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
@@ -19,4 +19,5 @@
 #include <opie2/otaskbarapplet.h>
-#include <qpe/qpeapplication.h>
 #include <qpe/config.h>
+#include <qpe/qpeapplication.h>
+#include <qpe/resource.h>
 using namespace Opie::Core;
@@ -24,4 +25,12 @@ 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>
 
@@ -69,3 +78,3 @@ void PyQuicklaunchControl::writeConfigEntry( const char *entry, int val )
 PyQuicklaunchApplet::PyQuicklaunchApplet( QWidget *parent, const char *name )
-        : QWidget( parent, name )
+        : QWidget( parent, name ), online( false )
 {
@@ -74,2 +83,14 @@ PyQuicklaunchApplet::PyQuicklaunchApplet( QWidget *parent, const char *name )
     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&) ) );
+
 }
@@ -78,3 +99,25 @@ PyQuicklaunchApplet::PyQuicklaunchApplet( QWidget *parent, const char *name )
 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;
+    }
+}
 
@@ -83,5 +126,11 @@ void PyQuicklaunchApplet::timerEvent( QTimerEvent* )
 {
-    // FIXME
+    bool nowOnline = _fifo.exists();
+    if ( nowOnline != online )
+    {
+        online = nowOnline;
+        repaint( true );
+    }
 }
 
+
 void PyQuicklaunchApplet::mousePressEvent( QMouseEvent * )
@@ -91,2 +140,3 @@ void PyQuicklaunchApplet::mousePressEvent( QMouseEvent * )
 
+
 void PyQuicklaunchApplet::paintEvent( QPaintEvent* )
@@ -94,7 +144,3 @@ void PyQuicklaunchApplet::paintEvent( QPaintEvent* )
     QPainter p( this );
-    int h = height();
-    int w = width();
-
-    // FIXME
-
+    p.drawPixmap( 0, 2, online ? _online : _offline );
 }
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
@@ -18,2 +18,3 @@
 #include <qwidget.h>
+#include <qfile.h>
 #include <qframe.h>
@@ -22,2 +23,3 @@
 class PyQuicklaunchApplet;
+class QCopChannel;
 
@@ -33,4 +35,2 @@ class PyQuicklaunchControl : public QFrame
 
-  public slots:
-
   private:
@@ -49,2 +49,6 @@ class PyQuicklaunchApplet : public QWidget
     virtual void timerEvent( QTimerEvent* );
+    bool online;
+
+  public slots:
+    void receivedMessage( const QCString & msg, const QByteArray & data );
 
@@ -53,2 +57,9 @@ class PyQuicklaunchApplet : public QWidget
     virtual void paintEvent( QPaintEvent* );
+
+  private:
+    QCopChannel* _control;
+    QFile _fifo;
+    QString _fifoName;
+    QPixmap _online;
+    QPixmap _offline;
 };