summaryrefslogtreecommitdiffstats
path: root/src/gui/styles/qstylesheetstyle_p.h
blob: ad92e57c91d1b5f7f1f03b3325281e70eeb72c75 (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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSTYLESHEETSTYLE_P_H
#define QSTYLESHEETSTYLE_P_H

#include "QtGui/qwindowsstyle.h"

#ifndef QT_NO_STYLE_STYLESHEET

#include "QtGui/qstyleoption.h"
#include "QtCore/qhash.h"
#include "QtGui/qevent.h"
#include "QtCore/qvector.h"
#include "QtGui/qapplication.h"
#include "private/qcssparser_p.h"
#include "QtGui/qbrush.h"

QT_BEGIN_NAMESPACE

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

class QRenderRule;
class QAbstractScrollArea;
class QStyleSheetStylePrivate;
class QStyleOptionTitleBar;

class Q_AUTOTEST_EXPORT QStyleSheetStyle : public QWindowsStyle
{
    typedef QWindowsStyle ParentStyle;

    Q_OBJECT
public:
    QStyleSheetStyle(QStyle *baseStyle);
    ~QStyleSheetStyle();

    void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
                            const QWidget *w = 0) const;
    void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
                     const QWidget *w = 0) const;
    void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;
    void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,
              bool enabled, const QString& text, QPalette::ColorRole textRole  = QPalette::NoRole) const;
    void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
                       const QWidget *w = 0) const;
    QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
                                const QStyleOption *option) const;
    SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
                                     const QPoint &pt, const QWidget *w = 0) const;
    QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const;
    QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled,
                       const QString &text) const;
    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
    void polish(QWidget *widget);
    void polish(QApplication *app);
    void polish(QPalette &pal);
    QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
                           const QSize &contentsSize, const QWidget *widget = 0) const;
    QPalette standardPalette() const;
    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = 0,
                           const QWidget *w = 0 ) const;
    int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
                          Qt::Orientation orientation, const QStyleOption *option = 0,
                          const QWidget *widget = 0) const;
    int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,
                  QStyleHintReturn *shret = 0) const;
    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
                         const QWidget *w = 0) const;

    // These functions are called from QApplication/QWidget. Be careful.
    QStyle *baseStyle() const;
    void repolish(QWidget *widget);
    void repolish(QApplication *app);

    void unpolish(QWidget *widget);
    void unpolish(QApplication *app);

    QStyle *base;
    void ref() { ++refcount; }
    void deref() { Q_ASSERT(refcount > 0); if (!--refcount) delete this; }

    void updateStyleSheetFont(QWidget* w) const;
    void saveWidgetFont(QWidget* w, const QFont& font) const;
    void clearWidgetFont(QWidget* w) const;

    bool focusPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal);

protected Q_SLOTS:
    QIcon standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *opt = 0,
                                     const QWidget *widget = 0) const;
    int layoutSpacingImplementation(QSizePolicy::ControlType control1,
                                    QSizePolicy::ControlType control2,
                                    Qt::Orientation orientation,
                                    const QStyleOption *option = 0,
                                    const QWidget *widget = 0) const;

protected:
    bool event(QEvent *e);

private Q_SLOTS:
    void widgetDestroyed(QObject *);

private:
    int refcount;

    friend class QRenderRule;
    int nativeFrameWidth(const QWidget *);
    QRenderRule renderRule(const QWidget *, int, quint64 = 0) const;
    QRenderRule renderRule(const QWidget *, const QStyleOption *, int = 0) const;
    QSize defaultSize(const QWidget *, QSize, const QRect&, int) const;
    QRect positionRect(const QWidget *, const QRenderRule&, const QRenderRule&, int,
                       const QRect&, Qt::LayoutDirection) const;
    QRect positionRect(const QWidget *w, const QRenderRule &rule2, int pe,
                       const QRect &originRect, Qt::LayoutDirection dir) const;

    mutable QCss::Parser parser;

    void setPalette(QWidget *);
    void unsetPalette(QWidget *);
    void setProperties(QWidget *);
    void setGeometry(QWidget *);
    QVector<QCss::StyleRule> styleRules(const QWidget *w) const;
    bool hasStyleRule(const QWidget *w, int part) const;

    QHash<QStyle::SubControl, QRect> titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const;

    QCss::StyleSheet getDefaultStyleSheet() const;

    static Qt::Alignment resolveAlignment(Qt::LayoutDirection, Qt::Alignment);
    static bool isNaturalChild(const QWidget *w);
    bool initWidget(const QWidget *w) const;
public:
    static int numinstances;

private:
    Q_DISABLE_COPY(QStyleSheetStyle)
    Q_DECLARE_PRIVATE(QStyleSheetStyle)
};


QT_END_NAMESPACE
#endif // QT_NO_STYLE_STYLESHEET
#endif // QSTYLESHEETSTYLE_P_H