Added Annotation::BeingMoved flag to avoid refreshing pixmaps while moving annotations

core/annotations.cpp

@@ -768,8 +768,8 @@ void Annotation::store( QDomNode & annNode, QDomDocument & document ) const
         e.setAttribute( "creationDate", d->m_creationDate.toString(Qt::ISODate) );
 
     // store -other- attributes
-    if ( d->m_flags ) // Strip ExternallyDrawn flag because it's an implementation detail
-        e.setAttribute( "flags", d->m_flags & ~Annotation::ExternallyDrawn );
+    if ( d->m_flags ) // Strip internal flags
+        e.setAttribute( "flags", d->m_flags & ~(External | ExternallyDrawn | BeingMoved) );
     if ( d->m_style.color().isValid() )
         e.setAttribute( "color", d->m_style.color().name() );
     if ( d->m_style.opacity() != 1.0 )

core/annotations.h

@@ -128,7 +128,8 @@ class OKULAR_EXPORT Annotation
             DenyDelete = 32,          ///< Cannot be deleted
             ToggleHidingOnMouse = 64, ///< Can be hidden/shown by mouse click
             External = 128,           ///< Is stored external
-            ExternallyDrawn = 256     ///< Is drawn externally (eg the generator which povided it) @since 0.10 (KDE 4.4)
+            ExternallyDrawn = 256,    ///< Is drawn externally (by the generator which provided it) @since 0.10 (KDE 4.4)
+            BeingMoved = 512          ///< Is being moved (mouse drag and drop). If ExternallyDrawn, the generator must not draw it @since 0.15 (KDE 4.9)
         };
 
         /**

core/document.cpp

@@ -2409,6 +2409,20 @@ void Document::modifyPageAnnotation( int page, Annotation * annotation, bool app
 
     if ( appearanceChanged && (annotation->flags() & Annotation::ExternallyDrawn) )
     {
+        /* When an annotation is being moved, the generator will not render it.
+         * Therefore there's no need to refresh pixmaps after the first time */
+        if ( annotation->flags() & Annotation::BeingMoved )
+        {
+            if ( d->m_annotationBeingMoved )
+                return;
+            else // First time: take note
+                d->m_annotationBeingMoved = true;
+        }
+        else
+        {
+            d->m_annotationBeingMoved = false;
+        }
+
         // Redraw everything, including ExternallyDrawn annotations
         d->refreshPixmaps( page );
     }

core/document_p.h

@@ -85,7 +85,8 @@ class DocumentPrivate
             m_scripter( 0 ),
             m_archiveData( 0 ),
             m_fontsCached( false ),
-            m_documentInfo( 0 )
+            m_documentInfo( 0 ),
+            m_annotationBeingMoved( false )
         {
             calculateMaxTextPages();
         }
@@ -229,6 +230,8 @@ class DocumentPrivate
         FontInfo::List m_fontsCache;
 
         QSet< View * > m_views;
+
+        bool m_annotationBeingMoved; // is an annotation currently being moved?
 };
 
 }

generators/poppler/annots.cpp

@@ -45,6 +45,18 @@ static QRectF normRectToRectF( const Okular::NormalizedRect& rect )
     return QRectF( QPointF(rect.left, rect.top), QPointF(rect.right, rect.bottom) );
 }
 
+// Poppler and Okular share the same flag values, but we don't want to export internal flags
+static int maskExportedFlags(int flags)
+{
+    return flags & ( Okular::Annotation::Hidden |
+                     Okular::Annotation::FixedSize |
+                     Okular::Annotation::FixedRotation |
+                     Okular::Annotation::DenyPrint |
+                     Okular::Annotation::DenyWrite |
+                     Okular::Annotation::DenyDelete |
+                     Okular::Annotation::ToggleHidingOnMouse );
+}
+
 //BEGIN PopplerAnnotationProxy implementation
 PopplerAnnotationProxy::PopplerAnnotationProxy( Poppler::Document *doc )
     : ppl_doc ( doc )
@@ -129,10 +141,18 @@ void PopplerAnnotationProxy::notifyModification( const Okular::Annotation *okl_a
     if ( !ppl_ann ) // Ignore non-native annotations
         return;
 
+    if ( okl_ann->flags() & Okular::Annotation::BeingMoved )
+    {
+        // Okular ui already renders the annotation on its own
+        ppl_ann->setFlags( Poppler::Annotation::Hidden );
+        return;
+    }
+
     // Set basic properties
     ppl_ann->setBoundary(normRectToRectF( okl_ann->boundingRectangle() ));
     ppl_ann->setAuthor( okl_ann->author() );
     ppl_ann->setContents( okl_ann->contents() );
+    ppl_ann->setFlags(maskExportedFlags( okl_ann->flags() ));
 
     // Set style
     Poppler::Annotation::Style s;

ui/pageview.cpp

@@ -132,6 +132,7 @@ public:
     bool mouseOnRect;
     Okular::Annotation * mouseAnn;
     QPoint mouseAnnPos;
+    int mouseAnnPageNum;
 
     // table selection
     QList<double> tableSelectionCols;
@@ -1793,7 +1794,7 @@ void PageView::mouseMoveEvent( QMouseEvent * e )
                         }
                         d->mouseAnn->translate( Okular::NormalizedPoint( pf.x(), pf.y() ) );
                         d->mouseAnnPos = newpos;
-                        d->document->modifyPageAnnotation( pageItem->pageNumber(), d->mouseAnn );
+                        d->document->modifyPageAnnotation( d->mouseAnnPageNum, d->mouseAnn );
                     }
                 }
                 // drag page
@@ -1965,11 +1966,17 @@ void PageView::mousePressEvent( QMouseEvent * e )
                     if ( d->mouseAnn && !d->mouseAnn->canBeMoved() )
                         d->mouseAnn = 0;
                 }
-                if ( !d->mouseAnn )
+                if ( d->mouseAnn )
+                {
+                    d->mouseAnn->setFlags( d->mouseAnn->flags() | Okular::Annotation::BeingMoved );
+                    d->mouseAnnPageNum = pageItem->pageNumber();
+                    d->document->modifyPageAnnotation( d->mouseAnnPageNum, d->mouseAnn );
+                }
+                else
                 {
-                d->mouseGrabPos = d->mouseOnRect ? QPoint() : d->mousePressPos;
-                if ( !d->mouseOnRect )
-                    d->leftClickTimer.start( QApplication::doubleClickInterval() + 10 );
+                    d->mouseGrabPos = d->mouseOnRect ? QPoint() : d->mousePressPos;
+                    if ( !d->mouseOnRect )
+                        d->leftClickTimer.start( QApplication::doubleClickInterval() + 10 );
                 }
             }
             else if ( rightButton )
@@ -2145,6 +2152,9 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
 
     if ( d->mouseAnn )
     {
+        // Just finished to move the annotation
+        d->mouseAnn->setFlags( d->mouseAnn->flags() & ~Okular::Annotation::BeingMoved );
+        d->document->modifyPageAnnotation( d->mouseAnnPageNum, d->mouseAnn );
         setCursor( Qt::ArrowCursor );
         d->mouseAnn = 0;
     }