open communication channel and listen for messages

2 files changed, 68 insertions, 11 deletions

diff --git a/noncore/applets/pyquicklaunch/pyquicklaunch.cpp b/noncore/applets/pyquicklaunch/pyquicklaunch.cpp
index 2ee8e17..bcd2f0d 100644
--- a/noncore/applets/pyquicklaunch/pyquicklaunch.cpp
+++ b/noncore/applets/pyquicklaunch/pyquicklaunch.cpp
@@ -1,109 +1,155 @@
 /**********************************************************************
 ** Copyright (C) 2004 Michael 'Mickey' Lauer <mickey@vanille.de>
 ** All rights reserved.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "pyquicklaunch.h"
 
 /* OPIE */
 #include <opie2/odebug.h>
 #include <opie2/otaskbarapplet.h>
-#include <qpe/qpeapplication.h>
 #include <qpe/config.h>
+#include <qpe/qpeapplication.h>
+#include <qpe/resource.h>
 using namespace Opie::Core;
 
 /* QT */
+#include <qcopchannel_qws.h>
 #include <qpainter.h>
 #include <qframe.h>
+#include <qfile.h>
+#include <qtimer.h>
+
+/* STD */
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 PyQuicklaunchControl::PyQuicklaunchControl( PyQuicklaunchApplet *applet, QWidget *parent, const char *name )
         : QFrame( parent, name, WStyle_StaysOnTop | WType_Popup ), applet( applet )
 {
 
     setFrameStyle( QFrame::PopupPanel | QFrame::Raised );
     setFixedSize( sizeHint() );
     setFocusPolicy( QWidget::NoFocus );
 }
 
 
 void PyQuicklaunchControl::show( bool )
 {
     QPoint curPos = applet->mapToGlobal( QPoint ( 0, 0 ) );
 
     int w = sizeHint().width();
     int x = curPos.x() - ( w / 2 );
 
     if ( ( x + w ) > QPEApplication::desktop() ->width() )
         x = QPEApplication::desktop ( ) -> width ( ) - w;
 
     move( x, curPos.y () - sizeHint().height () );
     QFrame::show();
 }
 
 void PyQuicklaunchControl::readConfig()
 {
     Config cfg( "qpe" );
     cfg.setGroup( "PyQuicklaunch" );
 
     // ...
 }
 
 void PyQuicklaunchControl::writeConfigEntry( const char *entry, int val )
 {
     Config cfg( "qpe" );
     cfg.setGroup( "PyQuicklaunch" );
     cfg.writeEntry( entry, val );
 }
 
 //===========================================================================
 
 PyQuicklaunchApplet::PyQuicklaunchApplet( QWidget *parent, const char *name )
-        : QWidget( parent, name )
+        : QWidget( parent, name ), online( false )
 {
     setFixedHeight( 18 );
     setFixedWidth( 14 );
     status = new PyQuicklaunchControl( this, this, "Python Quicklaunch Status" );
+
+    _online = Resource::loadPixmap( "pyquicklaunch/online" );
+    _offline = Resource::loadPixmap( "pyquicklaunch/offline" );
+
+    _fifoName = QString().sprintf( "/tmp/mickeys-quicklauncher-%s", ::getpwuid( ::getuid() )->pw_name );
+    odebug << "PyQuicklaunchApplet fifo name = '" << _fifoName << "'" << oendl;
+    _fifo.setName( _fifoName );
+
+    _control = new QCopChannel( "QPE/PyLauncher", parent, "PyLauncher QCop Control Channel" );
+    connect( _control, SIGNAL(received(const QCString&,const QByteArray&)),
+             this, SLOT(receivedMessage(const QCString&,const QByteArray&) ) );
+
 }
 
 
 PyQuicklaunchApplet::~PyQuicklaunchApplet()
-{}
+{
+}
+
+
+void PyQuicklaunchApplet::receivedMessage( const QCString& msg, const QByteArray& data )
+{
+    odebug << "receivedMessage = '" << msg << "' " << oendl;
+
+    if ( msg == "setOnline()" )
+    {
+        online = true;
+        repaint( true );
+    }
+    else if ( msg == "setOffline()" )
+    {
+        online = false;
+        repaint( true );
+    }
+    else
+    {
+        odebug << "unknown command." << oendl;
+    }
+}
 
 
 void PyQuicklaunchApplet::timerEvent( QTimerEvent* )
 {
-    // FIXME
+    bool nowOnline = _fifo.exists();
+    if ( nowOnline != online )
+    {
+        online = nowOnline;
+        repaint( true );
+    }
 }
 
+
 void PyQuicklaunchApplet::mousePressEvent( QMouseEvent * )
 {
      status->isVisible() ? status->hide() : status->show( true );
 }
 
+
 void PyQuicklaunchApplet::paintEvent( QPaintEvent* )
 {
     QPainter p( this );
-    int h = height();
-    int w = width();
-
-    // FIXME
-
+    p.drawPixmap( 0, 2, online ? _online : _offline );
 }
 
 
 int PyQuicklaunchApplet::position()
 {
     return 6;
 }
 
 EXPORT_OPIE_APPLET_v1( PyQuicklaunchApplet )
 
diff --git a/noncore/applets/pyquicklaunch/pyquicklaunch.h b/noncore/applets/pyquicklaunch/pyquicklaunch.h
index e99f780..f108b43 100644
--- a/noncore/applets/pyquicklaunch/pyquicklaunch.h
+++ b/noncore/applets/pyquicklaunch/pyquicklaunch.h
@@ -1,57 +1,68 @@
 /**********************************************************************
 ** Copyright (C) 2004 Michael 'Mickey' Lauer <mickey@Vanille.de>
 ** All rights reserved.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #ifndef PYQUICKLAUNCHAPPLET_H
 #define PYQUICKLAUNCHAPPLET_H
 
 #include <qwidget.h>
+#include <qfile.h>
 #include <qframe.h>
 #include <qpixmap.h>
 
 class PyQuicklaunchApplet;
+class QCopChannel;
 
 class PyQuicklaunchControl : public QFrame
 {
     Q_OBJECT
   public:
     PyQuicklaunchControl( PyQuicklaunchApplet* icon, QWidget *parent=0, const char *name=0 );
     void show( bool );
 
     void readConfig();
     void writeConfigEntry( const char* entry, int val );
 
-  public slots:
-
   private:
     PyQuicklaunchApplet* applet;
 };
 
 class PyQuicklaunchApplet : public QWidget
 {
     Q_OBJECT
   public:
     PyQuicklaunchApplet( QWidget *parent = 0, const char *name=0 );
     ~PyQuicklaunchApplet();
     static int position();
     PyQuicklaunchControl* status;
 
     virtual void timerEvent( QTimerEvent* );
+    bool online;
+
+  public slots:
+    void receivedMessage( const QCString & msg, const QByteArray & data );
 
   protected:
     virtual void mousePressEvent( QMouseEvent * );
     virtual void paintEvent( QPaintEvent* );
+
+  private:
+    QCopChannel* _control;
+    QFile _fifo;
+    QString _fifoName;
+    QPixmap _online;
+    QPixmap _offline;
 };
 
 #endif // PYQUICKLAUNCHAPPLET_H