Long live Qt 4.5!

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diff --git a/src/gui/widgets/qtoolbutton.h b/src/gui/widgets/qtoolbutton.h
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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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTOOLBUTTON_H
+#define QTOOLBUTTON_H
+
+#include <QtGui/qabstractbutton.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_TOOLBUTTON
+
+class QToolButtonPrivate;
+class QMenu;
+class QStyleOptionToolButton;
+
+class Q_GUI_EXPORT QToolButton : public QAbstractButton
+{
+    Q_OBJECT
+    Q_ENUMS(Qt::ToolButtonStyle Qt::ArrowType ToolButtonPopupMode)
+#ifndef QT_NO_MENU
+    Q_PROPERTY(ToolButtonPopupMode popupMode READ popupMode WRITE setPopupMode)
+#endif
+    Q_PROPERTY(Qt::ToolButtonStyle toolButtonStyle READ toolButtonStyle WRITE setToolButtonStyle)
+    Q_PROPERTY(bool autoRaise READ autoRaise WRITE setAutoRaise)
+    Q_PROPERTY(Qt::ArrowType arrowType READ arrowType WRITE setArrowType)
+
+public:
+    enum ToolButtonPopupMode {
+        DelayedPopup,
+        MenuButtonPopup,
+        InstantPopup
+    };
+
+    explicit QToolButton(QWidget * parent=0);
+    ~QToolButton();
+
+    QSize sizeHint() const;
+    QSize minimumSizeHint() const;
+
+    Qt::ToolButtonStyle toolButtonStyle() const;
+
+    Qt::ArrowType arrowType() const;
+    void setArrowType(Qt::ArrowType type);
+
+#ifndef QT_NO_MENU
+    void setMenu(QMenu* menu);
+    QMenu* menu() const;
+
+    void setPopupMode(ToolButtonPopupMode mode);
+    ToolButtonPopupMode popupMode() const;
+#endif
+
+    QAction *defaultAction() const;
+
+    void setAutoRaise(bool enable);
+    bool autoRaise() const;
+
+public Q_SLOTS:
+#ifndef QT_NO_MENU
+    void showMenu();
+#endif
+    void setToolButtonStyle(Qt::ToolButtonStyle style);
+    void setDefaultAction(QAction *);
+
+Q_SIGNALS:
+    void triggered(QAction *);
+
+protected:
+    QToolButton(QToolButtonPrivate &, QWidget* parent);
+    bool event(QEvent *e);
+    void mousePressEvent(QMouseEvent *);
+    void mouseReleaseEvent(QMouseEvent *);
+    void paintEvent(QPaintEvent *);
+    void actionEvent(QActionEvent *);
+
+    void enterEvent(QEvent *);
+    void leaveEvent(QEvent *);
+    void timerEvent(QTimerEvent *);
+    void changeEvent(QEvent *);
+
+    bool hitButton(const QPoint &pos) const;
+    void nextCheckState();
+    void initStyleOption(QStyleOptionToolButton *option) const;
+
+private:
+    Q_DISABLE_COPY(QToolButton)
+    Q_DECLARE_PRIVATE(QToolButton)
+#ifndef QT_NO_MENU
+    Q_PRIVATE_SLOT(d_func(), void _q_buttonPressed())
+    Q_PRIVATE_SLOT(d_func(), void _q_updateButtonDown())
+    Q_PRIVATE_SLOT(d_func(), void _q_menuTriggered(QAction*))
+#endif
+    Q_PRIVATE_SLOT(d_func(), void _q_actionTriggered())
+
+#ifdef QT3_SUPPORT
+public:
+    enum TextPosition {
+        BesideIcon,
+        BelowIcon
+        , Right = BesideIcon,
+        Under = BelowIcon
+    };
+
+    QT3_SUPPORT_CONSTRUCTOR QToolButton(QWidget * parent, const char* name);
+    QT3_SUPPORT_CONSTRUCTOR QToolButton(Qt::ArrowType type, QWidget *parent, const char* name);
+    QT3_SUPPORT_CONSTRUCTOR QToolButton( const QIcon& s, const QString &textLabel,
+                                       const QString& grouptext,
+                                       QObject * receiver, const char* slot,
+                                       QWidget * parent, const char* name=0 );
+    inline QT3_SUPPORT void setPixmap(const QPixmap &pixmap) { setIcon(static_cast<QIcon>(pixmap)); }
+    QT3_SUPPORT void setOnIconSet(const QIcon&);
+    QT3_SUPPORT void setOffIconSet(const QIcon&);
+    inline QT3_SUPPORT void setIconSet(const QIcon &icon){setIcon(icon);}
+    QT3_SUPPORT void setIconSet(const QIcon &, bool on);
+    inline QT3_SUPPORT void setTextLabel(const QString &text, bool tooltip = true) {
+        setText(text);
+#ifndef QT_NO_TOOLTIP
+        if (tooltip)
+            setToolTip(text);
+#else
+        Q_UNUSED(tooltip);
+#endif
+    }
+    inline QT3_SUPPORT QString textLabel() const { return text(); }
+    QT3_SUPPORT QIcon onIconSet() const;
+    QT3_SUPPORT QIcon offIconSet() const;
+    QT3_SUPPORT QIcon iconSet(bool on) const;
+    inline QT3_SUPPORT QIcon iconSet() const { return icon(); }
+    inline QT3_SUPPORT void openPopup()  { showMenu(); }
+    inline QT3_SUPPORT void setPopup(QMenu* popup) {setMenu(popup); }
+    inline QT3_SUPPORT QMenu* popup() const { return menu(); }
+    inline QT3_SUPPORT bool usesBigPixmap() const { return iconSize().height() > 22; }
+    inline QT3_SUPPORT bool usesTextLabel() const { return toolButtonStyle() != Qt::ToolButtonIconOnly; }
+    inline QT3_SUPPORT TextPosition textPosition() const
+    { return toolButtonStyle() == Qt::ToolButtonTextUnderIcon ? BelowIcon : BesideIcon; }
+    QT3_SUPPORT void setPopupDelay(int delay);
+    QT3_SUPPORT int popupDelay() const;
+
+public Q_SLOTS:
+    QT_MOC_COMPAT void setUsesBigPixmap(bool enable)
+        { setIconSize(enable?QSize(32,32):QSize(22,22)); }
+    QT_MOC_COMPAT void setUsesTextLabel(bool enable)
+        { setToolButtonStyle(enable?Qt::ToolButtonTextUnderIcon : Qt::ToolButtonIconOnly); }
+    QT_MOC_COMPAT void setTextPosition(QToolButton::TextPosition pos)
+        { setToolButtonStyle(pos == BesideIcon ? Qt::ToolButtonTextBesideIcon : Qt::ToolButtonTextUnderIcon); }
+
+#endif
+};
+
+#endif // QT_NO_TOOLBUTTON
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTOOLBUTTON_H