workspace/plasma/shells/screensaver/plasmaapp.h

   1 /*
   2  *   Copyright 2006, 2007 Aaron Seigo <aseigo@kde.org>
   3  *   Copyright 2008 Chani Armitage <chanika@gmail.com>
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as
   7  *   published by the Free Software Foundation; either 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_APP_H
  22 #define PLASMA_APP_H
  23
  24 #include <QList>
  25
  26 #include <KUniqueApplication>
  27
  28 #include "ui_saverconfig.h"
  29
  30 namespace Plasma
  31 {
  32     class Containment;
  33     class Corona;
  34 } // namespace Plasma
  35
  36 class SaverView;
  37 class KConfigDialog;
  38
  39 class PlasmaApp : public KUniqueApplication
  40 {
  41     Q_OBJECT
  42     Q_CLASSINFO("D-Bus Interface", "org.kde.plasmaoverlay.App")
  43 public:
  44     ~PlasmaApp();
  45
  46     static PlasmaApp* self();
  47     static bool hasComposite();
  48
  49     Plasma::Corona* corona();
  50
  51     void setActiveOpacity(qreal opacity);
  52     void setIdleOpacity(qreal opacity);
  53     qreal activeOpacity() const;
  54     qreal idleOpacity() const;
  55
  56 Q_SIGNALS:
  57     // DBUS interface.
  58     //if you change stuff, remember to regenerate with:
  59     //qdbuscpp2xml -S -M plasmaapp.h > org.kde.plasma-overlay.App.xml
  60
  61     //XXX can this be deleted? probably. if lockprocess really cares it can use the unmapnotify
  62     void hidden();
  63
  64 public Q_SLOTS:
  65     // DBUS interface.
  66     //if you change stuff, remember to regenerate
  67     /**
  68      * tell plasma to go into active mode, ready for interaction
  69      */
  70     void activate();
  71
  72     /**
  73      * tell plasma to go into idle mode
  74      * this does not mean exit, it just means the computer is idle
  75      */
  76     void deactivate();
  77
  78     /**
  79      * lock widgets
  80      */
  81     void lock();
  82
  83     //not really slots, but we want them in dbus
  84
  85     /**
  86      * quit the application
  87      * this is a duplicate so we can have everything we need in one dbus interface
  88      */
  89     void quit();
  90
  91 private Q_SLOTS:
  92     void cleanup();
  93     void createView(Plasma::Containment *containment);
  94     void adjustSize(int screen);
  95     void dialogDestroyed(QObject *obj);
  96     void hideDialogs();
  97     void showDialogs();
  98     void createConfigurationInterface(KConfigDialog *parent);
  99     void configAccepted();
 100
 101 protected:
 102     bool eventFilter(QObject *obj, QEvent *event);
 103
 104 private:
 105     PlasmaApp(Display* display, Qt::HANDLE visual, Qt::HANDLE colormap);
 106
 107     Plasma::Corona *m_corona;
 108     SaverView *m_view;
 109     QList<QWidget*> m_dialogs;
 110     Ui::saverConfig ui;
 111
 112     qreal m_activeOpacity;
 113     qreal m_idleOpacity;
 114 };
 115
 116 #endif // multiple inclusion guard