48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** You may use this file under the terms of the BSD license as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
|
|
** of its contributors may be used to endorse or promote products derived
|
|
** from this software without specific prior written permission.
|
|
**
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QtWidgets>
|
|
|
|
#include "stareditor.h"
|
|
#include "starrating.h"
|
|
|
|
//! [0]
|
|
StarEditor::StarEditor(QWidget *parent)
|
|
: QWidget(parent)
|
|
{
|
|
setMouseTracking(true);
|
|
setAutoFillBackground(true);
|
|
}
|
|
//! [0]
|
|
|
|
QSize StarEditor::sizeHint() const
|
|
{
|
|
return myStarRating.sizeHint();
|
|
}
|
|
|
|
//! [1]
|
|
void StarEditor::paintEvent(QPaintEvent *)
|
|
{
|
|
QPainter painter(this);
|
|
myStarRating.paint(&painter, rect(), this->palette(),
|
|
StarRating::Editable);
|
|
}
|
|
//! [1]
|
|
|
|
//! [2]
|
|
void StarEditor::mouseMoveEvent(QMouseEvent *event)
|
|
{
|
|
int star = starAtPosition(event->x());
|
|
|
|
if (star != myStarRating.starCount() && star != -1) {
|
|
myStarRating.setStarCount(star);
|
|
update();
|
|
}
|
|
}
|
|
//! [2]
|
|
|
|
//! [3]
|
|
void StarEditor::mouseReleaseEvent(QMouseEvent * /* event */)
|
|
{
|
|
emit editingFinished();
|
|
}
|
|
//! [3]
|
|
|
|
//! [4]
|
|
int StarEditor::starAtPosition(int x)
|
|
{
|
|
int star = (x / (myStarRating.sizeHint().width()
|
|
/ myStarRating.maxStarCount())) + 1;
|
|
if (star <= 0 || star > myStarRating.maxStarCount())
|
|
return -1;
|
|
|
|
return star;
|
|
}
|
|
//! [4]
|