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| author | Alan Alpert <alan.alpert@nokia.com> | 2012-07-19 11:05:30 +1000 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-07-20 03:43:09 +0200 |
| commit | b8c80243abc4f96e31243bf04dc29318fae61864 (patch) | |
| tree | af56503612279e2767c53f4b2028aec8cc29850d /src/quick/doc/src/appdevguide | |
| parent | bd618f62d8d796638ee72374a0fcdfd6c6b7aa97 (diff) | |
Mention opacity property change in porting.qdoc
Change-Id: I09343469bebcd7324ae1596d408cafea69c5dc60
Reviewed-by: Bea Lam <bea.lam@nokia.com>
Diffstat (limited to 'src/quick/doc/src/appdevguide')
| -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 |