Correct sending of wxW event from wxChoice on MS Smartphone.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32794 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/wince/choicece.h

@@ -98,6 +98,11 @@ public:
     // get the subclassed window proc of the buddy list of choices
     WXFARPROC GetBuddyWndProc() const { return m_wndProcBuddy; }
 
+    // return the choice object whose buddy is the given window or NULL
+    static wxChoice *GetChoiceForListBox(WXHWND hwndBuddy);
+
+    virtual bool MSWCommand(WXUINT param, WXWORD id);
+
 protected:
     virtual void DoSetItemClientData( int n, void* clientData );
     virtual void* DoGetItemClientData( int n ) const;

src/msw/wince/choicece.cpp

@@ -109,6 +109,22 @@ LRESULT APIENTRY _EXPORT wxBuddyChoiceWndProc(HWND hwnd,
                             hwnd, message, wParam, lParam);
 }
 
+wxChoice *wxChoice::GetChoiceForListBox(WXHWND hwndBuddy)
+{
+    wxChoice *choice = (wxChoice *)wxGetWindowUserData((HWND)hwndBuddy);
+
+    int i = ms_allChoiceSpins.Index(choice);
+
+    if ( i == wxNOT_FOUND )
+        return NULL;
+
+    // sanity check
+    wxASSERT_MSG( choice->m_hwndBuddy == hwndBuddy,
+                  _T("wxChoice has incorrect buddy HWND!") );
+
+    return choice;
+}
+
 // ----------------------------------------------------------------------------
 // creation
 // ----------------------------------------------------------------------------
@@ -284,9 +300,36 @@ WXDWORD wxChoice::MSWGetStyle(long style, WXDWORD *exstyle) const
     if ( style & wxCB_SORT )
         msStyle |= LBS_SORT;
 
+    msStyle |= LBS_NOTIFY;
+
     return msStyle;
 }
 
+bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+{
+    if ( param != LBN_SELCHANGE)
+    {
+        // "selection changed" is the only event we're after
+        return false;
+    }
+
+    int n = GetSelection();
+    if (n > -1)
+    {
+        wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
+        event.SetInt(n);
+        event.SetEventObject(this);
+        event.SetString(GetStringSelection());
+        if ( HasClientObjectData() )
+            event.SetClientObject( GetClientObject(n) );
+        else if ( HasClientUntypedData() )
+            event.SetClientData( GetClientData(n) );
+        ProcessCommand(event);
+    }
+
+    return true;
+}
+
 wxChoice::~wxChoice()
 {
     Free();

src/msw/window.cpp

@@ -4269,18 +4269,27 @@ bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 
         return GetEventHandler()->ProcessEvent(event);
     }
-#if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
     else
     {
+#if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
         // notifications to its parent which we want to reflect back to
         // wxSpinCtrl
         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
         if ( spin && spin->ProcessTextCommand(cmd, id) )
             return true;
-    }
 #endif // wxUSE_SPINCTRL
 
+#if wxUSE_CHOICE && defined(__SMARTPHONE__)
+        // the listbox ctrl which is logically part of wxChoice sends WM_COMMAND
+        // notifications to its parent which we want to reflect back to
+        // wxChoice
+        wxChoice *choice = wxChoice::GetChoiceForListBox(control);
+        if ( choice && choice->MSWCommand(cmd, id) )
+            return true;
+#endif
+    }
+
     return false;
 }