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152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "desktopview.h"
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#include "qmltypes.h"
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#include "desktop/dockdbusinterface.h"
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#include <QQmlComponent>
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#include <QQmlContext>
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#include <QQmlEngine>
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#include <QScreen>
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#include <QDebug>
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static const char *kDesktopRootQml = "qrc:/qml/Desktop/Main.qml";
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DesktopView::DesktopView(QQuickItem *parent)
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: QQuickItem(parent)
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, m_component(nullptr)
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, m_context(nullptr)
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, m_content(nullptr)
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{
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setFlag(ItemHasContents, false);
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CutefishFM::initResources();
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}
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DesktopView::~DesktopView() = default;
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QScreen *DesktopView::screen() const
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{
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return m_screen.data();
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}
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void DesktopView::setScreen(QScreen *screen)
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{
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if (m_screen == screen)
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return;
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if (m_screen)
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disconnect(m_screen, nullptr, this, nullptr);
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m_screen = screen;
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if (m_screen) {
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connect(m_screen, &QScreen::geometryChanged, this, &DesktopView::updateScreenRect);
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connect(m_screen, &QScreen::virtualGeometryChanged, this, &DesktopView::updateScreenRect);
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}
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emit screenChanged();
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updateScreenRect();
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}
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QString DesktopView::screenName() const
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{
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return m_screen ? m_screen->name() : QString();
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}
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QRect DesktopView::screenRect() const
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{
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return m_screenRect;
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}
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void DesktopView::updateScreenRect()
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{
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const QRect rect = m_screen ? m_screen->geometry() : QRect();
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if (m_screenRect == rect)
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return;
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m_screenRect = rect;
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emit screenRectChanged();
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}
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void DesktopView::componentComplete()
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{
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QQuickItem::componentComplete();
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createContent();
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}
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void DesktopView::createContent()
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{
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if (m_content)
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return;
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QQmlEngine *engine = qmlEngine(this);
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if (!engine) {
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qWarning() << "DesktopView: no QML engine, cannot create the desktop.";
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return;
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}
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CutefishFM::registerQmlTypes();
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CutefishFM::registerImageProviders(engine);
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// A dedicated child context keeps the desktop's context properties out of
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// the host's root context, so several desktops (one per screen) can live in
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// one engine without seeing each other's state.
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m_context = new QQmlContext(qmlContext(this), this);
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m_context->setContextProperty(QStringLiteral("desktopView"), this);
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m_context->setContextProperty(QStringLiteral("Dock"), DockDBusInterface::self());
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m_component = new QQmlComponent(engine, QUrl(QString::fromLatin1(kDesktopRootQml)), this);
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if (m_component->isError()) {
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qWarning() << "DesktopView: failed to load" << kDesktopRootQml << m_component->errors();
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return;
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}
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QObject *object = m_component->beginCreate(m_context);
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m_content = qobject_cast<QQuickItem *>(object);
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if (!m_content) {
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qWarning() << "DesktopView: the desktop root is not an Item." << m_component->errors();
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delete object;
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return;
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}
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m_content->setParentItem(this);
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resizeContent();
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m_component->completeCreate();
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if (m_component->isError())
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qWarning() << "DesktopView:" << m_component->errors();
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}
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void DesktopView::resizeContent()
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{
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if (m_content) {
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m_content->setPosition(QPointF(0, 0));
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m_content->setSize(size());
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}
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}
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void DesktopView::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry)
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{
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QQuickItem::geometryChange(newGeometry, oldGeometry);
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resizeContent();
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}
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