@ GNU AS assembler header file for Slider
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:45:47 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 Slider_Hdr
#  define Slider_Hdr

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

@Symbols for constants
#  define Class_Slider 0x240
#  define Slider_GenerateValueChanged 0x1
#  define Slider_GenerateValueChangedByDragging 0x2
#  define Slider_GenerateSetValueChanged 0x4
#  define Slider_Vertical 0x8
#  define Slider_Draggable 0x10
#  define Slider_KnobColour 0xf000
#  define Slider_KnobColourShift 0xc
#  define Slider_WellColour 0xf0000
#  define Slider_WellColourShift 0x10
#  define Action_SliderValueChanged 0x82886
#  define Slider_ValueChanging 0x1
#  define Slider_ValueChangedByDragging 0x2
#  define Slider_ValueChanged 0x4
#  define Slider_BoundLower 0x1
#  define Slider_BoundUpper 0x2
#  define Slider_BoundStep 0x4

@Symbols for structure offsets and sizes
        .struct 0
Slider_Gadget_lower_bound      : .skip   Int
Slider_Gadget_upper_bound      : .skip   Int
Slider_Gadget_step_size        : .skip   Int
Slider_Gadget_initial_value    : .skip   Int
Slider_Gadget                  : 

        .struct 0
        Gadget_Object_MEMBERS Slider_Object
Slider_Object_lower_bound      : .skip   Int
Slider_Object_upper_bound      : .skip   Int
Slider_Object_step_size        : .skip   Int
Slider_Object_initial_value    : .skip   Int
Slider_Object                  : 

        .struct 0
Slider_ActionValueChanged_value: .skip   Int
Slider_ActionValueChanged      : 

        .struct 0
        Toolbox_ActionHeader_MEMBERS Slider_ActionValueChangedBlock
Slider_ActionValueChangedBlock_value: .skip   Int
Slider_ActionValueChangedBlock : 

        .struct 0
        .skip   Bits
Slider_BoundsFlags             : 


@Symbols for SWI's and SWI reason codes
#  define Slider_SetValue 0x240
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &240
   @  R3 = slider (Toolbox_C)
   @  R4 = value (Int)

#  define Slider_GetValue 0x241
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &241
   @  R3 = slider (Toolbox_C)
   @Exit
   @  R0 = value (Int)

#  define Slider_SetBounds 0x242
   @Entry
   @  R0 = flags (Slider_BoundsFlags)
   @  R1 = window (Toolbox_O)
   @  R2 = &242
   @  R3 = slider (Toolbox_C)
   @  R4 = lower_bound (Int)
   @  R5 = upper_bound (Int)
   @  R6 = step_size (Int)

#  define Slider_GetBounds 0x243
   @Entry
   @  R0 = flags (Slider_BoundsFlags)
   @  R1 = window (Toolbox_O)
   @  R2 = &243
   @  R3 = slider (Toolbox_C)
   @Exit
   @  R0 = lower_bound (Int)
   @  R1 = upper_bound (Int)
   @  R2 = step_size (Int)

#  define Slider_SetColour 0x244
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &244
   @  R3 = slider (Toolbox_C)
   @  R4 = bar_colour (Wimp_Colour)
   @  R5 = background_colour (Wimp_Colour)

#  define Slider_GetColour 0x245
   @Entry
   @  R0 = flags (Bits)
   @  R1 = window (Toolbox_O)
   @  R2 = &245
   @  R3 = slider (Toolbox_C)
   @Exit
   @  R0 = bar_colour (Wimp_Colour)
   @  R1 = background_colour (Wimp_Colour)

#endif
