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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2011 Arthur Arlt <a.arlt@stud.uni-heidelberg.de>
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// own
#include "outline.h"
// KWin
#include "composite.h"
#include "main.h"
#include "platform.h"
#include "scripting/scripting.h"
#include "utils.h"
// Frameworks
#include <KConfigGroup>
// Qt
#include <QDebug>
#include <QQmlComponent>
#include <QQmlContext>
#include <QQmlEngine>
#include <QQuickWindow>
#include <QStandardPaths>
namespace KWin {
KWIN_SINGLETON_FACTORY(Outline)
Outline::Outline(QObject *parent)
: QObject(parent)
, m_active(false)
{
connect(Compositor::self(), SIGNAL(compositingToggled(bool)), SLOT(compositingChanged()));
}
Outline::~Outline()
{
}
void Outline::show()
{
if (m_visual.isNull()) {
createHelper();
}
if (m_visual.isNull()) {
// something went wrong
return;
}
m_visual->show();
m_active = true;
emit activeChanged();
}
void Outline::hide()
{
if (!m_active) {
return;
}
m_active = false;
emit activeChanged();
if (m_visual.isNull()) {
return;
}
m_visual->hide();
}
void Outline::show(const QRect& outlineGeometry)
{
show(outlineGeometry, QRect());
}
void Outline::show(const QRect &outlineGeometry, const QRect &visualParentGeometry)
{
setGeometry(outlineGeometry);
setVisualParentGeometry(visualParentGeometry);
show();
}
void Outline::setGeometry(const QRect& outlineGeometry)
{
if (m_outlineGeometry == outlineGeometry) {
return;
}
m_outlineGeometry = outlineGeometry;
emit geometryChanged();
emit unifiedGeometryChanged();
}
void Outline::setVisualParentGeometry(const QRect &visualParentGeometry)
{
if (m_visualParentGeometry == visualParentGeometry) {
return;
}
m_visualParentGeometry = visualParentGeometry;
emit visualParentGeometryChanged();
emit unifiedGeometryChanged();
}
QRect Outline::unifiedGeometry() const
{
return m_outlineGeometry | m_visualParentGeometry;
}
void Outline::createHelper()
{
if (!m_visual.isNull()) {
return;
}
m_visual.reset(kwinApp()->platform()->createOutline(this));
}
void Outline::compositingChanged()
{
m_visual.reset();
if (m_active) {
show();
}
}
OutlineVisual::OutlineVisual(Outline *outline)
: m_outline(outline)
{
}
OutlineVisual::~OutlineVisual()
{
}
CompositedOutlineVisual::CompositedOutlineVisual(Outline *outline)
: OutlineVisual(outline)
, m_qmlContext()
, m_qmlComponent()
, m_mainItem()
{
}
CompositedOutlineVisual::~CompositedOutlineVisual()
{
}
void CompositedOutlineVisual::hide()
{
if (QQuickWindow *w = qobject_cast<QQuickWindow*>(m_mainItem.data())) {
w->hide();
w->destroy();
}
}
void CompositedOutlineVisual::show()
{
if (m_qmlContext.isNull()) {
m_qmlContext.reset(new QQmlContext(Scripting::self()->qmlEngine()));
m_qmlContext->setContextProperty(QStringLiteral("outline"), outline());
}
if (m_qmlComponent.isNull()) {
m_qmlComponent.reset(new QQmlComponent(Scripting::self()->qmlEngine()));
const QString fileName = QStandardPaths::locate(QStandardPaths::GenericDataLocation,
kwinApp()->config()->group(QStringLiteral("Outline")).readEntry("QmlPath", QStringLiteral(KWIN_NAME "/outline/plasma/outline.qml")));
if (fileName.isEmpty()) {
qCDebug(KWIN_CORE) << "Could not locate outline.qml";
return;
}
m_qmlComponent->loadUrl(QUrl::fromLocalFile(fileName));
if (m_qmlComponent->isError()) {
qCDebug(KWIN_CORE) << "Component failed to load: " << m_qmlComponent->errors();
} else {
m_mainItem.reset(m_qmlComponent->create(m_qmlContext.data()));
}
}
}
} // namespace
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