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1 files changed, 32 insertions, 0 deletions

diff --git a/sys/gio/cursor/gtrrcur.x b/sys/gio/cursor/gtrrcur.x
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+++ b/sys/gio/cursor/gtrrcur.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gki.h>
+
+# GTR_READCURSOR -- Read the graphics cursor position in NDC coordinates.
+# By the time we are called the plot has already been drawn and the
+# workstation closed, hence we must reopen the workstation to read the
+# cursor (the graphics terminal will not be in graphics mode otherwise).
+
+int procedure gtr_readcursor (fd, key, sx, sy, raster, rx, ry)
+
+int	fd			#I graphics stream
+int	key			#O keystroke value
+real	sx, sy			#O NDC screen coords of cursor
+int	raster			#O raster number
+real	rx, ry			#O NDC raster coords of cursor
+
+int	cn
+int	m_sx, m_sy
+int	m_rx, m_ry
+
+begin
+	call gki_getcursor (fd, 0,
+	    cn, key, m_sx, m_sy, raster, m_rx, m_ry)
+
+	sx = real(m_sx) / GKI_MAXNDC
+	sy = real(m_sy) / GKI_MAXNDC
+	rx = real(m_rx) / GKI_MAXNDC
+	ry = real(m_ry) / GKI_MAXNDC
+
+	return (key)
+end