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/* GSBackend - backend initialize class
Copyright (C) 2002 Free Software Foundation, Inc.
Author: Adam Fedor <fedor@gnu.org>
Date: Mar 2002
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <Foundation/NSObject.h>
#include <Foundation/NSException.h>
#include <Foundation/NSUserDefaults.h>
@interface GSBackend : NSObject
{
}
+ (void) initializeBackend;
@end
#if BUILD_SERVER == SERVER_x11
#include <x11/XGServer.h>
@interface XGServer (Initialize)
+ (void) initializeBackend;
@end
#elif BUILD_SERVER == SERVER_win32
#include <win32/WIN32Server.h>
@interface WIN32Server (Initialize)
+ (void) initializeBackend;
@end
#elif BUILD_SERVER == SERVER_wayland
#include <wayland/WaylandServer.h>
@interface WaylandServer (Initialize)
+ (void) initializeBackend;
@end
#elif BUILD_SERVER == SERVER_headless
#include <headless/HeadlessServer.h>
@interface HeadlessServer (Initialize)
+ (void) initializeBackend;
@end
#endif
/* Call the correct initalization routines for the choosen
backend. This depends both on configuration data and defaults.
*/
@implementation GSBackend
+ (void) initializeBackend
{
Class contextClass;
NSString *context = nil;
NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
/* Load in only one server */
#if BUILD_SERVER == SERVER_x11
[XGServer initializeBackend];
#elif BUILD_SERVER == SERVER_win32
[WIN32Server initializeBackend];
#elif BUILD_SERVER == SERVER_wayland
[WaylandServer initializeBackend];
#elif BUILD_SERVER == SERVER_headless
[HeadlessServer initializeBackend];
#else
[NSException raise: NSInternalInconsistencyException
format: @"No Window Server configured in backend"];
#endif
/* The way the frontend is currently structured
it's not possible to have more than one */
/* What backend context? */
if ([defs stringForKey: @"GSContext"])
context = [defs stringForKey: @"GSContext"];
if ((context == nil) || ([context length] == 0))
{
#if (BUILD_GRAPHICS==GRAPHICS_xdps)
context = @"NSDPSContext";
#elif (BUILD_GRAPHICS==GRAPHICS_art)
context = @"ARTContext";
#elif (BUILD_GRAPHICS==GRAPHICS_xlib)
context = @"XGContext";
#elif (BUILD_GRAPHICS==GRAPHICS_winlib)
context = @"WIN32Context";
#elif (BUILD_GRAPHICS==GRAPHICS_cairo)
context = @"CairoContext";
#elif (BUILD_GRAPHICS==GRAPHICS_opal)
context = @"OpalContext";
#elif (BUILD_GRAPHICS==GRAPHICS_headless)
context = @"HeadlessContext";
#else
#error INVALID build graphics type
#endif
}
// Reference the requested build time class...
contextClass = NSClassFromString(context);
if (contextClass == nil)
{
NSLog(@"%s:Backend context class missing for: %@\n", __PRETTY_FUNCTION__, context);
exit(1);
}
[contextClass initializeBackend];
}
@end
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