From bd69669e1dbd7e6419b7a4da38a45734f40ec52d Mon Sep 17 00:00:00 2001
From: Kovarththanan Rajaratnam <kovarththanan.rajaratnam@gmail.com>
Date: Thu, 3 Sep 2009 14:32:11 +0000
Subject: [PATCH] Make sure that we stop auto scroll if we start scrolling
 manually.

Caveat: we jump to first frame when auto scroll is stopped

svn path=/trunk/; revision=29685
---
 file.c                |  2 ++
 gtk/new_packet_list.c | 23 ++++++++++++++++++++++-
 ui_util.h             |  1 +
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/file.c b/file.c
index 5a90bbea9b..ceb3390b13 100644
--- a/file.c
+++ b/file.c
@@ -753,6 +753,7 @@ cf_continue_tail(capture_file *cf, volatile int to_read, int *err)
   *err = 0;
 
 #ifdef NEW_PACKET_LIST
+  new_packet_list_check_end();
   new_packet_list_freeze();
 #else
   packet_list_check_end();
@@ -882,6 +883,7 @@ cf_finish_tail(capture_file *cf, int *err)
   }
 
 #ifdef NEW_PACKET_LIST
+  new_packet_list_check_end();
   new_packet_list_freeze();
 #else
   packet_list_check_end();
diff --git a/gtk/new_packet_list.c b/gtk/new_packet_list.c
index 43eb8c3e5e..15a1f7ca66 100644
--- a/gtk/new_packet_list.c
+++ b/gtk/new_packet_list.c
@@ -63,7 +63,7 @@
 #include "gtk/main_statusbar.h"
 
 static PacketList *packetlist;
-
+static gboolean last_at_end = FALSE;
 static gboolean enable_color;
 
 static GtkWidget *create_view_and_model(void);
@@ -414,6 +414,27 @@ new_packet_list_moveto_end(void)
 	gtk_tree_path_free(path);
 }
 
+gboolean
+new_packet_list_check_end(void)
+{
+	gboolean at_end = FALSE;
+	GtkAdjustment *adj;
+
+	adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(packetlist->view));
+	g_return_val_if_fail(adj != NULL, FALSE);
+
+	if (adj->value >= adj->upper - adj->page_size) {
+		at_end = TRUE;
+	}
+#ifdef HAVE_LIBPCAP
+	if (adj->value > 0 && at_end != last_at_end && at_end != auto_scroll_live) {
+		menu_auto_scroll_live_changed(at_end);
+	}
+#endif
+	last_at_end = at_end;
+	return at_end;
+}
+
 gint
 new_packet_list_find_row_from_data(gpointer data, gboolean select)
 {
diff --git a/ui_util.h b/ui_util.h
index 07bc47facc..b2f4955cb2 100644
--- a/ui_util.h
+++ b/ui_util.h
@@ -74,6 +74,7 @@ void new_packet_list_queue_draw(void);
 void new_packet_list_select_first_row(void);
 void new_packet_list_select_last_row(void);
 void new_packet_list_moveto_end(void);
+gboolean new_packet_list_check_end(void);
 gint new_packet_list_find_row_from_data(gpointer data, gboolean select);
 #else
 /* packet list related functions */