summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/slang/slgetkey.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/slang/slgetkey.c')
-rw-r--r--mdk-stage1/slang/slgetkey.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/mdk-stage1/slang/slgetkey.c b/mdk-stage1/slang/slgetkey.c
deleted file mode 100644
index 2f2914f07..000000000
--- a/mdk-stage1/slang/slgetkey.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/* Copyright (c) 1992, 1999, 2001 John E. Davis
- * This file is part of the S-Lang library.
- *
- * You may distribute under the terms of either the GNU General Public
- * License or the Perl Artistic License.
- */
-
-#include "slinclud.h"
-
-#include "slang.h"
-#include "_slang.h"
-
-unsigned int SLang_Input_Buffer_Len = 0;
-unsigned char SLang_Input_Buffer [SL_MAX_INPUT_BUFFER_LEN];
-
-int SLang_Abort_Char = 7;
-int SLang_Ignore_User_Abort = 0;
-
-/* This has the effect of mapping all characters in the range 128-169 to
- * ESC [ something
- */
-
-unsigned int SLang_getkey (void)
-{
- unsigned int imax;
- unsigned int ch;
-
- if (SLang_Input_Buffer_Len)
- {
- ch = (unsigned int) *SLang_Input_Buffer;
- SLang_Input_Buffer_Len--;
- imax = SLang_Input_Buffer_Len;
-
- SLMEMCPY ((char *) SLang_Input_Buffer,
- (char *) (SLang_Input_Buffer + 1), imax);
- }
- else if (SLANG_GETKEY_ERROR == (ch = _SLsys_getkey ())) return ch;
-
-#if _SLANG_MAP_VTXXX_8BIT
-# if !defined(IBMPC_SYSTEM)
- if (ch & 0x80)
- {
- unsigned char i;
- i = (unsigned char) (ch & 0x7F);
- if (i < ' ')
- {
- i += 64;
- SLang_ungetkey (i);
- ch = 27;
- }
- }
-# endif
-#endif
- return(ch);
-}
-
-int SLang_ungetkey_string (unsigned char *s, unsigned int n)
-{
- register unsigned char *bmax, *b, *b1;
- if (SLang_Input_Buffer_Len + n + 3 > SL_MAX_INPUT_BUFFER_LEN)
- return -1;
-
- b = SLang_Input_Buffer;
- bmax = (b - 1) + SLang_Input_Buffer_Len;
- b1 = bmax + n;
- while (bmax >= b) *b1-- = *bmax--;
- bmax = b + n;
- while (b < bmax) *b++ = *s++;
- SLang_Input_Buffer_Len += n;
- return 0;
-}
-
-int SLang_buffer_keystring (unsigned char *s, unsigned int n)
-{
-
- if (n + SLang_Input_Buffer_Len + 3 > SL_MAX_INPUT_BUFFER_LEN) return -1;
-
- SLMEMCPY ((char *) SLang_Input_Buffer + SLang_Input_Buffer_Len,
- (char *) s, n);
- SLang_Input_Buffer_Len += n;
- return 0;
-}
-
-int SLang_ungetkey (unsigned char ch)
-{
- return SLang_ungetkey_string(&ch, 1);
-}
-
-int SLang_input_pending (int tsecs)
-{
- int n;
- unsigned char c;
- if (SLang_Input_Buffer_Len) return (int) SLang_Input_Buffer_Len;
-
- n = _SLsys_input_pending (tsecs);
-
- if (n <= 0) return 0;
-
- c = (unsigned char) SLang_getkey ();
- SLang_ungetkey_string (&c, 1);
-
- return n;
-}
-
-void SLang_flush_input (void)
-{
- int quit = SLKeyBoard_Quit;
-
- SLang_Input_Buffer_Len = 0;
- SLKeyBoard_Quit = 0;
- while (_SLsys_input_pending (0) > 0)
- {
- (void) _SLsys_getkey ();
- /* Set this to 0 because _SLsys_getkey may stuff keyboard buffer if
- * key sends key sequence (OS/2, DOS, maybe VMS).
- */
- SLang_Input_Buffer_Len = 0;
- }
- SLKeyBoard_Quit = quit;
-}
-
-#ifdef IBMPC_SYSTEM
-static int Map_To_ANSI;
-int SLgetkey_map_to_ansi (int enable)
-{
- Map_To_ANSI = enable;
- return 0;
-}
-
-static int convert_scancode (unsigned int scan,
- unsigned int shift,
- int getkey,
- unsigned int *ret_key)
-{
- unsigned char buf[16];
- unsigned char *b;
- unsigned char end;
- int is_arrow;
-
- shift &= (_SLTT_KEY_ALT|_SLTT_KEY_SHIFT|_SLTT_KEY_CTRL);
-
- b = buf;
- if (_SLTT_KEY_ALT == shift)
- {
- shift = 0;
- *b++ = 27;
- }
- *b++ = 27;
- *b++ = '[';
-
- is_arrow = 0;
- end = '~';
- if (shift)
- {
- if (shift == _SLTT_KEY_CTRL)
- end = '^';
- else if (shift == _SLTT_KEY_SHIFT)
- end = '$';
- else shift = 0;
- }
-
- /* These mappings correspond to what rxvt produces under Linux */
- switch (scan & 0xFF)
- {
- default:
- return -1;
-
- case 0x47: /* home */
- *b++ = '1';
- break;
- case 0x48: /* up */
- end = 'A';
- is_arrow = 1;
- break;
- case 0x49: /* PgUp */
- *b++ = '5';
- break;
- case 0x4B: /* Left */
- end = 'D';
- is_arrow = 1;
- break;
- case 0x4D: /* Right */
- end = 'C';
- is_arrow = 1;
- break;
- case 0x4F: /* End */
- *b++ = '4';
- break;
- case 0x50: /* Down */
- end = 'B';
- is_arrow = 1;
- break;
- case 0x51: /* PgDn */
- *b++ = '6';
- break;
- case 0x52: /* Insert */
- *b++ = '2';
- break;
- case 0x53: /* Delete */
- *b++ = '3';
- break;
- case ';': /* F1 */
- *b++ = '1';
- *b++ = '1';
- break;
- case '<': /* F2 */
- *b++ = '1';
- *b++ = '2';
- break;
- case '=': /* F3 */
- *b++ = '1';
- *b++ = '3';
- break;
-
- case '>': /* F4 */
- *b++ = '1';
- *b++ = '4';
- break;
-
- case '?': /* F5 */
- *b++ = '1';
- *b++ = '5';
- break;
-
- case '@': /* F6 */
- *b++ = '1';
- *b++ = '7';
- break;
-
- case 'A': /* F7 */
- *b++ = '1';
- *b++ = '8';
- break;
-
- case 'B': /* F8 */
- *b++ = '1';
- *b++ = '9';
- break;
-
- case 'C': /* F9 */
- *b++ = '2';
- *b++ = '0';
- break;
-
- case 'D': /* F10 */
- *b++ = '2';
- *b++ = '1';
- break;
-
- case 0x57: /* F11 */
- *b++ = '2';
- *b++ = '3';
- break;
-
- case 0x58: /* F12 */
- *b++ = '2';
- *b++ = '4';
- break;
- }
-
- if (is_arrow && shift)
- {
- if (shift == _SLTT_KEY_CTRL)
- end &= 0x1F;
- else
- end |= 0x20;
- }
- *b++ = end;
-
- if (getkey)
- {
- (void) SLang_buffer_keystring (buf + 1, (unsigned int) (b - (buf + 1)));
- *ret_key = buf[0];
- return 0;
- }
-
- (void) SLang_buffer_keystring (buf, (unsigned int) (b - buf));
- return 0;
-}
-
-
-unsigned int _SLpc_convert_scancode (unsigned int scan,
- unsigned int shift,
- int getkey)
-{
- unsigned char buf[16];
-
- if (Map_To_ANSI)
- {
- if (0 == convert_scancode (scan, shift, getkey, &scan))
- return scan;
- }
-
- if (getkey)
- {
- buf[0] = scan & 0xFF;
- SLang_buffer_keystring (buf, 1);
- return (scan >> 8) & 0xFF;
- }
- buf[0] = (scan >> 8) & 0xFF;
- buf[1] = scan & 0xFF;
- (void) SLang_buffer_keystring (buf, 2);
- return 0;
-}
-
-#endif
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-21 21:31:56 +0000