Add the possibility to disable invisible wxDataViewCtrl items.

[wxWidgets.git] / src / common / lboxcmn.cpp

diff --git a/src/common/lboxcmn.cpp b/src/common/lboxcmn.cpp
index f7d4fb91a8f7a91766c50765147b6bc93feccb7a..5d7abb469f11e32bd9025f214c63b95addf6be0e 100644 (file)
--- a/src/common/lboxcmn.cpp
+++ b/src/common/lboxcmn.cpp
@@ -59,6 +59,14 @@ bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
     return true;
 }
 
+void wxListBoxBase::SetSelection(int n)
+{
+    if ( !HasMultipleSelection() )
+        DoChangeSingleSelection(n);
+
+    DoSetSelection(n, true);
+}
+
 void wxListBoxBase::DeselectAll(int itemToLeaveSelected)
 {
     if ( HasMultipleSelection() )
@@ -86,8 +94,15 @@ void wxListBoxBase::DeselectAll(int itemToLeaveSelected)
 
 void wxListBoxBase::UpdateOldSelections()
 {
+    // We need to remember the selection even in single-selection case on
+    // Windows, so that we don't send an event when the user clicks on an
+    // already selected item.
+#ifndef __WXMSW__
     if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
+#endif
+    {
         GetSelections( m_oldSelections );
+    }
 }
 
 bool wxListBoxBase::SendEvent(wxEventType evtType, int item, bool selected)
@@ -107,6 +122,24 @@ bool wxListBoxBase::SendEvent(wxEventType evtType, int item, bool selected)
     return HandleWindowEvent(event);
 }
 
+bool wxListBoxBase::DoChangeSingleSelection(int item)
+{
+    // As we don't use m_oldSelections in single selection mode, we store the
+    // last item that we notified the user about in it in this case because we
+    // need to remember it to be able to filter out the dummy selection changes
+    // that we get when the user clicks on an already selected item.
+    if ( !m_oldSelections.empty() && *m_oldSelections.begin() == item )
+    {
+        // Same item as the last time.
+        return false;
+    }
+
+    m_oldSelections.clear();
+    m_oldSelections.push_back(item);
+
+    return true;
+}
+
 bool wxListBoxBase::CalcAndSendEvent()
 {
     wxArrayInt selections;