scene->removeItem(m_needle1);
l_scene->removeItem(m_needle2);
l_scene->removeItem(m_needle3);
l_scene->clear(); // Deletes all items contained in the scene as well.
m_background = new QGraphicsSvgItem();
// All other items will be clipped to the shape of the background
m_background->setFlags(QGraphicsItem::ItemClipsChildrenToShape|
QGraphicsItem::ItemClipsToShape);
m_foreground = new QGraphicsSvgItem();
m_needle1 = new QGraphicsSvgItem();
m_needle2 = new QGraphicsSvgItem();
m_needle3 = new QGraphicsSvgItem();
m_needle1->setParentItem(m_background);
m_needle2->setParentItem(m_background);
m_needle3->setParentItem(m_background);
m_foreground->setParentItem(m_background);
// We assume the scene contains at least the background
// We assume the dial contains at least the background
// and needle1
m_background->setSharedRenderer(m_renderer);
m_background->setElementId(bg);
@ -199,7 +208,6 @@ void AirspeedGadgetWidget::setDialFile(QString dfn, QString bg, QString fg, QStr
m_needle1->setElementId(n1);
l_scene->addItem(m_needle1);
// The dial gadget allows Needle1 and Needle2 to be
// the same element, for combined movement. Needle3
// is always independent.
@ -267,8 +275,6 @@ void AirspeedGadgetWidget::setDialFile(QString dfn, QString bg, QString fg, QStr
}
l_scene->setSceneRect(m_background->boundingRect());
m_renderer->setViewBox(m_background->boundingRect());
// Now Initialize the center for all transforms of the dial needles to the
// center of the background:
@ -290,8 +296,6 @@ void AirspeedGadgetWidget::setDialFile(QString dfn, QString bg, QString fg, QStr
m_needle3->setTransformOriginPoint(rectN.width()/2,rectN.height()/2);
}
// Last: clip the display region to the rectangle of the background
// TODO
}
}
else
@ -300,7 +304,7 @@ void AirspeedGadgetWidget::setDialFile(QString dfn, QString bg, QString fg, QStr
void AirspeedGadgetWidget::paint()
{
QGraphicsScene *l_scene = scene();
/* QGraphicsScene *l_scene = scene();
l_scene->clear(); // Careful: clear() deletes the objects
l_scene->addItem(m_background);
l_scene->addItem(m_needle1);
@ -308,6 +312,7 @@ void AirspeedGadgetWidget::paint()
l_scene->addItem(m_needle3);
l_scene->addItem(m_foreground);
l_scene->setSceneRect(m_background->boundingRect());
*/
update();
}