We need to update the scrollbar even if it's not shown, otherwise it can get stuck...

[wxWidgets.git] / src / os2 / dcscreen.cpp

diff --git a/src/os2/dcscreen.cpp b/src/os2/dcscreen.cpp
index 34a7a8c2a71fed5ef6a5c7b165012788715fce4d..36f65d1de7eb7c0e0189238e004d0486b9dc3361 100644 (file)
--- a/src/os2/dcscreen.cpp
+++ b/src/os2/dcscreen.cpp
@@ -35,11 +35,22 @@ IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
 // Create a DC representing the whole screen
 wxScreenDC::wxScreenDC()
 {
-    // TODO
-}
-
-wxScreenDC::~wxScreenDC()
+    m_hDC = ::WinOpenWindowDC(HWND_DESKTOP);
+    m_hPS = ::WinGetScreenPS(HWND_DESKTOP);
+    ::GpiSetBackMix(m_hPS, BM_LEAVEALONE);
+} // end of wxScreenDC::wxScreenDC()
+
+void wxScreenDC::DoGetSize(
+  int*                              pnWidth
+, int*                              pnHeight
+) const
 {
-    // TODO
-}
+    //
+    // Skip wxWindowDC version because it doesn't work without a valid m_canvas
+    // (which we don't have)
+    //
+    wxDC::DoGetSize( pnWidth
+                    ,pnHeight
+                   );
+} // end of wxScreenDC::DoGetSize