summaryrefslogtreecommitdiffstats
path: root/src/declarative/fx/qfxanchors.h
blob: 5a8cc1a455137972777c1c0534700320a8767e15 (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
192
193
194
195
196
197
198
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative 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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QFXANCHORS_H
#define QFXANCHORS_H

#include <qfxglobal.h>
#include <QObject>
#include <qml.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)
class QFxItem;
class QFxAnchorsPrivate;

class QFxAnchorLine
{
public:
    QFxAnchorLine() : item(0), anchorLine(Left)
    {
    }

    enum AnchorLine {
        Left = 0x01,
        Right = 0x02,
        Top = 0x04,
        Bottom = 0x08,
        HCenter = 0x10,
        VCenter = 0x20,
        Baseline = 0x40,
        Horizontal_Mask = Left | Right | HCenter,
        Vertical_Mask = Top | Bottom | VCenter | Baseline
    };

    QFxItem *item;
    AnchorLine anchorLine;
};

Q_DECLARE_METATYPE(QFxAnchorLine);

class Q_DECLARATIVE_EXPORT QFxAnchors : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QFxAnchorLine left READ left WRITE setLeft RESET resetLeft);
    Q_PROPERTY(QFxAnchorLine right READ right WRITE setRight RESET resetRight);
    Q_PROPERTY(QFxAnchorLine horizontalCenter READ horizontalCenter WRITE setHorizontalCenter RESET resetHorizontalCenter);
    Q_PROPERTY(QFxAnchorLine top READ top WRITE setTop RESET resetTop);
    Q_PROPERTY(QFxAnchorLine bottom READ bottom WRITE setBottom RESET resetBottom);
    Q_PROPERTY(QFxAnchorLine verticalCenter READ verticalCenter WRITE setVerticalCenter RESET resetVerticalCenter);
    Q_PROPERTY(int leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged);
    Q_PROPERTY(int rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged);
    Q_PROPERTY(int horizontalCenterOffset READ horizontalCenterOffset WRITE setHorizontalCenterOffset NOTIFY horizontalCenterOffsetChanged());
    Q_PROPERTY(int topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged);
    Q_PROPERTY(int bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged);
    Q_PROPERTY(int verticalCenterOffset READ verticalCenterOffset WRITE setVerticalCenterOffset NOTIFY verticalCenterOffsetChanged());
    Q_PROPERTY(QFxItem *fill READ fill WRITE setFill);
    Q_PROPERTY(QFxItem *centeredIn READ centeredIn WRITE setCenteredIn);

public:
    QFxAnchors(QObject *parent=0);

    enum UsedAnchor { 
        HasLeftAnchor = 0x01,
        HasRightAnchor = 0x02,
        HasTopAnchor = 0x04,
        HasBottomAnchor = 0x08,
        HasHCenterAnchor = 0x10,
        HasVCenterAnchor = 0x20,
        HasBaselineAnchor = 0x40,
        Horizontal_Mask = HasLeftAnchor | HasRightAnchor | HasHCenterAnchor,
        Vertical_Mask = HasTopAnchor | HasBottomAnchor | HasVCenterAnchor | HasBaselineAnchor
    };
    Q_DECLARE_FLAGS(UsedAnchors, UsedAnchor);

    QFxAnchorLine left() const;
    void setLeft(const QFxAnchorLine &edge);
    Q_INVOKABLE void resetLeft();   //### temporarily invokable for testing

    QFxAnchorLine right() const;
    void setRight(const QFxAnchorLine &edge);
    void resetRight();

    QFxAnchorLine horizontalCenter() const;
    void setHorizontalCenter(const QFxAnchorLine &edge);
    void resetHorizontalCenter();

    QFxAnchorLine top() const;
    void setTop(const QFxAnchorLine &edge);
    void resetTop();

    QFxAnchorLine bottom() const;
    void setBottom(const QFxAnchorLine &edge);
    void resetBottom();

    QFxAnchorLine verticalCenter() const;
    void setVerticalCenter(const QFxAnchorLine &edge);
    void resetVerticalCenter();

    int leftMargin() const;
    void setLeftMargin(int);

    int rightMargin() const;
    void setRightMargin(int);

    int horizontalCenterOffset() const;
    void setHorizontalCenterOffset(int);

    int topMargin() const;
    void setTopMargin(int);

    int bottomMargin() const;
    void setBottomMargin(int);

    int verticalCenterOffset() const;
    void setVerticalCenterOffset(int);

    QFxItem *fill() const;
    void setFill(QFxItem *);

    QFxItem *centeredIn() const;
    void setCenteredIn(QFxItem *);

    UsedAnchors usedAnchors() const;

    void setItem(QFxItem *item);

    void connectHAnchors();
    void connectVAnchors();

Q_SIGNALS:
    void leftMarginChanged();
    void rightMarginChanged();
    void topMarginChanged();
    void bottomMarginChanged();
    void verticalCenterOffsetChanged();
    void horizontalCenterOffsetChanged();

private Q_SLOTS:
    void fillChanged();
    void updateHorizontalAnchors();
    void updateVerticalAnchors();

private:
    //### should item be a friend? (and make some of the public methods private or protected)
    Q_DISABLE_COPY(QFxAnchors)
    Q_DECLARE_PRIVATE(QFxAnchors)
};

QML_DECLARE_TYPE(QFxAnchors);


QT_END_NAMESPACE

QT_END_HEADER
#endif