Selection is modified when checking/uncheckin checkable items

---                    

diff --git a/src/gui/itemviews/qitemdelegate.cpp b/src/gui/itemviews/qitemdelegate.cpp
index d4ce8f6..acecdbf 100644                                                         
--- a/src/gui/itemviews/qitemdelegate.cpp                                             
+++ b/src/gui/itemviews/qitemdelegate.cpp                                             
@@ -1277,7 +1277,7 @@ bool QItemDelegate::editorEvent(QEvent *event,                  
                                                                                      
     // make sure that we have the right event type                                   
     if ((event->type() == QEvent::MouseButtonRelease)                                
-        || (event->type() == QEvent::MouseButtonDblClick)) {                         
+        || (event->type() == QEvent::MouseButtonPress)) {                            
         QRect checkRect = check(option, option.rect, Qt::Checked);                   
         QRect emptyRect;                                                             
         doLayout(option, &checkRect, &emptyRect, &emptyRect, false);                 
@@ -1286,7 +1286,7 @@ bool QItemDelegate::editorEvent(QEvent *event,                  
             return false;                                                            
                                                                                      
         // eat the double click events inside the check rect                         
-        if (event->type() == QEvent::MouseButtonDblClick)                            
+        if (event->type() == QEvent::MouseButtonPress)                               
             return true;

     } else if (event->type() == QEvent::KeyPress) {
diff --git a/src/gui/itemviews/qstyleditemdelegate.cpp b/src/gui/itemviews/qstyleditemdelegate.cpp
index aec943c..cea83cd 100644
--- a/src/gui/itemviews/qstyleditemdelegate.cpp
+++ b/src/gui/itemviews/qstyleditemdelegate.cpp
@@ -732,7 +732,7 @@ bool QStyledItemDelegate::editorEvent(QEvent *event,

     // make sure that we have the right event type
     if ((event->type() == QEvent::MouseButtonRelease)
-        || (event->type() == QEvent::MouseButtonDblClick)) {
+        || (event->type() == QEvent::MouseButtonPress)) {
         QStyleOptionViewItemV4 viewOpt(option);
         initStyleOption(&viewOpt, index);
         QRect checkRect = style->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, widget);
@@ -741,7 +741,7 @@ bool QStyledItemDelegate::editorEvent(QEvent *event,
             return false;

         // eat the double click events inside the check rect
-        if (event->type() == QEvent::MouseButtonDblClick)
+        if (event->type() == QEvent::MouseButtonPress)
             return true;

     } else if (event->type() == QEvent::KeyPress) {
--