19990502 sourceware import

include/mpw/spin.h

@@ -0,0 +1,64 @@
+/* Progress macros that use SpinCursor in MPW.
+   Copyright (C) 1994 Free Software Foundation, Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _SPIN_H
+#define _SPIN_H
+
+/* For MPW, progress macros just need to "spin the cursor" frequently,
+   preferably several times per second on a 68K Mac.  */
+
+/* In order to determine if we're meeting the goal, define this macro
+   and information about frequency of spinning will be collected and
+   displayed.  */
+
+#define SPIN_MEASUREMENT
+
+#include <CursorCtl.h>
+
+/* Programs use this macro to indicate the start of a lengthy
+   activity.  STR identifies the particular activity, while N
+   indicates the expected duration, in unspecified units.  If N is
+   zero, then the expected time to completion is unknown.  */
+
+#undef START_PROGRESS
+#define START_PROGRESS(STR,N) mpw_start_progress (STR, N, __FILE__, __LINE__);
+
+/* Programs use this macro to indicate that progress has been made on a
+   lengthy activity.  */
+
+#undef PROGRESS
+#ifdef SPIN_MEASUREMENT
+#define PROGRESS(X) mpw_progress_measured (X, __FILE__, __LINE__);
+#else
+#define PROGRESS(X) mpw_progress (X);
+#endif 
+
+/* Programs use this macro to indicate the end of a lengthy activity.
+   STR must match a STR passed to START_PROGRESS previously.  */
+
+#undef END_PROGRESS
+#define END_PROGRESS(STR) mpw_end_progress (STR, __FILE__, __LINE__);
+
+extern void mpw_start_progress (char *, int, char *, int);
+
+extern void mpw_progress (int);
+
+extern void mpw_progress_measured (int, char *, int);
+
+extern void mpw_end_progress (char *, char *, int);
+
+#endif /* _SPIN_H */