Stuff

/* testing & playing with pango :-) */#include <pango/pango.h>#include <gtk/gtk.h>#include <stdio.h>#include <math.h>/* signal handler(s) */gboolean handle_delete_event(GtkWidget *widget, GdkEvent *event, gpointer data){	return FALSE;}gboolean handle_destroy(GtkWidget *widget, gpointer data){	gtk_main_quit();}int main(int argc, char *argv[]){	PangoContext *pg_context = NULL;	PangoFontFamily **pg_families = NULL;	gint num_families = 0;		GtkWidget *window = NULL;	GtkWidget **labels = NULL;	GtkWidget *table = NULL;	gint table_dim = 0;	gint family_offset = 0;	gint row = 0, col = 0;	gboolean all_done = FALSE;	PangoContext *pg_labels_context = NULL;	PangoFontDescription *pg_labels_desc = NULL;	const gchar *family_name = NULL;	/* setup GTK environment */	gtk_init(&argc, &argv);		/* create a window & attach required signals */	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);	gtk_window_set_title(GTK_WINDOW(window), "Pango example");	gtk_window_set_default_size(GTK_WINDOW(window), 200, 100);		/* attach signal handlers to the window */	gtk_signal_connect(GTK_OBJECT(window), "delete-event", GTK_SIGNAL_FUNC(handle_delete_event), NULL);	gtk_signal_connect(GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(handle_destroy), NULL);	/* get a pango context form the window */	pg_context = gtk_widget_get_pango_context(window);	/* get the font_family listing */	pango_context_list_families(pg_context, &pg_families, &num_families);		/* initialize the labels array */	labels = (GtkWidget **)g_malloc(sizeof(GtkWidget *) * num_families);		/* init a GtkTable instance to hold all the labels */	table_dim = ceil(sqrt(num_families));	table = gtk_table_new(table_dim, table_dim, TRUE);			/* render each label with its own font */	pg_labels_desc = pango_font_description_new();	for(row = 0; row < table_dim; ++row)	{		for(col = 0; col < table_dim; ++col)		{			/* get the family name in a string & create a label for that name */			family_name = pango_font_family_get_name(pg_families[family_offset]);			labels[family_offset] = gtk_label_new(family_name);						/* get the pango context for that label & modify its font */			pg_labels_context = gtk_widget_get_pango_context(labels[family_offset]);			pango_font_description_set_family(pg_labels_desc, family_name);			gtk_widget_modify_font(labels[family_offset], pg_labels_desc);						/* add the font to the gtk-table */			gtk_table_attach(GTK_TABLE(table), labels[family_offset], col, col + 1, row, row + 1, GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND, 6, 6);			family_offset ++;						/* finish adding to gtk-table when all done */			if(family_offset == (num_families - 1))			{				all_done = TRUE;						break;			}		}				if(TRUE == all_done)			break;	}			/* pack the window & show it */;	gtk_container_add(GTK_CONTAINER(window), table);		gtk_widget_show_all(window);		gtk_main();		return 0;}