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[qt-creator-jp/qt-creator-jp.git] / src / plugins / qmldesigner / designercore / instances / rendernodeinstanceserver.cpp
1 /**************************************************************************
2 **
3 ** This file is part of Qt Creator
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10 ** GNU Lesser General Public License Usage
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13 ** License version 2.1 as published by the Free Software Foundation and
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32
33 #include "rendernodeinstanceserver.h"
34
35 #include "nodeinstanceclientinterface.h"
36
37 #include "pixmapchangedcommand.h"
38
39 #include <QDeclarativeView>
40 #include <QGraphicsItem>
41
42 #include <private/qgraphicsitem_p.h>
43
44 namespace QmlDesigner {
45
46 RenderNodeInstanceServer::RenderNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
47     NodeInstanceServer(nodeInstanceClient)
48 {
49 }
50
51 void RenderNodeInstanceServer::findItemChangesAndSendChangeCommands()
52 {
53     static bool inFunction = false;
54     if (!inFunction) {
55         inFunction = true;
56
57         bool adjustSceneRect = false;
58
59         if (delcarativeView()) {
60             foreach (QGraphicsItem *item, delcarativeView()->items()) {
61                 QGraphicsObject *graphicsObject = item->toGraphicsObject();
62                 if (graphicsObject && hasInstanceForObject(graphicsObject)) {
63                     ServerNodeInstance instance = instanceForObject(graphicsObject);
64                     QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(item);
65
66                     if((d->dirty && d->notifyBoundingRectChanged)|| (d->dirty) || nonInstanceChildIsDirty(graphicsObject))
67                         m_dirtyInstanceSet.insert(instance);
68
69                     if (d->geometryChanged) {
70                         if (instance.isRootNodeInstance())
71                             delcarativeView()->scene()->setSceneRect(item->boundingRect());
72                     }
73
74                 }
75             }
76
77             foreach (const InstancePropertyPair& property, changedPropertyList()) {
78                 const ServerNodeInstance instance = property.first;
79                 const QString propertyName = property.second;
80
81                 if (instance.isRootNodeInstance() && (propertyName == "width" || propertyName == "height"))
82                     adjustSceneRect = true;
83
84                 if (propertyName == "width" || propertyName == "height")
85                     m_dirtyInstanceSet.insert(instance);
86             }
87
88             clearChangedPropertyList();
89             resetAllItems();
90
91             if (!m_dirtyInstanceSet.isEmpty() && nodeInstanceClient()->bytesToWrite() < 10000) {
92                 nodeInstanceClient()->pixmapChanged(createPixmapChangedCommand(m_dirtyInstanceSet.toList()));
93                 m_dirtyInstanceSet.clear();
94             }
95
96             if (adjustSceneRect) {
97                 QRectF boundingRect = rootNodeInstance().boundingRect();
98                 if (boundingRect.isValid()) {
99                     delcarativeView()->setSceneRect(boundingRect);
100                 }
101             }
102
103             slowDownRenderTimer();
104             nodeInstanceClient()->flush();
105             nodeInstanceClient()->synchronizeWithClientProcess();
106         }
107
108         inFunction = false;
109     }
110 }
111
112 } // namespace QmlDesigner