summaryrefslogtreecommitdiffstats
path: root/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h
blob: ca2cedcfbb4d3701233c5b460cd777f1c12a7eed (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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef GRIDLAYOUT_H
#define GRIDLAYOUT_H

#include <qdeclarative.h>

#include <QGraphicsGridLayout>
#include <QGraphicsLayoutItem>

class GridLayoutAttached;
class GraphicsGridLayoutObject : public QObject, public QGraphicsGridLayout
{
    Q_OBJECT
    Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)

    Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
    Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)
    Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)
    Q_PROPERTY(qreal verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
    Q_PROPERTY(qreal horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
    Q_CLASSINFO("DefaultProperty", "children")

public:
    GraphicsGridLayoutObject(QObject * = 0);
    ~GraphicsGridLayoutObject();

    QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }

    qreal spacing() const;
    qreal contentsMargin() const;
    void setContentsMargin(qreal);

    void removeAt(int index);

    static GridLayoutAttached *qmlAttachedProperties(QObject *);

private slots:
    void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);

private:
    friend class GraphicsLayoutAttached;

    void addWidget(QGraphicsWidget *);
    void clearChildren();
    void addLayoutItem(QGraphicsLayoutItem *);

    static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
        static_cast<GraphicsGridLayoutObject*>(prop->object)->addLayoutItem(item);
    }

    static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
        static_cast<GraphicsGridLayoutObject*>(prop->object)->clearChildren();
    }

    static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
        return static_cast<GraphicsGridLayoutObject*>(prop->object)->count();
    }

    static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
        return static_cast<GraphicsGridLayoutObject*>(prop->object)->itemAt(index);
    }

    static QHash<QGraphicsLayoutItem*, GridLayoutAttached*> attachedProperties;
};


class GridLayoutAttached : public QObject
{
    Q_OBJECT

    Q_PROPERTY(int row READ row WRITE setRow)
    Q_PROPERTY(int column READ column WRITE setColumn)

    Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan)
    Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan)
    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)

    Q_PROPERTY(int rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor)
    Q_PROPERTY(int columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor)
    Q_PROPERTY(int rowSpacing READ rowSpacing WRITE setRowSpacing)
    Q_PROPERTY(int columnSpacing READ columnSpacing WRITE setColumnSpacing)

    Q_PROPERTY(int rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight)
    Q_PROPERTY(int rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight)
    Q_PROPERTY(int rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight)
    Q_PROPERTY(int rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight)

    Q_PROPERTY(int columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth)
    Q_PROPERTY(int columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth)
    Q_PROPERTY(int columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth)
    Q_PROPERTY(int columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth)

public:
    GridLayoutAttached(QObject *parent);

    int row() const { return m_row; }
    void setRow(int r) { m_row = r; }

    int column() const { return m_column; }
    void setColumn(int c) { m_column = c; }

    int rowSpan() const { return m_rowspan; }
    void setRowSpan(int rs) { m_rowspan = rs; }

    int columnSpan() const { return m_colspan; }
    void setColumnSpan(int cs) { m_colspan = cs; }

    Qt::Alignment alignment() const { return m_alignment; }
    void setAlignment(Qt::Alignment a);

    int rowStretchFactor() const { return m_rowStretch; }
    void setRowStretchFactor(int f) { m_rowStretch = f; }
    int columnStretchFactor() const { return m_colStretch; }
    void setColumnStretchFactor(int f) { m_colStretch = f; }

    int rowSpacing() const { return m_rowSpacing; }
    void setRowSpacing(int s) { m_rowSpacing = s; }
    int columnSpacing() const { return m_colSpacing; }
    void setColumnSpacing(int s) { m_colSpacing = s; }

    int rowPreferredHeight() const { return m_rowPrefHeight; }
    void setRowPreferredHeight(int s) { m_rowPrefHeight = s; }

    int rowMaximumHeight() const { return m_rowMaxHeight; }
    void setRowMaximumHeight(int s) { m_rowMaxHeight = s; }

    int rowMinimumHeight() const { return m_rowMinHeight; }
    void setRowMinimumHeight(int s) { m_rowMinHeight = s; }

    int rowFixedHeight() const { return m_rowFixHeight; }
    void setRowFixedHeight(int s) { m_rowFixHeight = s; }

    int columnPreferredWidth() const { return m_colPrefwidth; }
    void setColumnPreferredWidth(int s) { m_colPrefwidth = s; }

    int columnMaximumWidth() const { return m_colMaxwidth; }
    void setColumnMaximumWidth(int s) { m_colMaxwidth = s; }

    int columnMinimumWidth() const { return m_colMinwidth; }
    void setColumnMinimumWidth(int s) { m_colMinwidth = s; }

    int columnFixedWidth() const { return m_colFixwidth; }
    void setColumnFixedWidth(int s) { m_colFixwidth = s; }

signals:
    void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment);

private:
    int m_row;
    int m_column;

    int m_rowspan;
    int m_colspan;
    Qt::Alignment m_alignment;

    int m_rowStretch;
    int m_colStretch;
    int m_rowSpacing;
    int m_colSpacing;

    int m_rowPrefHeight;
    int m_rowMaxHeight;
    int m_rowMinHeight;
    int m_rowFixHeight;

    int m_colPrefwidth;
    int m_colMaxwidth;
    int m_colMinwidth;
    int m_colFixwidth;
};

QML_DECLARE_INTERFACE(QGraphicsLayoutItem)
QML_DECLARE_INTERFACE(QGraphicsLayout)
QML_DECLARE_TYPE(GraphicsGridLayoutObject)
QML_DECLARE_TYPEINFO(GraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES)

#endif