File indexing completed on 2024-05-05 05:35:25

 #ifndef oxygenshadowhelper_h
 #define oxygenshadowhelper_h
 
 //////////////////////////////////////////////////////////////////////////////
 // oxygenshadowhelper.h
 // handle shadow pixmaps passed to window manager via X property
 // -------------------
 //
 // SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 // SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 //
 // SPDX-License-Identifier: MIT
 //////////////////////////////////////////////////////////////////////////////
 
 #include "oxygen.h"
 #include "oxygentileset.h"
 
 #include <KWindowShadow>
 
 #include <QMap>
 #include <QMargins>
 #include <QObject>
 #include <QSet>
 
 namespace Oxygen
 {
 //* forward declaration
 class ShadowCache;
 class StyleHelper;
 
 //* handle shadow pixmaps passed to window manager via X property
 class ShadowHelper : public QObject
 {
     Q_OBJECT
 
 public:
     //* constructor
     ShadowHelper(QObject *, StyleHelper &);
 
     //* destructor
     ~ShadowHelper(void) override;
 
     //* reset
     void reset(void);
 
     //* register widget
     bool registerWidget(QWidget *, bool force = false);
 
     //* unregister widget
     void unregisterWidget(QWidget *);
 
     //* reparse cache config (must be followed by loadConfig)
     void reparseCacheConfig(void);
 
     //* load config
     void loadConfig(void);
 
     //* event filter
     bool eventFilter(QObject *, QEvent *) override;
 
 private Q_SLOTS:
 
     //* unregister widget
     void widgetDeleted(QObject *);
 
     //* unregister window
     void windowDeleted(QObject *);
 
 private:
     //* true if widget is a menu
     bool isMenu(QWidget *) const;
 
     //* true if widget is a tooltip
     bool isToolTip(QWidget *) const;
 
     //* dock widget
     bool isDockWidget(QWidget *) const;
 
     //* toolbar
     bool isToolBar(QWidget *) const;
 
     //* accept widget
     bool acceptWidget(QWidget *) const;
 
     //* shadow cache
     const ShadowCache &shadowCache(void) const
     {
         return *_shadowCache;
     }
 
     //* shadow cache
     ShadowCache &shadowCache(void)
     {
         return *_shadowCache;
     }
 
     // create shadow tiles from tileset
     const QVector<KWindowShadowTile::Ptr> &createPlatformTiles(bool isDockWidget);
 
     // create a shadow tile from pixmap
     KWindowShadowTile::Ptr createPlatformTile(const QPixmap &);
 
     //* installs shadow on given widget in a platform independent way
     void installShadows(QWidget *);
 
     //* uninstalls shadow on given widget in a platform independent way
     void uninstallShadows(QWidget *);
 
     //* gets the shadow margins for the given widget
     QMargins shadowMargins(QWidget *) const;
 
     //* helper
     StyleHelper &_helper;
 
     //* cache
     ShadowCache *_shadowCache;
 
     //* set of registered widgets
     QSet<QWidget *> _widgets;
 
     //* map of managed shadows
     QMap<QWindow *, KWindowShadow *> _shadows;
 
     //*@name shadow tilesets
     //@{
     TileSet _tiles;
     TileSet _dockTiles;
     //@}
 
     //* number of shadow tiles
     enum { numTiles = 8 };
 
     //*@name shared shadow tiles
     //@{
     QVector<KWindowShadowTile::Ptr> _platformTiles;
     QVector<KWindowShadowTile::Ptr> _platformDockTiles;
     //@}
 
     //* shadow size
     int _size;
 };
 }
 
 #endif