1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include <QApplication>
52#include <QTableWidget>
53
54#include "stardelegate.h"
55#include "stareditor.h"
56#include "starrating.h"
57
58//! [0]
59void populateTableWidget(QTableWidget *tableWidget)
60{
61 static constexpr struct {
62 const char *title;
63 const char *genre;
64 const char *artist;
65 int rating;
66 } staticData[] = {
67//! [0] //! [1]
68 { .title: "Mass in B-Minor", .genre: "Baroque", .artist: "J.S. Bach", .rating: 5 },
69//! [1]
70 { .title: "Three More Foxes", .genre: "Jazz", .artist: "Maynard Ferguson", .rating: 4 },
71 { .title: "Sex Bomb", .genre: "Pop", .artist: "Tom Jones", .rating: 3 },
72 { .title: "Barbie Girl", .genre: "Pop", .artist: "Aqua", .rating: 5 },
73//! [2]
74 { .title: nullptr, .genre: nullptr, .artist: nullptr, .rating: 0 }
75//! [2] //! [3]
76 };
77//! [3] //! [4]
78
79 for (int row = 0; staticData[row].title != nullptr; ++row) {
80 QTableWidgetItem *item0 = new QTableWidgetItem(staticData[row].title);
81 QTableWidgetItem *item1 = new QTableWidgetItem(staticData[row].genre);
82 QTableWidgetItem *item2 = new QTableWidgetItem(staticData[row].artist);
83 QTableWidgetItem *item3 = new QTableWidgetItem;
84 item3->setData(role: 0,
85 value: QVariant::fromValue(value: StarRating(staticData[row].rating)));
86
87 tableWidget->setItem(row, column: 0, item: item0);
88 tableWidget->setItem(row, column: 1, item: item1);
89 tableWidget->setItem(row, column: 2, item: item2);
90 tableWidget->setItem(row, column: 3, item: item3);
91 }
92}
93//! [4]
94
95//! [5]
96int main(int argc, char *argv[])
97{
98 QApplication app(argc, argv);
99
100 QTableWidget tableWidget(4, 4);
101 tableWidget.setItemDelegate(new StarDelegate);
102 tableWidget.setEditTriggers(QAbstractItemView::DoubleClicked
103 | QAbstractItemView::SelectedClicked);
104 tableWidget.setSelectionBehavior(QAbstractItemView::SelectRows);
105 tableWidget.setHorizontalHeaderLabels({"Title", "Genre", "Artist", "Rating"});
106
107 populateTableWidget(tableWidget: &tableWidget);
108
109 tableWidget.resizeColumnsToContents();
110 tableWidget.resize(w: 500, h: 300);
111 tableWidget.show();
112
113 return app.exec();
114}
115//! [5]
116

source code of qtbase/examples/widgets/itemviews/stardelegate/main.cpp