gtk3: loadgraph/uber-graph: support multiple lines on the graph

Signed-off-by: Burt P <pburt0@gmail.com>

1 files changed, 38 insertions, 14 deletions

diff --git a/shell/loadgraph-uber.c b/shell/loadgraph-uber.c
index d05fc7ee..61964b37 100644
--- a/shell/loadgraph-uber.c
+++ b/shell/loadgraph-uber.c
@@ -8,9 +8,22 @@
 #include "loadgraph.h"
 #include "uber.h"
 
+#define LG_MAX_LINES 9
+
+static const gchar *default_colors[] = { "#73d216",
+                                         "#f57900",
+     /*colors from simple.c sample */    "#3465a4",
+                                         "#ef2929",
+                                         "#75507b",
+                                         "#ce5c00",
+                                         "#c17d11",
+                                         "#ce5c00",
+                                         "#729fcf",
+                                         NULL };
+
 struct _LoadGraph {
     GtkWidget *uber_widget;
-    gdouble cur_value;
+    gdouble cur_value[LG_MAX_LINES];
     gint height;
 };
 
@@ -20,28 +33,28 @@ _sample_func (UberLineGraph *graph,
                  gpointer   user_data)
 {
     LoadGraph *lg = (LoadGraph *)user_data;
-        return lg->cur_value;
+    return lg->cur_value[line-1];
 }
 
 LoadGraph *load_graph_new(gint size)
 {
     LoadGraph *lg;
     GdkRGBA color;
+    int i = 0;
 
     lg = g_new0(LoadGraph, 1);
-
-    lg->height = (size+1) * 2; /* idk */
-    lg->cur_value = 0.0;
     lg->uber_widget = uber_line_graph_new();
-
+    lg->height = (size+1) * 2; /* idk */
+    for (i = 0; i < LG_MAX_LINES; i++) {
+        lg->cur_value[i] = UBER_LINE_GRAPH_NO_VALUE;
+        //GtkWidget *label = uber_label_new();
+        //uber_label_set_text(UBER_LABEL(label), "BLAH!");
+        gdk_rgba_parse(&color, default_colors[i]);
+        uber_line_graph_add_line(UBER_LINE_GRAPH(lg->uber_widget), &color, NULL); /* UBER_LABEL(label) */
+    }
     uber_line_graph_set_autoscale(UBER_LINE_GRAPH(lg->uber_widget), TRUE);
-    GtkWidget *label = uber_label_new();
-    uber_label_set_text(UBER_LABEL(label), "BLAH!");
-    gdk_rgba_parse(&color, "#729fcf");
-    uber_line_graph_add_line(UBER_LINE_GRAPH(lg->uber_widget), &color, UBER_LABEL(label));
     uber_line_graph_set_data_func(UBER_LINE_GRAPH(lg->uber_widget),
                 (UberLineGraphFunc)_sample_func, (gpointer *)lg, NULL);
-
     return lg;
 }
 
@@ -64,7 +77,13 @@ GtkWidget *load_graph_get_framed(LoadGraph * lg)
 
 void load_graph_clear(LoadGraph * lg)
 {
-
+    int i;
+    if (lg != NULL) {
+        for (i = 0; i < LG_MAX_LINES; i++) {
+            lg->cur_value[i] = UBER_LINE_GRAPH_NO_VALUE;
+        }
+        uber_graph_scale_changed(lg->uber_widget);
+    }
 }
 
 void load_graph_set_color(LoadGraph * lg, LoadGraphColor color)
@@ -90,10 +109,15 @@ void load_graph_configure_expose(LoadGraph * lg)
 
 }
 
+void load_graph_update_ex(LoadGraph *lg, guint line, gdouble value)
+{
+    if (lg != NULL && line < LG_MAX_LINES)
+        lg->cur_value[line] = value;
+}
+
 void load_graph_update(LoadGraph * lg, gdouble value)
 {
-    if (lg != NULL)
-        lg->cur_value = value;
+    load_graph_update_ex(lg, 0, value);
 }
 
 gint load_graph_get_height(LoadGraph *lg) {