subsurface/qt-ui/profile/divetextitem.cpp
Miika Turkia 1f4267d093 Update the text if DC changes
When switching from one DC to the next, the text of DC name is not updated due
to commit 487ddce353. This patch re-inserts the
call to updateText() for the specific function to get the DC name updated
properly.

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-08-09 23:55:27 -07:00

110 lines
2.9 KiB
C++

#include "divetextitem.h"
#include "mainwindow.h"
#include "profilewidget2.h"
DiveTextItem::DiveTextItem(QGraphicsItem *parent) : QGraphicsItemGroup(parent),
internalAlignFlags(Qt::AlignHCenter | Qt::AlignVCenter),
textBackgroundItem(new QGraphicsPathItem(this)),
textItem(new QGraphicsPathItem(this)),
printScale(1.0),
scale(1.0),
connected(false)
{
setFlag(ItemIgnoresTransformations);
textBackgroundItem->setBrush(QBrush(getColor(TEXT_BACKGROUND)));
textBackgroundItem->setPen(Qt::NoPen);
textItem->setPen(Qt::NoPen);
}
void DiveTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
updateText();
QGraphicsItemGroup::paint(painter, option, widget);
}
void DiveTextItem::fontPrintScaleUpdate(double scale)
{
printScale = scale;
}
void DiveTextItem::setAlignment(int alignFlags)
{
if (alignFlags != internalAlignFlags) {
internalAlignFlags = alignFlags;
}
}
void DiveTextItem::setBrush(const QBrush &b)
{
textItem->setBrush(b);
}
void DiveTextItem::setScale(double newscale)
{
if (scale != newscale) {
scale = newscale;
}
}
void DiveTextItem::setText(const QString &t)
{
if (internalText != t) {
if (!connected) {
if (scene()) {
// by now we should be on a scene. grab the profile widget from it and setup our printScale
// and connect to the signal that makes sure we keep track if that changes
ProfileWidget2 *profile = qobject_cast<ProfileWidget2 *>(scene()->views().first());
connect(profile, SIGNAL(fontPrintScaleChanged(double)), this, SLOT(fontPrintScaleUpdate(double)), Qt::UniqueConnection);
fontPrintScaleUpdate(profile->getFontPrintScale());
connected = true;
} else {
qDebug() << "called before scene was set up" << t;
}
}
internalText = t;
updateText();
}
}
const QString &DiveTextItem::text()
{
return internalText;
}
void DiveTextItem::updateText()
{
double size;
if (internalText.isEmpty()) {
return;
}
QFont fnt(qApp->font());
if ((size = fnt.pixelSize()) > 0) {
// set in pixels - so the scale factor may not make a difference if it's too close to 1
size *= scale * printScale;
fnt.setPixelSize(size);
} else {
size = fnt.pointSizeF();
size *= scale * printScale;
fnt.setPointSizeF(size);
}
QFontMetrics fm(fnt);
QPainterPath textPath;
qreal xPos = 0, yPos = 0;
QRectF rect = fm.boundingRect(internalText);
yPos = (internalAlignFlags & Qt::AlignTop) ? 0 :
(internalAlignFlags & Qt::AlignBottom) ? +rect.height() :
/*(internalAlignFlags & Qt::AlignVCenter ? */ +rect.height() / 4;
xPos = (internalAlignFlags & Qt::AlignLeft) ? -rect.width() :
(internalAlignFlags & Qt::AlignHCenter) ? -rect.width() / 2 :
/* (internalAlignFlags & Qt::AlignRight) */ 0;
textPath.addText(xPos, yPos, fnt, internalText);
QPainterPathStroker stroker;
stroker.setWidth(3);
textBackgroundItem->setPath(stroker.createStroke(textPath));
textItem->setPath(textPath);
}