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kjavaappletwidget.cpp

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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 <kwindowsystem.h>
00026 #include <kdebug.h>
00027 #include <klocale.h>
00028 
00029 #include <QtGui/QLabel>
00030 
00031 #ifndef Q_WS_X11
00032 #define QXEmbed QWidget
00033 #endif
00034 
00035 // For future expansion
00036 class KJavaAppletWidgetPrivate
00037 {
00038 friend class KJavaAppletWidget;
00039 private:
00040     QLabel* tmplabel;
00041 };
00042 
00043 int KJavaAppletWidget::appletCount = 0;
00044 
00045 KJavaAppletWidget::KJavaAppletWidget( QWidget* parent )
00046    : QX11EmbedContainer ( parent ),
00047    d(new KJavaAppletWidgetPrivate)
00048 {
00049     //setProtocol(QXEmbed::XPLAIN);
00050 
00051     m_applet = new KJavaApplet( this );
00052 
00053     d->tmplabel = new QLabel( this );
00054     d->tmplabel->setText( KJavaAppletServer::getAppletLabel() );
00055     d->tmplabel->setAlignment( Qt::AlignCenter );
00056     d->tmplabel->setWordWrap( true );
00057     d->tmplabel->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
00058     d->tmplabel->show();
00059 
00060     m_swallowTitle.sprintf( "KJAS Applet - Ticket number %u", appletCount++ );
00061     m_applet->setWindowName( m_swallowTitle );
00062 }
00063 
00064 KJavaAppletWidget::~KJavaAppletWidget()
00065 {
00066     delete m_applet;
00067     delete d;
00068 }
00069 
00070 void KJavaAppletWidget::showApplet()
00071 {
00072 #ifdef Q_WS_X11
00073     connect( KWindowSystem::self(), SIGNAL( windowAdded( WId ) ),
00074              this,  SLOT( setWindow( WId ) ) );
00075 
00076     KWindowSystem::doNotManage( m_swallowTitle );
00077 
00078     //Now we send applet info to the applet server
00079     if ( !m_applet->isCreated() )
00080         m_applet->create();
00081 #endif
00082 }
00083 
00084 void KJavaAppletWidget::setWindow( WId w )
00085 {
00086 #ifdef Q_WS_X11
00087     //make sure that this window has the right name, if so, embed it...
00088     KWindowInfo w_info = KWindowSystem::windowInfo( w, NET::WMVisibleName | NET::WMName );
00089     if ( m_swallowTitle == w_info.name() ||
00090          m_swallowTitle == w_info.visibleName() )
00091     {
00092         kDebug(6100) << "swallowing our window: " << m_swallowTitle
00093                       << ", window id = " << w << endl;
00094         delete d->tmplabel;
00095         d->tmplabel = 0;
00096 
00097         // disconnect from KWM events
00098         disconnect( KWindowSystem::self(), SIGNAL( windowAdded( WId ) ),
00099                     this,  SLOT( setWindow( WId ) ) );
00100 
00101         embedClient( w );
00102         setFocus();
00103     }
00104 #else
00105     //TODO
00106 #endif
00107 }
00108 
00109 QSize KJavaAppletWidget::sizeHint() const
00110 {
00111     kDebug(6100) << "KJavaAppletWidget::sizeHint()";
00112     QSize rval = QX11EmbedContainer::sizeHint();
00113 
00114     if( rval.width() == 0 || rval.height() == 0 )
00115     {
00116         if( width() != 0 && height() != 0 )
00117         {
00118             rval = QSize( width(), height() );
00119         }
00120     }
00121 
00122     kDebug(6100) << "returning: (" << rval.width() << ", " << rval.height() << ")";
00123 
00124     return rval;
00125 }
00126 
00127 void KJavaAppletWidget::resize( int w, int h )
00128 {
00129     if( d->tmplabel )
00130     {
00131         d->tmplabel->resize( w, h );
00132         m_applet->setSize( QSize( w, h ) );
00133     }
00134 
00135     QX11EmbedContainer::resize( w, h );
00136 }
00137 
00138 void KJavaAppletWidget::showEvent (QShowEvent * e) {
00139     QX11EmbedContainer::showEvent(e);
00140     if (!applet()->isCreated() && !applet()->appletClass().isEmpty()) {
00141         // delayed showApplet
00142         if (applet()->size().width() <= 0)
00143             applet()->setSize (sizeHint());
00144         showApplet();
00145     }
00146 }
00147 
00148 #include "kjavaappletwidget.moc"

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