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| author | Liang Qi <liang.qi@qt.io> | 2017-01-30 12:39:22 +0100 |
|---|---|---|
| committer | Liang Qi <liang.qi@qt.io> | 2017-01-30 12:46:20 +0100 |
| commit | 246799d8a7bf42c1f22fca7ef6d77e8d58054bad (patch) | |
| tree | a0b92a804d7d2a30cd68fa327df5777d8bcc36ba /src/widgets/doc/src/model-view-programming.qdoc | |
| parent | 5ad191850becd7dc1d61d0975f141a5db64e6373 (diff) | |
| parent | 02cc57f4edbae450ecfa8368052afa44f8aeee19 (diff) | |
Merge remote-tracking branch 'origin/5.8' into dev
Conflicts:
examples/network/network-chat/peermanager.cpp
src/widgets/util/qsystemtrayicon.cpp
src/widgets/util/qsystemtrayicon_qpa.cpp
src/widgets/util/qsystemtrayicon_win.cpp
src/widgets/util/qsystemtrayicon_x11.cpp
Change-Id: I1c026df83818c0ccaf956980370e7522960627db
Diffstat (limited to 'src/widgets/doc/src/model-view-programming.qdoc')
| -rw-r--r-- | src/widgets/doc/src/model-view-programming.qdoc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/widgets/doc/src/model-view-programming.qdoc b/src/widgets/doc/src/model-view-programming.qdoc index 84819e8c1a..f6b7c80656 100644 --- a/src/widgets/doc/src/model-view-programming.qdoc +++ b/src/widgets/doc/src/model-view-programming.qdoc @@ -2073,10 +2073,12 @@ model's structure, perhaps involving internal reorganization, sorting of data or any other structural change, it is necessary to perform the following sequence: + \list \li Emit the \l{QAbstractItemModel::layoutAboutToBeChanged()}{layoutAboutToBeChanged()} signal \li Update internal data which represents the structure of the model. \li Update persistent indexes using \l{QAbstractItemModel::changePersistentIndexList()}{changePersistentIndexList()} \li Emit the \l{QAbstractItemModel::layoutChanged()}{layoutChanged()} signal. + \endlist This sequence can be used for any structural update in lieu of the more high-level and convenient protected methods. For example, if a model of |