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| author | Martin Jones <martin.jones@nokia.com> | 2011-03-17 04:24:50 (GMT) |
|---|---|---|
| committer | Martin Jones <martin.jones@nokia.com> | 2011-03-17 04:59:25 (GMT) |
| commit | 82a53835a71a8e1902774c67e792bf6d7d6385de (patch) | |
| tree | 2ee7954d5c0951a41d833a0b0106cbc185fe620f | |
| parent | 50c0c6a032ef2c0af8c93f52f5c2f86ca145e852 (diff) | |
| download | Qt-82a53835a71a8e1902774c67e792bf6d7d6385de.zip Qt-82a53835a71a8e1902774c67e792bf6d7d6385de.tar.gz Qt-82a53835a71a8e1902774c67e792bf6d7d6385de.tar.bz2 | |
QDeclarativeView flickers when composited on MeeGo
Set Qt::WA_OpaquePaintEvent and Qt::WA_NoSystemBackground for
QDeclarativeView on meego.
Change-Id: I301d2381ae831485d205ff42b0c15b3fa7a73424
Task-number: QTBUG-17173
Reviewed-by: Michael Brasser
| -rw-r--r-- | doc/src/declarative/qdeclarativeperformance.qdoc | 11 | ||||
| -rw-r--r-- | src/declarative/declarative.pro | 2 | ||||
| -rw-r--r-- | src/declarative/util/qdeclarativeview.cpp | 7 |
3 files changed, 20 insertions, 0 deletions
diff --git a/doc/src/declarative/qdeclarativeperformance.qdoc b/doc/src/declarative/qdeclarativeperformance.qdoc index 36b4878..6760869 100644 --- a/doc/src/declarative/qdeclarativeperformance.qdoc +++ b/doc/src/declarative/qdeclarativeperformance.qdoc @@ -136,4 +136,15 @@ The QML Viewer uses the raster graphics system by default for X11 and OS X. It a includes a \c -opengl command line option which sets a QGLWidget as the viewport of the view. On OS X, a QGLWidget is always used. +You can also prevent QDeclarativeView from painting its window background if +you will provide the background of your application using QML, e.g. + +\code +QDeclarativeView window; +window.setAttribute(Qt::WA_OpaquePaintEvent); +window.setAttribute(Qt::WA_NoSystemBackground); +window.viewport()->setAttribute(Qt::WA_OpaquePaintEvent); +window.viewport()->setAttribute(Qt::WA_NoSystemBackground); +\endcode + */ diff --git a/src/declarative/declarative.pro b/src/declarative/declarative.pro index 1ad888b..f3a7db9 100644 --- a/src/declarative/declarative.pro +++ b/src/declarative/declarative.pro @@ -29,6 +29,8 @@ symbian: { LIBS += -lefsrv } +linux-g++-maemo:DEFINES += QDECLARATIVEVIEW_NOBACKGROUND + DEFINES += QT_NO_OPENTYPE INCLUDEPATH += ../3rdparty/harfbuzz/src diff --git a/src/declarative/util/qdeclarativeview.cpp b/src/declarative/util/qdeclarativeview.cpp index c2e5efe..13880c2 100644 --- a/src/declarative/util/qdeclarativeview.cpp +++ b/src/declarative/util/qdeclarativeview.cpp @@ -293,6 +293,13 @@ void QDeclarativeViewPrivate::init() q->setFocusPolicy(Qt::StrongFocus); q->scene()->setStickyFocus(true); //### needed for correct focus handling + +#ifdef QDECLARATIVEVIEW_NOBACKGROUND + q->setAttribute(Qt::WA_OpaquePaintEvent); + q->setAttribute(Qt::WA_NoSystemBackground); + q->viewport()->setAttribute(Qt::WA_OpaquePaintEvent); + q->viewport()->setAttribute(Qt::WA_NoSystemBackground); +#endif } /*! |