plasma-framework/declarativeimports/graphicslayouts/gridlayout.h

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/****************************************************************************
**
** 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 <QtDeclarative/qdeclarative.h>
#include <QGraphicsGridLayout>
#include <QGraphicsLayoutItem>
#include <QDeclarativeListProperty>
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_TYPE(GraphicsGridLayoutObject)
QML_DECLARE_TYPEINFO(GraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES)
#endif