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50
51//! [0]
52#include <QtUiTools>
53//! [0]
54#include <QSpinBox>
55#include <QLabel>
56#include <QVBoxLayout>
57#include <QFile>
58
59#include "calculatorform.h"
60
61//! [1]
62CalculatorForm::CalculatorForm(QWidget *parent)
63 : QWidget(parent)
64{
65 QUiLoader loader;
66
67 QFile file(":/forms/calculatorform.ui");
68 file.open(flags: QFile::ReadOnly);
69 QWidget *formWidget = loader.load(device: &file, parentWidget: this);
70 file.close();
71//! [1]
72
73//! [2]
74 ui_inputSpinBox1 = findChild<QSpinBox*>(aName: "inputSpinBox1");
75 ui_inputSpinBox2 = findChild<QSpinBox*>(aName: "inputSpinBox2");
76 ui_outputWidget = findChild<QLabel*>(aName: "outputWidget");
77//! [2]
78
79//! [3]
80 QMetaObject::connectSlotsByName(o: this);
81//! [3]
82
83//! [4]
84 QVBoxLayout *layout = new QVBoxLayout;
85 layout->addWidget(formWidget);
86 setLayout(layout);
87
88 setWindowTitle(tr(s: "Calculator Builder"));
89}
90//! [4]
91
92//! [5]
93void CalculatorForm::on_inputSpinBox1_valueChanged(int value)
94{
95 ui_outputWidget->setText(QString::number(value + ui_inputSpinBox2->value()));
96}
97//! [5] //! [6]
98
99//! [6] //! [7]
100void CalculatorForm::on_inputSpinBox2_valueChanged(int value)
101{
102 ui_outputWidget->setText(QString::number(value + ui_inputSpinBox1->value()));
103}
104//! [7]
105

source code of qttools/examples/designer/calculatorbuilder/calculatorform.cpp