1 files changed, 49 insertions, 0 deletions
diff --git a/src/runtime/rwinrsc.r b/src/runtime/rwinrsc.r
new file mode 100644
index 0000000..a9091be
--- /dev/null
+++ b/src/runtime/rwinrsc.r
@@ -0,0 +1,49 @@
+/*
+ * File: rwinrsc.r
+ *  Icon graphics interface resources
+ *
+ * Resources are allocated through a layer of internal management
+ * routines in order to handle aliasing and resource sharing.
+ */
+#ifdef Graphics
+
+/*
+ * global variables.
+ */
+
+wcp wcntxts = NULL;
+wsp wstates = NULL;
+wbp wbndngs = NULL;
+int win_highwater = -1;
+
+#ifdef XWindows
+#include "rxrsc.ri"
+#endif					/* XWindows */
+
+/*
+ * allocate a window binding structure
+ */
+wbp alc_wbinding()
+   {
+   wbp w;
+
+   GRFX_ALLOC(w, _wbinding);
+   GRFX_LINK(w, wbndngs);
+   return w;
+   }
+
+/*
+ * free a window binding.
+ */
+void free_binding(w)
+wbp w;
+   {
+   w->refcount--;
+   if(w->refcount == 0) {
+      if (w->window) free_window(w->window);
+      if (w->context) free_context(w->context);
+      GRFX_UNLINK(w, wbndngs);
+      }
+   }
+
+#endif					/* Graphics */