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KParts

mainwindow.cpp

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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., 51 Franklin Street, Fifth Floor,
00018    Boston, MA 02110-1301, USA.
00019 */
00020 
00021 #include "mainwindow.h"
00022 #include <kedittoolbar.h>
00023 #include <kparts/event.h>
00024 #include <kparts/part.h>
00025 #include <kparts/plugin.h>
00026 #include <kcomponentdata.h>
00027 #include <kstatusbar.h>
00028 #include <khelpmenu.h>
00029 #include <kstandarddirs.h>
00030 #include <QtGui/QApplication>
00031 #include <kxmlguifactory.h>
00032 #include <kconfiggroup.h>
00033 
00034 #include <kdebug.h>
00035 
00036 #include <assert.h>
00037 
00038 using namespace KParts;
00039 
00040 namespace KParts
00041 {
00042 class MainWindowPrivate
00043 {
00044 public:
00045     MainWindowPrivate()
00046         : m_activePart(0),
00047           m_bShellGUIActivated(false),
00048           m_helpMenu(0)
00049     {
00050     }
00051     ~MainWindowPrivate()
00052     {
00053     }
00054 
00055     QPointer<Part> m_activePart;
00056     bool m_bShellGUIActivated;
00057     KHelpMenu *m_helpMenu;
00058 };
00059 }
00060 
00061 MainWindow::MainWindow( QWidget* parent, Qt::WindowFlags f )
00062     : KXmlGuiWindow( parent, f ), d(new MainWindowPrivate())
00063 {
00064   PartBase::setPartObject( this );
00065 }
00066 
00067 MainWindow::MainWindow( QWidget* parent, const char *name, Qt::WindowFlags f )
00068   : KXmlGuiWindow( parent, f ),d(new MainWindowPrivate())
00069 {
00070   setObjectName( name );
00071   PartBase::setPartObject( this );
00072 }
00073 
00074 MainWindow::~MainWindow()
00075 {
00076   delete d;
00077 }
00078 
00079 void MainWindow::createGUI( Part * part )
00080 {
00081   kDebug(1000) << "MainWindow::createGUI, part=" << part << " "
00082                 << ( part ? part->metaObject()->className() : "" )
00083                 << " " << ( part ? part->objectName() : "" )
00084                 << endl;
00085 
00086   KXMLGUIFactory *factory = guiFactory();
00087 
00088   assert( factory );
00089 
00090     if (autoSaveSettings() && settingsDirty()) {
00091         // Save any unsaved window settings before we change the gui,
00092         // so that the applyMainWindowSettings call below will re-apply the right settings.
00093         // Testcase: hiding a konqueror toolbar and switching tabs immediately.
00094         saveAutoSaveSettings();
00095     }
00096 
00097   if ( d->m_activePart )
00098   {
00099     kDebug(1000) << "deactivating GUI for " << d->m_activePart << " "
00100                   << d->m_activePart->metaObject()->className()
00101                   << " " << d->m_activePart->objectName() << endl;
00102 
00103     GUIActivateEvent ev( false );
00104     QApplication::sendEvent( d->m_activePart, &ev );
00105 
00106     factory->removeClient( d->m_activePart );
00107 
00108     disconnect( d->m_activePart, SIGNAL( setWindowCaption( const QString & ) ),
00109              this, SLOT( setCaption( const QString & ) ) );
00110     disconnect( d->m_activePart, SIGNAL( setStatusBarText( const QString & ) ),
00111              this, SLOT( slotSetStatusBarText( const QString & ) ) );
00112   }
00113 
00114   if ( !d->m_bShellGUIActivated )
00115   {
00116     loadPlugins( this, this, KGlobal::mainComponent() );
00117     createShellGUI();
00118     d->m_bShellGUIActivated = true;
00119   }
00120 
00121   if ( part )
00122   {
00123     // do this before sending the activate event
00124     connect( part, SIGNAL( setWindowCaption( const QString & ) ),
00125              this, SLOT( setCaption( const QString & ) ) );
00126     connect( part, SIGNAL( setStatusBarText( const QString & ) ),
00127              this, SLOT( slotSetStatusBarText( const QString & ) ) );
00128 
00129     factory->addClient( part );
00130 
00131     GUIActivateEvent ev( true );
00132     QApplication::sendEvent( part, &ev );
00133 
00134     // If the saved mainwindow settings contain settings for a part-specific
00135     // toolbar, that just appeared right now (when activating this part for the first time),
00136     // then those settings need to be applied --> done by applyMainWindowSettings below.
00137     // Technically, this isn't KParts specific so it should probably be done inside
00138     // KXMLGUIFactory/KXMLGUIBuilder, though...
00139     if ( autoSaveSettings() ) {
00140         QWidget *focus = QApplication::focusWidget();
00141         applyMainWindowSettings(autoSaveConfigGroup());
00142 
00143         //The call to applyMainWindowSettings likes to steal focus via the
00144         //call to QMainWindow::restoreState.  Don't let it.
00145         if (focus)
00146             focus->setFocus();
00147     }
00148   }
00149 
00150   d->m_activePart = part;
00151 }
00152 
00153 void MainWindow::slotSetStatusBarText( const QString & text )
00154 {
00155   statusBar()->showMessage( text );
00156 }
00157 
00158 void MainWindow::createShellGUI( bool create )
00159 {
00160     assert( d->m_bShellGUIActivated != create );
00161     d->m_bShellGUIActivated = create;
00162     if ( create )
00163     {
00164         if ( isHelpMenuEnabled() && !d->m_helpMenu )
00165             d->m_helpMenu = new KHelpMenu( this, componentData().aboutData(), true, actionCollection() );
00166 
00167         QString f = xmlFile();
00168         setXMLFile( KStandardDirs::locate( "config", "ui/ui_standards.rc", componentData() ) );
00169         if ( !f.isEmpty() )
00170             setXMLFile( f, true );
00171         else
00172         {
00173             QString auto_file( componentData().componentName() + "ui.rc" );
00174             setXMLFile( auto_file, true );
00175         }
00176 
00177         GUIActivateEvent ev( true );
00178         QApplication::sendEvent( this, &ev );
00179 
00180         guiFactory()->addClient( this );
00181     }
00182     else
00183     {
00184         GUIActivateEvent ev( false );
00185         QApplication::sendEvent( this, &ev );
00186 
00187         guiFactory()->removeClient( this );
00188     }
00189 }
00190 
00191 void KParts::MainWindow::saveNewToolbarConfig()
00192 {
00193     createGUI(d->m_activePart);
00194     KConfigGroup cg(KGlobal::config(), QString());
00195     applyMainWindowSettings(cg);
00196 }
00197 
00198 void KParts::MainWindow::configureToolbars()
00199 {
00200     // No difference with base class anymore.
00201     KXmlGuiWindow::configureToolbars();
00202 }
00203 
00204 #include "mainwindow.moc"

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