--- /dev/null
+/* Cursor motion calculation definitions for XEmacs
+ Copyright (C) 1985, 1989, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of XEmacs.
+
+XEmacs 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, or (at your option) any
+later version.
+
+XEmacs 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 XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: FSF 19.30. */
+
+/* #### Chuck -- This file should be deleted. I'm not deleting it yet
+ because there might be something you want out of it. */
+
+#ifndef INCLUDED_cm_h_
+#define INCLUDED_cm_h_
+
+/* Holds the minimum and maximum costs for the parametrized capabilities. */
+struct parmcap
+ {
+ int mincost, maxcost;
+ };
+
+/* This structure holds everything needed to do cursor motion except the pad
+ character (PC) and the output speed of the terminal (ospeed), which
+ termcap wants in global variables. */
+
+struct cm
+ {
+#if 0
+ /* Cursor position. -1 in *both* variables means the cursor
+ position is unknown, in order to force absolute cursor motion. */
+
+ int cm_curY; /* Current row */
+ int cm_curX; /* Current column */
+
+ /* Capabilities from termcap */
+ const char *cm_up; /* up (up) */
+ const char *cm_down; /* down (do) */
+ const char *cm_left; /* left (le) */
+ const char *cm_right; /* right (nd) */
+ const char *cm_home; /* home (ho) */
+ const char *cm_cr; /* carriage return (cr) */
+ const char *cm_ll; /* last line (ll) */
+#endif /* 0 */
+ const char *cm_tab; /* tab (ta) */
+ const char *cm_backtab; /* backtab (bt) */
+#if 0
+ const char *cm_abs; /* absolute (cm) */
+ const char *cm_habs; /* horizontal absolute (ch) */
+ const char *cm_vabs; /* vertical absolute (cv) */
+ const char *cm_ds; /* "don't send" string (ds) */
+ const char *cm_multiup; /* multiple up (UP) */
+ const char *cm_multidown; /* multiple down (DO) */
+ const char *cm_multileft; /* multiple left (LE) */
+ const char *cm_multiright; /* multiple right (RI) */
+ int cm_cols; /* number of cols on frame (co) */
+ int cm_rows; /* number of rows on frame (li) */
+ int cm_tabwidth; /* tab width (it) */
+ unsigned int cm_autowrap:1; /* autowrap flag (am) */
+ unsigned int cm_magicwrap:1; /* VT-100: cursor stays in last col but
+ will cm_wrap if next char is
+ printing (xn) */
+ unsigned int cm_usetabs:1; /* if set, use tabs */
+ unsigned int cm_losewrap:1; /* if reach right margin, forget cursor
+ location */
+ unsigned int cm_autolf:1; /* \r performs a \r\n (rn) */
+#endif
+
+ /* Parametrized capabilities. This needs to be a struct since
+ the costs are accessed through pointers. */
+
+#if 0
+ struct parmcap cc_abs; /* absolute (cm) */
+ struct parmcap cc_habs; /* horizontal absolute (ch) */
+ struct parmcap cc_vabs; /* vertical absolute (cv) */
+ struct parmcap cc_multiup; /* multiple up (UP) */
+ struct parmcap cc_multidown; /* multiple down (DO) */
+ struct parmcap cc_multileft; /* multiple left (LE) */
+ struct parmcap cc_multiright; /* multiple right (RI) */
+#endif
+
+#if 0
+ /* Costs for the non-parametrized capabilities */
+ int cc_up; /* cost for up */
+ int cc_down; /* etc. */
+ int cc_left;
+ int cc_right;
+ int cc_home;
+ int cc_cr;
+ int cc_ll;
+ int cc_tab;
+ int cc_backtab;
+ /* These are temporary, until the code is installed to use the
+ struct parmcap fields above. */
+ int cc_abs;
+ int cc_habs;
+ int cc_vabs;
+#endif
+ };
+
+#if 0
+extern struct cm Wcm; /* Terminal capabilities */
+extern char PC; /* Pad character */
+
+/* Shorthand */
+#ifndef NoCMShortHand
+#define curY Wcm.cm_curY
+#define curX Wcm.cm_curX
+#define Up Wcm.cm_up
+#define Down Wcm.cm_down
+#define Left Wcm.cm_left
+#define Right Wcm.cm_right
+#define Tab Wcm.cm_tab
+#define BackTab Wcm.cm_backtab
+#define TabWidth Wcm.cm_tabwidth
+#define CR Wcm.cm_cr
+#define Home Wcm.cm_home
+#define LastLine Wcm.cm_ll
+#define AbsPosition Wcm.cm_abs
+#define ColPosition Wcm.cm_habs
+#define RowPosition Wcm.cm_vabs
+#define MultiUp Wcm.cm_multiup
+#define MultiDown Wcm.cm_multidown
+#define MultiLeft Wcm.cm_multileft
+#define MultiRight Wcm.cm_multiright
+#define AutoWrap Wcm.cm_autowrap
+#define MagicWrap Wcm.cm_magicwrap
+#define UseTabs Wcm.cm_usetabs
+#define FrameRows Wcm.cm_rows
+#define FrameCols Wcm.cm_cols
+
+#define UpCost Wcm.cc_up
+#define DownCost Wcm.cc_down
+#define LeftCost Wcm.cc_left
+#define RightCost Wcm.cc_right
+#define HomeCost Wcm.cc_home
+#define CRCost Wcm.cc_cr
+#define LastLineCost Wcm.cc_ll
+#define TabCost Wcm.cc_tab
+#define BackTabCost Wcm.cc_backtab
+#define AbsPositionCost Wcm.cc_abs
+#define ColPositionCost Wcm.cc_habs
+#define RowPositionCost Wcm.cc_vabs
+#define MultiUpCost Wcm.cc_multiup
+#define MultiDownCost Wcm.cc_multidown
+#define MultiLeftCost Wcm.cc_multileft
+#define MultiRightCost Wcm.cc_multiright
+#endif
+#endif /* 0 */
+
+#define cmat(row,col) (curY = (row), curX = (col))
+#define cmplus(n) \
+ { \
+ if ((curX += (n)) >= FrameCols && !MagicWrap) \
+ { \
+ if (Wcm.cm_losewrap) losecursor (); \
+ else if (AutoWrap) curX = 0, curY++; \
+ else curX--; \
+ } \
+ }
+
+#define losecursor() (curX = -1, curY = -1)
+
+extern int cost;
+void cmputc (int c);
+void cmcheckmagic (void);
+void cm_cost_init (struct console *c);
+void cmgoto (int, int);
+void Wcm_clear (void);
+int Wcm_init (void);
+
+#endif /* INCLUDED_cm_h_ */
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