diff -r 000000000000 -r 1918ee327afb tools/designer/src/components/taskmenu/containerwidget_taskmenu.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/components/taskmenu/containerwidget_taskmenu.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,348 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "containerwidget_taskmenu.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QExtensionManager>
+#include <QtDesigner/QDesignerContainerExtension>
+
+#include <qdesigner_command_p.h>
+#include <qdesigner_dockwidget_p.h>
+#include <promotiontaskmenu_p.h>
+#include <widgetdatabase_p.h>
+
+#include <QtGui/QAction>
+#include <QtGui/QMainWindow>
+#include <QtGui/QToolBox>
+#include <QtGui/QStackedWidget>
+#include <QtGui/QTabWidget>
+#include <QtGui/QScrollArea>
+#include <QtGui/QMdiArea>
+#include <QtGui/QWorkspace>
+#include <QtGui/QWizard>
+#include <QtGui/QMenu>
+
+#include <QtCore/qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+ContainerWidgetTaskMenu::ContainerWidgetTaskMenu(QWidget *widget, ContainerType type, QObject *parent) :
+    QDesignerTaskMenu(widget, parent),
+    m_type(type),
+    m_containerWidget(widget),
+    m_core(formWindow()->core()),
+    m_pagePromotionTaskMenu(new PromotionTaskMenu(0, PromotionTaskMenu::ModeSingleWidget, this)),
+    m_pageMenuAction(new QAction(this)),
+    m_pageMenu(new QMenu),
+    m_actionDeletePage(new QAction(tr("Delete"), this))
+{
+    Q_ASSERT(m_core);
+    m_taskActions.append(createSeparator());
+
+    connect(m_actionDeletePage, SIGNAL(triggered()), this, SLOT(removeCurrentPage()));
+
+    QAction *actionInsertPageAfter = new QAction(this);
+    connect(actionInsertPageAfter, SIGNAL(triggered()), this, SLOT(addPageAfter()));
+    // Empty Per-Page submenu, deletion and promotion. Updated on demand due to promotion state
+    switch (m_type) {
+    case WizardContainer:
+    case PageContainer:
+        m_taskActions.append(createSeparator()); // for the browse actions
+        break;
+    case MdiContainer:
+        break;
+    }
+    // submenu
+    m_pageMenuAction->setMenu(m_pageMenu);
+    m_taskActions.append(m_pageMenuAction);
+    // Insertion
+    switch (m_type) {
+    case WizardContainer:
+    case PageContainer: { // Before and after in a submenu
+        QAction *insertMenuAction = new QAction(tr("Insert"), this);
+        QMenu *insertMenu = new QMenu;
+        // before
+        QAction *actionInsertPage = new QAction(tr("Insert Page Before Current Page"), this);
+        connect(actionInsertPage, SIGNAL(triggered()), this, SLOT(addPage()));
+        insertMenu->addAction(actionInsertPage);
+        // after
+        actionInsertPageAfter->setText(tr("Insert Page After Current Page"));
+        insertMenu->addAction(actionInsertPageAfter);
+
+        insertMenuAction->setMenu(insertMenu);
+        m_taskActions.append(insertMenuAction);
+    }
+        break;
+    case MdiContainer: // No concept of order
+        actionInsertPageAfter->setText(tr("Add Subwindow"));
+        m_taskActions.append(actionInsertPageAfter);
+        break;
+    }
+}
+
+ContainerWidgetTaskMenu::~ContainerWidgetTaskMenu()
+{
+}
+
+QAction *ContainerWidgetTaskMenu::preferredEditAction() const
+{
+    return 0;
+}
+
+bool ContainerWidgetTaskMenu::canDeletePage() const
+{
+    switch (pageCount()) {
+    case 0:
+        return false;
+    case 1:
+        return m_type != PageContainer; // Do not delete last page of page-type container
+    default:
+        break;
+    }
+    return true;
+}
+
+int ContainerWidgetTaskMenu::pageCount() const
+{
+    if (const QDesignerContainerExtension *ce = containerExtension())
+        return ce->count();
+    return 0;
+}
+
+QString ContainerWidgetTaskMenu::pageMenuText(ContainerType ct, int index, int count)
+{
+    if (ct == MdiContainer)
+        return tr("Subwindow"); // No concept of order, same text everywhere
+    if (index < 0)
+        return tr("Page");
+    return tr("Page %1 of %2").arg(index + 1).arg(count);
+}
+
+QList<QAction*> ContainerWidgetTaskMenu::taskActions() const
+{
+    QList<QAction*> actions = QDesignerTaskMenu::taskActions();
+    actions += m_taskActions;
+    // Update the page submenu, deletion and promotion. Updated on demand due to promotion state.
+    m_pageMenu->clear();
+    m_pageMenu->addAction(m_actionDeletePage);
+    m_actionDeletePage->setEnabled(canDeletePage());
+    const QDesignerContainerExtension *ce = containerExtension();
+    const int index = ce->currentIndex();
+    m_pageMenuAction->setText(pageMenuText(m_type, index, ce->count()));
+    if (index != -1) { // Has a page
+        m_pageMenuAction->setEnabled(true);
+        m_pagePromotionTaskMenu->setWidget(ce->widget(index));
+        m_pagePromotionTaskMenu->addActions(PromotionTaskMenu::LeadingSeparator|PromotionTaskMenu::SuppressGlobalEdit, m_pageMenu);
+    } else { // No page
+        m_pageMenuAction->setEnabled(false);
+    }
+
+    return actions;
+}
+
+QDesignerFormWindowInterface *ContainerWidgetTaskMenu::formWindow() const
+{
+    return QDesignerFormWindowInterface::findFormWindow(m_containerWidget);
+}
+
+QDesignerContainerExtension *ContainerWidgetTaskMenu::containerExtension() const
+{
+    QExtensionManager *mgr = m_core->extensionManager();
+    return qt_extension<QDesignerContainerExtension*>(mgr, m_containerWidget);
+}
+
+void ContainerWidgetTaskMenu::removeCurrentPage()
+{
+    if (QDesignerContainerExtension *c = containerExtension()) {
+        if (c->currentIndex() == -1)
+            return;
+
+        QDesignerFormWindowInterface *fw = formWindow();
+        DeleteContainerWidgetPageCommand *cmd = new DeleteContainerWidgetPageCommand(fw);
+        cmd->init(m_containerWidget, m_type);
+        fw->commandHistory()->push(cmd);
+    }
+}
+
+void ContainerWidgetTaskMenu::addPage()
+{
+    if (containerExtension()) {
+        QDesignerFormWindowInterface *fw = formWindow();
+        AddContainerWidgetPageCommand *cmd = new AddContainerWidgetPageCommand(fw);
+        cmd->init(m_containerWidget, m_type, AddContainerWidgetPageCommand::InsertBefore);
+        fw->commandHistory()->push(cmd);
+    }
+}
+
+void ContainerWidgetTaskMenu::addPageAfter()
+{
+    if (containerExtension()) {
+        QDesignerFormWindowInterface *fw = formWindow();
+        AddContainerWidgetPageCommand *cmd = new AddContainerWidgetPageCommand(fw);
+        cmd->init(m_containerWidget, m_type, AddContainerWidgetPageCommand::InsertAfter);
+        fw->commandHistory()->push(cmd);
+    }
+}
+
+// -------------- WizardContainerWidgetTaskMenu
+WizardContainerWidgetTaskMenu::WizardContainerWidgetTaskMenu(QWizard *w, QObject *parent) :
+    ContainerWidgetTaskMenu(w, WizardContainer, parent),
+    m_nextAction(new QAction(tr("Next"), this)),
+    m_previousAction(new QAction(tr("Back"), this))
+{
+    connect(m_nextAction, SIGNAL(triggered()), w, SLOT(next()));
+    connect(m_previousAction, SIGNAL(triggered()), w, SLOT(back()));
+    QList<QAction*> &l = containerActions();
+    l.push_front(createSeparator());
+    l.push_front(m_nextAction);
+    l.push_front(m_previousAction);
+    l.push_front(createSeparator());
+}
+
+QList<QAction*> WizardContainerWidgetTaskMenu::taskActions() const
+{
+    // Enable
+    const QDesignerContainerExtension *ce = containerExtension();
+    const int index = ce->currentIndex();
+    m_previousAction->setEnabled(index > 0);
+    m_nextAction->setEnabled(index >= 0 && index < (ce->count() - 1));
+    return ContainerWidgetTaskMenu::taskActions();
+}
+
+// -------------- MdiContainerWidgetTaskMenu
+
+MdiContainerWidgetTaskMenu::MdiContainerWidgetTaskMenu(QMdiArea *m, QObject *parent) :
+    ContainerWidgetTaskMenu(m, MdiContainer, parent)
+{
+    initializeActions();
+    connect(m_nextAction, SIGNAL(triggered()), m, SLOT( activateNextSubWindow ()));
+    connect(m_previousAction, SIGNAL(triggered()), m , SLOT(activatePreviousSubWindow()));
+    connect(m_tileAction, SIGNAL(triggered()), m, SLOT(tileSubWindows()));
+    connect(m_cascadeAction, SIGNAL(triggered()), m, SLOT(cascadeSubWindows ()));
+}
+
+MdiContainerWidgetTaskMenu::MdiContainerWidgetTaskMenu(QWorkspace *m, QObject *parent) :
+    ContainerWidgetTaskMenu(m, MdiContainer, parent)
+{
+    initializeActions();
+    connect(m_nextAction, SIGNAL(triggered()), m, SLOT(activateNextWindow()));
+    connect(m_previousAction, SIGNAL(triggered()), m, SLOT(activatePreviousWindow()));
+    connect(m_tileAction, SIGNAL(triggered()),m , SLOT(tile()));
+    connect(m_cascadeAction, SIGNAL(triggered()), m, SLOT(cascade()));
+}
+
+void MdiContainerWidgetTaskMenu::initializeActions()
+{
+    m_nextAction =new QAction(tr("Next Subwindow"), this);
+    m_previousAction = new QAction(tr("Previous Subwindow"), this);
+    m_tileAction = new QAction(tr("Tile"), this);
+    m_cascadeAction = new QAction(tr("Cascade"), this);
+
+    QList<QAction*> &l = containerActions();
+    l.push_front(createSeparator());
+    l.push_front(m_tileAction);
+    l.push_front(m_cascadeAction);
+    l.push_front(m_previousAction);
+    l.push_front(m_nextAction);
+    l.push_front(createSeparator());
+}
+
+QList<QAction*> MdiContainerWidgetTaskMenu::taskActions() const
+{
+    const QList<QAction*> rc = ContainerWidgetTaskMenu::taskActions();
+    // Enable
+    const int count = pageCount();
+    m_nextAction->setEnabled(count > 1);
+    m_previousAction->setEnabled(count > 1);
+    m_tileAction->setEnabled(count);
+    m_cascadeAction->setEnabled(count);
+    return rc;
+}
+
+// --------------  ContainerWidgetTaskMenuFactory
+
+ContainerWidgetTaskMenuFactory::ContainerWidgetTaskMenuFactory(QDesignerFormEditorInterface *core, QExtensionManager *extensionManager) :
+    QExtensionFactory(extensionManager),
+    m_core(core)
+{
+}
+
+QObject *ContainerWidgetTaskMenuFactory::createExtension(QObject *object, const QString &iid, QObject *parent) const
+{
+    if (iid != QLatin1String("QDesignerInternalTaskMenuExtension") || !object->isWidgetType())
+        return 0;
+
+    QWidget *widget = qobject_cast<QWidget*>(object);
+
+    if (qobject_cast<QStackedWidget*>(widget)
+            || qobject_cast<QToolBox*>(widget)
+            || qobject_cast<QTabWidget*>(widget)
+            || qobject_cast<QDesignerDockWidget*>(widget)
+            || qobject_cast<QScrollArea*>(widget)
+            || qobject_cast<QMainWindow*>(widget)) {
+        // Are we using Designer's own container extensions and task menus or did
+        // someone provide an extra one with an addpage method, for example for a QScrollArea?
+        if (const WidgetDataBase *wb = qobject_cast<const WidgetDataBase *>(m_core->widgetDataBase())) {
+            const int idx = wb->indexOfObject(widget);
+            const WidgetDataBaseItem *item = static_cast<const WidgetDataBaseItem *>(wb->item(idx));
+            if (item->addPageMethod().isEmpty())
+                return 0;
+        }
+    }
+
+    if (qt_extension<QDesignerContainerExtension*>(extensionManager(), object) == 0)
+        return 0;
+
+    if (QMdiArea* ma = qobject_cast<QMdiArea*>(widget))
+        return new MdiContainerWidgetTaskMenu(ma, parent);
+    if (QWorkspace *ws = qobject_cast<QWorkspace*>(widget))
+        return new MdiContainerWidgetTaskMenu(ws, parent);
+    if (QWizard *wz = qobject_cast<QWizard *>(widget))
+        return new WizardContainerWidgetTaskMenu(wz, parent);
+    return new ContainerWidgetTaskMenu(widget, PageContainer, parent);
+}
+
+}
+QT_END_NAMESPACE