diff options
author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2019-05-16 15:17:12 +0200 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2019-05-21 11:26:22 +0200 |
commit | ea9469f2b6b7f78f66c22f391b80b3374a4737ba (patch) | |
tree | 6bf98285e9e7701a9b6f225c2b5b96d425f41211 /src/widgets/util/qcompleter.cpp | |
parent | 837c388dd3549c9bbab8916570440342d82fcdb3 (diff) |
QCompleter: Fix completion on QFileSystemModel
Fix the condition introduced by that determines whether
a completion is started on signal QFileSystemModel::directoryLoaded()
(introduced by 416ec00e7c859a844a5bcb24c7a31147aed974c / Qt 4).
Observe case sensitivity and the native separator and return true for
root directories.
Task-number: QTBUG-38014
Task-number: QTBUG-14292
Change-Id: Ie425c04d2df256248e84250ba777793a8106a738
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Diffstat (limited to 'src/widgets/util/qcompleter.cpp')
-rw-r--r-- | src/widgets/util/qcompleter.cpp | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/src/widgets/util/qcompleter.cpp b/src/widgets/util/qcompleter.cpp index 0daa4a4b41..e41f7e7573 100644 --- a/src/widgets/util/qcompleter.cpp +++ b/src/widgets/util/qcompleter.cpp @@ -976,18 +976,48 @@ void QCompleterPrivate::showPopup(const QRect& rect) popup->show(); } +#if QT_CONFIG(filesystemmodel) +static bool isRoot(const QFileSystemModel *model, const QString &path) +{ + const auto index = model->index(path); + return index.isValid() && model->fileInfo(index).isRoot(); +} + +static bool completeOnLoaded(const QFileSystemModel *model, + const QString &nativePrefix, + const QString &path, + Qt::CaseSensitivity caseSensitivity) +{ + const auto pathSize = path.size(); + const auto prefixSize = nativePrefix.size(); + if (prefixSize < pathSize) + return false; + const QString prefix = QDir::fromNativeSeparators(nativePrefix); + if (prefixSize == pathSize) + return path.compare(prefix, caseSensitivity) == 0 && isRoot(model, path); + // The user is typing something within that directory and is not in a subdirectory yet. + const auto separator = QLatin1Char('/'); + return prefix.startsWith(path, caseSensitivity) && prefix.at(pathSize) == separator + && !prefix.rightRef(prefixSize - pathSize - 1).contains(separator); +} + void QCompleterPrivate::_q_fileSystemModelDirectoryLoaded(const QString &path) { Q_Q(QCompleter); // Slot called when QFileSystemModel has finished loading. // If we hide the popup because there was no match because the model was not loaded yet, - // we re-start the completion when we get the results - if (hiddenBecauseNoMatch - && prefix.startsWith(path) && prefix != (path + QLatin1Char('/')) - && widget) { - q->complete(); + // we re-start the completion when we get the results (unless triggered by + // something else, see QTBUG-14292). + if (hiddenBecauseNoMatch && widget) { + if (auto model = qobject_cast<const QFileSystemModel *>(proxy->sourceModel())) { + if (completeOnLoaded(model, prefix, path, cs)) + q->complete(); + } } } +#else // QT_CONFIG(filesystemmodel) +void QCompleterPrivate::_q_fileSystemModelDirectoryLoaded(const QString &) {} +#endif /*! Constructs a completer object with the given \a parent. |