Complete support for hyperlinks.

Cookies go to Luigi, thanks!

svn path=/trunk/playground/graphics/okular/; revision=555965

generators/dvi/dviRenderer.h

@@ -22,6 +22,7 @@
 #include "dviPageInfo.h"
 #include "pageSize.h"
 #include "anchor.h"
+#include "prebookmark.h"
 
 #include <ksharedptr.h>
 #include <kurl.h>
@@ -33,7 +34,7 @@
 #include <QTimer>
 #include <QMutex>
 
-//class Anchor;
+class Anchor;
 class DocumentWidget;
 class dvifile;
 class dviRenderer;
@@ -169,6 +170,8 @@ public slots:
 
   SimplePageSize sizeOfPage(const PageNumber& page);
 
+  Q3ValueVector<PreBookmark> getPrebookmarks() const { return prebookmarks; }
+
 private slots:
   /** This method shows a dialog that tells the user that source
       information is present, and gives the opportunity to open the

generators/dvi/generator_dvi.cpp

@@ -77,6 +77,24 @@ static void rotateCoordinates( const int iWidth, const int iHeight,
 
 }
 
+static void rotateCoordinates( const double iWidth, const double iHeight, 
+                               double &fWidth, double &fHeight, const int orientation)
+{
+    if ( orientation % 2 == 0 ) 
+    {
+        /* portrait */
+        fWidth = iWidth;
+        fHeight = iHeight;
+    }
+    else
+    {
+        /* landscape */
+        fWidth = iHeight;
+        fHeight = iWidth;
+    }
+
+}
+
 static QRect rotateQRect( QRect source, int pageWidth, int pageHeight, int orientation )
 {
     QRect tr;
@@ -131,19 +149,41 @@ QLinkedList<ObjectRect*> DviGenerator::generateDviLinks( const dviPageInfo *page
 
         Anchor anch = m_dviRenderer->findAnchor(dviLink.linkText);
 
-        if (anch.isValid())
+	KPDFLink *okuLink = 0;
+
+	if (anch.isValid())
         {
             /* TODO: internal link */
+            DocumentViewport vp;
+            vp.pageNumber = anch.page - 1;
+
+            double vp_x = 0.0, vp_y = 0.0;
+
+	    SimplePageSize ps = m_dviRenderer->sizeOfPage( vp.pageNumber );
+            double resolution = (double)(pageInfo->width)/ps.width().getLength_in_inch();
+            double py = (double)anch.distance_from_top.getLength_in_inch()*resolution + 0.5; 
+	    
+            rotateCoordinates( 0.5, py / (double)pageHeight,
+                               vp_x, vp_y, orientation );
+            vp.rePos.normalizedX = vp_x;
+            vp.rePos.normalizedY = vp_y;
+            vp.rePos.enabled = true;
+            vp.rePos.pos = DocumentViewport::Center;
+
+            okuLink = new KPDFLinkGoto( "", vp );
         }
         else
         {
-            ObjectRect *olink = new ObjectRect( nl, nt, nr, nb, ObjectRect::Link, 
-                                               new KPDFLinkBrowse( dviLink.linkText ) );
-            dviLinks.push_front( olink );
+            okuLink = new KPDFLinkBrowse( dviLink.linkText );
         }
-
+        if ( okuLink ) 
+        {
+            ObjectRect *orlink = new ObjectRect( nl, nt, nr, nb, ObjectRect::Link, 
+                                                 okuLink );
+            dviLinks.push_front( orlink );
+        }
+	
     }
-
     return dviLinks; 
 }