+ widgets->marker_tp = trackpoint;
+ gtk_dialog_set_response_sensitive(GTK_DIALOG(widgets->dialog), VIK_TRW_LAYER_PROPWIN_SPLIT_MARKER, TRUE);
+
+ /* draw on the other graph */
+ if (trackpoint == NULL || widgets->elev_box == NULL || widgets->speed_box == NULL)
+ /* This test assumes we have only 2 graphs */
+ return;
+
+ gdouble pc = NAN;
+ gdouble x2;
+ GList *other_child = gtk_container_get_children(GTK_CONTAINER(
+ is_vt_graph ? widgets->elev_box : widgets->speed_box));
+ GtkWidget *other_image = GTK_WIDGET(other_child->data);
+ if (is_vt_graph) {
+ gdouble dist = 0.0;
+ GList *iter;
+ for (iter = tr->trackpoints->next; iter != NULL; iter = iter->next) {
+ dist += vik_coord_diff(&(VIK_TRACKPOINT(iter->data)->coord),
+ &(VIK_TRACKPOINT(iter->prev->data)->coord));
+ /* Assuming trackpoint is not a copy */
+ if (trackpoint == VIK_TRACKPOINT(iter->data))
+ break;
+ }
+ if (iter != NULL)
+ pc = dist/widgets->track_length;
+ } else {
+ time_t t_start, t_end, t_total;
+ t_start = VIK_TRACKPOINT(tr->trackpoints->data)->timestamp;
+ t_end = VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp;
+ t_total = t_end - t_start;
+ pc = (gdouble)(trackpoint->timestamp - t_start)/t_total;
+ }
+ if (!isnan(pc)) {
+ x2 = pc * PROFILE_WIDTH + MARGIN + (event_box->allocation.width/2 - PROFILE_WIDTH/2 - MARGIN/2);
+ draw_graph_mark(other_image, x2, event_box->allocation.width, window->style->black_gc,
+ is_vt_graph ? &widgets->elev_graph_saved_img : &widgets->speed_graph_saved_img);
+ }
+
+ g_list_free(other_child);