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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "norwegianwoodstyle.h"

    45 #include "widgetgallery.h"

    46 

    47 //! [0]

    48 WidgetGallery::WidgetGallery(QWidget *parent)

    49     : QDialog(parent)

    50 {

    51     originalPalette = QApplication::palette();

    52 

    53     styleComboBox = new QComboBox;

    54     styleComboBox->addItem("NorwegianWood");

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

    56 

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

    58     styleLabel->setBuddy(styleComboBox);

    59 

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

    61     useStylePaletteCheckBox->setChecked(true);

    62 

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

    64 

    65     createTopLeftGroupBox();

    66     createTopRightGroupBox();

    67     createBottomLeftTabWidget();

    68     createBottomRightGroupBox();

    69     createProgressBar();

    70 //! [0]

    71 

    72 //! [1]

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

    74 //! [1] //! [2]

    75             this, SLOT(changeStyle(const QString &)));

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

    77             this, SLOT(changePalette()));

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

    79             topLeftGroupBox, SLOT(setDisabled(bool)));

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

    81             topRightGroupBox, SLOT(setDisabled(bool)));

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

    83             bottomLeftTabWidget, SLOT(setDisabled(bool)));

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

    85             bottomRightGroupBox, SLOT(setDisabled(bool)));

    86 //! [2]

    87 

    88 //! [3]

    89     QHBoxLayout *topLayout = new QHBoxLayout;

    90 //! [3] //! [4]

    91     topLayout->addWidget(styleLabel);

    92     topLayout->addWidget(styleComboBox);

    93     topLayout->addStretch(1);

    94     topLayout->addWidget(useStylePaletteCheckBox);

    95     topLayout->addWidget(disableWidgetsCheckBox);

    96 

    97     QGridLayout *mainLayout = new QGridLayout;

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

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

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

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

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

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

   104     mainLayout->setRowStretch(1, 1);

   105     mainLayout->setRowStretch(2, 1);

   106     mainLayout->setColumnStretch(0, 1);

   107     mainLayout->setColumnStretch(1, 1);

   108     setLayout(mainLayout);

   109 

   110     setWindowTitle(tr("Styles"));

   111     changeStyle("NorwegianWood");

   112 }

   113 //! [4]

   114 

   115 //! [5]

   116 void WidgetGallery::changeStyle(const QString &styleName)

   117 //! [5] //! [6]

   118 {

   119     if (styleName == "NorwegianWood") {

   120         QApplication::setStyle(new NorwegianWoodStyle);

   121     } else {

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

   123     }

   124     changePalette();

   125 }

   126 //! [6]

   127 

   128 //! [7]

   129 void WidgetGallery::changePalette()

   130 //! [7] //! [8]

   131 {

   132     if (useStylePaletteCheckBox->isChecked())

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

   134     else

   135         QApplication::setPalette(originalPalette);

   136 }

   137 //! [8]

   138 

   139 //! [9]

   140 void WidgetGallery::advanceProgressBar()

   141 //! [9] //! [10]

   142 {

   143     int curVal = progressBar->value();

   144     int maxVal = progressBar->maximum();

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

   146 }

   147 //! [10]

   148 

   149 //! [11]

   150 void WidgetGallery::createTopLeftGroupBox()

   151 //! [11] //! [12]

   152 {

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

   154 

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

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

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

   158     radioButton1->setChecked(true);

   159 

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

   161     checkBox->setTristate(true);

   162     checkBox->setCheckState(Qt::PartiallyChecked);

   163 

   164     QVBoxLayout *layout = new QVBoxLayout;

   165     layout->addWidget(radioButton1);

   166     layout->addWidget(radioButton2);

   167     layout->addWidget(radioButton3);

   168     layout->addWidget(checkBox);

   169     layout->addStretch(1);

   170     topLeftGroupBox->setLayout(layout);

   171 }

   172 //! [12]

   173 

   174 void WidgetGallery::createTopRightGroupBox()

   175 {

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

   177 

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

   179     defaultPushButton->setDefault(true);

   180 

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

   182     togglePushButton->setCheckable(true);

   183     togglePushButton->setChecked(true);

   184 

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

   186     flatPushButton->setFlat(true);

   187 

   188     QVBoxLayout *layout = new QVBoxLayout;

   189     layout->addWidget(defaultPushButton);

   190     layout->addWidget(togglePushButton);

   191     layout->addWidget(flatPushButton);

   192     layout->addStretch(1);

   193     topRightGroupBox->setLayout(layout);

   194 }

   195 

   196 void WidgetGallery::createBottomLeftTabWidget()

   197 {

   198     bottomLeftTabWidget = new QTabWidget;

   199     bottomLeftTabWidget->setSizePolicy(QSizePolicy::Preferred,

   200                                        QSizePolicy::Ignored);

   201 

   202     QWidget *tab1 = new QWidget;

   203     tableWidget = new QTableWidget(10, 10);

   204 

   205     QHBoxLayout *tab1hbox = new QHBoxLayout;

   206     tab1hbox->setMargin(5);

   207     tab1hbox->addWidget(tableWidget);

   208     tab1->setLayout(tab1hbox);

   209 

   210     QWidget *tab2 = new QWidget;

   211     textEdit = new QTextEdit;

   212 

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

   214                               "How I wonder what you are.\n"

   215                               "Up above the world so high,\n"

   216                               "Like a diamond in the sky.\n"

   217                               "Twinkle, twinkle, little star,\n"

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

   219                      

   220     QHBoxLayout *tab2hbox = new QHBoxLayout;

   221     tab2hbox->setMargin(5);

   222     tab2hbox->addWidget(textEdit);

   223     tab2->setLayout(tab2hbox);

   224 

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

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

   227 }

   228 

   229 void WidgetGallery::createBottomRightGroupBox()

   230 {

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

   232     bottomRightGroupBox->setCheckable(true);

   233     bottomRightGroupBox->setChecked(true);

   234 

   235     lineEdit = new QLineEdit("s3cRe7");

   236     lineEdit->setEchoMode(QLineEdit::Password);

   237 

   238     spinBox = new QSpinBox(bottomRightGroupBox);

   239     spinBox->setValue(50);

   240 

   241     dateTimeEdit = new QDateTimeEdit(bottomRightGroupBox);

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

   243 

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

   245     slider->setValue(40);

   246 

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

   248     scrollBar->setValue(60);

   249 

   250     dial = new QDial(bottomRightGroupBox);

   251     dial->setValue(30);

   252     dial->setNotchesVisible(true);

   253 

   254     QGridLayout *layout = new QGridLayout;

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

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

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

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

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

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

   261     layout->setRowStretch(5, 1);

   262     bottomRightGroupBox->setLayout(layout);

   263 }

   264 

   265 //! [13]

   266 void WidgetGallery::createProgressBar()

   267 {

   268     progressBar = new QProgressBar;

   269     progressBar->setRange(0, 10000);

   270     progressBar->setValue(0);

   271 

   272     QTimer *timer = new QTimer(this);

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

   274     timer->start(1000);

   275 }

   276 //! [13]