+ if (!isSubWindow && !window->IsMenu &&
+ ((fgState.DisplayMode & GLUT_BORDERLESS) || (fgState.DisplayMode & GLUT_CAPTIONLESS)))
+ {
+ /* _MOTIF_WM_HINTS is replaced by _NET_WM_WINDOW_TYPE, but that property does not allow precise
+ * control over the visual style of the window, which is what we are trying to achieve here.
+ * Stick with Motif and hope for the best... */
+ MotifWmHints hints = {0};
+ hints.flags = MWM_HINTS_DECORATIONS;
+ hints.decorations = (fgState.DisplayMode & GLUT_CAPTIONLESS) ? MWM_DECOR_BORDER:0;
+
+ XChangeProperty(fgDisplay.pDisplay.Display, window->Window.Handle,
+ XInternAtom( fgDisplay.pDisplay.Display, "_MOTIF_WM_HINTS", False ),
+ XInternAtom( fgDisplay.pDisplay.Display, "_MOTIF_WM_HINTS", False ), 32,
+ PropModeReplace,
+ (unsigned char*) &hints,
+ sizeof(MotifWmHints) / sizeof(long));
+ }
+
+