fixed crash on startup

[wxWidgets.git] / src / x11 / glcanvas.cpp

diff --git a/src/x11/glcanvas.cpp b/src/x11/glcanvas.cpp
index c7bf78eb39db7065bda84a847daba3e25d0713fc..3736c7e91e5877d9899b57214a1d87f413e37232 100644 (file)
--- a/src/x11/glcanvas.cpp
+++ b/src/x11/glcanvas.cpp
@@ -18,9 +18,12 @@
 
 #if wxUSE_GLCANVAS
 
+// #error Sorry, wxGLCanvas does not work yet with wxX11
+
 #include "wx/glcanvas.h"
 #include "wx/utils.h"
 #include "wx/app.h"
+#include "wx/log.h"
 
 #ifdef __VMS
 # pragma message disable nosimpint
@@ -237,8 +240,8 @@ bool wxGLCanvas::Create( wxWindow *parent,
 
     // Check for the presence of the GLX extension
     if(!glXQueryExtension(display, NULL, NULL)) {
-       wxDebugMsg("wxGLCanvas: GLX extension is missing\n");
-       return false;
+       wxLogDebug("wxGLCanvas: GLX extension is missing\n");
+       return FALSE;
     }
 
     if(attribList) {
@@ -286,7 +289,7 @@ bool wxGLCanvas::Create( wxWindow *parent,
       attribList = (int*) data;
       // Get an appropriate visual
       vi = glXChooseVisual(display, DefaultScreen(display), attribList);
-      if(!vi) return false;
+      if(!vi) return FALSE;
       
       // Here we should make sure that vi is the same visual as the
       // one used by the xwindow drawable in wxCanvas.  However,
@@ -297,9 +300,9 @@ bool wxGLCanvas::Create( wxWindow *parent,
        XGetWindowAttributes(display, (Window) GetClientAreaWindow(), &xwa);
        vi_templ.visualid = XVisualIDFromVisual(xwa.visual);
        vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n);
-       if(!vi) return false;
+       if(!vi) return FALSE;
        glXGetConfig(display, vi, GLX_USE_GL, &val);
-       if(!val) return false;
+       if(!val) return FALSE;
        // Basically, this is it.  It should be possible to use vi
        // in glXCreateContext() below.  But this fails with Mesa.
        // I notified the Mesa author about it; there may be a fix.
@@ -326,7 +329,7 @@ bool wxGLCanvas::Create( wxWindow *parent,
        a_list[n] = None;
        // XFree(vi);
        vi = glXChooseVisual(display, DefaultScreen(display), a_list);
-       if(!vi) return false;
+       if(!vi) return FALSE;
 #endif /* OLD_MESA */
     }
 
@@ -347,7 +350,7 @@ bool wxGLCanvas::Create( wxWindow *parent,
 #endif
     SetCurrent();
 
-    return true;
+    return TRUE;
 }
 
 wxGLCanvas::~wxGLCanvas(void)