trace-graph: Remove hack to redraw graph

An old hack was still in place to redraw the graph after zooming
in and out. Replace it with the redraw function and the
update_with_backend().

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

1 files changed, 14 insertions, 8 deletions

diff --git a/trace-graph.c b/trace-graph.c
index 504eb36..814559e 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -763,6 +763,7 @@ static void zoom_in_window(struct graph_info *ginfo, gint start, gint end)
         gdouble new_width;
         gdouble select_width;
         gdouble curr_width;
+        gdouble height;
         gdouble mid;
         gdouble percent;
         gint old_width = ginfo->draw_width;
@@ -859,10 +860,12 @@ static void zoom_in_window(struct graph_info *ginfo, gint start, gint end)
         dprintf(1, "new width=%d\n", ginfo->draw_width);
 
         /* make sure the width is sent */
-        if (ginfo->draw_width == old_width)
-                gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width - 1,
-                                            ginfo->draw_height);
-        gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
+        if (ginfo->draw_width == old_width) {
+                redraw_pixmap_backend(ginfo);
+                height = ginfo->draw->allocation.height;
+                update_with_backend(ginfo, 0, 0, ginfo->draw_width, height);
+        } else
+                gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
 
         dprintf(1, "set val %f\n", ginfo->vadj_value);
 
@@ -892,6 +895,7 @@ static void zoom_out_window(struct graph_info *ginfo, gint start, gint end)
         gdouble divider;
         gdouble curr_width;
         gdouble new_width;
+        gdouble height;
         gdouble mid;
         gdouble start_x;
         unsigned long long time;
@@ -946,10 +950,12 @@ static void zoom_out_window(struct graph_info *ginfo, gint start, gint end)
         dprintf(1, "new width=%d\n", ginfo->draw_width);
 
         /* make sure the width is sent */
-        if (ginfo->draw_width == old_width)
-                gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width - 1,
-                                            ginfo->draw_height);
-        gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
+        if (ginfo->draw_width == old_width) {
+                redraw_pixmap_backend(ginfo);
+                height = ginfo->draw->allocation.height;
+                update_with_backend(ginfo, 0, 0, ginfo->draw_width, height);
+        } else
+                gtk_widget_set_size_request(ginfo->draw, ginfo->draw_width, ginfo->draw_height);
 
         mid = (time - ginfo->view_start_time) * ginfo->resolution;
         start_x = mid - view_width / 2;