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#include "macmainwindow.h"

#import <Cocoa/Cocoa.h>

#include <QtGui>

#ifdef Q_WS_MAC

#include <Carbon/Carbon.h>

#ifdef QT_MAC_USE_COCOA

//![0]

SearchWidget::SearchWidget(QWidget *parent)

    : QMacCocoaViewContainer(0, parent)

{

    // Many Cocoa objects create temporary autorelease objects,

    // so create a pool to catch them.

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    // Create the NSSearchField, set it on the QCocoaViewContainer.

    NSSearchField *search = [[NSSearchField alloc] init];

    setCocoaView(search);

    // Use a Qt menu for the search field menu.

    QMenu *qtMenu = createMenu(this);

    NSMenu *nsMenu = qtMenu->macMenu(0);

    [[search cell] setSearchMenuTemplate:nsMenu];

    // Release our reference, since our super class takes ownership and we

    // don't need it anymore.

    [search release];

    // Clean up our pool as we no longer need it.

    [pool release];

}

//![0]

SearchWidget::~SearchWidget()

{

}

QSize SearchWidget::sizeHint() const

{

    return QSize(150, 40);

}

#else

// The SearchWidget class wraps a native HISearchField.

SearchWidget::SearchWidget(QWidget *parent)

    :QWidget(parent)

{

    // Create a native search field and pass its window id to QWidget::create.

    searchFieldText = CFStringCreateWithCString(0, "search", 0);

    HISearchFieldCreate(NULL/*bounds*/, kHISearchFieldAttributesSearchIcon | kHISearchFieldAttributesCancel,

                        NULL/*menu ref*/, searchFieldText, &searchField);

    create(reinterpret_cast<WId>(searchField));

    // Use a Qt menu for the search field menu.

    QMenu *searchMenu = createMenu(this);

    MenuRef menuRef = searchMenu->macMenu(0);

    HISearchFieldSetSearchMenu(searchField, menuRef);

    setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));

}

SearchWidget::~SearchWidget()

{

    CFRelease(searchField);

    CFRelease(searchFieldText);

}

// Get the size hint from the search field.

QSize SearchWidget::sizeHint() const

{

    EventRef event;

    HIRect optimalBounds;

    CreateEvent(0, kEventClassControl,

        kEventControlGetOptimalBounds,

        GetCurrentEventTime(),

        kEventAttributeUserEvent, &event);

    SendEventToEventTargetWithOptions(event,

        HIObjectGetEventTarget(HIObjectRef(winId())),

        kEventTargetDontPropagate);

    GetEventParameter(event,

        kEventParamControlOptimalBounds, typeHIRect,

        0, sizeof(HIRect), 0, &optimalBounds);

    ReleaseEvent(event);

    return QSize(optimalBounds.size.width + 100, // make it a bit wider.

                 optimalBounds.size.height);

}

#endif

QMenu *createMenu(QWidget *parent)

{

    QMenu *searchMenu = new QMenu(parent);

    QAction * indexAction = searchMenu->addAction("Index Search");

    indexAction->setCheckable(true);

    indexAction->setChecked(true);

    QAction * fulltextAction = searchMenu->addAction("Full Text Search");

    fulltextAction->setCheckable(true);

    QActionGroup *searchActionGroup = new QActionGroup(parent);

    searchActionGroup->addAction(indexAction);

    searchActionGroup->addAction(fulltextAction);

    searchActionGroup->setExclusive(true);

    return searchMenu;

}

SearchWrapper::SearchWrapper(QWidget *parent)

:QWidget(parent)

{

    s = new SearchWidget(this);

    s->move(2,2);

    setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));

}

QSize SearchWrapper::sizeHint() const

{

    return s->sizeHint() + QSize(6, 2);

}

Spacer::Spacer(QWidget *parent)

:QWidget(parent)

{

    QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    setSizePolicy(sizePolicy);

}

QSize Spacer::sizeHint() const

{

    return QSize(1, 1);

}

MacSplitterHandle::MacSplitterHandle(Qt::Orientation orientation, QSplitter *parent)

: QSplitterHandle(orientation, parent) {   }

// Paint the horizontal handle as a gradient, paint

// the vertical handle as a line.

void MacSplitterHandle::paintEvent(QPaintEvent *)

{

    QPainter painter(this);

    QColor topColor(145, 145, 145);

    QColor bottomColor(142, 142, 142);

    QColor gradientStart(252, 252, 252);

    QColor gradientStop(223, 223, 223);

    if (orientation() == Qt::Vertical) {

        painter.setPen(topColor);

        painter.drawLine(0, 0, width(), 0);

        painter.setPen(bottomColor);

        painter.drawLine(0, height() - 1, width(), height() - 1);

        QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, height() -3));

        linearGrad.setColorAt(0, gradientStart);

        linearGrad.setColorAt(1, gradientStop);

        painter.fillRect(QRect(QPoint(0,1), size() - QSize(0, 2)), QBrush(linearGrad));

    } else {

        painter.setPen(topColor);

        painter.drawLine(0, 0, 0, height());

    }

}

QSize MacSplitterHandle::sizeHint() const

{

    QSize parent = QSplitterHandle::sizeHint();

    if (orientation() == Qt::Vertical) {

        return parent + QSize(0, 3);

    } else {

        return QSize(1, parent.height());

    }

}

QSplitterHandle *MacSplitter::createHandle()

{

    return new MacSplitterHandle(orientation(), this);

}

MacMainWindow::MacMainWindow()

{

    QSettings settings;

    restoreGeometry(settings.value("Geometry").toByteArray());

    setWindowTitle("Mac Main Window");

    splitter = new MacSplitter();

    // Set up the left-hand side blue side bar.

    sidebar = new QTreeView();

    sidebar->setFrameStyle(QFrame::NoFrame);

    sidebar->setAttribute(Qt::WA_MacShowFocusRect, false);

    sidebar->setAutoFillBackground(true);

    // Set the palette.

    QPalette palette = sidebar->palette();

    QColor macSidebarColor(231, 237, 246);

    QColor macSidebarHighlightColor(168, 183, 205);

    palette.setColor(QPalette::Base, macSidebarColor);

    palette.setColor(QPalette::Highlight, macSidebarHighlightColor);

    sidebar->setPalette(palette);

    sidebar->setModel(createItemModel());

    sidebar->header()->hide();

    sidebar->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    sidebar->setTextElideMode(Qt::ElideMiddle);

    splitter->addWidget(sidebar);

    horizontalSplitter = new MacSplitter();

    horizontalSplitter->setOrientation(Qt::Vertical);

    splitter->addWidget(horizontalSplitter);

    splitter->setStretchFactor(0, 0);

    splitter->setStretchFactor(1, 1);

    // Set up the top document list view.

    documents = new QListView();

    documents->setFrameStyle(QFrame::NoFrame);

    documents->setAttribute(Qt::WA_MacShowFocusRect, false);

    documents->setModel(createDocumentModel());

    documents->setAlternatingRowColors(true);

    documents->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);

    horizontalSplitter->addWidget(documents);

    horizontalSplitter->setStretchFactor(0, 0);

    // Set up the text view.

    textedit = new QTextEdit();

    textedit->setFrameStyle(QFrame::NoFrame);

    textedit->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);

    textedit->setText("<br><br><br><br><br><br><center><b>This demo shows how to create a \

                       Qt main window application that has the same appearance as other \

                       Mac OS X applications such as Mail or iTunes. This includes \

                       customizing the item views and QSplitter and wrapping native widgets \

                       such as the search field.</b></center>");

    horizontalSplitter->addWidget(textedit);

    setCentralWidget(splitter);

    toolBar = addToolBar(tr("Search"));

    toolBar->addWidget(new Spacer());

    toolBar->addWidget(new SearchWrapper());

    setUnifiedTitleAndToolBarOnMac(true);

}

MacMainWindow::~MacMainWindow()

{

    QSettings settings;

    settings.setValue("Geometry", saveGeometry());

}

QAbstractItemModel *MacMainWindow::createItemModel()

{

    QStandardItemModel *model = new QStandardItemModel();

    QStandardItem *parentItem = model->invisibleRootItem();

    QStandardItem *documentationItem = new QStandardItem("Documentation"); 

    parentItem->appendRow(documentationItem);

    QStandardItem *assistantItem = new QStandardItem("Qt MainWindow Manual"); 

    documentationItem->appendRow(assistantItem);

    QStandardItem *designerItem = new QStandardItem("Qt Designer Manual"); 

    documentationItem->appendRow(designerItem);

    QStandardItem *qtItem = new QStandardItem("Qt Reference Documentation"); 

    qtItem->appendRow(new QStandardItem("Classes"));

    qtItem->appendRow(new QStandardItem("Overviews"));

    qtItem->appendRow(new QStandardItem("Tutorial & Examples"));

    documentationItem->appendRow(qtItem);

    QStandardItem *bookmarksItem = new QStandardItem("Bookmarks"); 

    parentItem->appendRow(bookmarksItem);

    bookmarksItem->appendRow(new QStandardItem("QWidget"));

    bookmarksItem->appendRow(new QStandardItem("QObject"));

    bookmarksItem->appendRow(new QStandardItem("QWizard"));

    return model;

}

void MacMainWindow::resizeEvent(QResizeEvent *)

{

    if (toolBar)

        toolBar->updateGeometry();

}

QAbstractItemModel *MacMainWindow::createDocumentModel()

{

    QStandardItemModel *model = new QStandardItemModel();

    QStandardItem *parentItem = model->invisibleRootItem(); 

    parentItem->appendRow(new QStandardItem("QWidget Class Reference"));

    parentItem->appendRow(new QStandardItem("QObject Class Reference"));

    parentItem->appendRow(new QStandardItem("QListView Class Reference"));

    return model;

}

#endif // Q_WS_MAC