/******************************************************************************** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.**** This file is part of the example classes of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#include <QtGui>#include "window.h"Window::Window(){    QGroupBox *echoGroup = new QGroupBox(tr("Echo"));    QLabel *echoLabel = new QLabel(tr("Mode:"));    QComboBox *echoComboBox = new QComboBox;    echoComboBox->addItem(tr("Normal"));    echoComboBox->addItem(tr("Password"));    echoComboBox->addItem(tr("PasswordEchoOnEdit"));    echoComboBox->addItem(tr("No Echo"));    echoLineEdit = new QLineEdit;    echoLineEdit->setFocus();    QGroupBox *validatorGroup = new QGroupBox(tr("Validator"));    QLabel *validatorLabel = new QLabel(tr("Type:"));    QComboBox *validatorComboBox = new QComboBox;    validatorComboBox->addItem(tr("No validator"));    validatorComboBox->addItem(tr("Integer validator"));    validatorComboBox->addItem(tr("Double validator"));    validatorLineEdit = new QLineEdit;    QGroupBox *alignmentGroup = new QGroupBox(tr("Alignment"));    QLabel *alignmentLabel = new QLabel(tr("Type:"));    QComboBox *alignmentComboBox = new QComboBox;    alignmentComboBox->addItem(tr("Left"));    alignmentComboBox->addItem(tr("Centered"));    alignmentComboBox->addItem(tr("Right"));    alignmentLineEdit = new QLineEdit;    QGroupBox *inputMaskGroup = new QGroupBox(tr("Input mask"));    QLabel *inputMaskLabel = new QLabel(tr("Type:"));    QComboBox *inputMaskComboBox = new QComboBox;    inputMaskComboBox->addItem(tr("No mask"));    inputMaskComboBox->addItem(tr("Phone number"));    inputMaskComboBox->addItem(tr("ISO date"));    inputMaskComboBox->addItem(tr("License key"));    inputMaskLineEdit = new QLineEdit;    QGroupBox *accessGroup = new QGroupBox(tr("Access"));    QLabel *accessLabel = new QLabel(tr("Read-only:"));    QComboBox *accessComboBox = new QComboBox;    accessComboBox->addItem(tr("False"));    accessComboBox->addItem(tr("True"));    accessLineEdit = new QLineEdit;    connect(echoComboBox, SIGNAL(activated(int)),            this, SLOT(echoChanged(int)));    connect(validatorComboBox, SIGNAL(activated(int)),            this, SLOT(validatorChanged(int)));    connect(alignmentComboBox, SIGNAL(activated(int)),            this, SLOT(alignmentChanged(int)));    connect(inputMaskComboBox, SIGNAL(activated(int)),            this, SLOT(inputMaskChanged(int)));    connect(accessComboBox, SIGNAL(activated(int)),            this, SLOT(accessChanged(int)));    QGridLayout *echoLayout = new QGridLayout;    echoLayout->addWidget(echoLabel, 0, 0);    echoLayout->addWidget(echoComboBox, 0, 1);    echoLayout->addWidget(echoLineEdit, 1, 0, 1, 2);    echoGroup->setLayout(echoLayout);    QGridLayout *validatorLayout = new QGridLayout;    validatorLayout->addWidget(validatorLabel, 0, 0);    validatorLayout->addWidget(validatorComboBox, 0, 1);    validatorLayout->addWidget(validatorLineEdit, 1, 0, 1, 2);    validatorGroup->setLayout(validatorLayout);    QGridLayout *alignmentLayout = new QGridLayout;    alignmentLayout->addWidget(alignmentLabel, 0, 0);    alignmentLayout->addWidget(alignmentComboBox, 0, 1);    alignmentLayout->addWidget(alignmentLineEdit, 1, 0, 1, 2);    alignmentGroup-> setLayout(alignmentLayout);    QGridLayout *inputMaskLayout = new QGridLayout;    inputMaskLayout->addWidget(inputMaskLabel, 0, 0);    inputMaskLayout->addWidget(inputMaskComboBox, 0, 1);    inputMaskLayout->addWidget(inputMaskLineEdit, 1, 0, 1, 2);    inputMaskGroup->setLayout(inputMaskLayout);    QGridLayout *accessLayout = new QGridLayout;    accessLayout->addWidget(accessLabel, 0, 0);    accessLayout->addWidget(accessComboBox, 0, 1);    accessLayout->addWidget(accessLineEdit, 1, 0, 1, 2);    accessGroup->setLayout(accessLayout);    QGridLayout *layout = new QGridLayout;    layout->addWidget(echoGroup, 0, 0);    layout->addWidget(validatorGroup, 1, 0);    layout->addWidget(alignmentGroup, 2, 0);    layout->addWidget(inputMaskGroup, 0, 1);    layout->addWidget(accessGroup, 1, 1);    setLayout(layout);    setWindowTitle(tr("Line Edits"));}void Window::echoChanged(int index){    switch (index) {    case 0:        echoLineEdit->setEchoMode(QLineEdit::Normal);        break;    case 1:        echoLineEdit->setEchoMode(QLineEdit::Password);        break;    case 2:    	echoLineEdit->setEchoMode(QLineEdit::PasswordEchoOnEdit);        break;    case 3:        echoLineEdit->setEchoMode(QLineEdit::NoEcho);    }}void Window::validatorChanged(int index){    switch (index) {    case 0:        validatorLineEdit->setValidator(0);        break;    case 1:        validatorLineEdit->setValidator(new QIntValidator(            validatorLineEdit));        break;    case 2:        validatorLineEdit->setValidator(new QDoubleValidator(-999.0,            999.0, 2, validatorLineEdit));    }    validatorLineEdit->clear();}void Window::alignmentChanged(int index){    switch (index) {    case 0:        alignmentLineEdit->setAlignment(Qt::AlignLeft);        break;    case 1:        alignmentLineEdit->setAlignment(Qt::AlignCenter);        break;    case 2:    	alignmentLineEdit->setAlignment(Qt::AlignRight);    }}void Window::inputMaskChanged(int index){    switch (index) {    case 0:        inputMaskLineEdit->setInputMask("");        break;    case 1:        inputMaskLineEdit->setInputMask("+99 99 99 99 99;_");        break;    case 2:        inputMaskLineEdit->setInputMask("0000-00-00");        inputMaskLineEdit->setText("00000000");        inputMaskLineEdit->setCursorPosition(0);        break;    case 3:        inputMaskLineEdit->setInputMask(">AAAAA-AAAAA-AAAAA-AAAAA-AAAAA;#");    }}void Window::accessChanged(int index){    switch (index) {    case 0:        accessLineEdit->setReadOnly(false);        break;    case 1:        accessLineEdit->setReadOnly(true);    }}