Qt 4.8
livelayeritem.cpp
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41 
42 #include "livelayeritem.h"
43 
44 #include "../qmlinspectorconstants.h"
45 
46 #include <QGraphicsScene>
47 
48 namespace QmlJSDebugger {
49 
51  : QGraphicsObject()
52 {
53  scene->addItem(this);
54  setZValue(1);
56 }
57 
59 {
60 }
61 
62 void LiveLayerItem::paint(QPainter * /*painter*/, const QStyleOptionGraphicsItem * /*option*/,
63  QWidget * /*widget*/)
64 {
65 }
66 
68 {
70 }
71 
73 {
74  return childrenBoundingRect();
75 }
76 
78 {
79  return findAllChildItems(this);
80 }
81 
83 {
84  QList<QGraphicsItem*> itemList(item->childItems());
85 
86  foreach (QGraphicsItem *childItem, item->childItems())
87  itemList += findAllChildItems(childItem);
88 
89  return itemList;
90 }
91 
92 } // namespace QmlJSDebugger
The QPainter class performs low-level painting on widgets and other paint devices.
Definition: qpainter.h:86
The QGraphicsScene class provides a surface for managing a large number of 2D graphical items...
QRectF childrenBoundingRect() const
Returns the bounding rect of this item&#39;s descendants (i.e., its children, their children, etc.) in local coordinates.
QList< QGraphicsItem * > childItems() const
Returns a list of this item&#39;s children.
The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.
Definition: qgraphicsitem.h:89
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget=0)
This function, which is usually called by QGraphicsView, paints the contents of an item in local coor...
void addItem(QGraphicsItem *item)
Adds or moves the item and all its childen to this scene.
LiveLayerItem(QGraphicsScene *scene)
void setZValue(qreal z)
Sets the Z-value of the item to z.
The QRectF class defines a rectangle in the plane using floating point precision. ...
Definition: qrect.h:511
int type() const
Returns the type of an item as an int.
QRectF boundingRect() const
This pure virtual function defines the outer bounds of the item as a rectangle; all painting must be ...
The QGraphicsObject class provides a base class for all graphics items that require signals...
void setFlag(GraphicsItemFlag flag, bool enabled=true)
If enabled is true, the item flag flag is enabled; otherwise, it is disabled.
The QStyleOptionGraphicsItem class is used to describe the parameters needed to draw a QGraphicsItem...
Definition: qstyleoption.h:867
QList< QGraphicsItem * > findAllChildItems() const
The QList class is a template class that provides lists.
Definition: qdatastream.h:62