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

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#include <QtGui>

#include "norwegianwoodstyle.h"

#include "widgetgallery.h"

//! [0]

WidgetGallery::WidgetGallery(QWidget *parent)

    : QDialog(parent)

{

    originalPalette = QApplication::palette();

    styleComboBox = new QComboBox;

    styleComboBox->addItem("NorwegianWood");

    styleComboBox->addItems(QStyleFactory::keys());

    styleLabel = new QLabel(tr("&Style:"));

    styleLabel->setBuddy(styleComboBox);

    useStylePaletteCheckBox = new QCheckBox(tr("&Use style's standard palette"));

    useStylePaletteCheckBox->setChecked(true);

    disableWidgetsCheckBox = new QCheckBox(tr("&Disable widgets"));

    createTopLeftGroupBox();

    createTopRightGroupBox();

    createBottomLeftTabWidget();

    createBottomRightGroupBox();

    createProgressBar();

//! [0]

//! [1]

    connect(styleComboBox, SIGNAL(activated(QString)),

//! [1] //! [2]

            this, SLOT(changeStyle(QString)));

    connect(useStylePaletteCheckBox, SIGNAL(toggled(bool)),

            this, SLOT(changePalette()));

    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),

            topLeftGroupBox, SLOT(setDisabled(bool)));

    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),

            topRightGroupBox, SLOT(setDisabled(bool)));

    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),

            bottomLeftTabWidget, SLOT(setDisabled(bool)));

    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),

            bottomRightGroupBox, SLOT(setDisabled(bool)));

//! [2]

//! [3]

    QHBoxLayout *topLayout = new QHBoxLayout;

//! [3] //! [4]

    topLayout->addWidget(styleLabel);

    topLayout->addWidget(styleComboBox);

    topLayout->addStretch(1);

    topLayout->addWidget(useStylePaletteCheckBox);

    topLayout->addWidget(disableWidgetsCheckBox);

    QGridLayout *mainLayout = new QGridLayout;

    mainLayout->addLayout(topLayout, 0, 0, 1, 2);

    mainLayout->addWidget(topLeftGroupBox, 1, 0);

    mainLayout->addWidget(topRightGroupBox, 1, 1);

    mainLayout->addWidget(bottomLeftTabWidget, 2, 0);

    mainLayout->addWidget(bottomRightGroupBox, 2, 1);

    mainLayout->addWidget(progressBar, 3, 0, 1, 2);

    mainLayout->setRowStretch(1, 1);

    mainLayout->setRowStretch(2, 1);

    mainLayout->setColumnStretch(0, 1);

    mainLayout->setColumnStretch(1, 1);

    setLayout(mainLayout);

    setWindowTitle(tr("Styles"));

    changeStyle("NorwegianWood");

}

//! [4]

//! [5]

void WidgetGallery::changeStyle(const QString &styleName)

//! [5] //! [6]

{

    if (styleName == "NorwegianWood") {

        QApplication::setStyle(new NorwegianWoodStyle);

    } else {

        QApplication::setStyle(QStyleFactory::create(styleName));

    }

    changePalette();

}

//! [6]

//! [7]

void WidgetGallery::changePalette()

//! [7] //! [8]

{

    if (useStylePaletteCheckBox->isChecked())

        QApplication::setPalette(QApplication::style()->standardPalette());

    else

        QApplication::setPalette(originalPalette);

}

//! [8]

//! [9]

void WidgetGallery::advanceProgressBar()

//! [9] //! [10]

{

    int curVal = progressBar->value();

    int maxVal = progressBar->maximum();

    progressBar->setValue(curVal + (maxVal - curVal) / 100);

}

//! [10]

//! [11]

void WidgetGallery::createTopLeftGroupBox()

//! [11] //! [12]

{

    topLeftGroupBox = new QGroupBox(tr("Group 1"));

    radioButton1 = new QRadioButton(tr("Radio button 1"));

    radioButton2 = new QRadioButton(tr("Radio button 2"));

    radioButton3 = new QRadioButton(tr("Radio button 3"));

    radioButton1->setChecked(true);

    checkBox = new QCheckBox(tr("Tri-state check box"));

    checkBox->setTristate(true);

    checkBox->setCheckState(Qt::PartiallyChecked);

    QVBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(radioButton1);

    layout->addWidget(radioButton2);

    layout->addWidget(radioButton3);

    layout->addWidget(checkBox);

    layout->addStretch(1);

    topLeftGroupBox->setLayout(layout);

}

//! [12]

void WidgetGallery::createTopRightGroupBox()

{

    topRightGroupBox = new QGroupBox(tr("Group 2"));

    defaultPushButton = new QPushButton(tr("Default Push Button"));

    defaultPushButton->setDefault(true);

    togglePushButton = new QPushButton(tr("Toggle Push Button"));

    togglePushButton->setCheckable(true);

    togglePushButton->setChecked(true);

    flatPushButton = new QPushButton(tr("Flat Push Button"));

    flatPushButton->setFlat(true);

    QVBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(defaultPushButton);

    layout->addWidget(togglePushButton);

    layout->addWidget(flatPushButton);

    layout->addStretch(1);

    topRightGroupBox->setLayout(layout);

}

void WidgetGallery::createBottomLeftTabWidget()

{

    bottomLeftTabWidget = new QTabWidget;

    bottomLeftTabWidget->setSizePolicy(QSizePolicy::Preferred,

                                       QSizePolicy::Ignored);

    QWidget *tab1 = new QWidget;

    tableWidget = new QTableWidget(10, 10);

    QHBoxLayout *tab1hbox = new QHBoxLayout;

    tab1hbox->setMargin(5);

    tab1hbox->addWidget(tableWidget);

    tab1->setLayout(tab1hbox);

    QWidget *tab2 = new QWidget;

    textEdit = new QTextEdit;

    textEdit->setPlainText(tr("Twinkle, twinkle, little star,\n"

                              "How I wonder what you are.\n"

                              "Up above the world so high,\n"

                              "Like a diamond in the sky.\n"

                              "Twinkle, twinkle, little star,\n"

                              "How I wonder what you are!\n"));

    QHBoxLayout *tab2hbox = new QHBoxLayout;

    tab2hbox->setMargin(5);

    tab2hbox->addWidget(textEdit);

    tab2->setLayout(tab2hbox);

    bottomLeftTabWidget->addTab(tab1, tr("&Table"));

    bottomLeftTabWidget->addTab(tab2, tr("Text &Edit"));

}

void WidgetGallery::createBottomRightGroupBox()

{

    bottomRightGroupBox = new QGroupBox(tr("Group 3"));

    bottomRightGroupBox->setCheckable(true);

    bottomRightGroupBox->setChecked(true);

    lineEdit = new QLineEdit("s3cRe7");

    lineEdit->setEchoMode(QLineEdit::Password);

    spinBox = new QSpinBox(bottomRightGroupBox);

    spinBox->setValue(50);

    dateTimeEdit = new QDateTimeEdit(bottomRightGroupBox);

    dateTimeEdit->setDateTime(QDateTime::currentDateTime());

    slider = new QSlider(Qt::Horizontal, bottomRightGroupBox);

    slider->setValue(40);

    scrollBar = new QScrollBar(Qt::Horizontal, bottomRightGroupBox);

    scrollBar->setValue(60);

    dial = new QDial(bottomRightGroupBox);

    dial->setValue(30);

    dial->setNotchesVisible(true);

    QGridLayout *layout = new QGridLayout;

    layout->addWidget(lineEdit, 0, 0, 1, 2);

    layout->addWidget(spinBox, 1, 0, 1, 2);

    layout->addWidget(dateTimeEdit, 2, 0, 1, 2);

    layout->addWidget(slider, 3, 0);

    layout->addWidget(scrollBar, 4, 0);

    layout->addWidget(dial, 3, 1, 2, 1);

    layout->setRowStretch(5, 1);

    bottomRightGroupBox->setLayout(layout);

}

//! [13]

void WidgetGallery::createProgressBar()

{

    progressBar = new QProgressBar;

    progressBar->setRange(0, 10000);

    progressBar->setValue(0);

    QTimer *timer = new QTimer(this);

    connect(timer, SIGNAL(timeout()), this, SLOT(advanceProgressBar()));

    timer->start(1000);

}

//! [13]