examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h Wed Aug 18 10:37:55 2010 +0300
@@ -0,0 +1,217 @@
+/****************************************************************************
+**
+** 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
+