static gboolean
trace_view_store_get_iter (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreePath *path)
{
TraceViewStore *trace_view_store;
TraceViewRecord *record;
gint *indices, n, depth;
g_assert(TRACE_VIEW_IS_LIST(tree_model));
g_assert(path!=NULL);
trace_view_store = TRACE_VIEW_STORE(tree_model);
indices = gtk_tree_path_get_indices(path);
depth = gtk_tree_path_get_depth(path);
/* we do not allow children */
g_assert(depth == 1); /* depth 1 = top level; a list only has top level nodes and no children */
n = indices[0]; /* the n-th top level row */
record = trace_view_store_get_visible_row(trace_view_store, n);
if (!record)
return FALSE;
/* We simply store a pointer to our custom record in the iter */
iter->stamp = trace_view_store->stamp;
iter->user_data = record;
iter->user_data2 = NULL; /* unused */
iter->user_data3 = NULL; /* unused */
return TRUE;
}
void trace_view_cpu_filter_callback(gboolean accept,
gboolean all_cpus,
guint64 *selected_cpu_mask,
gpointer data)
{
GtkTreeView *trace_tree = data;
TraceViewRecord *rec;
GtkTreeModel *model;
TraceViewStore *store;
guint64 time = 0;
gint selected_row;
gint cpus;
gint cpu;
if (!accept)
return;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return;
store = TRACE_VIEW_STORE(model);
selected_row = trace_view_get_selected_row(GTK_WIDGET(trace_tree));
if (selected_row < 0)
selected_row = 0;
g_object_ref(store);
gtk_tree_view_set_model(trace_tree, NULL);
/*
* If the selected row is not part of one of the CPUs
* that are kept, then find one that is. Do nothing if
* the first row is selected.
*/
if (selected_row) {
/* Save this timestamp */
rec = trace_view_store_get_visible_row(TRACE_VIEW_STORE(model), selected_row);
time = rec->timestamp;
}
if (all_cpus) {
trace_view_store_set_all_cpus(store);
goto set_model;
}
cpus = trace_view_store_get_cpus(store);
for (cpu = 0; cpu < cpus; cpu++) {
if (cpu_isset(selected_cpu_mask, cpu))
trace_view_store_set_cpu(store, cpu);
else
trace_view_store_clear_cpu(store, cpu);
}
set_model:
gtk_tree_view_set_model(trace_tree, GTK_TREE_MODEL(store));
g_object_unref(store);
if (!time)
return;
/*
* Try to select the row that was near the selection
* before the change.
*/
trace_view_select(GTK_WIDGET(trace_tree), time);
}
