/**

  * $Id$

  *

  * Construct and manage the controller configuration pane

  *

  * Copyright (c) 2008 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 "cocoaui.h"

 #include "config.h"

 #include "maple/maple.h"

 #define MAX_DEVICES 4

 @implementation LxdreamPrefsControllerPane

 + (LxdreamPrefsControllerPane *)new

 {

     return [[LxdreamPrefsControllerPane alloc] initWithFrame: NSMakeRect(0,0,600,400)];

 }

 - (id)initWithFrame: (NSRect)frameRect

 {

     if( [super initWithFrame: frameRect title: NS_("Controllers")] == nil ) {

         return nil;

     } else {

         const struct maple_device_class **devices = maple_get_device_classes();

         char buf[16];

         int i,j;

         int height = [self contentHeight] - TEXT_HEIGHT - TEXT_GAP;

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

             save_controller[i] = NULL;

             maple_device_t device = maple_get_device(i,0);

             NSRect frame = NSMakeRect( TEXT_GAP, height -((TEXT_HEIGHT+TEXT_GAP)*i - 2),

                                        50, LABEL_HEIGHT );

             snprintf( buf, sizeof(buf), _("Slot %d."), i );

             NSTextField *label = [self addLabel: [NSString stringWithUTF8String: buf]

                                        withFrame: frame ];

             [label setAlignment: NSRightTextAlignment];

             frame = NSMakeRect( 50 + (TEXT_GAP*2), height - ((TEXT_HEIGHT+TEXT_GAP)*i),

                                 150, TEXT_HEIGHT );

             NSPopUpButton *popup = [[NSPopUpButton alloc] initWithFrame: frame pullsDown: NO];

             [popup addItemWithTitle: NS_("<empty>")];

             [popup setAutoresizingMask: (NSViewMinYMargin|NSViewMaxXMargin)];

             [[popup itemAtIndex: 0] setTag: 0];

             for( j=0; devices[j] != NULL; j++ ) {

                 [popup addItemWithTitle: [NSString stringWithUTF8String: devices[j]->name]];

                 if( device != NULL && device->device_class == devices[j] ) {

                     [popup selectItemAtIndex: (j+1)];

                 }

                 [[popup itemAtIndex: (j+1)] setTag: (j+1)];

             }

             [popup setTarget: self];

             [popup setAction: @selector(deviceChanged:)];

             [popup setTag: i];

             [self addSubview: popup];

         }

         return self;

     }

 }

 - (void)deviceChanged: (id)sender

 {

     int slot = [sender tag];

     int new_device_idx = [sender indexOfSelectedItem] - 1; 

     maple_device_class_t new_device_class = NULL;

     maple_device_t current = maple_get_device(slot,0);

     maple_device_t new_device = NULL;

     if( new_device_idx != -1 ) {

         new_device_class = maple_get_device_classes()[new_device_idx];

     }

     if( current == NULL ? new_device_class == NULL : current->device_class == new_device_class ) {

         // No change

         return;

     }

     if( current != NULL && current->device_class == &controller_class ) {

         save_controller[slot] = current->clone(current);

     }

     if( new_device_class == NULL ) {

         maple_detach_device(slot,0);

     } else {

         if( new_device_class == &controller_class && save_controller[slot] != NULL ) {

             new_device = save_controller[slot];

             save_controller[slot] = NULL;

         } else {

             new_device = maple_new_device( new_device_class->name );

         }

         maple_attach_device(new_device,slot,0);

     }

     lxdream_save_config();

 }

 @end