Qt 4.0: colorswatch.h Example File (demos/mainwindow/colorswatch.h)

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# colorswatch.h Example File
demos/mainwindow/colorswatch.h

        /****************************************************************************
        **
        ** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 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 GNU
    ** General Public Licensing requirements will be met:
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    ** review the following information:
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        **
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        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        #ifndef COLORSWATCH_H
        #define COLORSWATCH_H

        #include <qdockwidget.h>

        class QAction;
        class QActionGroup;
        class QMenu;

        class ColorSwatch : public QDockWidget
        {
            Q_OBJECT

            QAction *closableAction;
            QAction *movableAction;
            QAction *floatableAction;
            QAction *floatingAction;

            QActionGroup *allowedAreasActions;
            QAction *allowLeftAction;
            QAction *allowRightAction;
            QAction *allowTopAction;
            QAction *allowBottomAction;

            QActionGroup *areaActions;
            QAction *leftAction;
            QAction *rightAction;
            QAction *topAction;
            QAction *bottomAction;

        public:
            ColorSwatch(const QString &colorName, QWidget *parent = 0, Qt::WFlags flags = 0);

            QMenu *menu;

        protected:
            virtual void contextMenuEvent(QContextMenuEvent *event);
            virtual bool event(QEvent *);

        private:
            void allow(Qt::DockWidgetArea area, bool allow);
            void place(Qt::DockWidgetArea area, bool place);

        private slots:
            void changeClosable(bool on);
            void changeMovable(bool on);
            void changeFloatable(bool on);
            void changeFloating(bool on);

            void allowLeft(bool a);
            void allowRight(bool a);
            void allowTop(bool a);
            void allowBottom(bool a);

            void placeLeft(bool p);
            void placeRight(bool p);
            void placeTop(bool p);
            void placeBottom(bool p);
        };

        #endif