@ GNU AS assembler header file for FontMenu
@ 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
@ along with this programme; if not, write to the Free Software
@ Foundation, Inc, 675 Mass Ave, Cambridge, MA 02139, USA.

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

#  ifndef Get_Menu
#    define Get_Menu
#    include "oslib/Menu.Hdr"
#  endif

@Symbols for constants
#  define Class_FontMenu 0x82a40
#  define FontMenu_GenerateAboutToBeShown 0x1
#  define FontMenu_GenerateDialogueCompleted 0x2
#  define FontMenu_GenerateHasBeenHidden 0x2
#  define FontMenu_IncludeSystemFont 0x4
#  define Action_FontMenuAboutToBeShown 0x82a40
#  define Action_FontMenuDialogueCompleted 0x82a41
#  define Action_FontMenuHasBeenHidden 0x82a41
#  define Action_FontMenuSelection 0x82a42
#  define Error_FontMenuTasksActive 0x80b000
#  define Error_FontMenuAllocFailed 0x80b001
#  define Error_FontMenuShortBuffer 0x80b002
#  define Error_FontMenuNoSuchTask 0x80b011
#  define Error_FontMenuNoSuchMethod 0x80b012
#  define Error_FontMenuNoSuchMiscOpMethod 0x80b013

@Symbols for structure offsets and sizes
        .struct 0
        .skip   Bits
FontMenu_Flags                 : 

        .struct 0
FontMenu_Object_flags          : .skip   FontMenu_Flags
FontMenu_Object_ticked_font    : .skip   Toolbox_StringReference
FontMenu_Object                : 

        .struct 0
        Toolbox_ResourceFileObject_MEMBERS FontMenu_ObjectTemplate
FontMenu_ObjectTemplate_objectflags: .skip   FontMenu_Flags
FontMenu_ObjectTemplate_ticked_font: .skip   Toolbox_StringReference
FontMenu_ObjectTemplate        : 

        .struct 0
        .skip   OS_Coord
FontMenu_Full                  : 

        .struct 0
FontMenu_ActionAboutToBeShown_tag: .skip   Toolbox_PositionTag
FontMenu_ActionAboutToBeShown_position: 
FontMenu_ActionAboutToBeShown_position_top_left: .skip   OS_Coord
        .struct FontMenu_ActionAboutToBeShown_position
FontMenu_ActionAboutToBeShown_position_full: .skip   FontMenu_Full
FontMenu_ActionAboutToBeShown  : 

        .struct 0
        Toolbox_ActionHeader_MEMBERS FontMenu_ActionAboutToBeShownBlock
FontMenu_ActionAboutToBeShownBlock_tag: .skip   Toolbox_PositionTag
FontMenu_ActionAboutToBeShownBlock_position: 
FontMenu_ActionAboutToBeShownBlock_position_top_left: .skip   OS_Coord
        .struct FontMenu_ActionAboutToBeShownBlock_position
FontMenu_ActionAboutToBeShownBlock_position_full: .skip   FontMenu_Full
FontMenu_ActionAboutToBeShownBlock: 

        .struct 0
        .skip   Toolbox_ActionHeaderBase
FontMenu_ActionHasBeenHiddenBlock: 

        .struct 0
        .skip   Toolbox_ActionHeaderBase
FontMenu_ActionDialogueCompletedBlock: 

        .struct 0
FontMenu_ActionSelection_font_identifier: .skip   212*Char
FontMenu_ActionSelection       : 

        .struct 0
        Toolbox_ActionHeader_MEMBERS FontMenu_ActionSelectionBlock
FontMenu_ActionSelectionBlock_font_identifier: .skip   212*Char
FontMenu_ActionSelectionBlock  : 


@Symbols for SWI's and SWI reason codes
.set XFontMenu_ClassSWI,0xa2a40
.set FontMenu_ClassSWI,0x82a40

.set XFontMenu_PostFilter,0xa2a41
.set FontMenu_PostFilter,0x82a41

.set XFontMenu_PreFilter,0xa2a42
.set FontMenu_PreFilter,0x82a42

#  define FontMenu_SetFont 0x0
   @Entry
   @  R0 = flags (Bits)
   @  R1 = font_menu (Toolbox_O)
   @  R2 = &0
   @  R3 -> font_identifier (String)

#  define FontMenu_GetFont 0x1
   @Entry
   @  R0 = flags (Bits)
   @  R1 = font_menu (Toolbox_O)
   @  R2 = &1
   @  R3 = buffer (pointer to String)
   @  R4 = size (Int)
   @Exit
   @  R4 = used (Int)

#endif
