Bring the document to the page it was when the session was closed on session restore

svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=359685

kpdf/kpdf_part.cpp

@@ -485,6 +485,17 @@ void Part::doPrint( KPrinter& /*printer*/ )
 */
 }
 
+void Part::restoreDocument(const KURL &url, int page)
+{
+  if (openURL(url)) goToPage(page);
+}
+
+void Part::saveDocumentRestoreInfo(KConfig* config)
+{
+  config->writePathEntry( "URL", url().url() );
+  if (document->pages() > 0) config->writeEntry( "Page", document->currentPage() + 1);
+}
+
 /*
 * BrowserExtension class
 */

kpdf/kpdf_part.h

@@ -27,6 +27,7 @@ class QToolBox;
 
 class KURL;
 class KAction;
+class KConfig;
 class KToggleAction;
 class KSelectAction;
 class KAboutData;
@@ -96,6 +97,8 @@ protected slots:
 public slots:
 	// connected to Shell action (and browserExtension), not local one
 	void slotPrint();
+  void restoreDocument(const KURL &url, int page);
+  void saveDocumentRestoreInfo(KConfig* config);
 
 private:
 	void doPrint( KPrinter& printer );

kpdf/kpdf_shell.cpp

@@ -74,6 +74,9 @@ Shell::Shell()
     return;
   }
   //FIXME READD: connect( m_part, SIGNAL( rightClick() ),SLOT( slotRMBClick() ) );
+  connect( this, SIGNAL( restoreDocument(const KURL &, int) ),m_part, SLOT( restoreDocument(const KURL &, int)));
+  connect( this, SIGNAL( saveDocumentRestoreInfo(KConfig*) ), m_part, SLOT( saveDocumentRestoreInfo(KConfig*)));
+     
 
   readSettings();
 }
@@ -134,7 +137,7 @@ Shell::saveProperties(KConfig* config)
   // the 'config' object points to the session managed
   // config file.  anything you write here will be available
   // later when this app is restored
-    config->writePathEntry( "URL", m_part->url().url() );
+    emit saveDocumentRestoreInfo(config);
 }
 
 void Shell::slotShowMenubar()
@@ -155,8 +158,7 @@ void Shell::readProperties(KConfig* config)
   if(m_part)
   {
     KURL url ( config->readPathEntry( "URL" ) );
-    if ( url.isValid() )
-        openURL( url );
+    if ( url.isValid() ) emit restoreDocument(url, config->readNumEntry( "Page", 1 ));
   }
 }
 

kpdf/kpdf_shell.h

@@ -79,6 +79,10 @@ namespace KPDF
   public slots:
       void openURL( const KURL & url );
 
+  signals:
+      void restoreDocument(const KURL &url, int page);
+      void saveDocumentRestoreInfo(KConfig* config);
+
   private:
     void setupAccel();
     void setupActions();