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winlistb.def
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1994-05-03
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DEFINITION MODULE WINLISTBOXES;
(************************************************************************
OS/2 2.0 interface for Presentation Manager List box controls.
Copyright (c) 1992 by Juergen Neuhoff
*************************************************************************)
(*$XL+ Modula-2 language extensions: '_' allowed for symbol names *)
(*$CDECL+ C-style procedures *)
(*$A default alignment for record fields *)
FROM OS2DEF IMPORT HWND;
CONST (* List box styles *)
LS_MULTIPLESEL = 00000001H;
LS_OWNERDRAW = 00000002H;
LS_NOADJUSTPOS = 00000004H;
LS_HORZSCROLL = 00000008H;
LS_EXTENDEDSEL = 00000010H;
CONST (* List box notification messages *)
LN_SELECT = 1;
LN_SETFOCUS = 2;
LN_KILLFOCUS = 3;
LN_SCROLL = 4;
LN_ENTER = 5;
CONST (* List box messages *)
LM_QUERYITEMCOUNT = 0160H;
LM_INSERTITEM = 0161H;
LM_SETTOPINDEX = 0162H;
LM_DELETEITEM = 0163H;
LM_SELECTITEM = 0164H;
LM_QUERYSELECTION = 0165H;
LM_SETITEMTEXT = 0166H;
LM_QUERYITEMTEXTLENGTH = 0167H;
LM_QUERYITEMTEXT = 0168H;
LM_SETITEMHANDLE = 0169H;
LM_QUERYITEMHANDLE = 016AH;
LM_SEARCHSTRING = 016BH;
LM_SETITEMHEIGHT = 016CH;
LM_QUERYTOPINDEX = 016DH;
LM_DELETEALL = 016EH;
CONST (* List box constants *)
LIT_CURSOR = -4;
LIT_ERROR = -3;
LIT_MEMERROR = -2;
LIT_NONE = -1;
LIT_FIRST = -1;
CONST (* for LM_INSERTITEM msg *)
LIT_END = -1;
LIT_SORTASCENDING = -2;
LIT_SORTDESCENDING = -3;
CONST (* for LM_SEARCHSTRING msg *)
LSS_SUBSTRING = 0001H;
LSS_PREFIX = 0002H;
LSS_CASESENSITIVE = 0004H;
(***************************************************************************
* WinDeleteLboxItem() deletes an item index from the listbox,
* returning the number of items left.
***************************************************************************)
PROCEDURE WinDeleteLboxItem
( ListBoxWinHandle : HWND;
Index : LONGINT
) : LONGINT;
(***************************************************************************
* WinInsertLboxItem() inserts psz into a listbox at index.
* Index may be an LIT_ constant.
* Returns the actual index where it was inserted.
***************************************************************************)
PROCEDURE WinInsertLboxItem
( ListBoxWinHandle : HWND;
Index : LONGINT;
Text : ARRAY OF CHAR
) : LONGINT;
(***************************************************************************
* WinQueryLboxCount() returns the number of items in the listbox.
***************************************************************************)
PROCEDURE WinQueryLboxCount
( ListBoxWinHandle : HWND
) : LONGINT;
(***************************************************************************
* WinQueryLboxItemText() fills 'Text' with the text if item index and
* returns the text length copied.
***************************************************************************)
PROCEDURE WinQueryLboxItemText
( ListBoxWinHandle : HWND;
Index : LONGINT;
VAR Text : ARRAY OF CHAR;
TextMax : LONGINT
) : LONGINT;
(***************************************************************************
* WinQueryLboxItemTextLength() returns the length of item index.
***************************************************************************)
PROCEDURE WinQueryLboxItemTextLength
( ListBoxWinHandle : HWND;
Index : LONGINT
) : INTEGER;
(***************************************************************************
* WinSetLboxItemText() sets the text of item index to psz.
* returns fSuccess.
***************************************************************************)
PROCEDURE WinSetLboxItemText
( ListBoxWinHandle : HWND;
Index : LONGINT;
Text : ARRAY OF CHAR
) : BOOLEAN;
(***************************************************************************
* WinQueryLboxSelectedItem() returns the item index selected.
* (for single selection only)
***************************************************************************)
PROCEDURE WinQueryLboxSelectedItem
( ListBoxWinHandle : HWND
) : LONGINT;
END WINLISTBOXES.