x11vnc: -clip xineramaN option, -DIGNORE_GETSPNAM for HP-UX.

Print info on SSH_CONNECTION override.

x11vnc/ChangeLog

@@ -1,3 +1,7 @@
+2008-06-07  Karl Runge <runge@karlrunge.com>
+	* x11vnc: -clip xineramaN option, -DIGNORE_GETSPNAM for HP-UX.
+	  Print info on SSH_CONNECTION override.
+
 2008-05-31  Karl Runge <runge@karlrunge.com>
 	* x11vnc: Improvements to nonstandard indexed color support, e.g.
 	  depths 1, 4, 12, etc. instead of only 8.  Only enable xinerama

x11vnc/help.c

@@ -128,6 +128,13 @@ void print_help(int mode) {
 "                       into two parts to be accessed via separate viewers by\n"
 "                       running a separate x11vnc on each part.\n"
 "\n"
+"                       Use '-clip xinerama0' to clip to the first xinerama\n"
+"                       sub-screen (if xinerama is active).  xinerama1 for the\n"
+"                       2nd sub-screen, etc.  This way you don't need to figure\n"
+"                       out the WxH+X+Y of the desired xinerama sub-screen.\n"
+"                       screens are sorted in increasing distance from the\n"
+"                       (0,0) origin (I.e. not the Xserver's order).\n"
+"\n"
 "-flashcmap             In 8bpp indexed color, let the installed colormap flash\n"
 "                       as the pointer moves from window to window (slow).\n"
 "                       Also try the -8to24 option to avoid flash altogether.\n"

x11vnc/unixpw.c

@@ -25,6 +25,11 @@ extern char *crypt(const char*, const char *);
 #endif
 #endif
 
+#ifdef IGNORE_GETSPNAM
+#undef LIBVNCSERVER_HAVE_GETSPNAM
+#define LIBVNCSERVER_HAVE_GETSPNAM 0
+#endif
+
 #if LIBVNCSERVER_HAVE_PWD_H && LIBVNCSERVER_HAVE_GETPWNAM
 #if LIBVNCSERVER_HAVE_CRYPT || LIBVNCSERVER_HAVE_LIBCRYPT
 #define UNIXPW_CRYPT

x11vnc/x11vnc.1

@@ -2,7 +2,7 @@
 .TH X11VNC "1" "June 2008" "x11vnc " "User Commands"
 .SH NAME
 x11vnc - allow VNC connections to real X11 displays
-         version: 0.9.4, lastmod: 2008-06-01
+         version: 0.9.4, lastmod: 2008-06-06
 .SH SYNOPSIS
 .B x11vnc
 [OPTION]...
@@ -139,6 +139,13 @@ corner of the selected window.  An example use of this
 option would be to split a large (e.g. Xinerama) display
 into two parts to be accessed via separate viewers by
 running a separate x11vnc on each part.
+.IP
+Use '-clip xinerama0' to clip to the first xinerama
+sub-screen (if xinerama is active).  xinerama1 for the
+2nd sub-screen, etc.  This way you don't need to figure
+out the WxH+X+Y of the desired xinerama sub-screen.
+screens are sorted in increasing distance from the
+(0,0) origin (I.e. not the Xserver's order).
 .PP
 \fB-flashcmap\fR
 .IP

x11vnc/x11vnc.c

@@ -3857,11 +3857,14 @@ int main(int argc, char* argv[]) {
 				if (! s) s = "SSH_CONNECTION";
 				fprintf(stderr, "\n");
 				rfbLog("Skipping -ssl/-stunnel constraint in"
-				    " -unixpw\n");
-				rfbLog("mode, assuming your SSH encryption"
-				    " is: %s\n", s);
+				    " -unixpw mode,\n");
+				rfbLog("assuming your SSH encryption"
+				    " is:\n");
+				rfbLog("   %s\n", s);
 				rfbLog("Setting -localhost in SSH + -unixpw"
 				    " mode.\n");
+				rfbLog("If you *actually* want SSL, restart"
+				    " with -ssl on the cmdline\n");
 				fprintf(stderr, "\n");
 				allow_list = strdup("127.0.0.1");
 				got_localhost = 1;
@@ -4229,6 +4232,9 @@ if (0) fprintf(stderr, "XA: %s\n", getenv("XAUTHORITY"));
 		if (! quiet) rfbLog("Using default X display.\n");
 	}
 
+	if (clip_str != NULL && dpy != NULL) {
+		check_xinerama_clip();
+	}
 
 	scr = DefaultScreen(dpy);
 	rootwin = RootWindow(dpy, scr);

x11vnc/x11vnc_defs.c

@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0;
 int xdamage_base_event_type = 0;
 
 /*               date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.9.4 lastmod: 2008-06-01";
+char lastmod[] = "0.9.4 lastmod: 2008-06-06";
 
 /* X display info */
 

x11vnc/xinerama.c

@@ -227,6 +227,76 @@ static void blackout_tiles(void) {
 	}
 }
 
+static int did_xinerama_clip = 0;
+
+void check_xinerama_clip(void) {
+#if LIBVNCSERVER_HAVE_LIBXINERAMA
+	int n, k, i, ev, er, juse = -1;
+	int score[32], is = 0;
+	XineramaScreenInfo *x;
+
+	if (!clip_str || !dpy) {
+		return;
+	}
+	if (sscanf(clip_str, "xinerama%d", &k) == 1) {
+		;
+	} else if (sscanf(clip_str, "screen%d", &k) == 1) {
+		;
+	} else {
+		return;
+	}
+
+	free(clip_str);
+	clip_str = NULL;
+
+	if (! XineramaQueryExtension(dpy, &ev, &er)) {
+		return;
+	}
+	if (! XineramaIsActive(dpy)) {
+		return;
+	}
+	x = XineramaQueryScreens(dpy, &n);
+	if (k < 0 || k >= n) {
+		XFree_wr(x);
+		return;
+	}
+	for (i=0; i < n; i++) {
+		score[is++] = nabs(x[i].x_org) + nabs(x[i].y_org);
+		if (is >= 32) {
+			break;
+		}
+	}
+	for (i=0; i <= k; i++) {
+		int j, jmon, mon = -1, mox = -1;
+		for (j=0; j < is; j++) {
+			if (mon < 0 || score[j] < mon) {
+				mon = score[j];
+				jmon = j;
+			}
+			if (mox < 0 || score[j] > mox) {
+				mox = score[j];
+			}
+		}
+		juse = jmon;
+		score[juse] = mox+1+i;
+	}
+
+	if (juse >= 0 && juse < n) {
+		char str[64];
+		sprintf(str, "%dx%d+%d+%d", x[juse].width, x[juse].height,
+		    x[juse].x_org, x[juse].y_org);
+		clip_str = strdup(str);
+		did_xinerama_clip = 1;
+	} else {
+		clip_str = strdup("");
+	}
+	XFree_wr(x);
+	if (!quiet) {
+		rfbLog("set -clip to '%s' for xinerama%d\n", clip_str, k);
+	}
+#endif
+}
+
 static void initialize_xinerama (void) {
 #if !LIBVNCSERVER_HAVE_LIBXINERAMA
 	rfbLog("Xinerama: Library libXinerama is not available to determine\n");
@@ -305,6 +375,7 @@ static void initialize_xinerama (void) {
 	}
 	XFree_wr(xineramas);
 
+
 	if (sraRgnEmpty(black_region)) {
 		rfbLog("Xinerama: no blackouts needed (screen fills"
 		    " rectangle)\n");
@@ -312,6 +383,10 @@ static void initialize_xinerama (void) {
 		sraRgnDestroy(black_region);
 		return;
 	}
+	if (did_xinerama_clip) {
+		rfbLog("Xinerama: no blackouts due to -clip xinerama.\n");
+		return;
+	}
 
 	/* max len is 10000x10000+10000+10000 (23 chars) per geometry */
 	rcnt = (int) sraRgnCountRects(black_region);