Fix windows url bar

Clean up toolbar and urlbar creation and subclassing 

svn path=/trunk/netsurf/; revision=10891

1 files changed, 28 insertions, 0 deletions

diff --git a/utils/utils.c b/utils/utils.c
index c82bc2c74..9561521cb 100644
--- a/utils/utils.c
+++ b/utils/utils.c
@@ -283,6 +283,34 @@ unsigned int wallclock(void)
 	return ((tv.tv_sec * 100) + (tv.tv_usec / 10000));
 }
 
+/* Subtract the `struct timeval' values X and Y,
+   storing the result in RESULT.
+   Return 1 if the difference is negative, otherwise 0.  
+*/
+
+int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)
+{
+	/* Perform the carry for the later subtraction by updating y. */
+	if (x->tv_usec < y->tv_usec) {
+		int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
+		y->tv_usec -= 1000000 * nsec;
+		y->tv_sec += nsec;
+	}
+	if (x->tv_usec - y->tv_usec > 1000000) {
+		int nsec = (x->tv_usec - y->tv_usec) / 1000000;
+		y->tv_usec += 1000000 * nsec;
+		y->tv_sec -= nsec;
+	}
+
+	/* Compute the time remaining to wait.
+	   tv_usec is certainly positive. */
+	result->tv_sec = x->tv_sec - y->tv_sec;
+	result->tv_usec = x->tv_usec - y->tv_usec;
+
+	/* Return 1 if result is negative. */
+	return x->tv_sec < y->tv_sec;
+}
+
 #ifndef HAVE_STRCASESTR
 
 /**