add OTaskbarAppletWrapper for reducing the repetition of boiler-plate-code

1 files changed, 129 insertions, 0 deletions

diff --git a/libopie2/opieui/otaskbarapplet.h b/libopie2/opieui/otaskbarapplet.h
new file mode 100644
index 0000000..686b91a
--- a/dev/null
+++ b/libopie2/opieui/otaskbarapplet.h
@@ -0,0 +1,129 @@
+/*
+                             This file is part of the Opie Project
+
+                             Copyright (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+              =.
+            .=l.
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This program is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef OTASKBARAPPLET_H
+#define OTASKBARAPPLET_H
+
+#include <qpe/taskbarappletinterface.h>
+
+/*======================================================================================
+ * OTaskbarAppletWrapper
+ *======================================================================================*/
+
+template<class T> class OTaskbarAppletWrapper : public TaskbarAppletInterface
+{
+  public:
+    OTaskbarAppletWrapper():_applet( 0 ), ref( 0 )
+    {
+    }
+
+    virtual ~OTaskbarAppletWrapper()
+    {
+        delete _applet;
+    }
+
+    QRESULT queryInterface( const QUuid& uuid, QUnknownInterface** iface )
+    {
+        qDebug( "OTaskbarAppletWrapper::queryInterface()" );
+        *iface = 0;
+        if ( uuid == IID_QUnknown )
+            *iface = this;
+        else if ( uuid == IID_TaskbarApplet )
+            *iface = this;
+
+        if ( *iface ) (*iface)->addRef();
+        return QS_OK;
+    }
+
+    Q_REFCOUNT
+
+    virtual T* applet( QWidget* parent )
+    {
+        if ( !_applet ) _applet = new T( parent );
+        return _applet;
+    }
+
+    virtual int position() const
+    {
+        return T::position();
+    }
+
+  private:
+    T* _applet;
+    ulong ref;
+};
+
+#include <qframe.h>
+#include <qwidget.h>
+#include <qpe/qpeapplication.h>
+
+class QMouseEvent;
+
+/*======================================================================================
+ * OTaskbarApplet
+ *======================================================================================*/
+
+// Must be inline until after we shipped Opie 1.0
+
+// Having OTaskBarApplet reside in libopieui2 is not possible
+// until we link the launcher binary against libopieui2 -
+// otherwise the necessary symbols are not present, when
+// the dynamic loader [dlopen] tries to resolve an applet which
+// inherits OTaskbarApplet
+
+class OTaskbarApplet : public QWidget
+{
+  public:
+    OTaskbarApplet( QWidget* parent, const char* name = 0 ):QWidget( parent, name )
+    {
+        setFixedHeight( 18 );
+        setFixedWidth( 14 );
+    }
+
+    virtual ~OTaskbarApplet()
+    {
+    }
+
+  protected:
+    virtual void popup( QWidget* widget )
+    {
+        QPoint curPos = mapToGlobal( QPoint( 0, 0 ) );
+        int w = widget->sizeHint().width();
+        int x = curPos.x() - (w/2 );
+        if ( (x+w) > QPEApplication::desktop()->width() )
+            x = QPEApplication::desktop()->width()-w;
+        widget->move( x, curPos.y()-widget->sizeHint().height() );
+        widget->show();
+    }
+};
+
+#endif
+