diff options
| author | Alexander Volkov <a.volkov@rusbitech.ru> | 2016-11-08 15:54:43 +0300 |
|---|---|---|
| committer | Alexander Volkov <a.volkov@rusbitech.ru> | 2016-11-12 10:40:42 +0000 |
| commit | 1c080465659af269775908bb249159152d563b89 (patch) | |
| tree | 51e929429cfa0f3ee755a2c99ee0eb5bd5b954da /src/widgets | |
| parent | 2265fbe7c12cbb1f98fad8b4bb878d571427000c (diff) | |
doc: Remove obsolete note for QWidget::paintEvent()
qt_x11_set_global_double_buffer() is dead code since Qt 5.
Change-Id: Ie9a33b6f03dc2e39f12bc790292bb0d227f05c44
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/widgets')
| -rw-r--r-- | src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp | 8 | ||||
| -rw-r--r-- | src/widgets/kernel/qwidget.cpp | 5 |
2 files changed, 0 insertions, 13 deletions
diff --git a/src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp b/src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp index 53cd907c74..b26f791d37 100644 --- a/src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp +++ b/src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp @@ -127,11 +127,3 @@ setUpdatesEnabled(false); bigVisualChanges(); setUpdatesEnabled(true); //! [13] - - -//! [14] -... -extern void qt_x11_set_global_double_buffer(bool); -qt_x11_set_global_double_buffer(false); -... -//! [14] diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index b2db4e1529..53b39e0394 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -9597,11 +9597,6 @@ void QWidget::leaveEvent(QEvent *) Since Qt 4.0, QWidget automatically double-buffers its painting, so there is no need to write double-buffering code in paintEvent() to avoid flicker. - \b{Note for the X11 platform}: It is possible to toggle global double - buffering by calling \c qt_x11_set_global_double_buffer(). For example, - - \snippet code/src_gui_kernel_qwidget.cpp 14 - \note Generally, you should refrain from calling update() or repaint() \b{inside} a paintEvent(). For example, calling update() or repaint() on children inside a paintevent() results in undefined behavior; the child may |