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Diffstat (limited to 'examples/widgets/widgets/lineedits/window.cpp')
| -rw-r--r-- | examples/widgets/widgets/lineedits/window.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/examples/widgets/widgets/lineedits/window.cpp b/examples/widgets/widgets/lineedits/window.cpp new file mode 100644 index 0000000000..7628132e5b --- /dev/null +++ b/examples/widgets/widgets/lineedits/window.cpp @@ -0,0 +1,256 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets> + +#include "window.h" + +//! [0] +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(); +//! [0] + +//! [1] + 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; +//! [1] + +//! [2] + 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; +//! [2] + +//! [3] + 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; +//! [3] + +//! [4] + 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; +//! [4] + +//! [5] + 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))); +//! [5] + +//! [6] + QGridLayout *echoLayout = new QGridLayout; + echoLayout->addWidget(echoLabel, 0, 0); + echoLayout->addWidget(echoComboBox, 0, 1); + echoLayout->addWidget(echoLineEdit, 1, 0, 1, 2); + echoGroup->setLayout(echoLayout); +//! [6] + +//! [7] + 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); +//! [7] + +//! [8] + 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")); +} +//! [8] + +//! [9] +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); + } +} +//! [9] + +//! [10] +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(); +} +//! [10] + +//! [11] +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); + } +} +//! [11] + +//! [12] +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;#"); + } +} +//! [12] + +//! [13] +void Window::accessChanged(int index) +{ + switch (index) { + case 0: + accessLineEdit->setReadOnly(false); + break; + case 1: + accessLineEdit->setReadOnly(true); + } +} +//! [13] |