Don't use DDEExec registry key in wxMSW wxExecute() if it's empty.

[wxWidgets.git] / src / msw / listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index c01c325a5cda0ca9c3174bd44d421eff079ea203..e0f34e3637cb51cc719623ca6a4da777ffda53a8 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -4,7 +4,6 @@
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin (owner drawn stuff)
 // Created:
-// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -84,7 +83,6 @@ void wxListBox::Init()
 {
     m_noItems = 0;
     m_updateHorizontalExtent = false;
-    m_selectedByKeyboard = false;
 }
 
 bool wxListBox::Create(wxWindow *parent,
@@ -582,29 +580,24 @@ wxSize wxListBox::DoGetBestClientSize() const
 bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
     wxEventType evtType;
-    int n = wxNOT_FOUND;
     if ( param == LBN_SELCHANGE )
     {
         if ( HasMultipleSelection() )
             return CalcAndSendEvent();
 
-        evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
-
-        if ( m_selectedByKeyboard )
-        {
-            // We shouldn't use the mouse position to find the item as mouse
-            // can be anywhere, ask the listbox itself. Notice that this can't
-            // be used when the item is selected using the mouse however as
-            // LB_GETCARETINDEX will always return a valid item, even if the
-            // mouse is clicked below all the items, which is why we find the
-            // item ourselves below in this case.
-            n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0);
-        }
-        //else: n will be determined below from the mouse position
+        evtType = wxEVT_LISTBOX;
     }
     else if ( param == LBN_DBLCLK )
     {
-        evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+        // Clicking under the last item in the listbox generates double click
+        // event for the currently selected item which is rather surprising.
+        // Avoid the surprise by checking that we do have an item under mouse.
+        const DWORD pos = ::GetMessagePos();
+        const wxPoint pt(GET_X_LPARAM(pos), GET_Y_LPARAM(pos));
+        if ( HitTest(ScreenToClient(pt)) == wxNOT_FOUND )
+            return false;
+
+        evtType = wxEVT_LISTBOX_DCLICK;
     }
     else
     {
@@ -612,14 +605,7 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
         return false;
     }
 
-    // Find the item position if it was a mouse-generated selection event or a
-    // double click event (which is always generated using the mouse)
-    if ( n == wxNOT_FOUND )
-    {
-        const DWORD pos = ::GetMessagePos();
-        const wxPoint pt(GET_X_LPARAM(pos), GET_Y_LPARAM(pos));
-        n = HitTest(ScreenToClient(wxPoint(pt)));
-    }
+    const int n = ListBox_GetCurSel(GetHwnd());
 
     // We get events even when mouse is clicked outside of any valid item from
     // Windows, just ignore them.
@@ -636,20 +622,6 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     return SendEvent(evtType, n, true /* selection */);
 }
 
-WXLRESULT
-wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
-    // Remember whether there was a keyboard or mouse event before
-    // LBN_SELCHANGE: this allows us to correctly determine the item affected
-    // by it in MSWCommand() above in any case.
-    if ( WM_KEYFIRST <= nMsg && nMsg <= WM_KEYLAST )
-        m_selectedByKeyboard = true;
-    else if ( WM_MOUSEFIRST <= nMsg && nMsg <= WM_MOUSELAST )
-        m_selectedByKeyboard = false;
-
-    return wxListBoxBase::MSWWindowProc(nMsg, wParam, lParam);
-}
-
 // ----------------------------------------------------------------------------
 // owner-drawn list boxes support
 // ----------------------------------------------------------------------------