X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c9a19aabab3a878b565e6c2a5f2a3824277c4dc..46a5010a06b09318878c33a0a6a532f419ea063d:/src/msw/toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 82ed98594b..b12a323c5a 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -141,7 +141,7 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
     WXDWORD msflags = wxWindow::MSWGetStyle
                       (
                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
-                      ) & ~WS_CHILD;
+                      ) & ~WS_CHILD & ~WS_VISIBLE;
 
     // first select the kind of window being created
     //
@@ -191,7 +191,7 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 
     if ( exflags )
     {
-#if !defined(__WIN16__) && !defined(__SC__)
+#if !defined(__WIN16__) 
         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
         {
             if ( style & wxFRAME_TOOL_WINDOW )
@@ -732,9 +732,9 @@ bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
     HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE /* get it */);
     if ( !hmenu )
     {
-        wxLogLastError(_T("GetSystemMenu"));
-
-        return FALSE;
+        // no system menu at all -- ok if we want to remove the close button
+        // anyhow, but bad if we want to show it
+        return !enable;
     }
 
     // enabling/disabling the close item from it also automatically
@@ -758,6 +758,50 @@ bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
     return TRUE;
 }
 
+bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
+{
+    wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
+                 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
+
+    // The empty region signifies that the shape should be removed from the
+    // window.
+    if ( region.IsEmpty() )
+    {
+        if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
+        {
+            wxLogLastError(_T("SetWindowRgn"));
+            return FALSE;
+        }
+        return TRUE;
+    }
+
+    // Windows takes ownership of the region, so
+    // we'll have to make a copy of the region to give to it.
+    DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
+    RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
+    ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
+    HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
+    delete[] (char*) rgnData;
+
+    // SetWindowRgn expects the region to be in coordinants
+    // relative to the window, not the client area.  Figure
+    // out the offset, if any.
+    RECT rect;
+    DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
+    DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+    ::GetClientRect(GetHwnd(), &rect);
+    ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
+    ::OffsetRgn(hrgn, -rect.left, -rect.top);
+
+    // Now call the shape API with the new region.
+    if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
+    {
+        wxLogLastError(_T("SetWindowRgn"));
+        return FALSE;
+    }
+    return TRUE;
+}
+
 // ----------------------------------------------------------------------------
 // wxTopLevelWindow event handling
 // ----------------------------------------------------------------------------
@@ -912,3 +956,4 @@ HWND wxTLWHiddenParentModule::GetHWND()
     return ms_hwnd;
 }
 
+