有人可以键入一个简单的示例来使用 CSS 设置 GTK+ 小部件的样式吗?我无法弄清楚如何查看文档:
#include <gtk/gtk.h>
int main(int argc,char *argv[])
{
gtk_init(&argc,&argv);
GtkWidget *window;
GtkWidget *button;
GtkCssProvider *cssProvider;
gtk_css_provider_load_from_path(cssProvider,"./gtkExample2.css",NULL);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
button = gtk_button_new_with_label("GTK Button");
gtk_style_context_add_provider(gtk_widget_get_style_context(window),cssProvider,GTK_STYLE_PROVIDER_PRIORITY_USER);
g_signal_connect_swapped(window,"delete-event",G_CALLBACK(gtk_widget_destroy),window);
gtk_container_set_border_width(GTK_CONTAINER(window),20);
gtk_container_add(GTK_CONTAINER(window),button);
gtk_widget_show(window);
gtk_widget_show(button);
gtk_main();
return 1;
}