diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp index d66bb508bf..f95abdb06f 100644 --- a/src/generic/listctrl.cpp +++ b/src/generic/listctrl.cpp @@ -2360,38 +2360,19 @@ 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 +2396,32 @@ 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; + + 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; + } + bool forceClick = false; if (event.ButtonDClick()) {