trace-graph: Add popup menu to remove plot

Add a way to remove a plot.

Todo:

   Add warning to remove plot

   Add ways to get back CPU plots

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

2 files changed, 33 insertions, 0 deletions

diff --git a/trace-graph.c b/trace-graph.c
index dee08f4..f1dcf0c 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -430,6 +430,20 @@ plot_task_clicked (gpointer data)
         update_label_window(ginfo);
 }
 
+static void
+remove_plot_clicked (gpointer data)
+{
+        struct graph_info *ginfo = data;
+        int p = ginfo->plot_clicked;
+
+        if (p < 0)
+                return;
+
+        trace_graph_plot_remove(ginfo, p);
+        redraw_graph(ginfo);
+        update_label_window(ginfo);
+}
+
 static gboolean
 do_pop_up(GtkWidget *widget, GdkEventButton *event, gpointer data)
 {
@@ -440,6 +454,7 @@ do_pop_up(GtkWidget *widget, GdkEventButton *event, gpointer data)
         static GtkWidget *menu_filter_hide_task;
         static GtkWidget *menu_filter_clear_tasks;
         static GtkWidget *menu_plot_task;
+        static GtkWidget *menu_remove_plot;
         struct record *record = NULL;
         struct graph_plot *plot;
         const char *comm;
@@ -494,6 +509,14 @@ do_pop_up(GtkWidget *widget, GdkEventButton *event, gpointer data)
                                           G_CALLBACK (plot_task_clicked),
                                           data);
 
+                menu_remove_plot = gtk_menu_item_new_with_label("Remove Plot");
+                gtk_menu_shell_append(GTK_MENU_SHELL (menu), menu_remove_plot);
+                gtk_widget_show(menu_remove_plot);
+
+                g_signal_connect_swapped (G_OBJECT (menu_remove_plot), "activate",
+                                          G_CALLBACK (remove_plot_clicked),
+                                          data);
+
         }
 
         if (ginfo->filter_enabled)
@@ -516,15 +539,23 @@ do_pop_up(GtkWidget *widget, GdkEventButton *event, gpointer data)
 
         time =  convert_x_to_time(ginfo, x);
 
+        ginfo->plot_clicked = -1;
+
         for (i = 0; i < ginfo->plots; i++) {
                 if (y >= (PLOT_TOP(i) - PLOT_GIVE) &&
                     y <= (PLOT_BOTTOM(i) + PLOT_GIVE)) {
                         plot = ginfo->plot_array[i];
                         record = trace_graph_plot_find_record(ginfo, plot, time);
+                        ginfo->plot_clicked = i;
                         break;
                 }
         }
 
+        if (ginfo->plot_clicked < 0)
+                gtk_widget_set_sensitive(menu_remove_plot, FALSE);
+        else
+                gtk_widget_set_sensitive(menu_remove_plot, TRUE);
+
         if (record) {
 
                 if (!trace_graph_check_sched_switch(ginfo, record, &pid, &comm)) {
diff --git a/trace-graph.h b/trace-graph.h
index a2f3183..88680b9 100644
--- a/trace-graph.h
+++ b/trace-graph.h
@@ -119,6 +119,8 @@ struct graph_info {
         gint                    last_x;         /* last x seen while moving mouse */
         gboolean                line_active;    /* set when button is pressed */
 
+        gint                    plot_clicked;   /* plot that was clicked on */
+
         gdouble                 hadj_value;     /* value to set hadj width */
         gdouble                 hadj_page_size; /* visible size to set hadj */