kparts Library API Documentation

mainwindow.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 1999 Simon Hausmann <hausmann@kde.org>
00003              (C) 1999 David Faure <faure@kde.org>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 
00010    This library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public License
00016    along with this library; see the file COPYING.LIB.  If not, write to
00017    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018    Boston, MA 02111-1307, USA.
00019 */
00020 
00021 #include <kparts/mainwindow.h>
00022 #include <kparts/event.h>
00023 #include <kparts/part.h>
00024 #include <kparts/plugin.h>
00025 #include <kinstance.h>
00026 #include <kstatusbar.h>
00027 #include <khelpmenu.h>
00028 #include <kstandarddirs.h>
00029 #include <qapplication.h>
00030 #include <kxmlguifactory.h>
00031 
00032 #include <kaccel.h>
00033 #include <kdebug.h>
00034 
00035 #include <assert.h>
00036 
00037 using namespace KParts;
00038 
00039 namespace KParts
00040 {
00041 class MainWindowPrivate
00042 {
00043 public:
00044   MainWindowPrivate()
00045   {
00046     m_activePart = 0;
00047     m_bShellGUIActivated = false;
00048     m_helpMenu = 0;
00049   }
00050   ~MainWindowPrivate()
00051   {
00052   }
00053 
00054   QGuardedPtr<Part> m_activePart;
00055   bool m_bShellGUIActivated;
00056   KHelpMenu *m_helpMenu;
00057 };
00058 }
00059 
00060 MainWindow::MainWindow( QWidget* parent,  const char *name, WFlags f )
00061     : KMainWindow( parent, name, f )
00062 {
00063   d = new MainWindowPrivate();
00064   PartBase::setPartObject( this );
00065 }
00066 
00067 MainWindow::MainWindow( const char *name, WFlags f )
00068   : KMainWindow( 0L, name, f )
00069 {
00070   d = new MainWindowPrivate();
00071   PartBase::setPartObject( this );
00072 }
00073 
00074 MainWindow::~MainWindow()
00075 {
00076   delete d;
00077 }
00078 
00079 void MainWindow::createGUI( Part * part )
00080 {
00081   kdDebug(1000) << "MainWindow::createGUI, part=" << part << " " << ( part ? part->className() : "" )
00082                 << " " << ( part ? part->name() : "" )
00083                 << endl;
00084 
00085   KXMLGUIFactory *factory = guiFactory();
00086 
00087   assert( factory );
00088 
00089   setUpdatesEnabled( false );
00090 
00091   QPtrList<Plugin> plugins;
00092 
00093   if ( d->m_activePart )
00094   {
00095     kdDebug(1000) << "deactivating GUI for " << d->m_activePart << " " << d->m_activePart->className()
00096                   << " " << d->m_activePart->name() << endl;
00097 
00098     GUIActivateEvent ev( false );
00099     QApplication::sendEvent( d->m_activePart, &ev );
00100 
00101     factory->removeClient( d->m_activePart );
00102 
00103     disconnect( d->m_activePart, SIGNAL( setWindowCaption( const QString & ) ),
00104              this, SLOT( setCaption( const QString & ) ) );
00105     disconnect( d->m_activePart, SIGNAL( setStatusBarText( const QString & ) ),
00106              this, SLOT( slotSetStatusBarText( const QString & ) ) );
00107   }
00108 
00109   if ( !d->m_bShellGUIActivated )
00110   {
00111     loadPlugins( this, this, KGlobal::instance() );
00112     createShellGUI();
00113     d->m_bShellGUIActivated = true;
00114   }
00115 
00116   if ( part )
00117   {
00118     // do this before sending the activate event
00119     connect( part, SIGNAL( setWindowCaption( const QString & ) ),
00120              this, SLOT( setCaption( const QString & ) ) );
00121     connect( part, SIGNAL( setStatusBarText( const QString & ) ),
00122              this, SLOT( slotSetStatusBarText( const QString & ) ) );
00123 
00124     factory->addClient( part );
00125 
00126     GUIActivateEvent ev( true );
00127     QApplication::sendEvent( part, &ev );
00128   }
00129 
00130   setUpdatesEnabled( true );
00131 
00132   d->m_activePart = part;
00133 }
00134 
00135 void MainWindow::slotSetStatusBarText( const QString & text )
00136 {
00137   statusBar()->message( text );
00138 }
00139 
00140 void MainWindow::createShellGUI( bool create )
00141 {
00142     bool bAccelAutoUpdate = accel()->setAutoUpdate( false );
00143     assert( d->m_bShellGUIActivated != create );
00144     d->m_bShellGUIActivated = create;
00145     if ( create )
00146     {
00147         if ( isHelpMenuEnabled() && !d->m_helpMenu )
00148             d->m_helpMenu = new KHelpMenu( this, instance()->aboutData(), true, actionCollection() );
00149 
00150         QString f = xmlFile();
00151         setXMLFile( locate( "config", "ui/ui_standards.rc", instance() ) );
00152         if ( !f.isEmpty() )
00153             setXMLFile( f, true );
00154         else
00155         {
00156             QString auto_file( instance()->instanceName() + "ui.rc" );
00157             setXMLFile( auto_file, true );
00158         }
00159 
00160         GUIActivateEvent ev( true );
00161         QApplication::sendEvent( this, &ev );
00162 
00163         guiFactory()->addClient( this );
00164     }
00165     else
00166     {
00167         GUIActivateEvent ev( false );
00168         QApplication::sendEvent( this, &ev );
00169 
00170         guiFactory()->removeClient( this );
00171     }
00172     accel()->setAutoUpdate( bAccelAutoUpdate );
00173 }
00174 
00175 #include "mainwindow.moc"
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