summaryrefslogtreecommitdiff
path: root/tools/designer/src/components/propertyeditor/fontpropertymanager.h
blob: 0bf6427573d1ca005af1484298d4b8bf9da6574d (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
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef FONTPROPERTYMANAGER_H
#define FONTPROPERTYMANAGER_H

#include <QtCore/QMap>
#include <QtCore/QStringList>
#include <QtGui/QFont>

QT_BEGIN_NAMESPACE

class QtProperty;
class QtVariantPropertyManager;

class QString;
class QVariant;

namespace qdesigner_internal {

/* FontPropertyManager: A mixin for DesignerPropertyManager that manages font
 * properties. Adds an antialiasing subproperty and reset flags/mask handling
 * for the other subproperties. It also modifies the font family
 * enumeration names, which it reads from an XML mapping file that
 * contains annotations indicating the platform the font is available on. */

class FontPropertyManager {
    Q_DISABLE_COPY(FontPropertyManager)

public:
    FontPropertyManager();

    typedef QMap<QtProperty *, bool> ResetMap;
    typedef QMap<QString, QString> NameMap;

    // Call before QtVariantPropertyManager::initializeProperty.
    void preInitializeProperty(QtProperty *property, int type, ResetMap &resetMap);
    // Call after QtVariantPropertyManager::initializeProperty. This will trigger
    // a recursion for the sub properties
    void postInitializeProperty(QtVariantPropertyManager *vm, QtProperty *property, int type, int enumTypeId);

    bool uninitializeProperty(QtProperty *property);

    // Call from  QtPropertyManager's propertyDestroyed signal
    void slotPropertyDestroyed(QtProperty *property);

    bool resetFontSubProperty(QtVariantPropertyManager *vm, QtProperty *subProperty);

    // Call from slotValueChanged().
    enum ValueChangedResult { NoMatch, Unchanged, Changed };
    ValueChangedResult valueChanged(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);

    // Call from setValue() before calling setValue() on  QtVariantPropertyManager.
    void setValue(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);

    static bool readFamilyMapping(NameMap *rc, QString *errorMessage);

private:
    typedef QMap<QtProperty *, QtProperty *> PropertyToPropertyMap;
    typedef QList<QtProperty *> PropertyList;
    typedef QMap<QtProperty *, PropertyList>  PropertyToSubPropertiesMap;

    void removeAntialiasingProperty(QtProperty *);
    void updateModifiedState(QtProperty *property, const QVariant &value);
    static int antialiasingToIndex(QFont::StyleStrategy antialias);
    static QFont::StyleStrategy indexToAntialiasing(int idx);
    static unsigned fontFlag(int idx);

    PropertyToPropertyMap m_propertyToAntialiasing;
    PropertyToPropertyMap m_antialiasingToProperty;

    PropertyToSubPropertiesMap m_propertyToFontSubProperties;
    QMap<QtProperty *, int> m_fontSubPropertyToFlag;
    PropertyToPropertyMap m_fontSubPropertyToProperty;
    QtProperty *m_createdFontProperty;
    QStringList m_aliasingEnumNames;
    // Font families with Designer annotations
    QStringList m_designerFamilyNames;
    NameMap m_familyMappings;
};

}

QT_END_NAMESPACE

#endif // FONTPROPERTYMANAGER_H