we do want arrows even in a read only text ctrl

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

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index aa72d70d57d8899452ab2e0967c389a89d2ca78c..283eab16acd2a176cd1438de4604b4af38df0dd4 100644 (file)
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -96,14 +96,24 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
         case WM_KILLFOCUS:
             {
                 wxComboBox *combo = wxDynamicCast(win, wxComboBox);
-                wxCHECK_MSG( combo, 0, _T("should have combo as parent") );
-
-                if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                if ( !combo )
+                {
+                    // we can get WM_KILLFOCUS while our parent is already half
+                    // destroyed and hence doesn't look like a combobx any
+                    // longer, check for it to avoid bogus assert failures
+                    if ( !win->IsBeingDeleted() )
+                    {
+                        wxFAIL_MSG( _T("should have combo as parent") );
+                    }
+                }
+                else if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                {
+                    // handled by parent
                     return 0;
+                }
             }
             break;
 
-#if 0
         case WM_GETDLGCODE:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
@@ -115,7 +125,6 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
                 }
             }
             break;
-#endif // 0
 
         // deal with tooltips here
 #if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)
@@ -295,6 +304,11 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxValidator& validator,
                         const wxString& name)
 {
+    // pretend that wxComboBox is hidden while it is positioned and resized and
+    // show it only right before leaving this method because otherwise there is
+    // some noticeable flicker while the control rearranges itself
+    m_isShown = FALSE;
+
     // first create wxWin object
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
@@ -351,6 +365,9 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                                       );
     }
 
+    // and finally, show the control
+    Show(TRUE);
+
     return TRUE;
 }
 
@@ -359,9 +376,9 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
 void wxComboBox::SetValue(const wxString& value)
 {
   // If newlines are denoted by just 10, must stick 13 in front.
-  int singletons = 0;
-  int len = value.Length();
-  int i;
+  size_t singletons = 0;
+  size_t len = value.Length();
+  size_t i;
   for (i = 0; i < len; i ++)
   {
     if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
@@ -369,8 +386,9 @@ void wxComboBox::SetValue(const wxString& value)
   }
   if (singletons > 0)
   {
-    wxChar *tmp = new wxChar[len + singletons + 1];
-    int j = 0;
+    wxString tmp;
+    tmp.Alloc(len + singletons);
+    size_t j = 0;
     for (i = 0; i < len; i ++)
     {
       if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
@@ -381,12 +399,16 @@ void wxComboBox::SetValue(const wxString& value)
       tmp[j] = value[i];
       j ++;
     }
-    tmp[j] = 0;
-    SetWindowText(GetHwnd(), tmp);
-    delete[] tmp;
+    if (GetWindowStyle() & wxCB_READONLY)
+        SetStringSelection(tmp);
+    else
+        SetWindowText(GetHwnd(), tmp.c_str());
   }
   else
-    SetWindowText(GetHwnd(), value);
+    if (GetWindowStyle() & wxCB_READONLY)
+      SetStringSelection(value);
+    else
+      SetWindowText(GetHwnd(), value.c_str());
 }
 
 // Clipboard operations