[composer] Locked items can't be selected by clicking them in the can…

…vas.

python/core/composer/qgscomposition.sip

@@ -181,13 +181,20 @@ class QgsComposition : QGraphicsScene
     /**Returns pointer to undo/redo command storage*/
     QUndoStack* undoStack();
 
-    /**Returns the topmost composer item. Ignores mPaperItem*/
-    QgsComposerItem* composerItemAt( const QPointF & position ) const;
+    /**Returns the topmost composer item at a specified position. Ignores paper items.
+     * @param position point to search for item at
+     * @param ignoreLocked set to true to ignore locked items
+     * @returns composer item at position
+    */
+    QgsComposerItem* composerItemAt( const QPointF & position, const bool ignoreLocked = false ) const;
 
-    /**Returns the highest composer item at a specified position which is below a specified item. Ignores mPaperItem
-      @note Added in QGIS 2.1
+    /**Returns the topmost composer item at a specified position which is below a specified item. Ignores paper items.
+     * @param position point to search for item at
+     * @param belowItem item to search below
+     * @param ignoreLocked set to true to ignore locked items
+     * @returns composer item at position which is below specified item
     */
-    QgsComposerItem* composerItemAt( const QPointF & position, const QgsComposerItem* belowItem ) const;
+    QgsComposerItem* composerItemAt( const QPointF & position, const QgsComposerItem* belowItem, const bool ignoreLocked = false ) const;
 
     /** Returns the page number (0-bsaed) given a coordinate */
     int pageNumberAt( const QPointF& position ) const;

src/core/composer/qgscomposition.cpp

@@ -444,12 +444,12 @@ void QgsComposition::setStatusMessage( const QString & message )
   emit statusMsgChanged( message );
 }
 
-QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position ) const
+QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position , const bool ignoreLocked ) const
 {
-  return composerItemAt( position, 0 );
+  return composerItemAt( position, 0, ignoreLocked );
 }
 
-QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position, const QgsComposerItem* belowItem ) const
+QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position, const QgsComposerItem* belowItem, const bool ignoreLocked ) const
 {
   //get a list of items which intersect the specified position, in descending z order
   QList<QGraphicsItem*> itemList;
@@ -465,7 +465,7 @@ QgsComposerItem* QgsComposition::composerItemAt( const QPointF & position, const
     {
       // If we are not checking for a an item below a specified item, or if we've
       // already found that item, then we've found our target
-      if ( ! belowItem || foundBelowItem )
+      if (( ! belowItem || foundBelowItem ) && ( !ignoreLocked || !composerItem->positionLock() ) )
       {
         return composerItem;
       }

src/core/composer/qgscomposition.h

@@ -241,13 +241,20 @@ class CORE_EXPORT QgsComposition : public QGraphicsScene
     /**Returns pointer to undo/redo command storage*/
     QUndoStack* undoStack() { return mUndoStack; }
 
-    /**Returns the topmost composer item. Ignores mPaperItem*/
-    QgsComposerItem* composerItemAt( const QPointF & position ) const;
+    /**Returns the topmost composer item at a specified position. Ignores paper items.
+     * @param position point to search for item at
+     * @param ignoreLocked set to true to ignore locked items
+     * @returns composer item at position
+    */
+    QgsComposerItem* composerItemAt( const QPointF & position, const bool ignoreLocked = false ) const;
 
-    /**Returns the highest composer item at a specified position which is below a specified item. Ignores mPaperItem
-      @note Added in QGIS 2.1
+    /**Returns the topmost composer item at a specified position which is below a specified item. Ignores paper items.
+     * @param position point to search for item at
+     * @param belowItem item to search below
+     * @param ignoreLocked set to true to ignore locked items
+     * @returns composer item at position which is below specified item
     */
-    QgsComposerItem* composerItemAt( const QPointF & position, const QgsComposerItem* belowItem ) const;
+    QgsComposerItem* composerItemAt( const QPointF & position, const QgsComposerItem* belowItem, const bool ignoreLocked = false ) const;
 
     /** Returns the page number (0-based) given a coordinate */
     int pageNumberAt( const QPointF& position ) const;

src/gui/qgscomposerview.cpp

@@ -208,19 +208,19 @@ void QgsComposerView::mousePressEvent( QMouseEvent* e )
       if ( previousSelectedItem )
       {
         //select highest item just below previously selected item at position of event
-        selectedItem = composition()->composerItemAt( scenePoint, previousSelectedItem );
+        selectedItem = composition()->composerItemAt( scenePoint, previousSelectedItem, true );
 
         //if we didn't find a lower item we'll use the top-most as fall-back
         //this duplicates mapinfo/illustrator/etc behaviour where ctrl-clicks are "cyclic"
         if ( !selectedItem )
         {
-          selectedItem = composition()->composerItemAt( scenePoint );
+          selectedItem = composition()->composerItemAt( scenePoint, true );
         }
       }
       else
       {
         //select topmost item at position of event
-        selectedItem = composition()->composerItemAt( scenePoint );
+        selectedItem = composition()->composerItemAt( scenePoint, true );
       }
 
       if ( !selectedItem )
@@ -1506,7 +1506,7 @@ void QgsComposerView::wheelEvent( QWheelEvent* event )
 
     QPointF scenePoint = mapToScene( event->pos() );
     //select topmost item at position of event
-    QgsComposerItem* theItem = composition()->composerItemAt( scenePoint );
+    QgsComposerItem* theItem = composition()->composerItemAt( scenePoint, true );
     if ( theItem )
     {
       if ( theItem->isSelected() )