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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2011 Arthur Arlt <a.arlt@stud.uni-heidelberg.de>
SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
// own
#include "outline.h"
// KWin
#include "composite.h"
#include "main.h"
#include "scripting/scripting.h"
#include "utils/common.h"
// Frameworks
#include <KConfigGroup>
// Qt
#include <QDebug>
#include <QQmlComponent>
#include <QQmlContext>
#include <QQmlEngine>
#include <QQuickWindow>
#include <QStandardPaths>
namespace KWin
{
Outline::Outline()
: m_active(false)
{
connect(Compositor::self(), &Compositor::compositingToggled, this, &Outline::compositingChanged);
}
Outline::~Outline() = default;
void Outline::show()
{
if (!m_visual) {
createHelper();
}
if (!m_visual) {
// something went wrong
return;
}
m_visual->show();
m_active = true;
Q_EMIT activeChanged();
}
void Outline::hide()
{
if (!m_active) {
return;
}
m_active = false;
Q_EMIT activeChanged();
if (!m_visual) {
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;
Q_EMIT geometryChanged();
Q_EMIT unifiedGeometryChanged();
}
void Outline::setVisualParentGeometry(const QRect &visualParentGeometry)
{
if (m_visualParentGeometry == visualParentGeometry) {
return;
}
m_visualParentGeometry = visualParentGeometry;
Q_EMIT visualParentGeometryChanged();
Q_EMIT unifiedGeometryChanged();
}
QRect Outline::unifiedGeometry() const
{
return m_outlineGeometry | m_visualParentGeometry;
}
void Outline::createHelper()
{
if (m_visual) {
return;
}
m_visual = kwinApp()->createOutline(this);
}
void Outline::compositingChanged()
{
m_visual.reset();
if (m_active) {
show();
}
}
const QRect &Outline::geometry() const
{
return m_outlineGeometry;
}
const QRect &Outline::visualParentGeometry() const
{
return m_visualParentGeometry;
}
bool Outline::isActive() const
{
return m_active;
}
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.get())) {
w->hide();
w->destroy();
}
}
void CompositedOutlineVisual::show()
{
if (!m_qmlContext) {
m_qmlContext = std::make_unique<QQmlContext>(Scripting::self()->qmlEngine());
m_qmlContext->setContextProperty(QStringLiteral("outline"), m_outline);
}
if (!m_qmlComponent) {
m_qmlComponent = std::make_unique<QQmlComponent>(Scripting::self()->qmlEngine());
const QString fileName = QStandardPaths::locate(QStandardPaths::GenericDataLocation,
kwinApp()->config()->group(QStringLiteral("Outline")).readEntry("QmlPath", QStringLiteral("kwin/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.get()));
}
if (auto w = qobject_cast<QQuickWindow *>(m_mainItem.get())) {
w->setProperty("__kwin_outline", true);
}
}
}
} // namespace
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