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All standard dialog

/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file.  Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights.  These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef DIALOG_H #define DIALOG_H #include <QDialog> QT_BEGIN_NAMESPACE class QCheckBox; class QLabel; class QErrorMessage; QT_END_NAMESPACE class Dialog : public QDialog {     Q_OBJECT public:     Dialog(QWidget *parent = 0); private slots:     void setInteger();     void setDouble();     void setItem();     void setText();     void setColor();     void setFont();     void setExistingDirectory();     void setOpenFileName();     void setOpenFileNames();     void setSaveFileName();     void criticalMessage();     void informationMessage();     void questionMessage();     void warningMessage();     void errorMessage(); private:     QCheckBox *native;     QLabel *integerLabel;     QLabel *doubleLabel;     QLabel *itemLabel;     QLabel *textLabel;     QLabel *colorLabel;     QLabel *fontLabel;     QLabel *directoryLabel;     QLabel *openFileNameLabel;     QLabel *openFileNamesLabel;     QLabel *saveFileNameLabel;     QLabel *criticalLabel;     QLabel *informationLabel;     QLabel *questionLabel;     QLabel *warningLabel;     QLabel *errorLabel;     QErrorMessage *errorMessageDialog;     QString openFilesPath; }; #endif #include <QtGui> #include "dialog.h" #define MESSAGE \     Dialog::tr("<p>Message boxes have a caption, a text, " \                "and any number of buttons, each with standard or custom texts." \                "<p>Click a button to close the message box. Pressing the Esc button " \                "will activate the detected escape button (if any).") Dialog::Dialog(QWidget *parent)     : QDialog(parent) {     errorMessageDialog = new QErrorMessage(this);     int frameStyle = QFrame::Sunken | QFrame::Panel;     integerLabel = new QLabel;     integerLabel->setFrameStyle(frameStyle);     QPushButton *integerButton =             new QPushButton(tr("QInputDialog::get&Int()"));     doubleLabel = new QLabel;     doubleLabel->setFrameStyle(frameStyle);     QPushButton *doubleButton =             new QPushButton(tr("QInputDialog::get&Double()"));     itemLabel = new QLabel;     itemLabel->setFrameStyle(frameStyle);     QPushButton *itemButton = new QPushButton(tr("QInputDialog::getIte&m()"));     textLabel = new QLabel;     textLabel->setFrameStyle(frameStyle);     QPushButton *textButton = new QPushButton(tr("QInputDialog::get&Text()"));     colorLabel = new QLabel;     colorLabel->setFrameStyle(frameStyle);     QPushButton *colorButton = new QPushButton(tr("QColorDialog::get&Color()"));     fontLabel = new QLabel;     fontLabel->setFrameStyle(frameStyle);     QPushButton *fontButton = new QPushButton(tr("QFontDialog::get&Font()"));     directoryLabel = new QLabel;     directoryLabel->setFrameStyle(frameStyle);     QPushButton *directoryButton =             new QPushButton(tr("QFileDialog::getE&xistingDirectory()"));     openFileNameLabel = new QLabel;     openFileNameLabel->setFrameStyle(frameStyle);     QPushButton *openFileNameButton =             new QPushButton(tr("QFileDialog::get&OpenFileName()"));     openFileNamesLabel = new QLabel;     openFileNamesLabel->setFrameStyle(frameStyle);     QPushButton *openFileNamesButton =             new QPushButton(tr("QFileDialog::&getOpenFileNames()"));     saveFileNameLabel = new QLabel;     saveFileNameLabel->setFrameStyle(frameStyle);     QPushButton *saveFileNameButton =             new QPushButton(tr("QFileDialog::get&SaveFileName()"));     criticalLabel = new QLabel;     criticalLabel->setFrameStyle(frameStyle);     QPushButton *criticalButton =             new QPushButton(tr("QMessageBox::critica&l()"));     informationLabel = new QLabel;     informationLabel->setFrameStyle(frameStyle);     QPushButton *informationButton =             new QPushButton(tr("QMessageBox::i&nformation()"));     questionLabel = new QLabel;     questionLabel->setFrameStyle(frameStyle);     QPushButton *questionButton =             new QPushButton(tr("QMessageBox::&question()"));     warningLabel = new QLabel;     warningLabel->setFrameStyle(frameStyle);     QPushButton *warningButton = new QPushButton(tr("QMessageBox::&warning()"));     errorLabel = new QLabel;     errorLabel->setFrameStyle(frameStyle);     QPushButton *errorButton =             new QPushButton(tr("QErrorMessage::show&M&essage()"));     connect(integerButton, SIGNAL(clicked()), this, SLOT(setInteger()));     connect(doubleButton, SIGNAL(clicked()), this, SLOT(setDouble()));     connect(itemButton, SIGNAL(clicked()), this, SLOT(setItem()));     connect(textButton, SIGNAL(clicked()), this, SLOT(setText()));     connect(colorButton, SIGNAL(clicked()), this, SLOT(setColor()));     connect(fontButton, SIGNAL(clicked()), this, SLOT(setFont()));     connect(directoryButton, SIGNAL(clicked()),             this, SLOT(setExistingDirectory()));     connect(openFileNameButton, SIGNAL(clicked()),             this, SLOT(setOpenFileName()));     connect(openFileNamesButton, SIGNAL(clicked()),             this, SLOT(setOpenFileNames()));     connect(saveFileNameButton, SIGNAL(clicked()),             this, SLOT(setSaveFileName()));     connect(criticalButton, SIGNAL(clicked()), this, SLOT(criticalMessage()));     connect(informationButton, SIGNAL(clicked()),             this, SLOT(informationMessage()));     connect(questionButton, SIGNAL(clicked()), this, SLOT(questionMessage()));     connect(warningButton, SIGNAL(clicked()), this, SLOT(warningMessage()));     connect(errorButton, SIGNAL(clicked()), this, SLOT(errorMessage()));     native = new QCheckBox(this);     native->setText("Use native file dialog.");     native->setChecked(true); #ifndef Q_WS_WIN #ifndef Q_OS_MAC     native->hide(); #endif #endif     QGridLayout *layout = new QGridLayout;     layout->setColumnStretch(1, 1);     layout->setColumnMinimumWidth(1, 250);     layout->addWidget(integerButton, 0, 0);     layout->addWidget(integerLabel, 0, 1);     layout->addWidget(doubleButton, 1, 0);     layout->addWidget(doubleLabel, 1, 1);     layout->addWidget(itemButton, 2, 0);     layout->addWidget(itemLabel, 2, 1);     layout->addWidget(textButton, 3, 0);     layout->addWidget(textLabel, 3, 1);     layout->addWidget(colorButton, 4, 0);     layout->addWidget(colorLabel, 4, 1);     layout->addWidget(fontButton, 5, 0);     layout->addWidget(fontLabel, 5, 1);     layout->addWidget(directoryButton, 6, 0);     layout->addWidget(directoryLabel, 6, 1);     layout->addWidget(openFileNameButton, 7, 0);     layout->addWidget(openFileNameLabel, 7, 1);     layout->addWidget(openFileNamesButton, 8, 0);     layout->addWidget(openFileNamesLabel, 8, 1);     layout->addWidget(saveFileNameButton, 9, 0);     layout->addWidget(saveFileNameLabel, 9, 1);     layout->addWidget(criticalButton, 10, 0);     layout->addWidget(criticalLabel, 10, 1);     layout->addWidget(informationButton, 11, 0);     layout->addWidget(informationLabel, 11, 1);     layout->addWidget(questionButton, 12, 0);     layout->addWidget(questionLabel, 12, 1);     layout->addWidget(warningButton, 13, 0);     layout->addWidget(warningLabel, 13, 1);     layout->addWidget(errorButton, 14, 0);     layout->addWidget(errorLabel, 14, 1);     layout->addWidget(native, 15, 0);     setLayout(layout);     setWindowTitle(tr("Standard Dialogs")); } void Dialog::setInteger() {     bool ok;     int i = QInputDialog::getInt(this, tr("QInputDialog::getInteger()"),                                  tr("Percentage:"), 25, 0, 100, 1, &ok);     if (ok)         integerLabel->setText(tr("%1%").arg(i)); } void Dialog::setDouble() {     bool ok;     double d = QInputDialog::getDouble(this, tr("QInputDialog::getDouble()"),                                        tr("Amount:"), 37.56, -10000, 10000, 2, &ok);     if (ok)         doubleLabel->setText(QString("$%1").arg(d)); } void Dialog::setItem() {     QStringList items;     items << tr("Spring") << tr("Summer") << tr("Fall") << tr("Winter");     bool ok;     QString item = QInputDialog::getItem(this, tr("QInputDialog::getItem()"),                                          tr("Season:"), items, 0, false, &ok);     if (ok && !item.isEmpty())         itemLabel->setText(item); } void Dialog::setText() {     bool ok;     QString text = QInputDialog::getText(this, tr("QInputDialog::getText()"),                                          tr("User name:"), QLineEdit::Normal,                                          QDir::home().dirName(), &ok);     if (ok && !text.isEmpty())         textLabel->setText(text); } void Dialog::setColor() {     QColor color = QColorDialog::getColor(Qt::green, this);     if (color.isValid()) {         colorLabel->setText(color.name());         colorLabel->setPalette(QPalette(color));         colorLabel->setAutoFillBackground(true);     } } void Dialog::setFont() {     bool ok;     QFont font = QFontDialog::getFont(&ok, QFont(fontLabel->text()), this);     if (ok) {         fontLabel->setText(font.key());         fontLabel->setFont(font);     } } void Dialog::setExistingDirectory() {     QFileDialog::Options options = QFileDialog::DontResolveSymlinks | QFileDialog::ShowDirsOnly;     if (!native->isChecked())         options |= QFileDialog::DontUseNativeDialog;     QString directory = QFileDialog::getExistingDirectory(this,                                 tr("QFileDialog::getExistingDirectory()"),                                 directoryLabel->text(),                                 options);     if (!directory.isEmpty())         directoryLabel->setText(directory); } void Dialog::setOpenFileName() {     QFileDialog::Options options;     if (!native->isChecked())         options |= QFileDialog::DontUseNativeDialog;     QString selectedFilter;     QString fileName = QFileDialog::getOpenFileName(this,                                 tr("QFileDialog::getOpenFileName()"),                                 openFileNameLabel->text(),                                 tr("All Files (*);;Text Files (*.txt)"),                                 &selectedFilter,                                 options);     if (!fileName.isEmpty())         openFileNameLabel->setText(fileName); } void Dialog::setOpenFileNames() {     QFileDialog::Options options;     if (!native->isChecked())         options |= QFileDialog::DontUseNativeDialog;     QString selectedFilter;     QStringList files = QFileDialog::getOpenFileNames(                                 this, tr("QFileDialog::getOpenFileNames()"),                                 openFilesPath,                                 tr("All Files (*);;Text Files (*.txt)"),                                 &selectedFilter,                                 options);     if (files.count()) {         openFilesPath = files[0];         openFileNamesLabel->setText(QString("[%1]").arg(files.join(", ")));     } } void Dialog::setSaveFileName() {     QFileDialog::Options options;     if (!native->isChecked())         options |= QFileDialog::DontUseNativeDialog;     QString selectedFilter;     QString fileName = QFileDialog::getSaveFileName(this,                                 tr("QFileDialog::getSaveFileName()"),                                 saveFileNameLabel->text(),                                 tr("All Files (*);;Text Files (*.txt)"),                                 &selectedFilter,                                 options);     if (!fileName.isEmpty())         saveFileNameLabel->setText(fileName); } void Dialog::criticalMessage() {     QMessageBox::StandardButton reply;     reply = QMessageBox::critical(this, tr("QMessageBox::critical()"),                                     MESSAGE,                                     QMessageBox::Abort | QMessageBox::Retry | QMessageBox::Ignore);     if (reply == QMessageBox::Abort)         criticalLabel->setText(tr("Abort"));     else if (reply == QMessageBox::Retry)         criticalLabel->setText(tr("Retry"));     else         criticalLabel->setText(tr("Ignore")); } void Dialog::informationMessage() {     QMessageBox::StandardButton reply;     reply = QMessageBox::information(this, tr("QMessageBox::information()"), MESSAGE);     if (reply == QMessageBox::Ok)         informationLabel->setText(tr("OK"));     else         informationLabel->setText(tr("Escape")); } void Dialog::questionMessage() {     QMessageBox::StandardButton reply;     reply = QMessageBox::question(this, tr("QMessageBox::question()"),                                     MESSAGE,                                     QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);     if (reply == QMessageBox::Yes)         questionLabel->setText(tr("Yes"));     else if (reply == QMessageBox::No)         questionLabel->setText(tr("No"));     else         questionLabel->setText(tr("Cancel")); } void Dialog::warningMessage() {     QMessageBox msgBox(QMessageBox::Warning, tr("QMessageBox::warning()"),                        MESSAGE, 0, this);     msgBox.addButton(tr("Save &Again"), QMessageBox::AcceptRole);     msgBox.addButton(tr("&Continue"), QMessageBox::RejectRole);     if (msgBox.exec() == QMessageBox::AcceptRole)         warningLabel->setText(tr("Save Again"));     else         warningLabel->setText(tr("Continue")); } void Dialog::errorMessage() {     errorMessageDialog->showMessage(             tr("This dialog shows and remembers error messages. "                "If the checkbox is checked (as it is by default), "                "the shown message will be shown again, "                "but if the user unchecks the box the message "                "will not appear again if QErrorMessage::showMessage() "                "is called with the same message."));     errorLabel->setText(tr("If the box is unchecked, the message "                            "won't appear again.")); } #include <QApplication> #include <QTranslator> #include <QLocale> #include <QLibraryInfo> #include "dialog.h" int main(int argc, char *argv[]) {     QApplication app(argc, argv);     QString translatorFileName = QLatin1String("qt_");     translatorFileName += QLocale::system().name();     QTranslator *translator = new QTranslator(&app);     if (translator->load(translatorFileName, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))         app.installTranslator(translator);     Dialog dialog;     return dialog.exec(); }