workspace/plasma/shells/desktop/panelcontroller.h

   1 /*
   2  *   Copyright 2008 Marco Martin <notmart@gmail.com>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License as
   6  *   published by the Free Software Foundation; either version 2, or
   7  *   (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 PANELCONTROLLER_H
  21 #define PANELCONTROLLER_H
  22
  23 #include <QWidget>
  24
  25 #include <Plasma/Plasma>
  26
  27 #include "panelview.h"
  28
  29
  30
  31 namespace Plasma
  32 {
  33     class Containment;
  34 }
  35
  36 class PanelController : public QWidget
  37 {
  38 Q_OBJECT
  39 public:
  40
  41     PanelController(QWidget* parent = 0);
  42     ~PanelController();
  43
  44     QSize sizeHint() const;
  45
  46     QPoint positionForPanelGeometry(const QRect &panelGeom) const;
  47     void setContainment(Plasma::Containment *containment);
  48     void resizePanel(const QSizeF newSize);
  49
  50     void setLocation(const Plasma::Location &loc);
  51     Plasma::Location location() const;
  52
  53     void setOffset(int newOffset);
  54     int offset() const;
  55
  56     void setAlignment(const Qt::Alignment &newAlignment);
  57     Qt::Alignment alignment() const;
  58
  59     void setVisibilityMode(PanelView::VisibilityMode);
  60     PanelView::VisibilityMode panelVisibilityMode() const;
  61
  62 public Q_SLOTS:
  63     void themeChanged();
  64
  65 protected:
  66     void paintEvent(QPaintEvent *event);
  67     bool eventFilter(QObject *watched, QEvent *event);
  68     void focusOutEvent(QFocusEvent * event);
  69
  70 Q_SIGNALS:
  71     /**
  72      * Emitted when the controller requests an add widgets dialog is shown.
  73      */
  74      void offsetChanged(int offset);
  75      void alignmentChanged(Qt::Alignment);
  76      void locationChanged(Plasma::Location);
  77      void panelVisibilityModeChanged(PanelView::VisibilityMode mode);
  78
  79 private:
  80     void mouseMoveFilter(QMouseEvent *event);
  81
  82     Q_PRIVATE_SLOT(d, void rulersMoved(int offset, int minLength, int minLength))
  83     Q_PRIVATE_SLOT(d, void alignToggled(bool toggle))
  84     Q_PRIVATE_SLOT(d, void panelVisibilityModeChanged(bool toggle))
  85     Q_PRIVATE_SLOT(d, void settingsPopup())
  86     Q_PRIVATE_SLOT(d, void maximizePanel())
  87
  88     class ButtonGroup;
  89     class ResizeHandle;
  90     class Private;
  91     Private *d;
  92 };
  93
  94
  95 #endif // multiple inclusion guard
  96