/src/VBox/Frontends/VirtualBox/src/widgets/VBoxToolBar.h

  1/** @file
  2 *
  3 * VBox frontends: Qt GUI ("VirtualBox"):
  4 * VBoxToolBar class declaration & implementation
  5 */
  6
  7/*
  8 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
  9 *
 10 * This file is part of VirtualBox Open Source Edition (OSE), as
 11 * available from http://www.virtualbox.org. This file is free software;
 12 * you can redistribute it and/or modify it under the terms of the GNU
 13 * General Public License (GPL) as published by the Free Software
 14 * Foundation, in version 2 as it comes in the "COPYING" file of the
 15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 17 *
 18 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 19 * Clara, CA 95054 USA or visit http://www.sun.com if you need
 20 * additional information or have any questions.
 21 */
 22
 23#ifndef ___VBoxToolBar_h___
 24#define ___VBoxToolBar_h___
 25
 26#include <QGlobalStatic> /* for Q_WS_MAC */
 27#ifdef Q_WS_MAC
 28#include "VBoxUtils.h"
 29#endif
 30
 31/* Qt includes */
 32#include <QLayout>
 33#include <QMainWindow>
 34#include <QToolBar>
 35
 36/* Note: This styles are available on _all_ platforms. */
 37#include <QCleanlooksStyle>
 38#include <QWindowsStyle>
 39
 40/**
 41 *  The VBoxToolBar class is a simple QToolBar reimplementation to disable
 42 *  its built-in context menu and add some default behavior we need.
 43 */
 44class VBoxToolBar : public QToolBar
 45{
 46
 47public:
 48
 49    VBoxToolBar (QWidget *aParent)
 50        : QToolBar (aParent)
 51        , mMainWindow (qobject_cast <QMainWindow*> (aParent))
 52    {
 53        setFloatable (false);
 54        setMovable (false);
 55
 56        /* Remove that ugly frame panel around the toolbar.
 57         * Doing that currently for Cleanlooks & Windows styles. */
 58        if (qobject_cast <QCleanlooksStyle*> (QToolBar::style()) ||
 59            qobject_cast <QWindowsStyle*> (QToolBar::style()))
 60            setStyleSheet ("QToolBar { border: 0px none black; }");
 61
 62        if (layout())
 63            layout()->setContentsMargins (0, 0, 0, 0);;
 64
 65        setContextMenuPolicy (Qt::NoContextMenu);
 66    }
 67
 68#ifdef Q_WS_MAC
 69    void setMacToolbar()
 70    {
 71        if (mMainWindow)
 72        {
 73            mMainWindow->setUnifiedTitleAndToolBarOnMac (true);
 74#ifndef QT_MAC_USE_COCOA
 75            WindowRef window = ::darwinToNativeWindow (this);
 76            EventHandlerUPP eventHandler = ::NewEventHandlerUPP (VBoxToolBar::macEventFilter);
 77            EventTypeSpec eventTypes[2];
 78            eventTypes[0].eventClass = kEventClassMouse;
 79            eventTypes[0].eventKind  = kEventMouseDown;
 80            eventTypes[1].eventClass = kEventClassMouse;
 81            eventTypes[1].eventKind  = kEventMouseUp;
 82            InstallWindowEventHandler (window, eventHandler,
 83                                       RT_ELEMENTS (eventTypes), eventTypes,
 84                                       NULL, NULL);
 85#endif /* !QT_MAC_USE_COCOA */
 86        }
 87    }
 88
 89#ifndef QT_MAC_USE_COCOA
 90    static pascal OSStatus macEventFilter (EventHandlerCallRef aNextHandler,
 91                                           EventRef aEvent, void * /* aUserData */)
 92    {
 93        UInt32 eclass = GetEventClass (aEvent);
 94        if (eclass == kEventClassMouse)
 95        {
 96            WindowPartCode partCode;
 97            GetEventParameter (aEvent, kEventParamWindowPartCode, typeWindowPartCode, NULL, sizeof (WindowPartCode), NULL, &partCode);
 98            UInt32 ekind = GetEventKind (aEvent);
 99            if (partCode == 15 ||
100                partCode == 4)
101                if(ekind == kEventMouseDown || ekind == kEventMouseUp)
102                {
103                    EventMouseButton button = 0;
104                    GetEventParameter (aEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof (button), NULL, &button);
105                    if (button != kEventMouseButtonPrimary)
106                        return noErr;
107                }
108        }
109        return CallNextEventHandler (aNextHandler, aEvent);
110    }
111#endif /* !QT_MAC_USE_COCOA */
112
113    void setShowToolBarButton (bool aShow)
114    {
115        ::darwinSetShowsToolbarButton (this, aShow);
116    }
117#endif /* Q_WS_MAC */
118
119    void setUsesTextLabel (bool aEnable)
120    {
121        Qt::ToolButtonStyle tbs = Qt::ToolButtonTextUnderIcon;
122        if (!aEnable)
123            tbs = Qt::ToolButtonIconOnly;
124
125        if (mMainWindow)
126            mMainWindow->setToolButtonStyle (tbs);
127        else
128            setToolButtonStyle (tbs);
129    }
130
131private:
132
133    QMainWindow *mMainWindow;
134};
135
136#endif // !___VBoxToolBar_h___
137