IMPLEMENTATION MODULE ScreenDisplay;
(*
 *  REPERTOIRE
 *  Release 1.6
 *  By Charles Bradford and Cole Brecheen
 *  (c) Copyright 1985-1992 PMI
 *  Green Bay, Wisconsin
 *  All rights reserved
 *  (414) 468-6040
 *
 *  $Header:   D:/logfiles/mods/screendi.mov   1.5   10 Mar 1991 15:31:48   coleb  $
 *
 *)



IMPORT DspFiles;
IMPORT ErrorManager;
IMPORT FramePainter;
IMPORT M2Strings;
IMPORT ScrnTypes;
IMPORT ScrnUtl2;
IMPORT StrConv;
IMPORT StrEdit;

VAR
  Initialized : BOOLEAN;

  PROCEDURE Init();
    BEGIN
      IF Initialized THEN
        RETURN;
      ELSE
        Initialized := TRUE;
      END;
      DspFiles.Init();
      ErrorManager.Init();
      FramePainter.Init();
      M2Strings.Init();
      ScrnTypes.Init();
      ScrnUtl2.Init();
      StrConv.Init();
      StrEdit.Init();
    END Init;

  PROCEDURE CloseDisplayFile(VAR dfile : ScrnTypes.DisplayFile);
    BEGIN
      DspFiles.CloseDisplayFile( dfile );
    END CloseDisplayFile;

  PROCEDURE OpenDisplayFile(VAR dfile : ScrnTypes.DisplayFile;
      fname : ARRAY OF CHAR);
    VAR
      tmp: ARRAY [0..79] OF CHAR;
    BEGIN
      IF NOT DspFiles.OpenDisplayFile( dfile, fname ) THEN
        M2Strings.Assign( fname, tmp );
        StrEdit.Append( tmp, ' not found' );
        ErrorManager.WARN(tmp);
      END;
    END OpenDisplayFile;

  PROCEDURE ReadDisplayFrame(VAR dfile : ScrnTypes.DisplayFile;
      VAR FrameRec : ScrnTypes.DisplayFrame; FrameNum : ScrnTypes.FrameKey);
    VAR
      FrameName: ScrnTypes.AFrameName;
    BEGIN
      StrConv.IntegerToStr( FrameNum, 0, FrameName );
      DspFiles.ReadDisplayFrame( dfile, FrameRec, FrameName );
    END ReadDisplayFrame;

  PROCEDURE ReadFrame(VAR dfile : ScrnTypes.DisplayFile;
      VAR FrameRec : ScrnTypes.DisplayFrame; FrameNum : ScrnTypes.FrameKey);
    VAR
      FrameName: ScrnTypes.AFrameName;
    BEGIN
      StrConv.IntegerToStr( FrameNum, 0, FrameName );
      DspFiles.ReadFrame( dfile, FrameRec, FrameName );
    END ReadFrame;

  PROCEDURE ShowDisplayFrame(VAR FrameRec :
      ScrnTypes.DisplayFrame; Col1, Row1, ColX, RowX : CARDINAL);
    BEGIN
      FramePainter.ShowDisplayFrame( FrameRec, Col1, Row1, ColX,
          RowX );
    END ShowDisplayFrame;

  PROCEDURE WriteToFrame( FrameRec: ScrnTypes.DisplayFrame; col,
      row: CARDINAL; text: ARRAY OF CHAR );
    BEGIN
      ScrnUtl2.WriteToFrame( FrameRec, col, row, text );
    END WriteToFrame;

  PROCEDURE Display( FrameNum : ScrnTypes.FrameKey );
    VAR
      FrameName: ScrnTypes.AFrameName;
    BEGIN
      StrConv.IntegerToStr( FrameNum, 0, FrameName );
      ScrnUtl2.Display( DspFiles.MainFrame, FrameName );
    END Display;

  PROCEDURE CloseDisplayFrame(VAR FrameRec :
      ScrnTypes.DisplayFrame);
    BEGIN
      ScrnUtl2.CloseDisplayFrame( FrameRec );
    END CloseDisplayFrame;

  PROCEDURE PushFrame(VAR FrameRec : ScrnTypes.DisplayFrame);
    BEGIN
      ScrnUtl2.PushFrame( FrameRec );
    END PushFrame;

  PROCEDURE PopFrame(VAR FrameRec : ScrnTypes.DisplayFrame);
    BEGIN
      ScrnUtl2.PopFrame( FrameRec );
    END PopFrame;

  PROCEDURE PopZapFrame(VAR FrameRec : ScrnTypes.DisplayFrame);
    BEGIN
      ScrnUtl2.PopZapFrame( FrameRec );
    END PopZapFrame;

  PROCEDURE ClearFrameStack(VAR FrameRec :
      ScrnTypes.DisplayFrame);
    BEGIN
      ScrnUtl2.ClearFrameStack( FrameRec );
    END ClearFrameStack;

  PROCEDURE RedrawArea( TheFrame: ScrnTypes.DisplayFrame; col1,
      row1, col2, row2: CARDINAL );
    BEGIN
      FramePainter.RedrawArea( TheFrame, col1, row1, col2, row2 );
    END RedrawArea;


BEGIN
  Initialized := FALSE;
  Init();
END ScreenDisplay.