stareditor.cpp Example File
itemviews/stardelegate/stareditor.cpp
#include <QtGui>
#include "stareditor.h"
#include "starrating.h"
StarEditor::StarEditor(QWidget *parent)
: QWidget(parent)
{
setMouseTracking(true);
setAutoFillBackground(true);
}
QSize StarEditor::sizeHint() const
{
return myStarRating.sizeHint();
}
void StarEditor::paintEvent(QPaintEvent *)
{
QPainter painter(this);
myStarRating.paint(&painter, rect(), this->palette(),
StarRating::Editable);
}
void StarEditor::mouseMoveEvent(QMouseEvent *event)
{
int star = starAtPosition(event->x());
if (star != myStarRating.starCount() && star != -1) {
myStarRating.setStarCount(star);
update();
}
}
void StarEditor::mouseReleaseEvent(QMouseEvent * )
{
emit editingFinished();
}
int StarEditor::starAtPosition(int x)
{
int star = (x / (myStarRating.sizeHint().width()
/ myStarRating.maxStarCount())) + 1;
if (star <= 0 || star > myStarRating.maxStarCount())
return -1;
return star;
}
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Qt 4.4.3 |