[sysprof/newui: 13/24] Expand on double-click

[SÃren Sandmann Pedersen <ssp src gnome org>]

commit ee916d31b93ecd0cbd3d20276c429bd99003bcd8
Author: SÃren Sandmann Pedersen <sandmann daimi au dk>
Date:   Tue Nov 9 10:25:55 2010 -0500

    Expand on double-click

 stackstash.c |    2 +
 sysprof.c    |   73 ++++++++++++++++++++++++++++++++++++++++++---------------
 2 files changed, 56 insertions(+), 19 deletions(-)
---
diff --git a/stackstash.c b/stackstash.c
index 44912e4..4496110 100644
--- a/stackstash.c
+++ b/stackstash.c
@@ -226,6 +226,8 @@ stack_stash_add_trace (StackStash *stash,
 	 *
 	 * Not sure what can be done about it aside from actually fixing
 	 * x86-64 to get stacktraces.
+	 *
+	 * Actually, using a hash table here might work.
 	 */
 	prev = NULL;
 	for (match = *location; match; prev = match, match = match->siblings)
diff --git a/sysprof.c b/sysprof.c
index 5cdb29e..a76b255 100644
--- a/sysprof.c
+++ b/sysprof.c
@@ -379,9 +379,9 @@ on_start_toggled (GtkWidget *widget, gpointer data)
 
 enum
 {
-    CALLERS_NAME,
     CALLERS_SELF,
     CALLERS_TOTAL,
+    CALLERS_NAME,
     CALLERS_OBJECT
 };
 
@@ -539,9 +539,9 @@ fill_callers_list (Application *app)
 
     list_store =
 	gtk_list_store_new (4,
-			    G_TYPE_STRING,
 			    G_TYPE_DOUBLE,
 			    G_TYPE_DOUBLE,
+			    G_TYPE_STRING,
 			    G_TYPE_POINTER);
 
     if (app->profile)
@@ -848,8 +848,44 @@ on_delete (GtkWidget *window,
     gtk_main_quit ();
 }
 
+static GtkTreePath *
+find_object (GtkTreeModel *model, gpointer object)
+{
+    GtkTreeIter iter;
+    gboolean found = FALSE;
+
+    if (gtk_tree_model_get_iter_first (model, &iter))
+    {
+	do
+	{
+	    char *list_object;
+
+	    gtk_tree_model_get (model, &iter,
+				DESCENDANTS_OBJECT, &list_object,
+				-1);
+
+	    if (list_object == object)
+	    {
+		found = TRUE;
+		break;
+	    }
+	}
+	while (gtk_tree_model_iter_next (model, &iter));
+    }
+
+    if (found)
+    {
+	GtkTreePath *path =
+	    gtk_tree_model_get_path (model, &iter);
+
+	return path;
+    }
+
+    return NULL;
+}
+
 static void
-expand_descendants_tree (Application *app)
+expand_descendants_tree (Application *app, gpointer object)
 {
     GtkTreeModel *model = gtk_tree_view_get_model (app->descendants_view);
     GtkTreeIter iter;
@@ -860,8 +896,16 @@ expand_descendants_tree (Application *app)
     GtkTreePath *first_path;
     GList *list;
 
-    first_path = gtk_tree_path_new_first();
+    gtk_tree_view_collapse_all (app->descendants_view);
+
+    first_path = find_object (model, object);
 
+    gtk_tree_view_set_cursor (app->descendants_view, first_path,
+			      NULL, FALSE);
+    
+    gtk_tree_view_scroll_to_cell (app->descendants_view, first_path, NULL,
+				  FALSE, 0, 0);
+    
     all_paths = g_list_prepend (all_paths, first_path);
 
     n_rows = 1;
@@ -1133,17 +1177,6 @@ on_object_selection_changed (GtkTreeSelection *selection,
     fill_callers_list (app);
 
     gtk_tree_view_columns_autosize (app->callers_view);
-
-    gtk_widget_set_size_request (app->callers_view, 2, 2);
-    gtk_widget_hide (app->callers_view);
-    gtk_widget_show (app->callers_view);
-
-    gtk_widget_set_size_request (app->callers_view, -1, -1);
-
-#if 0
-    if (get_current_object (app))
-	expand_descendants_tree (app);
-#endif
 }
 
 #if 0
@@ -1216,12 +1249,16 @@ on_descendants_row_activated (GtkTreeView *tree_view,
 			      gpointer data)
 {
     Application *app = data;
+    gpointer object;
 
 #if 0
     goto_object (app, tree_view, path, DESCENDANTS_OBJECT);
 #endif
 
     gtk_widget_grab_focus (GTK_WIDGET (app->descendants_view));
+
+    if ((object = get_current_object (app)))
+	expand_descendants_tree (app, object);
 }
 
 static void
@@ -1484,13 +1521,12 @@ build_gui (Application *app)
 
     /* callers view */
     gtk_tree_view_set_enable_search (app->callers_view, FALSE);
-    col = add_plain_text_column (app->callers_view, _("Callers"),
-				 CALLERS_NAME);
     add_double_format_column (app->callers_view, _("Self"),
 			      CALLERS_SELF, PCT_FORMAT);
     add_double_format_column (app->callers_view, _("Total"),
 			      CALLERS_TOTAL, PCT_FORMAT);
-    gtk_tree_view_column_set_expand (col, TRUE);
+    add_plain_text_column (app->callers_view, _("Callers"),
+			   CALLERS_NAME);
 
     /* descendants view */
     gtk_tree_view_set_enable_search (app->descendants_view, FALSE);
@@ -1500,7 +1536,6 @@ build_gui (Application *app)
 			      DESCENDANTS_CUMULATIVE, PCT_FORMAT);
     col = add_plain_text_column (app->descendants_view, _("Name"),
 				 DESCENDANTS_NAME);
-    gtk_tree_view_column_set_expand (col, TRUE);
     gtk_tree_view_set_expander_column (app->descendants_view, col);
 
     app->object_selection = gtk_tree_view_get_selection (app->descendants_view);