+/**
+ * Function to set the filter of the current tab.
+ * It should be called by the filter GUI to tell the
+ * main window to update the filter tab's lttv_filter.
+ *
+ * This function does change the current filter, removing the
+ * old one when necessary, and call the updatefilter hooks
+ * of the registered viewers.
+ *
+ * @param main_win, the main window the viewer belongs to.
+ * @param filter, a pointer to a filter.
+ */
+
+void lttvwindow_report_filter(Tab *tab, LttvFilter *filter)
+{
+ LttvAttributeValue value;
+ LttvHooks * tmp;
+
+ lttv_filter_destroy(tab->filter);
+ tab->filter = filter;
+
+ g_assert(lttv_iattribute_find_by_path(tab->attributes,
+ "hooks/updatefilter", LTTV_POINTER, &value));
+ tmp = (LttvHooks*)*(value.v_pointer);
+ if(tmp == NULL) return;
+ lttv_hooks_call(tmp, &position);
+}
+
+