(* Release 3.10 *)
(*-------------------------------------------------------------------------*
*                                                                          *
*  CWINDOW.DEF - Modula-2 interface to WINDOW.H                               *
*                                                                          *
*  COPYRIGHT (C) 1989..1992 Clarion Software Corporation.                  *
*  All Rights Reserved                                                     *
*                                                                          *
*--------------------------------------------------------------------------*)

(*# project("#set tsc='on'") *)
(*# project("#set cwindow='jpi'") *)
(*# call(o_a_size=>off, o_a_copy=>off, c_conv=>on, result_optional=>on) *)
(*# module(implementation=>off, init_code=>off) *)
(*# name(prefix=>c) *)


DEFINITION MODULE cwindow;

CONST
    TRUE = 1;
    FALSE = 0;
    SCREENWIDTH = 80;
    SCREENDEPTH = 25;
    PALETTESIZE = 10;
    PALETTEMAX = PALETTESIZE;
    SINGLEFRAME = 'ÚÄ¿³³ÀÄÙ';
    DOUBLEFRAME = 'ÉÍ»ººÈͼ';

TYPE
    wintype = POINTER TO WDS;
    relcoord = CARDINAL;
    abscoord = CARDINAL;
    Color = (Black,Blue,Green,Cyan,Red,Magenta,Brown,LightGray,
             DarkGray,LightBlue,LightGreen,LightCyan,LightRed,LightMagenta,
             LightYellow,White);
    titlestr = ARRAY[0..SCREENWIDTH-1] OF CHAR;
    framestr = ARRAY[0..8] OF CHAR;
    windef = RECORD
                 X1,Y1,X2,Y2: abscoord;         (* outer coords of opposite corners *)
                 ForeGround,BackGround: Color;  (* not used if palette *)
                 CursorOn,                      (* if cursor active *)
                 WrapOn,                        (* if EOL wrap enabled *)
                 Hidden,                        (* if window on view *)
                 FrameOn: BOOLEAN;              (* if frame *)
                 FrameDef: framestr;            (* only used if frame *)
                 FrameFore,FrameBack: Color;    (* only used if frame *)
             END;
    TitleMode = (NoTitle,
                 LeftUpperTitle,CenterUpperTitle,RightUpperTitle,
                 LeftLowerTitle,CenterLowerTitle,RightLowerTitle);

VAR
    fullscreendef: windef;
    _fullscreen: wintype;

PROCEDURE windowopen(VAR WD: windef): wintype;
PROCEDURE settitle(_win: wintype; _NewTitle: ARRAY OF CHAR; _Mode: TitleMode);
PROCEDURE setframe(_win: wintype; _Frame: framestr; _Fore,_Back: Color);
PROCEDURE use(_win: wintype);
PROCEDURE putontop(_win: wintype);
PROCEDURE putbeneath(_win,_WA: wintype);
PROCEDURE hide(_win: wintype);
PROCEDURE change(_win: wintype; _X1,_Y1,_X2,_Y2: abscoord);
PROCEDURE snapshot;
PROCEDURE windowclose(_win: wintype);
PROCEDURE used(): wintype;
PROCEDURE top(): wintype;
PROCEDURE obscuredat(_win: wintype; _X,_Y: relcoord): INTEGER;
PROCEDURE at(_X,_Y: abscoord): wintype;
PROCEDURE gotoxy(_X,_Y: relcoord);
PROCEDURE wherex(): relcoord;
PROCEDURE wherey(): relcoord;
PROCEDURE convertcoords(_win: wintype; _X,_Y: relcoord; VAR XO,YO: abscoord);
PROCEDURE clrscr;
PROCEDURE cursoron;
PROCEDURE cursoroff;
PROCEDURE inline;
PROCEDURE delline;
PROCEDURE clreol;
PROCEDURE textcolor(_c: Color);
PROCEDURE textbackgroun(_c: Color);
PROCEDURE _directwrite(_X,_Y: relcoord; _A: ADDRESS; _len: CARDINAL);
PROCEDURE setwrap(_on: INTEGER);
PROCEDURE info(_win: wintype; VAR _WD: windef);
PROCEDURE _rdbufferln(_win: wintype; _X,_Y: relcoord; _Dest: ADDRESS; _Len: CARDINAL);
PROCEDURE _wrbufferln(_win: wintype; _X,_Y: relcoord; _src: ADDRESS; _Len: CARDINAL);

TYPE
    PaletteColorDef = RECORD
                          Fore,Back: Color;
                      END;
    PaletteDef = ARRAY[0..PALETTEMAX-1] OF PaletteColorDef;

CONST
    NORMALPALETTECOLOR = 0;
    FRAMEPALETTECOLOR = 1;

PROCEDURE paletteopen(VAR WD: windef; _Pal: PaletteDef): wintype;
PROCEDURE setpalette(_win: wintype; _Pal: PaletteDef);
PROCEDURE palettecolor(): CARDINAL;
PROCEDURE setpalettecolor(_c: CARDINAL);
PROCEDURE palettecolorused(_win: wintype; _pc: CARDINAL): INTEGER;

TYPE
    bufferptr = POINTER TO CARDINAL;
    WinDescriptor = RECORD
                        Guard: CARDINAL;
                        Next,
                        CursorChain: wintype;
                        WDef: windef;
                        XA,YA,XB,YB: abscoord;
                        OWidth,ODepth: CARDINAL;
                        Width,Depth: CARDINAL;
                        Title: ADDRESS;
                        CurrentX,CurrentY: relcoord;
                        IsPalette: BOOLEAN;
                        PalAttr: ARRAY[0..PALETTEMAX-1] OF SHORTCARD;
                        CurPalColor: CARDINAL;
                        Buffer: bufferptr;
                        UserRecord: ADDRESS;
                    END;

END cwindow.