scrolling to selection

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

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index 2e6715a7e0c1e7d33f06671eb77c9ea4fbda8a12..6e07138a377d2014ba7269bdd00cdbed29b29643 100644 (file)
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -98,11 +98,11 @@ wxBEGIN_PROPERTIES_TABLE(wxComboBox)
     wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
 
     // TODO DELEGATES
-       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( Value ,wxString, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-       wxPROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+       wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
 wxBEGIN_HANDLERS_TABLE(wxComboBox)
@@ -127,7 +127,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 // ---------------------------------------------------------------------------
 
 // the pointer to standard radio button wnd proc
-static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL;
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
 
 // ============================================================================
 // implementation
@@ -238,7 +238,7 @@ WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC,
 // wxComboBox callbacks
 // ----------------------------------------------------------------------------
 
-long wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+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)
@@ -253,7 +253,7 @@ long wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
             WXHWND hwnd;
             UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
 
-            return OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+            return (WXLRESULT)OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
     }
 
     return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
@@ -399,9 +399,10 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         validator, name) )
         return FALSE;
 
-    // we shouldn't call SetValue() for an empty read only combobox as it would
-    // (correctly) thro an assert and is otherwise useless anyhow
-    if ( n || !HasFlag(wxCB_READONLY) )
+    // we shouldn't call SetValue() for an empty string because this would
+    // (correctly) result in an assert with a read only combobox and is useless
+    // for the other ones anyhow
+    if ( !value.empty() )
         SetValue(value);
 
     // a (not read only) combobox is, in fact, 2 controls: the combobox itself
@@ -409,12 +410,8 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     // edit control, we must subclass it as well
     if ( !(style & wxCB_READONLY) )
     {
-        gs_wndprocEdit = (WXFARPROC)::SetWindowLong
-                                      (
-                                        (HWND)GetEditHWND(),
-                                        GWL_WNDPROC,
-                                        (LPARAM)wxComboEditWndProc
-                                      );
+        gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(),
+                                         wxComboEditWndProc);
     }
 
     // and finally, show the control
@@ -584,13 +581,7 @@ void wxComboBox::SetSelection(long from, long to)
       toChar = -1;
     }
 
-    if (
-#ifdef __WIN32__
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar))
-#else // Win16
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar)
-#endif
-        == CB_ERR )
+    if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )
     {
         wxLogDebug(_T("CB_SETEDITSEL failed"));
     }