summaryrefslogtreecommitdiffstats
path: root/src/widgets/styles/qstyle_p.h
blob: 3da4c458d287361711a4c6a1f8c5a6946636a5d3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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