math_view->hadjustment->value = px2sp(x); math_view->vadjustment->value = px2sp(y);
math_view->hadjustment->value = sp2float(px2sp(x)); math_view->vadjustment->value = sp2float(px2sp(y));
gtk_math_view_set_top(GtkMathView* math_view, gint x, gint y){  g_return_if_fail(math_view != NULL);  g_return_if_fail(math_view->vadjustment != NULL);  g_return_if_fail(math_view->hadjustment != NULL);  math_view->hadjustment->value = px2sp(x);  math_view->vadjustment->value = px2sp(y);  gtk_adjustment_value_changed(math_view->hadjustment);  gtk_adjustment_value_changed(math_view->vadjustment);}