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QFileDialog: save settings to FileDialog group instead of serialized

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The byte array serialization needed versioning, whereas a collection
of separate settings is more robust and accessible.

Task-number: QTBUG-36888
Change-Id: I790b1d7574707261923a7a33ccd8bcc596a69de5
Reviewed-by: David Faure <david.faure@kdab.com>
This commit is contained in:
Shawn Rutledge 2015-04-17 09:33:54 +02:00
parent 8fb881900c
commit 280084cf96
2 changed files with 120 additions and 35 deletions
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141
src/widgets/dialogs/qfiledialog.cpp
View File

@ -331,6 +331,7 @@ QT_BEGIN_INCLUDE_NAMESPACE
#ifdef Q_DEAD_CODE_FROM_QT4_WIN
#include <qwindowsstyle_p.h>
#endif
#include <QMetaEnum>
#include <qshortcut.h>
#ifdef Q_DEAD_CODE_FROM_QT4_MAC
#include <qmacstyle_mac_p.h>
@ -385,9 +386,8 @@ QFileDialog::QFileDialog(const QFileDialogArgs &args)
QFileDialog::~QFileDialog()
{
#ifndef QT_NO_SETTINGS
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
settings.beginGroup(QLatin1String("Qt"));
settings.setValue(QLatin1String("filedialog"), saveState());
Q_D(QFileDialog);
d->saveSettings();
#endif
}
@ -503,34 +503,7 @@ bool QFileDialog::restoreState(const QByteArray &state)
if (!d->usingWidgets())
return true;
if (!d->qFileDialogUi->splitter->restoreState(d->splitterState))
return false;
QList<int> list = d->qFileDialogUi->splitter->sizes();
if (list.count() >= 2 && (list.at(0) == 0 || list.at(1) == 0)) {
for (int i = 0; i < list.count(); ++i)
list[i] = d->qFileDialogUi->splitter->widget(i)->sizeHint().width();
d->qFileDialogUi->splitter->setSizes(list);
}
d->qFileDialogUi->sidebar->setUrls(d->sidebarUrls);
while (history.count() > 5)
history.pop_front();
setHistory(history);
QHeaderView *headerView = d->qFileDialogUi->treeView->header();
if (!headerView->restoreState(d->headerData))
return false;
QList<QAction*> actions = headerView->actions();
QAbstractItemModel *abstractModel = d->model;
#ifndef QT_NO_PROXYMODEL
if (d->proxyModel)
abstractModel = d->proxyModel;
#endif
int total = qMin(abstractModel->columnCount(QModelIndex()), actions.count() + 1);
for (int i = 1; i < total; ++i)
actions.at(i - 1)->setChecked(!headerView->isSectionHidden(i));
return true;
return d->restoreWidgetState(history, -1);
}
/*!
@ -2670,6 +2643,104 @@ void QFileDialog::accept()
}
}
#ifndef QT_NO_SETTINGS
void QFileDialogPrivate::saveSettings()
{
Q_Q(QFileDialog);
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
settings.beginGroup(QLatin1String("FileDialog"));
if (usingWidgets()) {
settings.setValue(QLatin1String("sidebarWidth"), qFileDialogUi->splitter->sizes().first());
settings.setValue(QLatin1String("shortcuts"), QUrl::toStringList(qFileDialogUi->sidebar->urls()));
settings.setValue(QLatin1String("treeViewHeader"), qFileDialogUi->treeView->header()->saveState());
}
QStringList historyUrls;
foreach (const QString &path, q->history())
historyUrls << QUrl::fromLocalFile(path).toString();
settings.setValue(QLatin1String("history"), historyUrls);
settings.setValue(QLatin1String("lastVisited"), lastVisitedDir()->toString());
const QMetaEnum &viewModeMeta = q->metaObject()->enumerator(q->metaObject()->indexOfEnumerator("ViewMode"));
settings.setValue(QLatin1String("viewMode"), QLatin1String(viewModeMeta.key(q->viewMode())));
settings.setValue(QLatin1String("qtVersion"), QLatin1String(QT_VERSION_STR));
}
bool QFileDialogPrivate::restoreFromSettings()
{
Q_Q(QFileDialog);
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
if (!settings.childGroups().contains(QLatin1String("FileDialog")))
return false;
settings.beginGroup(QLatin1String("FileDialog"));
q->setDirectoryUrl(lastVisitedDir()->isEmpty() ? settings.value(QLatin1String("lastVisited")).toUrl() : *lastVisitedDir());
QByteArray viewModeStr = settings.value(QLatin1String("viewMode")).toString().toLatin1();
const QMetaEnum &viewModeMeta = q->metaObject()->enumerator(q->metaObject()->indexOfEnumerator("ViewMode"));
bool ok = false;
int viewMode = viewModeMeta.keyToValue(viewModeStr.constData(), &ok);
if (!ok)
viewMode = QFileDialog::List;
q->setViewMode(static_cast<QFileDialog::ViewMode>(viewMode));
sidebarUrls = QUrl::fromStringList(settings.value(QLatin1String("shortcuts")).toStringList());
headerData = settings.value(QLatin1String("treeViewHeader")).toByteArray();
if (!usingWidgets())
return true;
QStringList history;
foreach (const QString &urlStr, settings.value(QLatin1String("history")).toStringList()) {
QUrl url(urlStr);
if (url.isLocalFile())
history << url.toLocalFile();
}
return restoreWidgetState(history, settings.value(QLatin1String("sidebarWidth"), -1).toInt());
}
#endif // QT_NO_SETTINGS
bool QFileDialogPrivate::restoreWidgetState(QStringList &history, int splitterPosition)
{
Q_Q(QFileDialog);
if (splitterPosition >= 0) {
QList<int> splitterSizes;
splitterSizes.append(splitterPosition);
splitterSizes.append(qFileDialogUi->splitter->widget(1)->sizeHint().width());
qFileDialogUi->splitter->setSizes(splitterSizes);
} else {
if (!qFileDialogUi->splitter->restoreState(splitterState))
return false;
QList<int> list = qFileDialogUi->splitter->sizes();
if (list.count() >= 2 && (list.at(0) == 0 || list.at(1) == 0)) {
for (int i = 0; i < list.count(); ++i)
list[i] = qFileDialogUi->splitter->widget(i)->sizeHint().width();
qFileDialogUi->splitter->setSizes(list);
}
}
qFileDialogUi->sidebar->setUrls(sidebarUrls);
while (history.count() > 5)
history.pop_front();
q->setHistory(history);
QHeaderView *headerView = qFileDialogUi->treeView->header();
if (!headerView->restoreState(headerData))
return false;
QList<QAction*> actions = headerView->actions();
QAbstractItemModel *abstractModel = model;
#ifndef QT_NO_PROXYMODEL
if (proxyModel)
abstractModel = proxyModel;
#endif
int total = qMin(abstractModel->columnCount(QModelIndex()), actions.count() + 1);
for (int i = 1; i < total; ++i)
actions.at(i - 1)->setChecked(!headerView->isSectionHidden(i));
return true;
}
/*!
\internal
@ -2696,8 +2767,12 @@ void QFileDialogPrivate::init(const QUrl &directory, const QString &nameFilter,
q->selectFile(initialSelection(directory));
#ifndef QT_NO_SETTINGS
// Try to restore from the FileDialog settings group; if it fails, fall back
// to the pre-5.5 QByteArray serialized settings.
if (!restoreFromSettings()) {
const QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
q->restoreState(settings.value(QLatin1String("Qt/filedialog")).toByteArray());
}
#endif
#if defined(Q_EMBEDDED_SMALLSCREEN)
@ -2845,8 +2920,12 @@ void QFileDialogPrivate::createWidgets()
createMenuActions();
#ifndef QT_NO_SETTINGS
// Try to restore from the FileDialog settings group; if it fails, fall back
// to the pre-5.5 QByteArray serialized settings.
if (!restoreFromSettings()) {
const QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
q->restoreState(settings.value(QLatin1String("Qt/filedialog")).toByteArray());
}
#endif
// Initial widget states from options

6
src/widgets/dialogs/qfiledialog_p.h
View File

@ -181,6 +181,12 @@ public:
#endif
}
#ifndef QT_NO_SETTINGS
void saveSettings();
bool restoreFromSettings();
#endif
bool restoreWidgetState(QStringList &history, int splitterPosition);
void setLastVisitedDirectory(const QUrl &dir);
void retranslateWindowTitle();
void retranslateStrings();