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 QtScxml module 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 "mainwindow.h"
52#include "ui_mainwindow.h"
53
54#include <QScxmlStateMachine>
55#include <QStringListModel>
56
57QT_USE_NAMESPACE
58
59MainWindow::MainWindow(QScxmlStateMachine *machine, QWidget *parent) :
60 QWidget(parent),
61 ui(new Ui::MainWindow),
62 m_machine(machine)
63{
64 ui->setupUi(this);
65
66 connect(sender: ui->digit0, signal: &QAbstractButton::clicked, slot: [this] {
67 m_machine->submitEvent(eventName: "DIGIT.0");
68 });
69 connect(sender: ui->digit1, signal: &QAbstractButton::clicked, slot: [this] {
70 m_machine->submitEvent(eventName: "DIGIT.1");
71 });
72 connect(sender: ui->digit2, signal: &QAbstractButton::clicked, slot: [this] {
73 m_machine->submitEvent(eventName: "DIGIT.2");
74 });
75 connect(sender: ui->digit3, signal: &QAbstractButton::clicked, slot: [this] {
76 m_machine->submitEvent(eventName: "DIGIT.3");
77 });
78 connect(sender: ui->digit4, signal: &QAbstractButton::clicked, slot: [this] {
79 m_machine->submitEvent(eventName: "DIGIT.4");
80 });
81 connect(sender: ui->digit5, signal: &QAbstractButton::clicked, slot: [this] {
82 m_machine->submitEvent(eventName: "DIGIT.5");
83 });
84 connect(sender: ui->digit6, signal: &QAbstractButton::clicked, slot: [this] {
85 m_machine->submitEvent(eventName: "DIGIT.6");
86 });
87 connect(sender: ui->digit7, signal: &QAbstractButton::clicked, slot: [this] {
88 m_machine->submitEvent(eventName: "DIGIT.7");
89 });
90 connect(sender: ui->digit8, signal: &QAbstractButton::clicked, slot: [this] {
91 m_machine->submitEvent(eventName: "DIGIT.8");
92 });
93 connect(sender: ui->digit9, signal: &QAbstractButton::clicked, slot: [this] {
94 m_machine->submitEvent(eventName: "DIGIT.9");
95 });
96 connect(sender: ui->point, signal: &QAbstractButton::clicked, slot: [this] {
97 m_machine->submitEvent(eventName: "POINT");
98 });
99 connect(sender: ui->operPlus, signal: &QAbstractButton::clicked, slot: [this] {
100 m_machine->submitEvent(eventName: "OPER.PLUS");
101 });
102 connect(sender: ui->operMinus, signal: &QAbstractButton::clicked, slot: [this] {
103 m_machine->submitEvent(eventName: "OPER.MINUS");
104 });
105 connect(sender: ui->operStar, signal: &QAbstractButton::clicked, slot: [this] {
106 m_machine->submitEvent(eventName: "OPER.STAR");
107 });
108 connect(sender: ui->operDiv, signal: &QAbstractButton::clicked, slot: [this] {
109 m_machine->submitEvent(eventName: "OPER.DIV");
110 });
111 connect(sender: ui->equals, signal: &QAbstractButton::clicked, slot: [this] {
112 m_machine->submitEvent(eventName: "EQUALS");
113 });
114 connect(sender: ui->c, signal: &QAbstractButton::clicked, slot: [this] {
115 m_machine->submitEvent(eventName: "C");
116 });
117
118 m_machine->connectToEvent(scxmlEventSpec: QLatin1String("updateDisplay"), context: this,
119 functor: [this](const QScxmlEvent &event) {
120 const QString display = event.data().toMap()
121 .value(akey: "display").toString();
122 ui->display->setText(display);
123 });
124}
125
126MainWindow::~MainWindow()
127{
128 delete ui;
129}
130
131

source code of qtscxml/examples/scxml/calculator-widgets/mainwindow.cpp