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feiyangqingyun
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designer/form/mainwindow.h
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187
designer/form/mainwindow.h
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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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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QtGui/QMainWindow>
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#include <QtCore/QList>
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#include <QtGui/QMdiArea>
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QT_BEGIN_NAMESPACE
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class QDesignerActions;
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class QDesignerWorkbench;
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class QDesignerToolWindow;
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class QDesignerFormWindow;
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class QDesignerSettings;
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class QtToolBarManager;
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class QToolBar;
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class QMdiArea;
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class QMenu;
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class QByteArray;
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class QMimeData;
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/* A main window that has a configureable policy on handling close events. If
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* enabled, it can forward the close event to external handlers.
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* Base class for windows that can switch roles between tool windows
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* and main windows. */
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class MainWindowBase: public QMainWindow
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{
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Q_DISABLE_COPY(MainWindowBase)
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Q_OBJECT
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protected:
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explicit MainWindowBase(QWidget *parent = 0, Qt::WindowFlags flags = Qt::Window);
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public:
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enum CloseEventPolicy {
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/* Always accept close events */
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AcceptCloseEvents,
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/* Emit a signal with the event, have it handled elsewhere */
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EmitCloseEventSignal };
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CloseEventPolicy closeEventPolicy() const { return m_policy; }
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void setCloseEventPolicy(CloseEventPolicy pol) { m_policy = pol; }
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static QList<QToolBar *> createToolBars(const QDesignerActions *actions, bool singleToolBar);
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static QString mainWindowTitle();
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// Use the minor Qt version as settings versions to avoid conflicts
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static int settingsVersion();
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signals:
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void closeEventReceived(QCloseEvent *e);
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protected:
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virtual void closeEvent(QCloseEvent *e);
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private:
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CloseEventPolicy m_policy;
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};
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/* An MdiArea that listens for desktop file manager file drop events and emits
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* a signal to open a dropped file. */
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class DockedMdiArea : public QMdiArea
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{
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Q_DISABLE_COPY(DockedMdiArea)
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Q_OBJECT
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public:
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explicit DockedMdiArea(const QString &extension, QWidget *parent = 0);
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signals:
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void fileDropped(const QString &);
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protected:
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bool event (QEvent *event);
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private:
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QStringList uiFiles(const QMimeData *d) const;
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const QString m_extension;
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};
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// Convenience class that manages a QtToolBarManager and an action to trigger
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// it on a mainwindow.
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class ToolBarManager : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY(ToolBarManager)
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public:
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explicit ToolBarManager(QMainWindow *configureableMainWindow,
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QWidget *parent,
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QMenu *toolBarMenu,
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const QDesignerActions *actions,
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const QList<QToolBar *> &toolbars,
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const QList<QDesignerToolWindow*> &toolWindows);
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QByteArray saveState(int version = 0) const;
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bool restoreState(const QByteArray &state, int version = 0);
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private slots:
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void configureToolBars();
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void updateToolBarMenu();
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private:
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QMainWindow *m_configureableMainWindow;
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QWidget *m_parent;
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QMenu *m_toolBarMenu;
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QtToolBarManager *m_manager;
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QAction *m_configureAction;
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QList<QToolBar *> m_toolbars;
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};
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/* Main window to be used for docked mode */
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class DockedMainWindow : public MainWindowBase {
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Q_OBJECT
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Q_DISABLE_COPY(DockedMainWindow)
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public:
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typedef QList<QDesignerToolWindow*> DesignerToolWindowList;
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typedef QList<QDockWidget *> DockWidgetList;
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explicit DockedMainWindow(QDesignerWorkbench *wb,
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QMenu *toolBarMenu,
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const DesignerToolWindowList &toolWindows);
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// Create a MDI subwindow for the form.
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QMdiSubWindow *createMdiSubWindow(QWidget *fw, Qt::WindowFlags f, const QKeySequence &designerCloseActionShortCut);
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QMdiArea *mdiArea() const;
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DockWidgetList addToolWindows(const DesignerToolWindowList &toolWindows);
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void restoreSettings(const QDesignerSettings &s, const DockWidgetList &dws, const QRect &desktopArea);
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void saveSettings(QDesignerSettings &) const;
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signals:
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void fileDropped(const QString &);
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void formWindowActivated(QDesignerFormWindow *);
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private slots:
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void slotSubWindowActivated(QMdiSubWindow*);
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private:
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ToolBarManager *m_toolBarManager;
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};
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QT_END_NAMESPACE
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#endif // MAINWINDOW_H
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