File indexing completed on 2026-06-07 05:41:26

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2008 Lubos Lunak <l.lunak@suse.cz>
     SPDX-FileCopyrightText: 2009 Lucas Murray <lmurray@undefinedfire.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "screenpreviewwidget.h"
 
 #include <QActionGroup>
 #include <QGraphicsItem>
 #include <QList>
 #include <array>
 #include <memory>
 
 class QAction;
 class QGraphicsView;
 class QGraphicsScene;
 class QMenu;
 
 namespace KSvg
 {
 class FrameSvg;
 }
 
 namespace KWin
 {
 
 class Monitor : public ScreenPreviewWidget
 {
     Q_OBJECT
 public:
     explicit Monitor(QWidget *parent);
     ~Monitor();
 
     void setEdgeEnabled(int edge, bool enabled);
     void setEdgeHidden(int edge, bool set);
     bool edgeHidden(int edge) const;
     void clear();
     void addEdgeItem(int edge, const QString &item);
     void setEdgeItemEnabled(int edge, int index, bool enabled);
     bool edgeItemEnabled(int edge, int index) const;
     void selectEdgeItem(int edge, int index);
     int selectedEdgeItem(int edge) const;
 
     enum Edges {
         Left,
         Right,
         Top,
         Bottom,
         TopLeft,
         TopRight,
         BottomLeft,
         BottomRight,
         None
     };
 Q_SIGNALS:
     void changed();
     void edgeSelectionChanged(int edge, int index);
 
 protected:
     void resizeEvent(QResizeEvent *e) override;
     bool event(QEvent *event) override;
 
 private:
     class Corner;
     void popup(Corner *c, QPoint pos);
     void flip(Corner *c, QPoint pos);
     void checkSize();
     std::unique_ptr<QGraphicsScene> m_scene;
     std::unique_ptr<QGraphicsView> m_view;
     std::array<std::unique_ptr<Corner>, 8> m_items;
     std::array<bool, 8> m_hidden;
     std::array<std::unique_ptr<QMenu>, 8> m_popups;
     std::array<QList<QAction *>, 8> m_popupActions;
     std::array<std::unique_ptr<QActionGroup>, 8> m_actionGroups;
 };
 
 class Monitor::Corner : public QGraphicsRectItem
 {
 public:
     Corner(Monitor *m);
     ~Corner() override;
     void setActive(bool active);
     bool active() const;
 
 protected:
     void contextMenuEvent(QGraphicsSceneContextMenuEvent *e) override;
     void mousePressEvent(QGraphicsSceneMouseEvent *e) override;
     void hoverEnterEvent(QGraphicsSceneHoverEvent *e) override;
     void hoverLeaveEvent(QGraphicsSceneHoverEvent *e) override;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
 
 private:
     Monitor *const m_monitor;
     const std::unique_ptr<KSvg::FrameSvg> m_button;
     bool m_active = false;
     bool m_hover = false;
 };
 
 } // namespace