git.iko.soy/unity8
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unity8/plugins/WindowManager/AvailableDesktopArea.cpp
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1/*
2 * Copyright (C) 2017 Canonical, Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * 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 "AvailableDesktopArea.h"
19#include <QGuiApplication>
20#include <QQuickWindow>
21#include <qpa/qplatformnativeinterface.h>
23AvailableDesktopArea::AvailableDesktopArea(QQuickItem *parent)
24 : QQuickItem(parent)
26 connect(this, &QQuickItem::xChanged, this, &AvailableDesktopArea::updatePlatformWindowProperty);
27 connect(this, &QQuickItem::yChanged, this, &AvailableDesktopArea::updatePlatformWindowProperty);
28 connect(this, &QQuickItem::widthChanged, this, &AvailableDesktopArea::updatePlatformWindowProperty);
29 connect(this, &QQuickItem::heightChanged, this, &AvailableDesktopArea::updatePlatformWindowProperty);
32void AvailableDesktopArea::updatePlatformWindowProperty()
34 if (!window()) {
35 return;
36 }
38 QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface();
40 QRect rect(x(), y(), width(), height());
42 nativeInterface->setWindowProperty(window()->handle(), "availableDesktopArea", QVariant(rect));
45void AvailableDesktopArea::itemChange(ItemChange change, const ItemChangeData &)
47 if (change == ItemSceneChange) {
48 updatePlatformWindowProperty();
49 }