File indexing completed on 2026-08-09 12:02:25

 /*
     SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 #include "previewclient.h"
 #include <KDecoration2/DecoratedClient>
 #include <KDecoration2/Decoration>
 
 #include <QCoreApplication>
 #include <QDebug>
 #include <QEvent>
 #include <QModelIndex>
 
 namespace KDecoration2
 {
 namespace Preview
 {
 
 PreviewClient::PreviewClient(DecoratedClient *c, Decoration *decoration)
     : QObject(decoration)
     , ApplicationMenuEnabledDecoratedClientPrivate(c, decoration)
     , m_icon(QIcon::fromTheme(QStringLiteral("start-here-kde")))
     , m_iconName(m_icon.name())
     , m_palette(QStringLiteral("kdeglobals"))
     , m_active(true)
     , m_closeable(true)
     , m_keepBelow(false)
     , m_keepAbove(false)
     , m_maximizable(true)
     , m_maximizedHorizontally(false)
     , m_maximizedVertically(false)
     , m_minimizable(true)
     , m_modal(false)
     , m_movable(true)
     , m_resizable(true)
     , m_shadeable(true)
     , m_shaded(false)
     , m_providesContextHelp(false)
     , m_desktop(1)
     , m_width(0)
     , m_height(0)
     , m_bordersTopEdge(false)
     , m_bordersLeftEdge(false)
     , m_bordersRightEdge(false)
     , m_bordersBottomEdge(false)
 {
     connect(this, &PreviewClient::captionChanged, c, &DecoratedClient::captionChanged);
     connect(this, &PreviewClient::activeChanged, c, &DecoratedClient::activeChanged);
     connect(this, &PreviewClient::closeableChanged, c, &DecoratedClient::closeableChanged);
     connect(this, &PreviewClient::keepAboveChanged, c, &DecoratedClient::keepAboveChanged);
     connect(this, &PreviewClient::keepBelowChanged, c, &DecoratedClient::keepBelowChanged);
     connect(this, &PreviewClient::maximizableChanged, c, &DecoratedClient::maximizeableChanged);
     connect(this, &PreviewClient::maximizedChanged, c, &DecoratedClient::maximizedChanged);
     connect(this, &PreviewClient::maximizedVerticallyChanged, c, &DecoratedClient::maximizedVerticallyChanged);
     connect(this, &PreviewClient::maximizedHorizontallyChanged, c, &DecoratedClient::maximizedHorizontallyChanged);
     connect(this, &PreviewClient::minimizableChanged, c, &DecoratedClient::minimizeableChanged);
     connect(this, &PreviewClient::movableChanged, c, &DecoratedClient::moveableChanged);
     connect(this, &PreviewClient::onAllDesktopsChanged, c, &DecoratedClient::onAllDesktopsChanged);
     connect(this, &PreviewClient::resizableChanged, c, &DecoratedClient::resizeableChanged);
     connect(this, &PreviewClient::shadeableChanged, c, &DecoratedClient::shadeableChanged);
     connect(this, &PreviewClient::shadedChanged, c, &DecoratedClient::shadedChanged);
     connect(this, &PreviewClient::providesContextHelpChanged, c, &DecoratedClient::providesContextHelpChanged);
     connect(this, &PreviewClient::onAllDesktopsChanged, c, &DecoratedClient::onAllDesktopsChanged);
     connect(this, &PreviewClient::widthChanged, c, &DecoratedClient::widthChanged);
     connect(this, &PreviewClient::heightChanged, c, &DecoratedClient::heightChanged);
     connect(this, &PreviewClient::iconChanged, c, &DecoratedClient::iconChanged);
     connect(this, &PreviewClient::paletteChanged, c, &DecoratedClient::paletteChanged);
     connect(this, &PreviewClient::maximizedVerticallyChanged, this, [this]() {
         Q_EMIT maximizedChanged(isMaximized());
     });
     connect(this, &PreviewClient::maximizedHorizontallyChanged, this, [this]() {
         Q_EMIT maximizedChanged(isMaximized());
     });
     connect(this, &PreviewClient::iconNameChanged, this, [this]() {
         m_icon = QIcon::fromTheme(m_iconName);
         Q_EMIT iconChanged(m_icon);
     });
     connect(this, &PreviewClient::desktopChanged, this, [this]() {
         Q_EMIT onAllDesktopsChanged(isOnAllDesktops());
     });
     connect(&m_palette, &KWin::Decoration::DecorationPalette::changed, this, [this]() {
         Q_EMIT paletteChanged(m_palette.palette());
     });
     auto emitEdgesChanged = [this, c]() {
         Q_EMIT c->adjacentScreenEdgesChanged(adjacentScreenEdges());
     };
     connect(this, &PreviewClient::bordersTopEdgeChanged, this, emitEdgesChanged);
     connect(this, &PreviewClient::bordersLeftEdgeChanged, this, emitEdgesChanged);
     connect(this, &PreviewClient::bordersRightEdgeChanged, this, emitEdgesChanged);
     connect(this, &PreviewClient::bordersBottomEdgeChanged, this, emitEdgesChanged);
     auto emitSizeChanged = [c]() {
         Q_EMIT c->sizeChanged(c->size());
     };
     connect(this, &PreviewClient::widthChanged, this, emitSizeChanged);
     connect(this, &PreviewClient::heightChanged, this, emitSizeChanged);
 
     qApp->installEventFilter(this);
 }
 
 PreviewClient::~PreviewClient() = default;
 
 void PreviewClient::setIcon(const QIcon &pixmap)
 {
     m_icon = pixmap;
     Q_EMIT iconChanged(m_icon);
 }
 
 int PreviewClient::width() const
 {
     return m_width;
 }
 
 int PreviewClient::height() const
 {
     return m_height;
 }
 
 QSize PreviewClient::size() const
 {
     return QSize(m_width, m_height);
 }
 
 QString PreviewClient::caption() const
 {
     return m_caption;
 }
 
 WId PreviewClient::decorationId() const
 {
     return 0;
 }
 
 int PreviewClient::desktop() const
 {
     return m_desktop;
 }
 
 void PreviewClient::setDesktop(int desktop)
 {
     if (desktop == 0) {
         desktop = 1;
     }
     if (m_desktop == desktop) {
         return;
     }
     m_desktop = desktop;
     Q_EMIT desktopChanged(m_desktop);
 }
 
 QIcon PreviewClient::icon() const
 {
     return m_icon;
 }
 
 QString PreviewClient::iconName() const
 {
     return m_iconName;
 }
 
 bool PreviewClient::isActive() const
 {
     return m_active;
 }
 
 bool PreviewClient::isCloseable() const
 {
     return m_closeable;
 }
 
 bool PreviewClient::isKeepAbove() const
 {
     return m_keepAbove;
 }
 
 bool PreviewClient::isKeepBelow() const
 {
     return m_keepBelow;
 }
 
 bool PreviewClient::isMaximizeable() const
 {
     return m_maximizable;
 }
 
 bool PreviewClient::isMaximized() const
 {
     return isMaximizedHorizontally() && isMaximizedVertically();
 }
 
 bool PreviewClient::isMaximizedHorizontally() const
 {
     return m_maximizedHorizontally;
 }
 
 bool PreviewClient::isMaximizedVertically() const
 {
     return m_maximizedVertically;
 }
 
 bool PreviewClient::isMinimizeable() const
 {
     return m_minimizable;
 }
 
 bool PreviewClient::isModal() const
 {
     return m_modal;
 }
 
 bool PreviewClient::isMoveable() const
 {
     return m_movable;
 }
 
 bool PreviewClient::isOnAllDesktops() const
 {
     return desktop() == -1;
 }
 
 bool PreviewClient::isResizeable() const
 {
     return m_resizable;
 }
 
 bool PreviewClient::isShadeable() const
 {
     return m_shadeable;
 }
 
 bool PreviewClient::isShaded() const
 {
     return m_shaded;
 }
 
 bool PreviewClient::providesContextHelp() const
 {
     return m_providesContextHelp;
 }
 
 WId PreviewClient::windowId() const
 {
     return 0;
 }
 
 QPalette PreviewClient::palette() const
 {
     return m_palette.palette();
 }
 
 QColor PreviewClient::color(ColorGroup group, ColorRole role) const
 {
     return m_palette.color(group, role);
 }
 
 Qt::Edges PreviewClient::adjacentScreenEdges() const
 {
     Qt::Edges edges;
     if (m_bordersBottomEdge) {
         edges |= Qt::BottomEdge;
     }
     if (m_bordersLeftEdge) {
         edges |= Qt::LeftEdge;
     }
     if (m_bordersRightEdge) {
         edges |= Qt::RightEdge;
     }
     if (m_bordersTopEdge) {
         edges |= Qt::TopEdge;
     }
     return edges;
 }
 
 QString PreviewClient::windowClass() const
 {
     return QString();
 }
 
 bool PreviewClient::hasApplicationMenu() const
 {
     return true;
 }
 
 bool PreviewClient::isApplicationMenuActive() const
 {
     return false;
 }
 
 bool PreviewClient::bordersBottomEdge() const
 {
     return m_bordersBottomEdge;
 }
 
 bool PreviewClient::bordersLeftEdge() const
 {
     return m_bordersLeftEdge;
 }
 
 bool PreviewClient::bordersRightEdge() const
 {
     return m_bordersRightEdge;
 }
 
 bool PreviewClient::bordersTopEdge() const
 {
     return m_bordersTopEdge;
 }
 
 void PreviewClient::setBordersBottomEdge(bool enabled)
 {
     if (m_bordersBottomEdge == enabled) {
         return;
     }
     m_bordersBottomEdge = enabled;
     Q_EMIT bordersBottomEdgeChanged(enabled);
 }
 
 void PreviewClient::setBordersLeftEdge(bool enabled)
 {
     if (m_bordersLeftEdge == enabled) {
         return;
     }
     m_bordersLeftEdge = enabled;
     Q_EMIT bordersLeftEdgeChanged(enabled);
 }
 
 void PreviewClient::setBordersRightEdge(bool enabled)
 {
     if (m_bordersRightEdge == enabled) {
         return;
     }
     m_bordersRightEdge = enabled;
     Q_EMIT bordersRightEdgeChanged(enabled);
 }
 
 void PreviewClient::setBordersTopEdge(bool enabled)
 {
     if (m_bordersTopEdge == enabled) {
         return;
     }
     m_bordersTopEdge = enabled;
     Q_EMIT bordersTopEdgeChanged(enabled);
 }
 
 void PreviewClient::requestShowToolTip(const QString &text)
 {
 }
 
 void PreviewClient::requestHideToolTip()
 {
 }
 
 void PreviewClient::requestClose()
 {
     Q_EMIT closeRequested();
 }
 
 void PreviewClient::requestContextHelp()
 {
 }
 
 void PreviewClient::requestToggleMaximization(Qt::MouseButtons buttons)
 {
     if (buttons.testFlag(Qt::LeftButton)) {
         const bool set = !isMaximized();
         setMaximizedHorizontally(set);
         setMaximizedVertically(set);
     } else if (buttons.testFlag(Qt::RightButton)) {
         setMaximizedHorizontally(!isMaximizedHorizontally());
     } else if (buttons.testFlag(Qt::MiddleButton)) {
         setMaximizedVertically(!isMaximizedVertically());
     }
 }
 
 void PreviewClient::requestMinimize()
 {
     Q_EMIT minimizeRequested();
 }
 
 void PreviewClient::requestToggleKeepAbove()
 {
     setKeepAbove(!isKeepAbove());
 }
 
 void PreviewClient::requestToggleKeepBelow()
 {
     setKeepBelow(!isKeepBelow());
 }
 
 void PreviewClient::requestShowWindowMenu(const QRect &rect)
 {
     Q_EMIT showWindowMenuRequested();
 }
 
 void PreviewClient::requestShowApplicationMenu(const QRect &rect, int actionId)
 {
 }
 
 void PreviewClient::showApplicationMenu(int actionId)
 {
 }
 
 void PreviewClient::requestToggleOnAllDesktops()
 {
     setDesktop(isOnAllDesktops() ? 1 : -1);
 }
 
 void PreviewClient::requestToggleShade()
 {
     setShaded(!isShaded());
 }
 
 #define SETTER(type, name, variable)            \
     void PreviewClient::name(type variable)     \
     {                                           \
         if (m_##variable == variable) {         \
             return;                             \
         }                                       \
         m_##variable = variable;                \
         Q_EMIT variable##Changed(m_##variable); \
     }
 
 #define SETTER2(name, variable) SETTER(bool, name, variable)
 
 SETTER(const QString &, setCaption, caption)
 SETTER(const QString &, setIconName, iconName)
 SETTER(int, setWidth, width)
 SETTER(int, setHeight, height)
 
 SETTER2(setActive, active)
 SETTER2(setCloseable, closeable)
 SETTER2(setMaximizable, maximizable)
 SETTER2(setKeepBelow, keepBelow)
 SETTER2(setKeepAbove, keepAbove)
 SETTER2(setMaximizedHorizontally, maximizedHorizontally)
 SETTER2(setMaximizedVertically, maximizedVertically)
 SETTER2(setMinimizable, minimizable)
 SETTER2(setModal, modal)
 SETTER2(setMovable, movable)
 SETTER2(setResizable, resizable)
 SETTER2(setShadeable, shadeable)
 SETTER2(setShaded, shaded)
 SETTER2(setProvidesContextHelp, providesContextHelp)
 
 #undef SETTER2
 #undef SETTER
 
 } // namespace Preview
 } // namespace KDecoration2
 
 #include "moc_previewclient.cpp"