qmainwindowlayout.cpp

奇趣公司比较新的qt/emd版本

        SetWindowToolbar(window, macToolbar);
        if (layoutState.mainWindow->isVisible())
            ShowHideWindowToolbar(window, true, false);
        CFRelease(macToolbar);
    }


    int beforeIndex = qtoolbarsInHIToolbarList.indexOf(before);
    if (beforeIndex == -1)
        beforeIndex = qtoolbarsInHIToolbarList.size();

    int toolbarIndex = qtoolbarsInHIToolbarList.indexOf(toolbar);
    if (toolbarIndex != -1) {
        qtoolbarsInHIToolbarList.removeAt(toolbarIndex);
        HIToolbarRemoveItemAtIndex(macToolbar, toolbarIndex);
    }

    // Make the toolbar a child of the mainwindow to avoid creating a window.
    toolbar->setParent(layoutState.mainWindow);
    toolbar->createWinId();  // Now create the HIViewRef.
    qtoolbarsInHIToolbarList.insert(beforeIndex, toolbar);
    QCFType<HIToolbarItemRef> outItem;
    const QObject *stupidArray[] = { toolbar, this };
    QCFType<CFArrayRef> array = CFArrayCreate(0, reinterpret_cast<const void **>(&stupidArray),
                                              2, 0);
    HIToolbarCreateItemWithIdentifier(macToolbar, CFSTR("com.trolltech.qt.hitoolbar-qtoolbar"),
                                      array, &outItem);
    HIToolbarInsertItemAtIndex(macToolbar, outItem, beforeIndex);
}

#endif // Q_WS_MAC


/* Removes the toolbar from the mainwindow so that it can be added again. Does not
   explicitly hide the toolbar. */
void QMainWindowLayout::removeToolBar(QToolBar *toolbar)
{
    if (toolbar) {
        QObject::disconnect(parentWidget(), SIGNAL(iconSizeChanged(QSize)),
                   toolbar, SLOT(_q_updateIconSize(QSize)));
        QObject::disconnect(parentWidget(), SIGNAL(toolButtonStyleChanged(Qt::ToolButtonStyle)),
                   toolbar, SLOT(_q_updateToolButtonStyle(Qt::ToolButtonStyle)));

#ifdef Q_WS_MAC
        if (usesHIToolBar(toolbar)) {
            QHash<HIToolbarItemRef, QToolBar *>::iterator it = hitoolbarHash.begin();
            while (it != hitoolbarHash.end()) {
                if (it.value() == toolbar) {
                    // Rescue our HIView and set it on the mainWindow again.
                    bool saveVisible = toolbar->isVisible();
                    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);
                    HIToolbarItemRef item = it.key();
                    HIToolbarRemoveItemAtIndex(HIToolbarItemGetToolbar(item),
                                               toolbarItemsCopy.indexOf(item));
                    break;
                }
                ++it;
            }
        } else
#endif // Q_WS_MAC
        {
            removeWidget(toolbar);
        }
    }
}

/*!
    Adds \a toolbar to \a area, continuing the current line.
*/
void QMainWindowLayout::addToolBar(Qt::ToolBarArea area,
                                   QToolBar *toolbar,
                                   bool)
{
    validateToolBarArea(area);
#ifdef Q_WS_MAC
    if ((area == Qt::TopToolBarArea)
            && layoutState.mainWindow->unifiedTitleAndToolBarOnMac()) {
        insertIntoMacHIToolbar(0, toolbar);
    } else
#endif
    {
        addChildWidget(toolbar);
        layoutState.toolBarAreaLayout.addToolBar(toDockPos(area), toolbar);
        invalidate();
    }
}

/*!
    Adds \a toolbar before \a before
*/
void QMainWindowLayout::insertToolBar(QToolBar *before, QToolBar *toolbar)
{
#ifdef Q_WS_MAC
    if (usesHIToolBar(before)) {
        insertIntoMacHIToolbar(before, toolbar);
    } else
#endif // Q_WS_MAC
    {
        addChildWidget(toolbar);
        layoutState.toolBarAreaLayout.insertToolBar(before, toolbar);
        invalidate();
    }
}

Qt::ToolBarArea QMainWindowLayout::toolBarArea(QToolBar *toolbar) const
{
    QInternal::DockPosition pos = layoutState.toolBarAreaLayout.findToolBar(toolbar);
    switch (pos) {
        case QInternal::LeftDock:   return Qt::LeftToolBarArea;
        case QInternal::RightDock:  return Qt::RightToolBarArea;
        case QInternal::TopDock:    return Qt::TopToolBarArea;
        case QInternal::BottomDock: return Qt::BottomToolBarArea;
        default: break;
    }
#ifdef Q_WS_MAC
    if (pos == QInternal::DockCount) {
        if (qtoolbarsInHIToolbarList.contains(toolbar))
            return Qt::TopToolBarArea;
    }
#endif
    return Qt::NoToolBarArea;
}

bool QMainWindowLayout::toolBarBreak(QToolBar *toolBar) const
{
    return layoutState.toolBarAreaLayout.toolBarBreak(toolBar);
}

void QMainWindowLayout::getStyleOptionInfo(QStyleOptionToolBar *option, QToolBar *toolBar) const
{
    option->toolBarArea = toolBarArea(toolBar);
    layoutState.toolBarAreaLayout.getStyleOptionInfo(option, toolBar);
}

void QMainWindowLayout::toggleToolBarsVisible()
{
    layoutState.toolBarAreaLayout.visible = !layoutState.toolBarAreaLayout.visible;

    QRect oldRect = parentWidget()->geometry();
    QRect newRect = layoutState.toolBarAreaLayout.rectHint(oldRect);
    newRect.moveTopRight(oldRect.topRight());
//    widgetAnimator->animate(parentWidget(), r, true);
    parentWidget()->setGeometry(newRect);
}

#endif // QT_NO_TOOLBAR

/******************************************************************************
** QMainWindowLayoutState - dock areas
*/

#ifndef QT_NO_DOCKWIDGET

static inline void validateDockWidgetArea(Qt::DockWidgetArea &area)
{
    switch (area) {
    case Qt::LeftDockWidgetArea:
    case Qt::RightDockWidgetArea:
    case Qt::TopDockWidgetArea:
    case Qt::BottomDockWidgetArea:
        break;
    default:
        area = Qt::LeftDockWidgetArea;
    }
}

static QInternal::DockPosition toDockPos(Qt::DockWidgetArea area)
{
    switch (area) {
        case Qt::LeftDockWidgetArea: return QInternal::LeftDock;
        case Qt::RightDockWidgetArea: return QInternal::RightDock;
        case Qt::TopDockWidgetArea: return QInternal::TopDock;
        case Qt::BottomDockWidgetArea: return QInternal::BottomDock;
        default:
            break;
    }

    return QInternal::DockCount;
}

static Qt::DockWidgetArea toDockWidgetArea(QInternal::DockPosition pos)
{
    switch (pos) {
        case QInternal::LeftDock : return Qt::LeftDockWidgetArea;
        case QInternal::RightDock : return Qt::RightDockWidgetArea;
        case QInternal::TopDock : return Qt::TopDockWidgetArea;
        case QInternal::BottomDock : return Qt::BottomDockWidgetArea;
        default:
            break;
    }

    return Qt::NoDockWidgetArea;
}

inline static Qt::DockWidgetArea toDockWidgetArea(int pos)
{
    return toDockWidgetArea(static_cast<QInternal::DockPosition>(pos));
}

void QMainWindowLayout::setCorner(Qt::Corner corner, Qt::DockWidgetArea area)
{
    if (layoutState.dockAreaLayout.corners[corner] == area)
        return;
    layoutState.dockAreaLayout.corners[corner] = area;
    invalidate();
}

Qt::DockWidgetArea QMainWindowLayout::corner(Qt::Corner corner) const
{
    return layoutState.dockAreaLayout.corners[corner];
}

void QMainWindowLayout::addDockWidget(Qt::DockWidgetArea area,
                                             QDockWidget *dockwidget,
                                             Qt::Orientation orientation)
{
    addChildWidget(dockwidget);

    // If we are currently moving a separator, then we need to abort the move, since each
    // time we move the mouse layoutState is replaced by savedState modified by the move.
    if (!movingSeparator.isEmpty())
        endSeparatorMove(movingSeparatorPos);

    layoutState.dockAreaLayout.addDockWidget(toDockPos(area), dockwidget, orientation);
    emit dockwidget->dockLocationChanged(area);
    invalidate();
}

void QMainWindowLayout::tabifyDockWidget(QDockWidget *first, QDockWidget *second)
{
    addChildWidget(second);
    layoutState.dockAreaLayout.tabifyDockWidget(first, second);
    emit second->dockLocationChanged(dockWidgetArea(first));
    invalidate();
}

void QMainWindowLayout::setVerticalTabsEnabled(bool enabled)
{
#ifdef QT_NO_TABBAR
    Q_UNUSED(enabled);
#else
    QDockAreaLayout &layout = layoutState.dockAreaLayout;

    const QTabBar::Shape verticalShapes[] = {
        QTabBar::RoundedWest,
        QTabBar::RoundedEast,
        QTabBar::RoundedNorth,
        QTabBar::RoundedSouth
    };

    for (int i = 0; i < QInternal::DockCount; ++i) {
        layout.docks[i].setTabBarShape(
            enabled ? verticalShapes[i] : QTabBar::RoundedSouth
        );
    }
#endif // QT_NO_TABBAR
}

void QMainWindowLayout::splitDockWidget(QDockWidget *after,
                                               QDockWidget *dockwidget,
                                               Qt::Orientation orientation)
{
    addChildWidget(dockwidget);
    layoutState.dockAreaLayout.splitDockWidget(after, dockwidget, orientation);
    emit dockwidget->dockLocationChanged(dockWidgetArea(after));
    invalidate();
}

Qt::DockWidgetArea QMainWindowLayout::dockWidgetArea(QDockWidget *widget) const
{
    QList<int> pathToWidget = layoutState.dockAreaLayout.indexOf(widget);
    if (pathToWidget.isEmpty())
        return Qt::NoDockWidgetArea;
    return toDockWidgetArea(pathToWidget.first());
}

void QMainWindowLayout::keepSize(QDockWidget *w)
{
    layoutState.dockAreaLayout.keepSize(w);
}

#ifndef QT_NO_TABBAR

class QMainWindowTabBar : public QTabBar
{
public:
    QMainWindowTabBar(QWidget *parent);
protected:
    bool event(QEvent *e);
};

QMainWindowTabBar::QMainWindowTabBar(QWidget *parent)
    : QTabBar(parent)
{
    static_cast<QTabBarPrivate*>(d_ptr)->squeezeTabs = true;
}

bool QMainWindowTabBar::event(QEvent *e)
{
    // show the tooltip if tab is too small to fit label

    if (e->type() != QEvent::ToolTip)
        return QTabBar::event(e);
    QSize size = this->size();
    QSize hint = sizeHint();
    if (shape() == QTabBar::RoundedWest || shape() == QTabBar::RoundedEast) {
        size.transpose();
        hint.transpose();
    }
    if (size.width() < hint.width())
        return QTabBar::event(e);
    e->accept();
    return true;
}

QTabBar *QMainWindowLayout::getTabBar()
{
    QTabBar *result = 0;
    if (!unusedTabBars.isEmpty()) {
        result = unusedTabBars.takeLast();
    } else {
        result = new QMainWindowTabBar(parentWidget());
        result->setShape(QTabBar::RoundedSouth);
        result->setDrawBase(true);
        result->setElideMode(Qt::ElideRight);
        connect(result, SIGNAL(currentChanged(int)), this, SLOT(tabChanged()));
    }

    usedTabBars.insert(result);
    return result;
}

void QMainWindowLayout::tabChanged()
{
    QTabBar *tb = qobject_cast<QTabBar*>(sender());
    if (tb == 0)
        return;
    QDockAreaLayoutInfo *info = layoutState.dockAreaLayout.info(tb);
    if (info == 0)
        return;
    info->apply(false);

    if (QWidget *w = centralWidget())
        w->raise();
}
#endif // QT_NO_TABBAR

bool QMainWindowLayout::startSeparatorMove(const QPoint &pos)
{
    movingSeparator = layoutState.dockAreaLayout.findSeparator(pos);

    if (movingSeparator.isEmpty())
        return false;

    savedState = layoutState;
    movingSeparatorPos = movingSeparatorOrigin = pos;

    return true;
}

bool QMainWindowLayout::separatorMove(const QPoint &pos)
{
    if (movingSeparator.isEmpty())
        return false;
    movingSeparatorPos = pos;
    separatorMoveTimer->start();
    return true;
}

void QMainWindowLayout::doSeparatorMove()
{
    if (movingSeparator.isEmpty())
        return;
    if (movingSeparatorOrigin == movingSeparatorPos)
        return;

    layoutState = savedState;
    layoutState.dockAreaLayout.separatorMove(movingSeparator, movingSeparatorOrigin,
                                                movingSeparatorPos,
                                                &separatorMoveCache);
    movingSeparatorPos = movingSeparatorOrigin;
}

bool QMainWindowLayout::endSeparatorMove(const QPoint&)
{
    bool result = !movingSeparator.isEmpty();
    movingSeparator.clear();
    savedState.clear();
    separatorMoveCache.clear();
    return result;
}

void QMainWindowLayout::raise(QDockWidget *widget)
{
    QDockAreaLayoutInfo *info = layoutState.dockAreaLayout.info(widget);
    if (info == 0)
        return;
#ifndef QT_NO_TABBAR
    if (!info->tabbed)
        return;
    info->setCurrentTab(widget);
#endif
}

#endif // QT_NO_DOCKWIDGET


/******************************************************************************
** QMainWindowLayoutState - layout interface
*/

int QMainWindowLayout::count() const
{
    qWarning("QMainWindowLayout::count: ?");
    return 0; //#################################################
}

QLayoutItem *QMainWindowLayout::itemAt(int index) const
{
    int x = 0;

    if (QLayoutItem *ret = layoutState.itemAt(index, &x))
        return ret;

    if (statusbar && x++ == index)
        return statusbar;

    return 0;
}

QLayoutItem *QMainWindowLayout::takeAt(int index)
{
    int x = 0;

    if (QLayoutItem *ret = layoutState.takeAt(index, &x)) {
        // the widget might in fact have been destroyed by now
        if (QWidget *w = ret->widget()) {
            widgetAnimator->abort(w);
            if (w == pluggingWidget)
                pluggingWidget = 0;
        }

        return ret;
    }

    if (statusbar && x++ == index) {
        QLayoutItem *ret = statusbar;
        statusbar = 0;
        return ret;
    }

    return 0;
}

void QMainWindowLayout::setGeometry(const QRect &_r)
{
    if (savedState.isValid())
        return;

    QRect r = _r;

    QLayout::setGeometry(r);

    if (statusbar) {
        QRect sbr(QPoint(0, 0),
                  QSize(r.width(), statusbar->heightForWidth(r.width()))
                  .expandedTo(statusbar->minimumSize()));
        sbr.moveBottom(r.bottom());
        QRect vr = QStyle::visualRect(QApplication::layoutDirection(), _r, sbr);
        statusbar->setGeometry(vr);
        r.setBottom(sbr.top() - 1);
    }

    layoutState.rect = r;
    layoutState.fitLayout();
    applyState(layoutState, false);
}

void QMainWindowLayout::addItem(QLayoutItem *)
{ qWarning("QMainWindowLayout::addItem: Please use the public QMainWindow API instead"); }

QSize QMainWindowLayout::sizeHint() const
{
    if (!szHint.isValid()) {
        szHint = layoutState.sizeHint();
        const QSize sbHint = statusbar ? statusbar->sizeHint() : QSize(0, 0);
        szHint = QSize(qMax(sbHint.width(), szHint.width()),
                        sbHint.height() + szHint.height());
    }