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authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/gio/stdgraph/stgdeact.x
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'sys/gio/stdgraph/stgdeact.x')
-rw-r--r--sys/gio/stdgraph/stgdeact.x54
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diff --git a/sys/gio/stdgraph/stgdeact.x b/sys/gio/stdgraph/stgdeact.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <ttset.h>
+include <gset.h>
+include "stdgraph.h"
+
+# STG_DEACTIVATEWS -- Deactivate the workstation, i.e., disable graphics,
+# leaving the terminal in text mode. Note that it is the CW (close
+# workstation) sequence which is actually output, since the GD sequence is
+# used only to write single lines of text to the status line.
+
+procedure stg_deactivatews (flags)
+
+int flags # action modifier flags
+
+char buf[1]
+int stg_readtty(), and()
+include "stdgraph.com"
+
+begin
+ if (g_out <= 0)
+ return
+
+ # The g_active and g_out test permits us to be called before the
+ # kernel is opened and causes redundant calls to be ignored.
+
+ if (g_active == YES) {
+ # Pause before deactivating?
+ if (and (flags, AW_PAUSE) != 0) {
+ call stg_putline (g_out, "\n[Hit return to continue]\n")
+ while (stg_readtty (STDIN, buf, 1) != EOF)
+ if (buf[1] == '\r' || buf[1] == '\n')
+ break
+ }
+
+ # Deactivate the workstation.
+ call stgctrl ("CW")
+
+ g_active = NO
+ g_enable = NO
+
+ # Reenable stty ucaseout mode if it was set when the workstation
+ # was activated.
+
+ if (g_ucaseout == YES)
+ call ttseti (g_out, TT_UCASEOUT, YES)
+ }
+
+ # Clear the text screen?
+ if (and (flags, AW_CLEAR) != 0 && g_term != NULL)
+ call ttyclear (g_out, g_term)
+
+ call flush (g_out)
+end