workspace/kwin/kcmkwin/kwincompositing/monitor.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2008 Lubos Lunak <l.lunak@suse.cz>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #ifndef CCSM_MONITOR_H
  22 #define CCSM_MONITOR_H
  23
  24 #include <qactiongroup.h>
  25 #include <qgraphicsitem.h>
  26 #include <qlabel.h>
  27 #include <qvector.h>
  28
  29 class QAction;
  30 class QGraphicsView;
  31 class QGraphicsScene;
  32 class QMenu;
  33
  34 namespace KWin
  35 {
  36
  37 class Monitor
  38     : public QLabel
  39     {
  40     Q_OBJECT
  41     public:
  42         Monitor( QWidget* parent );
  43         void setEdge( int edge, bool set );
  44         bool edge( int edge ) const;
  45         void clear();
  46         void addEdgeItem( int edge, const QString& item );
  47         void selectEdgeItem( int edge, int index );
  48         int selectedEdgeItem( int edge ) const;
  49
  50         enum Edges
  51             {
  52             Left,
  53             Right,
  54             Top,
  55             Bottom,
  56             TopLeft,
  57             TopRight,
  58             BottomLeft,
  59             BottomRight
  60             };
  61     signals:
  62         void changed();
  63         void edgeSelectionChanged( int edge, int index );
  64     protected:
  65         virtual void resizeEvent( QResizeEvent* e );
  66     private:
  67         class Corner;
  68         void popup( Corner* c, QPoint pos );
  69         void flip( Corner* c, QPoint pos );
  70         void checkSize();
  71         QGraphicsView* view;
  72         QGraphicsScene* scene;
  73         QGraphicsRectItem* items[ 8 ];
  74         QMenu* popups[ 8 ];
  75         QVector< QAction* > popup_actions[ 8 ];
  76         QActionGroup* grp[ 8 ];
  77     };
  78
  79 class Monitor::Corner
  80     : public QGraphicsRectItem
  81     {
  82     public:
  83         Corner( Monitor* m );
  84     protected:
  85         virtual void contextMenuEvent( QGraphicsSceneContextMenuEvent* e );
  86         virtual void mousePressEvent( QGraphicsSceneMouseEvent* e );
  87     private:
  88         Monitor* monitor;
  89     };
  90
  91 } // namespace
  92
  93 #endif