/* 	
	Testing & playing with pango/gdk :-)
	Rendered text using pango/gdk.
*/

#include <gtk/gtk.h>

#define WIDTH 300
#define HEIGHT 200

/* function to pango'ise a string */
PangoLayout *pangoise(GtkWidget *widget)
{
	PangoContext *pg_context = NULL;
	PangoLayout *pg_layout = NULL;
	PangoFontDescription *pg_desc = NULL;
	gchar *font = "Sans bold 30";
	
	/* get the pango context for rendering */
	pg_context = gtk_widget_get_pango_context(widget);
	pango_context_set_language(pg_context, pango_language_from_string ("ja_JP.UTF8"));
	
	/* create a pango layout */
	//pg_layout = gtk_widget_create_pango_layout(widget, "Test layout");
	//pango_layout_set_text(pg_layout, "Hello World", -1);
	pg_layout = pango_layout_new(pg_context);
	
	/* set the font */
	/*
	pg_desc = pango_font_description_from_string(font);
	pango_layout_set_font_description(pg_layout, pg_desc);
	*/
	
	/* Another way of setting the fonts */
	pg_desc = pango_font_description_new();
	pango_font_description_set_family(pg_desc, "Sans");
	pango_font_description_set_weight(pg_desc, PANGO_WEIGHT_BOLD);
	pango_font_description_set_size(pg_desc, 8*PANGO_SCALE);
	pango_layout_set_font_description(pg_layout, pg_desc);
	
	/* tell the widget about changed layout */
	pango_layout_context_changed(pg_layout);
	pango_layout_set_text(pg_layout, "Hello World", -1);
	
	return pg_layout;
}


/* 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[])
{
	GtkWidget *window = NULL;
	GtkWidget *label = NULL;
	PangoLayout *pg_layout = 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_Gdk example");
	gtk_window_set_default_size(GTK_WINDOW(window), WIDTH, HEIGHT);
	
	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);
	
	/* create pango'd widget & add to window */
	label = gtk_label_new("");
	pg_layout = pangoise(label);
	gtk_label_set_text(GTK_LABEL(label), "Yahooo!");
	pango_layout_context_changed(pg_layout);
	gtk_container_add(GTK_CONTAINER(window), label);
	
	gtk_widget_show_all(window);
	
	gtk_main();
}