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authorBea Lam <bea.lam@nokia.com>2010-03-04 23:46:34 (GMT)
committerBea Lam <bea.lam@nokia.com>2010-03-04 23:46:34 (GMT)
commit81952293be3328dc2f62f557478042d1e8d04e0d (patch)
treef1d12875e61e6a530bb0f3abfde1e8e07203780c /src/declarative/graphicsitems/qdeclarativeitem.cpp
parent564baee7e729f1c6f766cecabc4fcc62291e0d0f (diff)
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Add mapFromItem() and mapToItem() in QDeclarativeItem.
Task-number: QT-2385
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeitem.cpp')
-rw-r--r--src/declarative/graphicsitems/qdeclarativeitem.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp
index 5014fd8..cb3f542 100644
--- a/src/declarative/graphicsitems/qdeclarativeitem.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp
@@ -43,6 +43,7 @@
#include "qdeclarativeitem.h"
#include "qdeclarativeevents_p_p.h"
+#include <private/qdeclarativeengine_p.h>
#include <qfxperf_p_p.h>
#include <qdeclarativeengine.h>
@@ -51,6 +52,7 @@
#include <qdeclarativeview.h>
#include <qdeclarativestategroup_p.h>
#include <qdeclarativecomponent.h>
+#include <qdeclarativeinfo.h>
#include <QDebug>
#include <QPen>
@@ -2162,6 +2164,58 @@ void QDeclarativeItem::setKeepMouseGrab(bool keep)
}
/*!
+ \qmlmethod object Item::mapFromItem(Item item, int x, int y)
+
+ Maps the point (\a x, \a y), which is in \a item's coordinate system, to
+ this item's coordinate system, and returns an object with \c x and \c y
+ properties matching the mapped cooordinate.
+
+ If \a item is a \c null value, this maps the point from the coordinate
+ system of the root QML view.
+*/
+QScriptValue QDeclarativeItem::mapFromItem(const QScriptValue &item, int x, int y) const
+{
+ QScriptValue sv = QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(this))->newObject();
+ QDeclarativeItem *itemObj = qobject_cast<QDeclarativeItem*>(item.toQObject());
+ if (!itemObj && !item.isNull()) {
+ qWarning().nospace() << "mapFromItem() given argument " << item.toString() << " which is neither null nor an Item";
+ return 0;
+ }
+
+ // If QGraphicsItem::mapFromItem() is called with 0, behaves the same as mapFromScene()
+ QPointF p = qobject_cast<QGraphicsItem*>(this)->mapFromItem(itemObj, x, y);
+ sv.setProperty("x", p.x());
+ sv.setProperty("y", p.y());
+ return sv;
+}
+
+/*!
+ \qmlmethod object Item::mapToItem(Item item, int x, int y)
+
+ Maps the point (\a x, \a y), which is in this item's coordinate system, to
+ \a item's coordinate system, and returns an object with \c x and \c y
+ properties matching the mapped cooordinate.
+
+ If \a item is a \c null value, this maps \a x and \a y to the coordinate
+ system of the root QML view.
+*/
+QScriptValue QDeclarativeItem::mapToItem(const QScriptValue &item, int x, int y) const
+{
+ QScriptValue sv = QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(this))->newObject();
+ QDeclarativeItem *itemObj = qobject_cast<QDeclarativeItem*>(item.toQObject());
+ if (!itemObj && !item.isNull()) {
+ qWarning().nospace() << "mapToItem() given argument " << item.toString() << " which is neither null nor an Item";
+ return 0;
+ }
+
+ // If QGraphicsItem::mapToItem() is called with 0, behaves the same as mapToScene()
+ QPointF p = qobject_cast<QGraphicsItem*>(this)->mapToItem(itemObj, x, y);
+ sv.setProperty("x", p.x());
+ sv.setProperty("y", p.y());
+ return sv;
+}
+
+/*!
\internal
This function emits the \e focusChanged signal.