summaryrefslogtreecommitdiffstats
path: root/src/declarative/widgets/graphicswidgets.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/widgets/graphicswidgets.cpp')
-rw-r--r--src/declarative/widgets/graphicswidgets.cpp173
1 files changed, 173 insertions, 0 deletions
diff --git a/src/declarative/widgets/graphicswidgets.cpp b/src/declarative/widgets/graphicswidgets.cpp
new file mode 100644
index 0000000..cfcc87b
--- /dev/null
+++ b/src/declarative/widgets/graphicswidgets.cpp
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "graphicswidgets.h"
+
+QT_BEGIN_NAMESPACE
+
+//### the single (default) property could alternatively be added to graphics view directly
+class QGraphicsViewDeclarativeUI : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(QGraphicsScene *scene READ scene WRITE setScene)
+ Q_CLASSINFO("DefaultProperty", "scene")
+public:
+ QGraphicsViewDeclarativeUI(QObject *other) : QObject(other) {}
+
+ QGraphicsScene *scene() const { return static_cast<QGraphicsView *>(parent())->scene(); }
+ void setScene(QGraphicsScene *scene)
+ {
+ static_cast<QGraphicsView *>(parent())->setScene(scene);
+ }
+};
+
+class QGraphicsSceneDeclarativeUI : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(QmlList<QObject *> *children READ children)
+ Q_CLASSINFO("DefaultProperty", "children")
+public:
+ QGraphicsSceneDeclarativeUI(QObject *other) : QObject(other), _children(other) {}
+
+ QmlList<QObject *> *children() { return &_children; }
+
+private:
+ class Children : public QmlConcreteList<QObject *>
+ {
+ public:
+ Children(QObject *scene) : q(scene) {}
+ virtual void append(QObject *o)
+ {
+ insert(-1, o);
+ }
+ virtual void clear()
+ {
+ for (int i = 0; i < count(); ++i)
+ if (QGraphicsWidget *w = qobject_cast<QGraphicsWidget *>(at(i)))
+ static_cast<QGraphicsScene *>(q)->removeItem(w);
+ QmlConcreteList<QObject *>::clear();
+ }
+ virtual void removeAt(int i)
+ {
+ if (QGraphicsWidget *w = qobject_cast<QGraphicsWidget *>(at(i)))
+ static_cast<QGraphicsScene *>(q)->removeItem(w);
+ QmlConcreteList<QObject *>::removeAt(i);
+ }
+ virtual void insert(int i, QObject *o)
+ {
+ QmlConcreteList<QObject *>::insert(i, o);
+
+ //XXX are there any cases when insertion should be different from appension?
+ if (QGraphicsWidget *w = qobject_cast<QGraphicsWidget *>(o))
+ static_cast<QGraphicsScene *>(q)->addItem(w);
+ //else if (QWidget *w = qobject_cast<QWidget *>(o))
+ // static_cast<QGraphicsScene *>(q)->addWidget(w);
+ //else
+ // qWarning() << "Can't add" << o << "to a QGraphicsScene";
+ }
+ private:
+ QObject *q;
+ };
+ Children _children;
+};
+
+class QGraphicsWidgetDeclarativeUI : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(QmlList<QObject *> *data READ data)
+ Q_PROPERTY(QmlList<QGraphicsItem *> *children READ children)
+ Q_PROPERTY(QGraphicsLayout *layout READ layout WRITE setLayout)
+ Q_CLASSINFO("DefaultProperty", "children")
+public:
+ QGraphicsWidgetDeclarativeUI(QObject *other) : QObject(other), _widgets(this) {}
+
+ QmlList<QObject *> *data() { return &_data; }
+
+ QmlList<QGraphicsItem *> *children() { return &_widgets; }
+
+ QGraphicsLayout *layout() const { return static_cast<QGraphicsWidget *>(parent())->layout(); }
+ void setLayout(QGraphicsLayout *lo)
+ {
+ static_cast<QGraphicsWidget *>(parent())->setLayout(lo);
+ }
+
+private:
+ friend class WidgetList;
+ void setItemParent(QGraphicsItem *wid)
+ {
+ wid->setParentItem(static_cast<QGraphicsWidget *>(parent()));
+ }
+
+ //###
+ void clearWidget()
+ {
+ }
+
+ class WidgetList : public QmlConcreteList<QGraphicsItem *>
+ {
+ public:
+ WidgetList(QGraphicsWidgetDeclarativeUI *o)
+ : obj(o) {}
+
+ virtual void append(QGraphicsItem *w) { QmlConcreteList<QGraphicsItem *>::append(w); obj->setItemParent(w); }
+ virtual void clear() { QmlConcreteList<QGraphicsItem *>::clear(); obj->clearWidget(); }
+ virtual void removeAt(int i) { QmlConcreteList<QGraphicsItem *>::removeAt(i); } //XXX
+ virtual void insert(int i, QGraphicsItem *item) { QmlConcreteList<QGraphicsItem *>::insert(i, item); obj->setItemParent(item); }
+
+ private:
+ QGraphicsWidgetDeclarativeUI *obj;
+ };
+ WidgetList _widgets;
+ QmlConcreteList<QObject *> _data;
+};
+
+QML_DEFINE_EXTENDED_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,QGraphicsView,QGraphicsView,QGraphicsViewDeclarativeUI)
+QML_DEFINE_EXTENDED_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,QGraphicsScene,QGraphicsScene,QGraphicsSceneDeclarativeUI)
+QML_DEFINE_EXTENDED_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,QGraphicsWidget,QGraphicsWidget,QGraphicsWidgetDeclarativeUI)
+
+QML_DEFINE_INTERFACE(QGraphicsItem)
+
+QT_END_NAMESPACE
+
+#include "graphicswidgets.moc"