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diff --git a/tools/designer/src/components/formeditor/formeditor_optionspage.cpp b/tools/designer/src/components/formeditor/formeditor_optionspage.cpp
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+++ b/tools/designer/src/components/formeditor/formeditor_optionspage.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 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 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 "formeditor_optionspage.h"
+
+// shared
+#include "formwindowbase_p.h"
+#include "gridpanel_p.h"
+#include "grid_p.h"
+#include "previewconfigurationwidget_p.h"
+#include "shared_settings_p.h"
+#include "zoomwidget_p.h"
+
+// SDK
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerFormWindowManagerInterface>
+
+#include <QtCore/QString>
+#include <QtCore/QCoreApplication>
+#include <QtGui/QGroupBox>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QFormLayout>
+#include <QtGui/QComboBox>
+
+QT_BEGIN_NAMESPACE
+
+typedef QList<int> IntList;
+
+namespace qdesigner_internal {
+
+// Zoom, currently for preview only
+class ZoomSettingsWidget : public QGroupBox {
+    Q_DISABLE_COPY(ZoomSettingsWidget)
+public:
+    explicit ZoomSettingsWidget(QWidget *parent = 0);
+
+    void fromSettings(const QDesignerSharedSettings &s);
+    void toSettings(QDesignerSharedSettings &s) const;
+
+private:
+    QComboBox *m_zoomCombo;
+};
+
+ZoomSettingsWidget::ZoomSettingsWidget(QWidget *parent) :
+    QGroupBox(parent),
+    m_zoomCombo(new QComboBox)
+{
+    m_zoomCombo->setEditable(false);
+    const IntList zoomValues = ZoomMenu::zoomValues();
+    const IntList::const_iterator cend = zoomValues.constEnd();
+    //: Zoom percentage
+    for (IntList::const_iterator it = zoomValues.constBegin(); it != cend; ++it)
+        m_zoomCombo->addItem(QCoreApplication::translate("FormEditorOptionsPage", "%1 %").arg(*it), QVariant(*it));
+
+    // Layout
+    setCheckable(true);
+    setTitle(QCoreApplication::translate("FormEditorOptionsPage", "Preview Zoom"));
+    QFormLayout *lt = new QFormLayout;
+    lt->addRow(QCoreApplication::translate("FormEditorOptionsPage", "Default Zoom"), m_zoomCombo);
+    setLayout(lt);
+}
+
+void ZoomSettingsWidget::fromSettings(const QDesignerSharedSettings &s)
+{
+    setChecked(s.zoomEnabled());
+    const int idx = m_zoomCombo->findData(QVariant(s.zoom()));
+    m_zoomCombo->setCurrentIndex(qMax(0, idx));
+}
+
+void ZoomSettingsWidget::toSettings(QDesignerSharedSettings &s) const
+{
+    s.setZoomEnabled(isChecked());
+    const int zoom = m_zoomCombo->itemData(m_zoomCombo->currentIndex()).toInt();
+    s.setZoom(zoom);
+}
+
+
+
+// FormEditorOptionsPage:
+FormEditorOptionsPage::FormEditorOptionsPage(QDesignerFormEditorInterface *core)
+        : m_core(core)
+{
+}
+
+QString FormEditorOptionsPage::name() const
+{
+    //: Tab in preferences dialog
+    return QCoreApplication::translate("FormEditorOptionsPage", "Forms");
+}
+
+QWidget *FormEditorOptionsPage::createPage(QWidget *parent)
+{
+    QWidget *optionsWidget = new QWidget(parent);
+
+    const QDesignerSharedSettings settings(m_core);
+    m_previewConf = new PreviewConfigurationWidget(m_core);
+    m_zoomSettingsWidget = new ZoomSettingsWidget;
+    m_zoomSettingsWidget->fromSettings(settings);
+
+    m_defaultGridConf = new GridPanel();
+    m_defaultGridConf->setTitle(QCoreApplication::translate("FormEditorOptionsPage", "Default Grid"));
+    m_defaultGridConf->setGrid(settings.defaultGrid());
+
+    QVBoxLayout *optionsVLayout = new QVBoxLayout();
+    optionsVLayout->addWidget(m_defaultGridConf);
+    optionsVLayout->addWidget(m_previewConf);
+    optionsVLayout->addWidget(m_zoomSettingsWidget);
+    optionsVLayout->addStretch(1);
+
+    // Outer layout to give it horizontal stretch
+    QHBoxLayout *optionsHLayout = new QHBoxLayout();
+    optionsHLayout->addLayout(optionsVLayout);
+    optionsHLayout->addStretch(1);
+    optionsWidget->setLayout(optionsHLayout);
+
+    return optionsWidget;
+}
+
+void FormEditorOptionsPage::apply()
+{
+    QDesignerSharedSettings settings(m_core);
+    if (m_defaultGridConf) {
+        const Grid defaultGrid = m_defaultGridConf->grid();
+        settings.setDefaultGrid(defaultGrid);
+
+        FormWindowBase::setDefaultDesignerGrid(defaultGrid);
+        // Update grid settings in all existing form windows
+        QDesignerFormWindowManagerInterface *fwm = m_core->formWindowManager();
+        if (const int numWindows = fwm->formWindowCount()) {
+            for (int i = 0; i < numWindows; i++)
+                if (qdesigner_internal::FormWindowBase *fwb
+                        = qobject_cast<qdesigner_internal::FormWindowBase *>( fwm->formWindow(i)))
+                    if (!fwb->hasFormGrid())
+                        fwb->setDesignerGrid(defaultGrid);
+        }
+    }
+    if (m_previewConf) {
+        m_previewConf->saveState();
+    }
+
+    if (m_zoomSettingsWidget)
+        m_zoomSettingsWidget->toSettings(settings);
+}
+
+void FormEditorOptionsPage::finish()
+{
+}
+
+}
+
+QT_END_NAMESPACE