Warning fix for assignment of unused value.

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

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 1ed58c7709a7455cf8cd5968eaddf9808283053d..c1cd5c2e0d2ce429d22800143ae8ebc17b49637a 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -59,7 +59,7 @@ wxBEGIN_FLAGS( wxListBoxStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
-    
+
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
@@ -91,28 +91,28 @@ wxEND_FLAGS( wxListBoxStyle )
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl,"wx/listbox.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxListBox)
-       wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent )
-       wxEVENT_PROPERTY( DoubleClick , wxEVT_COMMAND_LISTBOX_DOUBLECLICKED , wxCommandEvent )
+    wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent )
+    wxEVENT_PROPERTY( DoubleClick , wxEVT_COMMAND_LISTBOX_DOUBLECLICKED , wxCommandEvent )
 
-    wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
     wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
-       wxPROPERTY( Selection ,int, SetSelection, GetSelection,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
-    wxPROPERTY_FLAGS( WindowStyle , wxListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+    wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY_FLAGS( WindowStyle , wxListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
 wxBEGIN_HANDLERS_TABLE(wxListBox)
 wxEND_HANDLERS_TABLE()
 
-wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size ) 
+wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
 #else
 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
 #endif
 
 /*
 TODO PROPERTIES
-       selection
-       content
-               item
+    selection
+    content
+        item
 */
 
 // ============================================================================
@@ -161,7 +161,7 @@ bool wxListBox::Create(wxWindow *parent,
                        const wxSize& size,
                        int n, const wxString choices[],
                        long style,
-                       const wxValidator& wxVALIDATOR_PARAM(validator),
+                       const wxValidator& validator,
                        const wxString& name)
 {
     m_noItems = 0;
@@ -184,6 +184,9 @@ bool wxListBox::Create(wxWindow *parent,
         Append(choices[i]);
     }
 
+    // now we can compute our best size correctly, so do it if necessary
+    SetBestSize(size);
+
     return true;
 }
 
@@ -284,6 +287,8 @@ void wxListBox::Delete(int N)
 
 int wxListBox::DoAppend(const wxString& item)
 {
+    InvalidateBestSize();
+
     int index = ListBox_AddString(GetHwnd(), item);
     m_noItems++;
 
@@ -387,7 +392,7 @@ void wxListBox::Free()
 
 void wxListBox::SetSelection(int N, bool select)
 {
-    wxCHECK_RET( N == wxNOT_FOUND || 
+    wxCHECK_RET( N == wxNOT_FOUND ||
                     (N >= 0 && N < m_noItems),
                  wxT("invalid index in wxListBox::SetSelection") );
 
@@ -519,6 +524,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
                  wxT("invalid index in wxListBox::InsertItems") );
 
+    InvalidateBestSize();
+
     int nItems = items.GetCount();
     for ( int i = 0; i < nItems; i++ )
     {
@@ -534,6 +541,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 
             ListBox_SetItemData(GetHwnd(), idx, pNewItem);
         }
+#else
+        wxUnusedVar(idx);
 #endif // wxUSE_OWNER_DRAWN
     }
 
@@ -572,10 +581,6 @@ void wxListBox::SetString(int N, const wxString& s)
     else if ( oldObjData )
         SetClientObject(N, oldObjData);
 
-    // we may have lost the selection
-    if ( wasSelected )
-        Select(N);
-
 #if wxUSE_OWNER_DRAWN
     if ( m_windowStyle & wxLB_OWNERDRAW )
     {
@@ -586,6 +591,10 @@ void wxListBox::SetString(int N, const wxString& s)
         ListBox_SetItemData(GetHwnd(), N, m_aItems[N]);
     }
 #endif  //USE_OWNER_DRAWN
+
+    // we may have lost the selection
+    if ( wasSelected )
+        Select(N);
 }
 
 int wxListBox::GetCount() const
@@ -677,7 +686,7 @@ wxSize wxListBox::DoGetBestSize() const
 
     // the listbox should be slightly larger than the widest string
     int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 
     wListbox += 3*cx;
 
@@ -764,7 +773,7 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 
     wxDC dc;
     dc.SetHDC((WXHDC)hdc);
-    dc.SetFont(wxSystemSettings::GetFont(wxSYS_ANSI_VAR_FONT));
+    dc.SetFont(GetFont());
 
     pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
     pStruct->itemWidth  = dc.GetCharWidth();