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Diffstat (limited to 'src/widgets/styles/qstyle_p.h')
-rw-r--r-- | src/widgets/styles/qstyle_p.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/widgets/styles/qstyle_p.h b/src/widgets/styles/qstyle_p.h new file mode 100644 index 0000000000..dfb0e95731 --- /dev/null +++ b/src/widgets/styles/qstyle_p.h @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module 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. +** +** In addition, as a special exception, Nokia gives you certain additional +** 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 +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSTYLE_P_H +#define QSTYLE_P_H + +#include "private/qobject_p.h" +#include <QtWidgets/qstyle.h> + +QT_BEGIN_NAMESPACE + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of qstyle_*.cpp. This header file may change from version to version +// without notice, or even be removed. +// +// We mean it. +// + +// Private class + +class QStyle; + +class QStylePrivate: public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QStyle) +public: + inline QStylePrivate() + : layoutSpacingIndex(-1), proxyStyle(0) {} + mutable int layoutSpacingIndex; + QStyle *proxyStyle; +}; + + +#define BEGIN_STYLE_PIXMAPCACHE(a) \ + QRect rect = option->rect; \ + QPixmap internalPixmapCache; \ + QImage imageCache; \ + QPainter *p = painter; \ + QString unique = QStyleHelper::uniqueName((a), option, option->rect.size()); \ + int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \ + bool doPixmapCache = txType <= QTransform::TxTranslate; \ + if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \ + painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ + } else { \ + if (doPixmapCache) { \ + rect.setRect(0, 0, option->rect.width(), option->rect.height()); \ + imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \ + imageCache.fill(0); \ + p = new QPainter(&imageCache); \ + } + + + +#define END_STYLE_PIXMAPCACHE \ + if (doPixmapCache) { \ + p->end(); \ + delete p; \ + internalPixmapCache = QPixmap::fromImage(imageCache); \ + painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ + QPixmapCache::insert(unique, internalPixmapCache); \ + } \ + } + +QT_END_NAMESPACE + +#endif //QSTYLE_P_H |