/***************************************************************************
 *            support.c
 *
 *  Wed May 30 11:26:42 2007
 *  Copyright  2007  Neil Williams
 *  linux@codehelp.co.uk
 ****************************************************************************/
/*
    This package is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/* with move to glade3, the glade2 xml is not necessary -
using the generated C from glade2 from now on. */

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

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

#include <gtk/gtk.h>

#include "support.h"

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) {
			parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
		}
		if (parent == NULL) {
			break;
		}
		widget = parent;
	}
	found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget), widget_name);
	if (!found_widget) {
		g_warning ("Widget not found: %s", widget_name);
	}
	return found_widget;
}

/* This is an internally used function to find pixmap files. */
static gchar* find_pixmap_file (const gchar *filename) {
	gchar *pathname = g_strdup_printf ("/usr/share/pixmaps/%s", filename);
	if (g_file_test (pathname, G_FILE_TEST_EXISTS)) {
		return pathname;
	}
	g_free (pathname);
	return NULL;
}

/* This is an internally used function to create pixmaps. */
GtkWidget* create_pixmap (GtkWidget *widget, const gchar *filename) {
	gchar *pathname = NULL;
	GtkWidget *pixmap;

	if (!filename || !filename[0]) {
		return gtk_image_new ();
	}
	pathname = find_pixmap_file (filename);
	if (!pathname) {
		g_warning (_("Couldn't find pixmap file: %s"), filename);
		return gtk_image_new ();
	}
	pixmap = gtk_image_new_from_file (pathname);
	g_free (pathname);
	return pixmap;
}

/* This is an internally used function to create pixmaps. */
GdkPixbuf* create_pixbuf (const gchar *filename) {
	gchar *pathname = NULL;
	GdkPixbuf *pixbuf;
	GError *error = NULL;

	if (!filename || !filename[0]) {
		return NULL;
	}
	pathname = find_pixmap_file (filename);
	if (!pathname) {
		g_warning (_("Couldn't find pixmap file: %s"), filename);
		return NULL;
	}
	pixbuf = gdk_pixbuf_new_from_file (pathname, &error);
	if (!pixbuf) {
		fprintf (stderr, "Failed to load pixbuf file: %s: %s\n", pathname, error->message);
		g_clear_error (&error);
	}
	g_free (pathname);
	return pixbuf;
}

/* This is used to set ATK action descriptions. */
void glade_set_atk_action_description (AtkAction *action,
					const gchar *action_name, const gchar *description) {
	gint n_actions, i;

	n_actions = atk_action_get_n_actions (action);
	for (i = 0; i < n_actions; i++) {
		if (!strcmp (atk_action_get_name (action, i), action_name)) {
			atk_action_set_description (action, i, description);
		}
	}
}
