add possibility to for an item to be "set visible" or not

svn path=/trunk/KDE/kdegraphics/okular/; revision=755208

ui/pageviewutils.cpp

@@ -39,7 +39,7 @@
 /*********************/
 
 PageViewItem::PageViewItem( const Okular::Page * page )
-    : m_page( page ), m_zoomFactor( 1.0 )
+    : m_page( page ), m_zoomFactor( 1.0 ), m_visible( true )
 {
 }
 
@@ -80,6 +80,11 @@ double PageViewItem::zoomFactor() const
     return m_zoomFactor;
 }
 
+bool PageViewItem::isVisible() const
+{
+    return m_visible;
+}
+
 QHash<QString, FormWidgetIface*>& PageViewItem::formWidgets()
 {
     return m_formWidgets;
@@ -114,6 +119,11 @@ void PageViewItem::moveTo( int x, int y )
     }
 }
 
+void PageViewItem::setVisible( bool visible )
+{
+    m_visible = visible;
+}
+
 void PageViewItem::invalidate()
 {
     m_geometry.setRect( 0, 0, 0, 0 );

ui/pageviewutils.h

@@ -45,11 +45,13 @@ class PageViewItem
         int width() const;
         int height() const;
         double zoomFactor() const;
+        bool isVisible() const;
         QHash<QString, FormWidgetIface*>& formWidgets();
 
         void setGeometry( int x, int y, int width, int height );
         void setWHZ( int w, int h, double zoom );
         void moveTo( int x, int y );
+        void setVisible( bool visible );
         void invalidate();
         bool setFormWidgetsVisible( bool visible );
 
@@ -57,6 +59,7 @@ class PageViewItem
         const Okular::Page * m_page;
         double m_zoomFactor;
         QRect m_geometry;
+        bool m_visible;
         QHash<QString, FormWidgetIface*> m_formWidgets;
 };