#ifndef adwaitawindowmanager_h #define adwaitawindowmanager_h /************************************************************************* * Copyright (C) 2014 by Hugo Pereira Da Costa * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . * *************************************************************************/ #include "adwaita.h" #include "config-adwaita.h" #include #include #include #include #include #include #if ADWAITA_HAVE_KWAYLAND namespace KWayland { namespace Client { class Pointer; class Seat; } } #endif namespace Adwaita { class WindowManager: public QObject { Q_OBJECT public: //* constructor explicit WindowManager( QObject* ); //* destructor virtual ~WindowManager( void ) {} //* initialize /** read relevant options from config */ void initialize( void ); //* register widget void registerWidget( QWidget* ); //* unregister widget void unregisterWidget( QWidget* ); //* event filter [reimplemented] virtual bool eventFilter( QObject*, QEvent* ); protected: //* timer event, /** used to start drag if button is pressed for a long enough time */ void timerEvent( QTimerEvent* ); //* mouse press event bool mousePressEvent( QObject*, QEvent* ); //* mouse move event bool mouseMoveEvent( QObject*, QEvent* ); //* mouse release event bool mouseReleaseEvent( QObject*, QEvent* ); //*@name configuration //@{ //* enable state bool enabled( void ) const { return _enabled; } //* enable state void setEnabled( bool value ) { _enabled = value; } //* returns true if window manager is used for moving bool useWMMoveResize( void ) const { return supportWMMoveResize() && _useWMMoveResize; } //* use window manager for moving, when available void setUseWMMoveResize( bool value ) { _useWMMoveResize = value; } //* drag mode int dragMode( void ) const { return _dragMode; } //* drag mode void setDragMode( int value ) { _dragMode = value; } //* drag distance (pixels) void setDragDistance( int value ) { _dragDistance = value; } //* drag delay (msec) void setDragDelay( int value ) { _dragDelay = value; } //* set list of whiteListed widgets /** white list is read from options and is used to adjust per-app window dragging issues */ void initializeWhiteList(); //* set list of blackListed widgets /** black list is read from options and is used to adjust per-app window dragging issues */ void initializeBlackList( void ); //* initializes the Wayland specific parts void initializeWayland(); //* The Wayland Seat's hasPointer property changed void waylandHasPointerChanged(bool hasPointer); //@} //* returns true if widget is dragable bool isDragable( QWidget* ); //* returns true if widget is dragable bool isBlackListed( QWidget* ); //* returns true if widget is dragable bool isWhiteListed( QWidget* ) const; //* returns true if drag can be started from current widget bool canDrag( QWidget* ); //* returns true if drag can be started from current widget and position /** child at given position is passed as second argument */ bool canDrag( QWidget*, QWidget*, const QPoint& ); //* reset drag void resetDrag( void ); //* start drag void startDrag( QWidget*, const QPoint& ); //* X11 specific implementation for startDrag void startDragX11( QWidget*, const QPoint& ); //* Wayland specific implementation for startDrag void startDragWayland( QWidget*, const QPoint& ); //* returns true if window manager is used for moving /** right now this is true only for X11 */ bool supportWMMoveResize( void ) const; //* utility function bool isDockWidgetTitle( const QWidget* ) const; //*@name lock //@{ void setLocked( bool value ) { _locked = value; } //* lock bool isLocked( void ) const { return _locked; } //@} //* returns first widget matching given class, or 0L if none template T findParent( const QWidget* ) const; private: //* enability bool _enabled; //* use WM moveResize bool _useWMMoveResize; //* drag mode int _dragMode; //* drag distance /** this is copied from kwin::geometry */ int _dragDistance; //* drag delay /** this is copied from kwin::geometry */ int _dragDelay; //* wrapper for exception id class ExceptionId: public QPair { public: //* constructor explicit ExceptionId( const QString& value ) { const QStringList args( value.split( QChar::fromLatin1( '@' ) ) ); if( args.isEmpty() ) return; second = args[0].trimmed(); if( args.size()>1 ) first = args[1].trimmed(); } const QString& appName( void ) const { return first; } const QString& className( void ) const { return second; } }; //* exception set using ExceptionSet = QSet; //* list of white listed special widgets /** it is read from options and is used to adjust per-app window dragging issues */ ExceptionSet _whiteList; //* list of black listed special widgets /** it is read from options and is used to adjust per-app window dragging issues */ ExceptionSet _blackList; //* drag point QPoint _dragPoint; QPoint _globalDragPoint; //* drag timer QBasicTimer _dragTimer; //* target being dragged /** Weak pointer is used in case the target gets deleted while drag is in progress */ WeakPointer _target; //* true if drag is about to start bool _dragAboutToStart; //* true if drag is in progress bool _dragInProgress; //* true if drag is locked bool _locked; //* cursor override /** used to keep track of application cursor being overridden when dragging in non-WM mode */ bool _cursorOverride; //* application event filter QObject* _appEventFilter; #if ADWAITA_HAVE_KWAYLAND //* The Wayland seat object which needs to be passed to move requests. KWayland::Client::Seat* _seat; //* The Wayland pointer object where we get pointer events on. KWayland::Client::Pointer* _pointer; //* latest searial which needs to be passed to the move requests. quint32 _waylandSerial; #endif //* allow access of all private members to the app event filter friend class AppEventFilter; }; //____________________________________________________________________ template T WindowManager::findParent( const QWidget* widget ) const { if( !widget ) return 0L; for( QWidget* parent = widget->parentWidget(); parent; parent = parent->parentWidget() ) { if( T cast = qobject_cast(parent) ) return cast; } return 0L; } } #endif