Initial commit

1 files changed, 36 insertions, 0 deletions

diff --git a/sys/gio/stdgraph/stgscur.x b/sys/gio/stdgraph/stgscur.x
new file mode 100644
index 00000000..e40d4a3d
--- /dev/null
+++ b/sys/gio/stdgraph/stgscur.x
@@ -0,0 +1,36 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"stdgraph.h"
+
+# STG_SETCURSOR -- Set the position of a cursor.
+
+procedure stg_setcursor (x, y, cursor)
+
+int	x, y			# new position of cursor
+int	cursor			# cursor to be set
+int	mx, my, cur
+include	"stdgraph.com"
+
+begin
+	# If cursor=0, write the cursor last referenced.
+	if (cursor > 0) {
+	    SG_CURSOR(g_sg) = cursor
+	    cur = cursor
+	} else
+	    cur = max (1, SG_CURSOR(g_sg))
+
+	# If the user has locked the logical cursor override runtime selection.
+	if (g_cursor > 0)
+	    cur = g_cursor
+
+	# Restore the software cursor position before reading?
+	if (SG_UPDCURSOR(g_sg) == YES) {
+	    SG_CURSOR_X(g_sg) = x
+	    SG_CURSOR_Y(g_sg) = y
+	}
+
+	mx = max(g_x1, min(g_x2, nint (x * g_dx) + g_x1))
+	my = max(g_y1, min(g_y2, nint (y * g_dy) + g_y1))
+
+	call stg_ctrl3 ("WC", mx, my, cur)
+end