mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-27 14:38:28 +08:00
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include <QtWidgets>
|
|
#include "addressbook.h"
|
|
|
|
AddressBook::AddressBook(QWidget *parent)
|
|
: QWidget(parent)
|
|
{
|
|
QLabel *nameLabel = new QLabel(tr("Name:"));
|
|
nameLine = new QLineEdit;
|
|
//! [setting readonly 1]
|
|
nameLine->setReadOnly(true);
|
|
//! [setting readonly 1]
|
|
QLabel *addressLabel = new QLabel(tr("Address:"));
|
|
addressText = new QTextEdit;
|
|
//! [setting readonly 2]
|
|
addressText->setReadOnly(true);
|
|
//! [setting readonly 2]
|
|
|
|
//! [pushbutton declaration]
|
|
addButton = new QPushButton(tr("&Add"));
|
|
addButton->show();
|
|
submitButton = new QPushButton(tr("&Submit"));
|
|
submitButton->hide();
|
|
cancelButton = new QPushButton(tr("&Cancel"));
|
|
cancelButton->hide();
|
|
//! [pushbutton declaration]
|
|
//! [connecting signals and slots]
|
|
connect(addButton, &QPushButton::clicked,
|
|
this, &AddressBook::addContact);
|
|
connect(submitButton, &QPushButton::clicked,
|
|
this, &AddressBook::submitContact);
|
|
connect(cancelButton, &QPushButton::clicked,
|
|
this, &AddressBook::cancel);
|
|
//! [connecting signals and slots]
|
|
//! [vertical layout]
|
|
QVBoxLayout *buttonLayout1 = new QVBoxLayout;
|
|
buttonLayout1->addWidget(addButton, Qt::AlignTop);
|
|
buttonLayout1->addWidget(submitButton);
|
|
buttonLayout1->addWidget(cancelButton);
|
|
buttonLayout1->addStretch();
|
|
//! [vertical layout]
|
|
//! [grid layout]
|
|
QGridLayout *mainLayout = new QGridLayout;
|
|
mainLayout->addWidget(nameLabel, 0, 0);
|
|
mainLayout->addWidget(nameLine, 0, 1);
|
|
mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
|
|
mainLayout->addWidget(addressText, 1, 1);
|
|
mainLayout->addLayout(buttonLayout1, 1, 2);
|
|
//! [grid layout]
|
|
setLayout(mainLayout);
|
|
setWindowTitle(tr("Simple Address Book"));
|
|
}
|
|
//! [addContact]
|
|
void AddressBook::addContact()
|
|
{
|
|
oldName = nameLine->text();
|
|
oldAddress = addressText->toPlainText();
|
|
|
|
nameLine->clear();
|
|
addressText->clear();
|
|
|
|
nameLine->setReadOnly(false);
|
|
nameLine->setFocus(Qt::OtherFocusReason);
|
|
addressText->setReadOnly(false);
|
|
|
|
addButton->setEnabled(false);
|
|
submitButton->show();
|
|
cancelButton->show();
|
|
}
|
|
//! [addContact]
|
|
|
|
//! [submitContact part1]
|
|
void AddressBook::submitContact()
|
|
{
|
|
QString name = nameLine->text();
|
|
QString address = addressText->toPlainText();
|
|
|
|
if (name.isEmpty() || address.isEmpty()) {
|
|
QMessageBox::information(this, tr("Empty Field"),
|
|
tr("Please enter a name and address."));
|
|
return;
|
|
}
|
|
//! [submitContact part1]
|
|
//! [submitContact part2]
|
|
if (!contacts.contains(name)) {
|
|
contacts.insert(name, address);
|
|
QMessageBox::information(this, tr("Add Successful"),
|
|
tr("\"%1\" has been added to your address book.").arg(name));
|
|
} else {
|
|
QMessageBox::information(this, tr("Add Unsuccessful"),
|
|
tr("Sorry, \"%1\" is already in your address book.").arg(name));
|
|
return;
|
|
}
|
|
//! [submitContact part2]
|
|
//! [submitContact part3]
|
|
if (contacts.isEmpty()) {
|
|
nameLine->clear();
|
|
addressText->clear();
|
|
}
|
|
|
|
nameLine->setReadOnly(true);
|
|
addressText->setReadOnly(true);
|
|
addButton->setEnabled(true);
|
|
submitButton->hide();
|
|
cancelButton->hide();
|
|
}
|
|
//! [submitContact part3]
|
|
//! [cancel]
|
|
void AddressBook::cancel()
|
|
{
|
|
nameLine->setText(oldName);
|
|
nameLine->setReadOnly(true);
|
|
|
|
addressText->setText(oldAddress);
|
|
addressText->setReadOnly(true);
|
|
|
|
addButton->setEnabled(true);
|
|
submitButton->hide();
|
|
cancelButton->hide();
|
|
}
|
|
//! [cancel]
|