File indexing completed on 2024-05-19 05:31:40

 /*
     SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
     SPDX-FileCopyrightText: 2010, 2011 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "effect/effectframe.h"
 #include "effect/effecthandler.h"
 
 #include <QQuickItem>
 #include <QStandardPaths>
 
 namespace KWin
 {
 
 EffectFrameQuickScene::EffectFrameQuickScene(EffectFrameStyle style, bool staticSize, QPoint position, Qt::Alignment alignment)
     : m_style(style)
     , m_static(staticSize)
     , m_point(position)
     , m_alignment(alignment)
 {
 
     QString name;
     switch (style) {
     case EffectFrameNone:
         name = QStringLiteral("none");
         break;
     case EffectFrameUnstyled:
         name = QStringLiteral("unstyled");
         break;
     case EffectFrameStyled:
         name = QStringLiteral("styled");
         break;
     }
 
     const QString defaultPath = QStringLiteral("kwin/frames/plasma/frame_%1.qml").arg(name);
     // TODO read from kwinApp()->config() "QmlPath" like Outline/OnScreenNotification
     // *if* someone really needs this to be configurable.
     const QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, defaultPath);
 
     setSource(QUrl::fromLocalFile(path), QVariantMap{{QStringLiteral("effectFrame"), QVariant::fromValue(this)}});
 
     if (rootItem()) {
         connect(rootItem(), &QQuickItem::implicitWidthChanged, this, &EffectFrameQuickScene::reposition);
         connect(rootItem(), &QQuickItem::implicitHeightChanged, this, &EffectFrameQuickScene::reposition);
     }
 }
 
 EffectFrameQuickScene::~EffectFrameQuickScene() = default;
 
 EffectFrameStyle EffectFrameQuickScene::style() const
 {
     return m_style;
 }
 
 bool EffectFrameQuickScene::isStatic() const
 {
     return m_static;
 }
 
 QFont EffectFrameQuickScene::font() const
 {
     return m_font;
 }
 
 void EffectFrameQuickScene::setFont(const QFont &font)
 {
     if (m_font == font) {
         return;
     }
 
     m_font = font;
     Q_EMIT fontChanged(font);
     reposition();
 }
 
 QIcon EffectFrameQuickScene::icon() const
 {
     return m_icon;
 }
 
 void EffectFrameQuickScene::setIcon(const QIcon &icon)
 {
     m_icon = icon;
     Q_EMIT iconChanged(icon);
     reposition();
 }
 
 QSize EffectFrameQuickScene::iconSize() const
 {
     return m_iconSize;
 }
 
 void EffectFrameQuickScene::setIconSize(const QSize &iconSize)
 {
     if (m_iconSize == iconSize) {
         return;
     }
 
     m_iconSize = iconSize;
     Q_EMIT iconSizeChanged(iconSize);
     reposition();
 }
 
 QString EffectFrameQuickScene::text() const
 {
     return m_text;
 }
 
 void EffectFrameQuickScene::setText(const QString &text)
 {
     if (m_text == text) {
         return;
     }
 
     m_text = text;
     Q_EMIT textChanged(text);
     reposition();
 }
 
 qreal EffectFrameQuickScene::frameOpacity() const
 {
     return m_frameOpacity;
 }
 
 void EffectFrameQuickScene::setFrameOpacity(qreal frameOpacity)
 {
     if (m_frameOpacity != frameOpacity) {
         m_frameOpacity = frameOpacity;
         Q_EMIT frameOpacityChanged(frameOpacity);
     }
 }
 
 bool EffectFrameQuickScene::crossFadeEnabled() const
 {
     return m_crossFadeEnabled;
 }
 
 void EffectFrameQuickScene::setCrossFadeEnabled(bool enabled)
 {
     if (m_crossFadeEnabled != enabled) {
         m_crossFadeEnabled = enabled;
         Q_EMIT crossFadeEnabledChanged(enabled);
     }
 }
 
 qreal EffectFrameQuickScene::crossFadeProgress() const
 {
     return m_crossFadeProgress;
 }
 
 void EffectFrameQuickScene::setCrossFadeProgress(qreal progress)
 {
     if (m_crossFadeProgress != progress) {
         m_crossFadeProgress = progress;
         Q_EMIT crossFadeProgressChanged(progress);
     }
 }
 
 Qt::Alignment EffectFrameQuickScene::alignment() const
 {
     return m_alignment;
 }
 
 void EffectFrameQuickScene::setAlignment(Qt::Alignment alignment)
 {
     if (m_alignment == alignment) {
         return;
     }
 
     m_alignment = alignment;
     reposition();
 }
 
 QPoint EffectFrameQuickScene::position() const
 {
     return m_point;
 }
 
 void EffectFrameQuickScene::setPosition(const QPoint &point)
 {
     if (m_point == point) {
         return;
     }
 
     m_point = point;
     reposition();
 }
 
 void EffectFrameQuickScene::reposition()
 {
     if (!rootItem() || m_point.x() < 0 || m_point.y() < 0) {
         return;
     }
 
     QSizeF size;
     if (m_static) {
         size = rootItem()->size();
     } else {
         size = QSizeF(rootItem()->implicitWidth(), rootItem()->implicitHeight());
     }
 
     QRect geometry(QPoint(), size.toSize());
 
     if (m_alignment & Qt::AlignLeft)
         geometry.moveLeft(m_point.x());
     else if (m_alignment & Qt::AlignRight)
         geometry.moveLeft(m_point.x() - geometry.width());
     else
         geometry.moveLeft(m_point.x() - geometry.width() / 2);
     if (m_alignment & Qt::AlignTop)
         geometry.moveTop(m_point.y());
     else if (m_alignment & Qt::AlignBottom)
         geometry.moveTop(m_point.y() - geometry.height());
     else
         geometry.moveTop(m_point.y() - geometry.height() / 2);
 
     if (geometry == this->geometry()) {
         return;
     }
 
     setGeometry(geometry);
 }
 
 EffectFrame::EffectFrame(EffectFrameStyle style, bool staticSize, QPoint position, Qt::Alignment alignment)
     : m_view(new EffectFrameQuickScene(style, staticSize, position, alignment))
 {
     connect(m_view, &OffscreenQuickScene::repaintNeeded, this, [this] {
         effects->addRepaint(geometry());
     });
     connect(m_view, &OffscreenQuickScene::geometryChanged, this, [](const QRect &oldGeometry, const QRect &newGeometry) {
         effects->addRepaint(oldGeometry);
         effects->addRepaint(newGeometry);
     });
 }
 
 EffectFrame::~EffectFrame()
 {
     // Effects often destroy their cached TextFrames in pre/postPaintScreen.
     // Destroying an OffscreenQuickView changes GL context, which we
     // must not do during effect rendering.
     // Delay destruction of the view until after the rendering.
     m_view->deleteLater();
 }
 
 Qt::Alignment EffectFrame::alignment() const
 {
     return m_view->alignment();
 }
 
 void EffectFrame::setAlignment(Qt::Alignment alignment)
 {
     m_view->setAlignment(alignment);
 }
 
 QFont EffectFrame::font() const
 {
     return m_view->font();
 }
 
 void EffectFrame::setFont(const QFont &font)
 {
     m_view->setFont(font);
 }
 
 void EffectFrame::free()
 {
     m_view->hide();
 }
 
 QRect EffectFrame::geometry() const
 {
     return m_view->geometry();
 }
 
 void EffectFrame::setGeometry(const QRect &geometry, bool force)
 {
     m_view->setGeometry(geometry);
 }
 
 QIcon EffectFrame::icon() const
 {
     return m_view->icon();
 }
 
 void EffectFrame::setIcon(const QIcon &icon)
 {
     m_view->setIcon(icon);
 
     if (m_view->iconSize().isEmpty() && !icon.availableSizes().isEmpty()) { // Set a size if we don't already have one
         setIconSize(icon.availableSizes().constFirst());
     }
 }
 
 QSize EffectFrame::iconSize() const
 {
     return m_view->iconSize();
 }
 
 void EffectFrame::setIconSize(const QSize &size)
 {
     m_view->setIconSize(size);
 }
 
 void EffectFrame::setPosition(const QPoint &point)
 {
     m_view->setPosition(point);
 }
 
 void EffectFrame::render(const RenderTarget &renderTarget, const RenderViewport &viewport, const QRegion &region, double opacity, double frameOpacity)
 {
     if (!m_view->rootItem()) {
         return;
     }
 
     m_view->show();
 
     m_view->setOpacity(opacity);
     m_view->setFrameOpacity(frameOpacity);
 
     effects->renderOffscreenQuickView(renderTarget, viewport, m_view);
 }
 
 QString EffectFrame::text() const
 {
     return m_view->text();
 }
 
 void EffectFrame::setText(const QString &text)
 {
     m_view->setText(text);
 }
 
 EffectFrameStyle EffectFrame::style() const
 {
     return m_view->style();
 }
 
 bool EffectFrame::isCrossFade() const
 {
     return m_view->crossFadeEnabled();
 }
 
 void EffectFrame::enableCrossFade(bool enable)
 {
     m_view->setCrossFadeEnabled(enable);
 }
 
 qreal EffectFrame::crossFadeProgress() const
 {
     return m_view->crossFadeProgress();
 }
 
 void EffectFrame::setCrossFadeProgress(qreal progress)
 {
     m_view->setCrossFadeProgress(progress);
 }
 
 } // namespace KWin
 
 #include "moc_effectframe.cpp"