1 files changed, 6 insertions, 2 deletions

diff --git a/trace-graph.c b/trace-graph.c
index d880f39..da3162c 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -579,6 +579,8 @@ static void zoom_in_window(struct graph_info *ginfo, gint start, gint end)
                 printf("no adjustment\n");
 
         ginfo->draw_width = new_width;
+        printf("zoom in draw_width=%d full_width=%d\n",
+               ginfo->draw_width, ginfo->full_width);
 
         if (ginfo->draw_width > MAX_WIDTH) {
                 gint new_start;
@@ -1085,6 +1087,8 @@ static void draw_info(struct graph_info *ginfo,
         ginfo->resolution = (gdouble)new_width / (gdouble)(ginfo->view_end_time -
                                                            ginfo->view_start_time);
 
+        ginfo->full_width = (ginfo->end_time - ginfo->start_time) * ginfo->resolution;
+
         draw_timeline(ginfo, new_width);
 
         
@@ -1106,7 +1110,7 @@ void trace_graph_select_by_time(struct graph_info *ginfo, guint64 time)
         guint64 old_start_time = ginfo->view_start_time;
 
         view_width = gtk_adjustment_get_page_size(ginfo->vadj);
-        width = ginfo->draw_width ? : view_width;
+        width = ginfo->draw_width ? : ginfo->full_width;
 
         mid = (time - ginfo->start_time) * ginfo->resolution;
         start = mid - width / 2;
@@ -1120,8 +1124,8 @@ void trace_graph_select_by_time(struct graph_info *ginfo, guint64 time)
 
         if (end > ginfo->full_width) {
                 start -= end - ginfo->full_width;
-                end = ginfo->full_width;
                 g_assert(start >= 0);
+                end = ginfo->full_width;
         }
 
         ginfo->start_x = start;