khtml/java/kjavaappletwidget.cpp

   1 /* This file is part of the KDE project
   2  *
   3  * Copyright (C) 2000 Richard Moore <rich@kde.org>
   4  *               2000 Wynn Wilkes <wynnw@caldera.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "kjavaappletwidget.h"
  23 #include "kjavaappletserver.h"
  24
  25 #include <kwindowsystem.h>
  26 #include <kdebug.h>
  27 #include <klocale.h>
  28
  29 #include <QtGui/QLabel>
  30
  31 #ifndef Q_WS_X11
  32 #define QXEmbed QWidget
  33 #endif
  34
  35 // For future expansion
  36 class KJavaAppletWidgetPrivate
  37 {
  38 friend class KJavaAppletWidget;
  39 private:
  40     QLabel* tmplabel;
  41 };
  42
  43 int KJavaAppletWidget::appletCount = 0;
  44
  45 KJavaAppletWidget::KJavaAppletWidget( QWidget* parent )
  46    : QX11EmbedContainer ( parent ),
  47    d(new KJavaAppletWidgetPrivate)
  48 {
  49     //setProtocol(QXEmbed::XPLAIN);
  50
  51     m_applet = new KJavaApplet( this );
  52
  53     d->tmplabel = new QLabel( this );
  54     d->tmplabel->setText( KJavaAppletServer::getAppletLabel() );
  55     d->tmplabel->setAlignment( Qt::AlignCenter );
  56     d->tmplabel->setWordWrap( true );
  57     d->tmplabel->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
  58     d->tmplabel->show();
  59
  60     m_swallowTitle.sprintf( "KJAS Applet - Ticket number %u", appletCount++ );
  61     m_applet->setWindowName( m_swallowTitle );
  62 }
  63
  64 KJavaAppletWidget::~KJavaAppletWidget()
  65 {
  66     delete m_applet;
  67     delete d;
  68 }
  69
  70 void KJavaAppletWidget::showApplet()
  71 {
  72 #ifdef Q_WS_X11
  73     connect( KWindowSystem::self(), SIGNAL( windowAdded( WId ) ),
  74                  this,  SLOT( setWindow( WId ) ) );
  75
  76     KWindowSystem::doNotManage( m_swallowTitle );
  77
  78     //Now we send applet info to the applet server
  79     if ( !m_applet->isCreated() )
  80         m_applet->create();
  81 #endif
  82 }
  83
  84 void KJavaAppletWidget::setWindow( WId w )
  85 {
  86 #ifdef Q_WS_X11
  87     //make sure that this window has the right name, if so, embed it...
  88     KWindowInfo w_info = KWindowSystem::windowInfo( w, NET::WMVisibleName | NET::WMName );
  89     if ( m_swallowTitle == w_info.name() ||
  90          m_swallowTitle == w_info.visibleName() )
  91     {
  92         kDebug(6100) << "swallowing our window: " << m_swallowTitle
  93                       << ", window id = " << w << endl;
  94         delete d->tmplabel;
  95         d->tmplabel = 0;
  96
  97         // disconnect from KWM events
  98         disconnect( KWindowSystem::self(), SIGNAL( windowAdded( WId ) ),
  99                     this,  SLOT( setWindow( WId ) ) );
 100
 101         embedClient( w );
 102         setFocus();
 103     }
 104 #else
 105     //TODO
 106 #endif
 107 }
 108
 109 QSize KJavaAppletWidget::sizeHint() const
 110 {
 111     kDebug(6100) << "KJavaAppletWidget::sizeHint()";
 112     QSize rval = QX11EmbedContainer::sizeHint();
 113
 114     if( rval.width() == 0 || rval.height() == 0 )
 115     {
 116         if( width() != 0 && height() != 0 )
 117         {
 118             rval = QSize( width(), height() );
 119         }
 120     }
 121
 122     kDebug(6100) << "returning: (" << rval.width() << ", " << rval.height() << ")";
 123
 124     return rval;
 125 }
 126
 127 void KJavaAppletWidget::resize( int w, int h )
 128 {
 129     if( d->tmplabel )
 130     {
 131         d->tmplabel->resize( w, h );
 132         m_applet->setSize( QSize( w, h ) );
 133     }
 134
 135     QX11EmbedContainer::resize( w, h );
 136 }
 137
 138 void KJavaAppletWidget::showEvent (QShowEvent * e) {
 139     QX11EmbedContainer::showEvent(e);
 140     if (!applet()->isCreated() && !applet()->appletClass().isEmpty()) {
 141         // delayed showApplet
 142         if (applet()->size().width() <= 0)
 143             applet()->setSize (sizeHint());
 144         showApplet();
 145     }
 146 }
 147
 148 #include "kjavaappletwidget.moc"