From 115e935f72b58e72598c7fccf17364d6cd2fa5a1 Mon Sep 17 00:00:00 2001
From: runge <runge>
Date: Tue, 11 Sep 2007 20:15:38 +0000
Subject: x11vnc: fix wireframe crash under -clip.  Add -redirect for          
 VNC redir.  -rawfb nullbig, randbig, solid, swirl, etc.           FD_XDM mode
 to find_display.  -listdpy.  Add enlightenment.           Xvnc.redirect
 FINDDISPLAY-vnc_redirect. -xvnc, -xvnc_redirect,           -svc_xvnc.
 AUTO_PORT.

---
 x11vnc/cursor.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'x11vnc/cursor.c')

diff --git a/x11vnc/cursor.c b/x11vnc/cursor.c
index ed83497..d7f500c 100644
--- a/x11vnc/cursor.c
+++ b/x11vnc/cursor.c
@@ -1790,6 +1790,13 @@ void cursor_position(int x, int y) {
 		y = nfix(y, scaled_y);
 	}
 
+	if (clipshift) {
+		if (x < 0) x = 0;
+		if (y < 0) y = 0;
+		if (x >= dpy_x) x = dpy_x-1;
+		if (y >= dpy_y) y = dpy_y-1;
+	}
+
 	if (x == screen->cursorX && y == screen->cursorY) {
 		return;
 	}
@@ -1940,6 +1947,18 @@ if (0) fprintf(stderr, "check_x11_pointer %d %d\n", root_x, root_y);
 	x = root_x - off_x - coff_x;
 	y = root_y - off_y - coff_y;
 
+	if (clipshift) {
+		static int cnt = 0;
+		if (x < 0 || y < 0 || x >= dpy_x || y >= dpy_y)  {
+			if (cnt++ % 4 != 0) {
+				if (debug_pointer) {
+					rfbLog("Skipping cursor_position() outside our clipshift\n");
+				}
+				return 0;
+			}
+		}
+	}
+
 	/* record the cursor position in the rfb screen */
 	cursor_position(x, y);
 
-- 
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