Initial commit

1 files changed, 32 insertions, 0 deletions

diff --git a/sys/gio/greact.x b/sys/gio/greact.x
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index 00000000..e201d543
--- /dev/null
+++ b/sys/gio/greact.x
@@ -0,0 +1,32 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gset.h>
+include	<gio.h>
+
+# GREACTIVATE -- Reactivate the workstation, i.e., for an interactive device
+# (graphics terminal) restore the terminal to graphics mode, following a call
+# to gdeactivate to do some normal terminal mode text i/o.
+
+procedure greactivate (gp, flags)
+
+pointer	gp			# graphics descriptor
+int	flags			# action flags
+
+int	and()
+errchk	gki_reactivatews, gactivate
+
+begin
+	call flush (STDOUT)
+	if (and (GP_GFLAGS(gp), GF_WSOPEN) != 0) {
+	    # The workstation is already open - just reactivate it.
+	    call gki_reactivatews (GP_FD(gp), flags)
+	    if (and (GP_GFLAGS(gp), GF_WSACTIVE) == 0)
+		GP_GFLAGS(gp) = GP_GFLAGS(gp) + GF_WSACTIVE
+	} else {
+	    # Open the workstation (implies an automatic reactivatews).
+	    call gactivate (gp, flags)
+	}
+
+	if (and (flags, AW_CLEAR) != 0)
+	    call gfrinit (gp)
+end