workspace/kcontrol/kdm/positioner.h

   1 /*
   2     Copyright (C) 2006 Oswald Buddenhagen <ossi@kde.org>
   3
   4     This program is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef POSITIONER_H
  21 #define POSITIONER_H
  22
  23 #include <QImage>
  24 #include <QPixmap>
  25 #include <QWidget>
  26
  27 class QFrame;
  28 class QLabel;
  29
  30 class Positioner : public QWidget {
  31         Q_OBJECT
  32
  33   public:
  34         Positioner( QWidget *parent );
  35         void setPosition( int x, int y );
  36         int x() const { return m_x; }
  37         int y() const { return m_y; }
  38         void makeReadOnly() { m_readOnly = true; }
  39
  40   Q_SIGNALS:
  41         void positionChanged();
  42
  43   protected:
  44         virtual void resizeEvent( QResizeEvent *event );
  45         virtual void paintEvent( QPaintEvent *event );
  46         virtual void mousePressEvent( QMouseEvent *event );
  47         virtual void mouseMoveEvent( QMouseEvent *event );
  48         virtual void focusInEvent( QFocusEvent *event );
  49         virtual void focusOutEvent( QFocusEvent *event );
  50         virtual void keyPressEvent( QKeyEvent * event );
  51         virtual int heightForWidth( int w ) const;
  52
  53   private:
  54         void updateHandle();
  55
  56         bool m_readOnly;
  57         int m_x, m_y;
  58         QPoint m_delta;
  59         QFrame *m_frame;
  60         QWidget *m_screen;
  61         QFrame *m_dlg;
  62         QLabel *m_ptr;
  63         QImage m_monitor;
  64         QPixmap m_scaledMonitor;
  65         QPixmap m_anchor;
  66
  67 };
  68
  69 #endif // POSITIONER_H