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# qdecoration_qws.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QDECORATION_QWS_H
    00043 #define QDECORATION_QWS_H
    00044
    00045 #include <QtGui/qregion.h>
    00046 #include <QtGui/qwidget.h>
    00047 #include <QtGui/qaction.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Gui)
    00054
    00055 class QPopupMenu;
    00056 class QMenu;
    00057
    00058 #ifndef QT_NO_ACTION
    00059 class QDecorationAction : public QAction
    00060 {
    00061 public:
    00062     QDecorationAction(const QString &text, QObject* parent, int region)
    00063         : QAction(text, parent), reg(region) {}
    00064     int reg;
    00065 };
    00066 #endif // QT_NO_ACTION
    00067
    00068 /*
    00069  Implements decoration styles
    00070 */
    00071 class Q_GUI_EXPORT QDecoration
    00072 {
    00073 public:
    00074     QDecoration() {}
    00075     virtual ~QDecoration() {}
    00076
    00077     /* AABBBBBBBBBBCC   Items in DecorationRegion:
    00078        AijjjjjjjklmnC
    00079        A            C   A = TopLeft      B = Top        C = TopRight
    00080        D            E   D = Left                        E = Right
    00081        D            E   F = BottomLeft   H = Bottom     G = BottomRight
    00082        F            G   i = Menu         j = Title      k = Help
    00083        FFHHHHHHHHHHGG   l = Minimize     m = Maximize   n = Close
    00084
    00085     */
    00086
    00087     enum DecorationRegion {
    00088         None        = 0x0000000000, All      = 0x7fffffff,
    00089         TopLeft     = 0x0000000001, Top      = 0x0000000002, TopRight    = 0x0000000004,
    00090         Left        = 0x0000000008,                          Right       = 0x0000000010,
    00091         BottomLeft  = 0x0000000020, Bottom   = 0x0000000040, BottomRight = 0x0000000080,
    00092         Borders     = 0x00000000ff,
    00093         Menu        = 0x0000000100, Title    = 0x0000000200, Help        = 0x0000000400,
    00094         Minimize    = 0x0000000800, Maximize = 0x0000001000, Normalize   = 0x0000002000,
    00095         Close       = 0x0000004000, Move     = 0x0000008000, Resize      = 0x0000010000
    00096     };
    00097
    00098     enum DecorationState { Normal = 0x04, Disabled = 0x08, Hover = 0x01, Pressed = 0x02 };
    00099
    00100     virtual QRegion region(const QWidget *w, const QRect &rect, int decorationRegion = All ) = 0;
    00101     QRegion region(const QWidget *w, int decorationRegion = All )
    00102     { return region(w, w->rect(), decorationRegion); }
    00103     virtual int regionAt(const QWidget *w, const QPoint &point);
    00104
    00105     virtual void regionClicked(QWidget *widget, int region);
    00106     virtual void regionDoubleClicked(QWidget *widget, int region);
    00107 #ifndef QT_NO_MENU
    00108     virtual void buildSysMenu(QWidget *widget, QMenu *menu);
    00109     void menuTriggered(QWidget *widget, QAction *action);
    00110 #endif
    00111
    00112     static void startMove(QWidget *widget);
    00113     static void startResize(QWidget *widget);
    00114
    00115     virtual bool paint(QPainter *p, const QWidget *w, int decorationRegion = All,
    00116                        DecorationState state = Normal) = 0;
    00117
    00118 };
    00119
    00120 QT_END_NAMESPACE
    00121
    00122 QT_END_HEADER
    00123
    00124 #endif // QDECORATION_QWS_H