/*
* $Log$
+ * Revision 1.8 2008/02/07 00:39:13 james
+ * *** empty log message ***
+ *
* Revision 1.7 2008/02/06 20:26:57 james
* *** empty log message ***
*
*/
#include "project.h"
+static void
+set_nonblocking (int fd)
+{
+ long arg;
+ arg = fcntl (fd, F_GETFL, arg);
+ arg |= O_NONBLOCK;
+ fcntl (fd, F_SETFL, arg);
+}
+
+static void
+set_blocking (int fd)
+{
+ long arg;
+ arg = fcntl (fd, F_GETFL, arg);
+ arg &= ~O_NONBLOCK;
+ fcntl (fd, F_SETFL, arg);
+}
+
+
+int ansi_read(ANSI *a,void *buf,int n)
+{
+int red;
+
+ set_nonblocking(a->fd);
+red=read(a->fd,buf,n);
+
+if (!red) return -1;
+
+if ((red==-1) && (errno==EAGAIN)) {
+ return 0;
+}
+
+return red;
+}
+
void
ansi_write (ANSI * a, char *buf, int n)
{
+ set_blocking(a->fd);
write (a->fd, buf, n);
}
crt_reset (&a->crt);
ansi_cls (a);
+ ansi_write(a,"\033=",2);
ansi_draw (a, &a->crt);
}
+void ansi_flush_escape(ANSI *a,VT102 *v)
+{
+ANSI_Parser *p=&a->parser;
+int i;
+
+for (i=0;i<p->escape_ptr;++i) {
+vt102_send(v,p->escape_buf[i]);
+}
+
+p->escape_ptr=0;
+p->in_escape=0;
+}
+
+void ansi_parse_deckey(ANSI *a,VT102 *v)
+{
+ANSI_Parser *p=&a->parser;
+if ((p->escape_buf[1]!='[') && (p->escape_buf[1]!='O')) {
+ ansi_flush_escape(a,v);
+ return;
+}
+
+if ((p->escape_buf[2]>='A') || (p->escape_buf[2]<='Z')){
+ vt102_send(v,KEY_UP+(p->escape_buf[2]-'A'));
+}else if ((p->escape_buf[2]>='a') || (p->escape_buf[2]<='z')){
+ vt102_send(v,KEY_154+(p->escape_buf[2]-'a'));
+} else {
+ ansi_flush_escape(a,v);
+ return;
+}
+p->in_escape=0;
+p->escape_ptr=0;
+}
+
+void ansi_parse_ansikey(ANSI *a,VT102 *v)
+{
+ANSI_Parser *p=&a->parser;
+
+if ((p->escape_buf[1]!='[') ||(p->escape_buf[3]!='~')) {
+ ansi_flush_escape(a,v);
+ return;
+}
+if ((p->escape_buf[2]>='0') || (p->escape_buf[2]<='9')){
+ vt102_send(v,KEY_180+(p->escape_buf[2]-'0'));
+} else {
+ ansi_flush_escape(a,v);
+ return;
+}
+
+p->in_escape=0;
+p->escape_ptr=0;
+}
+
+
+
+void ansi_parse_escape(ANSI *a,VT102 *v)
+{
+ANSI_Parser *p=&a->parser;
+switch(p->escape_ptr) {
+case 0:
+case 1:
+ return;
+case 2:
+ switch (p->escape_buf[1]) {
+ case '[':
+ case 'O':
+ break;
+ default:
+ ansi_flush_escape(a,v);
+ }
+ break;
+case 3:
+ switch(p->escape_buf[1]) {
+ case 'O':
+ ansi_parse_deckey(a,v);
+ break;
+ case '[':
+ if ((p->escape_buf[2]>='A') &&
+ (p->escape_buf[2]<='Z'))
+ ansi_parse_deckey(a,v);
+ break;
+ default:
+ ansi_flush_escape(a,v);
+ }
+ break;
+case 4:
+ switch(p->escape_buf[1]) {
+ case '[':
+ ansi_parse_ansikey(a,v);
+ break;
+ default:
+ ansi_flush_escape(a,v);
+ }
+ break;
+case 5:
+ ansi_flush_escape(a,v);
+}
+}
+
+
+void ansi_check_escape(ANSI *a,VT102 *v)
+{
+ANSI_Parser *p=&a->parser;
+ struct timeval now,diff;
+ gettimeofday(&now,NULL);
+ timersub(&now,&p->last_escape,&diff);
+
+#if 0
+fprintf(stderr,"ie %d tl %d.%06d eb %d\n",
+ p->in_escape,diff.tv_sec,diff.tv_usec,p->escape_ptr);
+#endif
+
+if (!p->in_escape) return;
+
+
+ /*Time up?*/
+ if (diff.tv_sec || (diff.tv_usec > ANSI_ESCAPE_TIMEOUT))
+ ansi_flush_escape(a,v);
+
+}
+
void ansi_parse_char(ANSI *a,int c,VT102 *v)
{
-vt102_send(v,c);
+ANSI_Parser *p=&a->parser;
+
+
+/*See if it's time to flush the escape*/
+ansi_check_escape(a,v);
+
+if (c==033) {
+ if (p->in_escape)
+ ansi_flush_escape(a,v);
+
+ p->in_escape++;
+ p->escape_ptr=0;
+ gettimeofday(&p->last_escape,NULL);
+}
+
+if (p->in_escape) {
+ p->escape_buf[p->escape_ptr++]=c;
+ ansi_parse_escape(a,v);
+} else {
+ vt102_send(v,c);
+}
+
}
void ansi_parse(ANSI *a,char *buf,int len,VT102 *v)
char buf[1024];
int red;
-red=read(a.fd,buf,sizeof(buf));
-if (red<0) return -1;
-if (!red) return -1;
+ansi_check_escape(a,v);
+
+
+red=ansi_read(a,buf,sizeof(buf));
+if (red<=0) return red;
+
+if (*buf==3) return -1;
ansi_parse(a,buf,red,v);
return 0;
}
-int
/*
* $Log$
+ * Revision 1.3 2008/02/07 00:39:13 james
+ * *** empty log message ***
+ *
* Revision 1.2 2008/02/06 11:30:37 james
* *** empty log message ***
*
#define ANSI_INVAL -1
+#define ANSI_ESCAPE_BUF_LEN 10
+#define ANSI_ESCAPE_TIMEOUT 100000 /*in ms*/
+
+typedef struct {
+int in_escape;
+struct timeval last_escape;
+char escape_buf[ANSI_ESCAPE_BUF_LEN];
+int escape_ptr;
+} ANSI_Parser;
+
typedef struct
{
int fd;
CRT_Pos pos;
CRT_Pos size;
int hide_cursor;
-
int attr;
+ ANSI_Parser parser;
} ANSI;
-#define KEY_UP 128 /*A*/
-#define KEY_DOWN 129 /*B*/
-#define KEY_RIGHT 130 /*C*/
-#define KEY_LEFT 131 /*D*/
-#define KEY_MIDDLE 132 /*E*/
-#define KEY_END 133 /*F*/
-#define KEY_134 134 /*G*/
-#define KEY_HOME 135 /*H*/
-#define KEY_136 136 /*I*/
-#define KEY_137 137 /*J*/
-#define KEY_138 138 /*K*/
-#define KEY_139 139 /*L*/
-#define KEY_ENTER 140 /*M*/
-#define KEY_141 141 /*N*/
-#define KEY_142 142 /*O*/
-#define KEY_PF1 143 /*P*/
-#define KEY_PF2 144 /*Q*/
-#define KEY_PF3 145 /*R*/
-#define KEY_PF4 146 /*S*/
-#define KEY_147 147 /*T*/
-#define KEY_148 148 /*U*/
-#define KEY_149 149 /*V*/
-#define KEY_150 150 /*W*/
-#define KEY_151 151 /*X*/
-#define KEY_152 152 /*Y*/
-#define KEY_153 153 /*Z*/
-
-#define KEY_154 154 /*a*/
-#define KEY_155 155 /*b*/
-#define KEY_156 156 /*c*/
-#define KEY_157 157 /*d*/
-#define KEY_158 158 /*e*/
-#define KEY_159 159 /*f*/
-#define KEY_160 160 /*g*/
-#define KEY_161 161 /*h*/
-#define KEY_162 162 /*i*/
-#define KEY_STAR 163 /*j*/
-#define KEY_PLUS 164 /*k*/
-#define KEY_COMMA 165 /*l*/
-#define KEY_MINUS 166 /*m*/
-#define KEY_PERIOD 167 /*n*/
-#define KEY_DIVIDE 168 /*o*/
-#define KEY_0 169 /*p*/
-#define KEY_1 170 /*q*/
-#define KEY_2 171 /*r*/
-#define KEY_3 172 /*s*/
-#define KEY_4 173 /*t*/
-#define KEY_5 174 /*u*/
-#define KEY_6 175 /*v*/
-#define KEY_7 176 /*w*/
-#define KEY_8 177 /*x*/
-#define KEY_9 178 /*y*/
-#define KEY_179 179 /*z*/
-
-#define KEY_180 180 /*0*/
-#define KEY_181 181 /*1*/
-#define KEY_INSERT 182 /*2*/
-#define KEY_DELETE 183 /*3*/
-#define KEY_184 184 /*4*/
-#define KEY_PGUP 185 /*5*/
-#define KEY_PGDN 186 /*6*/
-#define KEY_187 187 /*7*/
-#define KEY_188 188 /*8*/
-#define KEY_189 189 /*9*/
-
-#define KEY_NUM 190
-
+#define KEY_UP 128 /*A*/
+#define KEY_DOWN 129 /*B*/
+#define KEY_RIGHT 130 /*C*/
+#define KEY_LEFT 131 /*D*/
+#define KEY_MIDDLE 132 /*E*/
+#define KEY_END 133 /*F*/
+#define KEY_134 134 /*G*/
+#define KEY_HOME 135 /*H*/
+#define KEY_136 136 /*I*/
+#define KEY_137 137 /*J*/
+#define KEY_138 138 /*K*/
+#define KEY_139 139 /*L*/
+#define KEY_ENTER 140 /*M*/
+#define KEY_141 141 /*N*/
+#define KEY_142 142 /*O*/
+#define KEY_PF1 143 /*P*/
+#define KEY_PF2 144 /*Q*/
+#define KEY_PF3 145 /*R*/
+#define KEY_PF4 146 /*S*/
+#define KEY_147 147 /*T*/
+#define KEY_148 148 /*U*/
+#define KEY_149 149 /*V*/
+#define KEY_150 150 /*W*/
+#define KEY_151 151 /*X*/
+#define KEY_152 152 /*Y*/
+#define KEY_153 153 /*Z*/
+#define KEY_154 154 /*a */
+#define KEY_155 155 /*b */
+#define KEY_156 156 /*c */
+#define KEY_157 157 /*d */
+#define KEY_158 158 /*e */
+#define KEY_159 159 /*f */
+#define KEY_160 160 /*g */
+#define KEY_161 161 /*h */
+#define KEY_162 162 /*i */
+#define KEY_STAR 163 /*j */
+#define KEY_PLUS 164 /*k */
+#define KEY_COMMA 165 /*l */
+#define KEY_MINUS 166 /*m */
+#define KEY_PERIOD 167 /*n */
+#define KEY_DIVIDE 168 /*o */
+#define KEY_0 169 /*p */
+#define KEY_1 170 /*q */
+#define KEY_2 171 /*r */
+#define KEY_3 172 /*s */
+#define KEY_4 173 /*t */
+#define KEY_5 174 /*u */
+#define KEY_6 175 /*v */
+#define KEY_7 176 /*w */
+#define KEY_8 177 /*x */
+#define KEY_9 178 /*y */
+#define KEY_179 179 /*z */
+#define KEY_180 180 /*0 */
+#define KEY_181 181 /*1 */
+#define KEY_INSERT 182 /*2 */
+#define KEY_DELETE 183 /*3 */
+#define KEY_184 184 /*4 */
+#define KEY_PGUP 185 /*5 */
+#define KEY_PGDN 186 /*6 */
+#define KEY_187 187 /*7 */
+#define KEY_188 188 /*8 */
+#define KEY_189 189 /*9 */
+#define KEY_NUM 190
/*
* $Log$
+ * Revision 1.7 2008/02/07 00:39:13 james
+ * *** empty log message ***
+ *
* Revision 1.6 2008/02/06 20:26:58 james
* *** empty log message ***
*
fd_set rfd;
int fd;
char c;
- TTY *y;
+ TTY *t;
VT102 *v;
FD_SET (t->fd, &rfd);
FD_SET (a.fd, &rfd);
- if (select (t->fd + 1, &rfd, NULL, NULL, &tv) < 0)
- continue;
+ select (t->fd + 1, &rfd, NULL, NULL, &tv);
+#if 0
if (FD_ISSET (a.fd, &rfd))
{
- if (ansi_dispatch(&a,v)) break;
}
+#endif
+ if (ansi_dispatch(&a,v))
+ break;
if (FD_ISSET (t->fd, &rfd)) {
if (vt102_dispatch (v)) break;
had_winch = 0;
ansi_getsize (&a);
ansi_reset (&a);
- ansi_draw (&a, &v.crt);
+ ansi_draw (&a, &v->crt);
}
+ ansi_draw (&a, &v->crt);
}
tcsetattr (0, TCSANOW, &old);
printf ("QUAT\n");
int vt102_dispatch(VT102 *v);
VT102 *vt102_new(TTY *t);
void vt102_free(VT102 *v);
+/* tty.c */
+TTY *tty_new_test(void);
+int tty_read(TTY *t, void *buf, int len);
+int tty_write(TTY *t, void *buf, int len);
+void tty_free(TTY *t);
/*
* $Log$
+ * Revision 1.14 2008/02/07 00:40:23 james
+ * *** empty log message ***
+ *
* Revision 1.13 2008/02/07 00:39:59 james
* *** empty log message ***
*
case VT102_PRIVATE_MODE_CURSOR_MODE:
if (v->application_keypad_mode)
v->private_modes[m] = 0;
+#if 0
fprintf (stderr, "APPLICATION CURSOR MODE %d\n",
v->private_modes[m]);
+#endif
break;
case VT102_PRIVATE_MODE_ORIGIN_MODE:
vt102_cursor_home (v);
~ianmdlvl / sympathy.git / commitdiff