Qt Reference Documentation

# colorswatch.h Example File

demos/mainwindow/colorswatch.h

     /****************************************************************************
     **
     ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the demonstration applications of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** GNU Lesser General Public License Usage
     ** 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.
     **
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     ** rights. These rights are described in the Nokia Qt LGPL Exception
     ** version 1.1, 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
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     ** Alternatively, this file may be used in accordance with the terms and
     ** conditions contained in a signed written agreement between you and Nokia.
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     #ifndef COLORSWATCH_H
     #define COLORSWATCH_H

     #include <QDockWidget>

     QT_FORWARD_DECLARE_CLASS(QAction)
     QT_FORWARD_DECLARE_CLASS(QActionGroup)
     QT_FORWARD_DECLARE_CLASS(QMenu)

     class ColorSwatch : public QDockWidget
     {
         Q_OBJECT

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

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

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

         QAction *changeSizeHintsAction;

         QMenu *tabMenu;
         QMenu *splitHMenu;
         QMenu *splitVMenu;

         QAction *windowModifiedAction;

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

         QMenu *menu;
         void setCustomSizeHint(const QSize &size);

     protected:
         virtual void contextMenuEvent(QContextMenuEvent *event);
         virtual void resizeEvent(QResizeEvent *e);

     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 changeVerticalTitleBar(bool on);
         void updateContextMenu();

         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);

         void splitInto(QAction *action);
         void tabInto(QAction *action);
     };

     class BlueTitleBar : public QWidget
     {
         Q_OBJECT
     public:
         BlueTitleBar(QWidget *parent = 0);

         QSize sizeHint() const { return minimumSizeHint(); }
         QSize minimumSizeHint() const;
     protected:
         void paintEvent(QPaintEvent *event);
         void mousePressEvent(QMouseEvent *event);
     public slots:
         void updateMask();

     private:
         QPixmap leftPm, centerPm, rightPm;
     };

     #endif