// SPDX-FileCopyrightText: 2022 Geoffrey D. Bennett // SPDX-License-Identifier: GPL-3.0-or-later #pragma once #include void gtk_widget_set_margin(GtkWidget *w, int margin); void gtk_widget_set_expand(GtkWidget *w, gboolean expand); void gtk_widget_set_align(GtkWidget *w, GtkAlign x, GtkAlign y); void gtk_grid_set_spacing(GtkGrid *grid, int spacing); void gtk_widget_add_class(GtkWidget *w, const char *class);