Added some Motif wxGLCanvas support; some more Motif bugs cured; print dialogs

look OK on Motif now; got rid of some #ifdef wxUSE_... instances


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1459 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/glcanvas/samples/cube/cube.cpp

@@ -106,7 +106,9 @@ void TestGLCanvas::OnPaint( wxPaintEvent& event )
     // OnPaint handlers must always create a wxPaintDC.
     wxPaintDC dc(this);
 
+#ifndef __WXMOTIF__
     if (!GetContext()) return;
+#endif
 
     SetCurrent();
 
@@ -155,7 +157,9 @@ void TestGLCanvas::OnSize(wxSizeEvent& event)
     int width, height;
     GetClientSize(& width, & height);
 
+#ifndef __WXMOTIF__
     if (GetContext())
+#endif
     {
         SetCurrent();
         glViewport(0, 0, width, height);

utils/glcanvas/samples/isosurf/isosurf.cpp

@@ -255,13 +255,13 @@ bool MyApp::OnInit(void)
 #endif
 
   if(!doubleBuffer
-#ifdef __X__ // JACS
+#ifdef __WXGTK__ // JACS
    || !wxGLCanvas::HaveVisual(gl_attrib)
 #endif
    )
    {
       printf("don't have double buffer, disabling\n");
-#ifndef __WXMSW__
+#ifdef __WXGTK__
       gl_attrib[9] = None;
 #endif
       doubleBuffer = GL_FALSE;