X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/35bf863b1c31c0f1679b214c1b9a742eba918c5e..51072df23ffcf5bdd4651dbe0ad5143b1e360119:/src/msw/toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index b5da266564..6c7b38718b 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -258,7 +258,7 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate,
         // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
         // window to (0, 0) size which breaks quite a lot of things, e.g. the
         // sizer calculation in wxSizer::Fit()
-        if ( w == CW_USEDEFAULT )
+        if ( w == (int)CW_USEDEFAULT )
         {
             // the exact number doesn't matter, the dialog will be resized
             // again soon anyhow but it should be big enough to allow
@@ -268,7 +268,7 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate,
             h = 100;
         }
 
-        if ( x == CW_USEDEFAULT )
+        if ( x == (int)CW_USEDEFAULT )
         {
             // well, where should we put it? maybe centre it on screen?
             x =
@@ -601,3 +601,37 @@ void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
     }
 #endif // __WIN95__
 }
+
+bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
+{
+#ifndef __WXMICROWIN__
+    // get system (a.k.a. window) menu
+    HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE /* get it */);
+    if ( !hmenu )
+    {
+        wxLogLastError(_T("GetSystemMenu"));
+
+        return FALSE;
+    }
+
+    // enabling/disabling the close item from it also automatically
+    // disables/enables the close title bar button
+    if ( ::EnableMenuItem(hmenu, SC_CLOSE,
+                          MF_BYCOMMAND |
+                          (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
+    {
+        wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
+
+        return FALSE;
+    }
+
+    // update appearance immediately
+    if ( !::DrawMenuBar(GetHwnd()) )
+    {
+        wxLogLastError(_T("DrawMenuBar"));
+    }
+#endif // !__WXMICROWIN__
+
+    return TRUE;
+}
+