/*
 * DO NOT EDIT THIS FILE - it is generated by Glade.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>

#include <gtk/gtk.h>

#include "support.h"

/* This is an internally used function to check if a pixmap file exists. */
static gchar *check_file_exists(const gchar * directory,
				const gchar * filename);

GtkWidget *lookup_widget(GtkWidget * widget, const gchar * widget_name)
{
	GtkWidget *parent, *found_widget;

	for (;;) {
		if (GTK_IS_MENU(widget))
			parent =
			    gtk_menu_get_attach_widget(GTK_MENU(widget));
		else
			parent = widget->parent;
		if (parent == NULL)
			break;
		widget = parent;
	}

	found_widget = g_object_get_data(G_OBJECT(widget), widget_name);
	if (!found_widget)
		g_warning("Widget not found: %s", widget_name);
	return found_widget;
}

static GList *pixmaps_directories = NULL;

/* Use this function to set the directory containing installed pixmaps. */
void add_pixmap_directory(const gchar * directory)
{
	pixmaps_directories = g_list_prepend(pixmaps_directories,
					     g_strdup(directory));
}

/* This is an internally used function to create pixmaps. */
GdkPixbuf *load_pixmap(const gchar * name)
{
	gchar *filename, *found_filename = NULL;
	GdkPixbuf *image;
	GList *elem;
	GError *error = NULL;

	if (!name || !name[0])
		return NULL;

	filename = g_strdup_printf("%s.png", name);

	/* We first try any pixmaps directories set by the application. */
	elem = pixmaps_directories;
	while (elem) {
		found_filename =
		    check_file_exists((gchar *) elem->data, filename);
		if (found_filename)
			break;
		elem = elem->next;
	}

	/* If we haven't found the pixmap, try the source directory. */
	if (!found_filename) {
		found_filename = check_file_exists("", filename);
	}

	g_free(filename);
	filename = NULL;

	if (!found_filename) {
		g_warning(_("Couldn't find pixmap file: %s"), name);
		return NULL;
	}

	image = gdk_pixbuf_new_from_file(found_filename, &error);
	if (image == NULL) {
		g_warning(_("Error loading pixmap file: %s"),
			  found_filename);
		g_free(found_filename);
		return NULL;
	}
	g_free(found_filename);

	return image;
}

/* This is an internally used function to check if a pixmap file exists. */
gchar *check_file_exists(const gchar * directory, const gchar * filename)
{
	gchar *full_filename;
	struct stat s;
	gint status;

	full_filename = (gchar *) g_malloc(strlen(directory) + 1
					   + strlen(filename) + 1);
	strcpy(full_filename, directory);
	strcat(full_filename, G_DIR_SEPARATOR_S);
	strcat(full_filename, filename);

	status = stat(full_filename, &s);
	if (status == 0 && S_ISREG(s.st_mode))
		return full_filename;
	g_free(full_filename);
	return NULL;
}