彻底改版2.0
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feiyangqingyun
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third/designer/lib/sdk/abstractformwindowmanager.cpp
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502
third/designer/lib/sdk/abstractformwindowmanager.cpp
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "abstractformwindowmanager.h"
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#include <QtCore/QMap>
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QT_BEGIN_NAMESPACE
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/*!
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\class QDesignerFormWindowManagerInterface
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\brief The QDesignerFormWindowManagerInterface class allows you to
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manipulate the collection of form windows in Qt Designer, and
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control Qt Designer's form editing actions.
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\inmodule QtDesigner
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QDesignerFormWindowManagerInterface is not intended to be
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instantiated directly. \QD uses the form window manager to
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control the various form windows in its workspace. You can
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retrieve an interface to \QD's form window manager using
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the QDesignerFormEditorInterface::formWindowManager()
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function. For example:
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\snippet doc/src/snippets/code/tools_designer_src_lib_sdk_abstractformwindowmanager.cpp 0
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When implementing a custom widget plugin, a pointer to \QD's
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current QDesignerFormEditorInterface object (\c formEditor in the
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example above) is provided by the
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QDesignerCustomWidgetInterface::initialize() function's parameter.
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You must subclass the QDesignerCustomWidgetInterface to expose
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your plugin to Qt Designer.
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The form window manager interface provides the createFormWindow()
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function that enables you to create a new form window which you
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can add to the collection of form windows that the manager
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maintains, using the addFormWindow() slot. It also provides the
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formWindowCount() function returning the number of form windows
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currently under the manager's control, the formWindow() function
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returning the form window associated with a given index, and the
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activeFormWindow() function returning the currently selected form
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window. The removeFormWindow() slot allows you to reduce the
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number of form windows the manager must maintain, and the
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setActiveFormWindow() slot allows you to change the form window
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focus in \QD's workspace.
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In addition, QDesignerFormWindowManagerInterface contains a
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collection of functions that enables you to intervene and control
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\QD's form editing actions. All these functions return the
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original action, making it possible to propagate the function
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further after intervention.
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Finally, the interface provides three signals which are emitted
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when a form window is added, when the currently selected form
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window changes, or when a form window is removed, respectively. All
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the signals carry the form window in question as their parameter.
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\sa QDesignerFormEditorInterface, QDesignerFormWindowInterface
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*/
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// ------------- QDesignerFormWindowManagerInterfacePrivate
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struct QDesignerFormWindowManagerInterfacePrivate {
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QDesignerFormWindowManagerInterfacePrivate();
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QAction *m_simplifyLayoutAction;
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QAction *m_formLayoutAction;
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};
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QDesignerFormWindowManagerInterfacePrivate::QDesignerFormWindowManagerInterfacePrivate() :
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m_simplifyLayoutAction(0),
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m_formLayoutAction(0)
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{
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}
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typedef QMap<const QDesignerFormWindowManagerInterface *, QDesignerFormWindowManagerInterfacePrivate *> FormWindowManagerPrivateMap;
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Q_GLOBAL_STATIC(FormWindowManagerPrivateMap, g_FormWindowManagerPrivateMap)
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/*!
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Constructs an interface with the given \a parent for the form window
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manager.
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*/
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QDesignerFormWindowManagerInterface::QDesignerFormWindowManagerInterface(QObject *parent)
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: QObject(parent)
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{
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g_FormWindowManagerPrivateMap()->insert(this, new QDesignerFormWindowManagerInterfacePrivate);
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}
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/*!
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Destroys the interface for the form window manager.
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*/
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QDesignerFormWindowManagerInterface::~QDesignerFormWindowManagerInterface()
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{
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FormWindowManagerPrivateMap *fwmpm = g_FormWindowManagerPrivateMap();
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const FormWindowManagerPrivateMap::iterator it = fwmpm->find(this);
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Q_ASSERT(it != fwmpm->end());
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delete it.value();
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fwmpm->erase(it);
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}
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/*!
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Allows you to intervene and control \QD's "cut" action. The function
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returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionCut() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "copy" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionCopy() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "paste" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionPaste() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "delete" action. The function
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returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionDelete() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "select all" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionSelectAll() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control the action of lowering a form
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window in \QD's workspace. The function returns the original
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action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionLower() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control the action of raising of a
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form window in \QD's workspace. The function returns the original
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action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionRaise() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control a request for horizontal
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layout for a form window in \QD's workspace. The function returns
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the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionHorizontalLayout() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control a request for vertical layout
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for a form window in \QD's workspace. The function returns the
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original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionVerticalLayout() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "split horizontal"
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action. The function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionSplitHorizontal() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "split vertical"
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action. The function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionSplitVertical() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control a request for grid layout for
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a form window in \QD's workspace. The function returns the
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original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionGridLayout() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "form layout" action. The
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function returns the original action.
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FormWindowManagerPrivateMap *fwmpm = g_FormWindowManagerPrivateMap(); \sa QAction
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\since 4.4
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*/
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QAction *QDesignerFormWindowManagerInterface::actionFormLayout() const
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{
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const QDesignerFormWindowManagerInterfacePrivate *d = g_FormWindowManagerPrivateMap()->value(this);
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Q_ASSERT(d);
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return d->m_formLayoutAction;
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}
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/*!
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Sets the "form layout" action to \a action.
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\internal
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\since 4.4
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*/
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void QDesignerFormWindowManagerInterface::setActionFormLayout(QAction *action)
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{
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QDesignerFormWindowManagerInterfacePrivate *d = g_FormWindowManagerPrivateMap()->value(this);
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Q_ASSERT(d);
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d->m_formLayoutAction = action;
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}
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/*!
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Allows you to intervene and control \QD's "break layout" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionBreakLayout() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "adjust size" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionAdjustSize() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "simplify layout" action. The
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function returns the original action.
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\sa QAction
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\since 4.4
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*/
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QAction *QDesignerFormWindowManagerInterface::actionSimplifyLayout() const
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{
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const QDesignerFormWindowManagerInterfacePrivate *d = g_FormWindowManagerPrivateMap()->value(this);
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Q_ASSERT(d);
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return d->m_simplifyLayoutAction;
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}
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/*!
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Sets the "simplify layout" action to \a action.
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\internal
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\since 4.4
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*/
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void QDesignerFormWindowManagerInterface::setActionSimplifyLayout(QAction *action)
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{
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QDesignerFormWindowManagerInterfacePrivate *d = g_FormWindowManagerPrivateMap()->value(this);
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Q_ASSERT(d);
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d->m_simplifyLayoutAction = action;
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}
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/*!
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Returns the currently active form window in \QD's workspace.
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\sa setActiveFormWindow(), removeFormWindow()
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*/
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QDesignerFormWindowInterface *QDesignerFormWindowManagerInterface::activeFormWindow() const
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{
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return 0;
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}
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/*!
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Returns a pointer to \QD's current QDesignerFormEditorInterface
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object.
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*/
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QDesignerFormEditorInterface *QDesignerFormWindowManagerInterface::core() const
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{
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return 0;
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}
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/*!
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Adds the given \a formWindow to the collection of windows that
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\QD's form window manager maintains.
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\sa formWindowAdded()
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*/
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void QDesignerFormWindowManagerInterface::addFormWindow(QDesignerFormWindowInterface *formWindow)
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{
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Q_UNUSED(formWindow);
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}
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/*!
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Removes the given \a formWindow from the collection of windows that
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\QD's form window manager maintains.
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\sa formWindow(), formWindowRemoved()
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*/
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void QDesignerFormWindowManagerInterface::removeFormWindow(QDesignerFormWindowInterface *formWindow)
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{
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Q_UNUSED(formWindow);
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}
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/*!
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Sets the given \a formWindow to be the currently active form window in
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\QD's workspace.
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\sa activeFormWindow(), activeFormWindowChanged()
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*/
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void QDesignerFormWindowManagerInterface::setActiveFormWindow(QDesignerFormWindowInterface *formWindow)
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{
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Q_UNUSED(formWindow);
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}
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/*!
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Returns the number of form windows maintained by \QD's form window
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manager.
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*/
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int QDesignerFormWindowManagerInterface::formWindowCount() const
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{
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return 0;
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}
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/*!
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Returns the form window at the given \a index.
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\sa setActiveFormWindow(), removeFormWindow()
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*/
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QDesignerFormWindowInterface *QDesignerFormWindowManagerInterface::formWindow(int index) const
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{
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Q_UNUSED(index);
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return 0;
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}
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/*!
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\fn QDesignerFormWindowInterface *QDesignerFormWindowManagerInterface::createFormWindow(QWidget *parent, Qt::WindowFlags flags)
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Creates a form window with the given \a parent and the given window
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\a flags.
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\sa addFormWindow()
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*/
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QDesignerFormWindowInterface *QDesignerFormWindowManagerInterface::createFormWindow(QWidget *parentWidget, Qt::WindowFlags flags)
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{
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Q_UNUSED(parentWidget);
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Q_UNUSED(flags);
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "undo" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionUndo() const
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{
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return 0;
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}
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/*!
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Allows you to intervene and control \QD's "redo" action. The
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function returns the original action.
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\sa QAction
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*/
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QAction *QDesignerFormWindowManagerInterface::actionRedo() const
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{
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return 0;
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}
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/*!
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\fn void QDesignerFormWindowManagerInterface::formWindowAdded(QDesignerFormWindowInterface *formWindow)
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This signal is emitted when a new form window is added to the
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collection of windows that \QD's form window manager maintains. A
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pointer to the new \a formWindow is passed as an argument.
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\sa addFormWindow(), setActiveFormWindow()
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*/
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/*!
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\fn void QDesignerFormWindowManagerInterface::formWindowRemoved(QDesignerFormWindowInterface *formWindow)
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This signal is emitted when a form window is removed from the
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collection of windows that \QD's form window manager maintains. A
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pointer to the removed \a formWindow is passed as an argument.
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\sa removeFormWindow()
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*/
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/*!
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\fn void QDesignerFormWindowManagerInterface::activeFormWindowChanged(QDesignerFormWindowInterface *formWindow)
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This signal is emitted when the contents of the currently active
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form window in \QD's workspace changed. A pointer to the currently
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active \a formWindow is passed as an argument.
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\sa activeFormWindow()
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*/
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/*!
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\fn void QDesignerFormWindowManagerInterface::dragItems(const QList<QDesignerDnDItemInterface*> &item_list)
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\internal
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*/
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QT_END_NAMESPACE
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