Long live Qt!

1 files changed, 752 insertions, 0 deletions

diff --git a/src/gui/widgets/qtoolbarlayout.cpp b/src/gui/widgets/qtoolbarlayout.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qaction.h>
+#include <qwidgetaction.h>
+#include <qtoolbar.h>
+#include <qstyleoption.h>
+#include <qtoolbutton.h>
+#include <qmenu.h>
+#include <qdebug.h>
+#include <qmath.h>
+
+#include "qmainwindowlayout_p.h"
+#include "qtoolbarextension_p.h"
+#include "qtoolbarlayout_p.h"
+#include "qtoolbarseparator_p.h"
+
+#ifndef QT_NO_TOOLBAR
+
+QT_BEGIN_NAMESPACE
+
+/******************************************************************************
+** QToolBarItem
+*/
+
+QToolBarItem::QToolBarItem(QWidget *widget)
+    : QWidgetItem(widget), action(0), customWidget(false)
+{
+}
+
+bool QToolBarItem::isEmpty() const
+{
+    return action == 0 || !action->isVisible();
+}
+
+/******************************************************************************
+** QToolBarLayout
+*/
+
+QToolBarLayout::QToolBarLayout(QWidget *parent)
+    : QLayout(parent), expanded(false), animating(false), dirty(true),
+        expanding(false), empty(true), expandFlag(false), popupMenu(0)
+{
+    QToolBar *tb = qobject_cast<QToolBar*>(parent);
+    if (!tb)
+        return;
+
+    extension = new QToolBarExtension(tb);
+    extension->setFocusPolicy(Qt::NoFocus);
+    extension->hide();
+    QObject::connect(tb, SIGNAL(orientationChanged(Qt::Orientation)),
+                     extension, SLOT(setOrientation(Qt::Orientation)));
+
+    setUsePopupMenu(qobject_cast<QMainWindow*>(tb->parentWidget()) == 0);
+}
+
+QToolBarLayout::~QToolBarLayout()
+{
+    while (!items.isEmpty()) {
+        QToolBarItem *item = items.takeFirst();
+        if (QWidgetAction *widgetAction = qobject_cast<QWidgetAction*>(item->action)) {
+            if (item->customWidget)
+                widgetAction->releaseWidget(item->widget());
+        }
+        delete item;
+    }
+}
+
+void QToolBarLayout::updateMarginAndSpacing()
+{
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return;
+    QStyle *style = tb->style();
+    QStyleOptionToolBar opt;
+    tb->initStyleOption(&opt);
+    setMargin(style->pixelMetric(QStyle::PM_ToolBarItemMargin, &opt, tb)
+                + style->pixelMetric(QStyle::PM_ToolBarFrameWidth, &opt, tb));
+    setSpacing(style->pixelMetric(QStyle::PM_ToolBarItemSpacing, &opt, tb));
+}
+
+bool QToolBarLayout::hasExpandFlag() const
+{
+    return expandFlag;
+}
+
+void QToolBarLayout::setUsePopupMenu(bool set)
+{
+    if (!dirty && ((popupMenu == 0) == set))
+        invalidate();
+    if (!set) {
+        QObject::connect(extension, SIGNAL(clicked(bool)),
+                        this, SLOT(setExpanded(bool)));
+        extension->setPopupMode(QToolButton::DelayedPopup);
+        extension->setMenu(0);
+        delete popupMenu;
+        popupMenu = 0;
+    } else {
+        QObject::disconnect(extension, SIGNAL(clicked(bool)),
+                            this, SLOT(setExpanded(bool)));
+        extension->setPopupMode(QToolButton::InstantPopup);
+        if (!popupMenu) {
+            popupMenu = new QMenu(extension);
+        }
+        extension->setMenu(popupMenu);
+    }
+}
+
+void QToolBarLayout::checkUsePopupMenu()
+{
+    QToolBar *tb = static_cast<QToolBar *>(parent());
+    QMainWindow *mw = qobject_cast<QMainWindow *>(tb->parent());
+    Qt::Orientation o = tb->orientation();
+    setUsePopupMenu(!mw || tb->isFloating() || perp(o, expandedSize(mw->size())) >= perp(o, mw->size()));
+}
+
+void QToolBarLayout::addItem(QLayoutItem*)
+{
+    qWarning() << "QToolBarLayout::addItem(): please use addAction() instead";
+    return;
+}
+
+QLayoutItem *QToolBarLayout::itemAt(int index) const
+{
+    if (index < 0 || index >= items.count())
+        return 0;
+    return items.at(index);
+}
+
+QLayoutItem *QToolBarLayout::takeAt(int index)
+{
+    if (index < 0 || index >= items.count())
+        return 0;
+    QToolBarItem *item = items.takeAt(index);
+
+    if (popupMenu)
+        popupMenu->removeAction(item->action);
+
+    QWidgetAction *widgetAction = qobject_cast<QWidgetAction*>(item->action);
+    if (widgetAction != 0 && item->customWidget) {
+        widgetAction->releaseWidget(item->widget());
+    } else {
+        // destroy the QToolButton/QToolBarSeparator
+        item->widget()->hide();
+        item->widget()->deleteLater();
+    }
+
+    invalidate();
+    return item;
+}
+
+void QToolBarLayout::insertAction(int index, QAction *action)
+{
+    index = qMax(0, index);
+    index = qMin(items.count(), index);
+
+    QToolBarItem *item = createItem(action);
+    if (item) {
+        items.insert(index, item);
+        invalidate();
+    }
+}
+
+int QToolBarLayout::indexOf(QAction *action) const
+{
+    for (int i = 0; i < items.count(); ++i) {
+        if (items.at(i)->action == action)
+            return i;
+    }
+    return -1;
+}
+
+int QToolBarLayout::count() const
+{
+    return items.count();
+}
+
+bool QToolBarLayout::isEmpty() const
+{
+    if (dirty)
+        updateGeomArray();
+    return empty;
+}
+
+void QToolBarLayout::invalidate()
+{
+    dirty = true;
+    QLayout::invalidate();
+}
+
+Qt::Orientations QToolBarLayout::expandingDirections() const
+{
+    if (dirty)
+        updateGeomArray();
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return Qt::Orientations(0);
+    Qt::Orientation o = tb->orientation();
+    return expanding ? Qt::Orientations(o) : Qt::Orientations(0);
+}
+
+bool QToolBarLayout::movable() const
+{
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return false;
+    QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget());
+    return tb->isMovable() && win != 0;
+}
+
+void QToolBarLayout::updateGeomArray() const
+{
+    if (!dirty)
+        return;
+
+    QToolBarLayout *that = const_cast<QToolBarLayout*>(this);
+
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return;
+    QStyle *style = tb->style();
+    QStyleOptionToolBar opt;
+    tb->initStyleOption(&opt);
+    const int handleExtent = movable()
+            ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
+    const int margin = this->margin();
+    const int spacing = this->spacing();
+    const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
+    Qt::Orientation o = tb->orientation();
+
+    that->minSize = QSize(0, 0);
+    that->hint = QSize(0, 0);
+    rperp(o, that->minSize) = style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb);
+    rperp(o, that->hint) = style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb);
+
+    that->expanding = false;
+    that->empty = false;
+
+    QVector<QLayoutStruct> a(items.count() + 1); // + 1 for the stretch
+
+    int count = 0;
+    for (int i = 0; i < items.count(); ++i) {
+        QToolBarItem *item = items.at(i);
+
+        QSize max = item->maximumSize();
+        QSize min = item->minimumSize();
+        QSize hint = item->sizeHint();
+        Qt::Orientations exp = item->expandingDirections();
+        bool empty = item->isEmpty();
+
+        that->expanding = expanding || exp & o;
+
+
+        if (item->widget()) {
+            if ((item->widget()->sizePolicy().horizontalPolicy() & QSizePolicy::ExpandFlag)) {
+                that->expandFlag = true;
+            }
+        }
+
+        if (!empty) {
+            if (count == 0) // the minimum size only displays one widget
+                rpick(o, that->minSize) += pick(o, min);
+            int s = perp(o, minSize);
+            rperp(o, that->minSize) = qMax(s, perp(o, min));
+
+            //we only add spacing before item (ie never before the first one)
+            rpick(o, that->hint) += (count == 0 ? 0 : spacing) + pick(o, hint);
+            s = perp(o, that->hint);
+            rperp(o, that->hint) = qMax(s, perp(o, hint));
+            ++count;
+        }
+
+        a[i].sizeHint = pick(o, hint);
+        a[i].maximumSize = pick(o, max);
+        a[i].minimumSize = pick(o, min);
+        a[i].expansive = exp & o;
+        if (o == Qt::Horizontal)
+            a[i].stretch = item->widget()->sizePolicy().horizontalStretch();
+        else
+            a[i].stretch = item->widget()->sizePolicy().verticalStretch();
+        a[i].empty = empty;
+    }
+
+    that->geomArray = a;
+    that->empty = count == 0;
+
+    rpick(o, that->minSize) += handleExtent;
+    that->minSize += QSize(2*margin, 2*margin);
+    if (items.count() > 1)
+        rpick(o, that->minSize) += spacing + extensionExtent;
+
+    rpick(o, that->hint) += handleExtent;
+    that->hint += QSize(2*margin, 2*margin);
+    that->dirty = false;
+#ifdef Q_WS_MAC
+    if (QMainWindow *mw = qobject_cast<QMainWindow *>(parentWidget()->parentWidget())) {
+        if (mw->unifiedTitleAndToolBarOnMac()
+                && mw->toolBarArea(static_cast<QToolBar *>(parentWidget())) == Qt::TopToolBarArea) {
+            if (that->expandFlag) {
+                tb->setMaximumSize(0xFFFFFF, 0xFFFFFF);
+            } else {
+               tb->setMaximumSize(hint);
+            }
+        }
+    }
+#endif
+
+    that->dirty = false;
+}
+
+static bool defaultWidgetAction(QToolBarItem *item)
+{
+    QWidgetAction *a = qobject_cast<QWidgetAction*>(item->action);
+    return a != 0 && a->defaultWidget() == item->widget();
+}
+
+void QToolBarLayout::setGeometry(const QRect &rect)
+{
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return;
+    QStyle *style = tb->style();
+    QStyleOptionToolBar opt;
+    tb->initStyleOption(&opt);
+    const int handleExtent = movable()
+            ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
+    const int margin = this->margin();
+    const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
+    Qt::Orientation o = tb->orientation();
+
+    QLayout::setGeometry(rect);
+    if (movable()) {
+        if (o == Qt::Horizontal) {
+            handRect = QRect(margin, margin, handleExtent, rect.height() - 2*margin);
+            handRect = QStyle::visualRect(parentWidget()->layoutDirection(), rect, handRect);
+        } else {
+            handRect = QRect(margin, margin, rect.width() - 2*margin, handleExtent);
+        }
+    } else {
+        handRect = QRect();
+    }
+
+    bool ranOutOfSpace = false;
+    if (!animating)
+        ranOutOfSpace = layoutActions(rect.size());
+
+    if (expanded || animating || ranOutOfSpace) {
+        Qt::ToolBarArea area = Qt::TopToolBarArea;
+        if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget()))
+            area = win->toolBarArea(tb);
+        QSize hint = sizeHint();
+
+        QPoint pos;
+        rpick(o, pos) = pick(o, rect.bottomRight()) - margin - extensionExtent + 2;
+        if (area == Qt::LeftToolBarArea || area == Qt::TopToolBarArea)
+            rperp(o, pos) = perp(o, rect.topLeft()) + margin;
+        else
+            rperp(o, pos) = perp(o, rect.bottomRight()) - margin - (perp(o, hint) - 2*margin) + 1;
+        QSize size;
+        rpick(o, size) = extensionExtent;
+        rperp(o, size) = perp(o, hint) - 2*margin;
+        QRect r(pos, size);
+
+        if (o == Qt::Horizontal)
+            r = QStyle::visualRect(parentWidget()->layoutDirection(), rect, r);
+
+        extension->setGeometry(r);
+
+        if (extension->isHidden())
+            extension->show();
+    } else {
+        if (!extension->isHidden())
+            extension->hide();
+    }
+#ifdef Q_WS_MAC
+    // Nothing to do for Carbon... probably   
+#  ifdef QT_MAC_USE_COCOA
+    if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget())) {
+        Qt::ToolBarArea area = win->toolBarArea(tb);
+        if (win->unifiedTitleAndToolBarOnMac() && area == Qt::TopToolBarArea) {
+            static_cast<QMainWindowLayout *>(win->layout())->fixSizeInUnifiedToolbar(tb);
+        }
+    }
+#  endif
+#endif
+    
+}
+
+bool QToolBarLayout::layoutActions(const QSize &size)
+{
+    if (dirty)
+        updateGeomArray();
+
+    QRect rect(0, 0, size.width(), size.height());
+
+    QList<QWidget*> showWidgets, hideWidgets;
+
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return false;
+    QStyle *style = tb->style();
+    QStyleOptionToolBar opt;
+    tb->initStyleOption(&opt);
+    const int handleExtent = movable()
+            ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
+    const int margin = this->margin();
+    const int spacing = this->spacing();
+    const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
+    Qt::Orientation o = tb->orientation();
+    bool extensionMenuContainsOnlyWidgetActions = true;
+
+    int space = pick(o, rect.size()) - 2*margin - handleExtent;
+    if (space <= 0)
+        return false;  // nothing to do.
+
+    if(popupMenu)
+        popupMenu->clear();
+
+    bool ranOutOfSpace = false;
+    int rows = 0;
+    int rowPos = perp(o, rect.topLeft()) + margin;
+    int i = 0;
+    while (i < items.count()) {
+        QVector<QLayoutStruct> a = geomArray;
+
+        int start = i;
+        int size = 0;
+        int prev = -1;
+        int rowHeight = 0;
+        int count = 0;
+        int maximumSize = 0;
+        bool expansiveRow = false;
+        for (; i < items.count(); ++i) {
+            if (a[i].empty)
+                continue;
+
+            int newSize = size + (count == 0 ? 0 : spacing) + a[i].minimumSize;
+            if (prev != -1 && newSize > space) {
+                if (rows == 0)
+                    ranOutOfSpace = true;
+                // do we have to move the previous item to the next line to make space for
+                // the extension button?
+                if (count > 1 && size + spacing + extensionExtent > space)
+                    i = prev;
+                break;
+            }
+
+            if (expanded)
+                rowHeight = qMax(rowHeight, perp(o, items.at(i)->sizeHint()));
+            expansiveRow = expansiveRow || a[i].expansive;
+            size = newSize;
+            maximumSize += spacing + (a[i].expansive ? a[i].maximumSize : a[i].smartSizeHint());
+            prev = i;
+            ++count;
+        }
+
+        // stretch at the end
+        a[i].sizeHint = 0;
+        a[i].maximumSize = QWIDGETSIZE_MAX;
+        a[i].minimumSize = 0;
+        a[i].expansive = true;
+        a[i].stretch = 0;
+        a[i].empty = true;
+
+        if (expansiveRow && maximumSize < space) {
+            expansiveRow = false;
+            a[i].maximumSize = space - maximumSize;
+        }
+
+        qGeomCalc(a, start, i - start + (expansiveRow ? 0 : 1), 0,
+                    space - (ranOutOfSpace ? (extensionExtent + spacing) : 0),
+                    spacing);
+
+        for (int j = start; j < i; ++j) {
+            QToolBarItem *item = items.at(j);
+
+            if (a[j].empty) {
+                if (!item->widget()->isHidden())
+                    hideWidgets << item->widget();
+                continue;
+            }
+
+            QPoint pos;
+            rpick(o, pos) = margin + handleExtent + a[j].pos;
+            rperp(o, pos) = rowPos;
+            QSize size;
+            rpick(o, size) = a[j].size;
+            if (expanded)
+                rperp(o, size) = rowHeight;
+            else
+                rperp(o, size) = perp(o, rect.size()) - 2*margin;
+            QRect r(pos, size);
+
+            if (o == Qt::Horizontal)
+                r = QStyle::visualRect(parentWidget()->layoutDirection(), rect, r);
+
+            item->setGeometry(r);
+
+            if (item->widget()->isHidden())
+                showWidgets << item->widget();
+        }
+
+        if (!expanded) {
+            for (int j = i; j < items.count(); ++j) {
+                QToolBarItem *item = items.at(j);
+                if (!item->widget()->isHidden())
+                    hideWidgets << item->widget();
+                if (popupMenu) {
+                    if (!defaultWidgetAction(item)) {
+                        popupMenu->addAction(item->action);
+                        extensionMenuContainsOnlyWidgetActions = false;
+                    }
+                }
+            }
+            break;
+        }
+
+        rowPos += rowHeight + spacing;
+        ++rows;
+    }
+
+    // if we are using a popup menu, not the expadning toolbar effect, we cannot move custom
+    // widgets into the menu. If only custom widget actions are chopped off, the popup menu
+    // is empty. So we show the little extension button to show something is chopped off,
+    // but we make it disabled.
+    extension->setEnabled(popupMenu == 0 || !extensionMenuContainsOnlyWidgetActions);
+
+    // we have to do the show/hide here, because it triggers more calls to setGeometry :(
+    for (int i = 0; i < showWidgets.count(); ++i)
+        showWidgets.at(i)->show();
+    for (int i = 0; i < hideWidgets.count(); ++i)
+        hideWidgets.at(i)->hide();
+
+    return ranOutOfSpace;
+}
+
+QSize QToolBarLayout::expandedSize(const QSize &size) const
+{
+    if (dirty)
+        updateGeomArray();
+
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return QSize(0, 0);
+    QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget());
+    Qt::Orientation o = tb->orientation();
+    QStyle *style = tb->style();
+    QStyleOptionToolBar opt;
+    tb->initStyleOption(&opt);
+    const int handleExtent = movable()
+            ? style->pixelMetric(QStyle::PM_ToolBarHandleExtent, &opt, tb) : 0;
+    const int margin = this->margin();
+    const int spacing = this->spacing();
+    const int extensionExtent = style->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt, tb);
+
+    int total_w = 0;
+    int count = 0;
+    for (int x = 0; x < items.count(); ++x) {
+        if (!geomArray[x].empty) {
+            total_w += (count == 0 ? 0 : spacing) + geomArray[x].minimumSize;
+            ++count;
+        }
+    }
+    if (count == 0)
+        return QSize(0, 0);
+
+    int min_w = pick(o, size);
+    int rows = (int)qSqrt(qreal(count));
+    if (rows == 1)
+        ++rows;      // we want to expand to at least two rows
+    int space = total_w/rows + spacing + extensionExtent;
+    space = qMax(space, min_w - 2*margin - handleExtent);
+    if (win != 0)
+        space = qMin(space, pick(o, win->size()) - 2*margin - handleExtent);
+
+    int w = 0;
+    int h = 0;
+    int i = 0;
+    while (i < items.count()) {
+        int count = 0;
+        int size = 0;
+        int prev = -1;
+        int rowHeight = 0;
+        for (; i < items.count(); ++i) {
+            if (geomArray[i].empty)
+                continue;
+
+            int newSize = size + (count == 0 ? 0 : spacing) + geomArray[i].minimumSize;
+            rowHeight = qMax(rowHeight, perp(o, items.at(i)->sizeHint()));
+            if (prev != -1 && newSize > space) {
+                if (count > 1 && size + spacing + extensionExtent > space) {
+                    size -= spacing + geomArray[prev].minimumSize;
+                    i = prev;
+                }
+                break;
+            }
+
+            size = newSize;
+            prev = i;
+            ++count;
+        }
+
+        w = qMax(size, w);
+        h += rowHeight + spacing;
+    }
+
+    w += 2*margin + handleExtent + spacing + extensionExtent;
+    w = qMax(w, min_w);
+    if (win != 0)
+        w = qMin(w, pick(o, win->size()));
+    h += 2*margin - spacing; //there is no spacing before the first row
+
+    QSize result;
+    rpick(o, result) = w;
+    rperp(o, result) = h;
+    return result;
+}
+
+void QToolBarLayout::setExpanded(bool exp)
+{
+    if (exp == expanded)
+        return;
+
+    expanded = exp;
+    extension->setChecked(expanded);
+
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return;
+    if (QMainWindow *win = qobject_cast<QMainWindow*>(tb->parentWidget())) {
+        animating = true;
+        QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(win->layout());
+        if (expanded) {
+            tb->raise();
+        } else {
+            QList<int> path = layout->layoutState.indexOf(tb);
+            if (!path.isEmpty()) {
+                QRect rect = layout->layoutState.itemRect(path);
+                layoutActions(rect.size());
+            }
+        }
+        layout->layoutState.toolBarAreaLayout.apply(true);
+    }
+}
+
+QSize QToolBarLayout::minimumSize() const
+{
+    if (dirty)
+        updateGeomArray();
+    return minSize;
+}
+
+QSize QToolBarLayout::sizeHint() const
+{
+    if (dirty)
+        updateGeomArray();
+    return hint;
+}
+
+QToolBarItem *QToolBarLayout::createItem(QAction *action)
+{
+    bool customWidget = false;
+    bool standardButtonWidget = false;
+    QWidget *widget = 0;
+    QToolBar *tb = qobject_cast<QToolBar*>(parentWidget());
+    if (!tb)
+        return (QToolBarItem *)0;
+
+    if (QWidgetAction *widgetAction = qobject_cast<QWidgetAction *>(action)) {
+        widget = widgetAction->requestWidget(tb);
+        if (widget != 0) {
+            widget->setAttribute(Qt::WA_LayoutUsesWidgetRect);
+            customWidget = true;
+        }
+    } else if (action->isSeparator()) {
+        QToolBarSeparator *sep = new QToolBarSeparator(tb);
+        connect(tb, SIGNAL(orientationChanged(Qt::Orientation)),
+                sep, SLOT(setOrientation(Qt::Orientation)));
+        widget = sep;
+    }
+
+    if (!widget) {
+        QToolButton *button = new QToolButton(tb);
+        button->setAutoRaise(true);
+        button->setFocusPolicy(Qt::NoFocus);
+        button->setIconSize(tb->iconSize());
+        button->setToolButtonStyle(tb->toolButtonStyle());
+        QObject::connect(tb, SIGNAL(iconSizeChanged(QSize)),
+                         button, SLOT(setIconSize(QSize)));
+        QObject::connect(tb, SIGNAL(toolButtonStyleChanged(Qt::ToolButtonStyle)),
+                         button, SLOT(setToolButtonStyle(Qt::ToolButtonStyle)));
+        button->setDefaultAction(action);
+        QObject::connect(button, SIGNAL(triggered(QAction*)), tb, SIGNAL(actionTriggered(QAction*)));
+        widget = button;
+        standardButtonWidget = true;
+    }
+
+    widget->hide();
+    QToolBarItem *result = new QToolBarItem(widget);
+    if (standardButtonWidget)
+        result->setAlignment(Qt::AlignJustify);
+    result->customWidget = customWidget;
+    result->action = action;
+    return result;
+}
+
+QRect QToolBarLayout::handleRect() const
+{
+    return handRect;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TOOLBAR