806dda08d6
Updated those .qdoc files to refer to the new relative examples emplacement. Images and snippets to be moved later. Also grouped all widgets related examples under widgets. Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>
472 lines
18 KiB
C++
472 lines
18 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "dialog.h"
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#define MESSAGE \
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Dialog::tr("<p>Message boxes have a caption, a text, " \
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"and any number of buttons, each with standard or custom texts." \
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"<p>Click a button to close the message box. Pressing the Esc button " \
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"will activate the detected escape button (if any).")
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class DialogOptionsWidget : public QGroupBox
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{
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public:
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explicit DialogOptionsWidget(QWidget *parent = 0);
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void addCheckBox(const QString &text, int value);
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void addSpacer();
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int value() const;
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private:
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typedef QPair<QCheckBox *, int> CheckBoxEntry;
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QVBoxLayout *layout;
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QList<CheckBoxEntry> checkBoxEntries;
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};
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DialogOptionsWidget::DialogOptionsWidget(QWidget *parent) :
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QGroupBox(parent) , layout(new QVBoxLayout)
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{
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setTitle(Dialog::tr("Options"));
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setLayout(layout);
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}
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void DialogOptionsWidget::addCheckBox(const QString &text, int value)
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{
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QCheckBox *checkBox = new QCheckBox(text);
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layout->addWidget(checkBox);
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checkBoxEntries.append(CheckBoxEntry(checkBox, value));
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}
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void DialogOptionsWidget::addSpacer()
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{
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding));
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}
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int DialogOptionsWidget::value() const
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{
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int result = 0;
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foreach (const CheckBoxEntry &checkboxEntry, checkBoxEntries)
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if (checkboxEntry.first->isChecked())
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result |= checkboxEntry.second;
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return result;
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}
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Dialog::Dialog(QWidget *parent)
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: QWidget(parent)
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{
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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QToolBox *toolbox = new QToolBox;
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mainLayout->addWidget(toolbox);
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errorMessageDialog = new QErrorMessage(this);
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int frameStyle = QFrame::Sunken | QFrame::Panel;
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integerLabel = new QLabel;
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integerLabel->setFrameStyle(frameStyle);
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QPushButton *integerButton =
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new QPushButton(tr("QInputDialog::get&Int()"));
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doubleLabel = new QLabel;
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doubleLabel->setFrameStyle(frameStyle);
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QPushButton *doubleButton =
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new QPushButton(tr("QInputDialog::get&Double()"));
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itemLabel = new QLabel;
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itemLabel->setFrameStyle(frameStyle);
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QPushButton *itemButton = new QPushButton(tr("QInputDialog::getIte&m()"));
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textLabel = new QLabel;
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textLabel->setFrameStyle(frameStyle);
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QPushButton *textButton = new QPushButton(tr("QInputDialog::get&Text()"));
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colorLabel = new QLabel;
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colorLabel->setFrameStyle(frameStyle);
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QPushButton *colorButton = new QPushButton(tr("QColorDialog::get&Color()"));
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fontLabel = new QLabel;
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fontLabel->setFrameStyle(frameStyle);
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QPushButton *fontButton = new QPushButton(tr("QFontDialog::get&Font()"));
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directoryLabel = new QLabel;
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directoryLabel->setFrameStyle(frameStyle);
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QPushButton *directoryButton =
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new QPushButton(tr("QFileDialog::getE&xistingDirectory()"));
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openFileNameLabel = new QLabel;
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openFileNameLabel->setFrameStyle(frameStyle);
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QPushButton *openFileNameButton =
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new QPushButton(tr("QFileDialog::get&OpenFileName()"));
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openFileNamesLabel = new QLabel;
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openFileNamesLabel->setFrameStyle(frameStyle);
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QPushButton *openFileNamesButton =
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new QPushButton(tr("QFileDialog::&getOpenFileNames()"));
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saveFileNameLabel = new QLabel;
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saveFileNameLabel->setFrameStyle(frameStyle);
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QPushButton *saveFileNameButton =
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new QPushButton(tr("QFileDialog::get&SaveFileName()"));
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criticalLabel = new QLabel;
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criticalLabel->setFrameStyle(frameStyle);
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QPushButton *criticalButton =
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new QPushButton(tr("QMessageBox::critica&l()"));
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informationLabel = new QLabel;
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informationLabel->setFrameStyle(frameStyle);
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QPushButton *informationButton =
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new QPushButton(tr("QMessageBox::i&nformation()"));
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questionLabel = new QLabel;
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questionLabel->setFrameStyle(frameStyle);
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QPushButton *questionButton =
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new QPushButton(tr("QMessageBox::&question()"));
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warningLabel = new QLabel;
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warningLabel->setFrameStyle(frameStyle);
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QPushButton *warningButton = new QPushButton(tr("QMessageBox::&warning()"));
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errorLabel = new QLabel;
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errorLabel->setFrameStyle(frameStyle);
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QPushButton *errorButton =
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new QPushButton(tr("QErrorMessage::showM&essage()"));
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connect(integerButton, SIGNAL(clicked()), this, SLOT(setInteger()));
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connect(doubleButton, SIGNAL(clicked()), this, SLOT(setDouble()));
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connect(itemButton, SIGNAL(clicked()), this, SLOT(setItem()));
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connect(textButton, SIGNAL(clicked()), this, SLOT(setText()));
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connect(colorButton, SIGNAL(clicked()), this, SLOT(setColor()));
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connect(fontButton, SIGNAL(clicked()), this, SLOT(setFont()));
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connect(directoryButton, SIGNAL(clicked()),
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this, SLOT(setExistingDirectory()));
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connect(openFileNameButton, SIGNAL(clicked()),
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this, SLOT(setOpenFileName()));
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connect(openFileNamesButton, SIGNAL(clicked()),
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this, SLOT(setOpenFileNames()));
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connect(saveFileNameButton, SIGNAL(clicked()),
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this, SLOT(setSaveFileName()));
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connect(criticalButton, SIGNAL(clicked()), this, SLOT(criticalMessage()));
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connect(informationButton, SIGNAL(clicked()),
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this, SLOT(informationMessage()));
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connect(questionButton, SIGNAL(clicked()), this, SLOT(questionMessage()));
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connect(warningButton, SIGNAL(clicked()), this, SLOT(warningMessage()));
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connect(errorButton, SIGNAL(clicked()), this, SLOT(errorMessage()));
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QWidget *page = new QWidget;
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QGridLayout *layout = new QGridLayout(page);
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layout->setColumnStretch(1, 1);
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layout->setColumnMinimumWidth(1, 250);
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layout->addWidget(integerButton, 0, 0);
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layout->addWidget(integerLabel, 0, 1);
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layout->addWidget(doubleButton, 1, 0);
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layout->addWidget(doubleLabel, 1, 1);
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layout->addWidget(itemButton, 2, 0);
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layout->addWidget(itemLabel, 2, 1);
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layout->addWidget(textButton, 3, 0);
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layout->addWidget(textLabel, 3, 1);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding), 4, 0);
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toolbox->addItem(page, tr("Input Dialogs"));
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const QString doNotUseNativeDialog = tr("Do not use native dialog");
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page = new QWidget;
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layout = new QGridLayout(page);
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layout->setColumnStretch(1, 1);
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layout->addWidget(colorButton, 0, 0);
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layout->addWidget(colorLabel, 0, 1);
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colorDialogOptionsWidget = new DialogOptionsWidget;
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colorDialogOptionsWidget->addCheckBox(doNotUseNativeDialog, QColorDialog::DontUseNativeDialog);
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colorDialogOptionsWidget->addCheckBox(tr("Show alpha channel") , QColorDialog::ShowAlphaChannel);
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colorDialogOptionsWidget->addCheckBox(tr("No buttons") , QColorDialog::NoButtons);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding), 1, 0);
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layout->addWidget(colorDialogOptionsWidget, 2, 0, 1 ,2);
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toolbox->addItem(page, tr("Color Dialog"));
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page = new QWidget;
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layout = new QGridLayout(page);
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layout->setColumnStretch(1, 1);
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layout->addWidget(fontButton, 0, 0);
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layout->addWidget(fontLabel, 0, 1);
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fontDialogOptionsWidget = new DialogOptionsWidget;
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fontDialogOptionsWidget->addCheckBox(doNotUseNativeDialog, QFontDialog::DontUseNativeDialog);
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fontDialogOptionsWidget->addCheckBox(tr("No buttons") , QFontDialog::NoButtons);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding), 1, 0);
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layout->addWidget(fontDialogOptionsWidget, 2, 0, 1 ,2);
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toolbox->addItem(page, tr("Font Dialog"));
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page = new QWidget;
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layout = new QGridLayout(page);
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layout->setColumnStretch(1, 1);
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layout->addWidget(directoryButton, 0, 0);
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layout->addWidget(directoryLabel, 0, 1);
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layout->addWidget(openFileNameButton, 1, 0);
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layout->addWidget(openFileNameLabel, 1, 1);
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layout->addWidget(openFileNamesButton, 2, 0);
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layout->addWidget(openFileNamesLabel, 2, 1);
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layout->addWidget(saveFileNameButton, 3, 0);
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layout->addWidget(saveFileNameLabel, 3, 1);
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fileDialogOptionsWidget = new DialogOptionsWidget;
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fileDialogOptionsWidget->addCheckBox(doNotUseNativeDialog, QFileDialog::DontUseNativeDialog);
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fileDialogOptionsWidget->addCheckBox(tr("Show directories only"), QFileDialog::ShowDirsOnly);
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fileDialogOptionsWidget->addCheckBox(tr("Do not resolve symlinks"), QFileDialog::DontResolveSymlinks);
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fileDialogOptionsWidget->addCheckBox(tr("Do not confirm overwrite"), QFileDialog::DontConfirmOverwrite);
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fileDialogOptionsWidget->addCheckBox(tr("Do not use sheet"), QFileDialog::DontUseSheet);
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fileDialogOptionsWidget->addCheckBox(tr("Readonly"), QFileDialog::ReadOnly);
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fileDialogOptionsWidget->addCheckBox(tr("Hide name filter details"), QFileDialog::HideNameFilterDetails);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding), 4, 0);
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layout->addWidget(fileDialogOptionsWidget, 5, 0, 1 ,2);
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toolbox->addItem(page, tr("File Dialogs"));
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page = new QWidget;
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layout = new QGridLayout(page);
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layout->setColumnStretch(1, 1);
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layout->addWidget(criticalButton, 0, 0);
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layout->addWidget(criticalLabel, 0, 1);
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layout->addWidget(informationButton, 1, 0);
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layout->addWidget(informationLabel, 1, 1);
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layout->addWidget(questionButton, 2, 0);
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layout->addWidget(questionLabel, 2, 1);
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layout->addWidget(warningButton, 3, 0);
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layout->addWidget(warningLabel, 3, 1);
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layout->addWidget(errorButton, 4, 0);
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layout->addWidget(errorLabel, 4, 1);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding), 5, 0);
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toolbox->addItem(page, tr("Message Boxes"));
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setWindowTitle(tr("Standard Dialogs"));
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}
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void Dialog::setInteger()
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{
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//! [0]
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bool ok;
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int i = QInputDialog::getInt(this, tr("QInputDialog::getInteger()"),
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tr("Percentage:"), 25, 0, 100, 1, &ok);
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if (ok)
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integerLabel->setText(tr("%1%").arg(i));
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//! [0]
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}
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void Dialog::setDouble()
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{
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//! [1]
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bool ok;
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double d = QInputDialog::getDouble(this, tr("QInputDialog::getDouble()"),
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tr("Amount:"), 37.56, -10000, 10000, 2, &ok);
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if (ok)
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doubleLabel->setText(QString("$%1").arg(d));
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//! [1]
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}
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void Dialog::setItem()
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{
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//! [2]
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QStringList items;
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items << tr("Spring") << tr("Summer") << tr("Fall") << tr("Winter");
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bool ok;
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QString item = QInputDialog::getItem(this, tr("QInputDialog::getItem()"),
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tr("Season:"), items, 0, false, &ok);
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if (ok && !item.isEmpty())
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itemLabel->setText(item);
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//! [2]
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}
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void Dialog::setText()
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{
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//! [3]
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bool ok;
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QString text = QInputDialog::getText(this, tr("QInputDialog::getText()"),
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tr("User name:"), QLineEdit::Normal,
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QDir::home().dirName(), &ok);
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if (ok && !text.isEmpty())
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textLabel->setText(text);
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//! [3]
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}
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void Dialog::setColor()
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{
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const QColorDialog::ColorDialogOptions options = QFlag(colorDialogOptionsWidget->value());
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const QColor color = QColorDialog::getColor(Qt::green, this, "Select Color", options);
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if (color.isValid()) {
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colorLabel->setText(color.name());
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colorLabel->setPalette(QPalette(color));
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colorLabel->setAutoFillBackground(true);
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}
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}
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void Dialog::setFont()
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{
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const QFontDialog::FontDialogOptions options = QFlag(fontDialogOptionsWidget->value());
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bool ok;
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QFont font = QFontDialog::getFont(&ok, QFont(fontLabel->text()), this, "Select Font", options);
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if (ok) {
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fontLabel->setText(font.key());
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fontLabel->setFont(font);
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}
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}
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void Dialog::setExistingDirectory()
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{
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QFileDialog::Options options = QFlag(fileDialogOptionsWidget->value());
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options |= QFileDialog::DontResolveSymlinks | QFileDialog::ShowDirsOnly;
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QString directory = QFileDialog::getExistingDirectory(this,
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tr("QFileDialog::getExistingDirectory()"),
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directoryLabel->text(),
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options);
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if (!directory.isEmpty())
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directoryLabel->setText(directory);
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}
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void Dialog::setOpenFileName()
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{
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const QFileDialog::Options options = QFlag(fileDialogOptionsWidget->value());
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QString selectedFilter;
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QString fileName = QFileDialog::getOpenFileName(this,
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tr("QFileDialog::getOpenFileName()"),
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openFileNameLabel->text(),
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tr("All Files (*);;Text Files (*.txt)"),
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&selectedFilter,
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options);
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if (!fileName.isEmpty())
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openFileNameLabel->setText(fileName);
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}
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void Dialog::setOpenFileNames()
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{
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const QFileDialog::Options options = QFlag(fileDialogOptionsWidget->value());
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QString selectedFilter;
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QStringList files = QFileDialog::getOpenFileNames(
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this, tr("QFileDialog::getOpenFileNames()"),
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openFilesPath,
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tr("All Files (*);;Text Files (*.txt)"),
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&selectedFilter,
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options);
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if (files.count()) {
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openFilesPath = files[0];
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openFileNamesLabel->setText(QString("[%1]").arg(files.join(", ")));
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}
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}
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void Dialog::setSaveFileName()
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{
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const QFileDialog::Options options = QFlag(fileDialogOptionsWidget->value());
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QString selectedFilter;
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QString fileName = QFileDialog::getSaveFileName(this,
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tr("QFileDialog::getSaveFileName()"),
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saveFileNameLabel->text(),
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tr("All Files (*);;Text Files (*.txt)"),
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&selectedFilter,
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options);
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if (!fileName.isEmpty())
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saveFileNameLabel->setText(fileName);
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}
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void Dialog::criticalMessage()
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{
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QMessageBox::StandardButton reply;
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reply = QMessageBox::critical(this, tr("QMessageBox::critical()"),
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MESSAGE,
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QMessageBox::Abort | QMessageBox::Retry | QMessageBox::Ignore);
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if (reply == QMessageBox::Abort)
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criticalLabel->setText(tr("Abort"));
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else if (reply == QMessageBox::Retry)
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criticalLabel->setText(tr("Retry"));
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else
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criticalLabel->setText(tr("Ignore"));
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}
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void Dialog::informationMessage()
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{
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QMessageBox::StandardButton reply;
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reply = QMessageBox::information(this, tr("QMessageBox::information()"), MESSAGE);
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if (reply == QMessageBox::Ok)
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informationLabel->setText(tr("OK"));
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else
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informationLabel->setText(tr("Escape"));
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}
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void Dialog::questionMessage()
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{
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QMessageBox::StandardButton reply;
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reply = QMessageBox::question(this, tr("QMessageBox::question()"),
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MESSAGE,
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QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
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if (reply == QMessageBox::Yes)
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questionLabel->setText(tr("Yes"));
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else if (reply == QMessageBox::No)
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questionLabel->setText(tr("No"));
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else
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questionLabel->setText(tr("Cancel"));
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}
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void Dialog::warningMessage()
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{
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QMessageBox msgBox(QMessageBox::Warning, tr("QMessageBox::warning()"),
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MESSAGE, 0, this);
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msgBox.addButton(tr("Save &Again"), QMessageBox::AcceptRole);
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msgBox.addButton(tr("&Continue"), QMessageBox::RejectRole);
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if (msgBox.exec() == QMessageBox::AcceptRole)
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warningLabel->setText(tr("Save Again"));
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else
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warningLabel->setText(tr("Continue"));
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}
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void Dialog::errorMessage()
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{
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errorMessageDialog->showMessage(
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tr("This dialog shows and remembers error messages. "
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"If the checkbox is checked (as it is by default), "
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"the shown message will be shown again, "
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"but if the user unchecks the box the message "
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"will not appear again if QErrorMessage::showMessage() "
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"is called with the same message."));
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errorLabel->setText(tr("If the box is unchecked, the message "
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"won't appear again."));
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}
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