widgetgallery.cpp Example File
widgets/styles/widgetgallery.cpp
/****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
#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);
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");
}
void WidgetGallery::changeStyle(const QString &styleName)
{
if (styleName == "NorwegianWood") {
QApplication::setStyle(new NorwegianWoodStyle);
} else {
QApplication::setStyle(QStyleFactory::create(styleName));
}
changePalette();
}
void WidgetGallery::changePalette()
{
if (useStylePaletteCheckBox->isChecked())
QApplication::setPalette(QApplication::style()->standardPalette());
else
QApplication::setPalette(originalPalette);
}
void WidgetGallery::advanceProgressBar()
{
int curVal = progressBar->value();
int maxVal = progressBar->maximum();
progressBar->setValue(curVal + (maxVal - curVal) / 100);
}
void WidgetGallery::createTopLeftGroupBox()
{
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);
}
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);
}
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);
}
