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Add shm flavor, to use with brltty

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ok brad@
This commit is contained in:
espie 2003-11-22 00:56:58 +00:00
parent 1faebf6f10
commit e724bd1f82
9 changed files with 254 additions and 2 deletions
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7
misc/screen/Makefile
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@ -1,4 +1,4 @@
# $OpenBSD: Makefile,v 1.49 2003/10/19 03:59:27 brad Exp $
# $OpenBSD: Makefile,v 1.50 2003/11/22 00:56:58 espie Exp $
COMMENT= "multi-screen window manager"
@ -23,12 +23,15 @@ SUBST_VARS= VERSION
CONFIGURE_STYLE= gnu
CONFIGURE_ARGS= --with-sys-screenrc="${SYSCONFDIR}/screenrc"
FLAVORS= static
FLAVORS= static shm
FLAVOR?=
.if ${FLAVOR:L} == "static"
CONFIGURE_ENV= LDFLAGS="-static"
.endif
.if ${FLAVOR:L} == "shm"
PATCH_LIST= patch-* shmpatch-*
.endif
ALL_TARGET= screen screen.info

17
misc/screen/patches/shmpatch-Makefile_in Normal file
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@ -0,0 +1,17 @@
$OpenBSD: shmpatch-Makefile_in,v 1.1 2003/11/22 00:56:58 espie Exp $
--- Makefile.in.orig 2003-09-18 18:13:02.000000000 +0200
+++ Makefile.in 2003-11-17 23:37:54.000000000 +0100
@@ -46,7 +46,12 @@ AWK = @AWK@
# -DDUMPSHADOW
# With shadow-pw screen would never dump core. Use this option if
# you still want to have a core. Use only for debugging.
-OPTIONS=
+# -DIPC_EXPORT_IMAGE
+# Allows an other program to get the screen contetn through shared mem
+# and ipc. This is used e.g. for braille and speech software.
+
+OPTIONS=-DIPC_EXPORT_IMAGE
+#OPTIONS=
#OPTIONS= -DDEBUG
SHELL=/bin/sh

32
misc/screen/patches/shmpatch-configure_in Normal file
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@ -0,0 +1,32 @@
$OpenBSD: shmpatch-configure_in,v 1.1 2003/11/22 00:56:58 espie Exp $
--- configure.in.orig 2003-06-03 13:58:24.000000000 +0200
+++ configure.in 2003-11-17 23:37:54.000000000 +0100
@@ -1193,17 +1193,17 @@ main() {
exit(0); /* libc version works properly. */
}], AC_DEFINE(USEMEMCPY))
-AC_MSG_CHECKING(long file names)
-(echo 1 > /tmp/conftest9012345) 2>/dev/null
-(echo 2 > /tmp/conftest9012346) 2>/dev/null
-val=`cat /tmp/conftest9012345 2>/dev/null`
-if test -f /tmp/conftest9012345 && test "$val" = 1; then
-AC_MSG_RESULT(yes)
-else
-AC_MSG_RESULT(no)
-AC_DEFINE(NAME_MAX, 14)
-fi
-rm -f /tmp/conftest*
+#AC_MSG_CHECKING(long file names)
+#(echo 1 > /tmp/conftest9012345) 2>/dev/null
+#(echo 2 > /tmp/conftest9012346) 2>/dev/null
+#val=`cat /tmp/conftest9012345 2>/dev/null`
+#if test -f /tmp/conftest9012345 && test "$val" = 1; then
+#AC_MSG_RESULT(yes)
+#else
+#AC_MSG_RESULT(no)
+#AC_DEFINE(NAME_MAX, 14)
+#fi
+#rm -f /tmp/conftest*
AC_MSG_CHECKING(for vsprintf)
AC_TRY_LINK(,[vsprintf(0,0,0);], AC_MSG_RESULT(yes);AC_DEFINE(USEVARARGS), AC_MSG_RESULT(no))

15
misc/screen/patches/shmpatch-extern_h Normal file
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@ -0,0 +1,15 @@
$OpenBSD: shmpatch-extern_h,v 1.1 2003/11/22 00:56:58 espie Exp $
--- extern.h.orig 2003-08-22 14:27:57.000000000 +0200
+++ extern.h 2003-11-17 23:37:54.000000000 +0100
@@ -139,6 +139,11 @@ extern int winexec __P((char **));
extern void FreePseudowin __P((struct win *));
#endif
extern void nwin_compose __P((struct NewWindow *, struct NewWindow *, struct NewWindow *));
+
+#ifdef IPC_EXPORT_IMAGE
+extern void CopyWinImage __P((struct win *, char *));
+#endif
+
extern int DoStartLog __P((struct win *, char *, int));
extern int ReleaseAutoWritelock __P((struct display *, struct win *));
extern int ObtainAutoWritelock __P((struct display *, struct win *));

26
misc/screen/patches/shmpatch-sched_c Normal file
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@ -0,0 +1,26 @@
$OpenBSD: shmpatch-sched_c,v 1.1 2003/11/22 00:56:58 espie Exp $
--- sched.c.orig 2003-09-08 16:26:36.000000000 +0200
+++ sched.c 2003-11-17 23:37:54.000000000 +0100
@@ -110,6 +110,10 @@ calctimo()
return min;
}
+#ifdef IPC_EXPORT_IMAGE
+ extern struct window *windows;
+#endif
+
void
sched()
{
@@ -121,6 +125,11 @@ sched()
for (;;)
{
+#ifdef IPC_EXPORT_IMAGE
+ /* export image from last used window which is on top of the list */
+ CopyWinImage( windows, shm );
+#endif
+
if (calctimeout)
timeoutev = calctimo();
if (timeoutev)

81
misc/screen/patches/shmpatch-screen_c Normal file
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@ -0,0 +1,81 @@
$OpenBSD: shmpatch-screen_c,v 1.1 2003/11/22 00:56:58 espie Exp $
--- screen.c.orig 2003-09-08 16:26:41.000000000 +0200
+++ screen.c 2003-11-17 23:37:54.000000000 +0100
@@ -71,6 +71,14 @@
#if (defined(AUX) || defined(_AUX_SOURCE)) && defined(POSIX)
# include <compat.h>
#endif
+
+#ifdef IPC_EXPORT_IMAGE
+# include <sys/ipc.h>
+# include <sys/shm.h>
+#endif
+
+
+
#if defined(USE_LOCALE) || defined(ENCODINGS)
# include <locale.h>
#endif
@@ -78,6 +86,11 @@
# include <langinfo.h>
#endif
+#ifdef IPC_EXPORT_IMAGE
+# include <sys/ipc.h>
+# include <sys/shm.h>
+#endif
+
#include "screen.h"
#ifdef HAVE_BRAILLE
# include "braille.h"
@@ -234,6 +247,12 @@ struct win *console_window;
+
+#ifdef IPC_EXPORT_IMAGE
+char *shm; /* pointer to shared memory segment */
+#endif
+
+
/*
* Do this last
*/
@@ -461,6 +480,37 @@ char **av;
zmodem_recvcmd = SaveStr("!!! rz -vv -b -E");
#endif
+#ifdef IPC_EXPORT_IMAGE
+ {
+ key_t key = 0xBACD072F; /* random static IPC key */
+ int shmid;
+
+ /* Allocation of shared mem for 18000 bytes (screen text and attributes
+ * + few coord.). We supose no screen will be wider than 132x66.
+ * 0x1C0 = [rwx------].
+ */
+ shmid = shmget( key, 18000, IPC_CREAT | 0x1C0 );
+ if( shmid < 0 )
+ {
+ Panic( errno, "shmget" );
+ /* NOTRECHED */
+ }
+ shm = shmat( shmid, 0, 0);
+ if ( shm == (void*)-1 )
+ {
+ Panic( errno, "shmat" );
+ /* NOTRECHED */
+ }
+ /* minimal initialisation just to have valid data */
+ shm[0] = 80; /* scrdim x */
+ shm[1] = 1; /* scrdim y */
+ shm[2] = 0; /* csrpos x */
+ shm[3] = 0; /* csrpos y */
+ strcpy( shm+4, "screen is initializing..." );
+ memset( shm+4+strlen(shm+4), ' ', 80);
+ }
+#endif
+
#ifdef COPY_PASTE
CompileKeys((char *)0, 0, mark_key_tab);
#endif

14
misc/screen/patches/shmpatch-screen_h Normal file
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@ -0,0 +1,14 @@
$OpenBSD: shmpatch-screen_h,v 1.1 2003/11/22 00:56:58 espie Exp $
--- screen.h.orig 2003-08-22 14:28:43.000000000 +0200
+++ screen.h 2003-11-17 23:37:54.000000000 +0100
@@ -288,6 +288,10 @@ struct baud_values
int sym; /* symbol defined in ttydev.h */
};
+#ifdef IPC_EXPORT_IMAGE
+char *shm; /* pointer to shared memory segment */
+#endif
+
/*
* windowlist orders
*/

63
misc/screen/patches/shmpatch-window_c Normal file
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@ -0,0 +1,63 @@
$OpenBSD: shmpatch-window_c,v 1.1 2003/11/22 00:56:58 espie Exp $
--- window.c.orig 2003-09-08 16:27:21.000000000 +0200
+++ window.c 2003-11-17 23:37:54.000000000 +0100
@@ -1993,6 +1993,59 @@ char *data;
}
}
+
+#ifdef IPC_EXPORT_IMAGE
+
+void
+CopyWinImage( p, dest )
+struct win *p;
+char *dest;
+{
+ register char *s, *d = dest, *m;
+ register int x, y;
+ struct display *display = p->w_pdisplay;
+ int st = (display) ? D_status : 0;
+
+ if( p && p->w_mlines )
+ {
+ *d++ = p->w_width; /* scrdim x */
+ *d++ = p->w_height; /* scrdim y */
+ *d++ = (st) ? D_status_len : p->w_x; /* csrpos x */
+ *d++ = (st) ? STATLINE : p->w_y; /* csrpos y */
+ /* copy window image to buffer */
+ for( y = 0; y < p->w_height; y++ )
+ {
+ s = p->w_mlines[y].image;
+ x = p->w_width;
+ if( st && y == STATLINE )
+ for( m = D_status_lastmsg; *m && x; *d++ = *m++, s++, x-- );
+ for( ; x; *d++ = *s++, x-- );
+ }
+ /* copy attributes from window image to buffer */
+ for( y = 0; y < p->w_height; y++ )
+ {
+ s = p->w_mlines[y].attr;
+ x = p->w_width;
+ if( st && y == STATLINE )
+ for( ; x; *d++ = 0, s++, x-- );
+ for( ; x; *d++ = *s++, x-- );
+ }
+ }
+ else
+ {
+ /* no window pointer */
+ *d++ = 80; /* scrdim x */
+ *d++ = 1; /* scrdim y */
+ *d++ = 0; /* csrpos x */
+ *d++ = 0; /* csrpos y */
+ strcpy( d, "*** screen: no window pointer ***" );
+ memset( d+strlen(d), ' ', 80);
+ }
+}
+
+#endif /* IPC_EXPORT_IMAGE */
+
+
#ifdef ZMODEM
static int

1
misc/screen/pkg/DESCR
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@ -9,3 +9,4 @@ regions between windows.
Flavors:
static - Build with statically linked binaries.
shm - export screen as shared memory, useful for brltty.