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/****************************************************************************
**
** Copyright (C) 2013 Ivan Vizir <define-true-false@yandex.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWinExtras module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINTHUMBNAILTOOLBAR_P_H
#define QWINTHUMBNAILTOOLBAR_P_H
#include "qwinthumbnailtoolbar.h"
#include <QtCore/QHash>
#include <QtCore/QList>
#include <QtGui/QIcon>
#include <QtGui/QPixmap>
#include <QtCore/QAbstractNativeEventFilter>
#include "winshobjidl_p.h"
QT_BEGIN_NAMESPACE
class QWinThumbnailToolBarPrivate : public QObject, QAbstractNativeEventFilter
{
public:
class IconicPixmapCache
{
public:
IconicPixmapCache() : m_bitmap(0) {}
~IconicPixmapCache() { deleteBitmap(); }
operator bool() const { return !m_pixmap.isNull(); }
QPixmap pixmap() const { return m_pixmap; }
bool setPixmap(const QPixmap &p);
HBITMAP bitmap(const QSize &maxSize);
private:
void deleteBitmap();
QPixmap m_pixmap;
QSize m_size;
HBITMAP m_bitmap;
};
QWinThumbnailToolBarPrivate();
~QWinThumbnailToolBarPrivate();
void initToolbar();
void clearToolbar();
void _q_updateToolbar();
void _q_scheduleUpdate();
bool eventFilter(QObject *, QEvent *) Q_DECL_OVERRIDE;
virtual bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) Q_DECL_OVERRIDE;
static void initButtons(THUMBBUTTON *buttons);
static int makeNativeButtonFlags(const QWinThumbnailToolButton *button);
static int makeButtonMask(const QWinThumbnailToolButton *button);
static QString msgComFailed(const char *function, HRESULT hresult);
bool updateScheduled;
QList<QWinThumbnailToolButton *> buttonList;
QWindow *window;
ITaskbarList4 * const pTbList;
IconicPixmapCache iconicThumbnail;
IconicPixmapCache iconicLivePreview;
private:
bool hasHandle() const;
HWND handle() const;
void updateIconicPixmapsEnabled(bool invalidate);
void updateIconicThumbnail(const MSG *message);
void updateIconicLivePreview(const MSG *message);
QWinThumbnailToolBar *q_ptr;
Q_DECLARE_PUBLIC(QWinThumbnailToolBar)
bool withinIconicThumbnailRequest;
bool withinIconicLivePreviewRequest;
};
QT_END_NAMESPACE
#endif // QWINTHUMBNAILTOOLBAR_P_H
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