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author | Jason Barron <jbarron@trolltech.com> | 2009-08-20 14:58:58 (GMT) |
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committer | Jason Barron <jbarron@trolltech.com> | 2009-08-20 14:58:58 (GMT) |
commit | 851a858fcd28c35dff2ffbeffdb40f7ee69f45b4 (patch) | |
tree | f76f604982f127af7ef66d904038cdfa705ff3af /doc/src/howtos | |
parent | efea248b4b725ca429793874eb168ad4b43c7994 (diff) | |
parent | c0b24b7ce12387aff6e74b05b4060c61a58d87e0 (diff) | |
download | Qt-851a858fcd28c35dff2ffbeffdb40f7ee69f45b4.zip Qt-851a858fcd28c35dff2ffbeffdb40f7ee69f45b4.tar.gz Qt-851a858fcd28c35dff2ffbeffdb40f7ee69f45b4.tar.bz2 |
Merge commit 'qt/master'
Conflicts:
examples/painting/svgviewer/files/bubbles.svg
src/corelib/kernel/qobject.cpp
src/network/kernel/qhostinfo.cpp
tests/auto/qhostinfo/tst_qhostinfo.cpp
Diffstat (limited to 'doc/src/howtos')
-rw-r--r-- | doc/src/howtos/restoring-geometry.qdoc | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/doc/src/howtos/restoring-geometry.qdoc b/doc/src/howtos/restoring-geometry.qdoc index c9e6f4f..cc6f3e1 100644 --- a/doc/src/howtos/restoring-geometry.qdoc +++ b/doc/src/howtos/restoring-geometry.qdoc @@ -45,25 +45,28 @@ \ingroup best-practices - This document describes how to save and restore a window's - geometry using the geometry properties. On Windows, this is - basically storing the result of QWidget::geometry() and calling - QWidget::setGeometry() in the next session before calling - \l{QWidget::show()}{show()}. + This document describes how to save and restore a \l{Window + Geometry}{window's geometry} using the geometry properties. On + Windows, this is basically storing the result of + QWidget::geometry() and calling QWidget::setGeometry() in the next + session before calling \l{QWidget::show()}{show()}. - On X11, this won't work because an invisible window doesn't have - a frame yet. The window manager will decorate the window later. - When this happens, the window shifts towards the bottom/right - corner of the screen depending on the size of the decoration frame. - Although X provides a way to avoid this shift, most window managers - fail to implement this feature. + On X11, this might not work because an invisible window does not + have a frame yet. The window manager will decorate the window + later. When this happens, the window shifts towards the + bottom/right corner of the screen depending on the size of the + decoration frame. Although X provides a way to avoid this shift, + some window managers fail to implement this feature. Since version 4.2, Qt provides functions that saves and restores a window's geometry and state for you. QWidget::saveGeometry() saves the window geometry and maximized/fullscreen state, while QWidget::restoreGeometry() restores it. The restore function also checks if the restored geometry is outside the available screen - geometry, and modifies it as appropriate if it is. + geometry, and modifies it as appropriate if it is: + + \snippet doc/src/snippets/code/src_gui_widgets_qmainwindow.cpp 0 + \snippet doc/src/snippets/code/src_gui_widgets_qmainwindow.cpp 1 If those functions are not available or cannot be used, then a workaround is to call \l{QWidget::setGeometry()}{setGeometry()} @@ -74,14 +77,6 @@ \l{QWidget::pos()}{pos()} and \l{QWidget::size()}{size()} and to restore the geometry using \l{QWidget::resize()} and \l{QWidget::move()}{move()} before calling - \l{QWidget::show()}{show()}, as demonstrated in the following - code snippets (from the \l{mainwindows/application}{Application} - example): - - \snippet examples/mainwindows/application/mainwindow.cpp 35 - \codeline - \snippet examples/mainwindows/application/mainwindow.cpp 38 - - This method works on Windows, Mac OS X, and most X11 window - managers. + \l{QWidget::show()}{show()}, as demonstrated in the + \l{mainwindows/application}{Application} example. */ |