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#include <private/qmainwindowlayout_p.h>

#include <qtoolbar.h>

#include <private/qtoolbarlayout_p.h>

#include <private/qt_cocoa_helpers_mac_p.h>

#ifndef QT_MAC_USE_COCOA

#include <Carbon/Carbon.h>

#else

#include <private/qcocoatoolbardelegate_mac_p.h>

#endif

QT_BEGIN_NAMESPACE

#ifdef QT_NAMESPACE

// namespace up the stuff

#define SS(x) #x

#define S0(x) SS(x)

#define S "com.trolltech.qt-" S0(QT_NAMESPACE) ".qmainwindow.qtoolbarInHIToolbar"

#define SToolbar "com.trolltech.qt-" S0(QT_NAMESPACE) ".hitoolbar-qtoolbar"

#define SNSToolbar "com.trolltech.qt-" S0(QT_NAMESPACE) ".qtoolbarInNSToolbar"

#define MacToolbar "com.trolltech.qt-" S0(QT_NAMESPACE) ".qmainwindow.mactoolbar"

#ifndef QT_MAC_USE_COCOA

static CFStringRef kQToolBarHIToolbarItemClassID = CFSTR(S);

static CFStringRef kQToolBarHIToolbarIdentifier = CFSTR(SToolbar);

#else

static NSString *kQToolBarNSToolbarIdentifier = @SNSToolbar;

#endif

static CFStringRef kQMainWindowMacToolbarID = CFSTR(MacToolbar);

#undef SS

#undef S0

#undef S

#undef SToolbar

#undef SNSToolbar

#undef MacToolbar

#else

#ifndef QT_MAC_USE_COCOA

static CFStringRef kQToolBarHIToolbarItemClassID = CFSTR("com.trolltech.qt.qmainwindow.qtoolbarInHIToolbar");

static CFStringRef kQToolBarHIToolbarIdentifier = CFSTR("com.trolltech.qt.hitoolbar-qtoolbar");

#else

static NSString *kQToolBarNSToolbarIdentifier = @"com.trolltech.qt.qmainwindow.qtoolbarInNSToolbar";

#endif

static CFStringRef kQMainWindowMacToolbarID = CFSTR("com.trolltech.qt.qmainwindow.mactoolbar");

#endif // QT_NAMESPACE

#ifndef QT_MAC_USE_COCOA

static const int kEventParamQToolBar = 'QTBR';

static const int kEventParamQMainWindowLayout = 'QMWL';

const EventTypeSpec qtoolbarEvents[] =

{

    { kEventClassHIObject, kEventHIObjectConstruct },

    { kEventClassHIObject, kEventHIObjectDestruct },

    { kEventClassHIObject, kEventHIObjectInitialize },

    { kEventClassToolbarItem, kEventToolbarItemCreateCustomView }

};

struct QToolBarInHIToolbarInfo

{

    QToolBarInHIToolbarInfo(HIToolbarItemRef item)

        : toolbarItem(item), mainWindowLayout(0)

    {}

    HIToolbarItemRef toolbarItem;

    QMainWindowLayout *mainWindowLayout;

};

OSStatus QMainWindowLayout::qtoolbarInHIToolbarHandler(EventHandlerCallRef inCallRef,

                                                       EventRef event, void *data)

{

    OSStatus result = eventNotHandledErr;

    QToolBarInHIToolbarInfo *object = static_cast<QToolBarInHIToolbarInfo *>(data);

    switch (GetEventClass(event)) {

        case kEventClassHIObject:

            switch (GetEventKind(event)) {

                case kEventHIObjectConstruct:

                {

                    HIObjectRef toolbarItem;

                    GetEventParameter(event, kEventParamHIObjectInstance, typeHIObjectRef,

                                      0, sizeof( HIObjectRef ), 0, &toolbarItem);

                    QToolBarInHIToolbarInfo *item = new QToolBarInHIToolbarInfo(toolbarItem);

                    SetEventParameter(event, kEventParamHIObjectInstance, typeVoidPtr,

                                      sizeof(void *), &item);

                    result = noErr;

                }

                    break;

                case kEventHIObjectInitialize:

                    result = CallNextEventHandler(inCallRef, event);

                    if (result == noErr) {

                        QToolBar *toolbar = 0;

                        QMainWindowLayout *layout = 0;

                        GetEventParameter(event, kEventParamQToolBar, typeVoidPtr,

                                          0, sizeof(void *), 0, &toolbar);

                        GetEventParameter(event, kEventParamQMainWindowLayout, typeVoidPtr,

                                          0, sizeof(void *), 0, &layout);

                        object->mainWindowLayout = layout;

                        object->mainWindowLayout->unifiedToolbarHash.insert(object->toolbarItem, toolbar);

                        HIToolbarItemChangeAttributes(object->toolbarItem,

                                                      kHIToolbarItemLabelDisabled, 0);

                    }

                    break;

                case kEventHIObjectDestruct:

                    delete object;

                    result = noErr;

                    break;

            }

            break;

        case kEventClassToolbarItem:

            switch (GetEventKind(event))

        {

            case kEventToolbarItemCreateCustomView:

            {

                QToolBar *toolbar

                = object->mainWindowLayout->unifiedToolbarHash.value(object->toolbarItem);

                if (toolbar) {

                    HIViewRef hiview = HIViewRef(toolbar->winId());

                    SetEventParameter(event, kEventParamControlRef, typeControlRef,

                                      sizeof(HIViewRef), &hiview);

                    result = noErr;

                }

            }

                break;

        }

            break;

    }

    return result;

}

void QMainWindowLayout::qtMacHIToolbarRegisterQToolBarInHIToolborItemClass()

{

    static bool registered = false;

    if (!registered) {

        HIObjectRegisterSubclass( kQToolBarHIToolbarItemClassID,

                                 kHIToolbarItemClassID, 0, QMainWindowLayout::qtoolbarInHIToolbarHandler,

                                 GetEventTypeCount(qtoolbarEvents), qtoolbarEvents, 0, 0 );

        registered = true;

    }

}

static void GetToolbarAllowedItems(CFMutableArrayRef array)

{

    CFArrayAppendValue(array, kQToolBarHIToolbarIdentifier);

}

HIToolbarItemRef QMainWindowLayout::createQToolBarInHIToolbarItem(QToolBar *toolbar,

                                                                  QMainWindowLayout *layout)

{

    QMainWindowLayout::qtMacHIToolbarRegisterQToolBarInHIToolborItemClass();

    EventRef event;

    HIToolbarItemRef result = 0;

    CFStringRef identifier = kQToolBarHIToolbarIdentifier;

    UInt32 options = kHIToolbarItemAllowDuplicates;

    CreateEvent(0, kEventClassHIObject, kEventHIObjectInitialize,

                GetCurrentEventTime(), 0, &event);

    SetEventParameter(event, kEventParamToolbarItemIdentifier, typeCFStringRef,

                      sizeof(CFStringRef), &identifier);

    SetEventParameter(event, kEventParamAttributes, typeUInt32, sizeof(UInt32), &options);

    SetEventParameter(event, kEventParamQToolBar, typeVoidPtr, sizeof(void *), &toolbar);

    SetEventParameter(event, kEventParamQMainWindowLayout, typeVoidPtr, sizeof(void *), &layout);

    HIObjectCreate(kQToolBarHIToolbarItemClassID, event,

                   static_cast<HIObjectRef *>(&result));

    ReleaseEvent(event);

    return result;

}

HIToolbarItemRef QMainWindowLayout::CreateToolbarItemForIdentifier(CFStringRef identifier,

                                                                   CFTypeRef data)

{

    HIToolbarItemRef item = 0;

    if (CFStringCompare(kQToolBarHIToolbarIdentifier, identifier,

                        kCFCompareBackwards) == kCFCompareEqualTo) {

        if (data && CFGetTypeID(data) == CFArrayGetTypeID()) {

            CFArrayRef array = static_cast<CFArrayRef>(data);

            QToolBar *toolbar = static_cast<QToolBar *>(const_cast<void *>(CFArrayGetValueAtIndex(array, 0)));

            QMainWindowLayout *layout = static_cast<QMainWindowLayout *>(const_cast<void *>(CFArrayGetValueAtIndex(array, 1)));

            item = createQToolBarInHIToolbarItem(toolbar, layout);

        }

    }

    return item;

}

static const EventTypeSpec kToolbarEvents[] = {

{ kEventClassToolbar, kEventToolbarGetDefaultIdentifiers },

{ kEventClassToolbar, kEventToolbarGetAllowedIdentifiers },

{ kEventClassToolbar, kEventToolbarCreateItemWithIdentifier },

{ kEventClassToolbar, kEventToolbarItemAdded },

{ kEventClassToolbar, kEventToolbarItemRemoved }

};

OSStatus QMainWindowLayout::qtmacToolbarDelegate(EventHandlerCallRef, EventRef event, void *data)

{

    QMainWindowLayout *mainWindowLayout = static_cast<QMainWindowLayout *>(data);

    OSStatus            result = eventNotHandledErr;

    CFMutableArrayRef   array;

    CFStringRef         identifier;

    switch (GetEventKind(event)) {

        case kEventToolbarGetDefaultIdentifiers:

        case kEventToolbarGetAllowedIdentifiers:

            GetEventParameter(event, kEventParamMutableArray, typeCFMutableArrayRef, 0,

                              sizeof(CFMutableArrayRef), 0, &array);

            GetToolbarAllowedItems(array);

            result = noErr;

            break;

        case kEventToolbarCreateItemWithIdentifier: {

            HIToolbarItemRef item;

            CFTypeRef data = 0;

            OSStatus err = GetEventParameter(event, kEventParamToolbarItemIdentifier, typeCFStringRef,

                                             0, sizeof(CFStringRef), 0, &identifier);

            err = GetEventParameter(event, kEventParamToolbarItemConfigData, typeCFTypeRef,

                                    0, sizeof(CFTypeRef), 0, &data);

            item = CreateToolbarItemForIdentifier(identifier, data);

            if (item) {

                result = SetEventParameter(event, kEventParamToolbarItem, typeHIToolbarItemRef,

                                           sizeof(HIToolbarItemRef), &item );

            }

            break;

        }

        case kEventToolbarItemAdded: {

            // Double check that our "view" of the toolbar is similar.

            HIToolbarItemRef item;

            CFIndex index;

            if (GetEventParameter(event, kEventParamToolbarItem, typeHIToolbarItemRef,

                                  0, sizeof(HIToolbarItemRef), 0, &item) == noErr

                && GetEventParameter(event, kEventParamIndex, typeCFIndex, 0,

                                     sizeof(CFIndex), 0, &index) == noErr) {

                CFRetain(item); // We will watch this until it's removed from the list (or bust).

                mainWindowLayout->toolbarItemsCopy.insert(index, item);

                QToolBar *toolbar = mainWindowLayout->unifiedToolbarHash.value(item);

                if (toolbar) {

                    int toolbarIndex = mainWindowLayout->qtoolbarsInUnifiedToolbarList.indexOf(toolbar);

                    if (index != toolbarIndex) {

                        // Dang, we must be out of sync, rebuild it from the "toolbarItemsCopy"

                        mainWindowLayout->qtoolbarsInUnifiedToolbarList.clear();

                        for (int i = 0; i < mainWindowLayout->toolbarItemsCopy.size(); ++i) {

                            // This will either append the correct toolbar or an

                            // null toolbar. This is fine because this list

                            // is really only kept to make sure that things are but in the right order.

                            mainWindowLayout->qtoolbarsInUnifiedToolbarList.append(

                                                                                   mainWindowLayout->unifiedToolbarHash.value(mainWindowLayout->

                                                                                                                              toolbarItemsCopy.at(i)));

                        }

                    }

                }

            }

            break;

        }

        case kEventToolbarItemRemoved: {

            HIToolbarItemRef item;

            if (GetEventParameter(event, kEventParamToolbarItem, typeHIToolbarItemRef,

                                  0, sizeof(HIToolbarItemRef), 0, &item) == noErr) {

                mainWindowLayout->unifiedToolbarHash.remove(item);

                for (int i = 0; i < mainWindowLayout->toolbarItemsCopy.size(); ++i) {

                    if (mainWindowLayout->toolbarItemsCopy.at(i) == item) {

                        // I know about it, so release it.

                        mainWindowLayout->toolbarItemsCopy.removeAt(i);

                        mainWindowLayout->qtoolbarsInUnifiedToolbarList.removeAt(i);

                        CFRelease(item);

                        break;

                    }

                }

            }

            break;

        }

    }

    return result;

}

#endif // ! QT_MAC_USE_COCOA

#ifndef kWindowUnifiedTitleAndToolbarAttribute

#define kWindowUnifiedTitleAndToolbarAttribute (1 << 7)

#endif

void QMainWindowLayout::updateHIToolBarStatus()

{

    bool useMacToolbar = layoutState.mainWindow->unifiedTitleAndToolBarOnMac();

#ifndef QT_MAC_USE_COCOA

    if (useMacToolbar) {

        ChangeWindowAttributes(qt_mac_window_for(layoutState.mainWindow),

                               kWindowUnifiedTitleAndToolbarAttribute, 0);

    } else {

        ChangeWindowAttributes(qt_mac_window_for(layoutState.mainWindow),

                               0, kWindowUnifiedTitleAndToolbarAttribute);

    }

#endif

    layoutState.mainWindow->setUpdatesEnabled(false);  // reduces a little bit of flicker, not all though

    if (!useMacToolbar) {

        macWindowToolbarShow(layoutState.mainWindow, false);

        // Move everything out of the HIToolbar into the main toolbar.

        while (!qtoolbarsInUnifiedToolbarList.isEmpty()) {

            // Should shrink the list by one every time.

            layoutState.mainWindow->addToolBar(Qt::TopToolBarArea, qtoolbarsInUnifiedToolbarList.first());

        }

        macWindowToolbarSet(qt_mac_window_for(layoutState.mainWindow), 0);

    } else {

        QList<QToolBar *> toolbars = layoutState.mainWindow->findChildren<QToolBar *>();

        for (int i = 0; i < toolbars.size(); ++i) {

            QToolBar *toolbar = toolbars.at(i);

            if (toolBarArea(toolbar) == Qt::TopToolBarArea) {

                removeWidget(toolbar);  // Do this here, because we are in an in-between state.

                layoutState.mainWindow->addToolBar(Qt::TopToolBarArea, toolbar);

            }

        }

        syncUnifiedToolbarVisibility();

    }

    layoutState.mainWindow->setUpdatesEnabled(true);

}

void QMainWindowLayout::insertIntoMacToolbar(QToolBar *before, QToolBar *toolbar)

{

    // This layering could go on to one more level, but I decided to stop here.

    // The HIToolbar and NSToolbar APIs are fairly similar as you will see.

    if (toolbar == 0)

        return;

    QToolBarLayout *toolbarLayout = static_cast<QToolBarLayout *>(toolbar->layout());

    toolbarSaveState.insert(toolbar, ToolBarSaveState(toolbar->isMovable(),

                                                      toolbar->maximumSize()));

    if (toolbarLayout->hasExpandFlag() == false)

        toolbar->setMaximumSize(toolbar->sizeHint());

    toolbar->setMovable(false);

    toolbarLayout->setUsePopupMenu(true);

    // Make the toolbar a child of the mainwindow to avoid creating a window.

    toolbar->setParent(layoutState.mainWindow);

    toolbar->createWinId();  // Now create the OSViewRef.

    layoutState.mainWindow->createWinId();

    OSWindowRef window = qt_mac_window_for(layoutState.mainWindow);

    int beforeIndex = qtoolbarsInUnifiedToolbarList.indexOf(before);

    if (beforeIndex == -1)

        beforeIndex = qtoolbarsInUnifiedToolbarList.size();

    int toolbarIndex = qtoolbarsInUnifiedToolbarList.indexOf(toolbar);

#ifndef QT_MAC_USE_COCOA

    HIToolbarRef macToolbar = NULL;

    if ((GetWindowToolbar(window, &macToolbar) == noErr) && !macToolbar) {

        HIToolbarCreate(kQMainWindowMacToolbarID,

                        kHIToolbarItemAllowDuplicates, &macToolbar);

        InstallEventHandler(HIObjectGetEventTarget(static_cast<HIToolbarRef>(macToolbar)),

                            QMainWindowLayout::qtmacToolbarDelegate, GetEventTypeCount(kToolbarEvents),

                            kToolbarEvents, this, 0);

        HIToolbarSetDisplaySize(macToolbar, kHIToolbarDisplaySizeNormal);

        HIToolbarSetDisplayMode(macToolbar, kHIToolbarDisplayModeIconOnly);

        macWindowToolbarSet(window, macToolbar);

        if (layoutState.mainWindow->isVisible())

            macWindowToolbarShow(layoutState.mainWindow, true);

        CFRelease(macToolbar);

    }

#else

    QMacCocoaAutoReleasePool pool;

    NSToolbar *macToolbar = [window toolbar];

    if (macToolbar == nil) {

        macToolbar = [[NSToolbar alloc] initWithIdentifier:(NSString *)kQMainWindowMacToolbarID];

        [macToolbar setDisplayMode:NSToolbarDisplayModeIconOnly];

        [macToolbar setSizeMode:NSToolbarSizeModeRegular];

        [macToolbar setDelegate:[[QCocoaToolBarDelegate alloc] initWithMainWindowLayout:this]];

        [window setToolbar:macToolbar];

        [macToolbar release];

    }

#endif

    if (toolbarIndex != -1) {

        qtoolbarsInUnifiedToolbarList.removeAt(toolbarIndex);

#ifndef QT_MAC_USE_COCOA

        HIToolbarRemoveItemAtIndex(macToolbar, toolbarIndex);

#else

        [macToolbar removeItemAtIndex:toolbarIndex];

#endif

    }

    qtoolbarsInUnifiedToolbarList.insert(beforeIndex, toolbar);

#ifndef QT_MAC_USE_COCOA

    QCFType<HIToolbarItemRef> outItem;

    const QObject *stupidArray[] = { toolbar, this };

    QCFType<CFArrayRef> array = CFArrayCreate(0, reinterpret_cast<const void **>(&stupidArray),

                                              2, 0);

    HIToolbarCreateItemWithIdentifier(macToolbar, kQToolBarHIToolbarIdentifier,

                                      array, &outItem);

    HIToolbarInsertItemAtIndex(macToolbar, outItem, beforeIndex);

#else

    NSString *toolbarID = kQToolBarNSToolbarIdentifier;

    toolbarID = [toolbarID stringByAppendingFormat:@"%p", toolbar];

    cocoaItemIDToToolbarHash.insert(qt_mac_NSStringToQString(toolbarID), toolbar);

    [macToolbar insertItemWithItemIdentifier:toolbarID atIndex:beforeIndex];

#endif

}

void QMainWindowLayout::removeFromMacToolbar(QToolBar *toolbar)

{

    QHash<void *, QToolBar *>::iterator it = unifiedToolbarHash.begin();

    while (it != unifiedToolbarHash.end()) {

        if (it.value() == toolbar) {

            // Rescue our HIView and set it on the mainWindow again.

            bool saveVisible = !toolbar->isHidden();

            toolbar->setParent(0);

            toolbar->setParent(parentWidget());

            toolbar->setVisible(saveVisible);

            ToolBarSaveState saveState = toolbarSaveState.value(toolbar);

            static_cast<QToolBarLayout *>(toolbar->layout())->setUsePopupMenu(false);

            toolbar->setMovable(saveState.movable);

            toolbar->setMaximumSize(saveState.maximumSize);

            toolbarSaveState.remove(toolbar);

#ifndef QT_MAC_USE_COCOA

            HIToolbarItemRef item = static_cast<HIToolbarItemRef>(it.key());

            HIToolbarRemoveItemAtIndex(HIToolbarItemGetToolbar(item),

                                       toolbarItemsCopy.indexOf(item));

#else

            NSToolbarItem *item = static_cast<NSToolbarItem *>(it.key());

            [[qt_mac_window_for(layoutState.mainWindow->window()) toolbar]

                removeItemAtIndex:toolbarItemsCopy.indexOf(item)];

#endif

            break;

        }

        ++it;

    }

}

void QMainWindowLayout::cleanUpMacToolbarItems()

{

    for (int i = 0; i < toolbarItemsCopy.size(); ++i)

        CFRelease(toolbarItemsCopy.at(i));

    toolbarItemsCopy.clear();

    unifiedToolbarHash.clear();

}

void QMainWindowLayout::fixSizeInUnifiedToolbar(QToolBar *tb) const

{

#ifdef QT_MAC_USE_COCOA

    QHash<void *, QToolBar *>::const_iterator it = unifiedToolbarHash.constBegin();

    NSToolbarItem *item = nil;

    while (it != unifiedToolbarHash.constEnd()) {

        if (tb == it.value()) {

            item = static_cast<NSToolbarItem *>(it.key());

            break;

        }

        ++it;

    }

    if (item) {

        QMacCocoaAutoReleasePool pool;

        QWidgetItem layoutItem(tb);

        QSize size = layoutItem.maximumSize();

        NSSize nssize = NSMakeSize(size.width(), size.height() - 2);

        [item setMaxSize:nssize];

        size = layoutItem.minimumSize();

        nssize.width = size.width();

        nssize.height = size.height() - 2;

        [item setMinSize:nssize];

    }

#else

    Q_UNUSED(tb);

#endif

}

void QMainWindowLayout::syncUnifiedToolbarVisibility()

{

    if (blockVisiblityCheck)

        return;

    Q_ASSERT(layoutState.mainWindow->unifiedTitleAndToolBarOnMac());

    bool show = false;

    const int ToolBarCount = qtoolbarsInUnifiedToolbarList.count();

    for (int i = 0; i < ToolBarCount; ++i) {

        if (qtoolbarsInUnifiedToolbarList.at(i)->isVisible()) {

            show = true;

            break;

        }

    }

    macWindowToolbarShow(layoutState.mainWindow, show);

}

QT_END_NAMESPACE