git.iko.soy/unity8
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unity8/plugins/Utils/tabfocusfence.cpp
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1/*
2 * Copyright 2017 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15*/
17#include "tabfocusfence.h"
19#include <private/qquickitem_p.h>
21TabFocusFenceItem::TabFocusFenceItem(QQuickItem *parent) : QQuickItem(parent)
23 QQuickItemPrivate *d = QQuickItemPrivate::get(this);
24 d->isTabFence = true;
25 setFlag(ItemIsFocusScope);
28bool TabFocusFenceItem::focusNext()
30 QQuickItem * current = scopedFocusItem();
31 if (current) {
32 QQuickItem * next = current->nextItemInFocusChain(true);
33 if (next) {
34 next->setFocus(true, Qt::TabFocusReason);
35 return true;
36 }
37 }
38 return false;
41bool TabFocusFenceItem::focusPrev()
43 QQuickItem * current = scopedFocusItem();
44 if (current) {
45 QQuickItem * prev = current->nextItemInFocusChain(false);
46 if (prev) {
47 prev->setFocus(true, Qt::BacktabFocusReason);
48 return true;
49 }
50 }
51 return false;
54void TabFocusFenceItem::keyPressEvent(QKeyEvent *event)
56 // Needed so we eat Tab keys when there's only one item inside the fence
57 if (event->key() == Qt::Key_Tab) {
58 event->accept();
59 } else {
60 QQuickItem::keyPressEvent(event);
61 }
64void TabFocusFenceItem::keyReleaseEvent(QKeyEvent *event)
66 // Needed so we eat Tab keys when there's only one item inside the fence
67 if (event->key() == Qt::Key_Tab) {
68 event->accept();
69 } else {
70 QQuickItem::keyReleaseEvent(event);
71 }