blob: 8bd3c850f6ed7d5409a5408807b50cbfb07b9796 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "stareditor.h"
#include "starrating.h"
#include <QtWidgets>
//! [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(), palette(),
StarRating::EditMode::Editable);
}
//! [1]
//! [2]
void StarEditor::mouseMoveEvent(QMouseEvent *event)
{
const int star = starAtPosition(event->position().toPoint().x());
if (star != myStarRating.starCount() && star != -1) {
myStarRating.setStarCount(star);
update();
}
QWidget::mouseMoveEvent(event);
}
//! [2]
//! [3]
void StarEditor::mouseReleaseEvent(QMouseEvent *event)
{
emit editingFinished();
QWidget::mouseReleaseEvent(event);
}
//! [3]
//! [4]
int StarEditor::starAtPosition(int x) const
{
const int star = (x / (myStarRating.sizeHint().width()
/ myStarRating.maxStarCount())) + 1;
if (star <= 0 || star > myStarRating.maxStarCount())
return -1;
return star;
}
//! [4]
|
