X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3d167c0022e409c541a987a23352882445b29819..400930d3445bd8d8745c621b9ad0b352433db622:/src/generic/listctrl.cpp

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index d66bb508bf..2b1a22df1e 100644
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -342,12 +342,23 @@ bool wxListHeaderData::IsHit( int x, int y ) const
 
 void wxListHeaderData::GetItem( wxListItem& item )
 {
-    item.m_mask = m_mask;
-    item.m_text = m_text;
-    item.m_image = m_image;
-    item.m_format = m_format;
-    item.m_width = m_width;
-    item.m_state = m_state;
+    long mask = item.m_mask;
+    if ( !mask )
+    {
+        // by default, get everything for backwards compatibility
+        mask = -1;
+    }
+
+    if ( mask & wxLIST_MASK_STATE )
+        item.m_state = m_state;
+    if ( mask & wxLIST_MASK_TEXT )
+        item.m_text = m_text;
+    if ( mask & wxLIST_MASK_IMAGE )
+        item.m_image = m_image;
+    if ( mask & wxLIST_MASK_WIDTH )
+        item.m_width = m_width;
+    if ( mask & wxLIST_MASK_FORMAT )
+        item.m_format = m_format;
 }
 
 int wxListHeaderData::GetImage() const
@@ -2360,38 +2371,19 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event )
         }
     }
 
+    // Update drag events counter first as we must do it even if the mouse is
+    // not on any item right now as we must keep count in case we started
+    // dragging from the empty control area but continued to do it over a valid
+    // item -- in this situation we must not start dragging this item.
     if (event.Dragging())
-    {
-        if (m_dragCount == 0)
-        {
-            // we have to report the raw, physical coords as we want to be
-            // able to call HitTest(event.m_pointDrag) from the user code to
-            // get the item being dragged
-            m_dragStart = event.GetPosition();
-        }
-
         m_dragCount++;
-
-        if (m_dragCount != 3)
-            return;
-
-        int command = event.RightIsDown() ? wxEVT_COMMAND_LIST_BEGIN_RDRAG
-                                          : wxEVT_COMMAND_LIST_BEGIN_DRAG;
-
-        wxListEvent le( command, GetParent()->GetId() );
-        le.SetEventObject( GetParent() );
-        le.m_item.m_itemId =
-        le.m_itemIndex = m_lineLastClicked;
-        le.m_pointDrag = m_dragStart;
-        GetParent()->GetEventHandler()->ProcessEvent( le );
-
-        return;
-    }
     else
-    {
         m_dragCount = 0;
-    }
 
+    // The only mouse event that can be generated without any valid item is
+    // wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK as it can be useful to have a global
+    // popup menu for the list control itself which should be shown even when
+    // the user clicks outside of any item.
     if ( !hitResult )
     {
         // outside of any item
@@ -2415,6 +2407,27 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event )
         return;
     }
 
+    if ( event.Dragging() )
+    {
+        if (m_dragCount == 1)
+        {
+            // we have to report the raw, physical coords as we want to be
+            // able to call HitTest(event.m_pointDrag) from the user code to
+            // get the item being dragged
+            m_dragStart = event.GetPosition();
+        }
+
+        if (m_dragCount != 3)
+            return;
+
+        int command = event.RightIsDown() ? wxEVT_COMMAND_LIST_BEGIN_RDRAG
+                                          : wxEVT_COMMAND_LIST_BEGIN_DRAG;
+
+        SendNotify( m_lineLastClicked, command, m_dragStart );
+
+        return;
+    }
+
     bool forceClick = false;
     if (event.ButtonDClick())
     {