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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">widgetgallery.cpp Example File<br /><small><small>widgets/styles/widgetgallery.cpp</small></small></h1>

<pre>  /****************************************************************************

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

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

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** See http://www.trolltech.com/gpl/ for GPL licensing information.

** Contact info@trolltech.com if any conditions of this licensing are

** not clear to you.

** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

****************************************************************************/

#include <QtGui>

#include "norwegianwoodstyle.h"

#include "widgetgallery.h"

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();

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

this, SLOT(changeStyle(const 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)));

QHBoxLayout *topLayout = new QHBoxLayout;

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);

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

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

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

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mainLayout->setRowStretch(1, 1);

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mainLayout->setRowStretch(2, 1);

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mainLayout->setColumnStretch(0, 1);

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mainLayout->setColumnStretch(1, 1);

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setLayout(mainLayout);

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setWindowTitle(tr("Styles"));

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changeStyle("NorwegianWood");

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}

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void WidgetGallery::changeStyle(const QString &styleName)

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{

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if (styleName == "NorwegianWood") {

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QApplication::setStyle(new NorwegianWoodStyle);

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} else {

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

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}

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changePalette();

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}

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void WidgetGallery::changePalette()

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{

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if (useStylePaletteCheckBox->isChecked())

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

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else

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QApplication::setPalette(originalPalette);

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}

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void WidgetGallery::advanceProgressBar()

132

{

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int curVal = progressBar->value();

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int maxVal = progressBar->maximum();

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

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}

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void WidgetGallery::createTopLeftGroupBox()

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{

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

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

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

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

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radioButton1->setChecked(true);

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

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checkBox->setTristate(true);

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checkBox->setCheckState(Qt::PartiallyChecked);

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QVBoxLayout *layout = new QVBoxLayout;

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layout->addWidget(radioButton1);

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layout->addWidget(radioButton2);

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layout->addWidget(radioButton3);

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layout->addWidget(checkBox);

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layout->addStretch(1);

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topLeftGroupBox->setLayout(layout);

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}

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void WidgetGallery::createTopRightGroupBox()

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{

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

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

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defaultPushButton->setDefault(true);

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

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togglePushButton->setCheckable(true);

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togglePushButton->setChecked(true);

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

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flatPushButton->setFlat(true);

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QVBoxLayout *layout = new QVBoxLayout;

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layout->addWidget(defaultPushButton);

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layout->addWidget(togglePushButton);

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layout->addWidget(flatPushButton);

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layout->addStretch(1);

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topRightGroupBox->setLayout(layout);

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}

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void WidgetGallery::createBottomLeftTabWidget()

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{

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bottomLeftTabWidget = new QTabWidget;

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bottomLeftTabWidget->setSizePolicy(QSizePolicy::Preferred,

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QSizePolicy::Ignored);

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QWidget *tab1 = new QWidget;

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tableWidget = new QTableWidget(10, 10);

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QHBoxLayout *tab1hbox = new QHBoxLayout;

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tab1hbox->setMargin(5);

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tab1hbox->addWidget(tableWidget);

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tab1->setLayout(tab1hbox);

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QWidget *tab2 = new QWidget;

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textEdit = new QTextEdit;

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textEdit->setPlainText(tr("Au clair de la lune,\n"

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"Mon ami Pierrot,\n"

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"Pr�te moi ta plume\n"

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"Pour �crire un mot.\n"

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"Ma chandelle est morte,\n"

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"Je n'ai plus de feu.\n"

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"Ouvre moi ta porte,\n"

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"Pour l'amour de Dieu.\n"));

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QHBoxLayout *tab2hbox = new QHBoxLayout;

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tab2hbox->setMargin(5);

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tab2hbox->addWidget(textEdit);

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tab2->setLayout(tab2hbox);

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

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

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}

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void WidgetGallery::createBottomRightGroupBox()

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{

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

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bottomRightGroupBox->setCheckable(true);

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bottomRightGroupBox->setChecked(true);

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lineEdit = new QLineEdit("s3cRe7");

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lineEdit->setEchoMode(QLineEdit::Password);

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spinBox = new QSpinBox(bottomRightGroupBox);

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spinBox->setValue(50);

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dateTimeEdit = new QDateTimeEdit(bottomRightGroupBox);

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

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

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slider->setValue(40);

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

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scrollBar->setValue(60);

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dial = new QDial(bottomRightGroupBox);

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dial->setValue(30);

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dial->setNotchesVisible(true);

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QGridLayout *layout = new QGridLayout;

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

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

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

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

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

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

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layout->setRowStretch(5, 1);

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bottomRightGroupBox->setLayout(layout);

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}

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void WidgetGallery::createProgressBar()

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{

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progressBar = new QProgressBar;

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progressBar->setRange(0, 10000);

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progressBar->setValue(0);

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QTimer *timer = new QTimer(this);

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

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timer->start(1000);

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}</pre>

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