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Diffstat (limited to 'ui/qt/widgets/tabnav_tree_view.cpp')
-rw-r--r-- | ui/qt/widgets/tabnav_tree_view.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/ui/qt/widgets/tabnav_tree_view.cpp b/ui/qt/widgets/tabnav_tree_view.cpp new file mode 100644 index 00000000..38b73469 --- /dev/null +++ b/ui/qt/widgets/tabnav_tree_view.cpp @@ -0,0 +1,57 @@ +/* tabnav_tree_view.cpp + * Tree view with saner tab navigation functionality. + * + * Copyright 2016 Peter Wu <peter@lekensteyn.nl> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "tabnav_tree_view.h" + +TabnavTreeView::TabnavTreeView(QWidget *parent) : QTreeView(parent) +{ +} + +// Note: if a QTableView is used, then this is not needed anymore since Tab +// works as "expected" (move to next cell instead of row). +// Note 2: this does not help with fields with no widget (like filename). +QModelIndex TabnavTreeView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) +{ + QModelIndex current = currentIndex(); + // If an item is currently selected, interpret Next/Previous. Otherwise, + // fallback to the default selection (e.g. first row for Next). + if (current.isValid()) { + if (cursorAction == MoveNext) { + if (current.column() < model()->columnCount()) { + return current.sibling(current.row(), current.column() + 1); + } + return current; + } else if (cursorAction == MovePrevious) { + if (current.column() > 0) { + return current.sibling(current.row(), current.column() - 1); + } + return current; + } + } + + return QTreeView::moveCursor(cursorAction, modifiers); +} + +/*! + \fn void TabnavTreeView::currentItemChanged(QModelIndex *current, QModelIndex *previous) + + This signal is emitted whenever the current item changes. + + \a previous is the item that previously had the focus; \a current is the + new current item. + */ + +void TabnavTreeView::currentChanged(const QModelIndex ¤t, const QModelIndex &previous) +{ + QTreeView::currentChanged(current, previous); + emit currentItemChanged(current, previous); +} |