The part starts in dummy mode (very few ui) by default

Can be deactivated using unsetDummyMode(), that is the first thing the okular shell does
that's useful because for example for print preview you don't want to embed all the okular ui to do the preview, you just want to see the ps

svn path=/trunk/KDE/kdegraphics/okular/; revision=671928

part.cpp

@@ -419,22 +419,6 @@ m_searchStarted(false), m_cliPresentation(false)
     closeFindBar->setShortcut( QKeySequence( Qt::Key_Escape ) );
     widget()->addAction(closeFindBar);
 
-    // attach the actions of the children widgets too
-    m_pageView->setupActions( ac );
-    m_formsMessage->setActionButton( m_pageView->toggleFormsAction() );
-
-    // apply configuration (both internal settings and GUI configured items)
-    QList<int> splitterSizes = Okular::Settings::splitterSizes();
-    if ( !splitterSizes.count() )
-    {
-        // the first time use 1/10 for the panel and 9/10 for the pageView
-        splitterSizes.push_back( 50 );
-        splitterSizes.push_back( 500 );
-    }
-    m_splitter->setSizes( splitterSizes );
-    // get notified about splitter size changes
-    connect( m_splitter, SIGNAL( splitterMoved( int, int ) ), this, SLOT( splitterMoved( int, int ) ) );
-
     // document watcher and reloader
     m_watcher = new KDirWatch( this );
     connect( m_watcher, SIGNAL( dirty( const QString& ) ), this, SLOT( slotFileDirty( const QString& ) ) );
@@ -455,6 +439,11 @@ m_searchStarted(false), m_cliPresentation(false)
     setXMLFile("part.rc");
     //
     updateViewActions();
+
+    // By default we start with a clean UI so that for example print preview
+    // does not get all the stuff embedded
+    m_dummyMode = true;
+    m_leftPanel->hide();
 }
 
 
@@ -498,6 +487,8 @@ QStringList Part::supportedMimeTypes() const
 
 void Part::openUrlFromDocument(const KUrl &url)
 {
+    if (m_dummyMode) return;
+
     m_bExtension->openUrlNotify();
     m_bExtension->setLocationBarUrl(url.prettyUrl());
     openUrl(url);
@@ -699,7 +690,8 @@ bool Part::openFile()
     bool hasEmbeddedFiles = ok && m_document->embeddedFiles() && m_document->embeddedFiles()->count() > 0;
     m_showEmbeddedFiles->setEnabled( hasEmbeddedFiles );
     m_topMessage->setVisible( hasEmbeddedFiles );
-    m_formsMessage->setVisible( ok && m_pageView->toggleFormsAction()->isEnabled() );
+    // m_pageView->toggleFormsAction() may be null on dummy mode
+    m_formsMessage->setVisible( ok && m_pageView->toggleFormsAction() && m_pageView->toggleFormsAction()->isEnabled() );
     m_showPresentation->setEnabled( ok );
     if ( ok )
     {
@@ -1173,6 +1165,8 @@ void Part::slotFindNext()
 
 void Part::slotSaveFileAs()
 {
+    if (m_dummyMode) return;
+
     KUrl saveUrl = KFileDialog::getSaveUrl( url().isLocalFile() ? url().url() : url().fileName(), QString(), widget() );
     if ( saveUrl.isValid() && !saveUrl.isEmpty() )
     {
@@ -1288,6 +1282,8 @@ void Part::slotPrintPreview()
 
 void Part::slotShowMenu(const Okular::Page *page, const QPoint &point)
 {
+    if (m_dummyMode) return;
+
     bool reallyShow = false;
     if (!m_actionsSearched)
     {
@@ -1583,6 +1579,33 @@ void Part::psTransformEnded(int exit, QProcess::ExitStatus status)
 }
 
 
+void Part::unsetDummyMode()
+{
+    if (!m_dummyMode) return;
+
+    m_dummyMode = false;
+
+    m_leftPanel->setVisible( Okular::Settings::showLeftPanel() );
+
+    // apply configuration (both internal settings and GUI configured items)
+    QList<int> splitterSizes = Okular::Settings::splitterSizes();
+    if ( !splitterSizes.count() )
+    {
+        // the first time use 1/10 for the panel and 9/10 for the pageView
+        splitterSizes.push_back( 50 );
+        splitterSizes.push_back( 500 );
+    }
+    m_splitter->setSizes( splitterSizes );
+    // get notified about splitter size changes
+    connect( m_splitter, SIGNAL( splitterMoved( int, int ) ), this, SLOT( splitterMoved( int, int ) ) );
+
+    m_pageView->setupActions( actionCollection() );
+
+    // attach the actions of the children widgets too
+    m_formsMessage->setActionButton( m_pageView->toggleFormsAction() );
+}
+
+
 bool Part::handleCompressed(KUrl & url, const QString &path, const KMimeType::Ptr mimetype)
 {
 

part.h

@@ -162,6 +162,7 @@ class Part : public KParts::ReadOnlyPart, public Okular::DocumentObserver, publi
         void slotFileDirty( const QString& );
         void slotDoFileDirty();
         void psTransformEnded(int, QProcess::ExitStatus);
+        void unsetDummyMode();
 
     private:
         void doPrint( KPrinter& printer );
@@ -241,6 +242,8 @@ class Part : public KParts::ReadOnlyPart, public Okular::DocumentObserver, publi
         QString m_addBookmarkText;
         QIcon m_addBookmarkIcon;
 
+        bool m_dummyMode;
+
     private slots:
         void slotGeneratorPreferences();
 };

shell/shell.cpp

@@ -71,6 +71,9 @@ void Shell::init()
     m_part = (KParts::ReadOnlyPart*) factory->createPart(this, this);
     if (m_part)
     {
+      // we don't want the dummy mode
+      QMetaObject::invokeMethod(m_part, "unsetDummyMode");
+
       // then, setup our actions
       setupActions();
       // tell the KParts::MainWindow that this is indeed the main widget
@@ -103,7 +106,6 @@ void Shell::init()
   setAutoSaveSettings();
 
   if (m_openUrl.isValid()) QTimer::singleShot(0, this, SLOT(delayedOpen()));
-
 }
 
 void Shell::delayedOpen()

ui/pageview.cpp

@@ -269,6 +269,7 @@ PageView::PageView( QWidget *parent, Okular::Document *document )
     d->messageWindow = new PageViewMessage(this);
     d->m_formsVisible = false;
     d->aPrevAction = 0;
+    d->aToggleForms = 0;
     d->aPageSizes=0;
     d->setting_viewMode = Okular::Settings::viewMode();
     d->setting_viewCols = Okular::Settings::viewColumns();
@@ -664,19 +665,25 @@ void PageView::notifySetup( const QVector< Okular::Page * > & pageSet, bool docu
                  pageSet.count() ),
             PageViewMessage::Info, 4000 );
 
-    bool pageSizes = d->document->supportsPageSizes();
-    d->aPageSizes->setEnabled( pageSizes );
-    // set the new page sizes:
-    // - if the generator supports them
-    // - if the document changed
-    if ( pageSizes && documentChanged )
-    {
-        QStringList items;
-        foreach ( const Okular::PageSize &p, d->document->pageSizes() )
-            items.append( p.name() );
-        d->aPageSizes->setItems( items );
+    if ( d->aPageSizes )
+    { // may be null if dummy mode is on
+        bool pageSizes = d->document->supportsPageSizes();
+        d->aPageSizes->setEnabled( pageSizes );
+        // set the new page sizes:
+        // - if the generator supports them
+        // - if the document changed
+        if ( pageSizes && documentChanged )
+        {
+            QStringList items;
+            foreach ( const Okular::PageSize &p, d->document->pageSizes() )
+                items.append( p.name() );
+            d->aPageSizes->setItems( items );
+        }
+    }
+    if ( d->aToggleForms )
+    { // may be null if dummy mode is on
+        d->aToggleForms->setEnabled( !pageSet.isEmpty() && hasformwidgets );
     }
-    d->aToggleForms->setEnabled( !pageSet.isEmpty() && hasformwidgets );
     if ( d->annotator )
         d->annotator->setTextToolsEnabled( d->document->supportsSearching() );
 }
@@ -2278,13 +2285,16 @@ void PageView::toggleFormWidgets( bool on )
     if ( somehadfocus )
         setFocus();
     d->m_formsVisible = on;
-    if ( d->m_formsVisible )
+    if ( d->aToggleForms ) // it may not exist if we are on dummy mode
     {
-        d->aToggleForms->setText( i18n( "Hide Forms" ) );
-    }
-    else
-    {
-        d->aToggleForms->setText( i18n( "Show Forms" ) );
+        if ( d->m_formsVisible )
+        {
+            d->aToggleForms->setText( i18n( "Hide Forms" ) );
+        }
+        else
+        {
+            d->aToggleForms->setText( i18n( "Show Forms" ) );
+        }
     }
 }