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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /examples/dialogs/standarddialogs/dialog.cpp
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 <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::showM&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);
+ 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()
+{
+//! [0]
+ 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));
+//! [0]
+}
+
+void Dialog::setDouble()
+{
+//! [1]
+ 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));
+//! [1]
+}
+
+void Dialog::setItem()
+{
+//! [2]
+ 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);
+//! [2]
+}
+
+void Dialog::setText()
+{
+//! [3]
+ 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);
+//! [3]
+}
+
+void Dialog::setColor()
+{
+ QColor color;
+ if (native->isChecked())
+ color = QColorDialog::getColor(Qt::green, this);
+ else
+ color = QColorDialog::getColor(Qt::green, this, "Select Color", QColorDialog::DontUseNativeDialog);
+
+ 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."));
+}