mirror of
https://github.com/crystalidea/qt6windows7.git
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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "window.h"
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#include <QtWidgets>
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//! [Set up widgets]
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Window::Window(QWidget *parent)
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: QWidget(parent)
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{
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setupModel();
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nameLabel = new QLabel(tr("Na&me:"));
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nameEdit = new QLineEdit();
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addressLabel = new QLabel(tr("&Address:"));
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addressEdit = new QTextEdit();
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ageLabel = new QLabel(tr("A&ge (in years):"));
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ageSpinBox = new QSpinBox();
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nextButton = new QPushButton(tr("&Next"));
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previousButton = new QPushButton(tr("&Previous"));
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nameLabel->setBuddy(nameEdit);
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addressLabel->setBuddy(addressEdit);
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ageLabel->setBuddy(ageSpinBox);
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//! [Set up widgets]
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//! [Set up the mapper]
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mapper = new QDataWidgetMapper(this);
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mapper->setModel(model);
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mapper->addMapping(nameEdit, 0);
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mapper->addMapping(addressEdit, 1);
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mapper->addMapping(ageSpinBox, 2);
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connect(previousButton, &QAbstractButton::clicked, mapper, &QDataWidgetMapper::toPrevious);
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connect(nextButton, &QAbstractButton::clicked, mapper, &QDataWidgetMapper::toNext);
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connect(mapper, &QDataWidgetMapper::currentIndexChanged, this, &Window::updateButtons);
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//! [Set up the mapper]
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//! [Set up the layout]
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QGridLayout *layout = new QGridLayout();
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layout->addWidget(nameLabel, 0, 0, 1, 1);
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layout->addWidget(nameEdit, 0, 1, 1, 1);
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layout->addWidget(previousButton, 0, 2, 1, 1);
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layout->addWidget(addressLabel, 1, 0, 1, 1);
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layout->addWidget(addressEdit, 1, 1, 2, 1);
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layout->addWidget(nextButton, 1, 2, 1, 1);
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layout->addWidget(ageLabel, 3, 0, 1, 1);
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layout->addWidget(ageSpinBox, 3, 1, 1, 1);
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setLayout(layout);
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setWindowTitle(tr("Simple Widget Mapper"));
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mapper->toFirst();
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}
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//! [Set up the layout]
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//! [Set up the model]
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void Window::setupModel()
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{
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model = new QStandardItemModel(5, 3, this);
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QStringList names;
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names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";
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QStringList addresses;
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addresses << "<qt>123 Main Street<br/>Market Town</qt>"
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<< "<qt>PO Box 32<br/>Mail Handling Service"
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"<br/>Service City</qt>"
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<< "<qt>The Lighthouse<br/>Remote Island</qt>"
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<< "<qt>47338 Park Avenue<br/>Big City</qt>"
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<< "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";
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QStringList ages;
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ages << "20" << "31" << "32" << "19" << "26";
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for (int row = 0; row < 5; ++row) {
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QStandardItem *item = new QStandardItem(names[row]);
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model->setItem(row, 0, item);
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item = new QStandardItem(addresses[row]);
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model->setItem(row, 1, item);
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item = new QStandardItem(ages[row]);
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model->setItem(row, 2, item);
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}
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}
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//! [Set up the model]
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//! [Slot for updating the buttons]
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void Window::updateButtons(int row)
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{
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previousButton->setEnabled(row > 0);
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nextButton->setEnabled(row < model->rowCount() - 1);
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}
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//! [Slot for updating the buttons]
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