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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">window.cpp Example File<br /><small><small>widgets/lineedits/window.cpp</small></small></h1>

<pre>  /****************************************************************************

** This file is part of the documentation of the Qt Toolkit.

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

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** See http://www.trolltech.com/gpl/ for GPL licensing information.

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** not clear to you.

** 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("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;

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accessComboBox->addItem(tr("False"));

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accessComboBox->addItem(tr("True"));

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accessLineEdit = new QLineEdit;

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connect(echoComboBox, SIGNAL(activated(int)),

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this, SLOT(slotEchoChanged(int)));

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connect(validatorComboBox, SIGNAL(activated(int)),

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this, SLOT(slotValidatorChanged(int)));

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connect(alignmentComboBox, SIGNAL(activated(int)),

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this, SLOT(slotAlignmentChanged(int)));

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connect(inputMaskComboBox, SIGNAL(activated(int)),

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this, SLOT(slotInputMaskChanged(int)));

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connect(accessComboBox, SIGNAL(activated(int)),

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this, SLOT(slotAccessChanged(int)));

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QGridLayout *echoLayout = new QGridLayout;

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echoLayout->addWidget(echoLabel, 0, 0);

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echoLayout->addWidget(echoComboBox, 0, 1);

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echoLayout->addWidget(echoLineEdit, 1, 0, 1, 2);

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echoGroup->setLayout(echoLayout);

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QGridLayout *validatorLayout = new QGridLayout;

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validatorLayout->addWidget(validatorLabel, 0, 0);

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validatorLayout->addWidget(validatorComboBox, 0, 1);

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validatorLayout->addWidget(validatorLineEdit, 1, 0, 1, 2);

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validatorGroup->setLayout(validatorLayout);

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QGridLayout *alignmentLayout = new QGridLayout;

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alignmentLayout->addWidget(alignmentLabel, 0, 0);

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alignmentLayout->addWidget(alignmentComboBox, 0, 1);

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alignmentLayout->addWidget(alignmentLineEdit, 1, 0, 1, 2);

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alignmentGroup-> setLayout(alignmentLayout);

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QGridLayout *inputMaskLayout = new QGridLayout;

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inputMaskLayout->addWidget(inputMaskLabel, 0, 0);

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inputMaskLayout->addWidget(inputMaskComboBox, 0, 1);

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inputMaskLayout->addWidget(inputMaskLineEdit, 1, 0, 1, 2);

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inputMaskGroup->setLayout(inputMaskLayout);

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QGridLayout *accessLayout = new QGridLayout;

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accessLayout->addWidget(accessLabel, 0, 0);

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accessLayout->addWidget(accessComboBox, 0, 1);

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accessLayout->addWidget(accessLineEdit, 1, 0, 1, 2);

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accessGroup->setLayout(accessLayout);

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QVBoxLayout *layout = new QVBoxLayout;

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layout->addWidget(echoGroup);

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layout->addWidget(validatorGroup);

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layout->addWidget(alignmentGroup);

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layout->addWidget(inputMaskGroup);

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layout->addWidget(accessGroup);

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setLayout(layout);

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setWindowTitle(tr("Line Edits"));

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}

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void Window::slotEchoChanged(int index)

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{

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switch (index) {

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case 0:

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echoLineEdit->setEchoMode(QLineEdit::Normal);

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break;

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case 1:

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echoLineEdit->setEchoMode(QLineEdit::Password);

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break;

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case 2:

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echoLineEdit->setEchoMode(QLineEdit::NoEcho);

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break;

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}

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}

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void Window::slotValidatorChanged(int index)

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{

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switch (index) {

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case 0:

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validatorLineEdit->setValidator(0);

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break;

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case 1:

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validatorLineEdit->setValidator(new QIntValidator(

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validatorLineEdit));

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break;

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case 2:

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validatorLineEdit->setValidator(new QDoubleValidator(-999.0,

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999.0, 2, validatorLineEdit));

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break;

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}

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validatorLineEdit->setText("");

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}

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void Window::slotAlignmentChanged(int index)

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{

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switch (index) {

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case 0:

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alignmentLineEdit->setAlignment(Qt::AlignLeft);

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break;

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case 1:

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alignmentLineEdit->setAlignment(Qt::AlignCenter);

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break;

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case 2:

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alignmentLineEdit->setAlignment(Qt::AlignRight);

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break;

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}

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}

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void Window::slotInputMaskChanged(int index)

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{

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switch (index) {

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case 0:

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inputMaskLineEdit->setInputMask(QString());

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break;

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case 1:

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inputMaskLineEdit->setInputMask("+99 99 99 99 99;_");

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break;

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case 2:

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inputMaskLineEdit->setInputMask("0000-00-00");

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inputMaskLineEdit->setText("00000000");

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inputMaskLineEdit->setCursorPosition(0);

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break;

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case 3:

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inputMaskLineEdit->setInputMask(">AAAAA-AAAAA-AAAAA-AAAAA-AAAAA;#");

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break;

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}

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}

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void Window::slotAccessChanged(int index)

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{

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switch (index) {

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case 0:

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accessLineEdit->setReadOnly(false);

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break;

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case 1:

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accessLineEdit->setReadOnly(true);

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break;

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}

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}</pre>

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