@ GNU AS assembler header file for WindowSupportExternal
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:48:09 2012
@ Simon Middleton, Uniqueway Ltd; Jonathan Coxhead, jonathan@doves.demon.co.uk, 29 June 1995

@ OSLib---efficient, type-safe, transparent, extensible,
@ register-safe API coverage of RISC OS
@ 
@ Copyright (c) 1994-2012 Jonathan Coxhead and OSLib maintainers
@ 
@ Licence:
@ 
@    OSLib 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 1, or (at your option)
@ any later version - and this with the following clarification and
@ special exception:
@ 
@    Linking this library statically or dynamically with other modules
@ is making a combined work based on this library. Thus, the terms
@ and conditions of the GNU General Public License cover the whole
@ combination.
@ 
@    As a special exception, the copyright holders of this library
@ give you permission to link this library with independent modules
@ to produce an executable, regardless of the license terms of these
@ independent modules, and to copy and distribute the resulting
@ executable under terms of your choice, provided that you also meet,
@ for each linked independent module, the terms and conditions of the
@ license of that module. An independent module is a module which is
@ not derived from or based on this library. If you modify this
@ library, you may extend this exception to your version of the library,
@ but you are not obliged to do so. If you do not wish to do so, delete
@ this exception statement from your version.
@ 
@    OSLib 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 programme; if not, write to the Free Software
@ Foundation, Inc, 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef WindowSupportExternal_Hdr
#  define WindowSupportExternal_Hdr

#  ifndef Get_Types
#    define Get_Types
#    include "oslib/Types.Hdr"
#  endif

#  ifndef Get_OS
#    define Get_OS
#    include "oslib/OS.Hdr"
#  endif

#  ifndef Get_Wimp
#    define Get_Wimp
#    include "oslib/Wimp.Hdr"
#  endif

#  ifndef Get_Toolbox
#    define Get_Toolbox
#    include "oslib/Toolbox.Hdr"
#  endif

#  ifndef Get_Window
#    define Get_Window
#    include "oslib/Window.Hdr"
#  endif

#  ifndef Get_Gadget
#    define Get_Gadget
#    include "oslib/Gadget.Hdr"
#  endif

@Symbols for constants
#  define WindowSupportExternal_HandlerAdd 0x1
#  define WindowSupportExternal_HandlerRemove 0x2
#  define WindowSupportExternal_HandlerFade 0x3
#  define WindowSupportExternal_HandlerMethod 0x4
#  define WindowSupportExternal_HandlerClick 0x6
#  define WindowSupportExternal_HandlerPlot 0x9
#  define WindowSupportExternal_HandlerSetFocus 0xa
#  define WindowSupportExternal_HandlerMove 0xb
#  define WindowSupportExternal_HandlerPostAdd 0xc

@Symbols for SWI's and SWI reason codes
.set XWindow_SupportExternal,0xa2887
.set Window_SupportExternal,0x82887

#  define WindowSupportExternal_CreateIcon 0x0
   @Entry
   @  R0 = flags (Bits)
   @  R1 = &0
   @  R2 -> icon (Wimp_IconCreate)
   @Exit
   @  R0 = i (Wimp_I)

#  define WindowSupportExternal_CreateObject 0x2
   @Entry
   @  R0 = flags (Toolbox_CreateFlags)
   @  R1 = &2
   @  R2 = id (Toolbox_Id)
   @Exit
   @  R0 = obj (Toolbox_O)

#  define WindowSupportExternal_CreateGadget 0x3
   @Entry
   @  R0 = flags (Bits)
   @  R1 = &3
   @  R2 = obj (Toolbox_O)
   @  R3 -> gadget (Gadget_Object)
   @  R4 = tag (Int)
   @Exit
   @  R0 = cmp (Toolbox_C)

#  define WindowSupportExternal_Alloc 0x4
   @Entry
   @  R0 = flags (Bits)
   @  R1 = &4
   @  R2 = size (Int)
   @Exit
   @  R0 = data (pointer to Void)

#  define WindowSupportExternal_Free 0x5
   @Entry
   @  R0 = flags (Bits)
   @  R1 = &5
   @  R2 = data (pointer to Void)

#  define WindowSupportExternal_Realloc 0x6
   @Entry
   @  R0 = flags (Bits)
   @  R1 = &6
   @  R2 = data (pointer to Void)
   @  R3 = size_increase (Int)
   @Exit
   @  R0 = data_out (pointer to Void)

#endif
