fixed wxComboBox sizing problem again

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

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index d7d982797c0dc88c6ec1a6eeb2d19ed3f5da3d55..110d9e0b91a4b4f7cc2ed0e0044f8160373f31b3 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -38,7 +38,7 @@
 
 #include "wx/msw/private.h"
 
-    IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 
 // ============================================================================
 // implementation
@@ -64,6 +64,10 @@ bool wxChoice::Create(wxWindow *parent,
     if ( style & wxCB_SORT )
         msStyle |= CBS_SORT;
 
+    if ( style & wxCLIP_SIBLINGS )
+        msStyle |= WS_CLIPSIBLINGS;
+
+
     // Experience shows that wxChoice vs. wxComboBox distinction confuses
     // quite a few people - try to help them
     wxASSERT_MSG( !(style & wxCB_DROPDOWN) &&
@@ -250,6 +254,24 @@ wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 // wxMSW specific helpers
 // ----------------------------------------------------------------------------
 
+void wxChoice::DoMoveWindow(int x, int y, int width, int height)
+{
+    // here is why this is necessary: if the width is negative, the combobox
+    // window proc makes the window of the size width*height instead of
+    // interpreting height in the usual manner (meaning the height of the drop
+    // down list - usually the height specified in the call to MoveWindow()
+    // will not change the height of combo box per se)
+    //
+    // this behaviour is not documented anywhere, but this is just how it is
+    // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without
+    // the check, constraints/sizers using combos may break the height
+    // constraint will have not at all the same value as expected
+    if ( width < 0 )
+        return;
+
+    wxControl::DoMoveWindow(x, y, width, height);
+}
+
 void wxChoice::DoSetSize(int x, int y,
                          int width, int WXUNUSED(height),
                          int sizeFlags)
@@ -339,9 +361,16 @@ bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 }
 
 WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+                               WXUINT message,
+                               WXWPARAM wParam,
+                               WXLPARAM lParam
+#else
                                WXUINT WXUNUSED(message),
                                WXWPARAM WXUNUSED(wParam),
-                               WXLPARAM WXUNUSED(lParam))
+                               WXLPARAM WXUNUSED(lParam)
+#endif
+     )
 {
 #if wxUSE_CTL3D
     if ( m_useCtl3D )