/**

  * $Id$

  *

  * Creates and manages the GD-Rom attachment menu.

  *

  * Copyright (c) 2005 Nathan Keynes.

  *

  * This program 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 2 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.

  */

 #include <assert.h>

 #include <libgen.h>

 #include "dream.h"

 #include "dreamcast.h"

 #include "config.h"

 #include "gdlist.h"

 #include "gdrom/gdrom.h"

 #include "gtkui/gtkui.h"

 static gboolean gdrom_menu_adjusting = FALSE;

 static void gdrom_menu_open_image_callback( GtkWidget *widget, gpointer user_data )

 {

     if( !gdrom_menu_adjusting ) {

         const gchar *dir = lxdream_get_config_value(CONFIG_DEFAULT_PATH);

         open_file_dialog( _("Open..."), gdrom_mount_image, NULL, NULL, dir );

     }

 }

 void gdrom_menu_item_callback( GtkWidget *widget, gpointer user_data )

 {

     if( !gdrom_menu_adjusting ) {

         gdrom_list_set_selection( GPOINTER_TO_INT(user_data) );

     }

 }

 void gdrom_menu_build( GtkWidget *menu ) 

 {

     unsigned int i, len;

     GSList *group = NULL;

     len = gdrom_list_size();

     for( i=0; i < len; i++ ) {

         const gchar *entry = gdrom_list_get_display_name(i);

         if( entry[0] == '\0' ) { // Empty string = separator

             gtk_menu_shell_append( GTK_MENU_SHELL(menu), gtk_separator_menu_item_new() );

         } else {

             GtkWidget *item = gtk_radio_menu_item_new_with_label( group, entry );

             group = gtk_radio_menu_item_get_group( GTK_RADIO_MENU_ITEM(item) );

             g_signal_connect_after( item, "activate", G_CALLBACK(gdrom_menu_item_callback), GINT_TO_POINTER(i) );

             gtk_menu_shell_append( GTK_MENU_SHELL(menu), item );

         }

     }

     gtk_menu_shell_append( GTK_MENU_SHELL(menu), gtk_separator_menu_item_new() );

     GtkWidget *open = gtk_image_menu_item_new_with_label( _("Open image file...") );

     g_signal_connect_after( open, "activate", G_CALLBACK(gdrom_menu_open_image_callback), NULL );

     gtk_menu_shell_append( GTK_MENU_SHELL(menu), open );

     gtk_widget_show_all(menu);

 }

 void gdrom_menu_rebuild( GtkWidget *menu )

 {

     GList *children = gtk_container_get_children( GTK_CONTAINER(menu) );

     GList *listptr;

     for( listptr = children; listptr != NULL; listptr = g_list_next(listptr) ) {

         gtk_widget_destroy( GTK_WIDGET(listptr->data) );

     }

     g_list_free(children);

     gdrom_menu_build(menu);

 }

 gboolean gdrom_menu_update( gboolean list_changed, int selection, void *user_data )

 {

     gdrom_menu_adjusting = TRUE;

     GtkWidget *menu = GTK_WIDGET(user_data);

     if( list_changed ) {

         gdrom_menu_rebuild(menu);

     }

     GList *children = gtk_container_get_children( GTK_CONTAINER(menu) );

     GList *item = g_list_nth( children, selection );

     assert( item != NULL );

     gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM(item->data), TRUE );

     g_list_free(children);

     gdrom_menu_adjusting = FALSE;

     return TRUE;

 }

 GtkWidget *gdrom_menu_new()

 {

     GtkWidget *menu = gtk_menu_new();

     gtk_menu_set_title( GTK_MENU(menu), _("GD-Rom Settings") );

     gdrom_menu_build(menu);

     register_gdrom_list_change_hook(gdrom_menu_update, menu);

     gdrom_menu_update( FALSE, gdrom_list_get_selection(), menu );

     gtk_widget_show_all(menu);

     return menu;

 }