[BRLTTY] (BRLTTY) screen patched
Raoul
rmgls at free.fr
Tue Sep 16 11:03:08 EDT 2014
On 16 Sep 2014, at 15:15, Dave Mielke <dave at mielke.cc> wrote:
> [quoted lines by Raoul on 2014/09/16 at 11:33 +0200]
>
>> patch-to-screen-4.2.1 apply correctly on freebsd.
>
> It'd sdeem, then, that the patch is probably platform-independent. Could you
> please send it to me for addition to brltty's Patches/ subdirectory?
>
OK Dave, i sent it already, but does not matter:
here is again.
--- extern.h.org 2014-09-15 21:02:12.000000000 +0200
+++ extern.h 2014-09-15 21:11:27.000000000 +0200
@@ -33,12 +33,19 @@
#endif
/* screen.c */
+
+extern void SetWinImage __P((const char *, unsigned char *));
+extern void CopyWinImage __P((struct win *, unsigned char *));
+extern int IsInputLayer __P((struct layer *));
+extern int GetInputPosition __P((struct layer *));
+extern void CopyInputLine __P((struct layer *, char *, int));
extern int main __P((int, char **));
extern sigret_t SigHup __P(SIGPROTOARG);
extern void eexit __P((int)) __attribute__((__noreturn__));
extern void Detach __P((int));
extern void Hangup __P((void));
extern void Kill __P((int, int));
+
#ifdef USEVARARGS
extern void Msg __P((int, const char *, ...)) __attribute__((format(printf, 2, 3)));
extern void Panic __P((int, const char *, ...)) __attribute__((format(printf, 2, 3))) __attribute__((__noreturn__));
--- screen.c.org 2014-09-15 21:04:33.000000000 +0200
+++ screen.c 2014-09-15 22:20:51.000000000 +0200
@@ -52,6 +52,11 @@
# include <sys/ioctl.h>
#endif
+/* export ipc image */
+#include <sys/ipc.h>
+#include <sys/shm.h>
+unsigned char *shm;
+/* end export ipc image */
#ifndef SIGINT
# include <signal.h>
#endif
@@ -489,6 +494,40 @@
#ifdef HAVE_BRAILLE
InitBraille();
#endif
+
+/* export ipc image */
+ {
+ const char *path;
+ key_t key;
+ int shmid;
+
+ /* allow for the header, text, attributes, and auxiliary data
+ * (assuming no screen will be bigger than 132x66)
+ */
+ size_t size = 18000; /* */
+
+ path = getenv("HOME");
+ if (!path || !*path) path = "/";
+ if ((key = ftok(path, 'b')) == -1) key = 0XBACD072F;
+
+ shmid = shmget( key, size, IPC_CREAT | S_IRWXU );
+ if( shmid < 0 )
+ {
+ Panic( errno, "shmget" );
+ /* NOTREACHED */
+ }
+
+ shm = shmat( shmid, 0, 0);
+ if ( shm == (void*)-1 )
+ {
+ Panic( errno, "shmat" );
+ /* NOTREACHED */
+ }
+
+ /* put valid data into the image */
+ SetWinImage( "screen is initializing...", shm );
+ }
+/* end export ipc image */
#ifdef ZMODEM
zmodem_sendcmd = SaveStr("!!! sz -vv -b ");
zmodem_recvcmd = SaveStr("!!! rz -vv -b -E");
--- sched.c.org 2014-09-15 21:04:07.000000000 +0200
+++ sched.c 2014-09-15 22:54:07.000000000 +0200
@@ -115,6 +115,12 @@
return min;
}
+/* export ipc image */
+#include <sys/shm.h>
+unsigned char *shm;
+extern struct win *windows;
+/* end export ipc image */
+
void
sched()
{
@@ -126,6 +132,9 @@
for (;;)
{
+/* export image from last used window which is on top of the list */
+ CopyWinImage( windows, shm );
+/* end export ipc image */
if (calctimeout)
timeoutev = calctimo();
if (timeoutev)
--- window.c.org 2014-09-15 21:05:18.000000000 +0200
+++ window.c 2014-09-15 22:33:15.000000000 +0200
@@ -2082,6 +2082,134 @@
}
}
+/* export ipc image */
+void
+SetWinImage( msg, dest )
+const char *msg;
+unsigned char *dest;
+{
+ unsigned char *d = dest;
+
+ *d++ = 80; /* screen width */
+ *d++ = 1; /* screen height */
+ *d++ = 0; /* cursor column */
+ *d++ = 0; /* cursor row */
+
+ {
+ size_t count = dest[0] * dest[1];
+
+ memset( d, ' ', count );
+ strcpy( d, msg );
+ d[strlen(d)] = ' ';
+ d += count;
+
+ memset( d, 0X07, count );
+ d += count;
+ }
+
+ *d++ = 0; /* window number */
+ *d++ = 0; /* flags */
+}
+
+
+void
+CopyWinImage( p, dest )
+struct win *p;
+unsigned char *dest;
+{
+ register unsigned char *s, *d = dest, *m;
+ register int x, y;
+ struct display *display = p->w_lastdisp;
+ int st = (display && D_status) ? 1 : 0;
+ int in = IsInputLayer(p->w_savelayer) ? 1 : 0;
+
+ if( p && p->w_mlines )
+ {
+ *d++ = p->w_width; /* screen width */
+ *d++ = p->w_height + (st | in); /* screen height */
+ *d++ = st? D_status_len: /* cursor column */
+ in? GetInputPosition(p->w_savelayer):
+ p->w_x;
+ *d++ = (st || in)? p->w_height: p->w_y; /* cursor row */
+
+ /* copy window image to buffer */
+ for( y = 0; y < p->w_height; y++ )
+ {
+ s = p->w_mlines[y].image;
+ x = p->w_width;
+ for( ; x; *d++ = *s++, x-- );
+ }
+
+ /* copy status line to buffer */
+ if( st )
+ {
+ s = D_status_lastmsg;
+ x = p->w_width;
+ for( ; *s && x; *d++ = *s++, x-- );
+ for( ; x; *d++ = ' ', x-- );
+ }
+ else if (in)
+ {
+ CopyInputLine(p->w_savelayer, d, p->w_width);
+ d += p->w_width;
+ }
+
+ /* copy attributes from window image to buffer */
+#ifdef COLOR
+ for( y = 0; y < p->w_height; y++ )
+ {
+ struct mline *ml = &p->w_mlines[y];
+ x = 0;
+ for( ; x<p->w_width; x++ )
+ {
+ static const unsigned char tr[] =
+ {
+ 0X0, 0X4, 0X2, 0X6, 0X1, 0X5, 0X3, 0X7,
+ 0X8, 0XC, 0XA, 0XE, 0X9, 0XD, 0XB, 0XF
+ };
+
+ struct mchar mc;
+ int fg;
+ int bg;
+
+ copy_mline2mchar( &mc, ml, x );
+ fg = rend_getfg(&mc);
+ bg = rend_getbg(&mc);
+
+ fg = fg? tr[coli2e(fg) & 0XF]: 0X7;
+ bg = bg? tr[coli2e(bg) & 0XF]: 0X0;
+ *d++ = fg | (bg << 4);
+ }
+ }
+
+ if( st || in )
+ {
+ memset(d, (st ? 0X70 : 0X07), p->w_width);
+ d += p->w_width;
+ }
+#else /* COLOR */
+ {
+ int count = dest[0] * dest[1];
+ memset(d, 0X07, count);
+ d += count;
+ }
+#endif /* COLOR */
+
+ *d++ = p->w_number; /* window number */
+
+ *d = 0; /* flags */
+ if (p->w_cursorkeys) *d |= 0X01; /* cursor keys are in application mode */
+ if (p->w_keypad) *d |= 0X02; /* keypad is in application mode */
+ d++;
+ }
+ else
+ {
+ /* no window pointer */
+ SetWinImage( "no active scren", dest );
+ }
+}
+/* end export ipc image */
+
static void
win_destroyev_fn(ev, data)
struct event *ev;
--- input.c.org 2014-09-15 21:03:06.000000000 +0200
+++ input.c 2014-09-15 23:09:43.000000000 +0200
@@ -525,4 +525,49 @@
q += l;
}
}
+/* add export ipc shared image */
+int
+IsInputLayer(l)
+struct layer *l;
+{
+ return l->l_layfn == &InpLf;
+}
+
+int
+GetInputPosition(l)
+struct layer *l;
+{
+ struct inpdata *inpdata = (struct inpdata *)l->l_data;
+ return inpdata->inpstringlen + inpdata->inp.pos;
+}
+
+void
+CopyInputLine(l, dest, width)
+struct layer *l;
+char *dest;
+int width;
+{
+ struct inpdata *inpdata = (struct inpdata *)l->l_data;
+ char *src;
+ int len;
+
+ for
+ (
+ src = inpdata->inpstring, len = inpdata->inpstringlen;
+ width && len;
+ *dest++ = *src++, len--, width--
+ );
+
+ if( !(inpdata->inpmode & INP_NOECHO) )
+ {
+ for
+ (
+ src = inpdata->inp.buf, len = inpdata->inp.len;
+ width && len;
+ *dest++ = *src++, len--, width--
+ );
+ }
+
+ while( width ) *dest++ = ' ', width--;
+}
> --
> Dave Mielke | 2213 Fox Crescent | The Bible is the very Word of God.
> Phone: 1-613-726-0014 | Ottawa, Ontario | http://Mielke.cc/bible/
> EMail: dave at mielke.cc | Canada K2A 1H7 | http://FamilyRadio.com/
> _______________________________________________
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