Initial revision

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@13249 72102866-910b-0410-8b05-ffd578937521
2025-05-29 16:31:29 +00:00 · 2002-03-27 23:44:41 +00:00 · 2002-03-27 23:44:41 +00:00 · 685bcf200f
commit 685bcf200f
103 changed files with 35415 additions and 0 deletions
--- a/Source/GSBackend.m
+++ b/Source/GSBackend.m
@ -0,0 +1,107 @@
+/* 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 Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, write to the Free Software Foundation,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "config.h"
+#include <Foundation/NSObject.h>
+#include <Foundation/NSException.h>
+#include <Foundation/NSUserDefaults.h>
+
+@interface GSBackend : NSObject
+{
+}
+ (void) initializeBackend;
+@end
+
+/* Call the correct initalization routines for the choosen
+   backend. This depends both on configuration data and defaults.
+   There is also a method to get a different backend class for different
+   configure parameters (so you could only load in the backend configurations
+   you wanted. But that is not implemented yet). */
+
+#ifdef BUILD_X11
+#include <x11/XGServer.h>
+#endif
+#ifdef BUILD_XLIB
+#include <xlib/XGContext.h>
+#endif
+#ifdef BUILD_XDPS
+#include <xdps/NSDPSContext.h>
+#endif
+#ifdef BUILD_WIN32
+// win32 header here
+#endif
+#ifdef BUILD_WINLIB
+// winlib header here
+#endif
+
+@implementation GSBackend
+
+ (void) initializeBackend
+{
+  Class           contextClass;
+  NSString       *context;
+  NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
+
+  /* Load in only one server */
+#ifdef BUILD_X11
+  [XGServer initializeBackend];
+#else
+#ifdef BUILD_WIN32
+// win32 initialize here
+#else
+  [NSException raise: NSInternalInconsistencyException
+	       format: @"No Window Server configured in backend"];
+#endif
+#endif
+
+  /* The way the frontend is currently structured
+     it's not possible to have more than one */
+#ifdef BUILD_XDPS
+  context = @"xdps";
+#endif
+#ifdef BUILD_WINLIB
+  context = @"xwin32";
+#endif
+#ifdef BUILD_XLIB
+  context = @"xlib";
+#endif
+
+  /* What backend context? */
+  if ([defs stringForKey: @"GSContext"])
+    context = [defs stringForKey: @"GSContext"];
+
+  if ([context isEqual: @"xdps"])
+    contextClass = objc_get_class("NSDPSContext");
+  else if ([context isEqual: @"win32"])
+    contextClass = objc_get_class("WIN32Context");
+  else
+    contextClass = objc_get_class("XGContext");
+
+  [contextClass initializeBackend];
+}
+
+@end
+
+