Initial commit

1 files changed, 41 insertions, 0 deletions

diff --git a/sys/gio/stdgraph/stgreact.x b/sys/gio/stdgraph/stgreact.x
new file mode 100644
index 00000000..21c2a821
--- /dev/null
+++ b/sys/gio/stdgraph/stgreact.x
@@ -0,0 +1,41 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gset.h>
+include	<ttset.h>
+include	"stdgraph.h"
+
+# STG_REACTIVATEWS -- Reactivate the workstation, i.e., enable graphics.
+
+procedure stg_reactivatews (flags)
+
+int	flags			# action flags (handled by cursor mode)
+
+int	junk
+int	ttstati(), ttyctrl(), and()
+extern	stg_onerror()
+include	"stdgraph.com"
+
+begin
+	if (g_active == NO) {
+	    junk = ttyctrl (g_out, g_tty, "OW", 1)
+
+	    # Post error handler to be called if we abort.
+	    call onerror (stg_onerror)
+
+	    g_active = YES
+	    g_enable = YES
+
+	    # Must disable stty ucaseout mode when in graphics mode, else
+	    # plotting commands may be modified by the terminal driver.
+
+	    g_ucaseout = ttstati (g_out, TT_UCASEOUT)
+	    if (g_ucaseout == YES)
+		call ttseti (g_out, TT_UCASEOUT, NO)
+
+	    # Clear the graphics screen?
+	    if (and (flags, AW_CLEAR) != 0)
+		call stg_clear (0)
+
+	    call flush (g_out)
+	}
+end