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kjavaappletwidget.cpp

00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2000 Richard Moore <rich@kde.org>
00004  *               2000 Wynn Wilkes <wynnw@caldera.com>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  */
00021 
00022 #include "kjavaappletwidget.h"
00023 #include "kjavaappletserver.h"
00024 
00025 #include <kwin.h>
00026 #include <kdebug.h>
00027 #include <klocale.h>
00028 
00029 #include <qlabel.h>
00030 
00031 
00032 // For future expansion
00033 class KJavaAppletWidgetPrivate
00034 {
00035 friend class KJavaAppletWidget;
00036 private:
00037     QLabel* tmplabel;
00038 };
00039 
00040 int KJavaAppletWidget::appletCount = 0;
00041 
00042 KJavaAppletWidget::KJavaAppletWidget( QWidget* parent, const char* name )
00043    : QXEmbed ( parent, name)
00044 {
00045     setProtocol(QXEmbed::XPLAIN);
00046 
00047     m_applet = new KJavaApplet( this );
00048     d        = new KJavaAppletWidgetPrivate;
00049     m_kwm    = new KWinModule( this );
00050 
00051     d->tmplabel = new QLabel( this );
00052     d->tmplabel->setText( KJavaAppletServer::getAppletLabel() );
00053     d->tmplabel->setAlignment( Qt::AlignCenter | Qt::WordBreak );
00054     d->tmplabel->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
00055     d->tmplabel->show();
00056 
00057     m_swallowTitle.sprintf( "KJAS Applet - Ticket number %u", appletCount++ );
00058     m_applet->setWindowName( m_swallowTitle );
00059 }
00060 
00061 KJavaAppletWidget::~KJavaAppletWidget()
00062 {
00063     delete m_applet;
00064     delete d;
00065 }
00066 
00067 void KJavaAppletWidget::showApplet()
00068 {
00069     connect( m_kwm, SIGNAL( windowAdded( WId ) ),
00070              this,  SLOT( setWindow( WId ) ) );
00071 
00072     m_kwm->doNotManage( m_swallowTitle );
00073 
00074     //Now we send applet info to the applet server
00075     if ( !m_applet->isCreated() )
00076         m_applet->create();
00077 }
00078 
00079 void KJavaAppletWidget::setWindow( WId w )
00080 {
00081     //make sure that this window has the right name, if so, embed it...
00082     KWin::WindowInfo w_info = KWin::windowInfo( w );
00083     if ( m_swallowTitle == w_info.name() ||
00084          m_swallowTitle == w_info.visibleName() )
00085     {
00086         kdDebug(6100) << "swallowing our window: " << m_swallowTitle
00087                       << ", window id = " << w << endl;
00088         delete d->tmplabel;
00089         d->tmplabel = 0;
00090 
00091         // disconnect from KWM events
00092         disconnect( m_kwm, SIGNAL( windowAdded( WId ) ),
00093                     this,  SLOT( setWindow( WId ) ) );
00094 
00095 
00096         embed( w );
00097         setFocus();
00098     }
00099 }
00100 
00101 QSize KJavaAppletWidget::sizeHint() const
00102 {
00103     kdDebug(6100) << "KJavaAppletWidget::sizeHint()" << endl;
00104     QSize rval = QXEmbed::sizeHint();
00105 
00106     if( rval.width() == 0 || rval.height() == 0 )
00107     {
00108         if( width() != 0 && height() != 0 )
00109         {
00110             rval = QSize( width(), height() );
00111         }
00112     }
00113 
00114     kdDebug(6100) << "returning: (" << rval.width() << ", " << rval.height() << ")" << endl;
00115 
00116     return rval;
00117 }
00118 
00119 void KJavaAppletWidget::resize( int w, int h )
00120 {
00121     if( d->tmplabel )
00122     {
00123         d->tmplabel->resize( w, h );
00124         m_applet->setSize( QSize( w, h ) );
00125     }
00126 
00127     QXEmbed::resize( w, h );
00128 }
00129 
00130 void KJavaAppletWidget::showEvent (QShowEvent * e) {
00131     QXEmbed::showEvent(e);
00132     if (!applet()->isCreated() && !applet()->appletClass().isEmpty()) {
00133         // delayed showApplet
00134         if (applet()->size().width() <= 0)
00135             applet()->setSize (sizeHint());
00136         showApplet();
00137     }
00138 }
00139 
00140 #include "kjavaappletwidget.moc"
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kjavaappletwidget.cpp

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