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{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 Karoly Balogh for Genesi S.a.r.l.
asl.library interface unit for MorphOS/PowerPC
Based on work of Nils Sjoholm member of the Amiga RTL
development team.
MorphOS port was done on a free Pegasos II/G4 machine
provided by Genesi S.a.r.l. <www.genesi.lu>
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program 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.
**********************************************************************}
{$PACKRECORDS 2}
unit asl;
interface
uses exec, utility, {workbench,} agraphics;
{************************************************************************}
const
ASLNAME : PChar = 'asl.library';
ASL_TB = TAG_USER+$80000;
{************************************************************************}
{ Types of requesters known to ASL, used as arguments to AllocAslRequest() }
ASL_FileRequest = 0;
ASL_FontRequest = 1;
ASL_ScreenModeRequest = 2;
{****************************************************************************
*
* ASL File Requester data structures and constants
*
* This structure must only be allocated by asl.library amd is READ-ONLY!
* Control of the various fields is provided via tags when the requester
* is created with AllocAslRequest() and when it is displayed via
* AslRequest()
}
type
pFileRequester = ^tFileRequester;
tFileRequester = record
rf_Reserved0 : Array[0..3] Of Byte;
rf_File : PChar; { Filename pointer }
rf_Dir : PChar; { Directory name pointer }
rf_Reserved1 : Array[0..9] Of Byte;
rf_LeftEdge : smallint;
rf_TopEdge : smallint; { Preferred window pos }
rf_Width : smallint;
rf_Height : smallint; { Preferred window size }
rf_Reserved2 : Array[0..1] Of Byte;
rf_NumArgs : LongInt; { A-la WB Args, FOR multiselects }
{$WARNING FIX ME!!! Needs workbench unit}
{ rf_ArgList : pWBArgList;}
rf_ArgList : Pointer;
rf_UserData : Pointer; { Applihandle (you may write!!) }
rf_Reserved3 : Array[0..7] Of Byte;
rf_Pat : PChar; { Pattern match pointer }
END; { note - more reserved fields follow }
{ File requester tag values, used by AllocAslRequest() and AslRequest() }
const
{ Window control }
ASLFR_Window = ASL_TB+2 ; { Parent window }
ASLFR_Screen = ASL_TB+40; { Screen to open on if no window }
ASLFR_PubScreenName = ASL_TB+41; { Name of public screen }
ASLFR_PrivateIDCMP = ASL_TB+42; { Allocate private IDCMP? }
ASLFR_IntuiMsgFunc = ASL_TB+70; { Function to handle IntuiMessages }
ASLFR_SleepWindow = ASL_TB+43; { Block input in ASLFR_Window? }
ASLFR_UserData = ASL_TB+52; { What to put in fr_UserData }
ASLFR_PopToFront = ASL_TB+131; { Make the requester window visible }
ASLFR_Activate = ASL_TB+132; { Activate the requester window when }
{ Text display }
ASLFR_TextAttr = ASL_TB+51; { Text font to use for gadget text }
ASLFR_Locale = ASL_TB+50; { Locale ASL should use for text }
ASLFR_TitleText = ASL_TB+1 ; { Title of requester }
ASLFR_PositiveText = ASL_TB+18; { Positive gadget text }
ASLFR_NegativeText = ASL_TB+19; { Negative gadget text }
{ Initial settings }
ASLFR_InitialLeftEdge= ASL_TB+3 ; { Initial requester coordinates }
ASLFR_InitialTopEdge = ASL_TB+4 ;
ASLFR_InitialWidth = ASL_TB+5 ; { Initial requester dimensions }
ASLFR_InitialHeight = ASL_TB+6 ;
ASLFR_InitialFile = ASL_TB+8 ; { Initial contents of File gadget }
ASLFR_InitialDrawer = ASL_TB+9 ; { Initial contents of Drawer gadg. }
ASLFR_InitialPattern = ASL_TB+10; { Initial contents of Pattern gadg.}
ASLFR_InitialShowVolumes = ASL_TB+130; { Initially, show the volume list (V44) }
{ Options }
ASLFR_Flags1 = ASL_TB+20; { Option flags }
ASLFR_Flags2 = ASL_TB+22; { Additional option flags }
ASLFR_DoSaveMode = ASL_TB+44; { Being used for saving? }
ASLFR_DoMultiSelect = ASL_TB+45; { Do multi-select? }
ASLFR_DoPatterns = ASL_TB+46; { Display a Pattern gadget? }
{ Filtering }
ASLFR_DrawersOnly = ASL_TB+47; { Don't display files? }
ASLFR_FilterFunc = ASL_TB+49; { Function to filter files }
ASLFR_RejectIcons = ASL_TB+60; { Display .info files? }
ASLFR_RejectPattern = ASL_TB+61; { Don't display files matching pat }
ASLFR_AcceptPattern = ASL_TB+62; { Accept only files matching pat }
ASLFR_FilterDrawers = ASL_TB+63; { Also filter drawers with patterns}
ASLFR_HookFunc = ASL_TB+7 ; { Combined callback function }
{ Sorting }
ASLFR_SetSortBy = ASL_TB+124; { Sort criteria (name, date, size) }
ASLFR_GetSortBy = ASL_TB+125;
ASLFR_SetSortDrawers = ASL_TB+126; { Placement of drawers in the list }
ASLFR_GetSortDrawers = ASL_TB+127;
ASLFR_SetSortOrder = ASL_TB+128; { Order (ascending or descending) }
ASLFR_GetSortOrder = ASL_TB+129;
{ Flag bits for the ASLFR_Flags1 tag }
FRB_FILTERFUNC = 7;
FRB_INTUIFUNC = 6;
FRB_DOSAVEMODE = 5;
FRB_PRIVATEIDCMP = 4;
FRB_DOMULTISELECT = 3;
FRB_DOPATTERNS = 0;
FRF_FILTERFUNC = 128;
FRF_INTUIFUNC = 64;
FRF_DOSAVEMODE = 32;
FRF_PRIVATEIDCMP = 16;
FRF_DOMULTISELECT = 8;
FRF_DOPATTERNS = 1;
{ Flag bits for the ASLFR_Flags2 tag }
FRB_DRAWERSONLY = 0;
FRB_FILTERDRAWERS = 1;
FRB_REJECTICONS = 2;
FRF_DRAWERSONLY = 1;
FRF_FILTERDRAWERS = 2;
FRF_REJECTICONS = 4;
{ Sort criteria for the ASLFR_SetSortBy/ASLFR_GetSortBy tags }
ASLFRSORTBY_Name = 0;
ASLFRSORTBY_Date = 1;
ASLFRSORTBY_Size = 2;
{ Drawer placement for the ASLFR_SetSortDrawers/ASLFR_GetSortDrawers tags }
ASLFRSORTDRAWERS_First = 0;
ASLFRSORTDRAWERS_Mix = 1;
ASLFRSORTDRAWERS_Last = 2;
{ Sort order for the ASLFR_SetSortOrder/ASLFR_GetSortOrder tags }
ASLFRSORTORDER_Ascend = 0;
ASLFRSORTORDER_Descend = 1;
{****************************************************************************
*
* ASL Font Requester data structures and constants
*
* This structure must only be allocated by asl.library amd is READ-ONLY!
* Control of the various fields is provided via tags when the requester
* is created with AllocAslRequest() and when it is displayed via
* AslRequest()
}
type
pFontRequester = ^tFontRequester;
tFontRequester = record
fo_Reserved0 : Array[0..7] Of Byte;
fo_Attr : tTextAttr; { Returned TextAttr }
fo_FrontPen : Byte; { Returned front pen }
fo_BackPen : Byte; { Returned back pen }
fo_DrawMode : Byte; { Returned drawing mode }
fo_Reserved1 : Byte;
fo_UserData : Pointer; { You can store your own data here }
fo_LeftEdge : smallint; { Coordinates Of requester on Exit }
fo_TopEdge : smallint;
fo_Width : smallint;
fo_Height : smallint;
fo_TAttr : tTTextAttr; { Returned TTextAttr }
end;
{ Font requester tag values, used by AllocAslRequest() AND AslRequest() }
const
{ Window control }
ASLFO_Window = ASL_TB+2 ; { Parent window }
ASLFO_Screen = ASL_TB+40; { Screen to open on if no window }
ASLFO_PubScreenName = ASL_TB+41; { Name of public screen }
ASLFO_PrivateIDCMP = ASL_TB+42; { Allocate private IDCMP? }
ASLFO_IntuiMsgFunc = ASL_TB+70; { Function to handle IntuiMessages }
ASLFO_SleepWindow = ASL_TB+43; { Block input in ASLFO_Window? }
ASLFO_UserData = ASL_TB+52; { What to put in fo_UserData }
ASLFO_PopToFront = ASL_TB+131; { Make the requester window visible
* when it opens (V44)
}
ASLFO_Activate = ASL_TB+132; { Activate the requester window when
* it opens (V45).
}
{ Text display }
ASLFO_TextAttr = ASL_TB+51; { Text font to use for gadget text }
ASLFO_Locale = ASL_TB+50; { Locale ASL should use for text }
ASLFO_TitleText = ASL_TB+1 ; { Title of requester }
ASLFO_PositiveText = ASL_TB+18; { Positive gadget text }
ASLFO_NegativeText = ASL_TB+19; { Negative gadget text }
{ Initial settings }
ASLFO_InitialLeftEdge= ASL_TB+3 ; { Initial requester coordinates }
ASLFO_InitialTopEdge = ASL_TB+4 ;
ASLFO_InitialWidth = ASL_TB+5 ; { Initial requester dimensions }
ASLFO_InitialHeight = ASL_TB+6 ;
ASLFO_InitialName = ASL_TB+10; { Initial contents of Name gadget }
ASLFO_InitialSize = ASL_TB+11; { Initial contents of Size gadget }
ASLFO_InitialStyle = ASL_TB+12; { Initial font style }
ASLFO_InitialFlags = ASL_TB+13; { Initial font flags for TextAttr }
ASLFO_InitialFrontPen= ASL_TB+14; { Initial front pen }
ASLFO_InitialBackPen = ASL_TB+15; { Initial back pen }
ASLFO_InitialDrawMode= ASL_TB+59; { Initial draw mode }
{ Options }
ASLFO_Flags = ASL_TB+20; { Option flags }
ASLFO_DoFrontPen = ASL_TB+44; { Display Front color selector? }
ASLFO_DoBackPen = ASL_TB+45; { Display Back color selector? }
ASLFO_DoStyle = ASL_TB+46; { Display Style checkboxes? }
ASLFO_DoDrawMode = ASL_TB+47; { Display DrawMode cycle gadget? }
ASLFO_SampleText = ASL_TB+133; { Text to display in font sample area (V45) }
{ Filtering }
ASLFO_FixedWidthOnly = ASL_TB+48; { Only allow fixed-width fonts? }
ASLFO_MinHeight = ASL_TB+16; { Minimum font height to display }
ASLFO_MaxHeight = ASL_TB+17; { Maximum font height to display }
ASLFO_FilterFunc = ASL_TB+49; { Function to filter fonts }
ASLFO_HookFunc = ASL_TB+7 ; { Combined callback function }
ASLFO_MaxFrontPen = ASL_TB+66; { Max # of colors in front palette }
ASLFO_MaxBackPen = ASL_TB+67; { Max # of colors in back palette }
{ Custom additions }
ASLFO_ModeList = ASL_TB+21; { Substitute list for drawmodes }
ASLFO_FrontPens = ASL_TB+64; { Color table for front pen palette}
ASLFO_BackPens = ASL_TB+65; { Color table for back pen palette }
{ Flag bits for ASLFO_Flags tag }
FOB_DOFRONTPEN = 0;
FOB_DOBACKPEN = 1;
FOB_DOSTYLE = 2;
FOB_DODRAWMODE = 3;
FOB_FIXEDWIDTHONLY= 4;
FOB_PRIVATEIDCMP = 5;
FOB_INTUIFUNC = 6;
FOB_FILTERFUNC = 7;
FOF_DOFRONTPEN = 1;
FOF_DOBACKPEN = 2;
FOF_DOSTYLE = 4;
FOF_DODRAWMODE = 8;
FOF_FIXEDWIDTHONLY = 16;
FOF_PRIVATEIDCMP = 32;
FOF_INTUIFUNC = 64;
FOF_FILTERFUNC = 128;
{****************************************************************************
*
* ASL Screen Mode Requester data structures and constants
*
* This structure must only be allocated by asl.library and is READ-ONLY!
* Control of the various fields is provided via tags when the requester
* is created with AllocAslRequest() and when it is displayed via
* AslRequest()
}
Type
pScreenModeRequester = ^tScreenModeRequester;
tScreenModeRequester = record
sm_DisplayID : Cardinal; { Display mode ID }
sm_DisplayWidth : Cardinal; { Width Of display IN pixels }
sm_DisplayHeight : Cardinal; { Height Of display IN pixels }
sm_DisplayDepth : word; { Number OF bit-planes OF display }
sm_OverscanType : word; { TYPE OF overscan OF display }
sm_AutoScroll : Boolean; { Display should auto-scroll? }
sm_BitMapWidth : Cardinal; { Used TO create your own BitMap }
sm_BitMapHeight : Cardinal;
sm_LeftEdge : smallint; { Coordinates OF requester on Exit }
sm_TopEdge : smallint;
sm_Width : smallint;
sm_Height : smallint;
sm_InfoOpened : Boolean; { Info window opened on exit? }
sm_InfoLeftEdge : smallint; { Last coordinates OF Info window }
sm_InfoTopEdge : smallint;
sm_InfoWidth : smallint;
sm_InfoHeight : smallint;
sm_UserData : Pointer; { You can store your own data here }
END;
{ An Exec list of custom modes can be added to the list of available modes.
* The DimensionInfo structure must be completely initialized, including the
* Header. See <graphics/displayinfo.h>. Custom mode ID's must be in the range
* $FFFF0000..$FFFFFFFF. Regular properties which apply to your custom modes
* can be added in the dn_PropertyFlags field. Custom properties are not
* allowed.
}
pDisplayMode = ^tDisplayMode;
tDisplayMode = record
dm_Node : tNode; { see ln_Name }
dm_DimensionInfo : tDimensionInfo; { mode description }
dm_PropertyFlags : Cardinal; { applicable properties }
end;
{ ScreenMode requester tag values, used by AllocAslRequest() and AslRequest() }
const
{ Window control }
ASLSM_Window = ASL_TB+2 ; { Parent window }
ASLSM_Screen = ASL_TB+40; { Screen to open on if no window }
ASLSM_PubScreenName = ASL_TB+41; { Name of public screen }
ASLSM_PrivateIDCMP = ASL_TB+42; { Allocate private IDCMP? }
ASLSM_IntuiMsgFunc = ASL_TB+70; { Function to handle IntuiMessages }
ASLSM_SleepWindow = ASL_TB+43; { Block input in ASLSM_Window? }
ASLSM_UserData = ASL_TB+52; { What to put in sm_UserData }
ASLSM_PopToFront = ASL_TB+131; { Make the requester window visible
* when it opens (V44)
}
ASLSM_Activate = ASL_TB+132; { Activate the requester window when
* it opens (V45).
}
{ Text display }
ASLSM_TextAttr = ASL_TB+51; { Text font to use for gadget text }
ASLSM_Locale = ASL_TB+50; { Locale ASL should use for text }
ASLSM_TitleText = ASL_TB+1 ; { Title of requester }
ASLSM_PositiveText = ASL_TB+18; { Positive gadget text }
ASLSM_NegativeText = ASL_TB+19; { Negative gadget text }
{ Initial settings }
ASLSM_InitialLeftEdge = ASL_TB+3 ; { Initial requester coordinates }
ASLSM_InitialTopEdge = ASL_TB+4 ;
ASLSM_InitialWidth = ASL_TB+5 ; { Initial requester dimensions }
ASLSM_InitialHeight = ASL_TB+6 ;
ASLSM_InitialDisplayID = ASL_TB+100; { Initial display mode id }
ASLSM_InitialDisplayWidth = ASL_TB+101; { Initial display width }
ASLSM_InitialDisplayHeight = ASL_TB+102; { Initial display height }
ASLSM_InitialDisplayDepth = ASL_TB+103; { Initial display depth }
ASLSM_InitialOverscanType = ASL_TB+104; { Initial type of overscan }
ASLSM_InitialAutoScroll = ASL_TB+105; { Initial autoscroll setting }
ASLSM_InitialInfoOpened = ASL_TB+106; { Info wndw initially opened? }
ASLSM_InitialInfoLeftEdge = ASL_TB+107; { Initial Info window coords. }
ASLSM_InitialInfoTopEdge = ASL_TB+108;
{ Options }
ASLSM_DoWidth = ASL_TB+109; { Display Width gadget? }
ASLSM_DoHeight = ASL_TB+110; { Display Height gadget? }
ASLSM_DoDepth = ASL_TB+111; { Display Depth gadget? }
ASLSM_DoOverscanType = ASL_TB+112; { Display Overscan Type gadget? }
ASLSM_DoAutoScroll = ASL_TB+113; { Display AutoScroll gadget? }
{ Filtering }
ASLSM_PropertyFlags = ASL_TB+114; { Must have these Property flags }
ASLSM_PropertyMask = ASL_TB+115; { Only these should be looked at }
ASLSM_MinWidth = ASL_TB+116; { Minimum display width to allow }
ASLSM_MaxWidth = ASL_TB+117; { Maximum display width to allow }
ASLSM_MinHeight = ASL_TB+118; { Minimum display height to allow }
ASLSM_MaxHeight = ASL_TB+119; { Maximum display height to allow }
ASLSM_MinDepth = ASL_TB+120; { Minimum display depth }
ASLSM_MaxDepth = ASL_TB+121; { Maximum display depth }
ASLSM_FilterFunc = ASL_TB+122; { Function to filter mode id's }
{ Custom additions }
ASLSM_CustomSMList = ASL_TB+123; { Exec list of struct DisplayMode }
{***************************************************************************}
ASL_LAST_TAG = ASL_TB+133;
{***************************************************************************}
{ This defines the rendezvous data for setting and querying asl.library's
* defaults for the window size and the file requester sort order. The name
* of the semaphore is given below; it exists only with asl.library V45 and
* IPrefs V45 and beyond.
}
ASL_SEMAPHORE_NAME : Pchar = 'asl.library';
type
PAslSemaphore = ^tAslSemaphore;
tAslSemaphore = record
as_Semaphore : tSignalSemaphore;
as_Version : Word; { Must be >= 45 }
as_Size : Cardinal; { Size of this data structure. }
as_SortBy : Byte; { File requester defaults; name, date or size }
as_SortDrawers : Byte; { File requester defaults; first, mix or last }
as_SortOrder : Byte; { File requester defaults; ascending or descending }
as_SizePosition : Byte; { See below }
as_RelativeLeft : WORD; { Window position offset }
as_RelativeTop : WORD;
as_RelativeWidth : Byte; { Window size factor; this is
* a percentage of the parent
* window/screen width.
}
as_RelativeHeight : Byte;
end;
const
{ Default position of the ASL window. }
ASLPOS_DefaultPosition = 0; { Position is calculated according to the builtin rules. }
ASLPOS_CenterWindow = 1; { Centred within the bounds of the parent window. }
ASLPOS_CenterScreen = 2; { Centred within the bounds of the parent screen. }
ASLPOS_WindowPosition = 3; { Relative to the top left corner of the parent window,
* using the offset values provided in the
* as_RelativeLeft/as_RelativeTop members.
}
ASLPOS_ScreenPosition = 4; { Relative to the top left corner of the parent screen,
* using the offset values provided in the
* as_RelativeLeft/as_RelativeTop members.
}
ASLPOS_CenterMouse = 5; { Directly below the mouse pointer. }
ASLPOS_MASK = $0F;
{ Default size of the ASL window. }
ASLSIZE_DefaultSize = (0 shl 4); { Size is calculated according to the builtin rules. }
ASLSIZE_RelativeSize = (1 shl 4); { Size is relative to the size of the parent
* window or screen, using the values provided in
* the as_RelativeWidth/as_RelativeHeight members.
* The as_RelativeWidth/as_RelativeHeight values are
* taken as percentage, i.e. a value of "50" stands for
* 50% of the width/height of the parent window/screen.
}
ASLSIZE_MASK = $30;
{ Other options. }
ASLOPTION_ASLOverrides = (1 shl 6); { ASL determines placement and size of requester
* windows; application's choice is ignored.
}
{****************************************************************************
*
* Obsolete ASL definitions, here for source code compatibility only.
* Please do NOT use in new code.
*
* define ASL_V38_NAMES_ONLY to remove these older names
}
{$define ASL_V38_NAMES_ONLY}
{$ifndef ASL_V38_NAMES_ONLY}
const
ASL_Dummy = (TAG_USER + $80000);
ASL_Hail = ASL_Dummy+1 ;
ASL_Window = ASL_Dummy+2 ;
ASL_LeftEdge = ASL_Dummy+3 ;
ASL_TopEdge = ASL_Dummy+4 ;
ASL_Width = ASL_Dummy+5 ;
ASL_Height = ASL_Dummy+6 ;
ASL_HookFunc = ASL_Dummy+7 ;
ASL_File = ASL_Dummy+8 ;
ASL_Dir = ASL_Dummy+9 ;
ASL_FontName = ASL_Dummy+10;
ASL_FontHeight = ASL_Dummy+11;
ASL_FontStyles = ASL_Dummy+12;
ASL_FontFlags = ASL_Dummy+13;
ASL_FrontPen = ASL_Dummy+14;
ASL_BackPen = ASL_Dummy+15;
ASL_MinHeight = ASL_Dummy+16;
ASL_MaxHeight = ASL_Dummy+17;
ASL_OKText = ASL_Dummy+18;
ASL_CancelText = ASL_Dummy+19;
ASL_FuncFlags = ASL_Dummy+20;
ASL_ModeList = ASL_Dummy+21;
ASL_ExtFlags1 = ASL_Dummy+22;
ASL_Pattern = ASL_FontName;
{ remember what I said up there? Do not use these anymore! }
FILB_DOWILDFUNC = 7;
FILB_DOMSGFUNC = 6;
FILB_SAVE = 5;
FILB_NEWIDCMP = 4;
FILB_MULTISELECT = 3;
FILB_PATGAD = 0;
FILF_DOWILDFUNC = 128;
FILF_DOMSGFUNC = 64;
FILF_SAVE = 32;
FILF_NEWIDCMP = 16;
FILF_MULTISELECT = 8;
FILF_PATGAD = 1;
FIL1B_NOFILES = 0;
FIL1B_MATCHDIRS = 1;
FIL1F_NOFILES = 1;
FIL1F_MATCHDIRS = 2;
FONB_FRONTCOLOR = 0;
FONB_BACKCOLOR = 1;
FONB_STYLES = 2;
FONB_DRAWMODE = 3;
FONB_FIXEDWIDTH = 4;
FONB_NEWIDCMP = 5;
FONB_DOMSGFUNC = 6;
FONB_DOWILDFUNC = 7;
FONF_FRONTCOLOR = 1;
FONF_BACKCOLOR = 2;
FONF_STYLES = 4;
FONF_DRAWMODE = 8;
FONF_FIXEDWIDTH = 16;
FONF_NEWIDCMP = 32;
FONF_DOMSGFUNC = 64;
FONF_DOWILDFUNC = 128;
{$endif ASL_V38_NAMES_ONLY}
var
AslBase : pLibrary;
function AllocFileRequest : pFileRequester;
SysCall AslBase 030;
procedure FreeFileRequest(fileReq : pFileRequester location 'a0');
SysCall AslBase 036;
function RequestFile(fileReq : pFileRequester location 'a0'): LongBool;
SysCall AslBase 042;
function AllocAslRequest(reqType: Cardinal location 'd0';
tagList: pTagItem location 'a0'): Pointer;
SysCall AslBase 048;
procedure FreeAslRequest(requester: Pointer location 'a0');
SysCall AslBase 054;
function AslRequest(requester: Pointer location 'a0';
tagList : pTagItem location 'a1'): LongBool;
SysCall AslBase 060;
procedure AbortAslRequest(requester: Pointer location 'a0');
SysCall AslBase 078;
procedure ActivateAslRequest(requester : Pointer location 'a0');
SysCall AslBase 084;
function AllocAslRequestTags(reqType: Cardinal;
tagList: array of DWord): Pointer; Inline;
function AslRequestTags(requester: Pointer;
tagList : array of DWord): LongBool; Inline;
function InitAslLibrary : boolean;
implementation
function AllocAslRequestTags(reqType: Cardinal;
tagList: array of DWord): Pointer; Inline;
begin
AllocAslRequestTags:=AllocAslRequest(reqType,@tagList);
end;
function AslRequestTags(requester: Pointer;
tagList : array of DWord): LongBool; Inline;
begin
AslRequestTags:=AslRequest(requester,@tagList);
end;
const
{ Change VERSION and LIBVERSION to proper values }
VERSION : string[2] = '0';
LIBVERSION : longword = 0;
var
asl_exit: Pointer;
procedure CloseAslLibrary;
begin
ExitProc := asl_exit;
if AslBase <> nil then begin
CloseLibrary(PLibrary(AslBase));
AslBase := nil;
end;
end;
function InitAslLibrary : boolean;
begin
AslBase := nil;
AslBase := OpenLibrary(ASLNAME,LIBVERSION);
if AslBase <> nil then begin
asl_exit := ExitProc;
ExitProc := @CloseAslLibrary;
InitAslLibrary:=True;
end else begin
InitAslLibrary:=False;
end;
end;
end. (* UNIT ASL *)