diff options
author | Alexander Volkov <a.volkov@rusbitech.ru> | 2014-09-10 18:09:55 +0400 |
---|---|---|
committer | Alexander Volkov <a.volkov@rusbitech.ru> | 2014-09-15 10:05:25 +0200 |
commit | 256df2484c62aebb9062dd2559399a136678a430 (patch) | |
tree | 4cce109a6ac65a53b9b981a2339ffd0b8bf5d1d4 /src/widgets/itemviews/qtreeview.cpp | |
parent | 0c748fb7b109244c03eebbceb400db53af95974c (diff) |
Make the default value of QTreeView::indentation() be style dependent
Add a new PM_TreeViewIndentaion enum value to QStyle and get
the corresponding pixel metric in QTreeView.
[ChangeLog][QtWidgets][QTreeView] Indentation is now style-dependent by default.
[ChangeLog][QtWidgets][QTreeView] Added resetIndentation().
Change-Id: Ifad7987b8f3c6cd32987b89d95390f33043d8f19
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Adam Majer <adamm@zombino.com>
Diffstat (limited to 'src/widgets/itemviews/qtreeview.cpp')
-rw-r--r-- | src/widgets/itemviews/qtreeview.cpp | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/widgets/itemviews/qtreeview.cpp b/src/widgets/itemviews/qtreeview.cpp index 3f952ff768..ae3994e30a 100644 --- a/src/widgets/itemviews/qtreeview.cpp +++ b/src/widgets/itemviews/qtreeview.cpp @@ -371,7 +371,9 @@ void QTreeView::setAutoExpandDelay(int delay) horizontal distance from the viewport edge to the items in the first column; for child items, it specifies their indentation from their parent items. - By default, this property has a value of 20. + By default, the value of this property is style dependent. Thus, when the style + changes, this property updates from it. Calling setIndentation() stops the updates, + calling resetIndentation() will restore default behavior. */ int QTreeView::indentation() const { @@ -382,12 +384,22 @@ int QTreeView::indentation() const void QTreeView::setIndentation(int i) { Q_D(QTreeView); - if (i != d->indent) { + if (!d->customIndent || (i != d->indent)) { d->indent = i; + d->customIndent = true; d->viewport->update(); } } +void QTreeView::resetIndentation() +{ + Q_D(QTreeView); + if (d->customIndent) { + d->updateIndentationFromStyle(); + d->customIndent = false; + } +} + /*! \property QTreeView::rootIsDecorated \brief whether to show controls for expanding and collapsing top-level items @@ -2081,6 +2093,12 @@ QModelIndex QTreeView::indexBelow(const QModelIndex &index) const void QTreeView::doItemsLayout() { Q_D(QTreeView); + if (!d->customIndent) { + // ### Qt 6: move to event() + // QAbstractItemView calls this method in case of a style change, + // so update the indentation here if it wasn't set manually. + d->updateIndentationFromStyle(); + } if (d->hasRemovedItems) { //clean the QSet that may contains old (and this invalid) indexes d->hasRemovedItems = false; @@ -3025,6 +3043,8 @@ bool QTreeView::isIndexHidden(const QModelIndex &index) const void QTreeViewPrivate::initialize() { Q_Q(QTreeView); + + updateIndentationFromStyle(); updateStyledFrameWidths(); q->setSelectionBehavior(QAbstractItemView::SelectRows); q->setSelectionMode(QAbstractItemView::SingleSelection); @@ -3911,6 +3931,12 @@ int QTreeViewPrivate::accessibleTree2Index(const QModelIndex &index) const return (q->visualIndex(index) + (q->header() ? 1 : 0)) * index.model()->columnCount() + index.column(); } +void QTreeViewPrivate::updateIndentationFromStyle() +{ + Q_Q(const QTreeView); + indent = q->style()->pixelMetric(QStyle::PM_TreeViewIndentation, 0, q); +} + /*! \reimp */ |