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Diffstat (limited to 'src/quick/doc/src/appdevguide/porting.qdoc')
| -rw-r--r-- | src/quick/doc/src/appdevguide/porting.qdoc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/quick/doc/src/appdevguide/porting.qdoc b/src/quick/doc/src/appdevguide/porting.qdoc index 2f2788034b..eb1bb63db9 100644 --- a/src/quick/doc/src/appdevguide/porting.qdoc +++ b/src/quick/doc/src/appdevguide/porting.qdoc @@ -73,6 +73,20 @@ for examples. Graphics View framework backend used in QtQuick 1. \endlist +\section 2 Behavioral Changes + +There are many behavioral changes caused in the transition and you should thoroughly test your applications after +porting. These changes will not necessarily lead to run-time errors, but may break certain assumptions in your code. +Here is a list of some more prominent changes: + +\list +\li The input handling details of \l{Item::}{opacity} and \l{Item::}{visible} have changed. An opacity of zero no +longer affects input handling, where previously it stopped mouse input. A visibility of false no longer affects +keyboard input, but still stops mouse input. The new \l{Item::}{enabled} property stops mouse and keyboard input, but does not affect how or whether +the item is rendered. A workaround for applying the old behavior in most cases is to bind enabled to (visible && +opacity > 0.0). +\endlist + \section2 Changes to experimental Qt.labs modules \list |