X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/78a87a5d73f90996161912b8a2ee257834f6f8fb..b552060aaf4988f25772af34be2967cc3f005e53:/src/msw/combobox.cpp

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index 0436320d2a..1fd9e0daa5 100644
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -241,18 +241,38 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 
 WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
-    // handle WM_CTLCOLOR messages from our EDIT control to be able to set its
-    // colour correctly (to be the same as our own one)
+    // TODO: handle WM_CTLCOLOR messages from our EDIT control to be able to
+    //       set its colour correctly (to be the same as our own one)
+
     switch ( nMsg )
     {
         case CB_SETCURSEL:
             // Selection was set with SetSelection.  Update the value too.
             if ((int)wParam > GetCount())
-                m_value = wxEmptyString;
+                m_value.clear();
             else
                 m_value = GetString(wParam);
             m_selectionOld = -1;
             break;
+
+        case WM_SIZE:
+            {
+                // combobox selection sometimes spontaneously changes when its
+                // size changes, restore it to the old value if necessary
+                long fromOld, toOld;
+                GetSelection(&fromOld, &toOld);
+                WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+
+                long fromNew, toNew;
+                GetSelection(&fromNew, &toNew);
+
+                if ( fromOld != fromNew || toOld != toNew )
+                {
+                    SetSelection(fromOld, toOld);
+                }
+
+                return result;
+            }
     }
 
     return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
@@ -458,6 +478,11 @@ WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
                       );
 
+    // usually WS_TABSTOP is added by wxControl::MSWGetStyle() but as we're
+    // created hidden (see Create() above), it is not done for us but we still
+    // want to have this style
+    msStyle |= WS_TABSTOP;
+
     // remove the style always added by wxChoice
     msStyle &= ~CBS_DROPDOWNLIST;
 
@@ -478,29 +503,6 @@ WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
     return msStyle;
 }
 
-// ----------------------------------------------------------------------------
-// wxComboBox geometry
-// ----------------------------------------------------------------------------
-
-void
-wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
-{
-    // work around a Windows bug (search for "Bug in Windows Combobox" in
-    // Google Groups): resizing the combobox changes the selection in it
-    long fromOld, toOld;
-    GetSelection(&fromOld, &toOld);
-
-    wxChoice::DoSetSize(x, y, width, height, sizeFlags);
-
-    long fromNew, toNew;
-    GetSelection(&fromNew, &toNew);
-
-    if ( fromOld != fromNew || toOld != toNew )
-    {
-        SetSelection(fromOld, toOld);
-    }
-}
-
 // ----------------------------------------------------------------------------
 // wxComboBox text control-like methods
 // ----------------------------------------------------------------------------