@ GNU AS assembler header file for ActionButton
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:48:09 2012
@ Jonathan Coxhead, jonathan@doves.demon.co.uk, 5 Sept 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
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@ Foundation, Inc, 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef ActionButton_Hdr
#  define ActionButton_Hdr

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

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

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

@Symbols for constants
#  define Class_ActionButton 0x80
#  define ActionButton_IsDefault 0x1
#  define ActionButton_IsCancel 0x2
#  define ActionButton_IsLocal 0x4
#  define ActionButton_IsMenu 0x8
#  define ActionButton_ShowAsMenu 0x8
#  define ActionButton_ShowAtCentre 0x10
#  define ActionButton_ShowAtPointer 0x20
#  define Action_ActionButtonSelected 0x82881
#  define ActionButton_SelectedAdjust 0x1
#  define ActionButton_SelectedSelect 0x4
#  define ActionButton_SelectedDefault 0x8
#  define ActionButton_SelectedCancel 0x10
#  define ActionButton_SelectedLocal 0x20

@Symbols for structure offsets and sizes
        .struct 0
ActionButton_Gadget_text       : .skip   Toolbox_MsgReference
ActionButton_Gadget_text_limit : .skip   Int
ActionButton_Gadget_click_show : .skip   Toolbox_StringReference
ActionButton_Gadget_action     : .skip   Bits
ActionButton_Gadget            : 

        .struct 0
        Gadget_Object_MEMBERS ActionButton_Object
ActionButton_Object_text       : .skip   Toolbox_MsgReference
ActionButton_Object_text_limit : .skip   Int
ActionButton_Object_click_show : .skip   Toolbox_StringReference
ActionButton_Object_action     : .skip   Bits
ActionButton_Object            : 

        .struct 0
        .skip   Toolbox_ActionHeaderBase
ActionButton_ActionSelectedBlock: 


@Symbols for SWI's and SWI reason codes
#  define ActionButton_SetText 0x80
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &80
   @  R3 = action_button (Toolbox_C)
   @  R4 -> text (String)

#  define ActionButton_GetText 0x81
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &81
   @  R3 = action_button (Toolbox_C)
   @  R4 = text (pointer to String)
   @  R5 = size (Int)
   @Exit
   @  R5 = used (Int)

#  define ActionButton_SetAction 0x82
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &82
   @  R3 = action_button (Toolbox_C)
   @  R4 = action (Bits)

#  define ActionButton_GetAction 0x83
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &83
   @  R3 = action_button (Toolbox_C)
   @Exit
   @  R0 = action (Bits)

#  define ActionButton_SetClickShow 0x84
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &84
   @  R3 = action_button (Toolbox_C)
   @  R4 = obj (Toolbox_O)
   @  R5 = show_flags (Bits)

#  define ActionButton_GetClickShow 0x85
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &85
   @  R3 = action_button (Toolbox_C)
   @Exit
   @  R0 = obj (Toolbox_O)

#endif
