* new keyboard input framework: vtkbd

   * BS/BS2 is now merged to BS.
   * DEL/Ctrl-D is not mreged.
   * pager code (waterball) is a little refined but still far from good.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4887 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

3 files changed, 84 insertions, 33 deletions

diff --git a/include/bbs.h b/include/bbs.h
index 888f6d74..d16d5b02 100644
--- a/include/bbs.h
+++ b/include/bbs.h
@@ -43,6 +43,7 @@ extern "C" {
 #endif
 
 #include "ansi.h"
+#include "vtkbd.h"
 #include "visio.h"
 #include "statistic.h"
 #include "uflags.h"
diff --git a/include/common.h b/include/common.h
index d5400070..a2829047 100644
--- a/include/common.h
+++ b/include/common.h
@@ -154,39 +154,6 @@
 #define ST_FRIEND  (IBH | IFH | HFM)
 #define ST_REJECT  (IRH | HRM)       
 
-/* Áä½L³]©w */
-#define KEY_TAB         9
-#define KEY_ESC         27
-#define KEY_CR		('\r')	    // Ctrl('M'), 0x0D
-#define KEY_LF		('\n')	    // Ctrl('J'), 0x0A
-#define KEY_ENTER	KEY_CR	    // for backward compatibility
-#define KEY_BS		(Ctrl('H'))
-#define KEY_BS2		(0x7f)
-#define KEY_UP          0x0101
-#define KEY_DOWN        0x0102
-#define KEY_RIGHT       0x0103
-#define KEY_LEFT        0x0104
-#define KEY_STAB        0x0105	/* shift-tab */
-#define KEY_HOME        0x0201
-#define KEY_INS         0x0202
-#define KEY_DEL         0x0203
-#define KEY_END         0x0204
-#define KEY_PGUP        0x0205
-#define KEY_PGDN        0x0206
-#define KEY_F1		0x0301
-#define KEY_F2		0x0302
-#define KEY_F3		0x0303
-#define KEY_F4		0x0304
-#define KEY_F5		0x0305
-#define KEY_F6		0x0306
-#define KEY_F7		0x0307
-#define KEY_F8		0x0308
-#define KEY_F9		0x0309
-#define KEY_F10		0x030A
-#define KEY_F11		0x030B
-#define KEY_F12		0x030C
-#define KEY_UNKNOWN	0x0FFF	/* unknown sequence */
-
 #define QCAST           int (*)(const void *, const void *)
 #define Ctrl(c)         (c & 037)
 #define chartoupper(c)  ((c >= 'a' && c <= 'z') ? c+'A'-'a' : c)
diff --git a/include/vtkbd.h b/include/vtkbd.h
new file mode 100644
index 00000000..f1e998c8
--- /dev/null
+++ b/include/vtkbd.h
@@ -0,0 +1,83 @@
+/*
+ * vtkbd.c
+ * Virtual Terminal Keyboard
+ *
+ * piaip's new re-implementation of xterm/VT100/220/ANSI key input 
+ * escape sequence parser for BBS
+ *
+ * Author: Hung-Te Lin (piaip)
+ * Create: Wed Sep 23 15:06:43 CST 2009
+ * ---------------------------------------------------------------------------
+ * Copyright (c) 2009 Hung-Te Lin <piaip@csie.org>
+ * All rights reserved.
+ * Distributed under BSD license (GPL compatible).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ */
+
+#ifndef _VTKBD_H
+#define _VTKBD_H
+
+/* context definition */
+typedef struct {
+    int     state;
+    int     esc_arg;
+} VtkbdCtx;
+
+/* vtkbd API */
+int vtkbd_process(int c, VtkbdCtx *ctx);
+
+/* common ASCII compatible keys definition */
+#define KEY_TAB         9
+#define KEY_ESC         27
+#define KEY_CR          ('\r')      // Ctrl('M'), 0x0D
+#define KEY_LF          ('\n')      // Ctrl('J'), 0x0A, will be ignored.
+#define KEY_ENTER       KEY_CR      // for backward compatibility
+
+/* BS/ERASE/DEL, see vtkbd.c for the rules */
+#define KEY_BS          (0x08)      // see vtkbd.c for BS/DEL Rules
+
+/* arrow keys (must follow vt100 ordering) */
+#define KEY_UP          0x0101
+#define KEY_DOWN        0x0102
+#define KEY_RIGHT       0x0103
+#define KEY_LEFT        0x0104
+
+#define KEY_STAB        0x0109  /* shift-tab */
+
+/* 6 extended keys (must follow vt220 ordering) */
+#define KEY_HOME        0x0201
+#define KEY_INS         0x0202
+#define KEY_DEL         0x0203
+#define KEY_END         0x0204
+#define KEY_PGUP        0x0205
+#define KEY_PGDN        0x0206
+
+/* PFn/Fn function keys */
+#define KEY_F1          0x0301
+#define KEY_F2          0x0302
+#define KEY_F3          0x0303
+#define KEY_F4          0x0304
+#define KEY_F5          0x0305
+#define KEY_F6          0x0306
+#define KEY_F7          0x0307
+#define KEY_F8          0x0308
+#define KEY_F9          0x0309
+#define KEY_F10         0x030A
+#define KEY_F11         0x030B
+#define KEY_F12         0x030C
+
+/* vtkbd meta keys */
+#define KEY_INCOMPLETE  0x0420  /* 0x?20 to prevent accident usage */
+#define KEY_UNKNOWN     0x0FFF  /* unknown sequence */
+
+#endif // _VTKBD_H
+
+// vim:ts=4:sw=4:et