workspace/plasma/containments/panel/panel.h

   1 /*
   2 *   Copyright 2007 by Alex Merry <alex.merry@kdemail.net>
   3 *   Copyright 2008 by Alexis Ménard <darktears31@gmail.com>
   4 *
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU Library General Public License version 2,
   8 *   or (at your option) any later version.
   9 *
  10 *   This program is distributed in the hope that it will be useful,
  11 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 *   GNU General Public License for more details
  14 *
  15 *   You should have received a copy of the GNU Library General Public
  16 *   License along with this program; if not, write to the
  17 *   Free Software Foundation, Inc.,
  18 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 */
  20
  21 #ifndef PLASMA_PANEL_H
  22 #define PLASMA_PANEL_H
  23
  24 #include <Plasma/Containment>
  25
  26 class QComboBox;
  27 class QAction;
  28 class KDialog;
  29 class KIntNumInput;
  30 class Spacer;
  31
  32 namespace Plasma
  33 {
  34     class FrameSvg;
  35 }
  36
  37 class Panel : public Plasma::Containment
  38 {
  39     Q_OBJECT
  40 public:
  41     Panel(QObject *parent, const QVariantList &args);
  42     ~Panel();
  43     void init();
  44     QList<QAction*> contextualActions();
  45
  46     void constraintsEvent(Plasma::Constraints constraints);
  47
  48     void paintInterface(QPainter *painter,
  49                         const QStyleOptionGraphicsItem *option,
  50                         const QRect &contentsRect);
  51     void paintBackground(QPainter *painter, const QRect &contentsRect);
  52     void showDropZone(const QPoint pos);
  53
  54 protected:
  55     void saveState(KConfigGroup &config) const;
  56
  57 private slots:
  58     void themeUpdated();
  59     void backgroundChanged();
  60     void layoutApplet(Plasma::Applet* applet, const QPointF &pos);
  61     void appletRemoved(Plasma::Applet* applet);
  62     void updateSize();
  63     void addPanel();
  64
  65 private:
  66     /**
  67      * update the formfactor based on the location
  68      */
  69     void setFormFactorFromLocation(Plasma::Location loc);
  70
  71     /**
  72      * recalculate which borders to show
  73      */
  74     void updateBorders(const QRect &geom);
  75
  76     Plasma::FrameSvg *m_background;
  77     QAction* m_configureAction;
  78     QAction* m_addPanelAction;
  79
  80     //cached values
  81     QSize m_currentSize;
  82     QRect m_lastViewGeom;
  83     bool m_maskDirty;
  84     int m_spacerIndex;
  85     Spacer *m_spacer;
  86
  87     friend class Spacer;
  88 };
  89
  90
  91 #endif // PLASMA_PANEL_H