trace-graph: Fix scrollbar when adding plots

When adding plots with the plot menu, the scroll bar did not
expand to let the new plots into the visible area.

Need to recalculate the height after a plot is added or removed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/trace-graph.c b/trace-graph.c
index 48a0e5a..033229e 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -480,7 +480,6 @@ plot_task_clicked (gpointer data)
 
         graph_plot_task(ginfo, ginfo->filter_task_selected, pos);
         ginfo->draw_height = PLOT_SPACE(ginfo->plots);
-        ginfo->draw_height = PLOT_SPACE(ginfo->plots);
         gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
         update_label_window(ginfo);
 }
@@ -2184,6 +2183,8 @@ static int load_handle(struct graph_info *ginfo,
 
 void trace_graph_refresh(struct graph_info *ginfo)
 {
+        ginfo->draw_height = PLOT_SPACE(ginfo->plots);
+        gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
         update_label_window(ginfo);
         redraw_graph(ginfo);
 }