QmlDesigner: Add image cache

The image cache is saving images and icon of this images in a sqlite
database. If there are no images they are generated in the backgound.
The icons are fetched by item library.

Task-number: QDS-2782
Task-number: QDS-2783
Task-number: QDS-2858
Change-Id: I5a32cccfef7f8fd8eb78902605a09f5da18ce88e
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
index bfaff0eea8..1f54bffdbd 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
@@ -566,7 +566,7 @@ QRectF QuickItemNodeInstance::boundingRectWithStepChilds(QQuickItem *parentItem)
 
     boundingRect = boundingRect.united(QRectF(QPointF(0, 0), size()));
 
-    foreach (QQuickItem *childItem, parentItem->childItems()) {
+    for (QQuickItem *childItem : parentItem->childItems()) {
         if (!nodeInstanceServer()->hasInstanceForObject(childItem)) {
             QRectF transformedRect = childItem->mapRectToItem(parentItem, boundingRectWithStepChilds(childItem));
             if (isRectangleSane(transformedRect))
@@ -574,6 +574,9 @@ QRectF QuickItemNodeInstance::boundingRectWithStepChilds(QQuickItem *parentItem)
         }
     }
 
+    if (boundingRect.isEmpty())
+        QRectF{0, 0, 640, 480};
+
     return boundingRect;
 }