initial importv0.9

1 files changed, 232 insertions, 0 deletions

diff --git a/src/tty.c b/src/tty.c
new file mode 100644
index 0000000..0a7b7fc
--- /dev/null
+++ b/src/tty.c
@@ -0,0 +1,232 @@
+
+/* --------------------------------------------------------------------
+   tty code for my 68HC11 devtools project
+
+   Copyright (C) 2004 Dominic Radermacher <dominic.radermacher@gmail.com>
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+         
+   http://www.apache.org/licenses/LICENSE-2.0
+                
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   -------------------------------------------------------------------- */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>		/* strncpy() */
+#include <termios.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include "tty.h"
+
+struct _tty_keyseq_struct {
+	char *seq;
+	int code;
+} tty_keyseqs[] = {
+	{"[[A", KEY_F1}, {"OP", KEY_F1},
+	{"[[B", KEY_F2}, {"OQ", KEY_F2},
+	{"[[C", KEY_F3}, {"OR", KEY_F3},
+	{"[[D", KEY_F4}, {"OS", KEY_F4},
+	{"[[E", KEY_F5}, {"[15~", KEY_F5},
+	{"[17~", KEY_F6},
+	{"[18~", KEY_F7},
+	{"[19~", KEY_F8},
+	{"[20~", KEY_F9},
+	{"[21~", KEY_F10},
+	{"[23~", KEY_F11},
+	{"[24~", KEY_F12},
+	{"[25~", KEY_F13},
+	{"[A", KEY_C_UP},
+	{"[B", KEY_C_DOWN},
+	{"[C", KEY_C_RIGHT},
+	{"[D", KEY_C_LEFT},
+	{"[2~", KEY_INS},
+	{"[3~", KEY_DEL},
+	{"[1~", KEY_HOME}, {"[H", KEY_HOME},
+	{"[5~", KEY_PG_UP},
+	{"[6~", KEY_PG_DOWN},
+	{"[4~", KEY_END}, {"[F", KEY_END},
+	{"[P", KEY_BREAK},
+	{0, 0}
+};
+
+/* --------------------------------------------------------------------
+	Function	: Initialisation of the tty.
+	Input value	: Structure of screen.
+	Output value	: Structure of screen with height and width
+   -------------------------------------------------------------------- */
+
+int tty_init(void)
+{
+	struct termios tios;
+
+	if(tcgetattr(0, &tios) == 0) {
+		tios.c_lflag &= ~ICANON;	/* Turn char buffering off */
+		tios.c_lflag &= ~ECHO;		/* Turn char displaying off */
+		tios.c_cflag |= CRTSCTS;
+		if(tcsetattr(0, 0, &tios) != 0) {
+			fprintf(stderr, "TTY Error\n");
+		}
+	}
+	printf("\033[r\033[999;999f\033[6n");
+	scanf("\033[%i;%i", &(my_scr.height), &(my_scr.width));
+	return 0;
+}
+
+int _tty_getkeycode(int t)
+{
+	fd_set fds;
+	struct timeval TimeOut;
+	unsigned char b[1];
+	TimeOut.tv_sec = t;
+	TimeOut.tv_usec = 1000;		/* Mikrosekunden !! */
+  
+	FD_ZERO(&fds);
+	FD_SET(0, &fds);		/* 0 means socket stdin */
+	if(select(1, &fds, NULL, NULL, &TimeOut) != 0) {
+		read(0, b, 1);
+		return 0x0000+b[0];
+	}	/* else ... */
+	return KEY_TIMEOUT;
+}
+
+/* ---------------------------------------------------------------------
+	Function	: Wait for key until timeout, if a key is pressed
+			  return its code.
+	Input value	: Timeout in seconds.
+	Output value	: 0x00xx, xx=keycode, if normal keycode
+			  0x01xx  xx=keycode with ALT modifier
+			  0x02xx  xx=special ESC sequence code
+			  0xffff  if timeout occurs.
+   --------------------------------------------------------------------- */
+
+int tty_getkey(void)
+{
+	int count, k;
+	char b[8];
+
+	if((k=_tty_getkeycode(1)) == KEY_TIMEOUT) {
+		return KEY_TIMEOUT;
+	} else if(k != 0x1b) {
+		return k;
+	} else {
+		for(count=0; ((k=_tty_getkeycode(0)) != KEY_TIMEOUT); count++) {
+			if(count < 7) {
+				b[count]=(k & 0xff);
+			}
+		}
+		if(count == 0) {
+			return 0x001b;
+		} else if(count == 1) {		/* ESC <key> = Alt + <key> */
+			return 0x0100 + b[0];
+		}				/* all others must be looked up */
+		for(k=0; tty_keyseqs[k].seq != NULL; k++) {
+			if(strncmp(tty_keyseqs[k].seq, b, count) == 0) {
+				return tty_keyseqs[k].code;
+			}
+		}
+//		printf("%i ESC %02x %02x %02x %02x\n", count, b[0], b[1], b[2], b[3]);
+		return KEY_UNKNOWN;
+	}
+}
+
+/* --------------------------------------------------------------------
+	Function	: Turns display of chars on or off.
+	Input value	: Mode, can be 0 (off) or 1 (on)
+	Output value	: None.
+   -------------------------------------------------------------------- */
+
+int tty_setechomode(int mode)
+{
+	struct termios tios;
+
+	if(tcgetattr(0, &tios) != 0) {
+		return -1;
+	}
+	if(mode == 0) {
+		tios.c_lflag &= ~ECHO;	/* Char displaying off */
+	} else {
+		tios.c_lflag |= ECHO;	/* Char displaying on */
+	}
+	if(tcsetattr(0, 0, &tios) != 0) {
+		return -1;
+	}
+	return 0;
+}
+
+inline int tty_width()
+{
+	return my_scr.width;
+}
+
+inline int tty_height()
+{
+	return my_scr.height;
+}
+
+inline void tty_cls(void)
+{
+	printf("\033[2J");
+}
+
+inline void tty_clreol(void)
+{
+	printf("\033[0K");	/* clear from cursor to end of line */
+}
+
+void tty_gotoxy(int x, int y)
+{
+	if(x < 1) x=1;
+	if(x > my_scr.width) x=my_scr.width;
+	if(y < 1) y=1;
+	if(y > my_scr.height) y=my_scr.height;
+	printf("\033[%i;%if", y, x);
+}
+
+int tty_setscrollregion(int from, int to)
+{
+	if((from < 1) || (from >= my_scr.height) || (to < from) || (to > my_scr.height)) {
+		return -1;
+	}
+	printf("\033[%i;%ir", from, to);	/* Set scrolling region */
+	return 0;
+}
+
+void tty_setmode(int mode)
+{
+	printf("\033[%im", mode);
+}
+
+void tty_setcolor(int bg, int fg)
+{
+	if((bg < 0) || (bg > 7) || (fg < 0) || (fg > 7)) {
+		return;
+	}
+	printf("\033[%i;%im", 40+bg, 30+fg);
+}
+
+inline void tty_savecursorpos(void)
+{
+	printf("\0337");			/* Save cursor position */
+}
+
+inline void tty_restorecursorpos(void)
+{
+	printf("\0338");			/* Restore cursor */
+}
+
+void tty_reset(void)
+{
+//	tty_setscrollregion(1, my_scr.height);
+	tty_setechomode(1);			/* is NOT included in full reset */
+	printf("\033c");			/* Full reset */
+}