workspace/plasma/shells/desktop/panelappletoverlay.h

   1 /*
   2  *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as
   6  *   published by the Free Software Foundation; either version 2,
   7  *   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
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef APPLETMOVEOVERLAY_H
  21 #define APPLETMOVEOVERLAY_H
  22
  23 #include <QWidget>
  24
  25 class QGraphicsLinearLayout;
  26 class QGraphicsWidget;
  27
  28 namespace Plasma
  29 {
  30     class Applet;
  31 }
  32
  33 class PanelAppletOverlay : public QWidget
  34 {
  35     Q_OBJECT
  36
  37 public:
  38     PanelAppletOverlay(Plasma::Applet *applet, QWidget *parent);
  39     ~PanelAppletOverlay();
  40
  41     void syncOrientation();
  42
  43 protected:
  44     void paintEvent(QPaintEvent *event);
  45     void mousePressEvent(QMouseEvent *event);
  46     void mouseMoveEvent(QMouseEvent *event);
  47     void mouseReleaseEvent(QMouseEvent *event);
  48     void enterEvent(QEvent *event);
  49     void leaveEvent(QEvent *event);
  50
  51 protected slots:
  52     void delaySyncGeometry();
  53     void syncGeometry();
  54
  55 private:
  56     void swapWithPrevious();
  57     void swapWithNext();
  58
  59     Plasma::Applet *m_applet;
  60     QGraphicsWidget *m_spacer;
  61     Qt::Orientation m_orientation;
  62     QGraphicsLinearLayout *m_layout;
  63     QRectF m_prevGeom;
  64     QRectF m_nextGeom;
  65     QPoint m_origin;
  66     int m_offset;
  67     int m_index;
  68     bool m_clickDrag;
  69 };
  70
  71 #endif
  72